From b7af349b175af45f9d87b3bf3f0a221e1831ed39 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Fri, 21 Nov 2008 13:39:45 -0800 Subject: i2c-omap: Do not use interruptible wait call in omap_i2c_xfer_msg If there is a signal pending and wait_for_completion_interruptible_timeout terminates with -ERESTARTSYS, we return and disable the i2c clocks in omap_i2c_xfer. If we terminate before sending last i2c message with a stop condition, the bus remains busy and we are not able to send new messages into bus with successive omap_i2c_xfer calls. Therefore a pending signal is not caught here and we return only because of timeout or i2c error. Signed-off-by: Jarkko Nikula Signed-off-by: Juha Yrjola Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 608038d..17476ec 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -328,8 +328,12 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, w |= OMAP_I2C_CON_STP; omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); - r = wait_for_completion_interruptible_timeout(&dev->cmd_complete, - OMAP_I2C_TIMEOUT); + /* + * REVISIT: We should abort the transfer on signals, but the bus goes + * into arbitration and we're currently unable to recover from it. + */ + r = wait_for_completion_timeout(&dev->cmd_complete, + OMAP_I2C_TIMEOUT); dev->buf_len = 0; if (r < 0) return r; -- cgit v0.10.2 From 0cbbcffdf5f30ef60d918549014684eada4f5b3f Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:45 -0800 Subject: i2c-omap: Close suspected race between omap_i2c_idle() and omap_i2c_isr() omap_i2c_idle() sets an internal flag, "dev->idle", instructing its ISR to decline interrupts. It sets this flag before it actually masks the interrupts on the I2C controller. This is problematic, since an I2C interrupt could arrive after dev->idle is set, but before the interrupt source is masked. When this happens, Linux disables the I2C controller's IRQ, causing all future transactions on the bus to fail. Symptoms, happening on about 7% of boots: irq 56: nobody cared (try booting with the "irqpoll" option) Disabling IRQ #56 i2c_omap i2c_omap.1: controller timed out In omap_i2c_idle(), this patch sets dev->idle only after the interrupt mask write to the I2C controller has left the ARM write buffer. That's probably the major offender. For additional prophylaxis, in omap_i2c_unidle(), the patch clears the dev->idle flag before interrupts are enabled, rather than afterwards. The patch has survived twenty-two reboots on the 3430SDP here without wedging I2C1. Not absolutely dispositive, but promising! Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 17476ec..5ca0e00 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -181,22 +181,26 @@ static void omap_i2c_unidle(struct omap_i2c_dev *dev) if (dev->iclk != NULL) clk_enable(dev->iclk); clk_enable(dev->fclk); + dev->idle = 0; if (dev->iestate) omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate); - dev->idle = 0; } static void omap_i2c_idle(struct omap_i2c_dev *dev) { u16 iv; - dev->idle = 1; dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); - if (dev->rev1) + if (dev->rev1) { iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ - else + } else { omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); + + /* Flush posted write before the dev->idle store occurs */ + omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG); + } + dev->idle = 1; clk_disable(dev->fclk); if (dev->iclk != NULL) clk_disable(dev->iclk); -- cgit v0.10.2 From 4574eb6892a13bc91aac8676457d46798935d653 Mon Sep 17 00:00:00 2001 From: Syed Mohammed Khasim Date: Fri, 21 Nov 2008 13:39:45 -0800 Subject: i2c-omap: Add high-speed support to omap-i2c Omap2430 has additional support for high-speed I2C. This patch moves I2C speed parameter (from module) to platform data. Also added basic High Speed support based on I2C bus speed. This patch is tested for high speed I2C (with TWL4030 Keypad) and works as expected. Also change the 2430 i2chs_fck names to use the standard naming. Cc: Russell King Signed-off-by: Syed Mohammed Khasim Signed-off-by: Tony Lindgren diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index 242a19d..e5fc5bf 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -2321,7 +2321,7 @@ static struct clk i2c2_fck = { }; static struct clk i2chs2_fck = { - .name = "i2chs_fck", + .name = "i2c_fck", .id = 2, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, @@ -2354,7 +2354,7 @@ static struct clk i2c1_fck = { }; static struct clk i2chs1_fck = { - .name = "i2chs_fck", + .name = "i2c_fck", .id = 1, .parent = &func_96m_ck, .flags = CLOCK_IN_OMAP243X, diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 5ca0e00..b0aa0f8 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -83,6 +83,7 @@ /* I2C Configuration Register (OMAP_I2C_CON): */ #define OMAP_I2C_CON_EN (1 << 15) /* I2C module enable */ #define OMAP_I2C_CON_BE (1 << 14) /* Big endian mode */ +#define OMAP_I2C_CON_OPMODE (1 << 12) /* High Speed support */ #define OMAP_I2C_CON_STB (1 << 11) /* Start byte mode (master) */ #define OMAP_I2C_CON_MST (1 << 10) /* Master/slave mode */ #define OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */ @@ -91,6 +92,10 @@ #define OMAP_I2C_CON_STP (1 << 1) /* Stop cond (master only) */ #define OMAP_I2C_CON_STT (1 << 0) /* Start condition (master) */ +/* I2C SCL time value when Master */ +#define OMAP_I2C_SCLL_HSSCLL 8 +#define OMAP_I2C_SCLH_HSSCLH 8 + /* I2C System Test Register (OMAP_I2C_SYSTEST): */ #ifdef DEBUG #define OMAP_I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ @@ -109,12 +114,6 @@ /* I2C System Configuration Register (OMAP_I2C_SYSC): */ #define OMAP_I2C_SYSC_SRST (1 << 1) /* Soft Reset */ -/* REVISIT: Use platform_data instead of module parameters */ -/* Fast Mode = 400 kHz, Standard = 100 kHz */ -static int clock = 100; /* Default: 100 kHz */ -module_param(clock, int, 0); -MODULE_PARM_DESC(clock, "Set I2C clock in kHz: 400=fast mode (default == 100)"); - struct omap_i2c_dev { struct device *dev; void __iomem *base; /* virtual */ @@ -123,6 +122,7 @@ struct omap_i2c_dev { struct clk *fclk; /* Functional clock */ struct completion cmd_complete; struct resource *ioarea; + u32 speed; /* Speed of bus in Khz */ u16 cmd_err; u8 *buf; size_t buf_len; @@ -208,9 +208,11 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) static int omap_i2c_init(struct omap_i2c_dev *dev) { - u16 psc = 0; + u16 psc = 0, scll = 0, sclh = 0; + u16 fsscll = 0, fssclh = 0, hsscll = 0, hssclh = 0; unsigned long fclk_rate = 12000000; unsigned long timeout; + unsigned long internal_clk = 0; if (!dev->rev1) { omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, OMAP_I2C_SYSC_SRST); @@ -253,18 +255,47 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) psc = fclk_rate / 12000000; } + if (cpu_is_omap2430()) { + + /* HSI2C controller internal clk rate should be 19.2 Mhz */ + internal_clk = 19200; + fclk_rate = clk_get_rate(dev->fclk) / 1000; + + /* Compute prescaler divisor */ + psc = fclk_rate / internal_clk; + psc = psc - 1; + + /* If configured for High Speed */ + if (dev->speed > 400) { + /* For first phase of HS mode */ + fsscll = internal_clk / (400 * 2) - 6; + fssclh = internal_clk / (400 * 2) - 6; + + /* For second phase of HS mode */ + hsscll = fclk_rate / (dev->speed * 2) - 6; + hssclh = fclk_rate / (dev->speed * 2) - 6; + } else { + /* To handle F/S modes */ + fsscll = internal_clk / (dev->speed * 2) - 6; + fssclh = internal_clk / (dev->speed * 2) - 6; + } + scll = (hsscll << OMAP_I2C_SCLL_HSSCLL) | fsscll; + sclh = (hssclh << OMAP_I2C_SCLH_HSSCLH) | fssclh; + } else { + /* Program desired operating rate */ + fclk_rate /= (psc + 1) * 1000; + if (psc > 2) + psc = 2; + scll = fclk_rate / (dev->speed * 2) - 7 + psc; + sclh = fclk_rate / (dev->speed * 2) - 7 + psc; + } + /* Setup clock prescaler to obtain approx 12MHz I2C module clock: */ omap_i2c_write_reg(dev, OMAP_I2C_PSC_REG, psc); - /* Program desired operating rate */ - fclk_rate /= (psc + 1) * 1000; - if (psc > 2) - psc = 2; - - omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, - fclk_rate / (clock * 2) - 7 + psc); - omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, - fclk_rate / (clock * 2) - 7 + psc); + /* SCL low and high time values */ + omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, scll); + omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, sclh); /* Take the I2C module out of reset: */ omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); @@ -324,6 +355,11 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, dev->cmd_err = 0; w = OMAP_I2C_CON_EN | OMAP_I2C_CON_MST | OMAP_I2C_CON_STT; + + /* High speed configuration */ + if (dev->speed > 400) + w |= OMAP_I2C_CON_OPMODE; + if (msg->flags & I2C_M_TEN) w |= OMAP_I2C_CON_XA; if (!(msg->flags & I2C_M_RD)) @@ -564,6 +600,7 @@ omap_i2c_probe(struct platform_device *pdev) struct i2c_adapter *adap; struct resource *mem, *irq, *ioarea; int r; + u32 *speed = NULL; /* NOTE: driver uses the static register mapping */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -584,17 +621,18 @@ omap_i2c_probe(struct platform_device *pdev) return -EBUSY; } - if (clock > 200) - clock = 400; /* Fast mode */ - else - clock = 100; /* Standard mode */ - dev = kzalloc(sizeof(struct omap_i2c_dev), GFP_KERNEL); if (!dev) { r = -ENOMEM; goto err_release_region; } + if (pdev->dev.platform_data != NULL) + speed = (u32 *) pdev->dev.platform_data; + else + *speed = 100; /* Defualt speed */ + + dev->speed = *speed; dev->dev = &pdev->dev; dev->irq = irq->start; dev->base = ioremap(mem->start, mem->end - mem->start + 1); @@ -625,7 +663,7 @@ omap_i2c_probe(struct platform_device *pdev) } r = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff; dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n", - pdev->id, r >> 4, r & 0xf, clock); + pdev->id, r >> 4, r & 0xf, dev->speed); adap = &dev->adapter; i2c_set_adapdata(adap, dev); -- cgit v0.10.2 From b6ee52c39999b2f3bcd9e26f0edf1f07599cf40e Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Fri, 21 Nov 2008 13:39:46 -0800 Subject: i2c-omap: FIFO handling support and broken hw workaround for i2c-omap Based on an earlier patch from Nishant Menon: - Transfers can use FIFO on FIFO capable devices - Prevents errors for HSI2C if FIFO is not used - Implemented errenous handling of STT-STP handling on SDP2430 Also merged in is a fix from Jaron Marini to fix occasional i2c hang if OMAP_I2C_CON_STT remains asserted. Signed-off-by: Jason P Marini Signed-off-by: Nishanth Menon Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b0aa0f8..9ae4b74 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -55,8 +55,11 @@ #define OMAP_I2C_SCLL_REG 0x34 #define OMAP_I2C_SCLH_REG 0x38 #define OMAP_I2C_SYSTEST_REG 0x3c +#define OMAP_I2C_BUFSTAT_REG 0x40 /* I2C Interrupt Enable Register (OMAP_I2C_IE): */ +#define OMAP_I2C_IE_XDR (1 << 14) /* TX Buffer drain int enable */ +#define OMAP_I2C_IE_RDR (1 << 13) /* RX Buffer drain int enable */ #define OMAP_I2C_IE_XRDY (1 << 4) /* TX data ready int enable */ #define OMAP_I2C_IE_RRDY (1 << 3) /* RX data ready int enable */ #define OMAP_I2C_IE_ARDY (1 << 2) /* Access ready int enable */ @@ -64,7 +67,8 @@ #define OMAP_I2C_IE_AL (1 << 0) /* Arbitration lost int ena */ /* I2C Status Register (OMAP_I2C_STAT): */ -#define OMAP_I2C_STAT_SBD (1 << 15) /* Single byte data */ +#define OMAP_I2C_STAT_XDR (1 << 14) /* TX Buffer draining */ +#define OMAP_I2C_STAT_RDR (1 << 13) /* RX Buffer draining */ #define OMAP_I2C_STAT_BB (1 << 12) /* Bus busy */ #define OMAP_I2C_STAT_ROVR (1 << 11) /* Receive overrun */ #define OMAP_I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ @@ -78,12 +82,14 @@ /* I2C Buffer Configuration Register (OMAP_I2C_BUF): */ #define OMAP_I2C_BUF_RDMA_EN (1 << 15) /* RX DMA channel enable */ +#define OMAP_I2C_BUF_RXFIF_CLR (1 << 14) /* RX FIFO Clear */ #define OMAP_I2C_BUF_XDMA_EN (1 << 7) /* TX DMA channel enable */ +#define OMAP_I2C_BUF_TXFIF_CLR (1 << 6) /* TX FIFO Clear */ /* I2C Configuration Register (OMAP_I2C_CON): */ #define OMAP_I2C_CON_EN (1 << 15) /* I2C module enable */ #define OMAP_I2C_CON_BE (1 << 14) /* Big endian mode */ -#define OMAP_I2C_CON_OPMODE (1 << 12) /* High Speed support */ +#define OMAP_I2C_CON_OPMODE_HS (1 << 12) /* High Speed support */ #define OMAP_I2C_CON_STB (1 << 11) /* Start byte mode (master) */ #define OMAP_I2C_CON_MST (1 << 10) /* Master/slave mode */ #define OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */ @@ -127,7 +133,12 @@ struct omap_i2c_dev { u8 *buf; size_t buf_len; struct i2c_adapter adapter; + u8 fifo_size; /* use as flag and value + * fifo_size==0 implies no fifo + * if set, should be trsh+1 + */ unsigned rev1:1; + unsigned b_hw:1; /* bad h/w fixes */ unsigned idle:1; u16 iestate; /* Saved interrupt register */ }; @@ -297,6 +308,14 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) omap_i2c_write_reg(dev, OMAP_I2C_SCLL_REG, scll); omap_i2c_write_reg(dev, OMAP_I2C_SCLH_REG, sclh); + if (dev->fifo_size) + /* Note: setup required fifo size - 1 */ + omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, + (dev->fifo_size - 1) << 8 | /* RTRSH */ + OMAP_I2C_BUF_RXFIF_CLR | + (dev->fifo_size - 1) | /* XTRSH */ + OMAP_I2C_BUF_TXFIF_CLR); + /* Take the I2C module out of reset: */ omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); @@ -304,7 +323,8 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY | OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK | - OMAP_I2C_IE_AL)); + OMAP_I2C_IE_AL) | ((dev->fifo_size) ? + (OMAP_I2C_IE_RDR | OMAP_I2C_IE_XDR) : 0)); return 0; } @@ -351,6 +371,11 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len); + /* Clear the FIFO Buffers */ + w = omap_i2c_read_reg(dev, OMAP_I2C_BUF_REG); + w |= OMAP_I2C_BUF_RXFIF_CLR | OMAP_I2C_BUF_TXFIF_CLR; + omap_i2c_write_reg(dev, OMAP_I2C_BUF_REG, w); + init_completion(&dev->cmd_complete); dev->cmd_err = 0; @@ -358,17 +383,40 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, /* High speed configuration */ if (dev->speed > 400) - w |= OMAP_I2C_CON_OPMODE; + w |= OMAP_I2C_CON_OPMODE_HS; if (msg->flags & I2C_M_TEN) w |= OMAP_I2C_CON_XA; if (!(msg->flags & I2C_M_RD)) w |= OMAP_I2C_CON_TRX; - if (stop) + if (!dev->b_hw && stop) w |= OMAP_I2C_CON_STP; omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); /* + * Don't write stt and stp together on some hardware. + */ + if (dev->b_hw && stop) { + unsigned long delay = jiffies + OMAP_I2C_TIMEOUT; + u16 con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG); + while (con & OMAP_I2C_CON_STT) { + con = omap_i2c_read_reg(dev, OMAP_I2C_CON_REG); + + /* Let the user know if i2c is in a bad state */ + if (time_after(jiffies, delay)) { + dev_err(dev->dev, "controller timed out " + "waiting for start condition to finish\n"); + return -ETIMEDOUT; + } + cpu_relax(); + } + + w |= OMAP_I2C_CON_STP; + w &= ~OMAP_I2C_CON_STT; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); + } + + /* * REVISIT: We should abort the transfer on signals, but the bus goes * into arbitration and we're currently unable to recover from it. */ @@ -516,7 +564,7 @@ omap_i2c_isr(int this_irq, void *dev_id) struct omap_i2c_dev *dev = dev_id; u16 bits; u16 stat, w; - int count = 0; + int err, count = 0; if (dev->idle) return IRQ_NONE; @@ -531,39 +579,94 @@ omap_i2c_isr(int this_irq, void *dev_id) omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat); - if (stat & OMAP_I2C_STAT_ARDY) { - omap_i2c_complete_cmd(dev, 0); - continue; + err = 0; + if (stat & OMAP_I2C_STAT_NACK) { + err |= OMAP_I2C_STAT_NACK; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, + OMAP_I2C_CON_STP); } - if (stat & OMAP_I2C_STAT_RRDY) { - w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); - if (dev->buf_len) { - *dev->buf++ = w; - dev->buf_len--; + if (stat & OMAP_I2C_STAT_AL) { + dev_err(dev->dev, "Arbitration lost\n"); + err |= OMAP_I2C_STAT_AL; + } + if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK | + OMAP_I2C_STAT_AL)) + omap_i2c_complete_cmd(dev, err); + if (stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)) { + u8 num_bytes = 1; + if (dev->fifo_size) { + if (stat & OMAP_I2C_STAT_RRDY) + num_bytes = dev->fifo_size; + else + num_bytes = omap_i2c_read_reg(dev, + OMAP_I2C_BUFSTAT_REG); + } + while (num_bytes) { + num_bytes--; + w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); if (dev->buf_len) { - *dev->buf++ = w >> 8; + *dev->buf++ = w; dev->buf_len--; + /* Data reg from 2430 is 8 bit wide */ + if (!cpu_is_omap2430()) { + if (dev->buf_len) { + *dev->buf++ = w >> 8; + dev->buf_len--; + } + } + } else { + if (stat & OMAP_I2C_STAT_RRDY) + dev_err(dev->dev, + "RRDY IRQ while no data" + " requested\n"); + if (stat & OMAP_I2C_STAT_RDR) + dev_err(dev->dev, + "RDR IRQ while no data" + " requested\n"); + break; } - } else - dev_err(dev->dev, "RRDY IRQ while no data " - "requested\n"); - omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RRDY); + } + omap_i2c_ack_stat(dev, + stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)); continue; } - if (stat & OMAP_I2C_STAT_XRDY) { - w = 0; - if (dev->buf_len) { - w = *dev->buf++; - dev->buf_len--; + if (stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)) { + u8 num_bytes = 1; + if (dev->fifo_size) { + if (stat & OMAP_I2C_STAT_XRDY) + num_bytes = dev->fifo_size; + else + num_bytes = omap_i2c_read_reg(dev, + OMAP_I2C_BUFSTAT_REG); + } + while (num_bytes) { + num_bytes--; + w = 0; if (dev->buf_len) { - w |= *dev->buf++ << 8; + w = *dev->buf++; dev->buf_len--; + /* Data reg from 2430 is 8 bit wide */ + if (!cpu_is_omap2430()) { + if (dev->buf_len) { + w |= *dev->buf++ << 8; + dev->buf_len--; + } + } + } else { + if (stat & OMAP_I2C_STAT_XRDY) + dev_err(dev->dev, + "XRDY IRQ while no " + "data to send\n"); + if (stat & OMAP_I2C_STAT_XDR) + dev_err(dev->dev, + "XDR IRQ while no " + "data to send\n"); + break; } - } else - dev_err(dev->dev, "XRDY IRQ while no " - "data to send\n"); - omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w); - omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY); + omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w); + } + omap_i2c_ack_stat(dev, + stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)); continue; } if (stat & OMAP_I2C_STAT_ROVR) { @@ -571,18 +674,9 @@ omap_i2c_isr(int this_irq, void *dev_id) dev->cmd_err |= OMAP_I2C_STAT_ROVR; } if (stat & OMAP_I2C_STAT_XUDF) { - dev_err(dev->dev, "Transmit overflow\n"); + dev_err(dev->dev, "Transmit underflow\n"); dev->cmd_err |= OMAP_I2C_STAT_XUDF; } - if (stat & OMAP_I2C_STAT_NACK) { - omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_NACK); - omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, - OMAP_I2C_CON_STP); - } - if (stat & OMAP_I2C_STAT_AL) { - dev_err(dev->dev, "Arbitration lost\n"); - omap_i2c_complete_cmd(dev, OMAP_I2C_STAT_AL); - } } return count ? IRQ_HANDLED : IRQ_NONE; @@ -651,6 +745,22 @@ omap_i2c_probe(struct platform_device *pdev) if (cpu_is_omap15xx()) dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20; + if (cpu_is_omap2430()) { + u16 s; + + /* Set up the fifo size - Get total size */ + s = (omap_i2c_read_reg(dev, OMAP_I2C_BUFSTAT_REG) >> 14) & 0x3; + dev->fifo_size = 0x8 << s; + + /* + * Set up notification threshold as half the total available + * size. This is to ensure that we can handle the status on int + * call back latencies. + */ + dev->fifo_size = (dev->fifo_size / 2); + dev->b_hw = 1; /* Enable hardware fixes */ + } + /* reset ASAP, clearing any IRQs */ omap_i2c_init(dev); -- cgit v0.10.2 From 3d522fb41ead214d9d9236ec184271633e1cfc2f Mon Sep 17 00:00:00 2001 From: Chandra shekhar Date: Fri, 21 Nov 2008 13:39:46 -0800 Subject: i2c-omap: Add support for omap34xx Add support for omap34xx Signed-off-by: chandra shekhar Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 9ae4b74..3f7726a 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -156,7 +156,7 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg) static int omap_i2c_get_clocks(struct omap_i2c_dev *dev) { - if (cpu_is_omap16xx() || cpu_is_omap24xx()) { + if (cpu_is_omap16xx() || cpu_class_is_omap2()) { dev->iclk = clk_get(dev->dev, "i2c_ick"); if (IS_ERR(dev->iclk)) { dev->iclk = NULL; @@ -266,7 +266,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) psc = fclk_rate / 12000000; } - if (cpu_is_omap2430()) { + if (cpu_is_omap2430() || cpu_is_omap34xx()) { /* HSI2C controller internal clk rate should be 19.2 Mhz */ internal_clk = 19200; @@ -608,7 +608,8 @@ omap_i2c_isr(int this_irq, void *dev_id) *dev->buf++ = w; dev->buf_len--; /* Data reg from 2430 is 8 bit wide */ - if (!cpu_is_omap2430()) { + if (!cpu_is_omap2430() && + !cpu_is_omap34xx()) { if (dev->buf_len) { *dev->buf++ = w >> 8; dev->buf_len--; @@ -646,7 +647,8 @@ omap_i2c_isr(int this_irq, void *dev_id) w = *dev->buf++; dev->buf_len--; /* Data reg from 2430 is 8 bit wide */ - if (!cpu_is_omap2430()) { + if (!cpu_is_omap2430() && + !cpu_is_omap34xx()) { if (dev->buf_len) { w |= *dev->buf++ << 8; dev->buf_len--; @@ -694,7 +696,7 @@ omap_i2c_probe(struct platform_device *pdev) struct i2c_adapter *adap; struct resource *mem, *irq, *ioarea; int r; - u32 *speed = NULL; + u32 speed = 0; /* NOTE: driver uses the static register mapping */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -722,11 +724,11 @@ omap_i2c_probe(struct platform_device *pdev) } if (pdev->dev.platform_data != NULL) - speed = (u32 *) pdev->dev.platform_data; + speed = *(u32 *)pdev->dev.platform_data; else - *speed = 100; /* Defualt speed */ + speed = 100; /* Defualt speed */ - dev->speed = *speed; + dev->speed = speed; dev->dev = &pdev->dev; dev->irq = irq->start; dev->base = ioremap(mem->start, mem->end - mem->start + 1); @@ -745,7 +747,7 @@ omap_i2c_probe(struct platform_device *pdev) if (cpu_is_omap15xx()) dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20; - if (cpu_is_omap2430()) { + if (cpu_is_omap2430() || cpu_is_omap34xx()) { u16 s; /* Set up the fifo size - Get total size */ -- cgit v0.10.2 From 510be9c9ad852dc902fd926ec8e03b67e62d8915 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:46 -0800 Subject: i2c-omap: Mark init-only functions as __init Mark functions called only at init time as __init. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 3f7726a..61d2e5a 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -154,7 +154,7 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg) return __raw_readw(i2c_dev->base + reg); } -static int omap_i2c_get_clocks(struct omap_i2c_dev *dev) +static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev) { if (cpu_is_omap16xx() || cpu_class_is_omap2()) { dev->iclk = clk_get(dev->dev, "i2c_ick"); @@ -689,7 +689,7 @@ static const struct i2c_algorithm omap_i2c_algo = { .functionality = omap_i2c_func, }; -static int +static int __init omap_i2c_probe(struct platform_device *pdev) { struct omap_i2c_dev *dev; -- cgit v0.10.2 From 43469d8e2aaecc61403d1527dda7441fba8c0e50 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:47 -0800 Subject: i2c-omap: Don't compile in OMAP15xx I2C ISR for non-OMAP15xx builds Skip compiling OMAP15xx I2C ISR for non-OMAP15xx builds. Saves 400 bytes of text for most OMAP builds. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 61d2e5a..195c3d1 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -503,6 +503,9 @@ omap_i2c_ack_stat(struct omap_i2c_dev *dev, u16 stat) omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, stat); } +/* rev1 devices are apparently only on some 15xx */ +#ifdef CONFIG_ARCH_OMAP15XX + static irqreturn_t omap_i2c_rev1_isr(int this_irq, void *dev_id) { @@ -557,6 +560,9 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id) return IRQ_HANDLED; } +#else +#define omap_i2c_rev1_isr 0 +#endif static irqreturn_t omap_i2c_isr(int this_irq, void *dev_id) -- cgit v0.10.2 From c1a473bde4c06e8e6996ce3a33121b7a9a86b4b9 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Fri, 21 Nov 2008 13:39:47 -0800 Subject: i2c-omap: Clean-up i2c-omap Minor sparse, checkpatch and formatting clean-up. Also update copyrights. Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 195c3d1..4aeebad 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -2,13 +2,16 @@ * TI OMAP I2C master mode driver * * Copyright (C) 2003 MontaVista Software, Inc. - * Copyright (C) 2004 Texas Instruments. - * - * Updated to work with multiple I2C interfaces on 24xx by - * Tony Lindgren and Imre Deak * Copyright (C) 2005 Nokia Corporation + * Copyright (C) 2004 - 2007 Texas Instruments. * - * Cleaned up by Juha Yrjölä + * Originally written by MontaVista Software, Inc. + * Additional contributions by: + * Tony Lindgren + * Imre Deak + * Juha Yrjölä + * Syed Khasim + * Nishant Menon * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,8 +36,7 @@ #include #include #include - -#include +#include /* timeout waiting for the controller to respond */ #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000)) @@ -204,7 +206,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); if (dev->rev1) { - iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ + iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ } else { omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); @@ -321,9 +323,9 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) /* Enable interrupts */ omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, - (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY | - OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK | - OMAP_I2C_IE_AL) | ((dev->fifo_size) ? + (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY | + OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK | + OMAP_I2C_IE_AL) | ((dev->fifo_size) ? (OMAP_I2C_IE_RDR | OMAP_I2C_IE_XDR) : 0)); return 0; } @@ -389,8 +391,10 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, w |= OMAP_I2C_CON_XA; if (!(msg->flags & I2C_M_RD)) w |= OMAP_I2C_CON_TRX; + if (!dev->b_hw && stop) w |= OMAP_I2C_CON_STP; + omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, w); /* @@ -468,7 +472,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) omap_i2c_unidle(dev); - if ((r = omap_i2c_wait_for_bb(dev)) < 0) + r = omap_i2c_wait_for_bb(dev); + if (r < 0) goto out; for (i = 0; i < num; i++) { @@ -561,7 +566,7 @@ omap_i2c_rev1_isr(int this_irq, void *dev_id) return IRQ_HANDLED; } #else -#define omap_i2c_rev1_isr 0 +#define omap_i2c_rev1_isr NULL #endif static irqreturn_t -- cgit v0.10.2 From 3831f154418e058616129942e8175dc4c7e4a1d8 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:47 -0800 Subject: i2c-omap: fix I2C timeouts due to recursive omap_i2c_{un,}idle() omap_i2c_unidle() and omap_i2c_idle() are called recursively during omap_i2c_probe(). This is evidently unexpected and will wipe out the I2C interrupt enable register the second time that omap_i2c_idle() is called consecutively. Any I2C transactions following a probe of a bus with at least one device on it will then time out. Fix by moving omap_i2c_idle() further up in omap_i2c_probe(). Ensure the I2C controller is marked as idle before the probe starts. Also attempt to catch future reappearances of this bug early in development by warning in omap_i2c_{un,}idle() when they are called recursively. Problem reported by David Brownell . Tested on 3430SDP and 2430SDP. Signed-off-by: Paul Walmsley Cc: David Brownell Cc: Richard Woodruff Acked-by; Steve Sakoman Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 4aeebad..40a1e4b 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -191,6 +191,8 @@ static void omap_i2c_put_clocks(struct omap_i2c_dev *dev) static void omap_i2c_unidle(struct omap_i2c_dev *dev) { + WARN_ON(!dev->idle); + if (dev->iclk != NULL) clk_enable(dev->iclk); clk_enable(dev->fclk); @@ -203,6 +205,8 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) { u16 iv; + WARN_ON(dev->idle); + dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); if (dev->rev1) { @@ -740,6 +744,7 @@ omap_i2c_probe(struct platform_device *pdev) speed = 100; /* Defualt speed */ dev->speed = speed; + dev->idle = 1; dev->dev = &pdev->dev; dev->irq = irq->start; dev->base = ioremap(mem->start, mem->end - mem->start + 1); @@ -788,6 +793,8 @@ omap_i2c_probe(struct platform_device *pdev) dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n", pdev->id, r >> 4, r & 0xf, dev->speed); + omap_i2c_idle(dev); + adap = &dev->adapter; i2c_set_adapdata(adap, dev); adap->owner = THIS_MODULE; @@ -804,8 +811,6 @@ omap_i2c_probe(struct platform_device *pdev) goto err_free_irq; } - omap_i2c_idle(dev); - return 0; err_free_irq: -- cgit v0.10.2 From 9c76b878eb3f837ff98b37aa254e6cc7942e946b Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:55 -0800 Subject: i2c-omap: convert 'rev1' flag to generic 'rev' u8 i2c-omap discriminates only between "revision 1" or "greater than revision 1." A following patch introduces code that must also discriminate between rev2.x, rev3.6, and rev3.12 controllers. Support this by storing the full revision data from the I2C_REV register, rather than just a single bit. The revision definitions may need to be extended for other ES levels that aren't currently available here. rev3.6 is what's present on the 2430SDP here (unknown ES revision); rev3.12 is used on the 3430ES2 here. Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 40a1e4b..3ac510d 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -38,6 +38,13 @@ #include #include +/* I2C controller revisions */ +#define OMAP_I2C_REV_2 0x20 + +/* I2C controller revisions present on specific hardware */ +#define OMAP_I2C_REV_ON_2430 0x36 +#define OMAP_I2C_REV_ON_3430 0x3C + /* timeout waiting for the controller to respond */ #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000)) @@ -139,7 +146,7 @@ struct omap_i2c_dev { * fifo_size==0 implies no fifo * if set, should be trsh+1 */ - unsigned rev1:1; + u8 rev; unsigned b_hw:1; /* bad h/w fixes */ unsigned idle:1; u16 iestate; /* Saved interrupt register */ @@ -209,7 +216,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev) dev->iestate = omap_i2c_read_reg(dev, OMAP_I2C_IE_REG); omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, 0); - if (dev->rev1) { + if (dev->rev < OMAP_I2C_REV_2) { iv = omap_i2c_read_reg(dev, OMAP_I2C_IV_REG); /* Read clears */ } else { omap_i2c_write_reg(dev, OMAP_I2C_STAT_REG, dev->iestate); @@ -231,7 +238,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) unsigned long timeout; unsigned long internal_clk = 0; - if (!dev->rev1) { + if (dev->rev >= OMAP_I2C_REV_2) { omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, OMAP_I2C_SYSC_SRST); /* For some reason we need to set the EN bit before the * reset done bit gets set. */ @@ -710,6 +717,7 @@ omap_i2c_probe(struct platform_device *pdev) struct omap_i2c_dev *dev; struct i2c_adapter *adap; struct resource *mem, *irq, *ioarea; + void *isr; int r; u32 speed = 0; @@ -760,8 +768,7 @@ omap_i2c_probe(struct platform_device *pdev) omap_i2c_unidle(dev); - if (cpu_is_omap15xx()) - dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20; + dev->rev = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff; if (cpu_is_omap2430() || cpu_is_omap34xx()) { u16 s; @@ -782,16 +789,16 @@ omap_i2c_probe(struct platform_device *pdev) /* reset ASAP, clearing any IRQs */ omap_i2c_init(dev); - r = request_irq(dev->irq, dev->rev1 ? omap_i2c_rev1_isr : omap_i2c_isr, - 0, pdev->name, dev); + isr = (dev->rev < OMAP_I2C_REV_2) ? omap_i2c_rev1_isr : omap_i2c_isr; + r = request_irq(dev->irq, isr, 0, pdev->name, dev); if (r) { dev_err(dev->dev, "failure requesting irq %i\n", dev->irq); goto err_unuse_clocks; } - r = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff; + dev_info(dev->dev, "bus %d rev%d.%d at %d kHz\n", - pdev->id, r >> 4, r & 0xf, dev->speed); + pdev->id, dev->rev >> 4, dev->rev & 0xf, dev->speed); omap_i2c_idle(dev); -- cgit v0.10.2 From fdd07fe6f6fe54250d8b1126b42ebdc72d938f05 Mon Sep 17 00:00:00 2001 From: Paul Walmsley Date: Fri, 21 Nov 2008 13:39:55 -0800 Subject: i2c-omap: reprogram OCP_SYSCONFIG register after reset The I2C controller clears its OCP_SYSCONFIG register after an OCP soft reset. Reprogram OCP_SYSCONFIG for maximum power savings on rev3.6 controllers and beyond. On 2430, this involves setting the module AUTOIDLE bit. On 3430, this includes module AUTOIDLE, wakeup enable, slave smart-idle, and considers only the module functional clock state for idle-ack. Boot-tested on 2430SDP and 3430SDP. Signed-off-by: Paul Walmsley Cc: Richard Woodruff Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 3ac510d..b202354 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -123,11 +123,19 @@ #define OMAP_I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive out */ #endif -/* I2C System Status register (OMAP_I2C_SYSS): */ -#define OMAP_I2C_SYSS_RDONE (1 << 0) /* Reset Done */ +/* OCP_SYSSTATUS bit definitions */ +#define SYSS_RESETDONE_MASK (1 << 0) + +/* OCP_SYSCONFIG bit definitions */ +#define SYSC_CLOCKACTIVITY_MASK (0x3 << 8) +#define SYSC_SIDLEMODE_MASK (0x3 << 3) +#define SYSC_ENAWAKEUP_MASK (1 << 2) +#define SYSC_SOFTRESET_MASK (1 << 1) +#define SYSC_AUTOIDLE_MASK (1 << 0) + +#define SYSC_IDLEMODE_SMART 0x2 +#define SYSC_CLOCKACTIVITY_FCLK 0x2 -/* I2C System Configuration Register (OMAP_I2C_SYSC): */ -#define OMAP_I2C_SYSC_SRST (1 << 1) /* Soft Reset */ struct omap_i2c_dev { struct device *dev; @@ -239,13 +247,13 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) unsigned long internal_clk = 0; if (dev->rev >= OMAP_I2C_REV_2) { - omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, OMAP_I2C_SYSC_SRST); + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, SYSC_SOFTRESET_MASK); /* For some reason we need to set the EN bit before the * reset done bit gets set. */ timeout = jiffies + OMAP_I2C_TIMEOUT; omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); while (!(omap_i2c_read_reg(dev, OMAP_I2C_SYSS_REG) & - OMAP_I2C_SYSS_RDONE)) { + SYSS_RESETDONE_MASK)) { if (time_after(jiffies, timeout)) { dev_warn(dev->dev, "timeout waiting " "for controller reset\n"); @@ -253,6 +261,26 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) } msleep(1); } + + /* SYSC register is cleared by the reset; rewrite it */ + if (dev->rev == OMAP_I2C_REV_ON_2430) { + + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, + SYSC_AUTOIDLE_MASK); + + } else if (dev->rev >= OMAP_I2C_REV_ON_3430) { + u32 v; + + v = SYSC_AUTOIDLE_MASK; + v |= SYSC_ENAWAKEUP_MASK; + v |= (SYSC_IDLEMODE_SMART << + __ffs(SYSC_SIDLEMODE_MASK)); + v |= (SYSC_CLOCKACTIVITY_FCLK << + __ffs(SYSC_CLOCKACTIVITY_MASK)); + + omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, v); + + } } omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); -- cgit v0.10.2 From 5043e9e737c4909e7f187d479227df46f5a2dd53 Mon Sep 17 00:00:00 2001 From: Kalle Jokiniemi Date: Fri, 21 Nov 2008 13:39:55 -0800 Subject: i2c-omap: Enable I2C wakeups for 34xx I2C_WE registers were not configured, which caused huge delays in I2C operations while cpu idle was enabled and omap entered WFI. This patch enables all I2C wakeup sources. Signed-off-by: Kalle Jokiniemi Signed-off-by: Tony Lindgren diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b202354..96f3bed 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -52,6 +52,8 @@ #define OMAP_I2C_IE_REG 0x04 #define OMAP_I2C_STAT_REG 0x08 #define OMAP_I2C_IV_REG 0x0c +/* For OMAP3 I2C_IV has changed to I2C_WE (wakeup enable) */ +#define OMAP_I2C_WE_REG 0x0c #define OMAP_I2C_SYSS_REG 0x10 #define OMAP_I2C_BUF_REG 0x14 #define OMAP_I2C_CNT_REG 0x18 @@ -89,6 +91,24 @@ #define OMAP_I2C_STAT_NACK (1 << 1) /* No ack interrupt enable */ #define OMAP_I2C_STAT_AL (1 << 0) /* Arbitration lost int ena */ +/* I2C WE wakeup enable register */ +#define OMAP_I2C_WE_XDR_WE (1 << 14) /* TX drain wakup */ +#define OMAP_I2C_WE_RDR_WE (1 << 13) /* RX drain wakeup */ +#define OMAP_I2C_WE_AAS_WE (1 << 9) /* Address as slave wakeup*/ +#define OMAP_I2C_WE_BF_WE (1 << 8) /* Bus free wakeup */ +#define OMAP_I2C_WE_STC_WE (1 << 6) /* Start condition wakeup */ +#define OMAP_I2C_WE_GC_WE (1 << 5) /* General call wakeup */ +#define OMAP_I2C_WE_DRDY_WE (1 << 3) /* TX/RX data ready wakeup */ +#define OMAP_I2C_WE_ARDY_WE (1 << 2) /* Reg access ready wakeup */ +#define OMAP_I2C_WE_NACK_WE (1 << 1) /* No acknowledgment wakeup */ +#define OMAP_I2C_WE_AL_WE (1 << 0) /* Arbitration lost wakeup */ + +#define OMAP_I2C_WE_ALL (OMAP_I2C_WE_XDR_WE | OMAP_I2C_WE_RDR_WE | \ + OMAP_I2C_WE_AAS_WE | OMAP_I2C_WE_BF_WE | \ + OMAP_I2C_WE_STC_WE | OMAP_I2C_WE_GC_WE | \ + OMAP_I2C_WE_DRDY_WE | OMAP_I2C_WE_ARDY_WE | \ + OMAP_I2C_WE_NACK_WE | OMAP_I2C_WE_AL_WE) + /* I2C Buffer Configuration Register (OMAP_I2C_BUF): */ #define OMAP_I2C_BUF_RDMA_EN (1 << 15) /* RX DMA channel enable */ #define OMAP_I2C_BUF_RXFIF_CLR (1 << 14) /* RX FIFO Clear */ @@ -279,6 +299,13 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) __ffs(SYSC_CLOCKACTIVITY_MASK)); omap_i2c_write_reg(dev, OMAP_I2C_SYSC_REG, v); + /* + * Enabling all wakup sources to stop I2C freezing on + * WFI instruction. + * REVISIT: Some wkup sources might not be needed. + */ + omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, + OMAP_I2C_WE_ALL); } } -- cgit v0.10.2 From 9963d1aad40946b1b6d34f9bee8d8a1b9032ae22 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 21 Nov 2008 21:07:16 +1030 Subject: [CPUFREQ] clean up speedstep-centrino and reduce cpumask_t usage Impact: cleanup 1) The #ifdef CONFIG_HOTPLUG_CPU seems unnecessary these days. 2) The loop can simply skip over offline cpus, rather than creating a tmp mask. 3) set_mask is set to either a single cpu or all online cpus in a policy. Since it's just used for set_cpus_allowed(), any offline cpus in a policy don't matter, so we can just use cpumask_of_cpu() or the policy->cpus. Signed-off-by: Rusty Russell Signed-off-by: Mike Travis Signed-off-by: Dave Jones diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c index 3b5f064..f0ea6fa 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c @@ -459,9 +459,7 @@ static int centrino_verify (struct cpufreq_policy *policy) * Sets a new CPUFreq policy. */ struct allmasks { - cpumask_t online_policy_cpus; cpumask_t saved_mask; - cpumask_t set_mask; cpumask_t covered_cpus; }; @@ -475,9 +473,7 @@ static int centrino_target (struct cpufreq_policy *policy, int retval = 0; unsigned int j, k, first_cpu, tmp; CPUMASK_ALLOC(allmasks); - CPUMASK_PTR(online_policy_cpus, allmasks); CPUMASK_PTR(saved_mask, allmasks); - CPUMASK_PTR(set_mask, allmasks); CPUMASK_PTR(covered_cpus, allmasks); if (unlikely(allmasks == NULL)) @@ -497,30 +493,28 @@ static int centrino_target (struct cpufreq_policy *policy, goto out; } -#ifdef CONFIG_HOTPLUG_CPU - /* cpufreq holds the hotplug lock, so we are safe from here on */ - cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus); -#else - *online_policy_cpus = policy->cpus; -#endif - *saved_mask = current->cpus_allowed; first_cpu = 1; cpus_clear(*covered_cpus); - for_each_cpu_mask_nr(j, *online_policy_cpus) { + for_each_cpu_mask_nr(j, policy->cpus) { + const cpumask_t *mask; + + /* cpufreq holds the hotplug lock, so we are safe here */ + if (!cpu_online(j)) + continue; + /* * Support for SMP systems. * Make sure we are running on CPU that wants to change freq */ - cpus_clear(*set_mask); if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) - cpus_or(*set_mask, *set_mask, *online_policy_cpus); + mask = &policy->cpus; else - cpu_set(j, *set_mask); + mask = &cpumask_of_cpu(j); - set_cpus_allowed_ptr(current, set_mask); + set_cpus_allowed_ptr(current, mask); preempt_disable(); - if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) { + if (unlikely(!cpu_isset(smp_processor_id(), *mask))) { dprintk("couldn't limit to CPUs in this domain\n"); retval = -EAGAIN; if (first_cpu) { @@ -548,7 +542,9 @@ static int centrino_target (struct cpufreq_policy *policy, dprintk("target=%dkHz old=%d new=%d msr=%04x\n", target_freq, freqs.old, freqs.new, msr); - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); @@ -571,7 +567,9 @@ static int centrino_target (struct cpufreq_policy *policy, preempt_enable(); } - for_each_cpu_mask_nr(k, *online_policy_cpus) { + for_each_cpu_mask_nr(k, policy->cpus) { + if (!cpu_online(k)) + continue; freqs.cpu = k; cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } @@ -584,18 +582,17 @@ static int centrino_target (struct cpufreq_policy *policy, * Best effort undo.. */ - if (!cpus_empty(*covered_cpus)) - for_each_cpu_mask_nr(j, *covered_cpus) { - set_cpus_allowed_ptr(current, - &cpumask_of_cpu(j)); - wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); - } + for_each_cpu_mask_nr(j, *covered_cpus) { + set_cpus_allowed_ptr(current, &cpumask_of_cpu(j)); + wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); + } tmp = freqs.new; freqs.new = freqs.old; freqs.old = tmp; - for_each_cpu_mask_nr(j, *online_policy_cpus) { - freqs.cpu = j; + for_each_cpu_mask_nr(j, policy->cpus) { + if (!cpu_online(j)) + continue; cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); } -- cgit v0.10.2 From 10db2e5cbda5b4e13d2e2f134b963bee2e129999 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Fri, 17 Oct 2008 22:52:04 +0200 Subject: [CPUFREQ] p4-clockmod: reduce noise On those CPUs which are SpeedStep (EST) capable, we do not care at all if p4-clockmod does not work, since a technically superior CPU frequency management technology is to be used. Signed-off-by: Dominik Brodowski Signed-off-by: Dave Jones diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index b8e05ee..ba3a94a 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -171,7 +171,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) } if (c->x86 != 0xF) { - printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to \n"); + if (!cpu_has(c, X86_FEATURE_EST)) + printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. " + "Please send an e-mail to \n"); return 0; } -- cgit v0.10.2 From e088e4c9cdb618675874becb91b2fd581ee707e6 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Tue, 25 Nov 2008 13:29:47 -0500 Subject: [CPUFREQ] Disable sysfs ui for p4-clockmod. p4-clockmod has a long history of abuse. It pretends to be a CPU frequency scaling driver, even though it doesn't actually change the CPU frequency, but instead just modulates the frequency with wait-states. The biggest misconception is that when running at the lower 'frequency' p4-clockmod is saving power. This isn't the case, as workloads running slower take longer to complete, preventing the CPU from entering deep C states. However p4-clockmod does have a purpose. It can prevent overheating. Having it hooked up to the cpufreq interfaces is the wrong way to achieve cooling however. It should instead be hooked up to ACPI. This diff introduces a means for a cpufreq driver to register with the cpufreq core, but not present a sysfs interface. Signed-off-by: Matthew Garrett Signed-off-by: Dave Jones diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index ba3a94a..0c43b22 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -276,6 +276,7 @@ static struct cpufreq_driver p4clockmod_driver = { .name = "p4-clockmod", .owner = THIS_MODULE, .attr = p4clockmod_attr, + .hide_interface = 1, }; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 31d6f53..9044b91 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -754,6 +754,11 @@ static struct kobj_type ktype_cpufreq = { .release = cpufreq_sysfs_release, }; +static struct kobj_type ktype_empty_cpufreq = { + .sysfs_ops = &sysfs_ops, + .release = cpufreq_sysfs_release, +}; + /** * cpufreq_add_dev - add a CPU device @@ -876,26 +881,36 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) memcpy(&new_policy, policy, sizeof(struct cpufreq_policy)); /* prepare interface data */ - ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj, - "cpufreq"); - if (ret) - goto err_out_driver_exit; - - /* set up files for this cpu device */ - drv_attr = cpufreq_driver->attr; - while ((drv_attr) && (*drv_attr)) { - ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr)); + if (!cpufreq_driver->hide_interface) { + ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, + &sys_dev->kobj, "cpufreq"); if (ret) goto err_out_driver_exit; - drv_attr++; - } - if (cpufreq_driver->get) { - ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr); - if (ret) - goto err_out_driver_exit; - } - if (cpufreq_driver->target) { - ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr); + + /* set up files for this cpu device */ + drv_attr = cpufreq_driver->attr; + while ((drv_attr) && (*drv_attr)) { + ret = sysfs_create_file(&policy->kobj, + &((*drv_attr)->attr)); + if (ret) + goto err_out_driver_exit; + drv_attr++; + } + if (cpufreq_driver->get) { + ret = sysfs_create_file(&policy->kobj, + &cpuinfo_cur_freq.attr); + if (ret) + goto err_out_driver_exit; + } + if (cpufreq_driver->target) { + ret = sysfs_create_file(&policy->kobj, + &scaling_cur_freq.attr); + if (ret) + goto err_out_driver_exit; + } + } else { + ret = kobject_init_and_add(&policy->kobj, &ktype_empty_cpufreq, + &sys_dev->kobj, "cpufreq"); if (ret) goto err_out_driver_exit; } diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 1ee608f..484b3ab 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -234,6 +234,7 @@ struct cpufreq_driver { int (*suspend) (struct cpufreq_policy *policy, pm_message_t pmsg); int (*resume) (struct cpufreq_policy *policy); struct freq_attr **attr; + bool hide_interface; }; /* flags */ -- cgit v0.10.2 From c60e19eb21d9a0fb0d78969884f32d88354abca9 Mon Sep 17 00:00:00 2001 From: Herton Ronaldo Krzesinski Date: Sat, 15 Nov 2008 17:02:46 -0200 Subject: [CPUFREQ] add to speedstep-lib additional fsb values for core processors Add additional fsb values to pentium_core_get_frequency, from latest edition (September 2008) of Intel 64 and IA-32 Architectures Software Develper's Manual, Volume 3B: System Programming Guide, Part 2. Values added are to detect 800, 1067 and 1333 FSB types. Signed-off-by: Herton Ronaldo Krzesinski Signed-off-by: Dave Jones diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c index 98d4fdb..cdac7d6 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c @@ -139,6 +139,15 @@ static unsigned int pentium_core_get_frequency(void) case 3: fsb = 166667; break; + case 2: + fsb = 200000; + break; + case 0: + fsb = 266667; + break; + case 4: + fsb = 333333; + break; default: printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value"); } -- cgit v0.10.2 From 8529154ec3f3ac20344c65b7a040c604c7af7651 Mon Sep 17 00:00:00 2001 From: Herton Ronaldo Krzesinski Date: Sat, 15 Nov 2008 17:02:46 -0200 Subject: [CPUFREQ] Add Celeron Core support to p4-clockmod. Add Celeron Core support to p4-clockmod. Signed-off-by: Herton Ronaldo Krzesinski Signed-off-by: Dave Jones diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index 0c43b22..beea446 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -160,6 +160,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) switch (c->x86_model) { case 0x0E: /* Core */ case 0x0F: /* Core Duo */ + case 0x16: /* Celeron Core */ p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE); case 0x0D: /* Pentium M (Dothan) */ -- cgit v0.10.2 From 187d9f4ed4fc089f1f25a875fb485e27626972f9 Mon Sep 17 00:00:00 2001 From: Mike Chan Date: Thu, 4 Dec 2008 12:19:17 -0800 Subject: [CPUFREQ] Fix on resume, now preserves user policy min/max. Previously driver resume would always set the current policy min/max with the cpuinfo min/max, defined by user_policy.min/max. Resulting in a reset of policy settings when policy.min/max != cpuinfo.min/max when coming out of suspend. Now user_policy is saved as the policy instead of cpuinfo to preserve what the user actually set. Signed-off-by: Mike Chan Signed-off-by: Dave Jones diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 9044b91..01dde80 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -827,8 +827,8 @@ static int cpufreq_add_dev(struct sys_device *sys_dev) dprintk("initialization failed\n"); goto err_out; } - policy->user_policy.min = policy->cpuinfo.min_freq; - policy->user_policy.max = policy->cpuinfo.max_freq; + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); -- cgit v0.10.2 From 3d0911bfe03b5f077cef32ca644b5756d48affc3 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:10:24 +0000 Subject: i2c-s3c2410: Fixup style problems from checkpatch.pl Fixup the 36 warnings and errors generated from running checkpatch.pl on the driver. The warnings are too numerous to be listed here. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 1fac4e2..f5efece 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -109,7 +109,8 @@ static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c) * the default if there is none */ -static inline struct s3c2410_platform_i2c *s3c24xx_i2c_get_platformdata(struct device *dev) +static inline struct s3c2410_platform_i2c * +s3c24xx_i2c_get_platformdata(struct device *dev) { if (dev->platform_data != NULL) return (struct s3c2410_platform_i2c *)dev->platform_data; @@ -129,7 +130,7 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret) i2c->msg_ptr = 0; i2c->msg = NULL; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg_num = 0; if (ret) i2c->msg_idx = ret; @@ -140,19 +141,17 @@ static inline void s3c24xx_i2c_master_complete(struct s3c24xx_i2c *i2c, int ret) static inline void s3c24xx_i2c_disable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_ACKEN, i2c->regs + S3C2410_IICCON); - } /* irq enable/disable functions */ @@ -160,7 +159,7 @@ static inline void s3c24xx_i2c_enable_ack(struct s3c24xx_i2c *i2c) static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp & ~S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -168,7 +167,7 @@ static inline void s3c24xx_i2c_disable_irq(struct s3c24xx_i2c *i2c) static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) { unsigned long tmp; - + tmp = readl(i2c->regs + S3C2410_IICCON); writel(tmp | S3C2410_IICCON_IRQEN, i2c->regs + S3C2410_IICCON); } @@ -176,10 +175,10 @@ static inline void s3c24xx_i2c_enable_irq(struct s3c24xx_i2c *i2c) /* s3c24xx_i2c_message_start * - * put the start of a message onto the bus + * put the start of a message onto the bus */ -static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, +static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, struct i2c_msg *msg) { unsigned int addr = (msg->addr & 0x7f) << 1; @@ -198,15 +197,15 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, if (msg->flags & I2C_M_REV_DIR_ADDR) addr ^= 1; - // todo - check for wether ack wanted or not + /* todo - check for wether ack wanted or not */ s3c24xx_i2c_enable_ack(i2c); iiccon = readl(i2c->regs + S3C2410_IICCON); writel(stat, i2c->regs + S3C2410_IICSTAT); - + dev_dbg(i2c->dev, "START: %08lx to IICSTAT, %02x to DS\n", stat, addr); writeb(addr, i2c->regs + S3C2410_IICDS); - + /* delay here to ensure the data byte has gotten onto the bus * before the transaction is started */ @@ -214,8 +213,8 @@ static void s3c24xx_i2c_message_start(struct s3c24xx_i2c *i2c, dev_dbg(i2c->dev, "iiccon, %08lx\n", iiccon); writel(iiccon, i2c->regs + S3C2410_IICCON); - - stat |= S3C2410_IICSTAT_START; + + stat |= S3C2410_IICSTAT_START; writel(stat, i2c->regs + S3C2410_IICSTAT); } @@ -226,11 +225,11 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) dev_dbg(i2c->dev, "STOP\n"); /* stop the transfer */ - iicstat &= ~ S3C2410_IICSTAT_START; + iicstat &= ~S3C2410_IICSTAT_START; writel(iicstat, i2c->regs + S3C2410_IICSTAT); - + i2c->state = STATE_STOP; - + s3c24xx_i2c_master_complete(i2c, ret); s3c24xx_i2c_disable_irq(i2c); } @@ -240,7 +239,7 @@ static inline void s3c24xx_i2c_stop(struct s3c24xx_i2c *i2c, int ret) /* is_lastmsg() * - * returns TRUE if the current message is the last in the set + * returns TRUE if the current message is the last in the set */ static inline int is_lastmsg(struct s3c24xx_i2c *i2c) @@ -288,14 +287,14 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) case STATE_STOP: dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__); - s3c24xx_i2c_disable_irq(i2c); + s3c24xx_i2c_disable_irq(i2c); goto out_ack; case STATE_START: /* last thing we did was send a start condition on the * bus, or started a new i2c message */ - + if (iicstat & S3C2410_IICSTAT_LASTBIT && !(i2c->msg->flags & I2C_M_IGNORE_NAK)) { /* ack was not received... */ @@ -321,7 +320,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) if (i2c->state == STATE_READ) goto prepare_read; - /* fall through to the write state, as we will need to + /* fall through to the write state, as we will need to * send a byte as well */ case STATE_WRITE: @@ -338,7 +337,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) } } - retry_write: + retry_write: if (!is_msgend(i2c)) { byte = i2c->msg->buf[i2c->msg_ptr++]; @@ -358,9 +357,9 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) dev_dbg(i2c->dev, "WRITE: Next Message\n"); i2c->msg_ptr = 0; - i2c->msg_idx ++; + i2c->msg_idx++; i2c->msg++; - + /* check to see if we need to do another message */ if (i2c->msg->flags & I2C_M_NOSTART) { @@ -374,7 +373,6 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) goto retry_write; } else { - /* send the new start */ s3c24xx_i2c_message_start(i2c, i2c->msg); i2c->state = STATE_START; @@ -388,7 +386,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) break; case STATE_READ: - /* we have a byte of data in the data register, do + /* we have a byte of data in the data register, do * something with it, and then work out wether we are * going to do any more read/write */ @@ -396,13 +394,13 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) byte = readb(i2c->regs + S3C2410_IICDS); i2c->msg->buf[i2c->msg_ptr++] = byte; - prepare_read: + prepare_read: if (is_msglast(i2c)) { /* last byte of buffer */ if (is_lastmsg(i2c)) s3c24xx_i2c_disable_ack(i2c); - + } else if (is_msgend(i2c)) { /* ok, we've read the entire buffer, see if there * is anything else we need to do */ @@ -428,7 +426,7 @@ static int i2s_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) /* acknowlegde the IRQ and get back on with the work */ out_ack: - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); out: @@ -449,19 +447,19 @@ static irqreturn_t s3c24xx_i2c_irq(int irqno, void *dev_id) status = readl(i2c->regs + S3C2410_IICSTAT); if (status & S3C2410_IICSTAT_ARBITR) { - // deal with arbitration loss + /* deal with arbitration loss */ dev_err(i2c->dev, "deal with arbitration loss\n"); } if (i2c->state == STATE_IDLE) { dev_dbg(i2c->dev, "IRQ: error i2c->state == IDLE\n"); - tmp = readl(i2c->regs + S3C2410_IICCON); + tmp = readl(i2c->regs + S3C2410_IICCON); tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); goto out; } - + /* pretty much this leaves us with the fact that we've * transmitted or received whatever byte we last sent */ @@ -484,7 +482,7 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) while (timeout-- > 0) { iicstat = readl(i2c->regs + S3C2410_IICSTAT); - + if (!(iicstat & S3C2410_IICSTAT_BUSBUSY)) return 0; @@ -502,7 +500,8 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) * this starts an i2c transfer */ -static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int num) +static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, + struct i2c_msg *msgs, int num) { unsigned long timeout; int ret; @@ -528,12 +527,12 @@ static int s3c24xx_i2c_doxfer(struct s3c24xx_i2c *i2c, struct i2c_msg *msgs, int s3c24xx_i2c_enable_irq(i2c); s3c24xx_i2c_message_start(i2c, msgs); spin_unlock_irq(&i2c->lock); - + timeout = wait_event_timeout(i2c->wait, i2c->msg_num == 0, HZ * 5); ret = i2c->msg_idx; - /* having these next two as dev_err() makes life very + /* having these next two as dev_err() makes life very * noisy when doing an i2cdetect */ if (timeout == 0) @@ -642,7 +641,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted) { int diff = freq - wanted; - return (diff >= -2 && diff <= 2); + return diff >= -2 && diff <= 2; } /* s3c24xx_i2c_clockrate @@ -665,7 +664,7 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); clkin /= 1000; /* clkin now in KHz */ - + dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n", pdata, pdata->bus_freq, pdata->min_freq, pdata->max_freq); @@ -773,7 +772,7 @@ static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c) /* s3c24xx_i2c_init * - * initialise the controller, set the IO lines and frequency + * initialise the controller, set the IO lines and frequency */ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) @@ -792,7 +791,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); /* write slave address */ - + writeb(pdata->slave_addr, i2c->regs + S3C2410_IICADD); dev_info(i2c->dev, "slave address 0x%02x\n", pdata->slave_addr); @@ -877,7 +876,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) goto err_ioarea; } - dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res); + dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", + i2c->regs, i2c->ioarea, res); /* setup info block for the i2c core */ @@ -891,7 +891,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) goto err_iomap; /* find the IRQ for this unit (note, this relies on the init call to - * ensure no current IRQs pending + * ensure no current IRQs pending */ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -910,7 +910,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) } i2c->irq = res; - + dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res, (unsigned long)res->start); -- cgit v0.10.2 From 8be310a6dea491b28f81672752d9d2c7fc25cdd3 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:10:25 +0000 Subject: i2c-s3c2410: Use platform data for gpio configuration Add a callback to set the gpio configuration for the i2c device instead of a set include. This also allows the remvoal of the machine gpio and hardware files. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index f5efece..0aa0142 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -35,11 +35,9 @@ #include #include -#include #include #include -#include #include #include @@ -489,9 +487,6 @@ static int s3c24xx_i2c_set_master(struct s3c24xx_i2c *i2c) msleep(1); } - dev_dbg(i2c->dev, "timeout: GPEDAT is %08x\n", - __raw_readl(S3C2410_GPEDAT)); - return -ETIMEDOUT; } @@ -783,12 +778,12 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) /* get the plafrom data */ - pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); + pdata = s3c24xx_i2c_get_platformdata(i2c->dev); /* inititalise the gpio */ - s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_IICSDA); - s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_IICSCL); + if (pdata->cfg_gpio) + pdata->cfg_gpio(to_platform_device(i2c->dev)); /* write slave address */ -- cgit v0.10.2 From 6a039cabba3ddd556643156ce0a7cd07da456b20 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:10:27 +0000 Subject: i2c-s3c2410: Remove default platform data. The platform data should now always be present when the device is initialised, so we can remove the default platform data in the driver. All the device initialisation points in the board specific code should already have been changed to initialise this as necessary. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 0aa0142..d6343e2 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -77,16 +77,7 @@ struct s3c24xx_i2c { #endif }; -/* default platform data to use if not supplied in the platform_device -*/ - -static struct s3c2410_platform_i2c s3c24xx_i2c_default_platform = { - .flags = 0, - .slave_addr = 0x10, - .bus_freq = 100*1000, - .max_freq = 400*1000, - .sda_delay = S3C2410_IICLC_SDA_DELAY5 | S3C2410_IICLC_FILTER_ON, -}; +/* default platform data removed, dev should always carry data. */ /* s3c24xx_i2c_is2440() * @@ -100,22 +91,6 @@ static inline int s3c24xx_i2c_is2440(struct s3c24xx_i2c *i2c) return !strcmp(pdev->name, "s3c2440-i2c"); } - -/* s3c24xx_i2c_get_platformdata - * - * get the platform data associated with the given device, or return - * the default if there is none -*/ - -static inline struct s3c2410_platform_i2c * -s3c24xx_i2c_get_platformdata(struct device *dev) -{ - if (dev->platform_data != NULL) - return (struct s3c2410_platform_i2c *)dev->platform_data; - - return &s3c24xx_i2c_default_platform; -} - /* s3c24xx_i2c_master_complete * * complete the message and wake up the caller, using the given return code, @@ -648,7 +623,7 @@ static inline int freq_acceptable(unsigned int freq, unsigned int wanted) static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) { - struct s3c2410_platform_i2c *pdata; + struct s3c2410_platform_i2c *pdata = i2c->dev->platform_data; unsigned long clkin = clk_get_rate(i2c->clk); unsigned int divs, div1; u32 iiccon; @@ -656,8 +631,6 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got) int start, end; i2c->clkrate = clkin; - - pdata = s3c24xx_i2c_get_platformdata(i2c->adap.dev.parent); clkin /= 1000; /* clkin now in KHz */ dev_dbg(i2c->dev, "pdata %p, freq %lu %lu..%lu\n", @@ -778,7 +751,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) /* get the plafrom data */ - pdata = s3c24xx_i2c_get_platformdata(i2c->dev); + pdata = i2c->dev->platform_data; /* inititalise the gpio */ @@ -829,7 +802,11 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) struct resource *res; int ret; - pdata = s3c24xx_i2c_get_platformdata(&pdev->dev); + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data\n"); + return -EINVAL; + } /* find the clock and enable it */ -- cgit v0.10.2 From 692acbd3a866a9f84e18a5980b3a97ca52e501b2 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:10:28 +0000 Subject: i2c-s3c2410: Allow more than one i2c-s3c2410 adapter Newer SoCs such as the S3C6410 have 2 instances of this i2c controller block in and thus require the ability to create two seperate busses from this. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index d6343e2..f14007f 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -559,19 +559,6 @@ static const struct i2c_algorithm s3c24xx_i2c_algorithm = { .functionality = s3c24xx_i2c_func, }; -static struct s3c24xx_i2c s3c24xx_i2c = { - .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_i2c.lock), - .wait = __WAIT_QUEUE_HEAD_INITIALIZER(s3c24xx_i2c.wait), - .tx_setup = 50, - .adap = { - .name = "s3c2410-i2c", - .owner = THIS_MODULE, - .algo = &s3c24xx_i2c_algorithm, - .retries = 2, - .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, - }, -}; - /* s3c24xx_i2c_calcdivisor * * return the divisor settings for a given frequency @@ -797,7 +784,7 @@ static int s3c24xx_i2c_init(struct s3c24xx_i2c *i2c) static int s3c24xx_i2c_probe(struct platform_device *pdev) { - struct s3c24xx_i2c *i2c = &s3c24xx_i2c; + struct s3c24xx_i2c *i2c; struct s3c2410_platform_i2c *pdata; struct resource *res; int ret; @@ -808,6 +795,22 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) return -EINVAL; } + i2c = kzalloc(sizeof(struct s3c24xx_i2c), GFP_KERNEL); + if (!i2c) { + dev_err(&pdev->dev, "no memory for state\n"); + return -ENOMEM; + } + + strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name)); + i2c->adap.owner = THIS_MODULE; + i2c->adap.algo = &s3c24xx_i2c_algorithm; + i2c->adap.retries = 2; + i2c->adap.class = I2C_CLASS_HWMON | I2C_CLASS_SPD; + i2c->tx_setup = 50; + + spin_lock_init(&i2c->lock); + init_waitqueue_head(&i2c->wait); + /* find the clock and enable it */ i2c->dev = &pdev->dev; @@ -929,6 +932,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) clk_put(i2c->clk); err_noclk: + kfree(i2c); return ret; } @@ -953,6 +957,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) release_resource(i2c->ioarea); kfree(i2c->ioarea); + kfree(i2c); return 0; } -- cgit v0.10.2 From e0d1ec97853fa09cf676dc6b51dafd35db12759e Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 31 Oct 2008 16:10:30 +0000 Subject: i2c-s3c2410: Change IRQ to be plain integer. Change the code to use a plain integer as the holder for the IRQ for the device and use platform_get_irq() to find it. This makes the code slightly neater, and easier to get the IRQ number. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index f14007f..2a0de64 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -61,6 +61,7 @@ struct s3c24xx_i2c { unsigned int msg_ptr; unsigned int tx_setup; + unsigned int irq; enum s3c24xx_i2c_state state; unsigned long clkrate; @@ -68,7 +69,6 @@ struct s3c24xx_i2c { void __iomem *regs; struct clk *clk; struct device *dev; - struct resource *irq; struct resource *ioarea; struct i2c_adapter adap; @@ -869,26 +869,20 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) * ensure no current IRQs pending */ - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { + i2c->irq = ret = platform_get_irq(pdev, 0); + if (ret <= 0) { dev_err(&pdev->dev, "cannot find IRQ\n"); - ret = -ENOENT; goto err_iomap; } - ret = request_irq(res->start, s3c24xx_i2c_irq, IRQF_DISABLED, - pdev->name, i2c); + ret = request_irq(i2c->irq, s3c24xx_i2c_irq, IRQF_DISABLED, + dev_name(&pdev->dev), i2c); if (ret != 0) { - dev_err(&pdev->dev, "cannot claim IRQ\n"); + dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); goto err_iomap; } - i2c->irq = res; - - dev_dbg(&pdev->dev, "irq resource %p (%lu)\n", res, - (unsigned long)res->start); - ret = s3c24xx_i2c_register_cpufreq(i2c); if (ret < 0) { dev_err(&pdev->dev, "failed to register cpufreq notifier\n"); @@ -918,7 +912,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) s3c24xx_i2c_deregister_cpufreq(i2c); err_irq: - free_irq(i2c->irq->start, i2c); + free_irq(i2c->irq, i2c); err_iomap: iounmap(i2c->regs); @@ -948,7 +942,7 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) s3c24xx_i2c_deregister_cpufreq(i2c); i2c_del_adapter(&i2c->adap); - free_irq(i2c->irq->start, i2c); + free_irq(i2c->irq, i2c); clk_disable(i2c->clk); clk_put(i2c->clk); -- cgit v0.10.2 From e355204ef70181d28544ebb65a64969340ef4822 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Tue, 16 Dec 2008 22:08:08 +0000 Subject: i2c-omap: fix type of irq handler function The probe function used a pointer to the interrupt handler to register as a 'void *', change it to the proper type of irq_handler_t. Signed-off-by: Ben Dooks diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 96f3bed..be8ee2c 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -772,7 +772,7 @@ omap_i2c_probe(struct platform_device *pdev) struct omap_i2c_dev *dev; struct i2c_adapter *adap; struct resource *mem, *irq, *ioarea; - void *isr; + irq_handler_t isr; int r; u32 speed = 0; -- cgit v0.10.2 From d6d7b702a3a1ca50f7ca2bebaa79c80425156bac Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 12 Nov 2008 16:49:48 -0600 Subject: dlm: fix up memory allocation flags Use ls_allocation for memory allocations, which a cluster fs sets to GFP_NOFS. Use GFP_NOFS for allocations when no lockspace struct is available. Taking dlm locks needs to avoid calling back into the cluster fs because write-out can require taking dlm locks. Cc: Christine Caulfield Signed-off-by: Steven Whitehouse Signed-off-by: David Teigland diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 3962262..1e72031 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -295,6 +295,7 @@ static int add_sock(struct socket *sock, struct connection *con) con->sock->sk->sk_write_space = lowcomms_write_space; con->sock->sk->sk_state_change = lowcomms_state_change; con->sock->sk->sk_user_data = con; + con->sock->sk->sk_allocation = GFP_NOFS; return 0; } diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 54c14c6..c1775b8 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -39,7 +39,7 @@ char *dlm_allocate_lvb(struct dlm_ls *ls) { char *p; - p = kzalloc(ls->ls_lvblen, GFP_KERNEL); + p = kzalloc(ls->ls_lvblen, ls->ls_allocation); return p; } @@ -57,7 +57,7 @@ struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen) DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,); - r = kzalloc(sizeof(*r) + namelen, GFP_KERNEL); + r = kzalloc(sizeof(*r) + namelen, ls->ls_allocation); return r; } @@ -72,7 +72,7 @@ struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls) { struct dlm_lkb *lkb; - lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL); + lkb = kmem_cache_zalloc(lkb_cache, ls->ls_allocation); return lkb; } diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index 07ac709..f3396c6 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -112,7 +112,7 @@ int dlm_process_incoming_buffer(int nodeid, const void *base, ordinary messages). */ if (msglen > sizeof(__tmp) && p == &__tmp.p) { - p = kmalloc(dlm_config.ci_buffer_size, GFP_KERNEL); + p = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); if (p == NULL) return ret; } -- cgit v0.10.2 From cd8e4679bdcf9b54564f2cda2389bd0f0457e12d Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 12 Nov 2008 16:28:43 -0600 Subject: dlm: trivial annotation of be16 value fs/dlm/dir.c:419:14: warning: incorrect type in assignment (different base types) fs/dlm/dir.c:419:14: expected unsigned short [unsigned] [addressable] [assigned] [usertype] be_namelen fs/dlm/dir.c:419:14: got restricted __be16 [usertype] Signed-off-by: Harvey Harrison Signed-off-by: David Teigland diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c index 85defeb..92969f8 100644 --- a/fs/dlm/dir.c +++ b/fs/dlm/dir.c @@ -374,7 +374,7 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, struct list_head *list; struct dlm_rsb *r; int offset = 0, dir_nodeid; - uint16_t be_namelen; + __be16 be_namelen; down_read(&ls->ls_root_sem); @@ -410,15 +410,15 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, if (offset + sizeof(uint16_t)*2 + r->res_length > outlen) { /* Write end-of-block record */ - be_namelen = 0; - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + be_namelen = cpu_to_be16(0); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); goto out; } be_namelen = cpu_to_be16(r->res_length); - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); memcpy(outbuf + offset, r->res_name, r->res_length); offset += r->res_length; } @@ -430,9 +430,9 @@ void dlm_copy_master_names(struct dlm_ls *ls, char *inbuf, int inlen, if ((list == &ls->ls_root_list) && (offset + sizeof(uint16_t) <= outlen)) { - be_namelen = 0xFFFF; - memcpy(outbuf + offset, &be_namelen, sizeof(uint16_t)); - offset += sizeof(uint16_t); + be_namelen = cpu_to_be16(0xFFFF); + memcpy(outbuf + offset, &be_namelen, sizeof(__be16)); + offset += sizeof(__be16); } out: -- cgit v0.10.2 From 1521848cbb42935a52d11305c054b14461ad061c Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 12 Nov 2008 17:00:16 -0600 Subject: dlm: remove kmap/kunmap The pages used in lowcomms are not highmem, so kmap is not necessary. Cc: Christine Caulfield Signed-off-by: Steven Whitehouse Signed-off-by: David Teigland diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 1e72031..103a5eb 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -824,7 +824,6 @@ static void sctp_init_assoc(struct connection *con) len = e->len; offset = e->offset; spin_unlock(&con->writequeue_lock); - kmap(e->page); /* Send the first block off the write queue */ iov[0].iov_base = page_address(e->page)+offset; @@ -855,7 +854,6 @@ static void sctp_init_assoc(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); } spin_unlock(&con->writequeue_lock); @@ -1204,8 +1202,6 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc) if (e) { got_one: - if (users == 0) - kmap(e->page); *ppc = page_address(e->page) + offset; return e; } @@ -1234,7 +1230,6 @@ void dlm_lowcomms_commit_buffer(void *mh) if (users) goto out; e->len = e->end - e->offset; - kunmap(e->page); spin_unlock(&con->writequeue_lock); if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) { @@ -1273,7 +1268,6 @@ static void send_to_sock(struct connection *con) offset = e->offset; BUG_ON(len == 0 && e->users == 0); spin_unlock(&con->writequeue_lock); - kmap(e->page); ret = 0; if (len) { @@ -1295,7 +1289,6 @@ static void send_to_sock(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); continue; } -- cgit v0.10.2 From d61e9aac96317a43c192f1faabfa95d4d675b7ce Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 10 Dec 2008 09:31:02 -0600 Subject: dlm: replace schedule with cond_resched This is a one-liner to use cond_resched() rather than schedule() in the ast delivery loop. It should not be necessary to schedule every time, so this will save some cpu time while continuing to allow scheduling when required. Signed-off-by: Steven Whitehouse Signed-off-by: David Teigland diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 8bf31e3..30c11f3 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -101,7 +101,7 @@ static void process_asts(void) and may result in the lkb being freed */ dlm_put_lkb(lkb); - schedule(); + cond_resched(); } } -- cgit v0.10.2 From 03339696314fffb95dafb349b84243358e945ce6 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Mon, 8 Dec 2008 17:14:10 -0600 Subject: dlm: remove extra blocking callback check Just before delivering a blocking callback (bast), the dlm_astd thread checks again that the granted mode of the lkb actually blocks the mode requested by the bast. The idea behind this was originally that the granted mode may have changed since the bast was queued, making the callback now unnecessary. Reasons for removing this extra check are: - dlm_astd doesn't lock the rsb before reading the lkb grmode, so it's not technically safe (this removes the long standing FIXME) - after running some tests, it doesn't appear the check ever actually eliminates a bast - delivering an unnecessary blocking callback isn't a bad thing and can happen anyway Signed-off-by: David Teigland diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 30c11f3..09b167d 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -89,13 +89,8 @@ static void process_asts(void) if ((type & AST_COMP) && cast) cast(lkb->lkb_astparam); - /* FIXME: Is it safe to look at lkb_grmode here - without doing a lock_rsb() ? - Look at other checks in v1 to avoid basts. */ - if ((type & AST_BAST) && bast) - if (!dlm_modes_compat(lkb->lkb_grmode, bmode)) - bast(lkb->lkb_astparam, bmode); + bast(lkb->lkb_astparam, bmode); /* this removes the reference added by dlm_add_ast and may result in the lkb being freed */ -- cgit v0.10.2 From fd22a51bcc0b7b76fc729b02316214fd979f9fe1 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Tue, 9 Dec 2008 11:55:46 -0600 Subject: dlm: improve how bast mode handling The lkb bastmode value is set in the context of processing the lock, and read by the dlm_astd thread. Because it's accessed in these two separate contexts, the writing/reading ought to be done under a lock. This is simple to do by setting it and reading it when the lkb is added to and removed from dlm_astd's callback list which is properly locked. Signed-off-by: David Teigland diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index 09b167d..fbe840d 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -2,7 +2,7 @@ ******************************************************************************* ** ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. -** Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -33,10 +33,10 @@ void dlm_del_ast(struct dlm_lkb *lkb) spin_unlock(&ast_queue_lock); } -void dlm_add_ast(struct dlm_lkb *lkb, int type) +void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode) { if (lkb->lkb_flags & DLM_IFL_USER) { - dlm_user_add_ast(lkb, type); + dlm_user_add_ast(lkb, type, bastmode); return; } @@ -46,6 +46,8 @@ void dlm_add_ast(struct dlm_lkb *lkb, int type) list_add_tail(&lkb->lkb_astqueue, &ast_queue); } lkb->lkb_ast_type |= type; + if (bastmode) + lkb->lkb_bastmode = bastmode; spin_unlock(&ast_queue_lock); set_bit(WAKE_ASTS, &astd_wakeflags); @@ -59,7 +61,7 @@ static void process_asts(void) struct dlm_lkb *lkb; void (*cast) (void *astparam); void (*bast) (void *astparam, int mode); - int type = 0, found, bmode; + int type = 0, found, bastmode; for (;;) { found = 0; @@ -74,6 +76,7 @@ static void process_asts(void) list_del(&lkb->lkb_astqueue); type = lkb->lkb_ast_type; lkb->lkb_ast_type = 0; + bastmode = lkb->lkb_bastmode; found = 1; break; } @@ -84,13 +87,12 @@ static void process_asts(void) cast = lkb->lkb_astfn; bast = lkb->lkb_bastfn; - bmode = lkb->lkb_bastmode; if ((type & AST_COMP) && cast) cast(lkb->lkb_astparam); if ((type & AST_BAST) && bast) - bast(lkb->lkb_astparam, bmode); + bast(lkb->lkb_astparam, bastmode); /* this removes the reference added by dlm_add_ast and may result in the lkb being freed */ diff --git a/fs/dlm/ast.h b/fs/dlm/ast.h index 6ee276c..1b5fc5f 100644 --- a/fs/dlm/ast.h +++ b/fs/dlm/ast.h @@ -1,7 +1,7 @@ /****************************************************************************** ******************************************************************************* ** -** Copyright (C) 2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -13,7 +13,7 @@ #ifndef __ASTD_DOT_H__ #define __ASTD_DOT_H__ -void dlm_add_ast(struct dlm_lkb *lkb, int type); +void dlm_add_ast(struct dlm_lkb *lkb, int type, int bastmode); void dlm_del_ast(struct dlm_lkb *lkb); void dlm_astd_wake(void); diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 724ddac..7b758da 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -307,7 +307,7 @@ static void queue_cast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rv) lkb->lkb_lksb->sb_status = rv; lkb->lkb_lksb->sb_flags = lkb->lkb_sbflags; - dlm_add_ast(lkb, AST_COMP); + dlm_add_ast(lkb, AST_COMP, 0); } static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) @@ -320,10 +320,8 @@ static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) { if (is_master_copy(lkb)) send_bast(r, lkb, rqmode); - else { - lkb->lkb_bastmode = rqmode; - dlm_add_ast(lkb, AST_BAST); - } + else + dlm_add_ast(lkb, AST_BAST, rqmode); } /* diff --git a/fs/dlm/user.c b/fs/dlm/user.c index b3832c6..065149e 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -175,7 +175,7 @@ static int lkb_is_endoflife(struct dlm_lkb *lkb, int sb_status, int type) /* we could possibly check if the cancel of an orphan has resulted in the lkb being removed and then remove that lkb from the orphans list and free it */ -void dlm_user_add_ast(struct dlm_lkb *lkb, int type) +void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode) { struct dlm_ls *ls; struct dlm_user_args *ua; @@ -208,6 +208,8 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, int type) ast_type = lkb->lkb_ast_type; lkb->lkb_ast_type |= type; + if (bastmode) + lkb->lkb_bastmode = bastmode; if (!ast_type) { kref_get(&lkb->lkb_ref); diff --git a/fs/dlm/user.h b/fs/dlm/user.h index 35eb6a1..1c96864 100644 --- a/fs/dlm/user.h +++ b/fs/dlm/user.h @@ -9,7 +9,7 @@ #ifndef __USER_DOT_H__ #define __USER_DOT_H__ -void dlm_user_add_ast(struct dlm_lkb *lkb, int type); +void dlm_user_add_ast(struct dlm_lkb *lkb, int type, int bastmode); int dlm_user_init(void); void dlm_user_exit(void); int dlm_device_deregister(struct dlm_ls *ls); -- cgit v0.10.2 From eeda418d8c2646f33f24e9ad33d86c239adc6de7 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Tue, 9 Dec 2008 14:12:21 -0600 Subject: dlm: change lock time stamping Use ktime instead of jiffies for timestamping lkb's. Also stamp the time on every lkb whenever it's added to a resource queue, instead of just stamping locks subject to timeouts. This will allow us to use timestamps more widely for debugging all locks. Signed-off-by: David Teigland diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 8fc24f4..19e4f9e 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -162,21 +162,21 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r) { - unsigned int waiting = 0; - uint64_t xid = 0; + u64 xid = 0; + u64 us; if (lkb->lkb_flags & DLM_IFL_USER) { if (lkb->lkb_ua) xid = lkb->lkb_ua->xid; } - if (lkb->lkb_timestamp) - waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp); + /* microseconds since lkb was added to current queue */ + us = ktime_to_us(ktime_sub(ktime_get(), lkb->lkb_timestamp)); - /* id nodeid remid pid xid exflags flags sts grmode rqmode time_ms + /* id nodeid remid pid xid exflags flags sts grmode rqmode time_us r_nodeid r_len r_name */ - seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %u %u %d \"%s\"\n", + seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n", lkb->lkb_id, lkb->lkb_nodeid, lkb->lkb_remid, @@ -187,7 +187,7 @@ static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb * lkb->lkb_status, lkb->lkb_grmode, lkb->lkb_rqmode, - waiting, + (unsigned long long)us, r->res_nodeid, r->res_length, r->res_name); diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 868e4c9..e69135c 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -245,7 +245,7 @@ struct dlm_lkb { struct list_head lkb_astqueue; /* need ast to be sent */ struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; - unsigned long lkb_timestamp; + ktime_t lkb_timestamp; unsigned long lkb_timeout_cs; char *lkb_lvbptr; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 7b758da..dfc57ae 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -742,6 +742,8 @@ static void add_lkb(struct dlm_rsb *r, struct dlm_lkb *lkb, int status) DLM_ASSERT(!lkb->lkb_status, dlm_print_lkb(lkb);); + lkb->lkb_timestamp = ktime_get(); + lkb->lkb_status = status; switch (status) { @@ -1011,10 +1013,8 @@ static void add_timeout(struct dlm_lkb *lkb) { struct dlm_ls *ls = lkb->lkb_resource->res_ls; - if (is_master_copy(lkb)) { - lkb->lkb_timestamp = jiffies; + if (is_master_copy(lkb)) return; - } if (test_bit(LSFL_TIMEWARN, &ls->ls_flags) && !(lkb->lkb_exflags & DLM_LKF_NODLCKWT)) { @@ -1029,7 +1029,6 @@ static void add_timeout(struct dlm_lkb *lkb) DLM_ASSERT(list_empty(&lkb->lkb_time_list), dlm_print_lkb(lkb);); mutex_lock(&ls->ls_timeout_mutex); hold_lkb(lkb); - lkb->lkb_timestamp = jiffies; list_add_tail(&lkb->lkb_time_list, &ls->ls_timeout); mutex_unlock(&ls->ls_timeout_mutex); } @@ -1057,6 +1056,7 @@ void dlm_scan_timeout(struct dlm_ls *ls) struct dlm_rsb *r; struct dlm_lkb *lkb; int do_cancel, do_warn; + s64 wait_us; for (;;) { if (dlm_locking_stopped(ls)) @@ -1067,14 +1067,15 @@ void dlm_scan_timeout(struct dlm_ls *ls) mutex_lock(&ls->ls_timeout_mutex); list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) { + wait_us = ktime_to_us(ktime_sub(ktime_get(), + lkb->lkb_timestamp)); + if ((lkb->lkb_exflags & DLM_LKF_TIMEOUT) && - time_after_eq(jiffies, lkb->lkb_timestamp + - lkb->lkb_timeout_cs * HZ/100)) + wait_us >= (lkb->lkb_timeout_cs * 10000)) do_cancel = 1; if ((lkb->lkb_flags & DLM_IFL_WATCH_TIMEWARN) && - time_after_eq(jiffies, lkb->lkb_timestamp + - dlm_config.ci_timewarn_cs * HZ/100)) + wait_us >= dlm_config.ci_timewarn_cs * 10000) do_warn = 1; if (!do_cancel && !do_warn) @@ -1120,12 +1121,12 @@ void dlm_scan_timeout(struct dlm_ls *ls) void dlm_adjust_timeouts(struct dlm_ls *ls) { struct dlm_lkb *lkb; - long adj = jiffies - ls->ls_recover_begin; + u64 adj_us = jiffies_to_usecs(jiffies - ls->ls_recover_begin); ls->ls_recover_begin = 0; mutex_lock(&ls->ls_timeout_mutex); list_for_each_entry(lkb, &ls->ls_timeout, lkb_time_list) - lkb->lkb_timestamp += adj; + lkb->lkb_timestamp = ktime_add_us(lkb->lkb_timestamp, adj_us); mutex_unlock(&ls->ls_timeout_mutex); } diff --git a/fs/dlm/netlink.c b/fs/dlm/netlink.c index 18bda83..46e582c 100644 --- a/fs/dlm/netlink.c +++ b/fs/dlm/netlink.c @@ -115,7 +115,6 @@ static void fill_data(struct dlm_lock_data *data, struct dlm_lkb *lkb) data->status = lkb->lkb_status; data->grmode = lkb->lkb_grmode; data->rqmode = lkb->lkb_rqmode; - data->timestamp = lkb->lkb_timestamp; if (lkb->lkb_ua) data->xid = lkb->lkb_ua->xid; if (r) { -- cgit v0.10.2 From e3a84ad495d1fddb542e0922160f0194a1361950 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Tue, 9 Dec 2008 14:47:29 -0600 Subject: dlm: add time stamp of blocking callback Record the time the latest blocking callback was queued for a lock. This will be used for debugging in combination with lock queue timestamp changes in the previous patch. Signed-off-by: David Teigland diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index e69135c..0c48829 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -245,6 +245,7 @@ struct dlm_lkb { struct list_head lkb_astqueue; /* need ast to be sent */ struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; + ktime_t lkb_time_bast; /* for debugging */ ktime_t lkb_timestamp; unsigned long lkb_timeout_cs; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index dfc57ae..6cfe65b 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -318,6 +318,8 @@ static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) { + lkb->lkb_time_bast = ktime_get(); + if (is_master_copy(lkb)) send_bast(r, lkb, rqmode); else -- cgit v0.10.2 From d022509d1c54be4918e7fc8f1195ee8c392e9a57 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Tue, 16 Dec 2008 14:53:23 -0600 Subject: dlm: add new debugfs entry The new debugfs entry dumps all rsb and lkb structures, and includes a lot more information than has been available before. This includes the new timestamps added by a previous patch for debugging callback issues. Signed-off-by: David Teigland diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 19e4f9e..2f107d1 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -1,7 +1,7 @@ /****************************************************************************** ******************************************************************************* ** -** Copyright (C) 2005 Red Hat, Inc. All rights reserved. +** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved. ** ** This copyrighted material is made available to anyone wishing to use, ** modify, copy, or redistribute it subject to the terms and conditions @@ -27,7 +27,7 @@ static struct dentry *dlm_root; struct rsb_iter { int entry; - int locks; + int format; int header; struct dlm_ls *ls; struct list_head *next; @@ -60,8 +60,8 @@ static char *print_lockmode(int mode) } } -static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb, - struct dlm_rsb *res) +static void print_format1_lock(struct seq_file *s, struct dlm_lkb *lkb, + struct dlm_rsb *res) { seq_printf(s, "%08x %s", lkb->lkb_id, print_lockmode(lkb->lkb_grmode)); @@ -83,7 +83,7 @@ static void print_resource_lock(struct seq_file *s, struct dlm_lkb *lkb, seq_printf(s, "\n"); } -static int print_resource(struct dlm_rsb *res, struct seq_file *s) +static int print_format1(struct dlm_rsb *res, struct seq_file *s) { struct dlm_lkb *lkb; int i, lvblen = res->res_ls->ls_lvblen, recover_list, root_list; @@ -134,15 +134,15 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) /* Print the locks attached to this resource */ seq_printf(s, "Granted Queue\n"); list_for_each_entry(lkb, &res->res_grantqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); seq_printf(s, "Conversion Queue\n"); list_for_each_entry(lkb, &res->res_convertqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); seq_printf(s, "Waiting Queue\n"); list_for_each_entry(lkb, &res->res_waitqueue, lkb_statequeue) - print_resource_lock(s, lkb, res); + print_format1_lock(s, lkb, res); if (list_empty(&res->res_lookup)) goto out; @@ -160,7 +160,8 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s) return 0; } -static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r) +static void print_format2_lock(struct seq_file *s, struct dlm_lkb *lkb, + struct dlm_rsb *r) { u64 xid = 0; u64 us; @@ -193,20 +194,108 @@ static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb * r->res_name); } -static int print_locks(struct dlm_rsb *r, struct seq_file *s) +static int print_format2(struct dlm_rsb *r, struct seq_file *s) { struct dlm_lkb *lkb; lock_rsb(r); list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) - print_lock(s, lkb, r); + print_format2_lock(s, lkb, r); + + unlock_rsb(r); + return 0; +} + +static void print_format3_lock(struct seq_file *s, struct dlm_lkb *lkb, + int rsb_lookup) +{ + u64 xid = 0; + + if (lkb->lkb_flags & DLM_IFL_USER) { + if (lkb->lkb_ua) + xid = lkb->lkb_ua->xid; + } + + seq_printf(s, "lkb %x %d %x %u %llu %x %x %d %d %d %d %d %d %u %llu %llu\n", + lkb->lkb_id, + lkb->lkb_nodeid, + lkb->lkb_remid, + lkb->lkb_ownpid, + (unsigned long long)xid, + lkb->lkb_exflags, + lkb->lkb_flags, + lkb->lkb_status, + lkb->lkb_grmode, + lkb->lkb_rqmode, + lkb->lkb_highbast, + rsb_lookup, + lkb->lkb_wait_type, + lkb->lkb_lvbseq, + (unsigned long long)ktime_to_ns(lkb->lkb_timestamp), + (unsigned long long)ktime_to_ns(lkb->lkb_time_bast)); +} + +static int print_format3(struct dlm_rsb *r, struct seq_file *s) +{ + struct dlm_lkb *lkb; + int i, lvblen = r->res_ls->ls_lvblen; + int print_name = 1; + + lock_rsb(r); + + seq_printf(s, "rsb %p %d %x %lx %d %d %u %d ", + r, + r->res_nodeid, + r->res_first_lkid, + r->res_flags, + !list_empty(&r->res_root_list), + !list_empty(&r->res_recover_list), + r->res_recover_locks_count, + r->res_length); + + for (i = 0; i < r->res_length; i++) { + if (!isascii(r->res_name[i]) || !isprint(r->res_name[i])) + print_name = 0; + } + + seq_printf(s, "%s", print_name ? "str " : "hex"); + + for (i = 0; i < r->res_length; i++) { + if (print_name) + seq_printf(s, "%c", r->res_name[i]); + else + seq_printf(s, " %02x", (unsigned char)r->res_name[i]); + } + seq_printf(s, "\n"); + + if (!r->res_lvbptr) + goto do_locks; + + seq_printf(s, "lvb %u %d", r->res_lvbseq, lvblen); + + for (i = 0; i < lvblen; i++) + seq_printf(s, " %02x", (unsigned char)r->res_lvbptr[i]); + seq_printf(s, "\n"); + + do_locks: + list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue) + print_format3_lock(s, lkb, 0); + + list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup) + print_format3_lock(s, lkb, 1); unlock_rsb(r); return 0; @@ -231,7 +320,7 @@ static int rsb_iter_next(struct rsb_iter *ri) break; } read_unlock(&ls->ls_rsbtbl[i].lock); - } + } ri->entry = i; if (ri->entry >= ls->ls_rsbtbl_size) @@ -248,7 +337,7 @@ static int rsb_iter_next(struct rsb_iter *ri) read_unlock(&ls->ls_rsbtbl[i].lock); dlm_put_rsb(old); goto top; - } + } ri->rsb = list_entry(ri->next, struct dlm_rsb, res_hashchain); dlm_hold_rsb(ri->rsb); read_unlock(&ls->ls_rsbtbl[i].lock); @@ -274,6 +363,7 @@ static struct rsb_iter *rsb_iter_init(struct dlm_ls *ls) ri->ls = ls; ri->entry = 0; ri->next = NULL; + ri->format = 1; if (rsb_iter_next(ri)) { rsb_iter_free(ri); @@ -325,16 +415,26 @@ static int rsb_seq_show(struct seq_file *file, void *iter_ptr) { struct rsb_iter *ri = iter_ptr; - if (ri->locks) { + switch (ri->format) { + case 1: + print_format1(ri->rsb, file); + break; + case 2: if (ri->header) { - seq_printf(file, "id nodeid remid pid xid exflags flags " - "sts grmode rqmode time_ms r_nodeid " - "r_len r_name\n"); + seq_printf(file, "id nodeid remid pid xid exflags " + "flags sts grmode rqmode time_ms " + "r_nodeid r_len r_name\n"); ri->header = 0; } - print_locks(ri->rsb, file); - } else { - print_resource(ri->rsb, file); + print_format2(ri->rsb, file); + break; + case 3: + if (ri->header) { + seq_printf(file, "version rsb 1.1 lvb 1.1 lkb 1.1\n"); + ri->header = 0; + } + print_format3(ri->rsb, file); + break; } return 0; @@ -385,7 +485,7 @@ static struct rsb_iter *locks_iter_init(struct dlm_ls *ls, loff_t *pos) ri->ls = ls; ri->entry = 0; ri->next = NULL; - ri->locks = 1; + ri->format = 2; if (*pos == 0) ri->header = 1; @@ -448,6 +548,84 @@ static const struct file_operations locks_fops = { }; /* + * Dump all rsb/lvb/lkb state in compact listing, more complete than _locks + * This can replace both formats 1 and 2 eventually. + */ + +static struct rsb_iter *all_iter_init(struct dlm_ls *ls, loff_t *pos) +{ + struct rsb_iter *ri; + + ri = kzalloc(sizeof *ri, GFP_KERNEL); + if (!ri) + return NULL; + + ri->ls = ls; + ri->entry = 0; + ri->next = NULL; + ri->format = 3; + + if (*pos == 0) + ri->header = 1; + + if (rsb_iter_next(ri)) { + rsb_iter_free(ri); + return NULL; + } + + return ri; +} + +static void *all_seq_start(struct seq_file *file, loff_t *pos) +{ + struct rsb_iter *ri; + loff_t n = *pos; + + ri = all_iter_init(file->private, pos); + if (!ri) + return NULL; + + while (n--) { + if (rsb_iter_next(ri)) { + rsb_iter_free(ri); + return NULL; + } + } + + return ri; +} + +static struct seq_operations all_seq_ops = { + .start = all_seq_start, + .next = rsb_seq_next, + .stop = rsb_seq_stop, + .show = rsb_seq_show, +}; + +static int all_open(struct inode *inode, struct file *file) +{ + struct seq_file *seq; + int ret; + + ret = seq_open(file, &all_seq_ops); + if (ret) + return ret; + + seq = file->private_data; + seq->private = inode->i_private; + + return 0; +} + +static const struct file_operations all_fops = { + .owner = THIS_MODULE, + .open = all_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release +}; + +/* * dump lkb's on the ls_waiters list */ @@ -489,30 +667,33 @@ static const struct file_operations waiters_fops = { .read = waiters_read }; +void dlm_delete_debug_file(struct dlm_ls *ls) +{ + if (ls->ls_debug_rsb_dentry) + debugfs_remove(ls->ls_debug_rsb_dentry); + if (ls->ls_debug_waiters_dentry) + debugfs_remove(ls->ls_debug_waiters_dentry); + if (ls->ls_debug_locks_dentry) + debugfs_remove(ls->ls_debug_locks_dentry); + if (ls->ls_debug_all_dentry) + debugfs_remove(ls->ls_debug_all_dentry); +} + int dlm_create_debug_file(struct dlm_ls *ls) { char name[DLM_LOCKSPACE_LEN+8]; + /* format 1 */ + ls->ls_debug_rsb_dentry = debugfs_create_file(ls->ls_name, S_IFREG | S_IRUGO, dlm_root, ls, &rsb_fops); if (!ls->ls_debug_rsb_dentry) - return -ENOMEM; + goto fail; - memset(name, 0, sizeof(name)); - snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name); - - ls->ls_debug_waiters_dentry = debugfs_create_file(name, - S_IFREG | S_IRUGO, - dlm_root, - ls, - &waiters_fops); - if (!ls->ls_debug_waiters_dentry) { - debugfs_remove(ls->ls_debug_rsb_dentry); - return -ENOMEM; - } + /* format 2 */ memset(name, 0, sizeof(name)); snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_locks", ls->ls_name); @@ -522,23 +703,38 @@ int dlm_create_debug_file(struct dlm_ls *ls) dlm_root, ls, &locks_fops); - if (!ls->ls_debug_locks_dentry) { - debugfs_remove(ls->ls_debug_waiters_dentry); - debugfs_remove(ls->ls_debug_rsb_dentry); - return -ENOMEM; - } + if (!ls->ls_debug_locks_dentry) + goto fail; + + /* format 3 */ + + memset(name, 0, sizeof(name)); + snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_all", ls->ls_name); + + ls->ls_debug_all_dentry = debugfs_create_file(name, + S_IFREG | S_IRUGO, + dlm_root, + ls, + &all_fops); + if (!ls->ls_debug_all_dentry) + goto fail; + + memset(name, 0, sizeof(name)); + snprintf(name, DLM_LOCKSPACE_LEN+8, "%s_waiters", ls->ls_name); + + ls->ls_debug_waiters_dentry = debugfs_create_file(name, + S_IFREG | S_IRUGO, + dlm_root, + ls, + &waiters_fops); + if (!ls->ls_debug_waiters_dentry) + goto fail; return 0; -} -void dlm_delete_debug_file(struct dlm_ls *ls) -{ - if (ls->ls_debug_rsb_dentry) - debugfs_remove(ls->ls_debug_rsb_dentry); - if (ls->ls_debug_waiters_dentry) - debugfs_remove(ls->ls_debug_waiters_dentry); - if (ls->ls_debug_locks_dentry) - debugfs_remove(ls->ls_debug_locks_dentry); + fail: + dlm_delete_debug_file(ls); + return -ENOMEM; } int __init dlm_register_debugfs(void) diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index 0c48829..ef2f1e3 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -482,6 +482,7 @@ struct dlm_ls { struct dentry *ls_debug_rsb_dentry; /* debugfs */ struct dentry *ls_debug_waiters_dentry; /* debugfs */ struct dentry *ls_debug_locks_dentry; /* debugfs */ + struct dentry *ls_debug_all_dentry; /* debugfs */ wait_queue_head_t ls_uevent_wait; /* user part of join/leave */ int ls_uevent_result; -- cgit v0.10.2 From 722d74219ea21223c74e5e894b0afcc5e4ca75a7 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Tue, 23 Dec 2008 10:22:56 -0600 Subject: dlm: fs/dlm/ast.c: fix warning fs/dlm/ast.c: In function 'dlm_astd': fs/dlm/ast.c:64: warning: 'bastmode' may be used uninitialized in this function Cleans code up. Signed-off-by: Andrew Morton Signed-off-by: David Teigland diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c index fbe840d..dc2ad60 100644 --- a/fs/dlm/ast.c +++ b/fs/dlm/ast.c @@ -61,30 +61,23 @@ static void process_asts(void) struct dlm_lkb *lkb; void (*cast) (void *astparam); void (*bast) (void *astparam, int mode); - int type = 0, found, bastmode; - - for (;;) { - found = 0; - spin_lock(&ast_queue_lock); - list_for_each_entry(lkb, &ast_queue, lkb_astqueue) { - r = lkb->lkb_resource; - ls = r->res_ls; - - if (dlm_locking_stopped(ls)) - continue; - - list_del(&lkb->lkb_astqueue); - type = lkb->lkb_ast_type; - lkb->lkb_ast_type = 0; - bastmode = lkb->lkb_bastmode; - found = 1; - break; - } - spin_unlock(&ast_queue_lock); + int type = 0, bastmode; + +repeat: + spin_lock(&ast_queue_lock); + list_for_each_entry(lkb, &ast_queue, lkb_astqueue) { + r = lkb->lkb_resource; + ls = r->res_ls; - if (!found) - break; + if (dlm_locking_stopped(ls)) + continue; + list_del(&lkb->lkb_astqueue); + type = lkb->lkb_ast_type; + lkb->lkb_ast_type = 0; + bastmode = lkb->lkb_bastmode; + + spin_unlock(&ast_queue_lock); cast = lkb->lkb_astfn; bast = lkb->lkb_bastfn; @@ -99,7 +92,9 @@ static void process_asts(void) dlm_put_lkb(lkb); cond_resched(); + goto repeat; } + spin_unlock(&ast_queue_lock); } static inline int no_asts(void) -- cgit v0.10.2 From ea319518ba3de282c13ae1cf4bf2215c5e03e67e Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 26 Dec 2008 15:08:55 +0100 Subject: locking, percpu counters: introduce separate lock classes Impact: fix lockdep false positives Classify percpu_counter instances similar to regular lock objects -- that is, per instantiation site. The networking code has increased its use of percpu_counters, which leads to false positives if they are treated as a single class. Signed-off-by: Peter Zijlstra Signed-off-by: Ingo Molnar diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index 9007ccd..96bdde3 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -30,8 +30,16 @@ struct percpu_counter { #define FBC_BATCH (NR_CPUS*4) #endif -int percpu_counter_init(struct percpu_counter *fbc, s64 amount); -int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount); +int __percpu_counter_init(struct percpu_counter *fbc, s64 amount, + struct lock_class_key *key); + +#define percpu_counter_init(fbc, value) \ + ({ \ + static struct lock_class_key __key; \ + \ + __percpu_counter_init(fbc, value, &__key); \ + }) + void percpu_counter_destroy(struct percpu_counter *fbc); void percpu_counter_set(struct percpu_counter *fbc, s64 amount); void __percpu_counter_add(struct percpu_counter *fbc, s64 amount, s32 batch); @@ -85,8 +93,6 @@ static inline int percpu_counter_init(struct percpu_counter *fbc, s64 amount) return 0; } -#define percpu_counter_init_irq percpu_counter_init - static inline void percpu_counter_destroy(struct percpu_counter *fbc) { } diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index a866389..c7fe2e4 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -71,11 +71,11 @@ s64 __percpu_counter_sum(struct percpu_counter *fbc) } EXPORT_SYMBOL(__percpu_counter_sum); -static struct lock_class_key percpu_counter_irqsafe; - -int percpu_counter_init(struct percpu_counter *fbc, s64 amount) +int __percpu_counter_init(struct percpu_counter *fbc, s64 amount, + struct lock_class_key *key) { spin_lock_init(&fbc->lock); + lockdep_set_class(&fbc->lock, key); fbc->count = amount; fbc->counters = alloc_percpu(s32); if (!fbc->counters) @@ -87,17 +87,7 @@ int percpu_counter_init(struct percpu_counter *fbc, s64 amount) #endif return 0; } -EXPORT_SYMBOL(percpu_counter_init); - -int percpu_counter_init_irq(struct percpu_counter *fbc, s64 amount) -{ - int err; - - err = percpu_counter_init(fbc, amount); - if (!err) - lockdep_set_class(&fbc->lock, &percpu_counter_irqsafe); - return err; -} +EXPORT_SYMBOL(__percpu_counter_init); void percpu_counter_destroy(struct percpu_counter *fbc) { diff --git a/lib/proportions.c b/lib/proportions.c index 4f387a6..7367f2b 100644 --- a/lib/proportions.c +++ b/lib/proportions.c @@ -83,11 +83,11 @@ int prop_descriptor_init(struct prop_descriptor *pd, int shift) pd->index = 0; pd->pg[0].shift = shift; mutex_init(&pd->mutex); - err = percpu_counter_init_irq(&pd->pg[0].events, 0); + err = percpu_counter_init(&pd->pg[0].events, 0); if (err) goto out; - err = percpu_counter_init_irq(&pd->pg[1].events, 0); + err = percpu_counter_init(&pd->pg[1].events, 0); if (err) percpu_counter_destroy(&pd->pg[0].events); @@ -191,7 +191,7 @@ int prop_local_init_percpu(struct prop_local_percpu *pl) spin_lock_init(&pl->lock); pl->shift = 0; pl->period = 0; - return percpu_counter_init_irq(&pl->events, 0); + return percpu_counter_init(&pl->events, 0); } void prop_local_destroy_percpu(struct prop_local_percpu *pl) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index f2e574d..f3b1258 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -220,7 +220,7 @@ int bdi_init(struct backing_dev_info *bdi) bdi->max_prop_frac = PROP_FRAC_BASE; for (i = 0; i < NR_BDI_STAT_ITEMS; i++) { - err = percpu_counter_init_irq(&bdi->bdi_stat[i], 0); + err = percpu_counter_init(&bdi->bdi_stat[i], 0); if (err) goto err; } -- cgit v0.10.2 From 42d35d48ce7cefb9429880af19d1c329d1554e7a Mon Sep 17 00:00:00 2001 From: Darren Hart Date: Mon, 29 Dec 2008 15:49:53 -0800 Subject: futex: make futex_(get|put)_key() calls symmetric Impact: cleanup This patch makes the calls to futex_get_key_refs() and futex_drop_key_refs() explicitly symmetric by only "putting" keys we successfully "got". Also cleanup a couple return points that didn't "put" after a successful "get". Build and boot tested on an x86_64 system. Signed-off-by: Darren Hart Cc: Signed-off-by: Ingo Molnar diff --git a/kernel/futex.c b/kernel/futex.c index b4f87ba..c5ac55c 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -723,8 +723,8 @@ static int futex_wake(u32 __user *uaddr, int fshared, int nr_wake, u32 bitset) } spin_unlock(&hb->lock); -out: put_futex_key(fshared, &key); +out: return ret; } @@ -748,7 +748,7 @@ retryfull: goto out; ret = get_futex_key(uaddr2, fshared, &key2); if (unlikely(ret != 0)) - goto out; + goto out_put_key1; hb1 = hash_futex(&key1); hb2 = hash_futex(&key2); @@ -770,12 +770,12 @@ retry: * but we might get them from range checking */ ret = op_ret; - goto out; + goto out_put_keys; #endif if (unlikely(op_ret != -EFAULT)) { ret = op_ret; - goto out; + goto out_put_keys; } /* @@ -789,7 +789,7 @@ retry: ret = futex_handle_fault((unsigned long)uaddr2, attempt); if (ret) - goto out; + goto out_put_keys; goto retry; } @@ -827,10 +827,11 @@ retry: spin_unlock(&hb1->lock); if (hb1 != hb2) spin_unlock(&hb2->lock); -out: +out_put_keys: put_futex_key(fshared, &key2); +out_put_key1: put_futex_key(fshared, &key1); - +out: return ret; } @@ -847,13 +848,13 @@ static int futex_requeue(u32 __user *uaddr1, int fshared, u32 __user *uaddr2, struct futex_q *this, *next; int ret, drop_count = 0; - retry: +retry: ret = get_futex_key(uaddr1, fshared, &key1); if (unlikely(ret != 0)) goto out; ret = get_futex_key(uaddr2, fshared, &key2); if (unlikely(ret != 0)) - goto out; + goto out_put_key1; hb1 = hash_futex(&key1); hb2 = hash_futex(&key2); @@ -875,7 +876,7 @@ static int futex_requeue(u32 __user *uaddr1, int fshared, u32 __user *uaddr2, if (!ret) goto retry; - return ret; + goto out_put_keys; } if (curval != *cmpval) { ret = -EAGAIN; @@ -920,9 +921,11 @@ out_unlock: while (--drop_count >= 0) drop_futex_key_refs(&key1); -out: +out_put_keys: put_futex_key(fshared, &key2); +out_put_key1: put_futex_key(fshared, &key1); +out: return ret; } @@ -983,7 +986,7 @@ static int unqueue_me(struct futex_q *q) int ret = 0; /* In the common case we don't take the spinlock, which is nice. */ - retry: +retry: lock_ptr = q->lock_ptr; barrier(); if (lock_ptr != NULL) { @@ -1165,11 +1168,11 @@ static int futex_wait(u32 __user *uaddr, int fshared, q.pi_state = NULL; q.bitset = bitset; - retry: +retry: q.key = FUTEX_KEY_INIT; ret = get_futex_key(uaddr, fshared, &q.key); if (unlikely(ret != 0)) - goto out_release_sem; + goto out; hb = queue_lock(&q); @@ -1197,6 +1200,7 @@ static int futex_wait(u32 __user *uaddr, int fshared, if (unlikely(ret)) { queue_unlock(&q, hb); + put_futex_key(fshared, &q.key); ret = get_user(uval, uaddr); @@ -1206,7 +1210,7 @@ static int futex_wait(u32 __user *uaddr, int fshared, } ret = -EWOULDBLOCK; if (uval != val) - goto out_unlock_release_sem; + goto out_unlock_put_key; /* Only actually queue if *uaddr contained val. */ queue_me(&q, hb); @@ -1298,11 +1302,11 @@ static int futex_wait(u32 __user *uaddr, int fshared, return -ERESTART_RESTARTBLOCK; } - out_unlock_release_sem: +out_unlock_put_key: queue_unlock(&q, hb); - - out_release_sem: put_futex_key(fshared, &q.key); + +out: return ret; } @@ -1351,16 +1355,16 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, } q.pi_state = NULL; - retry: +retry: q.key = FUTEX_KEY_INIT; ret = get_futex_key(uaddr, fshared, &q.key); if (unlikely(ret != 0)) - goto out_release_sem; + goto out; - retry_unlocked: +retry_unlocked: hb = queue_lock(&q); - retry_locked: +retry_locked: ret = lock_taken = 0; /* @@ -1381,14 +1385,14 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, */ if (unlikely((curval & FUTEX_TID_MASK) == task_pid_vnr(current))) { ret = -EDEADLK; - goto out_unlock_release_sem; + goto out_unlock_put_key; } /* * Surprise - we got the lock. Just return to userspace: */ if (unlikely(!curval)) - goto out_unlock_release_sem; + goto out_unlock_put_key; uval = curval; @@ -1424,7 +1428,7 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, * We took the lock due to owner died take over. */ if (unlikely(lock_taken)) - goto out_unlock_release_sem; + goto out_unlock_put_key; /* * We dont have the lock. Look up the PI state (or create it if @@ -1463,7 +1467,7 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, goto retry_locked; } default: - goto out_unlock_release_sem; + goto out_unlock_put_key; } } @@ -1554,16 +1558,17 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, destroy_hrtimer_on_stack(&to->timer); return ret != -EINTR ? ret : -ERESTARTNOINTR; - out_unlock_release_sem: +out_unlock_put_key: queue_unlock(&q, hb); - out_release_sem: +out_put_key: put_futex_key(fshared, &q.key); +out: if (to) destroy_hrtimer_on_stack(&to->timer); return ret; - uaddr_faulted: +uaddr_faulted: /* * We have to r/w *(int __user *)uaddr, and we have to modify it * atomically. Therefore, if we continue to fault after get_user() @@ -1576,7 +1581,7 @@ static int futex_lock_pi(u32 __user *uaddr, int fshared, if (attempt++) { ret = futex_handle_fault((unsigned long)uaddr, attempt); if (ret) - goto out_release_sem; + goto out_put_key; goto retry_unlocked; } @@ -1668,9 +1673,9 @@ retry_unlocked: out_unlock: spin_unlock(&hb->lock); -out: put_futex_key(fshared, &key); +out: return ret; pi_faulted: -- cgit v0.10.2 From f9a3fba2ce8622977c5373d2449eb71705613721 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Wed, 31 Dec 2008 10:08:37 +0200 Subject: ASoC: TWL4030: Make the enum filter generic for twl4030 Modify the enum filter to more generic that it will filter out the enums with text "Invalid". The enum filter also required for the capture path. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 5184888..2c279cd 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -298,25 +298,23 @@ static const struct soc_enum twl4030_handsfreer_enum = static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); -static int outmixer_event(struct snd_soc_dapm_widget *w, +/* + * This function filters out the non valid mux settings, named as "Invalid" + * in the enum texts. + * Just refuse to set an invalid mux mode. + */ +static int twl4030_enum_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; int ret = 0; int val; - switch (e->reg) { - case TWL4030_REG_PREDL_CTL: - case TWL4030_REG_PREDR_CTL: - case TWL4030_REG_EAR_CTL: - val = w->value >> e->shift_l; - if (val == 3) { - printk(KERN_WARNING - "Invalid MUX setting for register 0x%02x (%d)\n", - e->reg, val); - ret = -1; - } - break; + val = w->value >> e->shift_l; + if (!strcmp("Invalid", e->texts[val])) { + printk(KERN_WARNING "Invalid MUX setting on 0x%02x (%d)\n", + e->reg, val); + ret = -1; } return ret; @@ -810,14 +808,14 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { /* Output MUX controls */ /* Earpiece */ SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_earpiece_control, outmixer_event, + &twl4030_dapm_earpiece_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), /* PreDrivL/R */ SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predrivel_control, outmixer_event, + &twl4030_dapm_predrivel_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0, - &twl4030_dapm_predriver_control, outmixer_event, + &twl4030_dapm_predriver_control, twl4030_enum_event, SND_SOC_DAPM_PRE_REG), /* HeadsetL/R */ SND_SOC_DAPM_MUX("HeadsetL Mux", SND_SOC_NOPM, 0, 0, -- cgit v0.10.2 From 276c62225a7c98737510483dcaec6af7e7965389 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Wed, 31 Dec 2008 10:08:38 +0200 Subject: ASoC: TWL4030: DAPM based capture implementation This patch adds DAPM implementaion for the capture path on twlx030. TWL has two physical ADC and two digital microphone (stereo) connections. The CPU interface has four microphone channels. For simplicity the microphone channel paths are named as: TX1 (Left/Right) - when using i2s mode, only the TX1 data is valid TX2 (Left/Right) Input routing (simplified version): There is two levels of mux settings for TWL in input path: Analog input mux: ADCL <- {Off, Main mic, Headset mic, AUXL, Carkit mic} ADCR <- {Off, Sub mic, AUXR} Analog/Digital mux: TX1 Analog mode: TX1L <- ADCL TX1R <- ADCR TX1 Digital mode: TX1L <- Digimic0 (Left) TX1R <- Digimic0 (Right) TX2 Analog mode: TX2L <- ADCL TX2R <- ADCR TX2 Digital mode: TX2L <- Digimic1 (Left) TX2R <- Digimic1 (Right) The patch provides the following user controls for the capture path: Mux settings: "TX1 Capture Route": {Analog, Digimic0} "TX2 Capture Route": {Analog, Digimic1} "Analog Left Capture Route": {Off, Main Mic, Headset Mic, AUXL, Carkit Mic} "Analog Right Capture Route": {Off, Sub Mic, AUXR} Volume/Gain controls: "TX1 Digital Capture Volume": Stereo gain control for TX1 path "TX2 Digital Capture Volume": Stereo gain control for TX2 path "Analog Capture Volume": Stereo gain control for the analog path only Important things for the board files: Microphone bias: "Mic Bias 1": Bias for Main mic or for digimic0 (analog or digital path) "Mic Bias 2": Bias for Sub mic or for digimic1 (analog or digital path) "Headset Mic Bias": Bias for Headset mic When the routing configured correctly only the needed components will be powered/enabled. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 2c279cd..31e44e3 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -298,6 +298,55 @@ static const struct soc_enum twl4030_handsfreer_enum = static const struct snd_kcontrol_new twl4030_dapm_handsfreer_control = SOC_DAPM_ENUM("Route", twl4030_handsfreer_enum); +/* Left analog microphone selection */ +static const char *twl4030_analoglmic_texts[] = + {"Off", "Main mic", "Headset mic", "Invalid", "AUXL", + "Invalid", "Invalid", "Invalid", "Carkit mic"}; + +static const struct soc_enum twl4030_analoglmic_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ANAMICL, 0, + ARRAY_SIZE(twl4030_analoglmic_texts), + twl4030_analoglmic_texts); + +static const struct snd_kcontrol_new twl4030_dapm_analoglmic_control = +SOC_DAPM_ENUM("Route", twl4030_analoglmic_enum); + +/* Right analog microphone selection */ +static const char *twl4030_analogrmic_texts[] = + {"Off", "Sub mic", "Invalid", "Invalid", "AUXR"}; + +static const struct soc_enum twl4030_analogrmic_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ANAMICR, 0, + ARRAY_SIZE(twl4030_analogrmic_texts), + twl4030_analogrmic_texts); + +static const struct snd_kcontrol_new twl4030_dapm_analogrmic_control = +SOC_DAPM_ENUM("Route", twl4030_analogrmic_enum); + +/* TX1 L/R Analog/Digital microphone selection */ +static const char *twl4030_micpathtx1_texts[] = + {"Analog", "Digimic0"}; + +static const struct soc_enum twl4030_micpathtx1_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 0, + ARRAY_SIZE(twl4030_micpathtx1_texts), + twl4030_micpathtx1_texts); + +static const struct snd_kcontrol_new twl4030_dapm_micpathtx1_control = +SOC_DAPM_ENUM("Route", twl4030_micpathtx1_enum); + +/* TX2 L/R Analog/Digital microphone selection */ +static const char *twl4030_micpathtx2_texts[] = + {"Analog", "Digimic1"}; + +static const struct soc_enum twl4030_micpathtx2_enum = + SOC_ENUM_SINGLE(TWL4030_REG_ADCMICSEL, 2, + ARRAY_SIZE(twl4030_micpathtx2_texts), + twl4030_micpathtx2_texts); + +static const struct snd_kcontrol_new twl4030_dapm_micpathtx2_control = +SOC_DAPM_ENUM("Route", twl4030_micpathtx2_enum); + /* * This function filters out the non valid mux settings, named as "Invalid" * in the enum texts. @@ -320,6 +369,36 @@ static int twl4030_enum_event(struct snd_soc_dapm_widget *w, return ret; } +static int micpath_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct soc_enum *e = (struct soc_enum *)w->kcontrols->private_value; + unsigned char adcmicsel, micbias_ctl; + + adcmicsel = twl4030_read_reg_cache(w->codec, TWL4030_REG_ADCMICSEL); + micbias_ctl = twl4030_read_reg_cache(w->codec, TWL4030_REG_MICBIAS_CTL); + /* Prepare the bits for the given TX path: + * shift_l == 0: TX1 microphone path + * shift_l == 2: TX2 microphone path */ + if (e->shift_l) { + /* TX2 microphone path */ + if (adcmicsel & TWL4030_TX2IN_SEL) + micbias_ctl |= TWL4030_MICBIAS2_CTL; /* digimic */ + else + micbias_ctl &= ~TWL4030_MICBIAS2_CTL; + } else { + /* TX1 microphone path */ + if (adcmicsel & TWL4030_TX1IN_SEL) + micbias_ctl |= TWL4030_MICBIAS1_CTL; /* digimic */ + else + micbias_ctl &= ~TWL4030_MICBIAS1_CTL; + } + + twl4030_write(w->codec, TWL4030_REG_MICBIAS_CTL, micbias_ctl); + + return 0; +} + static int handsfree_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -501,162 +580,6 @@ static int snd_soc_put_volsw_r2_twl4030(struct snd_kcontrol *kcontrol, return err; } -static int twl4030_get_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - int result = 0; - - /* one bit must be set a time */ - reg &= TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN; - if (reg != 0) { - result++; - while ((reg & 1) == 0) { - result++; - reg >>= 1; - } - } - - ucontrol->value.integer.value[0] = result; - return 0; -} - -static int twl4030_put_left_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicl, micbias, avadc_ctl; - - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - anamicl &= ~(TWL4030_CKMIC_EN | TWL4030_AUXL_EN | TWL4030_HSMIC_EN - | TWL4030_MAINMIC_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~(TWL4030_HSMICBIAS_EN | TWL4030_MICBIAS1_EN); - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicl |= TWL4030_MAINMIC_EN; - micbias |= TWL4030_MICBIAS1_EN; - break; - case 2: - anamicl |= TWL4030_HSMIC_EN; - micbias |= TWL4030_HSMICBIAS_EN; - break; - case 3: - anamicl |= TWL4030_AUXL_EN; - break; - case 4: - anamicl |= TWL4030_CKMIC_EN; - break; - default: - break; - } - - /* If some input is selected, enable amp and ADC */ - if (value != 0) { - anamicl |= TWL4030_MICAMPL_EN; - avadc_ctl |= TWL4030_ADCL_EN; - } else { - anamicl &= ~TWL4030_MICAMPL_EN; - avadc_ctl &= ~TWL4030_ADCL_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static int twl4030_get_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - u8 reg = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - int value = 0; - - reg &= TWL4030_SUBMIC_EN|TWL4030_AUXR_EN; - switch (reg) { - case TWL4030_SUBMIC_EN: - value = 1; - break; - case TWL4030_AUXR_EN: - value = 2; - break; - default: - break; - } - - ucontrol->value.integer.value[0] = value; - return 0; -} - -static int twl4030_put_right_input(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_soc_codec *codec = kcontrol->private_data; - int value = ucontrol->value.integer.value[0]; - u8 anamicr, micbias, avadc_ctl; - - anamicr = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICR); - anamicr &= ~(TWL4030_SUBMIC_EN|TWL4030_AUXR_EN); - micbias = twl4030_read_reg_cache(codec, TWL4030_REG_MICBIAS_CTL); - micbias &= ~TWL4030_MICBIAS2_EN; - avadc_ctl = twl4030_read_reg_cache(codec, TWL4030_REG_AVADC_CTL); - - switch (value) { - case 1: - anamicr |= TWL4030_SUBMIC_EN; - micbias |= TWL4030_MICBIAS2_EN; - break; - case 2: - anamicr |= TWL4030_AUXR_EN; - break; - default: - break; - } - - if (value != 0) { - anamicr |= TWL4030_MICAMPR_EN; - avadc_ctl |= TWL4030_ADCR_EN; - } else { - anamicr &= ~TWL4030_MICAMPR_EN; - avadc_ctl &= ~TWL4030_ADCR_EN; - } - - twl4030_write(codec, TWL4030_REG_ANAMICR, anamicr); - twl4030_write(codec, TWL4030_REG_MICBIAS_CTL, micbias); - twl4030_write(codec, TWL4030_REG_AVADC_CTL, avadc_ctl); - - return 1; -} - -static const char *twl4030_left_in_sel[] = { - "None", - "Main Mic", - "Headset Mic", - "Line In", - "Carkit Mic", -}; - -static const char *twl4030_right_in_sel[] = { - "None", - "Sub Mic", - "Line In", -}; - -static const struct soc_enum twl4030_left_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_left_in_sel), - twl4030_left_in_sel); - -static const struct soc_enum twl4030_right_input_mux = - SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(twl4030_right_in_sel), - twl4030_right_in_sel); - /* * FGAIN volume control: * from -62 to 0 dB in 1 dB steps (mute instead of -63 dB) @@ -739,18 +662,15 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl), /* Common capture gain controls */ - SOC_DOUBLE_R_TLV("Capture Volume", + SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume", TWL4030_REG_ATXL1PGA, TWL4030_REG_ATXR1PGA, 0, 0x1f, 0, digital_capture_tlv), + SOC_DOUBLE_R_TLV("TX2 Digital Capture Volume", + TWL4030_REG_AVTXL2PGA, TWL4030_REG_AVTXR2PGA, + 0, 0x1f, 0, digital_capture_tlv), - SOC_DOUBLE_TLV("Input Boost Volume", TWL4030_REG_ANAMIC_GAIN, + SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN, 0, 3, 5, 0, input_gain_tlv), - - /* Input source controls */ - SOC_ENUM_EXT("Left Input Source", twl4030_left_input_mux, - twl4030_get_left_input, twl4030_put_left_input), - SOC_ENUM_EXT("Right Input Source", twl4030_right_input_mux, - twl4030_get_right_input, twl4030_put_right_input), }; /* add non dapm controls */ @@ -770,9 +690,19 @@ static int twl4030_add_controls(struct snd_soc_codec *codec) } static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { - SND_SOC_DAPM_INPUT("INL"), - SND_SOC_DAPM_INPUT("INR"), - + /* Left channel inputs */ + SND_SOC_DAPM_INPUT("MAINMIC"), + SND_SOC_DAPM_INPUT("HSMIC"), + SND_SOC_DAPM_INPUT("AUXL"), + SND_SOC_DAPM_INPUT("CARKITMIC"), + /* Right channel inputs */ + SND_SOC_DAPM_INPUT("SUBMIC"), + SND_SOC_DAPM_INPUT("AUXR"), + /* Digital microphones (Stereo) */ + SND_SOC_DAPM_INPUT("DIGIMIC0"), + SND_SOC_DAPM_INPUT("DIGIMIC1"), + + /* Outputs */ SND_SOC_DAPM_OUTPUT("OUTL"), SND_SOC_DAPM_OUTPUT("OUTR"), SND_SOC_DAPM_OUTPUT("EARPIECE"), @@ -835,8 +765,50 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = { &twl4030_dapm_handsfreer_control, handsfree_event, SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD), - SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0), - SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0), + /* Introducing four virtual ADC, since TWL4030 have four channel for + capture */ + SND_SOC_DAPM_ADC("ADC Virtual Left1", "Left Front Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Right1", "Right Front Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Left2", "Left Rear Capture", + SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_ADC("ADC Virtual Right2", "Right Rear Capture", + SND_SOC_NOPM, 0, 0), + + /* Analog/Digital mic path selection. + TX1 Left/Right: either analog Left/Right or Digimic0 + TX2 Left/Right: either analog Left/Right or Digimic1 */ + SND_SOC_DAPM_MUX_E("TX1 Capture Route", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_micpathtx1_control, micpath_event, + SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD| + SND_SOC_DAPM_POST_REG), + SND_SOC_DAPM_MUX_E("TX2 Capture Route", SND_SOC_NOPM, 0, 0, + &twl4030_dapm_micpathtx2_control, micpath_event, + SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_POST_PMD| + SND_SOC_DAPM_POST_REG), + + /* Analog input muxes with power switch for the physical ADCL/R */ + SND_SOC_DAPM_MUX_E("Analog Left Capture Route", + TWL4030_REG_AVADC_CTL, 3, 0, &twl4030_dapm_analoglmic_control, + twl4030_enum_event, SND_SOC_DAPM_PRE_REG), + SND_SOC_DAPM_MUX_E("Analog Right Capture Route", + TWL4030_REG_AVADC_CTL, 1, 0, &twl4030_dapm_analogrmic_control, + twl4030_enum_event, SND_SOC_DAPM_PRE_REG), + + SND_SOC_DAPM_PGA("Analog Left Amplifier", + TWL4030_REG_ANAMICL, 4, 0, NULL, 0), + SND_SOC_DAPM_PGA("Analog Right Amplifier", + TWL4030_REG_ANAMICR, 4, 0, NULL, 0), + + SND_SOC_DAPM_PGA("Digimic0 Enable", + TWL4030_REG_ADCMICSEL, 1, 0, NULL, 0), + SND_SOC_DAPM_PGA("Digimic1 Enable", + TWL4030_REG_ADCMICSEL, 3, 0, NULL, 0), + + SND_SOC_DAPM_MICBIAS("Mic Bias 1", TWL4030_REG_MICBIAS_CTL, 0, 0), + SND_SOC_DAPM_MICBIAS("Mic Bias 2", TWL4030_REG_MICBIAS_CTL, 1, 0), + SND_SOC_DAPM_MICBIAS("Headset Mic Bias", TWL4030_REG_MICBIAS_CTL, 2, 0), }; static const struct snd_soc_dapm_route intercon[] = { @@ -892,9 +864,39 @@ static const struct snd_soc_dapm_route intercon[] = { {"HFL", NULL, "HandsfreeL Mux"}, {"HFR", NULL, "HandsfreeR Mux"}, - /* inputs */ - {"ADCL", NULL, "INL"}, - {"ADCR", NULL, "INR"}, + /* Capture path */ + {"Analog Left Capture Route", "Main mic", "MAINMIC"}, + {"Analog Left Capture Route", "Headset mic", "HSMIC"}, + {"Analog Left Capture Route", "AUXL", "AUXL"}, + {"Analog Left Capture Route", "Carkit mic", "CARKITMIC"}, + + {"Analog Right Capture Route", "Sub mic", "SUBMIC"}, + {"Analog Right Capture Route", "AUXR", "AUXR"}, + + {"Analog Left Amplifier", NULL, "Analog Left Capture Route"}, + {"Analog Right Amplifier", NULL, "Analog Right Capture Route"}, + + {"Digimic0 Enable", NULL, "DIGIMIC0"}, + {"Digimic1 Enable", NULL, "DIGIMIC1"}, + + /* TX1 Left capture path */ + {"TX1 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, + /* TX1 Right capture path */ + {"TX1 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX1 Capture Route", "Digimic0", "Digimic0 Enable"}, + /* TX2 Left capture path */ + {"TX2 Capture Route", "Analog", "Analog Left Amplifier"}, + {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, + /* TX2 Right capture path */ + {"TX2 Capture Route", "Analog", "Analog Right Amplifier"}, + {"TX2 Capture Route", "Digimic1", "Digimic1 Enable"}, + + {"ADC Virtual Left1", NULL, "TX1 Capture Route"}, + {"ADC Virtual Right1", NULL, "TX1 Capture Route"}, + {"ADC Virtual Left2", NULL, "TX2 Capture Route"}, + {"ADC Virtual Right2", NULL, "TX2 Capture Route"}, + }; static int twl4030_add_widgets(struct snd_soc_codec *codec) @@ -921,6 +923,7 @@ static void twl4030_power_up(struct snd_soc_codec *codec) twl4030_write(codec, TWL4030_REG_ANAMICL, anamicl | TWL4030_CNCL_OFFSET_START); + /* wait for offset cancellation to complete */ do { /* this takes a little while, so don't slam i2c */ diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h index 54615c7..442e5a8 100644 --- a/sound/soc/codecs/twl4030.h +++ b/sound/soc/codecs/twl4030.h @@ -147,6 +147,13 @@ #define TWL4030_AVADC_CLK_PRIORITY 0x04 #define TWL4030_ADCR_EN 0x02 +/* TWL4030_REG_ADCMICSEL (0x08) Fields */ + +#define TWL4030_DIGMIC1_EN 0x08 +#define TWL4030_TX2IN_SEL 0x04 +#define TWL4030_DIGMIC0_EN 0x02 +#define TWL4030_TX1IN_SEL 0x01 + /* AUDIO_IF (0x0E) Fields */ #define TWL4030_AIF_SLAVE_EN 0x80 -- cgit v0.10.2 From 42a6e66f1e40a930d093c33ba0bb9d8d8e4555ed Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Mon, 29 Dec 2008 11:23:02 +0100 Subject: ALSA: sound/usb: use USB API functions rather than constants This set of patches introduces calls to the following set of functions: usb_endpoint_dir_in(epd) usb_endpoint_dir_out(epd) usb_endpoint_is_bulk_in(epd) usb_endpoint_is_bulk_out(epd) usb_endpoint_is_int_in(epd) usb_endpoint_is_int_out(epd) usb_endpoint_num(epd) usb_endpoint_type(epd) usb_endpoint_xfer_bulk(epd) usb_endpoint_xfer_control(epd) usb_endpoint_xfer_int(epd) usb_endpoint_xfer_isoc(epd) In some cases, introducing one of these functions is not possible, and it just replaces an explicit integer value by one of the following constants: USB_ENDPOINT_XFER_BULK USB_ENDPOINT_XFER_CONTROL USB_ENDPOINT_XFER_INT USB_ENDPOINT_XFER_ISOC An extract of the semantic patch that makes these changes is as follows: (http://www.emn.fr/x-info/coccinelle/) // @r1@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) == - \(USB_ENDPOINT_XFER_CONTROL\|0\)) + usb_endpoint_xfer_control(epd) @r5@ struct usb_endpoint_descriptor *epd; @@ - ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) == - \(USB_DIR_IN\|0x80\)) + usb_endpoint_dir_in(epd) @inc@ @@ #include @depends on !inc && (r1||r5)@ @@ + #include #include // Signed-off-by: Julia Lawall Signed-off-by: Takashi Iwai diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index 6d9f9b1..3a9a9fe 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -1392,8 +1392,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { hostep = &hostif->endpoint[i]; ep = get_ep_desc(hostep); - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && - (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (usb_endpoint_type(ep) != USB_ENDPOINT_XFER_BULK && + usb_endpoint_type(ep) != USB_ENDPOINT_XFER_INT) continue; ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra; if (hostep->extralen < 4 || @@ -1401,15 +1401,15 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT || ms_ep->bDescriptorSubtype != MS_GENERAL) continue; - if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + if (usb_endpoint_dir_out(ep)) { if (endpoints[epidx].out_ep) { if (++epidx >= MIDI_MAX_ENDPOINTS) { snd_printk(KERN_WARNING "too many endpoints\n"); break; } } - endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].out_ep = usb_endpoint_num(ep); + if (usb_endpoint_xfer_int(ep)) endpoints[epidx].out_interval = ep->bInterval; else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW) /* @@ -1428,8 +1428,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, break; } } - endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].in_ep = usb_endpoint_num(ep); + if (usb_endpoint_xfer_int(ep)) endpoints[epidx].in_interval = ep->bInterval; else if (snd_usb_get_speed(umidi->chip->dev) == USB_SPEED_LOW) endpoints[epidx].in_interval = 1; @@ -1495,20 +1495,20 @@ static int snd_usbmidi_detect_endpoints(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { epd = get_endpoint(hostif, i); - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK && + usb_endpoint_type(epd) != USB_ENDPOINT_XFER_INT) continue; if (out_eps < max_endpoints && - (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { - endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + usb_endpoint_dir_out(epd)) { + endpoint[out_eps].out_ep = usb_endpoint_num(epd); + if (usb_endpoint_xfer_int(epd)) endpoint[out_eps].out_interval = epd->bInterval; ++out_eps; } if (in_eps < max_endpoints && - (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { - endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + usb_endpoint_dir_in(epd)) { + endpoint[in_eps].in_ep = usb_endpoint_num(epd); + if (usb_endpoint_xfer_int(epd)) endpoint[in_eps].in_interval = epd->bInterval; ++in_eps; } @@ -1607,21 +1607,21 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi* umidi, } epd = get_endpoint(hostif, 0); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) { + if (usb_endpoint_dir_out(epd) || + usb_endpoint_type(epd) != USB_ENDPOINT_XFER_INT) { snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n"); return -ENXIO; } epd = get_endpoint(hostif, 2); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + if (usb_endpoint_dir_in(epd) || + usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK) { snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n"); return -ENXIO; } if (endpoint->out_cables > 0x0001) { epd = get_endpoint(hostif, 4); - if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || - (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + if (usb_endpoint_dir_in(epd) || + usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK) { snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n"); return -ENXIO; } diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index a492461..9ce626f 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1755,11 +1755,11 @@ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) if (get_iface_desc(hostif)->bNumEndpoints < 1) return 0; ep = get_endpoint(hostif, 0); - if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || - (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + if (usb_endpoint_dir_out(ep) || + usb_endpoint_type(ep) != USB_ENDPOINT_XFER_INT) return 0; - epnum = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + epnum = usb_endpoint_num(ep); buffer_length = le16_to_cpu(ep->wMaxPacketSize); transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); if (!transfer_buffer) -- cgit v0.10.2 From 3fea2cb0451b9009af32d1418ea77cc674fe7e02 Mon Sep 17 00:00:00 2001 From: Wu Fengguang Date: Fri, 26 Dec 2008 12:20:43 +0800 Subject: ALSA: hda - fix name for ALC1200 Move the more specific preset for ALC1200 above the general one for ALC888, so that it will have the chance to get matched and selected. Reported-by: Thomas Schneider Signed-off-by: Wu Fengguang Signed-off-by: Takashi Iwai diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0bd4e6b..69a251b 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -16638,9 +16638,9 @@ static struct hda_codec_preset snd_hda_preset_realtek[] = { .patch = patch_alc882 }, /* should be patch_alc883() in future */ { .id = 0x10ec0885, .name = "ALC885", .patch = patch_alc882 }, { .id = 0x10ec0887, .name = "ALC887", .patch = patch_alc883 }, - { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, { .id = 0x10ec0888, .rev = 0x100101, .name = "ALC1200", .patch = patch_alc883 }, + { .id = 0x10ec0888, .name = "ALC888", .patch = patch_alc883 }, { .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc883 }, {} /* terminator */ }; -- cgit v0.10.2 From 06bf3e15f64aacfb068fed5002b6544f870cc638 Mon Sep 17 00:00:00 2001 From: Chris Bagwell Date: Thu, 1 Jan 2009 10:32:08 +0100 Subject: LSA: hda - Add HP Acacia detection Add automatic mapping of HP Acacia motherboards to 3stack-hp. Allows for greater then 2 channel audio by enabling Channel Mode option in mixer. Motherboard specs: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01321559&lc=en&dlc=en&cc=us&product=3829353&os=2093&lang=en# Signed-off-by: Chris Bagwell Signed-off-by: Takashi Iwai diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 69a251b..9065ebf 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8467,6 +8467,7 @@ static struct snd_pci_quirk alc883_cfg_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2a4f, "HP Samba", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a60, "HP Lucknow", ALC888_3ST_HP), SND_PCI_QUIRK(0x103c, 0x2a61, "HP Nettle", ALC883_6ST_DIG), + SND_PCI_QUIRK(0x103c, 0x2a66, "HP Acacia", ALC888_3ST_HP), SND_PCI_QUIRK(0x1043, 0x1873, "Asus M90V", ALC888_ASUS_M90V), SND_PCI_QUIRK(0x1043, 0x8249, "Asus M2A-VM HDMI", ALC883_3ST_6ch_DIG), SND_PCI_QUIRK(0x1043, 0x82fe, "Asus P5Q-EM HDMI", ALC1200_ASUS_P5Q), -- cgit v0.10.2 From 9bef6489d72abd8f598aede92be3854a69324c50 Mon Sep 17 00:00:00 2001 From: Stephen Ware Date: Wed, 31 Dec 2008 14:39:23 -0800 Subject: ASoC: Fix pxa2xx-pcm checks for invalid DMA channels Set the invalid dma channel to -1 (and check properly for it) in pxa2xx_pcm_hw_free(). Was assuming 0 is an invalid channel number but 0 is a valid pxa dma channel num. Signed-off-by: stephen Signed-off-by: Mark Brown diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c index c670d08..53b9fb1 100644 --- a/sound/soc/pxa/pxa2xx-pcm.c +++ b/sound/soc/pxa/pxa2xx-pcm.c @@ -61,9 +61,9 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) __pxa2xx_pcm_hw_free(substream); - if (prtd->dma_ch) { + if (prtd->dma_ch >= 0) { pxa_free_dma(prtd->dma_ch); - prtd->dma_ch = 0; + prtd->dma_ch = -1; } return 0; -- cgit v0.10.2 From ac11a2b35cc25c77d28218aaf60e7f7c6c7ee5d3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 1 Jan 2009 12:18:17 +0000 Subject: ASoC: Clean up kerneldoc warnings Almost all parameters that have been misnamed in the comments. Signed-off-by: Mark Brown diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b098c0b..f73c134 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1300,6 +1300,8 @@ EXPORT_SYMBOL_GPL(snd_soc_test_bits); /** * snd_soc_new_pcms - create new sound card and pcms * @socdev: the SoC audio device + * @idx: ALSA card index + * @xid: card identification * * Create a new sound card based upon the codec and interface pcms. * @@ -1472,7 +1474,7 @@ EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); * snd_soc_cnew - create new control * @_template: control template * @data: control private data - * @lnng_name: control long name + * @long_name: control long name * * Create a new mixer control from a template control. * @@ -1522,7 +1524,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); /** * snd_soc_get_enum_double - enumerated double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a double enumerated mixer. * @@ -1551,7 +1553,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); /** * snd_soc_put_enum_double - enumerated double mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a double enumerated mixer. * @@ -1668,7 +1670,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw); /** * snd_soc_get_volsw - single mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a single mixer control. * @@ -1707,7 +1709,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw); /** * snd_soc_put_volsw - single mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a single mixer control. * @@ -1775,7 +1777,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); /** * snd_soc_get_volsw_2r - double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a double mixer control that spans 2 registers. * @@ -1812,7 +1814,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); /** * snd_soc_put_volsw_2r - double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a double mixer control that spans 2 registers. * @@ -1882,7 +1884,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); /** * snd_soc_get_volsw_s8 - signed mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a signed mixer control. * @@ -1909,7 +1911,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); /** * snd_soc_put_volsw_sgn - signed mixer put callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a signed mixer control. * @@ -1954,7 +1956,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); /** * snd_soc_dai_set_clkdiv - configure DAI clock dividers. * @dai: DAI - * @clk_id: DAI specific clock divider ID + * @div_id: DAI specific clock divider ID * @div: new clock divisor. * * Configures the clock dividers. This is used to derive the best DAI bit and @@ -2060,7 +2062,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); /** * snd_soc_register_card - Register a card with the ASoC core * - * @param card Card to register + * @card: Card to register * * Note that currently this is an internal only function: it will be * exposed to machine drivers after further backporting of ASoC v2 @@ -2087,7 +2089,7 @@ static int snd_soc_register_card(struct snd_soc_card *card) /** * snd_soc_unregister_card - Unregister a card with the ASoC core * - * @param card Card to unregister + * @card: Card to unregister * * Note that currently this is an internal only function: it will be * exposed to machine drivers after further backporting of ASoC v2 @@ -2107,7 +2109,7 @@ static int snd_soc_unregister_card(struct snd_soc_card *card) /** * snd_soc_register_dai - Register a DAI with the ASoC core * - * @param dai DAI to register + * @dai: DAI to register */ int snd_soc_register_dai(struct snd_soc_dai *dai) { @@ -2134,7 +2136,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dai); /** * snd_soc_unregister_dai - Unregister a DAI from the ASoC core * - * @param dai DAI to unregister + * @dai: DAI to unregister */ void snd_soc_unregister_dai(struct snd_soc_dai *dai) { @@ -2149,8 +2151,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); /** * snd_soc_register_dais - Register multiple DAIs with the ASoC core * - * @param dai Array of DAIs to register - * @param count Number of DAIs + * @dai: Array of DAIs to register + * @count: Number of DAIs */ int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count) { @@ -2175,8 +2177,8 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais); /** * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core * - * @param dai Array of DAIs to unregister - * @param count Number of DAIs + * @dai: Array of DAIs to unregister + * @count: Number of DAIs */ void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count) { @@ -2190,7 +2192,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); /** * snd_soc_register_platform - Register a platform with the ASoC core * - * @param platform platform to register + * @platform: platform to register */ int snd_soc_register_platform(struct snd_soc_platform *platform) { @@ -2213,7 +2215,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform); /** * snd_soc_unregister_platform - Unregister a platform from the ASoC core * - * @param platform platform to unregister + * @platform: platform to unregister */ void snd_soc_unregister_platform(struct snd_soc_platform *platform) { @@ -2228,7 +2230,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); /** * snd_soc_register_codec - Register a codec with the ASoC core * - * @param codec codec to register + * @codec: codec to register */ int snd_soc_register_codec(struct snd_soc_codec *codec) { @@ -2255,7 +2257,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); /** * snd_soc_unregister_codec - Unregister a codec from the ASoC core * - * @param codec codec to unregister + * @codec: codec to unregister */ void snd_soc_unregister_codec(struct snd_soc_codec *codec) { diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 8863edd..6c79ca6 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1077,7 +1077,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets); /** * snd_soc_dapm_get_volsw - dapm mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm mixer control. * @@ -1122,7 +1122,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw); /** * snd_soc_dapm_put_volsw - dapm mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm mixer control. * @@ -1193,7 +1193,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw); /** * snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to get the value of a dapm enumerated double mixer control. * @@ -1221,7 +1221,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double); /** * snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback * @kcontrol: mixer control - * @uinfo: control element information + * @ucontrol: control element information * * Callback to set the value of a dapm enumerated double mixer control. * @@ -1419,7 +1419,7 @@ int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, /** * snd_soc_dapm_enable_pin - enable pin. - * @snd_soc_codec: SoC codec + * @codec: SoC codec * @pin: pin name * * Enables input/output pin and it's parents or children widgets iff there is -- cgit v0.10.2 From f4e9749f451747f7cdd334eae951357f839c57f2 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 1 Jan 2009 18:14:35 +0100 Subject: ALSA: Use usb_set/get_intfdata Use the USB functions usb_get_intfdata and usb_set_intfdata instead of dev_get_drvdata and dev_set_drvdata, respectively. The semantic patch that makes this change for the usb_get_intfdata case is as follows: (http://www.emn.fr/x-info/coccinelle/) // @header@ @@ #include @same depends on header@ position p; @@ usb_get_intfdata@p(...) { ... } @depends on header@ position _p!=same.p; identifier _f; struct usb_interface*intf; @@ _f@_p(...) { <+... - dev_get_drvdata(&intf->dev) + usb_get_intfdata(intf) ...+> } // Signed-off-by: Julia Lawall Signed-off-by: Takashi Iwai diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c index b143ef7..a62500e 100644 --- a/sound/usb/caiaq/caiaq-device.c +++ b/sound/usb/caiaq/caiaq-device.c @@ -446,7 +446,7 @@ static int __devinit snd_probe(struct usb_interface *intf, if (!card) return -ENOMEM; - dev_set_drvdata(&intf->dev, card); + usb_set_intfdata(intf, card); ret = init_card(caiaqdev(card)); if (ret < 0) { log("unable to init card! (ret=%d)\n", ret); @@ -460,7 +460,7 @@ static int __devinit snd_probe(struct usb_interface *intf, static void snd_disconnect(struct usb_interface *intf) { struct snd_usb_caiaqdev *dev; - struct snd_card *card = dev_get_drvdata(&intf->dev); + struct snd_card *card = usb_get_intfdata(intf); debug("%s(%p)\n", __func__, intf); diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index bbd70d5..c709b95 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -3709,7 +3709,7 @@ static int usb_audio_probe(struct usb_interface *intf, void *chip; chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id); if (chip) { - dev_set_drvdata(&intf->dev, chip); + usb_set_intfdata(intf, chip); return 0; } else return -EIO; @@ -3718,13 +3718,13 @@ static int usb_audio_probe(struct usb_interface *intf, static void usb_audio_disconnect(struct usb_interface *intf) { snd_usb_audio_disconnect(interface_to_usbdev(intf), - dev_get_drvdata(&intf->dev)); + usb_get_intfdata(intf)); } #ifdef CONFIG_PM static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) { - struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev); + struct snd_usb_audio *chip = usb_get_intfdata(intf); struct list_head *p; struct snd_usb_stream *as; @@ -3744,7 +3744,7 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) static int usb_audio_resume(struct usb_interface *intf) { - struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev); + struct snd_usb_audio *chip = usb_get_intfdata(intf); if (chip == (void *)-1L) return 0; diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index c2515b6..73e59f4 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -589,7 +589,7 @@ static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message) struct us122l *us122l; struct list_head *p; - card = dev_get_drvdata(&intf->dev); + card = usb_get_intfdata(intf); if (!card) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); @@ -615,7 +615,7 @@ static int snd_us122l_resume(struct usb_interface *intf) struct list_head *p; int err; - card = dev_get_drvdata(&intf->dev); + card = usb_get_intfdata(intf); if (!card) return 0; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c index e5981a6..ca26c53 100644 --- a/sound/usb/usx2y/usbusx2y.c +++ b/sound/usb/usx2y/usbusx2y.c @@ -392,7 +392,7 @@ static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_i void *chip; chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id); if (chip) { - dev_set_drvdata(&intf->dev, chip); + usb_set_intfdata(intf, chip); return 0; } else return -EIO; @@ -401,7 +401,7 @@ static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_i static void snd_usX2Y_disconnect(struct usb_interface *intf) { usX2Y_usb_disconnect(interface_to_usbdev(intf), - dev_get_drvdata(&intf->dev)); + usb_get_intfdata(intf)); } MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table); -- cgit v0.10.2 From 90621c40cc4ab7b0a414311ce37e7cc7173403b6 Mon Sep 17 00:00:00 2001 From: Darren Hart Date: Mon, 29 Dec 2008 19:43:21 -0800 Subject: futex: catch certain assymetric (get|put)_futex_key calls Impact: add debug check Following up on my previous key reference accounting patches, this patch will catch puts on keys that haven't been "got". This won't catch nested get/put mismatches though. Build and boot tested, with minimal desktop activity and a run of the open_posix_testsuite in LTP for testing. No warnings logged. Signed-off-by: Darren Hart Cc: Signed-off-by: Ingo Molnar diff --git a/kernel/futex.c b/kernel/futex.c index c5ac55c..206d4c90 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -170,8 +170,11 @@ static void get_futex_key_refs(union futex_key *key) */ static void drop_futex_key_refs(union futex_key *key) { - if (!key->both.ptr) + if (!key->both.ptr) { + /* If we're here then we tried to put a key we failed to get */ + WARN_ON_ONCE(1); return; + } switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) { case FUT_OFF_INODE: -- cgit v0.10.2 From a66963a966881238d2738185e6f1adae1447f830 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 18:14:04 -0800 Subject: sparc: delete unused config symbols There is no need to define a config symbol if it is never set to any value. Undefined symbols equal to 'n'. GENERIC_GPIO looks like it is similar but it is set using select in some other file so it must be kept. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 0a94d9c..002f7b4 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -188,14 +188,6 @@ config ARCH_MAY_HAVE_PC_FDC bool default y -config ARCH_HAS_ILOG2_U32 - bool - default n - -config ARCH_HAS_ILOG2_U64 - bool - default n - config EMULATED_CMPXCHG bool default y if SPARC32 @@ -442,26 +434,6 @@ config SERIAL_CONSOLE endmenu menu "Bus options (PCI etc.)" -config ISA - bool - help - ISA is found on Espresso only and is not supported currently. - -config ISAPNP - bool - help - ISAPNP is not supported - -config EISA - bool - help - EISA is not supported. - -config MCA - bool - help - MCA is not supported. - config SBUS bool default y -- cgit v0.10.2 From a508228a9ed2c2b582cec7833b60f55d12789219 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 18:34:50 -0800 Subject: sparc: unify posix_types.h The posix types differed so much in their definition that they are kept in separate blocks. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 89c260a..57bcc1f 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -3,8 +3,6 @@ include include/asm-generic/Kbuild.asm header-y += ipcbuf_32.h header-y += ipcbuf_64.h -header-y += posix_types_32.h -header-y += posix_types_64.h header-y += ptrace_32.h header-y += ptrace_64.h header-y += sigcontext_32.h diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h index 03a0e09..98d6ebb 100644 --- a/arch/sparc/include/asm/posix_types.h +++ b/arch/sparc/include/asm/posix_types.h @@ -1,8 +1,155 @@ -#ifndef ___ASM_SPARC_POSIX_TYPES_H -#define ___ASM_SPARC_POSIX_TYPES_H +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +#ifndef __SPARC_POSIX_TYPES_H +#define __SPARC_POSIX_TYPES_H + #if defined(__sparc__) && defined(__arch64__) -#include +/* sparc 64 bit */ +typedef unsigned long __kernel_size_t; +typedef long __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_clock_t; +typedef int __kernel_pid_t; +typedef int __kernel_ipc_pid_t; +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned int __kernel_mode_t; +typedef unsigned short __kernel_umode_t; +typedef unsigned int __kernel_nlink_t; +typedef int __kernel_daddr_t; +typedef long __kernel_off_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef int __kernel_clockid_t; +typedef int __kernel_timer_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef __kernel_uid_t __kernel_uid32_t; +typedef __kernel_gid_t __kernel_gid32_t; + +typedef unsigned int __kernel_old_dev_t; + +/* Note this piece of asymmetry from the v9 ABI. */ +typedef int __kernel_suseconds_t; + #else -#include -#endif +/* sparc 32 bit */ + +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef long int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_umode_t; +typedef short __kernel_nlink_t; +typedef long __kernel_daddr_t; +typedef long __kernel_off_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; +typedef unsigned short __kernel_old_dev_t; +typedef int __kernel_clockid_t; +typedef int __kernel_timer_t; + +#endif /* defined(__sparc__) && defined(__arch64__) */ + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; #endif + +typedef struct { + int val[2]; +} __kernel_fsid_t; + +#ifdef __KERNEL__ + +#undef __FD_SET +static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] |= (1UL<<_rem); +} + +#undef __FD_CLR +static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); +} + +#undef __FD_ISSET +static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant cases (8 or 32 longs, + * for 256 and 1024-bit fd_sets respectively) + */ +#undef __FD_ZERO +static inline void __FD_ZERO(__kernel_fd_set *p) +{ + unsigned long *tmp = p->fds_bits; + int i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 32: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; + tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; + tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; + tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; + tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; + tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; + return; + case 16: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; + tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; + return; + case 8: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; + return; + case 4: + tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; + return; + } + } + i = __FDSET_LONGS; + while (i) { + i--; + *tmp = 0; + tmp++; + } +} + +#endif /* __KERNEL__ */ +#endif /* __SPARC_POSIX_TYPES_H */ diff --git a/arch/sparc/include/asm/posix_types_32.h b/arch/sparc/include/asm/posix_types_32.h deleted file mode 100644 index 6bb6eb1..0000000 --- a/arch/sparc/include/asm/posix_types_32.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef __ARCH_SPARC_POSIX_TYPES_H -#define __ARCH_SPARC_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef long int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef short __kernel_nlink_t; -typedef long __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */ diff --git a/arch/sparc/include/asm/posix_types_64.h b/arch/sparc/include/asm/posix_types_64.h deleted file mode 100644 index ba8f932..0000000 --- a/arch/sparc/include/asm/posix_types_64.h +++ /dev/null @@ -1,122 +0,0 @@ -#ifndef __ARCH_SPARC64_POSIX_TYPES_H -#define __ARCH_SPARC64_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef unsigned int __kernel_nlink_t; -typedef int __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef __kernel_uid_t __kernel_uid32_t; -typedef __kernel_gid_t __kernel_gid32_t; - -typedef unsigned int __kernel_old_dev_t; - -/* Note this piece of asymmetry from the v9 ABI. */ -typedef int __kernel_suseconds_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */ -- cgit v0.10.2 From 104e28059d771274b545b4772a27c5c8f9af2767 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 18:39:10 -0800 Subject: sparc32: drop __old_kernel_stat sparc32 does not define __ARCH_WANT_OLD_STAT so we do not use this structure neither do we support it. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h index 2299e1d5..643d572 100644 --- a/arch/sparc/include/asm/stat_32.h +++ b/arch/sparc/include/asm/stat_32.h @@ -3,20 +3,6 @@ #include -struct __old_kernel_stat { - unsigned short st_dev; - unsigned short st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_mtime; - unsigned long st_ctime; -}; - struct stat { unsigned short st_dev; unsigned long st_ino; -- cgit v0.10.2 From 085219f79cad89291699bd2bfb21c9fdabafe65f Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 18:47:34 -0800 Subject: sparc32: use proper types in struct stat Like sparc64 use proper types in struct stat Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h index 643d572..45b3ee4 100644 --- a/arch/sparc/include/asm/stat_32.h +++ b/arch/sparc/include/asm/stat_32.h @@ -5,21 +5,21 @@ struct stat { unsigned short st_dev; - unsigned long st_ino; - unsigned short st_mode; + ino_t st_ino; + mode_t st_mode; short st_nlink; - unsigned short st_uid; - unsigned short st_gid; + uid_t st_uid; + gid_t st_gid; unsigned short st_rdev; - long st_size; - long st_atime; + off_t st_size; + time_t st_atime; unsigned long st_atime_nsec; - long st_mtime; + time_t st_mtime; unsigned long st_mtime_nsec; - long st_ctime; + time_t st_ctime; unsigned long st_ctime_nsec; - long st_blksize; - long st_blocks; + off_t st_blksize; + off_t st_blocks; unsigned long __unused4[2]; }; -- cgit v0.10.2 From 12aa0b17328a01490c9e53904767ca59596f9ea1 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 18:48:21 -0800 Subject: sparc: unify stat.h To my suprise struct stat64 was not equal on sparc 32 and sparc64, so there was really nothing to share here. Unify the files by adding their respective content to stat.h. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 57bcc1f..42cf483 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -11,8 +11,6 @@ header-y += siginfo_32.h header-y += siginfo_64.h header-y += signal_32.h header-y += signal_64.h -header-y += stat_32.h -header-y += stat_64.h header-y += apc.h header-y += asi.h diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h index d815301..55db5ec 100644 --- a/arch/sparc/include/asm/stat.h +++ b/arch/sparc/include/asm/stat.h @@ -1,8 +1,107 @@ -#ifndef ___ASM_SPARC_STAT_H -#define ___ASM_SPARC_STAT_H +#ifndef __SPARC_STAT_H +#define __SPARC_STAT_H + +#include + #if defined(__sparc__) && defined(__arch64__) -#include +/* 64 bit sparc */ +struct stat { + unsigned st_dev; + ino_t st_ino; + mode_t st_mode; + short st_nlink; + uid_t st_uid; + gid_t st_gid; + unsigned st_rdev; + off_t st_size; + time_t st_atime; + time_t st_mtime; + time_t st_ctime; + off_t st_blksize; + off_t st_blocks; + unsigned long __unused4[2]; +}; + +struct stat64 { + unsigned long st_dev; + unsigned long st_ino; + unsigned long st_nlink; + + unsigned int st_mode; + unsigned int st_uid; + unsigned int st_gid; + unsigned int __pad0; + + unsigned long st_rdev; + long st_size; + long st_blksize; + long st_blocks; + + unsigned long st_atime; + unsigned long st_atime_nsec; + unsigned long st_mtime; + unsigned long st_mtime_nsec; + unsigned long st_ctime; + unsigned long st_ctime_nsec; + long __unused[3]; +}; + #else -#include -#endif -#endif +/* 32 bit sparc */ +struct stat { + unsigned short st_dev; + ino_t st_ino; + mode_t st_mode; + short st_nlink; + uid_t st_uid; + gid_t st_gid; + unsigned short st_rdev; + off_t st_size; + time_t st_atime; + unsigned long st_atime_nsec; + time_t st_mtime; + unsigned long st_mtime_nsec; + time_t st_ctime; + unsigned long st_ctime_nsec; + off_t st_blksize; + off_t st_blocks; + unsigned long __unused4[2]; +}; + +#define STAT_HAVE_NSEC 1 + +struct stat64 { + unsigned long long st_dev; + + unsigned long long st_ino; + + unsigned int st_mode; + unsigned int st_nlink; + + unsigned int st_uid; + unsigned int st_gid; + + unsigned long long st_rdev; + + unsigned char __pad3[8]; + + long long st_size; + unsigned int st_blksize; + + unsigned char __pad4[8]; + unsigned int st_blocks; + + unsigned int st_atime; + unsigned int st_atime_nsec; + + unsigned int st_mtime; + unsigned int st_mtime_nsec; + + unsigned int st_ctime; + unsigned int st_ctime_nsec; + + unsigned int __unused4; + unsigned int __unused5; +}; +#endif /* defined(__sparc__) && defined(__arch64__) */ +#endif /* __SPARC_STAT_H */ diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h deleted file mode 100644 index 45b3ee4..0000000 --- a/arch/sparc/include/asm/stat_32.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _SPARC_STAT_H -#define _SPARC_STAT_H - -#include - -struct stat { - unsigned short st_dev; - ino_t st_ino; - mode_t st_mode; - short st_nlink; - uid_t st_uid; - gid_t st_gid; - unsigned short st_rdev; - off_t st_size; - time_t st_atime; - unsigned long st_atime_nsec; - time_t st_mtime; - unsigned long st_mtime_nsec; - time_t st_ctime; - unsigned long st_ctime_nsec; - off_t st_blksize; - off_t st_blocks; - unsigned long __unused4[2]; -}; - -#define STAT_HAVE_NSEC 1 - -struct stat64 { - unsigned long long st_dev; - - unsigned long long st_ino; - - unsigned int st_mode; - unsigned int st_nlink; - - unsigned int st_uid; - unsigned int st_gid; - - unsigned long long st_rdev; - - unsigned char __pad3[8]; - - long long st_size; - unsigned int st_blksize; - - unsigned char __pad4[8]; - unsigned int st_blocks; - - unsigned int st_atime; - unsigned int st_atime_nsec; - - unsigned int st_mtime; - unsigned int st_mtime_nsec; - - unsigned int st_ctime; - unsigned int st_ctime_nsec; - - unsigned int __unused4; - unsigned int __unused5; -}; - -#endif diff --git a/arch/sparc/include/asm/stat_64.h b/arch/sparc/include/asm/stat_64.h deleted file mode 100644 index 9650fde..0000000 --- a/arch/sparc/include/asm/stat_64.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _SPARC64_STAT_H -#define _SPARC64_STAT_H - -#include - -struct stat { - unsigned st_dev; - ino_t st_ino; - mode_t st_mode; - short st_nlink; - uid_t st_uid; - gid_t st_gid; - unsigned st_rdev; - off_t st_size; - time_t st_atime; - time_t st_mtime; - time_t st_ctime; - off_t st_blksize; - off_t st_blocks; - unsigned long __unused4[2]; -}; - -struct stat64 { - unsigned long st_dev; - unsigned long st_ino; - unsigned long st_nlink; - - unsigned int st_mode; - unsigned int st_uid; - unsigned int st_gid; - unsigned int __pad0; - - unsigned long st_rdev; - long st_size; - long st_blksize; - long st_blocks; - - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; - long __unused[3]; -}; - -#endif -- cgit v0.10.2 From a0381a9480fffc6269d06f79da5fa5c511621c29 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 2 Jan 2009 19:12:46 -0800 Subject: sparc: Kill bogus comment about IRQF_SHARED in pci_psycho.c Noticed by Geert Uytterhoeven. Signed-off-by: David S. Miller diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index dfb3ec8..3b34344 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -307,10 +307,7 @@ static void psycho_register_error_handlers(struct pci_pbm_info *pbm) /* We really mean to ignore the return result here. Two * PCI controller share the same interrupt numbers and - * drive the same front-end hardware. Whichever of the - * two get in here first will register the IRQ handler - * the second will just error out since we do not pass in - * IRQF_SHARED. + * drive the same front-end hardware. */ err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO_UE", pbm); -- cgit v0.10.2 From 55d646feee9c0ced63f4189aca4ba7c9508b75f9 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 19:17:47 -0800 Subject: sparc64: prepare signal_64 for unification o add a sparc32 only definition o fix a few style issues (white space errors etc). o include compiler.h (for __user) Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/signal_64.h b/arch/sparc/include/asm/signal_64.h index ab1509a..41535e7 100644 --- a/arch/sparc/include/asm/signal_64.h +++ b/arch/sparc/include/asm/signal_64.h @@ -1,7 +1,8 @@ -#ifndef _ASMSPARC64_SIGNAL_H -#define _ASMSPARC64_SIGNAL_H +#ifndef __SPARC_SIGNAL_H +#define __SPARC_SIGNAL_H #include +#include #ifdef __KERNEL__ #ifndef __ASSEMBLY__ @@ -83,8 +84,8 @@ #define __OLD_NSIG 32 #define __NEW_NSIG 64 -#define _NSIG_BPW 64 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) +#define _NSIG_BPW 64 +#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) #define SIGRTMIN 32 #define SIGRTMAX __NEW_NSIG @@ -156,20 +157,35 @@ struct sigstack { #define MINSIGSTKSZ 4096 #define SIGSTKSZ 16384 +#ifdef __KERNEL__ +/* + * DJHR + * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this + * interrupt handler's irq structure should be statically allocated + * by the request_irq routine. + * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge + * of interrupt usage and that sucks. Also without a flag like this + * it may be possible for the free_irq routine to attempt to free + * statically allocated data.. which is NOT GOOD. + * + */ +#define SA_STATIC_ALLOC 0x8000 +#endif + #include struct __new_sigaction { __sighandler_t sa_handler; unsigned long sa_flags; - __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ + __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ __new_sigset_t sa_mask; }; struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ + __sighandler_t sa_handler; + __old_sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ }; typedef struct sigaltstack { @@ -181,8 +197,8 @@ typedef struct sigaltstack { #ifdef __KERNEL__ struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; + struct __new_sigaction sa; + void __user *ka_restorer; }; #define ptrace_signal_deliver(regs, cookie) do { } while (0) @@ -191,4 +207,4 @@ struct k_sigaction { #endif /* !(__ASSEMBLY__) */ -#endif /* !(_ASMSPARC64_SIGNAL_H) */ +#endif /* !(__SPARC_SIGNAL_H) */ -- cgit v0.10.2 From ece93487c31607558f4b91f378fcee4b43956dbc Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 19:21:06 -0800 Subject: sparc: unify signal.h They were almost identical and with the preapration patch nothing was needed to be added. The unified version contains a few sparc64 only definitions but they are kept as is and not protected by ifdef/endif. The unified version exports a bit more to userspace then the 32 bit version did. This is not considered fatal. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 42cf483..fe724d4 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -9,8 +9,6 @@ header-y += sigcontext_32.h header-y += sigcontext_64.h header-y += siginfo_32.h header-y += siginfo_64.h -header-y += signal_32.h -header-y += signal_64.h header-y += apc.h header-y += asi.h diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index 27ab05d..41535e7 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -1,8 +1,210 @@ -#ifndef ___ASM_SPARC_SIGNAL_H -#define ___ASM_SPARC_SIGNAL_H -#if defined(__sparc__) && defined(__arch64__) -#include +#ifndef __SPARC_SIGNAL_H +#define __SPARC_SIGNAL_H + +#include +#include + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +#include +#include +#endif +#endif + +/* On the Sparc the signal handlers get passed a 'sub-signal' code + * for certain signal types, which we document here. + */ +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SUBSIG_STACK 0 +#define SUBSIG_ILLINST 2 +#define SUBSIG_PRIVINST 3 +#define SUBSIG_BADTRAP(t) (0x80 + (t)) + +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 + +#define SIGEMT 7 +#define SUBSIG_TAG 10 + +#define SIGFPE 8 +#define SUBSIG_FPDISABLED 0x400 +#define SUBSIG_FPERROR 0x404 +#define SUBSIG_FPINTOVFL 0x001 +#define SUBSIG_FPSTSIG 0x002 +#define SUBSIG_IDIVZERO 0x014 +#define SUBSIG_FPINEXACT 0x0c4 +#define SUBSIG_FPDIVZERO 0x0c8 +#define SUBSIG_FPUNFLOW 0x0cc +#define SUBSIG_FPOPERROR 0x0d0 +#define SUBSIG_FPOVFLOW 0x0d4 + +#define SIGKILL 9 +#define SIGBUS 10 +#define SUBSIG_BUSTIMEOUT 1 +#define SUBSIG_ALIGNMENT 2 +#define SUBSIG_MISCERROR 5 + +#define SIGSEGV 11 +#define SUBSIG_NOMAPPING 3 +#define SUBSIG_PROTECTION 4 +#define SUBSIG_SEGERROR 5 + +#define SIGSYS 12 + +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGURG 16 + +/* SunOS values which deviate from the Linux/i386 ones */ +#define SIGSTOP 17 +#define SIGTSTP 18 +#define SIGCONT 19 +#define SIGCHLD 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGIO 23 +#define SIGPOLL SIGIO /* SysV name for SIGIO */ +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGLOST 29 +#define SIGPWR SIGLOST +#define SIGUSR1 30 +#define SIGUSR2 31 + +/* Most things should be clean enough to redefine this at will, if care + is taken to make libc match. */ + +#define __OLD_NSIG 32 +#define __NEW_NSIG 64 +#define _NSIG_BPW 64 +#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) + +#define SIGRTMIN 32 +#define SIGRTMAX __NEW_NSIG + +#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) +#define _NSIG __NEW_NSIG +#define __new_sigset_t sigset_t +#define __new_sigaction sigaction +#define __new_sigaction32 sigaction32 +#define __old_sigset_t old_sigset_t +#define __old_sigaction old_sigaction +#define __old_sigaction32 old_sigaction32 #else -#include +#define _NSIG __OLD_NSIG +#define NSIG _NSIG +#define __old_sigset_t sigset_t +#define __old_sigaction sigaction +#define __old_sigaction32 sigaction32 #endif + +#ifndef __ASSEMBLY__ + +typedef unsigned long __old_sigset_t; /* at least 32 bits */ + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} __new_sigset_t; + +/* A SunOS sigstack */ +struct sigstack { + /* XXX 32-bit pointers pinhead XXX */ + char *the_stack; + int cur_status; +}; + +/* Sigvec flags */ +#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ +#define _SV_INTR 2u /* Sig return should not restart system call */ +#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ +#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ + +/* + * sa_flags values: SA_STACK is not currently supported, but will allow the + * usage of signal stacks by using the (now obsolete) sa_restorer field in + * the sigaction structure as a stack pointer. This is now possible due to + * the changes in signal handling. LBT 010493. + * SA_RESTART flag to get restarting signals (which were the default long ago) + */ +#define SA_NOCLDSTOP _SV_IGNCHILD +#define SA_STACK _SV_SSTACK +#define SA_ONSTACK _SV_SSTACK +#define SA_RESTART _SV_INTR +#define SA_ONESHOT _SV_RESET +#define SA_NOMASK 0x20u +#define SA_NOCLDWAIT 0x100u +#define SA_SIGINFO 0x200u + + +#define SIG_BLOCK 0x01 /* for blocking signals */ +#define SIG_UNBLOCK 0x02 /* for unblocking signals */ +#define SIG_SETMASK 0x04 /* for setting the signal mask */ + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 4096 +#define SIGSTKSZ 16384 + +#ifdef __KERNEL__ +/* + * DJHR + * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this + * interrupt handler's irq structure should be statically allocated + * by the request_irq routine. + * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge + * of interrupt usage and that sucks. Also without a flag like this + * it may be possible for the free_irq routine to attempt to free + * statically allocated data.. which is NOT GOOD. + * + */ +#define SA_STATIC_ALLOC 0x8000 #endif + +#include + +struct __new_sigaction { + __sighandler_t sa_handler; + unsigned long sa_flags; + __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ + __new_sigset_t sa_mask; +}; + +struct __old_sigaction { + __sighandler_t sa_handler; + __old_sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ +}; + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ + +struct k_sigaction { + struct __new_sigaction sa; + void __user *ka_restorer; +}; + +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* !(__KERNEL__) */ + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_32.h b/arch/sparc/include/asm/signal_32.h deleted file mode 100644 index 96a60ab..0000000 --- a/arch/sparc/include/asm/signal_32.h +++ /dev/null @@ -1,207 +0,0 @@ -#ifndef _ASMSPARC_SIGNAL_H -#define _ASMSPARC_SIGNAL_H - -#include -#include - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include -#include -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 32 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#else -#define _NSIG __OLD_NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - - -#ifdef __KERNEL__ -/* A SunOS sigstack */ -struct sigstack { - char *the_stack; - int cur_status; -}; -#endif - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#ifdef __KERNEL__ -/* - * DJHR - * SA_STATIC_ALLOC is used for the SPARC system to indicate that this - * interrupt handler's irq structure should be statically allocated - * by the request_irq routine. - * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge - * of interrupt usage and that sucks. Also without a flag like this - * it may be possible for the free_irq routine to attempt to free - * statically allocated data.. which is NOT GOOD. - * - */ -#define SA_STATIC_ALLOC 0x8000 -#endif - -#include - -#ifdef __KERNEL__ -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); /* Not used by Linux/SPARC */ - __new_sigset_t sa_mask; -}; - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer) (void); /* not used by Linux/SPARC */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_ASMSPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_64.h b/arch/sparc/include/asm/signal_64.h deleted file mode 100644 index 41535e7..0000000 --- a/arch/sparc/include/asm/signal_64.h +++ /dev/null @@ -1,210 +0,0 @@ -#ifndef __SPARC_SIGNAL_H -#define __SPARC_SIGNAL_H - -#include -#include - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include -#include -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 64 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __new_sigaction32 sigaction32 -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#define __old_sigaction32 old_sigaction32 -#else -#define _NSIG __OLD_NSIG -#define NSIG _NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#define __old_sigaction32 sigaction32 -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - -/* A SunOS sigstack */ -struct sigstack { - /* XXX 32-bit pointers pinhead XXX */ - char *the_stack; - int cur_status; -}; - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#ifdef __KERNEL__ -/* - * DJHR - * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this - * interrupt handler's irq structure should be statically allocated - * by the request_irq routine. - * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge - * of interrupt usage and that sucks. Also without a flag like this - * it may be possible for the free_irq routine to attempt to free - * statically allocated data.. which is NOT GOOD. - * - */ -#define SA_STATIC_ALLOC 0x8000 -#endif - -#include - -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ - __new_sigset_t sa_mask; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_SIGNAL_H) */ -- cgit v0.10.2 From 4d7b92ad572b4bd4d92fc80911641bb6cba3b99c Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 19:32:59 -0800 Subject: sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t Renaming a few types to contain a 32 suffix makes the type names compatible with sparc64 and thus makes sharing between the two a lot easier. Note: None of these definitions are expected part of the stable ABI towards userspace. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index 2ae67a2..09521c6 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -99,7 +99,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, "st\t%%g0, [%0 + %3 + 0x3c]" : /* no outputs */ : "r" (regs), - "r" (sp - sizeof(struct reg_window)), + "r" (sp - sizeof(struct reg_window32)), "r" (zero), "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])) : "memory"); diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h index 4cef450..acb2d89d 100644 --- a/arch/sparc/include/asm/ptrace_32.h +++ b/arch/sparc/include/asm/ptrace_32.h @@ -41,7 +41,7 @@ struct pt_regs { #define UREG_RETPC UREG_I7 /* A register window */ -struct reg_window { +struct reg_window32 { unsigned long locals[8]; unsigned long ins[8]; }; diff --git a/arch/sparc/include/asm/sigcontext_32.h b/arch/sparc/include/asm/sigcontext_32.h index c5fb60d..756e996 100644 --- a/arch/sparc/include/asm/sigcontext_32.h +++ b/arch/sparc/include/asm/sigcontext_32.h @@ -9,7 +9,7 @@ #define __SUNOS_MAXWIN 31 /* This is what SunOS does, so shall I. */ -struct sigcontext { +struct sigcontext32 { int sigc_onstack; /* state to restore */ int sigc_mask; /* sigmask to restore */ int sigc_sp; /* stack pointer */ @@ -28,10 +28,7 @@ struct sigcontext { char *sigc_spbuf[__SUNOS_MAXWIN]; /* Windows to restore after signal */ - struct { - unsigned long locals[8]; - unsigned long ins[8]; - } sigc_wbuf[__SUNOS_MAXWIN]; + struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; }; typedef struct { @@ -43,7 +40,7 @@ typedef struct { unsigned long u_regs[16]; /* globals and ins */ } si_regs; int si_mask; -} __siginfo_t; +} __siginfo32_t; typedef struct { unsigned long si_float_regs [32]; diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index 80fe547..0f7b0e5 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -45,7 +45,7 @@ struct thread_info { /* A place to store user windows and stack pointers * when the stack needs inspection. */ - struct reg_window reg_window[NSWINS]; /* align for ldd! */ + struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ unsigned long rwbuf_stkptrs[NSWINS]; unsigned long w_saved; diff --git a/arch/sparc/kernel/kgdb_32.c b/arch/sparc/kernel/kgdb_32.c index 757805c..04df4ed 100644 --- a/arch/sparc/kernel/kgdb_32.c +++ b/arch/sparc/kernel/kgdb_32.c @@ -14,14 +14,14 @@ extern unsigned long trapbase; void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; int i; gdb_regs[GDB_G0] = 0; for (i = 0; i < 15; i++) gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; for (i = 0; i < 8; i++) gdb_regs[GDB_L0 + i] = win->locals[i]; for (i = 0; i < 8; i++) @@ -43,7 +43,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) { struct thread_info *t = task_thread_info(p); - struct reg_window *win; + struct reg_window32 *win; int i; for (i = GDB_G0; i < GDB_G6; i++) @@ -55,7 +55,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[GDB_SP] = t->ksp; gdb_regs[GDB_O7] = 0; - win = (struct reg_window *) t->ksp; + win = (struct reg_window32 *) t->ksp; for (i = 0; i < 8; i++) gdb_regs[GDB_L0 + i] = win->locals[i]; for (i = 0; i < 8; i++) @@ -77,7 +77,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; int i; for (i = 0; i < 15; i++) @@ -96,7 +96,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) regs->npc = gdb_regs[GDB_NPC]; regs->y = gdb_regs[GDB_Y]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; for (i = 0; i < 8; i++) win->locals[i] = gdb_regs[GDB_L0 + i]; for (i = 0; i < 8; i++) diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c index ba960c0..6ce1021 100644 --- a/arch/sparc/kernel/muldiv.c +++ b/arch/sparc/kernel/muldiv.c @@ -60,7 +60,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, } #define fetch_reg(reg, regs) ({ \ - struct reg_window __user *win; \ + struct reg_window32 __user *win; \ register unsigned long ret; \ \ if (!(reg)) ret = 0; \ @@ -68,7 +68,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, ret = regs->u_regs[(reg)]; \ } else { \ /* Ho hum, the slightly complicated case. */ \ - win = (struct reg_window __user *)regs->u_regs[UREG_FP];\ + win = (struct reg_window32 __user *)regs->u_regs[UREG_FP];\ if (get_user (ret, &win->locals[(reg) - 16])) return -1;\ } \ ret; \ @@ -77,7 +77,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, static inline int store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs) { - struct reg_window __user *win; + struct reg_window32 __user *win; if (!reg) return 0; @@ -86,7 +86,7 @@ store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs) return 0; } else { /* need to use put_user() in this case: */ - win = (struct reg_window __user *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 __user *) regs->u_regs[UREG_FP]; return (put_user(result, &win->locals[reg - 16])); } } diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 69d9315..5a8d8ce 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -180,13 +180,13 @@ static DEFINE_SPINLOCK(sparc_backtrace_lock); void __show_backtrace(unsigned long fp) { - struct reg_window *rw; + struct reg_window32 *rw; unsigned long flags; int cpu = smp_processor_id(); spin_lock_irqsave(&sparc_backtrace_lock, flags); - rw = (struct reg_window *)fp; + rw = (struct reg_window32 *)fp; while(rw && (((unsigned long) rw) >= PAGE_OFFSET) && !(((unsigned long) rw) & 0x7)) { printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] " @@ -196,7 +196,7 @@ void __show_backtrace(unsigned long fp) rw->ins[6], rw->ins[7]); printk("%pS\n", (void *) rw->ins[7]); - rw = (struct reg_window *) rw->ins[6]; + rw = (struct reg_window32 *) rw->ins[6]; } spin_unlock_irqrestore(&sparc_backtrace_lock, flags); } @@ -258,7 +258,7 @@ void show_stackframe(struct sparc_stackf *sf) void show_regs(struct pt_regs *r) { - struct reg_window *rw = (struct reg_window *) r->u_regs[14]; + struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14]; printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", r->psr, r->pc, r->npc, r->y, print_tainted()); @@ -287,7 +287,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) { unsigned long pc, fp; unsigned long task_base; - struct reg_window *rw; + struct reg_window32 *rw; int count = 0; if (tsk != NULL) @@ -301,7 +301,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (PAGE_SIZE << 1))) break; - rw = (struct reg_window *) fp; + rw = (struct reg_window32 *) fp; pc = rw->ins[7]; printk("[%08lx : ", pc); printk("%pS ] ", (void *) pc); @@ -679,7 +679,7 @@ unsigned long get_wchan(struct task_struct *task) unsigned long pc, fp, bias = 0; unsigned long task_base = (unsigned long) task; unsigned long ret = 0; - struct reg_window *rw; + struct reg_window32 *rw; int count = 0; if (!task || task == current || @@ -692,7 +692,7 @@ unsigned long get_wchan(struct task_struct *task) if (fp < (task_base + sizeof(struct thread_info)) || fp >= (task_base + (2 * PAGE_SIZE))) break; - rw = (struct reg_window *) fp; + rw = (struct reg_window32 *) fp; pc = rw->ins[7]; if (!in_sched_functions(pc)) { ret = pc; diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index c94f91c..181d069 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -34,7 +34,7 @@ extern void fpload(unsigned long *fpregs, unsigned long *fsr); struct signal_frame { struct sparc_stackf ss; - __siginfo_t info; + __siginfo32_t info; __siginfo_fpu_t __user *fpu_save; unsigned long insns[2] __attribute__ ((aligned (8))); unsigned int extramask[_NSIG_WORDS - 1]; @@ -351,7 +351,7 @@ static void setup_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __copy_to_user(sf->extramask, &oldset->sig[1], (_NSIG_WORDS - 1) * sizeof(unsigned int)); err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window)); + sizeof(struct reg_window32)); if (err) goto sigsegv; @@ -433,7 +433,7 @@ static void setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(current->sas_ss_size, &sf->stack.ss_size); err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP], - sizeof(struct reg_window)); + sizeof(struct reg_window32)); err |= copy_siginfo_to_user(&sf->info, info); diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c index 716f394..213645b 100644 --- a/arch/sparc/kernel/traps_32.c +++ b/arch/sparc/kernel/traps_32.c @@ -67,7 +67,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) __RESTORE; __RESTORE; __RESTORE; __RESTORE; { - struct reg_window *rw = (struct reg_window *)regs->u_regs[UREG_FP]; + struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP]; /* Stop the back trace when we hit userland or we * find some badly aligned kernel stack. Set an upper @@ -79,7 +79,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) !(((unsigned long) rw) & 0x7)) { printk("Caller[%08lx]: %pS\n", rw->ins[7], (void *) rw->ins[7]); - rw = (struct reg_window *)rw->ins[6]; + rw = (struct reg_window32 *)rw->ins[6]; } } printk("Instruction DUMP:"); diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index c2a28c5..6b1e6cd 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -97,26 +97,26 @@ static inline int sign_extend_imm13(int imm) static inline unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; if(reg < 16) return (!reg ? 0 : regs->u_regs[reg]); /* Ho hum, the slightly complicated case. */ - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; return win->locals[reg - 16]; /* yes, I know what this does... */ } static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *regs) { - struct reg_window __user *win; + struct reg_window32 __user *win; unsigned long ret; if (reg < 16) return (!reg ? 0 : regs->u_regs[reg]); /* Ho hum, the slightly complicated case. */ - win = (struct reg_window __user *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 __user *) regs->u_regs[UREG_FP]; if ((unsigned long)win & 3) return -1; @@ -129,11 +129,11 @@ static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *reg static inline unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs) { - struct reg_window *win; + struct reg_window32 *win; if(reg < 16) return ®s->u_regs[reg]; - win = (struct reg_window *) regs->u_regs[UREG_FP]; + win = (struct reg_window32 *) regs->u_regs[UREG_FP]; return &win->locals[reg - 16]; } diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index 9cc93ea..f24d298 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -42,7 +42,7 @@ static inline void shift_window_buffer(int first_win, int last_win, struct threa for(i = first_win; i < last_win; i++) { tp->rwbuf_stkptrs[i] = tp->rwbuf_stkptrs[i+1]; - memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window)); + memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window32)); } } @@ -70,7 +70,7 @@ void synchronize_user_stack(void) /* Ok, let it rip. */ if (copy_to_user((char __user *) sp, &tp->reg_window[window], - sizeof(struct reg_window))) + sizeof(struct reg_window32))) continue; shift_window_buffer(window, tp->w_saved - 1, tp); @@ -119,7 +119,7 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who) if ((sp & 7) || copy_to_user((char __user *) sp, &tp->reg_window[window], - sizeof(struct reg_window))) + sizeof(struct reg_window32))) do_exit(SIGILL); } tp->w_saved = 0; -- cgit v0.10.2 From bd703d88a2dbeb6c7945345de427eedf78ef89c6 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 19:34:46 -0800 Subject: sparc: unify sigcontext.h With the renamed types in place the unification was straightforward. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index fe724d4..b0a3814 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -5,8 +5,6 @@ header-y += ipcbuf_32.h header-y += ipcbuf_64.h header-y += ptrace_32.h header-y += ptrace_64.h -header-y += sigcontext_32.h -header-y += sigcontext_64.h header-y += siginfo_32.h header-y += siginfo_64.h diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h index e92de7e..a1607d18 100644 --- a/arch/sparc/include/asm/sigcontext.h +++ b/arch/sparc/include/asm/sigcontext.h @@ -1,8 +1,96 @@ -#ifndef ___ASM_SPARC_SIGCONTEXT_H -#define ___ASM_SPARC_SIGCONTEXT_H -#if defined(__sparc__) && defined(__arch64__) -#include +#ifndef __SPARC_SIGCONTEXT_H +#define __SPARC_SIGCONTEXT_H + +#ifdef __KERNEL__ +#include + +#ifndef __ASSEMBLY__ + +#define __SUNOS_MAXWIN 31 + +/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ +struct sigcontext32 { + int sigc_onstack; /* state to restore */ + int sigc_mask; /* sigmask to restore */ + int sigc_sp; /* stack pointer */ + int sigc_pc; /* program counter */ + int sigc_npc; /* next program counter */ + int sigc_psr; /* for condition codes etc */ + int sigc_g1; /* User uses these two registers */ + int sigc_o0; /* within the trampoline code. */ + + /* Now comes information regarding the users window set + * at the time of the signal. + */ + int sigc_oswins; /* outstanding windows */ + + /* stack ptrs for each regwin buf */ + unsigned sigc_spbuf[__SUNOS_MAXWIN]; + + /* Windows to restore after signal */ + struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; +}; + + +/* This is what we use for 32bit new non-rt signals. */ + +typedef struct { + struct { + unsigned int psr; + unsigned int pc; + unsigned int npc; + unsigned int y; + unsigned int u_regs[16]; /* globals and ins */ + } si_regs; + int si_mask; +} __siginfo32_t; + +#ifdef CONFIG_SPARC64 +typedef struct { + unsigned int si_float_regs [64]; + unsigned long si_fsr; + unsigned long si_gsr; + unsigned long si_fprs; +} __siginfo_fpu_t; + +/* This is what SunOS doesn't, so we have to write this alone + and do it properly. */ +struct sigcontext { + /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ + char sigc_info[128]; + struct { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + unsigned int fprs; + } sigc_regs; + __siginfo_fpu_t * sigc_fpu_save; + struct { + void * ss_sp; + int ss_flags; + unsigned long ss_size; + } sigc_stack; + unsigned long sigc_mask; +}; + #else -#include -#endif -#endif + +typedef struct { + unsigned long si_float_regs [32]; + unsigned long si_fsr; + unsigned long si_fpqdepth; + struct { + unsigned long *insn_addr; + unsigned long insn; + } si_fpqueue [16]; +} __siginfo_fpu_t; +#endif /* (CONFIG_SPARC64) */ + + +#endif /* !(__ASSEMBLY__) */ + +#endif /* (__KERNEL__) */ + +#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_32.h b/arch/sparc/include/asm/sigcontext_32.h deleted file mode 100644 index 756e996..0000000 --- a/arch/sparc/include/asm/sigcontext_32.h +++ /dev/null @@ -1,59 +0,0 @@ -#ifndef __SPARC_SIGCONTEXT_H -#define __SPARC_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include - -#ifndef __ASSEMBLY__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I. */ -struct sigcontext32 { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - char *sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; -}; - -typedef struct { - struct { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo32_t; - -typedef struct { - unsigned long si_float_regs [32]; - unsigned long si_fsr; - unsigned long si_fpqdepth; - struct { - unsigned long *insn_addr; - unsigned long insn; - } si_fpqueue [16]; -} __siginfo_fpu_t; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* (__KERNEL__) */ - -#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_64.h b/arch/sparc/include/asm/sigcontext_64.h deleted file mode 100644 index 1c868d6..0000000 --- a/arch/sparc/include/asm/sigcontext_64.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef __SPARC64_SIGCONTEXT_H -#define __SPARC64_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include -#endif - -#ifndef __ASSEMBLY__ - -#ifdef __KERNEL__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ -struct sigcontext32 { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - unsigned sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; -}; - -#endif - -#ifdef __KERNEL__ - -/* This is what we use for 32bit new non-rt signals. */ - -typedef struct { - struct { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo32_t; - -#endif - -typedef struct { - unsigned int si_float_regs [64]; - unsigned long si_fsr; - unsigned long si_gsr; - unsigned long si_fprs; -} __siginfo_fpu_t; - -/* This is what SunOS doesn't, so we have to write this alone - and do it properly. */ -struct sigcontext { - /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ - char sigc_info[128]; - struct { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - unsigned int fprs; - } sigc_regs; - __siginfo_fpu_t * sigc_fpu_save; - struct { - void * ss_sp; - int ss_flags; - unsigned long ss_size; - } sigc_stack; - unsigned long sigc_mask; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_SIGCONTEXT_H) */ -- cgit v0.10.2 From f3ec38d5135ca4bff0132c0782da6da4663ae0e5 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 19:42:12 -0800 Subject: sparc: unify ptrace.h The two ptrace.h implementations are very alike but the small differences required two set of ifdef/else/endif pairs. The definition of reg_window32 could have been shared but that would have required several updates in sparc32 code as all printk formatting for example assume it is longs. sparc_stackf looked like anohter candidate to share if the 32 bit was renamed to sparc_stackf32. But it contains two pointers in the sparc32 version which would have been 64 bit in the sparc64 version so it was non-trivial. Using a set of accessor macros could do the trick if pursued later. The sparc64 specific definitions are not protected by ifdef - as it should not be required to do so. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index b0a3814..f79249f 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -3,8 +3,6 @@ include include/asm-generic/Kbuild.asm header-y += ipcbuf_32.h header-y += ipcbuf_64.h -header-y += ptrace_32.h -header-y += ptrace_64.h header-y += siginfo_32.h header-y += siginfo_64.h diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index 6dcbe2e..30b0b79 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -1,8 +1,448 @@ -#ifndef ___ASM_SPARC_PTRACE_H -#define ___ASM_SPARC_PTRACE_H +#ifndef __SPARC_PTRACE_H +#define __SPARC_PTRACE_H + #if defined(__sparc__) && defined(__arch64__) -#include +/* 64 bit sparc */ +#include + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. + */ + +/* This magic value must have the low 9 bits clear, + * as that is where we encode the %tt value, see below. + */ +#define PT_REGS_MAGIC 0x57ac6c00 + +#ifndef __ASSEMBLY__ + +#include + +struct pt_regs { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + + /* We encode a magic number, PT_REGS_MAGIC, along + * with the %tt (trap type) register value at trap + * entry time. The magic number allows us to identify + * accurately a trap stack frame in the stack + * unwinder, and the %tt value allows us to test + * things like "in a system call" etc. for an arbitray + * process. + * + * The PT_REGS_MAGIC is choosen such that it can be + * loaded completely using just a sethi instruction. + */ + unsigned int magic; +}; + +struct pt_regs32 { + unsigned int psr; + unsigned int pc; + unsigned int npc; + unsigned int y; + unsigned int u_regs[16]; /* globals and ins */ +}; + +/* A V9 register window */ +struct reg_window { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +/* A 32-bit register window. */ +struct reg_window32 { + unsigned int locals[8]; + unsigned int ins[8]; +}; + +/* A V9 Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; + +/* A 32-bit Sparc stack frame */ +struct sparc_stackf32 { + unsigned int locals[8]; + unsigned int ins[6]; + unsigned int fp; + unsigned int callers_pc; + unsigned int structptr; + unsigned int xargs[6]; + unsigned int xxargs[1]; +}; + +struct sparc_trapf { + unsigned long locals[8]; + unsigned long ins[8]; + unsigned long _unused; + struct pt_regs *regs; +}; +#endif /* (!__ASSEMBLY__) */ #else -#include +/* 32 bit sparc */ + +#include + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. + */ +#ifndef __ASSEMBLY__ + +struct pt_regs { + unsigned long psr; + unsigned long pc; + unsigned long npc; + unsigned long y; + unsigned long u_regs[16]; /* globals and ins */ +}; + +/* A 32-bit register window. */ +struct reg_window32 { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +/* A Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; +#endif /* (!__ASSEMBLY__) */ + +#endif /* (defined(__sparc__) && defined(__arch64__))*/ + +#ifndef __ASSEMBLY__ + +#define TRACEREG_SZ sizeof(struct pt_regs) +#define STACKFRAME_SZ sizeof(struct sparc_stackf) + +#define TRACEREG32_SZ sizeof(struct pt_regs32) +#define STACKFRAME32_SZ sizeof(struct sparc_stackf32) + +#endif /* (!__ASSEMBLY__) */ + +#define UREG_G0 0 +#define UREG_G1 1 +#define UREG_G2 2 +#define UREG_G3 3 +#define UREG_G4 4 +#define UREG_G5 5 +#define UREG_G6 6 +#define UREG_G7 7 +#define UREG_I0 8 +#define UREG_I1 9 +#define UREG_I2 10 +#define UREG_I3 11 +#define UREG_I4 12 +#define UREG_I5 13 +#define UREG_I6 14 +#define UREG_I7 15 +#define UREG_FP UREG_I6 +#define UREG_RETPC UREG_I7 + +#if defined(__sparc__) && defined(__arch64__) +/* 64 bit sparc */ + +#ifndef __ASSEMBLY__ + +#ifdef __KERNEL__ + +#include +#include + +static inline int pt_regs_trap_type(struct pt_regs *regs) +{ + return regs->magic & 0x1ff; +} + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->tstate & TSTATE_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->tstate &= ~TSTATE_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + get_thread_wsaved() != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +struct global_reg_snapshot { + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned long o7; + unsigned long i7; + unsigned long rpc; + struct thread_info *thread; + unsigned long pad1; +}; +extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; + +#define force_successful_syscall_return() \ +do { current_thread_info()->syscall_noerror = 1; \ +} while (0) +#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) +#define instruction_pointer(regs) ((regs)->tpc) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +#define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) +#ifdef CONFIG_SMP +extern unsigned long profile_pc(struct pt_regs *); +#else +#define profile_pc(regs) instruction_pointer(regs) #endif +extern void show_regs(struct pt_regs *); +#endif /* (__KERNEL__) */ + +#else /* __ASSEMBLY__ */ +/* For assembly code. */ +#define TRACEREG_SZ 0xa0 +#define STACKFRAME_SZ 0xc0 + +#define TRACEREG32_SZ 0x50 +#define STACKFRAME32_SZ 0x60 +#endif /* __ASSEMBLY__ */ + +#else /* (defined(__sparc__) && defined(__arch64__)) */ + +/* 32 bit sparc */ + +#ifndef __ASSEMBLY__ + +#ifdef __KERNEL__ + +#include + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->psr & PSR_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->psr &= ~PSR_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + current_thread_info()->w_saved != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +#define user_mode(regs) (!((regs)->psr & PSR_PS)) +#define instruction_pointer(regs) ((regs)->pc) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +unsigned long profile_pc(struct pt_regs *); +extern void show_regs(struct pt_regs *); +#endif /* (__KERNEL__) */ + +#else /* (!__ASSEMBLY__) */ +/* For assembly code. */ +#define TRACEREG_SZ 0x50 +#define STACKFRAME_SZ 0x60 +#endif /* (!__ASSEMBLY__) */ + +#endif /* (defined(__sparc__) && defined(__arch64__)) */ + +#ifdef __KERNEL__ +#define STACK_BIAS 2047 #endif + +/* These are for pt_regs. */ +#define PT_V9_G0 0x00 +#define PT_V9_G1 0x08 +#define PT_V9_G2 0x10 +#define PT_V9_G3 0x18 +#define PT_V9_G4 0x20 +#define PT_V9_G5 0x28 +#define PT_V9_G6 0x30 +#define PT_V9_G7 0x38 +#define PT_V9_I0 0x40 +#define PT_V9_I1 0x48 +#define PT_V9_I2 0x50 +#define PT_V9_I3 0x58 +#define PT_V9_I4 0x60 +#define PT_V9_I5 0x68 +#define PT_V9_I6 0x70 +#define PT_V9_FP PT_V9_I6 +#define PT_V9_I7 0x78 +#define PT_V9_TSTATE 0x80 +#define PT_V9_TPC 0x88 +#define PT_V9_TNPC 0x90 +#define PT_V9_Y 0x98 +#define PT_V9_MAGIC 0x9c +#define PT_TSTATE PT_V9_TSTATE +#define PT_TPC PT_V9_TPC +#define PT_TNPC PT_V9_TNPC + +/* These for pt_regs32. */ +#define PT_PSR 0x0 +#define PT_PC 0x4 +#define PT_NPC 0x8 +#define PT_Y 0xc +#define PT_G0 0x10 +#define PT_WIM PT_G0 +#define PT_G1 0x14 +#define PT_G2 0x18 +#define PT_G3 0x1c +#define PT_G4 0x20 +#define PT_G5 0x24 +#define PT_G6 0x28 +#define PT_G7 0x2c +#define PT_I0 0x30 +#define PT_I1 0x34 +#define PT_I2 0x38 +#define PT_I3 0x3c +#define PT_I4 0x40 +#define PT_I5 0x44 +#define PT_I6 0x48 +#define PT_FP PT_I6 +#define PT_I7 0x4c + +/* Reg_window offsets */ +#define RW_V9_L0 0x00 +#define RW_V9_L1 0x08 +#define RW_V9_L2 0x10 +#define RW_V9_L3 0x18 +#define RW_V9_L4 0x20 +#define RW_V9_L5 0x28 +#define RW_V9_L6 0x30 +#define RW_V9_L7 0x38 +#define RW_V9_I0 0x40 +#define RW_V9_I1 0x48 +#define RW_V9_I2 0x50 +#define RW_V9_I3 0x58 +#define RW_V9_I4 0x60 +#define RW_V9_I5 0x68 +#define RW_V9_I6 0x70 +#define RW_V9_I7 0x78 + +#define RW_L0 0x00 +#define RW_L1 0x04 +#define RW_L2 0x08 +#define RW_L3 0x0c +#define RW_L4 0x10 +#define RW_L5 0x14 +#define RW_L6 0x18 +#define RW_L7 0x1c +#define RW_I0 0x20 +#define RW_I1 0x24 +#define RW_I2 0x28 +#define RW_I3 0x2c +#define RW_I4 0x30 +#define RW_I5 0x34 +#define RW_I6 0x38 +#define RW_I7 0x3c + +/* Stack_frame offsets */ +#define SF_V9_L0 0x00 +#define SF_V9_L1 0x08 +#define SF_V9_L2 0x10 +#define SF_V9_L3 0x18 +#define SF_V9_L4 0x20 +#define SF_V9_L5 0x28 +#define SF_V9_L6 0x30 +#define SF_V9_L7 0x38 +#define SF_V9_I0 0x40 +#define SF_V9_I1 0x48 +#define SF_V9_I2 0x50 +#define SF_V9_I3 0x58 +#define SF_V9_I4 0x60 +#define SF_V9_I5 0x68 +#define SF_V9_FP 0x70 +#define SF_V9_PC 0x78 +#define SF_V9_RETP 0x80 +#define SF_V9_XARG0 0x88 +#define SF_V9_XARG1 0x90 +#define SF_V9_XARG2 0x98 +#define SF_V9_XARG3 0xa0 +#define SF_V9_XARG4 0xa8 +#define SF_V9_XARG5 0xb0 +#define SF_V9_XXARG 0xb8 + +#define SF_L0 0x00 +#define SF_L1 0x04 +#define SF_L2 0x08 +#define SF_L3 0x0c +#define SF_L4 0x10 +#define SF_L5 0x14 +#define SF_L6 0x18 +#define SF_L7 0x1c +#define SF_I0 0x20 +#define SF_I1 0x24 +#define SF_I2 0x28 +#define SF_I3 0x2c +#define SF_I4 0x30 +#define SF_I5 0x34 +#define SF_FP 0x38 +#define SF_PC 0x3c +#define SF_RETP 0x40 +#define SF_XARG0 0x44 +#define SF_XARG1 0x48 +#define SF_XARG2 0x4c +#define SF_XARG3 0x50 +#define SF_XARG4 0x54 +#define SF_XARG5 0x58 +#define SF_XXARG 0x5c + +#ifdef __KERNEL__ + +/* global_reg_snapshot offsets */ +#define GR_SNAP_TSTATE 0x00 +#define GR_SNAP_TPC 0x08 +#define GR_SNAP_TNPC 0x10 +#define GR_SNAP_O7 0x18 +#define GR_SNAP_I7 0x20 +#define GR_SNAP_RPC 0x28 +#define GR_SNAP_THREAD 0x30 +#define GR_SNAP_PAD1 0x38 + +#endif /* __KERNEL__ */ + +/* Stuff for the ptrace system call */ +#define PTRACE_SPARC_DETACH 11 +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_READDATA 16 +#define PTRACE_WRITEDATA 17 +#define PTRACE_READTEXT 18 +#define PTRACE_WRITETEXT 19 +#define PTRACE_GETFPAREGS 20 +#define PTRACE_SETFPAREGS 21 + +/* There are for debugging 64-bit processes, either from a 32 or 64 bit + * parent. Thus their complements are for debugging 32-bit processes only. + */ + +#define PTRACE_GETREGS64 22 +#define PTRACE_SETREGS64 23 +/* PTRACE_SYSCALL is 24 */ +#define PTRACE_GETFPREGS64 25 +#define PTRACE_SETFPREGS64 26 + +#endif /* !(__SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h deleted file mode 100644 index acb2d89d..0000000 --- a/arch/sparc/include/asm/ptrace_32.h +++ /dev/null @@ -1,186 +0,0 @@ -#ifndef _SPARC_PTRACE_H -#define _SPARC_PTRACE_H - -#include - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -#ifndef __ASSEMBLY__ - -#include - -struct pt_regs { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_WIM UREG_G0 -#define UREG_FADDR UREG_G0 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A register window */ -struct reg_window32 { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#ifdef __KERNEL__ - -#include - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->psr & PSR_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->psr &= ~PSR_SYSCALL); -} - -#define arch_ptrace_stop_needed(exit_code, info) \ -({ flush_user_windows(); \ - current_thread_info()->w_saved != 0; \ -}) - -#define arch_ptrace_stop(exit_code, info) \ - synchronize_user_stack() - -#define user_mode(regs) (!((regs)->psr & PSR_PS)) -#define instruction_pointer(regs) ((regs)->pc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -unsigned long profile_pc(struct pt_regs *); -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0x50 -#define STACKFRAME_SZ 0x60 -#endif - -/* - * The asm-offsets.h is a generated file, so we cannot include it. - * It may be OK for glibc headers, but it's utterly pointless for C code. - * The assembly code using those offsets has to include it explicitly. - */ -/* #include */ - -/* These are for pt_regs. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -#endif /* !(_SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h deleted file mode 100644 index cd6fbfc..0000000 --- a/arch/sparc/include/asm/ptrace_64.h +++ /dev/null @@ -1,356 +0,0 @@ -#ifndef _SPARC64_PTRACE_H -#define _SPARC64_PTRACE_H - -#include - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -/* This magic value must have the low 9 bits clear, - * as that is where we encode the %tt value, see below. - */ -#define PT_REGS_MAGIC 0x57ac6c00 - -#ifndef __ASSEMBLY__ - -#include - -struct pt_regs { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - - /* We encode a magic number, PT_REGS_MAGIC, along - * with the %tt (trap type) register value at trap - * entry time. The magic number allows us to identify - * accurately a trap stack frame in the stack - * unwinder, and the %tt value allows us to test - * things like "in a system call" etc. for an arbitray - * process. - * - * The PT_REGS_MAGIC is choosen such that it can be - * loaded completely using just a sethi instruction. - */ - unsigned int magic; -}; - -struct pt_regs32 { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A V9 register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A 32-bit register window. */ -struct reg_window32 { - unsigned int locals[8]; - unsigned int ins[8]; -}; - -/* A V9 Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -/* A 32-bit Sparc stack frame */ -struct sparc_stackf32 { - unsigned int locals[8]; - unsigned int ins[6]; - unsigned int fp; - unsigned int callers_pc; - unsigned int structptr; - unsigned int xargs[6]; - unsigned int xxargs[1]; -}; - -struct sparc_trapf { - unsigned long locals[8]; - unsigned long ins[8]; - unsigned long _unused; - struct pt_regs *regs; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#define TRACEREG32_SZ sizeof(struct pt_regs32) -#define STACKFRAME32_SZ sizeof(struct sparc_stackf32) - -#ifdef __KERNEL__ - -#include -#include - -static inline int pt_regs_trap_type(struct pt_regs *regs) -{ - return regs->magic & 0x1ff; -} - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->tstate & TSTATE_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->tstate &= ~TSTATE_SYSCALL); -} - -#define arch_ptrace_stop_needed(exit_code, info) \ -({ flush_user_windows(); \ - get_thread_wsaved() != 0; \ -}) - -#define arch_ptrace_stop(exit_code, info) \ - synchronize_user_stack() - -struct global_reg_snapshot { - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned long o7; - unsigned long i7; - unsigned long rpc; - struct thread_info *thread; - unsigned long pad1; -}; -extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS]; - -#define force_successful_syscall_return() \ -do { current_thread_info()->syscall_noerror = 1; \ -} while (0) -#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) -#define instruction_pointer(regs) ((regs)->tpc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -#define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0xa0 -#define STACKFRAME_SZ 0xc0 - -#define TRACEREG32_SZ 0x50 -#define STACKFRAME32_SZ 0x60 -#endif - -#ifdef __KERNEL__ -#define STACK_BIAS 2047 -#endif - -/* These are for pt_regs. */ -#define PT_V9_G0 0x00 -#define PT_V9_G1 0x08 -#define PT_V9_G2 0x10 -#define PT_V9_G3 0x18 -#define PT_V9_G4 0x20 -#define PT_V9_G5 0x28 -#define PT_V9_G6 0x30 -#define PT_V9_G7 0x38 -#define PT_V9_I0 0x40 -#define PT_V9_I1 0x48 -#define PT_V9_I2 0x50 -#define PT_V9_I3 0x58 -#define PT_V9_I4 0x60 -#define PT_V9_I5 0x68 -#define PT_V9_I6 0x70 -#define PT_V9_FP PT_V9_I6 -#define PT_V9_I7 0x78 -#define PT_V9_TSTATE 0x80 -#define PT_V9_TPC 0x88 -#define PT_V9_TNPC 0x90 -#define PT_V9_Y 0x98 -#define PT_V9_MAGIC 0x9c -#define PT_TSTATE PT_V9_TSTATE -#define PT_TPC PT_V9_TPC -#define PT_TNPC PT_V9_TNPC - -/* These for pt_regs32. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_V9_L0 0x00 -#define RW_V9_L1 0x08 -#define RW_V9_L2 0x10 -#define RW_V9_L3 0x18 -#define RW_V9_L4 0x20 -#define RW_V9_L5 0x28 -#define RW_V9_L6 0x30 -#define RW_V9_L7 0x38 -#define RW_V9_I0 0x40 -#define RW_V9_I1 0x48 -#define RW_V9_I2 0x50 -#define RW_V9_I3 0x58 -#define RW_V9_I4 0x60 -#define RW_V9_I5 0x68 -#define RW_V9_I6 0x70 -#define RW_V9_I7 0x78 - -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_V9_L0 0x00 -#define SF_V9_L1 0x08 -#define SF_V9_L2 0x10 -#define SF_V9_L3 0x18 -#define SF_V9_L4 0x20 -#define SF_V9_L5 0x28 -#define SF_V9_L6 0x30 -#define SF_V9_L7 0x38 -#define SF_V9_I0 0x40 -#define SF_V9_I1 0x48 -#define SF_V9_I2 0x50 -#define SF_V9_I3 0x58 -#define SF_V9_I4 0x60 -#define SF_V9_I5 0x68 -#define SF_V9_FP 0x70 -#define SF_V9_PC 0x78 -#define SF_V9_RETP 0x80 -#define SF_V9_XARG0 0x88 -#define SF_V9_XARG1 0x90 -#define SF_V9_XARG2 0x98 -#define SF_V9_XARG3 0xa0 -#define SF_V9_XARG4 0xa8 -#define SF_V9_XARG5 0xb0 -#define SF_V9_XXARG 0xb8 - -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -#ifdef __KERNEL__ - -/* global_reg_snapshot offsets */ -#define GR_SNAP_TSTATE 0x00 -#define GR_SNAP_TPC 0x08 -#define GR_SNAP_TNPC 0x10 -#define GR_SNAP_O7 0x18 -#define GR_SNAP_I7 0x20 -#define GR_SNAP_RPC 0x28 -#define GR_SNAP_THREAD 0x30 -#define GR_SNAP_PAD1 0x38 - -#endif /* __KERNEL__ */ - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -/* There are for debugging 64-bit processes, either from a 32 or 64 bit - * parent. Thus their complements are for debugging 32-bit processes only. - */ - -#define PTRACE_GETREGS64 22 -#define PTRACE_SETREGS64 23 -/* PTRACE_SYSCALL is 24 */ -#define PTRACE_GETFPREGS64 25 -#define PTRACE_SETFPREGS64 26 - -#endif /* !(_SPARC64_PTRACE_H) */ -- cgit v0.10.2 From 1eae29bcc25b8a12bd6f416304c8aea1d576807e Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:10:04 -0800 Subject: sparc: unify siginfo.h Trivial unification where the sparc64 specific parts are protected using a signle ifdef/endif pair. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index f79249f..930ba02 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -3,8 +3,6 @@ include include/asm-generic/Kbuild.asm header-y += ipcbuf_32.h header-y += ipcbuf_64.h -header-y += siginfo_32.h -header-y += siginfo_64.h header-y += apc.h header-y += asi.h diff --git a/arch/sparc/include/asm/siginfo.h b/arch/sparc/include/asm/siginfo.h index bd81f8d..988e5d8 100644 --- a/arch/sparc/include/asm/siginfo.h +++ b/arch/sparc/include/asm/siginfo.h @@ -1,8 +1,37 @@ -#ifndef ___ASM_SPARC_SIGINFO_H -#define ___ASM_SPARC_SIGINFO_H +#ifndef __SPARC_SIGINFO_H +#define __SPARC_SIGINFO_H + #if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif -#endif + +#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) +#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) +#define __ARCH_SI_BAND_T int + +#endif /* defined(__sparc__) && defined(__arch64__) */ + + +#define __ARCH_SI_TRAPNO + +#include + +#ifdef __KERNEL__ + +#include + +#ifdef CONFIG_COMPAT + +struct compat_siginfo; + +#endif /* CONFIG_COMPAT */ + +#endif /* __KERNEL__ */ + +#define SI_NOINFO 32767 /* no information in siginfo_t */ + +/* + * SIGEMT si_codes + */ +#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ +#define NSIGEMT 1 + +#endif /* !(__SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_32.h b/arch/sparc/include/asm/siginfo_32.h deleted file mode 100644 index 3c71af1..0000000 --- a/arch/sparc/include/asm/siginfo_32.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef _SPARC_SIGINFO_H -#define _SPARC_SIGINFO_H - -#define __ARCH_SI_UID_T unsigned int -#define __ARCH_SI_TRAPNO - -#include - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif /* !(_SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_64.h b/arch/sparc/include/asm/siginfo_64.h deleted file mode 100644 index c96e6c3..0000000 --- a/arch/sparc/include/asm/siginfo_64.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _SPARC64_SIGINFO_H -#define _SPARC64_SIGINFO_H - -#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) - -#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) -#define __ARCH_SI_TRAPNO -#define __ARCH_SI_BAND_T int - -#include - -#ifdef __KERNEL__ - -#include - -#ifdef CONFIG_COMPAT - -struct compat_siginfo; - -#endif /* CONFIG_COMPAT */ - -#endif /* __KERNEL__ */ - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif -- cgit v0.10.2 From 3011618d9a010b33b7e67cb26df9bc79c948f67b Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:10:48 -0800 Subject: sparc: remove ebus definitions from openprom*.h Looks like leftovers from the removal of the special ebus layer. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h index 875da35..3868057 100644 --- a/arch/sparc/include/asm/openprom_32.h +++ b/arch/sparc/include/asm/openprom_32.h @@ -239,17 +239,6 @@ struct linux_prom_pci_assigned_addresses { unsigned int size_lo; }; -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h index b69e4a8..955d7f6 100644 --- a/arch/sparc/include/asm/openprom_64.h +++ b/arch/sparc/include/asm/openprom_64.h @@ -249,32 +249,6 @@ struct linux_prom_pci_intmask { unsigned int interrupt; }; -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -struct linux_prom_ebus_intmap { - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_ebus_intmask { - unsigned int phys_hi; - unsigned int phys_lo; - unsigned int interrupt; -}; #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_OPENPROM_H) */ -- cgit v0.10.2 From b608c3fe3cffcb3ebc87ffdec134286859d4a44e Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:12:40 -0800 Subject: sparc: remove linux_prom_pci_assigned_addresses from openprom_32.h It is not used anywhere in the tree so drop it. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h index 3868057..f8b4bf7 100644 --- a/arch/sparc/include/asm/openprom_32.h +++ b/arch/sparc/include/asm/openprom_32.h @@ -229,16 +229,6 @@ struct linux_prom_pci_ranges { unsigned int size_lo; }; -struct linux_prom_pci_assigned_addresses { - unsigned int which_io; - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC_OPENPROM_H) */ -- cgit v0.10.2 From bb5b52bbd5e2cd40b193f34c11eec19864080dcf Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:13:52 -0800 Subject: sparc: prepare openprom for unification Align the sparc and sparc64 versions so differences are minimal. A few data types are changed to better reflect there actual usage. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h index f8b4bf7..2e58db5 100644 --- a/arch/sparc/include/asm/openprom_32.h +++ b/arch/sparc/include/asm/openprom_32.h @@ -47,7 +47,7 @@ struct linux_dev_v2_funcs { struct linux_mlist_v0 { struct linux_mlist_v0 *theres_more; - char *start_adr; + unsigned int start_adr; unsigned num_bytes; }; @@ -182,9 +182,9 @@ struct linux_nodeops { #define PROMINTR_MAX 15 struct linux_prom_registers { - unsigned int which_io; /* is this in OBIO space? */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ + unsigned int which_io; /* is this in OBIO space? */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ }; struct linux_prom_irqs { diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h index 955d7f6..db3711e 100644 --- a/arch/sparc/include/asm/openprom_64.h +++ b/arch/sparc/include/asm/openprom_64.h @@ -44,7 +44,7 @@ struct linux_dev_v2_funcs { struct linux_mlist_v0 { struct linux_mlist_v0 *theres_more; - unsigned start_adr; + unsigned int start_adr; unsigned num_bytes; }; @@ -167,9 +167,9 @@ struct linux_romvec { struct linux_nodeops { int (*no_nextnode)(int node); int (*no_child)(int node); - int (*no_proplen)(int node, char *name); - int (*no_getprop)(int node, char *name, char *val); - int (*no_setprop)(int node, char *name, char *val, int len); + int (*no_proplen)(int node, const char *name); + int (*no_getprop)(int node, const char *name, char *val); + int (*no_setprop)(int node, const char *name, char *val, int len); char * (*no_nextprop)(int node, char *name); }; @@ -179,9 +179,9 @@ struct linux_nodeops { #define PROMINTR_MAX 32 struct linux_prom_registers { - unsigned which_io; /* hi part of physical address */ - unsigned phys_addr; /* The physical address of this register */ - int reg_size; /* How many bytes does this register take up? */ + unsigned int which_io; /* hi part of physical address */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ }; struct linux_prom64_registers { -- cgit v0.10.2 From 640cc590bd6112424f4c248fe839af28a06b54c4 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:14:35 -0800 Subject: sparc64: delete unused linux_prom64_ranges from openprom_64.h It was not used over the whole tree - so drop it. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h index db3711e..8148900 100644 --- a/arch/sparc/include/asm/openprom_64.h +++ b/arch/sparc/include/asm/openprom_64.h @@ -203,12 +203,6 @@ struct linux_prom_ranges { unsigned int or_size; }; -struct linux_prom64_ranges { - unsigned long ot_child_base; /* Bus feels this */ - unsigned long ot_parent_base; /* CPU looks from here */ - unsigned long or_size; -}; - /* Ranges and reg properties are a bit different for PCI. */ struct linux_prom_pci_registers { unsigned int phys_hi; -- cgit v0.10.2 From 7c59d28d0e798fff1ebfedcf7821cbd5513091bd Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:15:25 -0800 Subject: sparc: unify openprom.h After the preparational steps the unification was simple. The linux_prom_pci_registers definition did not look like it could be unified at first look since the structure is assigned using prop_getproperty() / of_get_property() so the structure is assumed to come direct form the prom. The LINUX_OPPROM_MAGIC was kept even if it is not used by the kernel on the assumption that userspace may require it. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 930ba02..58f9b3a 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -11,8 +11,6 @@ header-y += envctrl.h header-y += fbio.h header-y += jsflash.h header-y += openprom.h -header-y += openprom_32.h -header-y += openprom_64.h header-y += openpromio.h header-y += perfctr.h header-y += psrcompat.h diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h index aaeae905..963e1a4 100644 --- a/arch/sparc/include/asm/openprom.h +++ b/arch/sparc/include/asm/openprom.h @@ -1,8 +1,277 @@ -#ifndef ___ASM_SPARC_OPENPROM_H -#define ___ASM_SPARC_OPENPROM_H +#ifndef __SPARC_OPENPROM_H +#define __SPARC_OPENPROM_H + +/* openprom.h: Prom structures and defines for access to the OPENBOOT + * prom routines and data areas. + * + * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) + */ + +/* Empirical constants... */ +#define LINUX_OPPROM_MAGIC 0x10010407 + +#ifndef __ASSEMBLY__ +/* V0 prom device operations. */ +struct linux_dev_v0_funcs { + int (*v0_devopen)(char *device_str); + int (*v0_devclose)(int dev_desc); + int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_seekdev)(int dev_desc, long logical_offst, int from); +}; + +/* V2 and later prom device operations. */ +struct linux_dev_v2_funcs { + int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ + char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); + void (*v2_dumb_mem_free)(char *va, unsigned sz); + + /* To map devices into virtual I/O space. */ + char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); + void (*v2_dumb_munmap)(char *virta, unsigned size); + + int (*v2_dev_open)(char *devpath); + void (*v2_dev_close)(int d); + int (*v2_dev_read)(int d, char *buf, int nbytes); + int (*v2_dev_write)(int d, char *buf, int nbytes); + int (*v2_dev_seek)(int d, int hi, int lo); + + /* Never issued (multistage load support) */ + void (*v2_wheee2)(void); + void (*v2_wheee3)(void); +}; + +struct linux_mlist_v0 { + struct linux_mlist_v0 *theres_more; + unsigned int start_adr; + unsigned num_bytes; +}; + +struct linux_mem_v0 { + struct linux_mlist_v0 **v0_totphys; + struct linux_mlist_v0 **v0_prommap; + struct linux_mlist_v0 **v0_available; /* What we can use */ +}; + +/* Arguments sent to the kernel from the boot prompt. */ +struct linux_arguments_v0 { + char *argv[8]; + char args[100]; + char boot_dev[2]; + int boot_dev_ctrl; + int boot_dev_unit; + int dev_partition; + char *kernel_file_name; + void *aieee1; /* XXX */ +}; + +/* V2 and up boot things. */ +struct linux_bootargs_v2 { + char **bootpath; + char **bootargs; + int *fd_stdin; + int *fd_stdout; +}; + +/* The top level PROM vector. */ +struct linux_romvec { + /* Version numbers. */ + unsigned int pv_magic_cookie; + unsigned int pv_romvers; + unsigned int pv_plugin_revision; + unsigned int pv_printrev; + + /* Version 0 memory descriptors. */ + struct linux_mem_v0 pv_v0mem; + + /* Node operations. */ + struct linux_nodeops *pv_nodeops; + + char **pv_bootstr; + struct linux_dev_v0_funcs pv_v0devops; + + char *pv_stdin; + char *pv_stdout; +#define PROMDEV_KBD 0 /* input from keyboard */ +#define PROMDEV_SCREEN 0 /* output to screen */ +#define PROMDEV_TTYA 1 /* in/out to ttya */ +#define PROMDEV_TTYB 2 /* in/out to ttyb */ + + /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ + int (*pv_getchar)(void); + void (*pv_putchar)(int ch); + + /* Non-blocking variants. */ + int (*pv_nbgetchar)(void); + int (*pv_nbputchar)(int ch); + + void (*pv_putstr)(char *str, int len); + + /* Miscellany. */ + void (*pv_reboot)(char *bootstr); + void (*pv_printf)(__const__ char *fmt, ...); + void (*pv_abort)(void); + __volatile__ int *pv_ticks; + void (*pv_halt)(void); + void (**pv_synchook)(void); + + /* Evaluate a forth string, not different proto for V0 and V2->up. */ + union { + void (*v0_eval)(int len, char *str); + void (*v2_eval)(char *str); + } pv_fortheval; + + struct linux_arguments_v0 **pv_v0bootargs; + + /* Get ether address. */ + unsigned int (*pv_enaddr)(int d, char *enaddr); + + struct linux_bootargs_v2 pv_v2bootargs; + struct linux_dev_v2_funcs pv_v2devops; + + int filler[15]; + + /* This one is sun4c/sun4 only. */ + void (*pv_setctxt)(int ctxt, char *va, int pmeg); + + /* Prom version 3 Multiprocessor routines. This stuff is crazy. + * No joke. Calling these when there is only one cpu probably + * crashes the machine, have to test this. :-) + */ + + /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context + * 'thiscontext' executing at address 'prog_counter' + */ + int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, + int thiscontext, char *prog_counter); + + /* v3_cpustop() will cause cpu 'whichcpu' to stop executing + * until a resume cpu call is made. + */ + int (*v3_cpustop)(unsigned int whichcpu); + + /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or + * resume cpu call is made. + */ + int (*v3_cpuidle)(unsigned int whichcpu); + + /* v3_cpuresume() will resume processor 'whichcpu' executing + * starting with whatever 'pc' and 'npc' were left at the + * last 'idle' or 'stop' call. + */ + int (*v3_cpuresume)(unsigned int whichcpu); +}; + +/* Routines for traversing the prom device tree. */ +struct linux_nodeops { + int (*no_nextnode)(int node); + int (*no_child)(int node); + int (*no_proplen)(int node, const char *name); + int (*no_getprop)(int node, const char *name, char *val); + int (*no_setprop)(int node, const char *name, char *val, int len); + char * (*no_nextprop)(int node, char *name); +}; + +/* More fun PROM structures for device probing. */ #if defined(__sparc__) && defined(__arch64__) -#include +#define PROMREG_MAX 24 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 32 #else -#include +#define PROMREG_MAX 16 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 15 #endif + +struct linux_prom_registers { + unsigned int which_io; /* hi part of physical address */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ +}; + +struct linux_prom64_registers { + unsigned long phys_addr; + unsigned long reg_size; +}; + +struct linux_prom_irqs { + int pri; /* IRQ priority */ + int vector; /* This is foobar, what does it do? */ +}; + +/* Element of the "ranges" vector */ +struct linux_prom_ranges { + unsigned int ot_child_space; + unsigned int ot_child_base; /* Bus feels this */ + unsigned int ot_parent_space; + unsigned int ot_parent_base; /* CPU looks from here */ + unsigned int or_size; +}; + +/* + * Ranges and reg properties are a bit different for PCI. + */ +#if defined(__sparc__) && defined(__arch64__) +struct linux_prom_pci_registers { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; +#else +struct linux_prom_pci_registers { + /* + * We don't know what information this field contain. + * We guess, PCI device function is in bits 15:8 + * So, ... + */ + unsigned int which_io; /* Let it be which_io */ + + unsigned int phys_hi; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + #endif + +struct linux_prom_pci_ranges { + unsigned int child_phys_hi; /* Only certain bits are encoded here. */ + unsigned int child_phys_mid; + unsigned int child_phys_lo; + + unsigned int parent_phys_hi; + unsigned int parent_phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_pci_intmap { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int interrupt; + + int cnode; + unsigned int cinterrupt; +}; + +struct linux_prom_pci_intmask { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + unsigned int interrupt; +}; + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h deleted file mode 100644 index 2e58db5..0000000 --- a/arch/sparc/include/asm/openprom_32.h +++ /dev/null @@ -1,234 +0,0 @@ -#ifndef __SPARC_OPENPROM_H -#define __SPARC_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -/* Empirical constants... */ -#define LINUX_OPPROM_MAGIC 0x10010407 - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - unsigned int start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, const char *name); - int (*no_getprop)(int node, const char *name, char *val); - int (*no_setprop)(int node, const char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 16 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 15 - -struct linux_prom_registers { - unsigned int which_io; /* is this in OBIO space? */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - /* - * We don't know what information this field contain. - * We guess, PCI device function is in bits 15:8 - * So, ... - */ - unsigned int which_io; /* Let it be which_io */ - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h deleted file mode 100644 index 8148900..0000000 --- a/arch/sparc/include/asm/openprom_64.h +++ /dev/null @@ -1,248 +0,0 @@ -#ifndef __SPARC64_OPENPROM_H -#define __SPARC64_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - unsigned int start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, const char *name); - int (*no_getprop)(int node, const char *name, char *val); - int (*no_setprop)(int node, const char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 24 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 32 - -struct linux_prom_registers { - unsigned int which_io; /* hi part of physical address */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom64_registers { - unsigned long phys_addr; - unsigned long reg_size; -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_intmap { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_pci_intmask { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - unsigned int interrupt; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_OPENPROM_H) */ -- cgit v0.10.2 From 2ef4c01e180902a0197f959f84d4ae1d8eb18888 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:31:13 -0800 Subject: sparc: fix warning in userspace header jsflash.h Fix following warnings in jsflash.h: jsflash.h:11: include of is preferred over jsflash.h:24: found __[us]{8,16,32,64} type without #include Fixed by changing the include to Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/jsflash.h b/arch/sparc/include/asm/jsflash.h index 3457f29..0717d9e 100644 --- a/arch/sparc/include/asm/jsflash.h +++ b/arch/sparc/include/asm/jsflash.h @@ -8,7 +8,7 @@ #define _SPARC_JSFLASH_H #ifndef _SPARC_TYPES_H -#include +#include #endif /* -- cgit v0.10.2 From fffeeb413704b742dd1d08a3b5a0070a72ab52e1 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:31:58 -0800 Subject: sparc: fix warnings in userspace header byteorder.h Fix following warnings in byteorder.h: byteorder.h:4: include of is preferred over byteorder.h:9: leaks CONFIG_SPARC32 to userspace where it is not valid byteorder.h:13: leaks CONFIG_SPARC64 to userspace where it is not valid byteorder.h:14: found __[us]{8,16,32,64} type without #include byteorder.h:47: leaks CONFIG_SPARC64 to userspace where it is not valid - changed to use include as suggested - use preprocessor defined symbols to distingush between 32 and 64 bit Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h index 5a70f13..738414b 100644 --- a/arch/sparc/include/asm/byteorder.h +++ b/arch/sparc/include/asm/byteorder.h @@ -1,16 +1,12 @@ #ifndef _SPARC_BYTEORDER_H #define _SPARC_BYTEORDER_H -#include +#include #include #define __BIG_ENDIAN -#ifdef CONFIG_SPARC32 -#define __SWAB_64_THRU_32__ -#endif - -#ifdef CONFIG_SPARC64 +#if defined(__sparc__) && defined(__arch64__) static inline __u16 __arch_swab16p(const __u16 *addr) { __u16 ret; @@ -44,7 +40,9 @@ static inline __u64 __arch_swab64p(const __u64 *addr) } #define __arch_swab64p __arch_swab64p -#endif /* CONFIG_SPARC64 */ +#else +#define __SWAB_64_THRU_32__ +#endif /* defined(__sparc__) && defined(__arch64__) */ #include -- cgit v0.10.2 From 220483fec0cbc3710c828a236c9f1099d5de537a Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:32:34 -0800 Subject: sparc: fix warning in userspace header traps.h Fix following warning: traps.h:23: extern's make no sense in userspace Add an ifdef __KERNEL__ block that cover the extern definition and a few related things that neither is for userspace. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h index bebdbf8..4becd66 100644 --- a/arch/sparc/include/asm/traps.h +++ b/arch/sparc/include/asm/traps.h @@ -10,7 +10,7 @@ #define NUM_SPARC_TRAPS 255 #ifndef __ASSEMBLY__ - +#ifdef __KERNEL__ /* This is for V8 compliant Sparc CPUS */ struct tt_entry { unsigned long inst_one; @@ -29,7 +29,7 @@ static inline unsigned long get_tbr(void) __asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (tbr)); return tbr; } - +#endif /* (__KERNEL__) */ #endif /* !(__ASSEMBLY__) */ /* For patching the trap table at boot time, we need to know how to -- cgit v0.10.2 From 65579f3cfbc55a6d5ed0469a6f069ada6f810a3e Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:33:05 -0800 Subject: sparc: drop get_tbr() in traps.h get_tbr() has no users in the whole tree -drop it. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h index 4becd66..3aa62dd 100644 --- a/arch/sparc/include/asm/traps.h +++ b/arch/sparc/include/asm/traps.h @@ -22,13 +22,6 @@ struct tt_entry { /* We set this to _start in system setup. */ extern struct tt_entry *sparc_ttable; -static inline unsigned long get_tbr(void) -{ - unsigned long tbr; - - __asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (tbr)); - return tbr; -} #endif /* (__KERNEL__) */ #endif /* !(__ASSEMBLY__) */ -- cgit v0.10.2 From f54c88cb6c6928f259b95abb4477970df2bd3d55 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 2 Jan 2009 21:33:54 -0800 Subject: sparc: remove NO_PROC_ID - it is no longer used Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 8408d9d..58101dc 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -170,7 +170,4 @@ void smp_setup_cpu_possible_map(void); #define smp_setup_cpu_possible_map() do { } while (0) #endif /* !(SMP) */ - -#define NO_PROC_ID 0xFF - #endif /* !(_SPARC_SMP_H) */ -- cgit v0.10.2 From fa8efd50b353a36dbcd2c47a55335f002af4deb0 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 2 Jan 2009 21:54:25 -0800 Subject: sparc: Update 64-bit defconfig. Signed-off-by: David S. Miller diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig index 05d19a3..cde19ae 100644 --- a/arch/sparc/configs/sparc64_defconfig +++ b/arch/sparc/configs/sparc64_defconfig @@ -1,27 +1,27 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.28-rc4 -# Mon Nov 10 12:35:09 2008 +# Linux kernel version: 2.6.28 +# Fri Jan 2 18:14:26 2009 # CONFIG_SPARC=y CONFIG_SPARC64=y +CONFIG_ARCH_DEFCONFIG="arch/sparc/configs/sparc64_defconfig" +CONFIG_BITS=64 +CONFIG_64BIT=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_GENERIC_CLOCKEVENTS=y -CONFIG_64BIT=y -CONFIG_MMU=y CONFIG_IOMMU_HELPER=y CONFIG_QUICKLIST=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y -CONFIG_ARCH_MAY_HAVE_PC_FDC=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_AUDIT_ARCH=y CONFIG_HAVE_SETUP_PER_CPU_AREA=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_MMU=y CONFIG_ARCH_NO_VIRT_TO_BUS=y CONFIG_OF=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -86,6 +86,7 @@ CONFIG_SLUB_DEBUG=y CONFIG_SLUB=y # CONFIG_SLOB is not set CONFIG_PROFILING=y +CONFIG_TRACEPOINTS=y # CONFIG_MARKERS is not set CONFIG_OPROFILE=m CONFIG_HAVE_OPROFILE=y @@ -127,34 +128,40 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_FREEZER is not set # # Processor type and features # -CONFIG_SPARC64_PAGE_SIZE_8KB=y -# CONFIG_SPARC64_PAGE_SIZE_64KB is not set -CONFIG_SECCOMP=y +CONFIG_SMP=y +CONFIG_NR_CPUS=64 CONFIG_HZ_100=y # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 CONFIG_SCHED_HRTICK=y +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_SPARC64_SMP=y +CONFIG_SPARC64_PAGE_SIZE_8KB=y +# CONFIG_SPARC64_PAGE_SIZE_64KB is not set +CONFIG_SECCOMP=y CONFIG_HOTPLUG_CPU=y CONFIG_GENERIC_HARDIRQS=y CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -CONFIG_SMP=y -CONFIG_NR_CPUS=64 # CONFIG_CPU_FREQ is not set CONFIG_US3_MC=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_HUGETLB_PAGE_SIZE_4MB=y # CONFIG_HUGETLB_PAGE_SIZE_512K is not set # CONFIG_HUGETLB_PAGE_SIZE_64K is not set @@ -183,10 +190,18 @@ CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=0 CONFIG_NR_QUICK=1 CONFIG_UNEVICTABLE_LRU=y +CONFIG_SCHED_SMT=y +CONFIG_SCHED_MC=y +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set +# CONFIG_CMDLINE_BOOL is not set + +# +# Bus options (PCI etc.) +# CONFIG_SBUS=y CONFIG_SBUSCHAR=y -CONFIG_SUN_AUXIO=y -CONFIG_SUN_IO=y CONFIG_SUN_LDOMS=y CONFIG_PCI=y CONFIG_PCI_DOMAINS=y @@ -195,7 +210,9 @@ CONFIG_ARCH_SUPPORTS_MSI=y CONFIG_PCI_MSI=y # CONFIG_PCI_LEGACY is not set # CONFIG_PCI_DEBUG is not set +# CONFIG_PCCARD is not set CONFIG_SUN_OPENPROMFS=m +CONFIG_SPARC64_PCI=y # # Executable file formats @@ -207,17 +224,13 @@ CONFIG_COMPAT_BINFMT_ELF=y CONFIG_BINFMT_MISC=m CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y -CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y -# CONFIG_PREEMPT_NONE is not set -CONFIG_PREEMPT_VOLUNTARY=y -# CONFIG_PREEMPT is not set -# CONFIG_CMDLINE_BOOL is not set CONFIG_NET=y # # Networking options # +# CONFIG_NET_NS is not set +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -314,6 +327,7 @@ CONFIG_VLAN_8021Q=m # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # # Network testing @@ -330,8 +344,8 @@ CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set CONFIG_WIRELESS_OLD_REGULATORY=y # CONFIG_WIRELESS_EXT is not set +# CONFIG_LIB80211 is not set # CONFIG_MAC80211 is not set -# CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -378,8 +392,10 @@ CONFIG_MISC_DEVICES=y # CONFIG_EEPROM_93CX6 is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set +# CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_HP_ILO is not set +# CONFIG_C2PORT is not set CONFIG_HAVE_IDE=y CONFIG_IDE=y @@ -387,6 +403,7 @@ CONFIG_IDE=y # Please see Documentation/ide/ide.txt for help/info on IDE drives # CONFIG_IDE_TIMINGS=y +CONFIG_IDE_ATAPI=y # CONFIG_BLK_DEV_IDE_SATA is not set CONFIG_IDE_GD=y CONFIG_IDE_GD_ATA=y @@ -394,7 +411,6 @@ CONFIG_IDE_GD_ATA=y CONFIG_BLK_DEV_IDECD=y CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y # CONFIG_BLK_DEV_IDETAPE is not set -# CONFIG_BLK_DEV_IDESCSI is not set # CONFIG_IDE_TASK_IOCTL is not set CONFIG_IDE_PROC_FS=y @@ -477,6 +493,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set +# CONFIG_SCSI_CXGB3_ISCSI is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -490,6 +507,8 @@ CONFIG_SCSI_LOWLEVEL=y # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_HPTIOP is not set +# CONFIG_LIBFC is not set +# CONFIG_FCOE is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_IPS is not set @@ -564,6 +583,9 @@ CONFIG_PHYLIB=m # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set +# CONFIG_NATIONAL_PHY is not set +# CONFIG_STE10XP is not set +# CONFIG_LSI_ET1011C_PHY is not set # CONFIG_MDIO_BITBANG is not set CONFIG_NET_ETHERNET=y CONFIG_MII=m @@ -590,7 +612,6 @@ CONFIG_NET_PCI=y # CONFIG_ADAPTEC_STARFIRE is not set # CONFIG_B44 is not set # CONFIG_FORCEDETH is not set -# CONFIG_EEPRO100 is not set # CONFIG_E100 is not set # CONFIG_FEALNX is not set # CONFIG_NATSEMI is not set @@ -600,6 +621,7 @@ CONFIG_NET_PCI=y # CONFIG_R6040 is not set # CONFIG_SIS900 is not set # CONFIG_EPIC100 is not set +# CONFIG_SMSC9420 is not set # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set @@ -629,6 +651,7 @@ CONFIG_BNX2=m # CONFIG_JME is not set CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set +CONFIG_CHELSIO_T3_DEPENDS=y # CONFIG_CHELSIO_T3 is not set # CONFIG_ENIC is not set # CONFIG_IXGBE is not set @@ -778,6 +801,7 @@ CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_JSM is not set CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_IPMI_HANDLER is not set CONFIG_HW_RANDOM=m @@ -870,6 +894,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_ADM1029 is not set # CONFIG_SENSORS_ADM1031 is not set # CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7462 is not set # CONFIG_SENSORS_ADT7470 is not set # CONFIG_SENSORS_ADT7473 is not set # CONFIG_SENSORS_ATXP1 is not set @@ -919,11 +944,11 @@ CONFIG_HWMON=y # CONFIG_THERMAL is not set # CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -1071,6 +1096,7 @@ CONFIG_SND_MIXER_OSS=m CONFIG_SND_PCM_OSS=m CONFIG_SND_PCM_OSS_PLUGINS=y CONFIG_SND_SEQUENCER_OSS=y +# CONFIG_SND_HRTIMER is not set # CONFIG_SND_DYNAMIC_MINORS is not set CONFIG_SND_SUPPORT_OLD_API=y CONFIG_SND_VERBOSE_PROCFS=y @@ -1242,11 +1268,11 @@ CONFIG_USB_UHCI_HCD=m # CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # # -# may also be needed; see USB_STORAGE Help for more information +# see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set @@ -1337,6 +1363,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set # # SPI RTC drivers @@ -1365,7 +1392,6 @@ CONFIG_RTC_DRV_STARFIRE=y # CONFIG_DMADEVICES is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set -CONFIG_STAGING_EXCLUDE_BUILD=y # # Misc Linux/SPARC drivers @@ -1544,6 +1570,7 @@ CONFIG_SCHEDSTATS=y # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set @@ -1552,6 +1579,7 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set @@ -1560,8 +1588,12 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_LKDTM is not set # CONFIG_FAULT_INJECTION is not set +# CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_RING_BUFFER=y +CONFIG_TRACING=y # # Tracers @@ -1571,7 +1603,9 @@ CONFIG_HAVE_FUNCTION_TRACER=y # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set # CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set # CONFIG_STACK_TRACER is not set +# CONFIG_FTRACE_STARTUP_TEST is not set # CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y @@ -1600,11 +1634,16 @@ CONFIG_CRYPTO=y # # CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_RNG=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m CONFIG_CRYPTO_NULL=m # CONFIG_CRYPTO_CRYPTD is not set -- cgit v0.10.2 From bc7a166dd1530965aa80966f267235f067c5fddf Mon Sep 17 00:00:00 2001 From: Ulrich Dangel Date: Fri, 2 Jan 2009 19:30:13 +0100 Subject: ALSA: hda - add basic jack reporting functions to patch_conexant.c Added functions to report jack sense. As CXT5051_PORTB_EVENT has the same value as CONEXANT_MIC_EVENT two input devices for the microphone will be created if using CXT5051. Signed-off-by: Ulrich Dangel Signed-off-by: Takashi Iwai diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index b20e1ce..e0eebfb 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -25,6 +25,8 @@ #include #include #include +#include + #include "hda_codec.h" #include "hda_local.h" @@ -37,8 +39,21 @@ #define CONEXANT_HP_EVENT 0x37 #define CONEXANT_MIC_EVENT 0x38 +/* Conexant 5051 specific */ + +#define CXT5051_SPDIF_OUT 0x1C +#define CXT5051_PORTB_EVENT 0x38 +#define CXT5051_PORTC_EVENT 0x39 +struct conexant_jack { + + hda_nid_t nid; + int type; + struct snd_jack *jack; + +}; + struct conexant_spec { struct snd_kcontrol_new *mixers[5]; @@ -83,6 +98,9 @@ struct conexant_spec { unsigned int spdif_route; + /* jack detection */ + struct snd_array jacks; + /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; struct hda_input_mux private_imux; @@ -329,6 +347,86 @@ static int conexant_mux_enum_put(struct snd_kcontrol *kcontrol, &spec->cur_mux[adc_idx]); } +static int conexant_add_jack(struct hda_codec *codec, + hda_nid_t nid, int type) +{ + struct conexant_spec *spec; + struct conexant_jack *jack; + const char *name; + + spec = codec->spec; + snd_array_init(&spec->jacks, sizeof(*jack), 32); + jack = snd_array_new(&spec->jacks); + name = (type == SND_JACK_HEADPHONE) ? "Headphone" : "Mic" ; + + if (!jack) + return -ENOMEM; + + jack->nid = nid; + jack->type = type; + + return snd_jack_new(codec->bus->card, name, type, &jack->jack); +} + +static void conexant_report_jack(struct hda_codec *codec, hda_nid_t nid) +{ + struct conexant_spec *spec = codec->spec; + struct conexant_jack *jacks = spec->jacks.list; + + if (jacks) { + int i; + for (i = 0; i < spec->jacks.used; i++) { + if (jacks->nid == nid) { + unsigned int present; + present = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_SENSE, 0) & + AC_PINSENSE_PRESENCE; + + present = (present) ? jacks->type : 0 ; + + snd_jack_report(jacks->jack, + present); + } + jacks++; + } + } +} + +static int conexant_init_jacks(struct hda_codec *codec) +{ +#ifdef CONFIG_SND_JACK + struct conexant_spec *spec = codec->spec; + int i; + + for (i = 0; i < spec->num_init_verbs; i++) { + const struct hda_verb *hv; + + hv = spec->init_verbs[i]; + while (hv->nid) { + int err = 0; + switch (hv->param ^ AC_USRSP_EN) { + case CONEXANT_HP_EVENT: + err = conexant_add_jack(codec, hv->nid, + SND_JACK_HEADPHONE); + conexant_report_jack(codec, hv->nid); + break; + case CXT5051_PORTC_EVENT: + case CONEXANT_MIC_EVENT: + err = conexant_add_jack(codec, hv->nid, + SND_JACK_MICROPHONE); + conexant_report_jack(codec, hv->nid); + break; + } + if (err < 0) + return err; + ++hv; + } + } +#endif + return 0; + +} + static int conexant_init(struct hda_codec *codec) { struct conexant_spec *spec = codec->spec; @@ -341,6 +439,16 @@ static int conexant_init(struct hda_codec *codec) static void conexant_free(struct hda_codec *codec) { +#ifdef CONFIG_SND_JACK + struct conexant_spec *spec = codec->spec; + if (spec->jacks.list) { + struct conexant_jack *jacks = spec->jacks.list; + int i; + for (i = 0; i < spec->jacks.used; i++) + snd_device_free(codec->bus->card, &jacks[i].jack); + snd_array_free(&spec->jacks); + } +#endif kfree(codec->spec); } @@ -1526,9 +1634,6 @@ static int patch_cxt5047(struct hda_codec *codec) /* Conexant 5051 specific */ static hda_nid_t cxt5051_dac_nids[1] = { 0x10 }; static hda_nid_t cxt5051_adc_nids[2] = { 0x14, 0x15 }; -#define CXT5051_SPDIF_OUT 0x1C -#define CXT5051_PORTB_EVENT 0x38 -#define CXT5051_PORTC_EVENT 0x39 static struct hda_channel_mode cxt5051_modes[1] = { { 2, NULL }, -- cgit v0.10.2 From acf26c0cad5ba00dcafa633805e4660e90c1eac0 Mon Sep 17 00:00:00 2001 From: Ulrich Dangel Date: Fri, 2 Jan 2009 19:30:14 +0100 Subject: ALSA: hda - cxt5051 report jack state Signed-off-by: Ulrich Dangel Signed-off-by: Takashi Iwai diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index e0eebfb..75de40a 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -1713,6 +1713,7 @@ static void cxt5051_hp_automute(struct hda_codec *codec) static void cxt5051_hp_unsol_event(struct hda_codec *codec, unsigned int res) { + int nid = (res & AC_UNSOL_RES_SUBTAG) >> 20; switch (res >> 26) { case CONEXANT_HP_EVENT: cxt5051_hp_automute(codec); @@ -1724,6 +1725,7 @@ static void cxt5051_hp_unsol_event(struct hda_codec *codec, cxt5051_portc_automic(codec); break; } + conexant_report_jack(codec, nid); } static struct snd_kcontrol_new cxt5051_mixers[] = { @@ -1798,6 +1800,7 @@ static struct hda_verb cxt5051_init_verbs[] = { static int cxt5051_init(struct hda_codec *codec) { conexant_init(codec); + conexant_init_jacks(codec); if (codec->patch_ops.unsol_event) { cxt5051_hp_automute(codec); cxt5051_portb_automic(codec); -- cgit v0.10.2 From ac26fca3e14c8882e382daa7e96ab73e0186cf03 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Thu, 20 Nov 2008 11:27:02 +0100 Subject: HID: ignore mouse interface for unibody macbooks The mouse interface on unibody macbooks is going to be handled by bcm59743 driver in 2.6.29. Reported-by: Henrik Rydberg Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 40df3e1..839de38 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1577,6 +1577,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } -- cgit v0.10.2 From efc7ce18d9037aa947c1aad5eb712ecc47520126 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Fri, 17 Oct 2008 15:01:15 +0200 Subject: HID: non-input reports can also be numbered When computing the maximal buffer size needed, we must take into account that not only input reports can be numbered. Pointed out in bugzilla #10467 Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 606369e..2afc861 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -4,7 +4,7 @@ * Copyright (c) 1999 Andreas Gal * Copyright (c) 2000-2005 Vojtech Pavlik * Copyright (c) 2005 Michael Haboustak for Concept2, Inc - * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2006-2008 Jiri Kosina */ /* @@ -641,9 +641,7 @@ static void hid_find_max_report(struct hid_device *hid, unsigned int type, unsigned int size; list_for_each_entry(report, &hid->report_enum[type].report_list, list) { - size = ((report->size - 1) >> 3) + 1; - if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered) - size++; + size = ((report->size - 1) >> 3) + 1 + hid->report_enum[type].numbered; if (*max < size) *max = size; } -- cgit v0.10.2 From 08ef08ee8c5a8d538ca9a3c433d4213c128af863 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Thu, 30 Oct 2008 23:58:51 +0100 Subject: HID: automatically call usbhid_set_leds in usbhid driver This patch (as1146c) makes usbhid automatically call usbhid_set_leds() for any device that supports the keyboard boot protocol. In theory this should be perfectly safe. BIOSes send the LED output report as part of their normal device initialization, so any keyboard device supporting the boot protocol has to be able to handle it. As a side effect, the hid-dell and hid-bright drivers are no longer needed, and the Logitech keyboard driver can be removed from hid-lg. CC: Mauro Carvalho Chehab Signed-off-by: Alan Stern Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index b4fd8ca..65b577e 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -107,13 +107,6 @@ config HID_BELKIN ---help--- Support for Belkin Flip KVM and Wireless keyboard. -config HID_BRIGHT - tristate "Bright" if EMBEDDED - depends on USB_HID - default y - ---help--- - Support for Bright ABNT-2 keyboard. - config HID_CHERRY tristate "Cherry" if EMBEDDED depends on USB_HID @@ -135,14 +128,6 @@ config HID_CYPRESS ---help--- Support for cypress mouse and barcode readers. -config HID_DELL - tristate "Dell" if EMBEDDED - depends on USB_HID - default y - ---help--- - Support for quirky Dell HID hardware that require - special LED handling (W7658 and SK8115 models) - config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index b09e43e..e2294a8 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -23,11 +23,9 @@ endif obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_BELKIN) += hid-belkin.o -obj-$(CONFIG_HID_BRIGHT) += hid-bright.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o -obj-$(CONFIG_HID_DELL) += hid-dell.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-bright.c b/drivers/hid/hid-bright.c deleted file mode 100644 index 38517a1..0000000 --- a/drivers/hid/hid-bright.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * HID driver for some bright "special" devices - * - * Copyright (c) 2008 Mauro Carvalho Chehab - * - * Based on hid-dell driver - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include -#include -#include - -#include "hid-ids.h" - -static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; - } - - usbhid_set_leds(hdev); - - return 0; -err_free: - return ret; -} - -static const struct hid_device_id bright_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, - { } -}; -MODULE_DEVICE_TABLE(hid, bright_devices); - -static struct hid_driver bright_driver = { - .name = "bright", - .id_table = bright_devices, - .probe = bright_probe, -}; - -static int bright_init(void) -{ - return hid_register_driver(&bright_driver); -} - -static void bright_exit(void) -{ - hid_unregister_driver(&bright_driver); -} - -module_init(bright_init); -module_exit(bright_exit); -MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(bright); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 839de38..8be3003 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1256,16 +1256,12 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, - { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, @@ -1279,7 +1275,6 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c deleted file mode 100644 index f5474300..0000000 --- a/drivers/hid/hid-dell.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * HID driver for some dell "special" devices - * - * Copyright (c) 1999 Andreas Gal - * Copyright (c) 2000-2005 Vojtech Pavlik - * Copyright (c) 2005 Michael Haboustak for Concept2, Inc - * Copyright (c) 2006-2007 Jiri Kosina - * Copyright (c) 2007 Paul Walmsley - * Copyright (c) 2008 Jiri Slaby - */ - -/* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - */ - -#include -#include -#include - -#include "hid-ids.h" - -static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - - ret = hid_parse(hdev); - if (ret) { - dev_err(&hdev->dev, "parse failed\n"); - goto err_free; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - dev_err(&hdev->dev, "hw start failed\n"); - goto err_free; - } - - usbhid_set_leds(hdev); - - return 0; -err_free: - return ret; -} - -static const struct hid_device_id dell_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, - { } -}; -MODULE_DEVICE_TABLE(hid, dell_devices); - -static struct hid_driver dell_driver = { - .name = "dell", - .id_table = dell_devices, - .probe = dell_probe, -}; - -static int dell_init(void) -{ - return hid_register_driver(&dell_driver); -} - -static void dell_exit(void) -{ - hid_unregister_driver(&dell_driver); -} - -module_init(dell_init); -module_exit(dell_exit); -MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(dell); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3928969..aae2cec 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -107,9 +107,6 @@ #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 -#define USB_VENDOR_ID_BRIGHT 0x1241 -#define USB_DEVICE_ID_BRIGHT_ABNT2 0x1503 - #define USB_VENDOR_ID_BERKSHIRE 0x0c98 #define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 @@ -141,10 +138,6 @@ #define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 #define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 -#define USB_VENDOR_ID_DELL 0x413c -#define USB_DEVICE_ID_DELL_W7658 0x2005 -#define USB_DEVICE_ID_DELL_SK8115 0x2105 - #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 @@ -167,9 +160,6 @@ #define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc -#define USB_VENDOR_ID_GENERIC_13BA 0x13ba -#define USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE 0x0017 - #define USB_VENDOR_ID_GLAB 0x06c2 #define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 #define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039 @@ -292,7 +282,6 @@ #define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 #define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a -#define USB_DEVICE_ID_LOGITECH_KBD 0xc311 #define USB_DEVICE_ID_S510_RECEIVER 0xc50c #define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 2bae340..83e07c9 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -26,7 +26,6 @@ #define LG_RDESC 0x001 #define LG_BAD_RELATIVE_KEYS 0x002 #define LG_DUPLICATE_USAGES 0x004 -#define LG_RESET_LEDS 0x008 #define LG_EXPANDED_KEYMAP 0x010 #define LG_IGNORE_DOUBLED_WHEEL 0x020 #define LG_WIRELESS 0x040 @@ -248,9 +247,6 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_free; } - if (quirks & LG_RESET_LEDS) - usbhid_set_leds(hdev); - if (quirks & LG_FF) lgff_init(hdev); if (quirks & LG_FF2) @@ -279,9 +275,6 @@ static const struct hid_device_id lg_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI), .driver_data = LG_DUPLICATE_USAGES }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD), - .driver_data = LG_RESET_LEDS }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD), .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500), diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 2afc861..6383145 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -874,6 +874,15 @@ static int usbhid_start(struct hid_device *hid) set_bit(HID_STARTED, &usbhid->iofl); + /* Some keyboards don't work until their LEDs have been set. + * Since BIOSes do set the LEDs, it must be safe for any device + * that supports the keyboard boot protocol. + */ + if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT && + interface->desc.bInterfaceProtocol == + USB_INTERFACE_PROTOCOL_KEYBOARD) + usbhid_set_leds(hid); + return 0; fail: -- cgit v0.10.2 From 6bbe586fd4d94439f3960e200056ff057f7db5c6 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Fri, 31 Oct 2008 00:12:32 +0100 Subject: HID: struct device - replace bus_id with dev_name(), dev_set_name() This patch is part of a larger patch series which will remove the "char bus_id[20]" name string from struct device. The device name is managed in the kobject anyway, and without any size limitation, and just needlessly copied into "struct device". To set and read the device name dev_name(dev) and dev_set_name(dev) must be used. If your code uses static kobjects, which it shouldn't do, "const char *init_name" can be used to statically provide the name the registered device should have. At registration time, the init_name field is cleared, to enforce the use of dev_name(dev) to access the device name at a later time. We need to get rid of all occurrences of bus_id in the entire tree to be able to enable the new interface. Please apply this patch, and possibly convert any remaining remaining occurrences of bus_id. We want to submit a patch to -next, which will remove bus_id from "struct device", to find the remaining pieces to convert, and finally switch over to the new api, which will remove the 20 bytes array and does no longer have a size limitation. CC: Jiri Kosina Acked-by: Greg Kroah-Hartman Signed-off-by: Kay Sievers Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8be3003..8624a8f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1616,9 +1616,10 @@ int hid_add_device(struct hid_device *hdev) if (hid_ignore(hdev)) return -ENODEV; - /* XXX hack, any other cleaner solution < 20 bus_id bytes? */ - sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus, - hdev->vendor, hdev->product, atomic_inc_return(&id)); + /* XXX hack, any other cleaner solution after the driver core + * is converted to allow more than 20 bytes as the device name? */ + dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, + hdev->vendor, hdev->product, atomic_inc_return(&id)); ret = device_add(&hdev->dev); if (!ret) -- cgit v0.10.2 From 9188e79ec3fd43a0a605274324aecfb731baa88b Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Wed, 12 Nov 2008 16:14:08 +0100 Subject: HID: add phys and name ioctls to hidraw The hiddev interface provides ioctl() calls which can be used to obtain phys and raw name of the underlying device. Add the corresponding support also into hidraw. Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 7685ae6..975edd8 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -265,6 +265,34 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, break; } default: + { + struct hid_device *hid = dev->hid; + if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) + return -EINVAL; + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWNAME(0))) { + int len; + if (!hid->name) + return 0; + len = strlen(hid->name) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->name, len) ? + -EFAULT : len; + } + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGRAWPHYS(0))) { + int len; + if (!hid->phys) + return 0; + len = strlen(hid->phys) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->phys, len) ? + -EFAULT : len; + } + } + ret = -ENOTTY; } unlock_kernel(); diff --git a/include/linux/hidraw.h b/include/linux/hidraw.h index dbb5c8c..dd8d692 100644 --- a/include/linux/hidraw.h +++ b/include/linux/hidraw.h @@ -33,6 +33,8 @@ struct hidraw_devinfo { #define HIDIOCGRDESCSIZE _IOR('H', 0x01, int) #define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor) #define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo) +#define HIDIOCGRAWNAME(len) _IOC(_IOC_READ, 'H', 0x04, len) +#define HIDIOCGRAWPHYS(len) _IOC(_IOC_READ, 'H', 0x05, len) #define HIDRAW_FIRST_MINOR 0 #define HIDRAW_MAX_DEVICES 64 -- cgit v0.10.2 From 94011f93f2cd7410401e22390cf7a14fe5495a22 Mon Sep 17 00:00:00 2001 From: Rafi Rubin Date: Wed, 19 Nov 2008 15:54:46 +0100 Subject: HID: add n-trig digitizer support Added quirks for the N-Trig digitizer. Signed-off-by: Rafi Rubin Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 65b577e..aadef9a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -187,6 +187,13 @@ config HID_MONTEREY ---help--- Support for Monterey Genius KB29E. +config HID_NTRIG + tristate "NTrig" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for N-Trig touch screen. + config HID_PANTHERLORD tristate "Pantherlord devices support" if EMBEDDED depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index e2294a8..7d34e8b 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_HID_GYRATION) += hid-gyration.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o +obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8624a8f..344f8fd 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1292,6 +1292,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, + { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index e148f86..4a6af3c 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -43,6 +43,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_MONTEREY_MODULE HID_COMPAT_CALL_DRIVER(monterey); #endif +#ifdef CONFIG_HID_NTRIG_MODULE + HID_COMPAT_CALL_DRIVER(ntrig); +#endif #ifdef CONFIG_HID_PANTHERLORD_MODULE HID_COMPAT_CALL_DRIVER(pantherlord); #endif diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index aae2cec..2b7b6ee 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -328,6 +328,9 @@ #define USB_VENDOR_ID_NEC 0x073e #define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 +#define USB_VENDOR_ID_NTRIG 0x1b96 +#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN 0x0001 + #define USB_VENDOR_ID_ONTRAK 0x0a07 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c new file mode 100644 index 0000000..db44fbd --- /dev/null +++ b/drivers/hid/hid-ntrig.c @@ -0,0 +1,82 @@ +/* + * HID driver for some ntrig "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik + * Copyright (c) 2005 Michael Haboustak for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + * Copyright (c) 2008 Rafi Rubin + * + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +#define NTRIG_DUPLICATE_USAGES 0x001 + +#define nt_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) + +static int ntrig_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_DIGITIZER && + (usage->hid & 0xff) == 0x47) { + nt_map_key_clear(BTN_TOOL_DOUBLETAP); + return 1; + } + return 0; +} + +static int ntrig_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->type == EV_KEY || usage->type == EV_REL + || usage->type == EV_ABS) + clear_bit(usage->code, *bit); + + return 0; +} +static const struct hid_device_id ntrig_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN), + .driver_data = NTRIG_DUPLICATE_USAGES }, + { } +}; +MODULE_DEVICE_TABLE(hid, ntrig_devices); + +static struct hid_driver ntrig_driver = { + .name = "ntrig", + .id_table = ntrig_devices, + .input_mapping = ntrig_input_mapping, + .input_mapped = ntrig_input_mapped, +}; + +static int ntrig_init(void) +{ + return hid_register_driver(&ntrig_driver); +} + +static void ntrig_exit(void) +{ + hid_unregister_driver(&ntrig_driver); +} + +module_init(ntrig_init); +module_exit(ntrig_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(ntrig); -- cgit v0.10.2 From 0ed94b334265b6ee3e3336b4fedacfa9cb2ccaba Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 24 Nov 2008 16:20:07 +0100 Subject: HID: move usbhid flags to usbhid.h Move usbhid specific flags from global hid.h into local usbhid.h. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 332abcd..9eb3056 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -40,6 +40,16 @@ int usbhid_open(struct hid_device *hid); void usbhid_init_reports(struct hid_device *hid); void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); +/* iofl flags */ +#define HID_CTRL_RUNNING 1 +#define HID_OUT_RUNNING 2 +#define HID_IN_RUNNING 3 +#define HID_RESET_PENDING 4 +#define HID_SUSPENDED 5 +#define HID_CLEAR_HALT 6 +#define HID_DISCONNECTED 7 +#define HID_STARTED 8 + /* * USB-specific HID struct, to be pointed to * from struct hid_device->driver_data diff --git a/include/linux/hid.h b/include/linux/hid.h index e5780f8..2c20f20 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -403,15 +403,6 @@ struct hid_output_fifo { #define HID_STAT_ADDED 1 #define HID_STAT_PARSED 2 -#define HID_CTRL_RUNNING 1 -#define HID_OUT_RUNNING 2 -#define HID_IN_RUNNING 3 -#define HID_RESET_PENDING 4 -#define HID_SUSPENDED 5 -#define HID_CLEAR_HALT 6 -#define HID_DISCONNECTED 7 -#define HID_STARTED 8 - struct hid_input { struct list_head list; struct hid_report *report; -- cgit v0.10.2 From 581a2739607b5fdfb6b22d6083fc7f83c441077f Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 24 Nov 2008 16:20:08 +0100 Subject: HID: usbhid, use usb_endpoint_xfer_int Use usb_endpoint_xfer_int() instead of direct use of constants. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 6383145..832e469 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -805,7 +805,7 @@ static int usbhid_start(struct hid_device *hid) int interval; endpoint = &interface->endpoint[n].desc; - if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */ + if (!usb_endpoint_xfer_int(endpoint)) continue; interval = endpoint->bInterval; -- cgit v0.10.2 From 898089d08f983ef0fdb176267620543a7929826a Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 24 Nov 2008 16:20:06 +0100 Subject: HID: use GFP_KERNEL in hid_alloc_buffers We might sleep, so no problem to use GFP_KERNEL. While at it bring the function to coding style. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 832e469..03cb494 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -651,13 +651,16 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma))) - return -1; - if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma))) - return -1; - if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma))) - return -1; - if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma))) + usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->inbuf_dma); + usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->outbuf_dma); + usbhid->cr = usb_buffer_alloc(dev, sizeof(*usbhid->cr), GFP_KERNEL, + &usbhid->cr_dma); + usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_KERNEL, + &usbhid->ctrlbuf_dma); + if (!usbhid->inbuf || !usbhid->outbuf || !usbhid->cr || + !usbhid->ctrlbuf) return -1; return 0; -- cgit v0.10.2 From 3a6f82f7a22cf19687f556997c6978b31c109360 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Mon, 24 Nov 2008 16:20:09 +0100 Subject: HID: add dynids facility Allow adding new devices to the hid drivers on the fly without a need of kernel recompilation. Now, one can test a driver e.g. by: echo 0003:045E:00F0.0003 > ../generic-usb/unbind echo 0003 045E 00F0 > new_id from some driver subdir. Signed-off-by: Jiri Slaby Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 344f8fd..34cc3b0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1304,12 +1304,92 @@ static const struct hid_device_id hid_blacklist[] = { { } }; +struct hid_dynid { + struct list_head list; + struct hid_device_id id; +}; + +/** + * store_new_id - add a new HID device ID to this driver and re-probe devices + * @driver: target device driver + * @buf: buffer for scanning device ID data + * @count: input size + * + * Adds a new dynamic hid device ID to this driver, + * and causes the driver to probe for all devices again. + */ +static ssize_t store_new_id(struct device_driver *drv, const char *buf, + size_t count) +{ + struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_dynid *dynid; + __u32 bus, vendor, product; + unsigned long driver_data = 0; + int ret; + + ret = sscanf(buf, "%x %x %x %lx", + &bus, &vendor, &product, &driver_data); + if (ret < 3) + return -EINVAL; + + dynid = kzalloc(sizeof(*dynid), GFP_KERNEL); + if (!dynid) + return -ENOMEM; + + dynid->id.bus = bus; + dynid->id.vendor = vendor; + dynid->id.product = product; + dynid->id.driver_data = driver_data; + + spin_lock(&hdrv->dyn_lock); + list_add_tail(&dynid->list, &hdrv->dyn_list); + spin_unlock(&hdrv->dyn_lock); + + ret = 0; + if (get_driver(&hdrv->driver)) { + ret = driver_attach(&hdrv->driver); + put_driver(&hdrv->driver); + } + + return ret ? : count; +} +static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id); + +static void hid_free_dynids(struct hid_driver *hdrv) +{ + struct hid_dynid *dynid, *n; + + spin_lock(&hdrv->dyn_lock); + list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) { + list_del(&dynid->list); + kfree(dynid); + } + spin_unlock(&hdrv->dyn_lock); +} + +static const struct hid_device_id *hid_match_device(struct hid_device *hdev, + struct hid_driver *hdrv) +{ + struct hid_dynid *dynid; + + spin_lock(&hdrv->dyn_lock); + list_for_each_entry(dynid, &hdrv->dyn_list, list) { + if (hid_match_one_id(hdev, &dynid->id)) { + spin_unlock(&hdrv->dyn_lock); + return &dynid->id; + } + } + spin_unlock(&hdrv->dyn_lock); + + return hid_match_id(hdev, hdrv->id_table); +} + static int hid_bus_match(struct device *dev, struct device_driver *drv) { struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); struct hid_device *hdev = container_of(dev, struct hid_device, dev); - if (!hid_match_id(hdev, hdrv->id_table)) + if (!hid_match_device(hdev, hdrv)) return 0; /* generic wants all non-blacklisted */ @@ -1328,7 +1408,7 @@ static int hid_device_probe(struct device *dev) int ret = 0; if (!hdev->driver) { - id = hid_match_id(hdev, hdrv->id_table); + id = hid_match_device(hdev, hdrv); if (id == NULL) return -ENODEV; @@ -1695,18 +1775,33 @@ EXPORT_SYMBOL_GPL(hid_destroy_device); int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, const char *mod_name) { + int ret; + hdrv->driver.name = hdrv->name; hdrv->driver.bus = &hid_bus_type; hdrv->driver.owner = owner; hdrv->driver.mod_name = mod_name; - return driver_register(&hdrv->driver); + INIT_LIST_HEAD(&hdrv->dyn_list); + spin_lock_init(&hdrv->dyn_lock); + + ret = driver_register(&hdrv->driver); + if (ret) + return ret; + + ret = driver_create_file(&hdrv->driver, &driver_attr_new_id); + if (ret) + driver_unregister(&hdrv->driver); + + return ret; } EXPORT_SYMBOL_GPL(__hid_register_driver); void hid_unregister_driver(struct hid_driver *hdrv) { + driver_remove_file(&hdrv->driver, &driver_attr_new_id); driver_unregister(&hdrv->driver); + hid_free_dynids(hdrv); } EXPORT_SYMBOL_GPL(hid_unregister_driver); diff --git a/include/linux/hid.h b/include/linux/hid.h index 2c20f20..215035b 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -531,6 +531,8 @@ struct hid_usage_id { * @name: driver name (e.g. "Footech_bar-wheel") * @id_table: which devices is this driver for (must be non-NULL for probe * to be called) + * @dyn_list: list of dynamically added device ids + * @dyn_lock: lock protecting @dyn_list * @probe: new device inserted * @remove: device removed (NULL if not a hot-plug capable driver) * @report_table: on which reports to call raw_event (NULL means all) @@ -558,6 +560,9 @@ struct hid_driver { char *name; const struct hid_device_id *id_table; + struct list_head dyn_list; + spinlock_t dyn_lock; + int (*probe)(struct hid_device *dev, const struct hid_device_id *id); void (*remove)(struct hid_device *dev); -- cgit v0.10.2 From aae6c286dad33c7f2c6992b9e310a371f2ae377e Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Thu, 4 Dec 2008 16:16:46 +0100 Subject: HID: set proper dev.parent in hidraw We need to properly set parent of the hidraw device (which is the corresponding physical device itself) in order to hidraw devices not end up under virtual device tree. Reported-by: Kay Sievers Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 975edd8..aab5911 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -357,7 +357,7 @@ int hidraw_connect(struct hid_device *hid) goto out; } - dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), + dev->dev = device_create(hidraw_class, &hid->dev, MKDEV(hidraw_major, minor), NULL, "%s%d", "hidraw", minor); if (IS_ERR(dev->dev)) { -- cgit v0.10.2 From d04b431e3d769fbbf26c4f4072002375c8cc4ed9 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Thu, 11 Dec 2008 14:54:07 +0100 Subject: HID: switch specialized drivers from "default y" to !EMBEDDED Fix the obnoxious "default y" for all the "special" HID code, which forces folk with EMBEDDED defined to manually override that inappropriate default for almost 20 choices. The general policy is against "default y"; it should apply here too. Signed-off-by: David Brownell Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index aadef9a..1033129 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -85,14 +85,14 @@ config HID_COMPAT config HID_A4TECH tristate "A4 tech" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for A4 tech X5 and WOP-35 / Trust 450L mice. config HID_APPLE tristate "Apple" if EMBEDDED depends on (USB_HID || BT_HIDP) - default y + default !EMBEDDED ---help--- Support for some Apple devices which less or more break HID specification. @@ -103,49 +103,49 @@ config HID_APPLE config HID_BELKIN tristate "Belkin" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Belkin Flip KVM and Wireless keyboard. config HID_CHERRY tristate "Cherry" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Cherry Cymotion keyboard. config HID_CHICONY tristate "Chicony" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Chicony Tactical pad. config HID_CYPRESS tristate "Cypress" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for cypress mouse and barcode readers. config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Ezkey BTC 8193 keyboard. config HID_GYRATION tristate "Gyration" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Gyration remote control. config HID_LOGITECH tristate "Logitech" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Logitech devices that are not fully compliant with HID standard. @@ -176,28 +176,28 @@ config LOGIRUMBLEPAD2_FF config HID_MICROSOFT tristate "Microsoft" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Microsoft devices that are not fully compliant with HID standard. config HID_MONTEREY tristate "Monterey" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Monterey Genius KB29E. config HID_NTRIG tristate "NTrig" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for N-Trig touch screen. config HID_PANTHERLORD tristate "Pantherlord devices support" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for PantherLord/GreenAsia based device support. @@ -212,28 +212,28 @@ config PANTHERLORD_FF config HID_PETALYNX tristate "Petalynx" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Petalynx Maxter remote control. config HID_SAMSUNG tristate "Samsung" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Samsung InfraRed remote control. config HID_SONY tristate "Sony" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Sony PS3 controller. config HID_SUNPLUS tristate "Sunplus" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Support for Sunplus wireless desktop. -- cgit v0.10.2 From 42859e0bd21daba9974757fcfe4a4dde265fe28d Mon Sep 17 00:00:00 2001 From: Lukasz Lubojanski Date: Thu, 11 Dec 2008 22:07:59 +0100 Subject: HID: force feedback driver for GreenAsia 0x12 PID I have implemented Force Feedback driver for another "GreeAsia" based device (0e8f:0012 "GreenAsia Inc. USB Joystick"). The functionality was tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635 and fftest software - everything seems to work right. Signed-off-by: Lukasz Lubojanski Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 1033129..81dd9b8 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -237,6 +237,15 @@ config HID_SUNPLUS ---help--- Support for Sunplus wireless desktop. +config GREENASIA_FF + tristate "GreenAsia (Product ID 0x12) force feedback support" + depends on USB_HID + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you have a GreenAsia (Product ID 0x12) based game controller + (like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter + and want to enable force feedback support for it. + config THRUSTMASTER_FF tristate "ThrustMaster devices support" depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 7d34e8b..3354eac 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o +obj-$(CONFIG_GREENASIA_FF) += hid-gaff.o obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 34cc3b0..8fd35a69 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1265,6 +1265,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c index 4a6af3c..b4cc0f7 100644 --- a/drivers/hid/hid-dummy.c +++ b/drivers/hid/hid-dummy.c @@ -61,6 +61,9 @@ static int __init hid_dummy_init(void) #ifdef CONFIG_HID_SUNPLUS_MODULE HID_COMPAT_CALL_DRIVER(sunplus); #endif +#ifdef CONFIG_GREENASIA_FF_MODULE + HID_COMPAT_CALL_DRIVER(greenasia); +#endif #ifdef CONFIG_THRUSTMASTER_FF_MODULE HID_COMPAT_CALL_DRIVER(thrustmaster); #endif diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c new file mode 100644 index 0000000..71211f6 --- /dev/null +++ b/drivers/hid/hid-gaff.c @@ -0,0 +1,185 @@ +/* + * Force feedback support for GreenAsia (Product ID 0x12) based devices + * + * The devices are distributed under various names and the same USB device ID + * can be used in many game controllers. + * + * + * 0e8f:0012 "GreenAsia Inc. USB Joystick " + * - tested with MANTA Warior MM816 and SpeedLink Strike2 SL-6635. + * + * Copyright (c) 2008 Lukasz Lubojanski + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include "hid-ids.h" +#include "usbhid/usbhid.h" + +struct gaff_device { + struct hid_report *report; +}; + +static int hid_gaff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct gaff_device *gaff = data; + int left, right; + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + + dbg_hid("called with 0x%04x 0x%04x", left, right); + + left = left * 0xfe / 0xffff; + right = right * 0xfe / 0xffff; + + gaff->report->field[0]->value[0] = 0x51; + gaff->report->field[0]->value[1] = 0x0; + gaff->report->field[0]->value[2] = right; + gaff->report->field[0]->value[3] = 0; + gaff->report->field[0]->value[4] = left; + gaff->report->field[0]->value[5] = 0; + dbg_hid("running with 0x%02x 0x%02x", left, right); + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + gaff->report->field[0]->value[0] = 0xfa; + gaff->report->field[0]->value[1] = 0xfe; + gaff->report->field[0]->value[2] = 0x0; + gaff->report->field[0]->value[4] = 0x0; + + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + return 0; +} + +static int gaff_init(struct hid_device *hid) +{ + struct gaff_device *gaff; + struct hid_report *report; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct list_head *report_ptr = report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output reports found\n"); + return -ENODEV; + } + + report_ptr = report_ptr->next; + + report = list_entry(report_ptr, struct hid_report, list); + if (report->maxfield < 1) { + dev_err(&hid->dev, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 6) { + dev_err(&hid->dev, "not enough values in the field\n"); + return -ENODEV; + } + + gaff = kzalloc(sizeof(struct gaff_device), GFP_KERNEL); + if (!gaff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, gaff, hid_gaff_play); + if (error) { + kfree(gaff); + return error; + } + + gaff->report = report; + gaff->report->field[0]->value[0] = 0x51; + gaff->report->field[0]->value[1] = 0x00; + gaff->report->field[0]->value[2] = 0x00; + gaff->report->field[0]->value[3] = 0x00; + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + gaff->report->field[0]->value[0] = 0xfa; + gaff->report->field[0]->value[1] = 0xfe; + + usbhid_submit_report(hid, gaff->report, USB_DIR_OUT); + + dev_info(&hid->dev, "Force Feedback for GreenAsia 0x12" + " devices by Lukasz Lubojanski \n"); + + return 0; +} + +static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + dev_dbg(&hdev->dev, "Greenasia HID hardware probe..."); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + gaff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id ga_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012), }, + { } +}; +MODULE_DEVICE_TABLE(hid, ga_devices); + +static struct hid_driver ga_driver = { + .name = "greenasia", + .id_table = ga_devices, + .probe = ga_probe, +}; + +static int __init ga_init(void) +{ + return hid_register_driver(&ga_driver); +} + +static void __exit ga_exit(void) +{ + hid_unregister_driver(&ga_driver); +} + +module_init(ga_init); +module_exit(ga_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(greenasia); -- cgit v0.10.2 From 079034073faf974973baa0256b029451f6e768ad Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 16 Dec 2008 10:55:15 +0100 Subject: HID: hiddev cleanup -- handle all error conditions properly This is a cleanup of hiddev and fixes the following issues: - thread safety by locking in read & ioctl, introducing a per device mutex - race between ioctl and disconnect, introducing a flag and locking in form of a per low level device mutex - race between open and other methods, making sure only successfully opened devices are put on the list, changing order of events - range checking both upper and lower limits of the minor range - make sure further calls to open fail for unplugged devices even if the device still has opened files - error checking for low level open - possible loss of wakeup events, using standard waiting macros - race in initialisation by moving registration after full initialisation Signed-off-by: Oliver Neukum Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 83e851a..6a98f9f 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -49,6 +49,7 @@ struct hiddev { int exist; int open; + struct mutex existancelock; wait_queue_head_t wait; struct hid_device *hid; struct list_head list; @@ -63,6 +64,7 @@ struct hiddev_list { struct fasync_struct *fasync; struct hiddev *hiddev; struct list_head node; + struct mutex thread_lock; }; static struct hiddev *hiddev_table[HIDDEV_MINORS]; @@ -264,29 +266,48 @@ static int hiddev_release(struct inode * inode, struct file * file) static int hiddev_open(struct inode *inode, struct file *file) { struct hiddev_list *list; - unsigned long flags; + int res; int i = iminor(inode) - HIDDEV_MINOR_BASE; - if (i >= HIDDEV_MINORS || !hiddev_table[i]) + if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i]) return -ENODEV; if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL))) return -ENOMEM; + mutex_init(&list->thread_lock); list->hiddev = hiddev_table[i]; - spin_lock_irqsave(&list->hiddev->list_lock, flags); - list_add_tail(&list->node, &hiddev_table[i]->list); - spin_unlock_irqrestore(&list->hiddev->list_lock, flags); file->private_data = list; - if (!list->hiddev->open++) - if (list->hiddev->exist) - usbhid_open(hiddev_table[i]->hid); + /* + * no need for locking because the USB major number + * is shared which usbcore guards against disconnect + */ + if (list->hiddev->exist) { + if (!list->hiddev->open++) { + res = usbhid_open(hiddev_table[i]->hid); + if (res < 0) { + res = -EIO; + goto bail; + } + } + } else { + res = -ENODEV; + goto bail; + } + + spin_lock_irq(&list->hiddev->list_lock); + list_add_tail(&list->node, &hiddev_table[i]->list); + spin_unlock_irq(&list->hiddev->list_lock); return 0; +bail: + file->private_data = NULL; + kfree(list->hiddev); + return res; } /* @@ -305,7 +326,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun DECLARE_WAITQUEUE(wait, current); struct hiddev_list *list = file->private_data; int event_size; - int retval = 0; + int retval; event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ? sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event); @@ -313,10 +334,14 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun if (count < event_size) return 0; + /* lock against other threads */ + retval = mutex_lock_interruptible(&list->thread_lock); + if (retval) + return -ERESTARTSYS; + while (retval == 0) { if (list->head == list->tail) { - add_wait_queue(&list->hiddev->wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); + prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE); while (list->head == list->tail) { if (file->f_flags & O_NONBLOCK) { @@ -332,35 +357,45 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun break; } + /* let O_NONBLOCK tasks run */ + mutex_unlock(&list->thread_lock); schedule(); + if (mutex_lock_interruptible(&list->thread_lock)) + return -EINTR; set_current_state(TASK_INTERRUPTIBLE); } + finish_wait(&list->hiddev->wait, &wait); - set_current_state(TASK_RUNNING); - remove_wait_queue(&list->hiddev->wait, &wait); } - if (retval) + if (retval) { + mutex_unlock(&list->thread_lock); return retval; + } while (list->head != list->tail && retval + event_size <= count) { if ((list->flags & HIDDEV_FLAG_UREF) == 0) { - if (list->buffer[list->tail].field_index != - HID_FIELD_INDEX_NONE) { + if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE) { struct hiddev_event event; + event.hid = list->buffer[list->tail].usage_code; event.value = list->buffer[list->tail].value; - if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) + if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) { + mutex_unlock(&list->thread_lock); return -EFAULT; + } retval += sizeof(struct hiddev_event); } } else { if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE || (list->flags & HIDDEV_FLAG_REPORT) != 0) { - if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) + + if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) { + mutex_unlock(&list->thread_lock); return -EFAULT; + } retval += sizeof(struct hiddev_usage_ref); } } @@ -368,6 +403,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun } } + mutex_unlock(&list->thread_lock); return retval; } @@ -555,7 +591,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct hid_field *field; struct usbhid_device *usbhid = hid->driver_data; void __user *user_arg = (void __user *)arg; - int i; + int i, r; /* Called without BKL by compat methods so no BKL taken */ @@ -619,10 +655,22 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } case HIDIOCGSTRING: - return hiddev_ioctl_string(hiddev, cmd, user_arg); + mutex_lock(&hiddev->existancelock); + if (!hiddev->exist) + r = hiddev_ioctl_string(hiddev, cmd, user_arg); + else + r = -ENODEV; + mutex_unlock(&hiddev->existancelock); + return r; case HIDIOCINITREPORT: + mutex_lock(&hiddev->existancelock); + if (!hiddev->exist) { + mutex_unlock(&hiddev->existancelock); + return -ENODEV; + } usbhid_init_reports(hid); + mutex_unlock(&hiddev->existancelock); return 0; @@ -636,8 +684,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) return -EINVAL; - usbhid_submit_report(hid, report, USB_DIR_IN); - usbhid_wait_io(hid); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) { + usbhid_submit_report(hid, report, USB_DIR_IN); + usbhid_wait_io(hid); + } + mutex_unlock(&hiddev->existancelock); return 0; @@ -651,8 +703,12 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) return -EINVAL; - usbhid_submit_report(hid, report, USB_DIR_OUT); - usbhid_wait_io(hid); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) { + usbhid_submit_report(hid, report, USB_DIR_OUT); + usbhid_wait_io(hid); + } + mutex_unlock(&hiddev->existancelock); return 0; @@ -710,7 +766,13 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case HIDIOCGUSAGES: case HIDIOCSUSAGES: case HIDIOCGCOLLECTIONINDEX: - return hiddev_ioctl_usage(hiddev, cmd, user_arg); + mutex_lock(&hiddev->existancelock); + if (hiddev->exist) + r = hiddev_ioctl_usage(hiddev, cmd, user_arg); + else + r = -ENODEV; + mutex_unlock(&hiddev->existancelock); + return r; case HIDIOCGCOLLECTIONINFO: if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) @@ -808,23 +870,22 @@ int hiddev_connect(struct hid_device *hid, unsigned int force) if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL))) return -1; - retval = usb_register_dev(usbhid->intf, &hiddev_class); - if (retval) { - err_hid("Not able to get a minor for this device."); - kfree(hiddev); - return -1; - } - init_waitqueue_head(&hiddev->wait); INIT_LIST_HEAD(&hiddev->list); spin_lock_init(&hiddev->list_lock); + mutex_init(&hiddev->existancelock); hiddev->hid = hid; hiddev->exist = 1; - hid->minor = usbhid->intf->minor; - hid->hiddev = hiddev; - - hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; + retval = usb_register_dev(usbhid->intf, &hiddev_class); + if (retval) { + err_hid("Not able to get a minor for this device."); + kfree(hiddev); + return -1; + } else { + hid->minor = usbhid->intf->minor; + hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; + } return 0; } @@ -839,7 +900,9 @@ void hiddev_disconnect(struct hid_device *hid) struct hiddev *hiddev = hid->hiddev; struct usbhid_device *usbhid = hid->driver_data; + mutex_lock(&hiddev->existancelock); hiddev->exist = 0; + mutex_unlock(&hiddev->existancelock); hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL; usb_deregister_dev(usbhid->intf, &hiddev_class); -- cgit v0.10.2 From 725cf0f47dbb02e0482f081828cff73f55479b79 Mon Sep 17 00:00:00 2001 From: Hannes Eder Date: Tue, 16 Dec 2008 14:20:23 +0100 Subject: HID: avoid sparse warning in HID_COMPAT_LOAD_DRIVER Impact: include a prototype for the exported function in the macro Fix about 20 of this warnings: drivers/hid/hid-a4tech.c:162:1: warning: symbol 'hid_compat_a4tech' was not declared. Should it be static? Signed-off-by: Hannes Eder Signed-off-by: Jiri Kosina diff --git a/include/linux/hid.h b/include/linux/hid.h index 215035b..81aa84d 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -793,6 +793,8 @@ dbg_hid(const char *fmt, ...) #ifdef CONFIG_HID_COMPAT #define HID_COMPAT_LOAD_DRIVER(name) \ +/* prototype to avoid sparse warning */ \ +extern void hid_compat_##name(void); \ void hid_compat_##name(void) { } \ EXPORT_SYMBOL(hid_compat_##name) #else -- cgit v0.10.2 From ac09952babed8e2ac6999127b7f95d7a2bbfd7af Mon Sep 17 00:00:00 2001 From: Parag Warudkar Date: Mon, 22 Dec 2008 22:50:52 +0100 Subject: HID: make boot protocol drivers depend on EMBEDDED The usbmouse and usbkbd modules are not supposed to be used with regular USB mice and keyboards. Make them depend on EMBEDDED to prevent them from being built and loaded on non-EMBEDDED configs. Signed-off-by: Parag Warudkar Signed-off-by: Jiri Kosina diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig index 5d9aa95..4edb3be 100644 --- a/drivers/hid/usbhid/Kconfig +++ b/drivers/hid/usbhid/Kconfig @@ -45,7 +45,7 @@ config USB_HIDDEV If unsure, say Y. menu "USB HID Boot Protocol drivers" - depends on USB!=n && USB_HID!=y + depends on USB!=n && USB_HID!=y && EMBEDDED config USB_KBD tristate "USB HIDBP Keyboard (simple Boot) support" -- cgit v0.10.2 From f14f526d02b14fd0b8c1ac4ec413e4577ad5f62e Mon Sep 17 00:00:00 2001 From: Lev Babiev Date: Sun, 4 Jan 2009 00:36:56 +0100 Subject: HID: driver for TopSeed Cyberlink quirky remote I recently picked up a Cyberlink branded remote control produced by TopSeed Tech Corp. Alas, it appears that this device is using non-standard mappings for some of it's keys (Usage page 0xffbc). Signed-off-by: Lev Babiev Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 81dd9b8..4c65e75 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -246,6 +246,13 @@ config GREENASIA_FF (like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter and want to enable force feedback support for it. +config HID_TOPSEED + tristate "TopSeed Cyberlink remote control support" if EMBEDDED + depends on USB_HID + default y + ---help--- + Say Y if you have a TopSeed Cyberlink remote control. + config THRUSTMASTER_FF tristate "ThrustMaster devices support" depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 3354eac..fbd021f 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_HID_SONY) += hid-sony.o obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o obj-$(CONFIG_GREENASIA_FF) += hid-gaff.o obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o +obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o obj-$(CONFIG_USB_HID) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8fd35a69..58a706d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1299,6 +1299,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 2b7b6ee..daced0b 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -375,6 +375,9 @@ #define USB_VENDOR_ID_TOPMAX 0x0663 #define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 +#define USB_VENDOR_ID_TOPSEED 0x0766 +#define USB_DEVICE_ID_TOPSEED_CYBERLINK 0x0204 + #define USB_VENDOR_ID_TURBOX 0x062a #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c new file mode 100644 index 0000000..cca64a0 --- /dev/null +++ b/drivers/hid/hid-topseed.c @@ -0,0 +1,77 @@ +/* + * HID driver for TopSeed Cyberlink remote + * + * Copyright (c) 2008 Lev Babiev + * based on hid-cherry driver + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include +#include +#include + +#include "hid-ids.h" + +#define ts_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x00d: ts_map_key_clear(KEY_HOME); break; + case 0x024: ts_map_key_clear(KEY_MENU); break; + case 0x025: ts_map_key_clear(KEY_TV); break; + case 0x048: ts_map_key_clear(KEY_RED); break; + case 0x047: ts_map_key_clear(KEY_GREEN); break; + case 0x049: ts_map_key_clear(KEY_YELLOW); break; + case 0x04a: ts_map_key_clear(KEY_BLUE); break; + case 0x04b: ts_map_key_clear(KEY_ANGLE); break; + case 0x04c: ts_map_key_clear(KEY_LANGUAGE); break; + case 0x04d: ts_map_key_clear(KEY_SUBTITLE); break; + case 0x031: ts_map_key_clear(KEY_AUDIO); break; + case 0x032: ts_map_key_clear(KEY_TEXT); break; + case 0x033: ts_map_key_clear(KEY_CHANNEL); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ts_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ts_devices); + +static struct hid_driver ts_driver = { + .name = "topseed", + .id_table = ts_devices, + .input_mapping = ts_input_mapping, +}; + +static int ts_init(void) +{ + return hid_register_driver(&ts_driver); +} + +static void ts_exit(void) +{ + hid_unregister_driver(&ts_driver); +} + +module_init(ts_init); +module_exit(ts_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(topseed); -- cgit v0.10.2 From 1db489b2953799d41098a891c85dea02e3c4721a Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Sun, 4 Jan 2009 00:39:08 +0100 Subject: HID: fix default Kconfig setting for TopSpeed driver Make default setting for TopSpeed driver compliant with the defaults of the other specialized HID drivers. Signed-off-by: Jiri Kosina diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 4c65e75..e85c8fe 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -249,7 +249,7 @@ config GREENASIA_FF config HID_TOPSEED tristate "TopSeed Cyberlink remote control support" if EMBEDDED depends on USB_HID - default y + default !EMBEDDED ---help--- Say Y if you have a TopSeed Cyberlink remote control. -- cgit v0.10.2 From 5f6108cf9be4a77d6bee96750aa4fe18b6b97dee Mon Sep 17 00:00:00 2001 From: Alexey Klimov Date: Mon, 8 Dec 2008 12:40:14 +0100 Subject: HID: don't allow DealExtreme usb-radio be handled by usb hid driver This device is already handled by radio-si470x driver, and we therefore want usbhid to ignore it. Patch places usb ids of that device in ignore section of hid-core.c Signed-off-by: Alexey Klimov Signed-off-by: Andrew Morton Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 40df3e1..0ac2b66 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1420,6 +1420,7 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3928969..1fe0b8b 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -141,6 +141,9 @@ #define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 #define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 +#define USB_VENDOR_ID_DEALEXTREAME 0x10c5 +#define USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701 0x819a + #define USB_VENDOR_ID_DELL 0x413c #define USB_DEVICE_ID_DELL_W7658 0x2005 #define USB_DEVICE_ID_DELL_SK8115 0x2105 -- cgit v0.10.2 From 25e61613cf3ca7f6d5f89a707b20c9eed6b74455 Mon Sep 17 00:00:00 2001 From: Matt Helsley Date: Sat, 13 Dec 2008 14:28:54 +0100 Subject: HID: add proper support for pensketch 12x9 tablet The Genius PenSketch 12x9 tablet has a puck (labeled a "Tablet Mouse") in addition to a pen. Without registering a quirk the tablet appears to be a single input device that reports the wrong axis information in /proc/bus/input/devices, and sends incorrect events (e.g. ABS_Z instead of ABS_Y). This information confuses the X evdev driver and makes the device impossible to use. The quirk fixes events and splits the device into multiple input event devices so that at least the puck is useful. Signed-off-by: Matt Helsley Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 1fe0b8b..63aaa0f 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -389,6 +389,9 @@ #define USB_VENDOR_ID_TURBOX 0x062a #define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 +#define USB_VENDOR_ID_UCLOGIC 0x5543 +#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042 + #define USB_VENDOR_ID_VERNIER 0x08f7 #define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 47ebe04..4391717 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -54,6 +54,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, -- cgit v0.10.2 From b8a832b1c0a70531b4bd69a67aa0bf72f6f2dc34 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Mon, 15 Dec 2008 13:12:08 +0100 Subject: HID: fix reference count leak hidraw The hidraw subsystem has a bug that prevents the close syscall from ever reaching the low level driver, leading to a resource leak. Fix by replacing postdecrement with predecrement. Signed-off-by: Oliver Neukum Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 7685ae6..96ec1ba 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -208,7 +208,7 @@ static int hidraw_release(struct inode * inode, struct file * file) list_del(&list->node); dev = hidraw_table[minor]; - if (!dev->open--) { + if (!--dev->open) { if (list->hidraw->exist) dev->hid->ll_driver->close(dev->hid); else -- cgit v0.10.2 From 4dfdc46468a142216b284eea66040f49df3f7191 Mon Sep 17 00:00:00 2001 From: Jiri Kosina Date: Tue, 30 Dec 2008 00:49:59 +0100 Subject: HID: fix error condition propagation in hid-sony driver sony_set_operational() only propagates return value from usb_control_msg(), which returns negative on error and number of transferred bytes otherwise. Reported-by: Marcin Tolysz Signed-off-by: Jiri Kosina diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 86e563b..dd5a397 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -102,7 +102,7 @@ static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) } ret = sony_set_operational(hdev); - if (ret) + if (ret < 0) goto err_stop; return 0; -- cgit v0.10.2 From 913ae5a24efd27deef4fc154953871b62d0d99cd Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Sat, 3 Jan 2009 17:54:53 +0100 Subject: ALSA: sound/usb: Use negated usb_endpoint_xfer_control, etc This patch extends 42a6e66f1e40a930d093c33ba0bb9d8d8e4555ed by using usb_endpoint_xfer_control, usb_endpoint_xfer_isoc, usb_endpoint_xfer_bulk, and usb_endpoint_xfer_int in the negated case as well. This patch also rewrites some calls to usb_endpoint_dir_in as negated calls to !usb_endpoint_dir_out, and vice versa, to better correspond to the intent of the original code. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ struct usb_endpoint_descriptor *epd; @@ - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_CONTROL\|0\)) + !usb_endpoint_xfer_control(epd) @@ struct usb_endpoint_descriptor *epd; @@ - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_ISOC\|1\)) + !usb_endpoint_xfer_isoc(epd) @@ struct usb_endpoint_descriptor *epd; @@ - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_BULK\|2\)) + !usb_endpoint_xfer_bulk(epd) @@ struct usb_endpoint_descriptor *epd; @@ - (usb_endpoint_type(epd) != \(USB_ENDPOINT_XFER_INT\|3\)) + !usb_endpoint_xfer_int(epd) // Signed-off-by: Julia Lawall Signed-off-by: Takashi Iwai diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index 3a9a9fe..320641a 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -1392,8 +1392,7 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { hostep = &hostif->endpoint[i]; ep = get_ep_desc(hostep); - if (usb_endpoint_type(ep) != USB_ENDPOINT_XFER_BULK && - usb_endpoint_type(ep) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep)) continue; ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra; if (hostep->extralen < 4 || @@ -1495,8 +1494,8 @@ static int snd_usbmidi_detect_endpoints(struct snd_usb_midi* umidi, for (i = 0; i < intfd->bNumEndpoints; ++i) { epd = get_endpoint(hostif, i); - if (usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK && - usb_endpoint_type(epd) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_xfer_bulk(epd) && + !usb_endpoint_xfer_int(epd)) continue; if (out_eps < max_endpoints && usb_endpoint_dir_out(epd)) { @@ -1607,21 +1606,19 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi* umidi, } epd = get_endpoint(hostif, 0); - if (usb_endpoint_dir_out(epd) || - usb_endpoint_type(epd) != USB_ENDPOINT_XFER_INT) { + if (!usb_endpoint_dir_in(epd) || !usb_endpoint_xfer_int(epd)) { snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n"); return -ENXIO; } epd = get_endpoint(hostif, 2); - if (usb_endpoint_dir_in(epd) || - usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK) { + if (!usb_endpoint_dir_out(epd) || !usb_endpoint_xfer_bulk(epd)) { snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n"); return -ENXIO; } if (endpoint->out_cables > 0x0001) { epd = get_endpoint(hostif, 4); - if (usb_endpoint_dir_in(epd) || - usb_endpoint_type(epd) != USB_ENDPOINT_XFER_BULK) { + if (!usb_endpoint_dir_out(epd) || + !usb_endpoint_xfer_bulk(epd)) { snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n"); return -ENXIO; } diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 9ce626f..00397c8 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1755,8 +1755,7 @@ static int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) if (get_iface_desc(hostif)->bNumEndpoints < 1) return 0; ep = get_endpoint(hostif, 0); - if (usb_endpoint_dir_out(ep) || - usb_endpoint_type(ep) != USB_ENDPOINT_XFER_INT) + if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) return 0; epnum = usb_endpoint_num(ep); -- cgit v0.10.2 From 6cd99b7828445dc18e9004c81067c36e8d9caa01 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 24 Oct 2008 19:25:27 +0200 Subject: mfd: Don't mark WM8350 security register as volatile There's no need to read this back from the chip each time. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c index 974678d..aaf394a 100644 --- a/drivers/mfd/wm8350-regmap.c +++ b/drivers/mfd/wm8350-regmap.c @@ -1307,7 +1307,7 @@ const struct wm8350_reg_access wm8350_reg_io_map[] = { { 0xFF3F, 0xE03F, 0x0000 }, /* R216 - Main Bandgap Control */ { 0xEF2F, 0xE02F, 0x0000 }, /* R217 - OSC Control */ { 0xF3FF, 0xB3FF, 0xc000 }, /* R218 - RTC Tick Control */ - { 0xFFFF, 0xFFFF, 0xFFFF }, /* R219 */ + { 0xFFFF, 0xFFFF, 0x0000 }, /* R219 - Security */ { 0x09FF, 0x01FF, 0x0000 }, /* R220 - RAM BIST 1 */ { 0x0000, 0x0000, 0x0000 }, /* R221 */ { 0xFFFF, 0xFFFF, 0xFFFF }, /* R222 */ -- cgit v0.10.2 From 2c5212279a89224512e421fa9f8bd0fabbab77d8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 8 Nov 2008 00:52:54 +0100 Subject: mfd: Remove i.MX31ism from WM8350 i2c driver Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 3e0ce0e..876e693 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -1,8 +1,6 @@ /* * wm8350-i2c.c -- Generic I2C driver for Wolfson WM8350 PMIC * - * This driver defines and configures the WM8350 for the Freescale i.MX32ADS. - * * Copyright 2007, 2008 Wolfson Microelectronics PLC. * * Author: Liam Girdwood -- cgit v0.10.2 From 858e674466427b1236eb5ef9568999a7df286b1e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 8 Nov 2008 00:57:33 +0100 Subject: mfd: Add some documentation for WM8350 register lock Hopefully this will make the purpose of these functions a bit clearer, it's not immediately obvious that the lock is a hardware feature. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 0d47fb9..d63a530 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -299,6 +299,13 @@ int wm8350_block_write(struct wm8350 *wm8350, int start_reg, int regs, } EXPORT_SYMBOL_GPL(wm8350_block_write); +/** + * wm8350_reg_lock() + * + * The WM8350 has a hardware lock which can be used to prevent writes to + * some registers (generally those which can cause particularly serious + * problems if misused). This function enables that lock. + */ int wm8350_reg_lock(struct wm8350 *wm8350) { u16 key = WM8350_LOCK_KEY; @@ -314,6 +321,15 @@ int wm8350_reg_lock(struct wm8350 *wm8350) } EXPORT_SYMBOL_GPL(wm8350_reg_lock); +/** + * wm8350_reg_unlock() + * + * The WM8350 has a hardware lock which can be used to prevent writes to + * some registers (generally those which can cause particularly serious + * problems if misused). This function disables that lock so updates + * can be performed. For maximum safety this should be done only when + * required. + */ int wm8350_reg_unlock(struct wm8350 *wm8350) { u16 key = WM8350_UNLOCK_KEY; -- cgit v0.10.2 From 0c8a601678960fbcc1c1185a283d6d107575810b Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 8 Nov 2008 01:10:16 +0100 Subject: mfd: Add WM8350 revision H support No other software changes are required. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index d63a530..c013afd 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1202,9 +1202,14 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, dev_info(wm8350->dev, "Found Rev G device\n"); wm8350->rev = WM8350_REV_G; break; + case WM8350_REV_H: + dev_info(wm8350->dev, "Found Rev H device\n"); + wm8350->rev = WM8350_REV_H; + break; default: /* For safety we refuse to run on unknown hardware */ - dev_info(wm8350->dev, "Found unknown rev\n"); + dev_info(wm8350->dev, "Found unknown rev %x\n", + (id2 & WM8350_CHIP_REV_MASK) >> 12); ret = -ENODEV; goto err; } diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 6ebf97f..9490ec1 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -536,6 +536,7 @@ #define WM8350_REV_E 0x4 #define WM8350_REV_F 0x5 #define WM8350_REV_G 0x6 +#define WM8350_REV_H 0x7 #define WM8350_NUM_IRQ 63 -- cgit v0.10.2 From 67488526349d043372d141c054f4dc6313780b3c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 8 Nov 2008 01:10:21 +0100 Subject: mfd: Add AUXADC support for WM8350 The auxiliary ADC in the WM8350 is shared between several subdevices so access to it needs to be arbitrated by the core driver. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index c013afd..60439bd 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -63,7 +63,6 @@ */ static DEFINE_MUTEX(io_mutex); static DEFINE_MUTEX(reg_lock_mutex); -static DEFINE_MUTEX(auxadc_mutex); /* Perform a physical read from the device. */ @@ -1082,6 +1081,55 @@ int wm8350_unmask_irq(struct wm8350 *wm8350, int irq) } EXPORT_SYMBOL_GPL(wm8350_unmask_irq); +int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref) +{ + u16 reg, result = 0; + int tries = 5; + + if (channel < WM8350_AUXADC_AUX1 || channel > WM8350_AUXADC_TEMP) + return -EINVAL; + if (channel >= WM8350_AUXADC_USB && channel <= WM8350_AUXADC_TEMP + && (scale != 0 || vref != 0)) + return -EINVAL; + + mutex_lock(&wm8350->auxadc_mutex); + + /* Turn on the ADC */ + reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5); + wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5, reg | WM8350_AUXADC_ENA); + + if (scale || vref) { + reg = scale << 13; + reg |= vref << 12; + wm8350_reg_write(wm8350, WM8350_AUX1_READBACK + channel, reg); + } + + reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1); + reg |= 1 << channel | WM8350_AUXADC_POLL; + wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg); + + do { + schedule_timeout_interruptible(1); + reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1); + } while (tries-- && (reg & WM8350_AUXADC_POLL)); + + if (!tries) + dev_err(wm8350->dev, "adc chn %d read timeout\n", channel); + else + result = wm8350_reg_read(wm8350, + WM8350_AUX1_READBACK + channel); + + /* Turn off the ADC */ + reg = wm8350_reg_read(wm8350, WM8350_POWER_MGMT_5); + wm8350_reg_write(wm8350, WM8350_POWER_MGMT_5, + reg & ~WM8350_AUXADC_ENA); + + mutex_unlock(&wm8350->auxadc_mutex); + + return result & WM8350_AUXADC_DATA1_MASK; +} +EXPORT_SYMBOL_GPL(wm8350_read_auxadc); + /* * Cache is always host endian. */ @@ -1239,6 +1287,7 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, } } + mutex_init(&wm8350->auxadc_mutex); mutex_init(&wm8350->irq_mutex); INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); if (irq) { diff --git a/include/linux/mfd/wm8350/comparator.h b/include/linux/mfd/wm8350/comparator.h index 0537886..54bc5d0 100644 --- a/include/linux/mfd/wm8350/comparator.h +++ b/include/linux/mfd/wm8350/comparator.h @@ -164,4 +164,12 @@ #define WM8350_AUXADC_BATT 6 #define WM8350_AUXADC_TEMP 7 +struct wm8350; + +/* + * AUX ADC Readback + */ +int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, + int vref); + #endif diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 9490ec1..cc19005 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -573,6 +573,8 @@ struct wm8350 { void *src); u16 *reg_cache; + struct mutex auxadc_mutex; + /* Interrupt handling */ struct work_struct irq_work; struct mutex irq_mutex; /* IRQ table mutex */ -- cgit v0.10.2 From 3fba19ec1ae5b460c73a7f32efed8d3b3300b246 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sat, 8 Nov 2008 01:13:16 +0100 Subject: mfd: allow reading entire register banks on twl4030 Minor change to the TWL4030 utility interface: support reads of all 256 bytes in each register bank (vs just 255). This can help when debugging, but is otherwise a NOP. Signed-off-by: David Brownell Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c index dd843c4..ef9a971 100644 --- a/drivers/mfd/twl4030-core.c +++ b/drivers/mfd/twl4030-core.c @@ -225,7 +225,7 @@ static struct twl4030mapping twl4030_map[TWL4030_MODULE_LAST + 1] = { * * Returns the result of operation - 0 is success */ -int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes) +int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) { int ret; int sid; @@ -274,7 +274,7 @@ EXPORT_SYMBOL(twl4030_i2c_write); * * Returns result of operation - num_bytes is success else failure. */ -int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes) +int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes) { int ret; u8 val; diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h index fb604dc..ae25c90 100644 --- a/include/linux/i2c/twl4030.h +++ b/include/linux/i2c/twl4030.h @@ -78,8 +78,8 @@ int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg); * IMPORTANT: For twl4030_i2c_write(), allocate num_bytes + 1 * for the value, and populate your data starting at offset 1. */ -int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); -int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes); +int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes); +int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes); /*----------------------------------------------------------------------*/ -- cgit v0.10.2 From 14431aa0c5a443d13d24e6f865a8838f97dab973 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 16 Nov 2008 20:16:47 +0100 Subject: power_supply: Add support for WM8350 PMU This patch adds support for the PMU provided by the WM8350 which implements battery, line and USB supplies including a battery charger. The hardware functions largely autonomously, with minimal software control required to initiate fast charging. Support for configuration of the USB supply is not yet implemented. This means that the hardware will remain in the mode configured at startup, by default limiting the current drawn from USB to 100mA. This driver was originally written by Liam Girdwood with subsequent updates for submission by Mark Brown. Signed-off-by: Mark Brown Acked-by: Anton Vorontsov Signed-off-by: Samuel Ortiz diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 8e0c2b4..52f8676 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -29,6 +29,13 @@ config APM_POWER Say Y here to enable support APM status emulation using battery class devices. +config WM8350_POWER + tristate "WM8350 PMU support" + depends on MFD_WM8350 + help + Say Y here to enable support for the power management unit + provided by the Wolfson Microelectronics WM8350 PMIC. + config BATTERY_DS2760 tristate "DS2760 battery driver (HP iPAQ & others)" select W1 diff --git a/drivers/power/Makefile b/drivers/power/Makefile index e8f1ece..e6f6865 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_POWER_SUPPLY) += power_supply.o obj-$(CONFIG_PDA_POWER) += pda_power.o obj-$(CONFIG_APM_POWER) += apm_power.o +obj-$(CONFIG_WM8350_POWER) += wm8350_power.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c new file mode 100644 index 0000000..9c0a847 --- /dev/null +++ b/drivers/power/wm8350_power.c @@ -0,0 +1,515 @@ +/* + * Battery driver for wm8350 PMIC + * + * Copyright 2007, 2008 Wolfson Microelectronics PLC. + * + * Based on OLPC Battery Driver + * + * Copyright 2006 David Woodhouse + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include + +static int wm8350_read_battery_uvolts(struct wm8350 *wm8350) +{ + return wm8350_read_auxadc(wm8350, WM8350_AUXADC_BATT, 0, 0) + * WM8350_AUX_COEFF; +} + +static int wm8350_read_line_uvolts(struct wm8350 *wm8350) +{ + return wm8350_read_auxadc(wm8350, WM8350_AUXADC_LINE, 0, 0) + * WM8350_AUX_COEFF; +} + +static int wm8350_read_usb_uvolts(struct wm8350 *wm8350) +{ + return wm8350_read_auxadc(wm8350, WM8350_AUXADC_USB, 0, 0) + * WM8350_AUX_COEFF; +} + +#define WM8350_BATT_SUPPLY 1 +#define WM8350_USB_SUPPLY 2 +#define WM8350_LINE_SUPPLY 4 + +static inline int wm8350_charge_time_min(struct wm8350 *wm8350, int min) +{ + if (wm8350->rev < WM8350_REV_G) + return (((min - 30) / 15) & 0xf) << 8; + else + return (((min - 30) / 30) & 0xf) << 8; +} + +static int wm8350_get_supplies(struct wm8350 *wm8350) +{ + u16 sm, ov, co, chrg; + int supplies = 0; + + sm = wm8350_reg_read(wm8350, WM8350_STATE_MACHINE_STATUS); + ov = wm8350_reg_read(wm8350, WM8350_MISC_OVERRIDES); + co = wm8350_reg_read(wm8350, WM8350_COMPARATOR_OVERRIDES); + chrg = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2); + + /* USB_SM */ + sm = (sm & WM8350_USB_SM_MASK) >> WM8350_USB_SM_SHIFT; + + /* CHG_ISEL */ + chrg &= WM8350_CHG_ISEL_MASK; + + /* If the USB state machine is active then we're using that with or + * without battery, otherwise check for wall supply */ + if (((sm == WM8350_USB_SM_100_SLV) || + (sm == WM8350_USB_SM_500_SLV) || + (sm == WM8350_USB_SM_STDBY_SLV)) + && !(ov & WM8350_USB_LIMIT_OVRDE)) + supplies = WM8350_USB_SUPPLY; + else if (((sm == WM8350_USB_SM_100_SLV) || + (sm == WM8350_USB_SM_500_SLV) || + (sm == WM8350_USB_SM_STDBY_SLV)) + && (ov & WM8350_USB_LIMIT_OVRDE) && (chrg == 0)) + supplies = WM8350_USB_SUPPLY | WM8350_BATT_SUPPLY; + else if (co & WM8350_WALL_FB_OVRDE) + supplies = WM8350_LINE_SUPPLY; + else + supplies = WM8350_BATT_SUPPLY; + + return supplies; +} + +static int wm8350_charger_config(struct wm8350 *wm8350, + struct wm8350_charger_policy *policy) +{ + u16 reg, eoc_mA, fast_limit_mA; + + if (!policy) { + dev_warn(wm8350->dev, + "No charger policy, charger not configured.\n"); + return -EINVAL; + } + + /* make sure USB fast charge current is not > 500mA */ + if (policy->fast_limit_USB_mA > 500) { + dev_err(wm8350->dev, "USB fast charge > 500mA\n"); + return -EINVAL; + } + + eoc_mA = WM8350_CHG_EOC_mA(policy->eoc_mA); + + wm8350_reg_unlock(wm8350); + + reg = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_1) + & WM8350_CHG_ENA_R168; + wm8350_reg_write(wm8350, WM8350_BATTERY_CHARGER_CONTROL_1, + reg | eoc_mA | policy->trickle_start_mV | + WM8350_CHG_TRICKLE_TEMP_CHOKE | + WM8350_CHG_TRICKLE_USB_CHOKE | + WM8350_CHG_FAST_USB_THROTTLE); + + if (wm8350_get_supplies(wm8350) & WM8350_USB_SUPPLY) { + fast_limit_mA = + WM8350_CHG_FAST_LIMIT_mA(policy->fast_limit_USB_mA); + wm8350_reg_write(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2, + policy->charge_mV | policy->trickle_charge_USB_mA | + fast_limit_mA | wm8350_charge_time_min(wm8350, + policy->charge_timeout)); + + } else { + fast_limit_mA = + WM8350_CHG_FAST_LIMIT_mA(policy->fast_limit_mA); + wm8350_reg_write(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2, + policy->charge_mV | policy->trickle_charge_mA | + fast_limit_mA | wm8350_charge_time_min(wm8350, + policy->charge_timeout)); + } + + wm8350_reg_lock(wm8350); + return 0; +} + +static int wm8350_batt_status(struct wm8350 *wm8350) +{ + u16 state; + + state = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2); + state &= WM8350_CHG_STS_MASK; + + switch (state) { + case WM8350_CHG_STS_OFF: + return POWER_SUPPLY_STATUS_DISCHARGING; + + case WM8350_CHG_STS_TRICKLE: + case WM8350_CHG_STS_FAST: + return POWER_SUPPLY_STATUS_CHARGING; + + default: + return POWER_SUPPLY_STATUS_UNKNOWN; + } +} + +static ssize_t charger_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + char *charge; + int state; + + state = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2) & + WM8350_CHG_STS_MASK; + switch (state) { + case WM8350_CHG_STS_OFF: + charge = "Charger Off"; + break; + case WM8350_CHG_STS_TRICKLE: + charge = "Trickle Charging"; + break; + case WM8350_CHG_STS_FAST: + charge = "Fast Charging"; + break; + default: + return 0; + } + + return sprintf(buf, "%s\n", charge); +} + +static DEVICE_ATTR(charger_state, 0444, charger_state_show, NULL); + +static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data) +{ + struct wm8350_power *power = &wm8350->power; + struct wm8350_charger_policy *policy = power->policy; + + switch (irq) { + case WM8350_IRQ_CHG_BAT_HOT: + dev_err(wm8350->dev, "battery too hot\n"); + break; + case WM8350_IRQ_CHG_BAT_COLD: + dev_err(wm8350->dev, "battery too cold\n"); + break; + case WM8350_IRQ_CHG_BAT_FAIL: + dev_err(wm8350->dev, "battery failed\n"); + break; + case WM8350_IRQ_CHG_TO: + dev_err(wm8350->dev, "charger timeout\n"); + break; + case WM8350_IRQ_CHG_END: + power_supply_changed(&power->battery); + break; + case WM8350_IRQ_CHG_START: + power_supply_changed(&power->battery); + break; + + case WM8350_IRQ_CHG_FAST_RDY: + dev_dbg(wm8350->dev, "fast charger ready\n"); + wm8350_charger_config(wm8350, policy); + wm8350_reg_unlock(wm8350); + wm8350_set_bits(wm8350, WM8350_BATTERY_CHARGER_CONTROL_1, + WM8350_CHG_FAST); + wm8350_reg_lock(wm8350); + break; + + case WM8350_IRQ_CHG_VBATT_LT_3P9: + dev_warn(wm8350->dev, "battery < 3.9V\n"); + break; + case WM8350_IRQ_CHG_VBATT_LT_3P1: + dev_warn(wm8350->dev, "battery < 3.1V\n"); + break; + case WM8350_IRQ_CHG_VBATT_LT_2P85: + dev_warn(wm8350->dev, "battery < 2.85V\n"); + break; + + /* Supply change. We will overnotify but it should do + * no harm. */ + case WM8350_IRQ_EXT_USB_FB: + case WM8350_IRQ_EXT_WALL_FB: + wm8350_charger_config(wm8350, policy); + case WM8350_IRQ_EXT_BAT_FB: /* Fall through */ + power_supply_changed(&power->battery); + power_supply_changed(&power->usb); + power_supply_changed(&power->ac); + break; + + default: + dev_err(wm8350->dev, "Unknown interrupt %d\n", irq); + } +} + +/********************************************************************* + * AC Power + *********************************************************************/ +static int wm8350_ac_get_prop(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct wm8350 *wm8350 = dev_get_drvdata(psy->dev->parent); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + val->intval = !!(wm8350_get_supplies(wm8350) & + WM8350_LINE_SUPPLY); + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = wm8350_read_line_uvolts(wm8350); + break; + default: + ret = -EINVAL; + break; + } + return ret; +} + +static enum power_supply_property wm8350_ac_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_VOLTAGE_NOW, +}; + +/********************************************************************* + * USB Power + *********************************************************************/ +static int wm8350_usb_get_prop(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct wm8350 *wm8350 = dev_get_drvdata(psy->dev->parent); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_ONLINE: + val->intval = !!(wm8350_get_supplies(wm8350) & + WM8350_USB_SUPPLY); + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = wm8350_read_usb_uvolts(wm8350); + break; + default: + ret = -EINVAL; + break; + } + return ret; +} + +static enum power_supply_property wm8350_usb_props[] = { + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_VOLTAGE_NOW, +}; + +/********************************************************************* + * Battery properties + *********************************************************************/ + +static int wm8350_bat_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct wm8350 *wm8350 = dev_get_drvdata(psy->dev->parent); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + val->intval = wm8350_batt_status(wm8350); + break; + case POWER_SUPPLY_PROP_ONLINE: + val->intval = !!(wm8350_get_supplies(wm8350) & + WM8350_BATT_SUPPLY); + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = wm8350_read_battery_uvolts(wm8350); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static enum power_supply_property wm8350_bat_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_ONLINE, + POWER_SUPPLY_PROP_VOLTAGE_NOW, +}; + +/********************************************************************* + * Initialisation + *********************************************************************/ + +static void wm8350_init_charger(struct wm8350 *wm8350) +{ + /* register our interest in charger events */ + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_TO, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_TO); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_END, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_END); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_START, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_START); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1); + wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85); + + /* and supply change events */ + wm8350_register_irq(wm8350, WM8350_IRQ_EXT_USB_FB, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_USB_FB); + wm8350_register_irq(wm8350, WM8350_IRQ_EXT_WALL_FB, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_WALL_FB); + wm8350_register_irq(wm8350, WM8350_IRQ_EXT_BAT_FB, + wm8350_charger_handler, NULL); + wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_BAT_FB); +} + +static void free_charger_irq(struct wm8350 *wm8350) +{ + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_TO); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_TO); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_END); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_END); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_START); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_START); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1); + wm8350_mask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85); + wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85); + wm8350_mask_irq(wm8350, WM8350_IRQ_EXT_USB_FB); + wm8350_free_irq(wm8350, WM8350_IRQ_EXT_USB_FB); + wm8350_mask_irq(wm8350, WM8350_IRQ_EXT_WALL_FB); + wm8350_free_irq(wm8350, WM8350_IRQ_EXT_WALL_FB); + wm8350_mask_irq(wm8350, WM8350_IRQ_EXT_BAT_FB); + wm8350_free_irq(wm8350, WM8350_IRQ_EXT_BAT_FB); +} + +static __devinit int wm8350_power_probe(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + struct wm8350_power *power = &wm8350->power; + struct wm8350_charger_policy *policy = power->policy; + struct power_supply *usb = &power->usb; + struct power_supply *battery = &power->battery; + struct power_supply *ac = &power->ac; + int ret; + + ac->name = "wm8350-ac"; + ac->type = POWER_SUPPLY_TYPE_MAINS; + ac->properties = wm8350_ac_props; + ac->num_properties = ARRAY_SIZE(wm8350_ac_props); + ac->get_property = wm8350_ac_get_prop; + ret = power_supply_register(&pdev->dev, ac); + if (ret) + return ret; + + battery->name = "wm8350-battery"; + battery->properties = wm8350_bat_props; + battery->num_properties = ARRAY_SIZE(wm8350_bat_props); + battery->get_property = wm8350_bat_get_property; + battery->use_for_apm = 1; + ret = power_supply_register(&pdev->dev, battery); + if (ret) + goto battery_failed; + + usb->name = "wm8350-usb", + usb->type = POWER_SUPPLY_TYPE_USB; + usb->properties = wm8350_usb_props; + usb->num_properties = ARRAY_SIZE(wm8350_usb_props); + usb->get_property = wm8350_usb_get_prop; + ret = power_supply_register(&pdev->dev, usb); + if (ret) + goto usb_failed; + + ret = device_create_file(&pdev->dev, &dev_attr_charger_state); + if (ret < 0) + dev_warn(wm8350->dev, "failed to add charge sysfs: %d\n", ret); + ret = 0; + + wm8350_init_charger(wm8350); + if (wm8350_charger_config(wm8350, policy) == 0) { + wm8350_reg_unlock(wm8350); + wm8350_set_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CHG_ENA); + wm8350_reg_lock(wm8350); + } + + return ret; + +usb_failed: + power_supply_unregister(battery); +battery_failed: + power_supply_unregister(ac); + + return ret; +} + +static __devexit int wm8350_power_remove(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + struct wm8350_power *power = &wm8350->power; + + free_charger_irq(wm8350); + device_remove_file(&pdev->dev, &dev_attr_charger_state); + power_supply_unregister(&power->battery); + power_supply_unregister(&power->ac); + power_supply_unregister(&power->usb); + return 0; +} + +static struct platform_driver wm8350_power_driver = { + .probe = wm8350_power_probe, + .remove = __devexit_p(wm8350_power_remove), + .driver = { + .name = "wm8350-power", + }, +}; + +static int __init wm8350_power_init(void) +{ + return platform_driver_register(&wm8350_power_driver); +} +module_init(wm8350_power_init); + +static void __exit wm8350_power_exit(void) +{ + platform_driver_unregister(&wm8350_power_driver); +} +module_exit(wm8350_power_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Power supply driver for WM8350"); +MODULE_ALIAS("platform:wm8350-power"); diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index cc19005..d2614df 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -57,6 +57,9 @@ #define WM8350_OVER_CURRENT_INT_STATUS_MASK 0x25 #define WM8350_GPIO_INT_STATUS_MASK 0x26 #define WM8350_COMPARATOR_INT_STATUS_MASK 0x27 +#define WM8350_MISC_OVERRIDES 0xE3 +#define WM8350_COMPARATOR_OVERRIDES 0xE7 +#define WM8350_STATE_MACHINE_STATUS 0xE9 #define WM8350_MAX_REGISTER 0xFF @@ -523,6 +526,29 @@ #define WM8350_DC2_STS 0x0002 #define WM8350_DC1_STS 0x0001 +/* + * R227 (0xE3) - Misc Overrides + */ +#define WM8350_USB_LIMIT_OVRDE 0x0400 + +/* + * R227 (0xE7) - Comparator Overrides + */ +#define WM8350_USB_FB_OVRDE 0x8000 +#define WM8350_WALL_FB_OVRDE 0x4000 +#define WM8350_BATT_FB_OVRDE 0x2000 + + +/* + * R233 (0xE9) - State Machinine Status + */ +#define WM8350_USB_SM_MASK 0x0700 +#define WM8350_USB_SM_SHIFT 8 + +#define WM8350_USB_SM_100_SLV 1 +#define WM8350_USB_SM_500_SLV 5 +#define WM8350_USB_SM_STDBY_SLV 7 + /* WM8350 wake up conditions */ #define WM8350_IRQ_WKUP_OFF_STATE 43 #define WM8350_IRQ_WKUP_HIB_STATE 44 diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h index 1c8f3cd..7972151 100644 --- a/include/linux/mfd/wm8350/supply.h +++ b/include/linux/mfd/wm8350/supply.h @@ -13,7 +13,8 @@ #ifndef __LINUX_MFD_WM8350_SUPPLY_H_ #define __LINUX_MFD_WM8350_SUPPLY_H_ -#include +#include +#include /* * Charger registers @@ -104,8 +105,28 @@ #define WM8350_IRQ_EXT_WALL_FB 37 #define WM8350_IRQ_EXT_BAT_FB 38 +/* + * Policy to control charger state machine. + */ +struct wm8350_charger_policy { + + /* charger state machine policy - set in machine driver */ + int eoc_mA; /* end of charge current (mA) */ + int charge_mV; /* charge voltage */ + int fast_limit_mA; /* fast charge current limit */ + int fast_limit_USB_mA; /* USB fast charge current limit */ + int charge_timeout; /* charge timeout (mins) */ + int trickle_start_mV; /* trickle charge starts at mV */ + int trickle_charge_mA; /* trickle charge current */ + int trickle_charge_USB_mA; /* USB trickle charge current */ +}; + struct wm8350_power { struct platform_device *pdev; + struct power_supply battery; + struct power_supply usb; + struct power_supply ac; + struct wm8350_charger_policy *policy; }; #endif -- cgit v0.10.2 From d756f4a4446227ca9626087939a6769ca55ab036 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 24 Nov 2008 20:20:30 +0100 Subject: mfd: Switch WM8350 revision detection to a feature based model Rather than check for chip revisions in the WM8350 drivers have the core code set flags for relevant differences. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 60439bd..764bf15 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1240,19 +1240,17 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) { case WM8350_REV_E: dev_info(wm8350->dev, "Found Rev E device\n"); - wm8350->rev = WM8350_REV_E; break; case WM8350_REV_F: dev_info(wm8350->dev, "Found Rev F device\n"); - wm8350->rev = WM8350_REV_F; break; case WM8350_REV_G: dev_info(wm8350->dev, "Found Rev G device\n"); - wm8350->rev = WM8350_REV_G; + wm8350->power.rev_g_coeff = 1; break; case WM8350_REV_H: dev_info(wm8350->dev, "Found Rev H device\n"); - wm8350->rev = WM8350_REV_H; + wm8350->power.rev_g_coeff = 1; break; default: /* For safety we refuse to run on unknown hardware */ diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c index 9c0a847..74e7593 100644 --- a/drivers/power/wm8350_power.c +++ b/drivers/power/wm8350_power.c @@ -44,7 +44,7 @@ static int wm8350_read_usb_uvolts(struct wm8350 *wm8350) static inline int wm8350_charge_time_min(struct wm8350 *wm8350, int min) { - if (wm8350->rev < WM8350_REV_G) + if (!wm8350->power.rev_g_coeff) return (((min - 30) / 15) & 0xf) << 8; else return (((min - 30) / 30) & 0xf) << 8; diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index d2614df..3c97356 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -585,8 +585,6 @@ struct wm8350_irq { }; struct wm8350 { - int rev; /* chip revision */ - struct device *dev; /* device IO */ diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h index 7972151..2b94793 100644 --- a/include/linux/mfd/wm8350/supply.h +++ b/include/linux/mfd/wm8350/supply.h @@ -127,6 +127,8 @@ struct wm8350_power { struct power_supply usb; struct power_supply ac; struct wm8350_charger_policy *policy; + + int rev_g_coeff; }; #endif -- cgit v0.10.2 From b797a5551979da22b0a35632198ffc8a330d9537 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 24 Nov 2008 20:22:58 +0100 Subject: mfd: Refactor WM8350 chip identification Since the WM8350 driver was originally written the semantics for the identification registers of the chip have been clarified, allowing us to do an exact match on all the fields. This avoids mistakenly running on unsupported hardware. Also change to using the datasheet names more consistently for legibility and fix a printk() that should be dev_err(). Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 764bf15..2188d75 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1227,52 +1227,72 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, struct wm8350_platform_data *pdata) { int ret = -EINVAL; - u16 id1, id2, mask, mode; + u16 id1, id2, mask_rev; + u16 cust_id, mode, chip_rev; /* get WM8350 revision and config mode */ wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1); wm8350->read_dev(wm8350, WM8350_ID, sizeof(id2), &id2); + wm8350->read_dev(wm8350, WM8350_REVISION, sizeof(mask_rev), &mask_rev); id1 = be16_to_cpu(id1); id2 = be16_to_cpu(id2); + mask_rev = be16_to_cpu(mask_rev); - if (id1 == 0x6143) { - switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) { + if (id1 != 0x6143) { + dev_err(wm8350->dev, + "Device with ID %x is not a WM8350\n", id1); + ret = -ENODEV; + goto err; + } + + mode = id2 & WM8350_CONF_STS_MASK >> 10; + cust_id = id2 & WM8350_CUST_ID_MASK; + chip_rev = (id2 & WM8350_CHIP_REV_MASK) >> 12; + dev_info(wm8350->dev, + "CONF_STS %d, CUST_ID %d, MASK_REV %d, CHIP_REV %d\n", + mode, cust_id, mask_rev, chip_rev); + + if (cust_id != 0) { + dev_err(wm8350->dev, "Unsupported CUST_ID\n"); + ret = -ENODEV; + goto err; + } + + switch (mask_rev) { + case 0: + switch (chip_rev) { case WM8350_REV_E: - dev_info(wm8350->dev, "Found Rev E device\n"); + dev_info(wm8350->dev, "WM8350 Rev E\n"); break; case WM8350_REV_F: - dev_info(wm8350->dev, "Found Rev F device\n"); + dev_info(wm8350->dev, "WM8350 Rev F\n"); break; case WM8350_REV_G: - dev_info(wm8350->dev, "Found Rev G device\n"); + dev_info(wm8350->dev, "WM8350 Rev G\n"); wm8350->power.rev_g_coeff = 1; break; case WM8350_REV_H: - dev_info(wm8350->dev, "Found Rev H device\n"); + dev_info(wm8350->dev, "WM8350 Rev H\n"); wm8350->power.rev_g_coeff = 1; break; default: /* For safety we refuse to run on unknown hardware */ - dev_info(wm8350->dev, "Found unknown rev %x\n", - (id2 & WM8350_CHIP_REV_MASK) >> 12); + dev_err(wm8350->dev, "Unknown WM8350 CHIP_REV\n"); ret = -ENODEV; goto err; } - } else { - dev_info(wm8350->dev, "Device with ID %x is not a WM8350\n", - id1); + break; + + default: + dev_err(wm8350->dev, "Unknown MASK_REV\n"); ret = -ENODEV; goto err; } - mode = id2 & WM8350_CONF_STS_MASK >> 10; - mask = id2 & WM8350_CUST_ID_MASK; - dev_info(wm8350->dev, "Config mode %d, ROM mask %d\n", mode, mask); - ret = wm8350_create_cache(wm8350, mode); if (ret < 0) { - printk(KERN_ERR "wm8350: failed to create register cache\n"); + dev_err(wm8350->dev, "Failed to create register cache\n"); return ret; } diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 3c97356..2a7abee 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -29,6 +29,7 @@ */ #define WM8350_RESET_ID 0x00 #define WM8350_ID 0x01 +#define WM8350_REVISION 0x02 #define WM8350_SYSTEM_CONTROL_1 0x03 #define WM8350_SYSTEM_CONTROL_2 0x04 #define WM8350_SYSTEM_HIBERNATE 0x05 @@ -80,6 +81,11 @@ #define WM8350_CUST_ID_MASK 0x00FF /* + * R2 (0x02) - Revision + */ +#define WM8350_MASK_REV_MASK 0x00FF + +/* * R3 (0x03) - System Control 1 */ #define WM8350_CHIP_ON 0x8000 -- cgit v0.10.2 From 7e386e6e0e4f34f0545e8923e22fe4dd61ef9d48 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 30 Nov 2008 22:43:21 +0100 Subject: power_supply: Add cold to the POWER_SUPPLY_HEALTH report values Some systems are able to report problems with batteries being under temperature. Signed-off-by: Mark Brown Acked-by: Anton Vorontsov Signed-off-by: Samuel Ortiz diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c index 23ae846..ac01e06 100644 --- a/drivers/power/power_supply_sysfs.c +++ b/drivers/power/power_supply_sysfs.c @@ -45,7 +45,7 @@ static ssize_t power_supply_show_property(struct device *dev, }; static char *health_text[] = { "Unknown", "Good", "Overheat", "Dead", "Over voltage", - "Unspecified failure" + "Unspecified failure", "Cold", }; static char *technology_text[] = { "Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd", diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index f9348cb..8ff25e0 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -45,6 +45,7 @@ enum { POWER_SUPPLY_HEALTH_DEAD, POWER_SUPPLY_HEALTH_OVERVOLTAGE, POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, + POWER_SUPPLY_HEALTH_COLD, }; enum { -- cgit v0.10.2 From 4008e879e1325c29362aa2c3fa4b527273ae15a8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 30 Nov 2008 22:45:14 +0100 Subject: power_supply: Add battery health reporting for WM8350 Implement support for reporting battery health in the WM8350 battery interface. Since we are now able to report this via the classs remove the diagnostics from the interrupt handler. Signed-off-by: Mark Brown Acked-by: Anton Vorontsov Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c index aaf394a..b43d64c 100644 --- a/drivers/mfd/wm8350-regmap.c +++ b/drivers/mfd/wm8350-regmap.c @@ -1314,7 +1314,7 @@ const struct wm8350_reg_access wm8350_reg_io_map[] = { { 0xFFFF, 0xFFFF, 0xFFFF }, /* R223 */ { 0x0000, 0x0000, 0x0000 }, /* R224 */ { 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */ - { 0x0000, 0x0000, 0x0000 }, /* R226 */ + { 0x0000, 0x0000, 0xFFFF }, /* R226 - Charger status */ { 0x0000, 0x0000, 0xFFFF }, /* R227 */ { 0x0000, 0x0000, 0x0000 }, /* R228 */ { 0x0000, 0x0000, 0x0000 }, /* R229 */ diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c index 74e7593..1b16bf3 100644 --- a/drivers/power/wm8350_power.c +++ b/drivers/power/wm8350_power.c @@ -190,22 +190,18 @@ static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data) struct wm8350_charger_policy *policy = power->policy; switch (irq) { - case WM8350_IRQ_CHG_BAT_HOT: - dev_err(wm8350->dev, "battery too hot\n"); - break; - case WM8350_IRQ_CHG_BAT_COLD: - dev_err(wm8350->dev, "battery too cold\n"); - break; case WM8350_IRQ_CHG_BAT_FAIL: dev_err(wm8350->dev, "battery failed\n"); break; case WM8350_IRQ_CHG_TO: dev_err(wm8350->dev, "charger timeout\n"); - break; - case WM8350_IRQ_CHG_END: power_supply_changed(&power->battery); break; + + case WM8350_IRQ_CHG_BAT_HOT: + case WM8350_IRQ_CHG_BAT_COLD: case WM8350_IRQ_CHG_START: + case WM8350_IRQ_CHG_END: power_supply_changed(&power->battery); break; @@ -308,6 +304,23 @@ static enum power_supply_property wm8350_usb_props[] = { * Battery properties *********************************************************************/ +static int wm8350_bat_check_health(struct wm8350 *wm8350) +{ + u16 reg; + + if (wm8350_read_battery_uvolts(wm8350) < 2850000) + return POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; + + reg = wm8350_reg_read(wm8350, WM8350_CHARGER_OVERRIDES); + if (reg & WM8350_CHG_BATT_HOT_OVRDE) + return POWER_SUPPLY_HEALTH_OVERHEAT; + + if (reg & WM8350_CHG_BATT_COLD_OVRDE) + return POWER_SUPPLY_HEALTH_COLD; + + return POWER_SUPPLY_HEALTH_GOOD; +} + static int wm8350_bat_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -326,6 +339,9 @@ static int wm8350_bat_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_VOLTAGE_NOW: val->intval = wm8350_read_battery_uvolts(wm8350); break; + case POWER_SUPPLY_PROP_HEALTH: + val->intval = wm8350_bat_check_health(wm8350); + break; default: ret = -EINVAL; break; @@ -338,6 +354,7 @@ static enum power_supply_property wm8350_bat_props[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_HEALTH, }; /********************************************************************* diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 2a7abee..afeff6f 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -58,6 +58,7 @@ #define WM8350_OVER_CURRENT_INT_STATUS_MASK 0x25 #define WM8350_GPIO_INT_STATUS_MASK 0x26 #define WM8350_COMPARATOR_INT_STATUS_MASK 0x27 +#define WM8350_CHARGER_OVERRIDES 0xE2 #define WM8350_MISC_OVERRIDES 0xE3 #define WM8350_COMPARATOR_OVERRIDES 0xE7 #define WM8350_STATE_MACHINE_STATUS 0xE9 @@ -533,6 +534,12 @@ #define WM8350_DC1_STS 0x0001 /* + * R226 (0xE2) - Charger status + */ +#define WM8350_CHG_BATT_HOT_OVRDE 0x8000 +#define WM8350_CHG_BATT_COLD_OVRDE 0x4000 + +/* * R227 (0xE3) - Misc Overrides */ #define WM8350_USB_LIMIT_OVRDE 0x0400 -- cgit v0.10.2 From 5725d66b9d18e630bb63e3b76bedf25fd1027265 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 1 Dec 2008 00:31:04 +0100 Subject: mfd: twl4030: simplified child creation code Minor cleanup to twl4030-core: define a helper function to populate a single child node, and use it to replace six inconsistent versions of the same logic. Both object and source code shrink. As part of this, some devices now have more IRQ resources: battery charger, keypad, ADC, and USB transceiver. That helps to remove some irq #defines that block the children's drivers code from compiling on non-OMAP platforms. Signed-off-by: David Brownell Signed-off-by: Tony Lindgren Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c index ef9a971..f5486cc 100644 --- a/drivers/mfd/twl4030-core.c +++ b/drivers/mfd/twl4030-core.c @@ -352,258 +352,126 @@ EXPORT_SYMBOL(twl4030_i2c_read_u8); /*----------------------------------------------------------------------*/ -/* - * NOTE: We know the first 8 IRQs after pdata->base_irq are - * for the PIH, and the next are for the PWR_INT SIH, since - * that's how twl_init_irq() sets things up. - */ - -static int add_children(struct twl4030_platform_data *pdata) +static struct device *add_child(unsigned chip, const char *name, + void *pdata, unsigned pdata_len, + bool can_wakeup, int irq0, int irq1) { - struct platform_device *pdev = NULL; - struct twl4030_client *twl = NULL; - int status = 0; + struct platform_device *pdev; + struct twl4030_client *twl = &twl4030_modules[chip]; + int status; + + pdev = platform_device_alloc(name, -1); + if (!pdev) { + dev_dbg(&twl->client->dev, "can't alloc dev\n"); + status = -ENOMEM; + goto err; + } - if (twl_has_bci() && pdata->bci) { - twl = &twl4030_modules[3]; + device_init_wakeup(&pdev->dev, can_wakeup); + pdev->dev.parent = &twl->client->dev; - pdev = platform_device_alloc("twl4030_bci", -1); - if (!pdev) { - pr_debug("%s: can't alloc bci dev\n", DRIVER_NAME); - status = -ENOMEM; + if (pdata) { + status = platform_device_add_data(pdev, pdata, pdata_len); + if (status < 0) { + dev_dbg(&pdev->dev, "can't add platform_data\n"); goto err; } + } - if (status == 0) { - pdev->dev.parent = &twl->client->dev; - status = platform_device_add_data(pdev, pdata->bci, - sizeof(*pdata->bci)); - if (status < 0) { - dev_dbg(&twl->client->dev, - "can't add bci data, %d\n", - status); - goto err; - } - } - - if (status == 0) { - struct resource r = { - .start = pdata->irq_base + 8 + 1, - .flags = IORESOURCE_IRQ, - }; - - status = platform_device_add_resources(pdev, &r, 1); - } - - if (status == 0) - status = platform_device_add(pdev); + if (irq0) { + struct resource r[2] = { + { .start = irq0, .flags = IORESOURCE_IRQ, }, + { .start = irq1, .flags = IORESOURCE_IRQ, }, + }; + status = platform_device_add_resources(pdev, r, irq1 ? 2 : 1); if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create bci dev, %d\n", - status); + dev_dbg(&pdev->dev, "can't add irqs\n"); goto err; } } - if (twl_has_gpio() && pdata->gpio) { - twl = &twl4030_modules[1]; + status = platform_device_add(pdev); - pdev = platform_device_alloc("twl4030_gpio", -1); - if (!pdev) { - pr_debug("%s: can't alloc gpio dev\n", DRIVER_NAME); - status = -ENOMEM; - goto err; - } - - /* more driver model init */ - if (status == 0) { - pdev->dev.parent = &twl->client->dev; - /* device_init_wakeup(&pdev->dev, 1); */ - - status = platform_device_add_data(pdev, pdata->gpio, - sizeof(*pdata->gpio)); - if (status < 0) { - dev_dbg(&twl->client->dev, - "can't add gpio data, %d\n", - status); - goto err; - } - } +err: + if (status < 0) { + platform_device_put(pdev); + dev_err(&twl->client->dev, "can't add %s dev\n", name); + return ERR_PTR(status); + } + return &pdev->dev; +} - /* GPIO module IRQ */ - if (status == 0) { - struct resource r = { - .start = pdata->irq_base + 0, - .flags = IORESOURCE_IRQ, - }; +/* + * NOTE: We know the first 8 IRQs after pdata->base_irq are + * for the PIH, and the next are for the PWR_INT SIH, since + * that's how twl_init_irq() sets things up. + */ - status = platform_device_add_resources(pdev, &r, 1); - } +static int add_children(struct twl4030_platform_data *pdata) +{ + struct device *child; - if (status == 0) - status = platform_device_add(pdev); + if (twl_has_bci() && pdata->bci) { + child = add_child(3, "twl4030_bci", + pdata->bci, sizeof(*pdata->bci), + false, + /* irq0 = CHG_PRES, irq1 = BCI */ + pdata->irq_base + 8 + 1, pdata->irq_base + 2); + if (IS_ERR(child)) + return PTR_ERR(child); + } - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create gpio dev, %d\n", - status); - goto err; - } + if (twl_has_gpio() && pdata->gpio) { + child = add_child(1, "twl4030_gpio", + pdata->gpio, sizeof(*pdata->gpio), + false, pdata->irq_base + 0, 0); + if (IS_ERR(child)) + return PTR_ERR(child); } if (twl_has_keypad() && pdata->keypad) { - pdev = platform_device_alloc("twl4030_keypad", -1); - if (pdev) { - twl = &twl4030_modules[2]; - pdev->dev.parent = &twl->client->dev; - device_init_wakeup(&pdev->dev, 1); - status = platform_device_add_data(pdev, pdata->keypad, - sizeof(*pdata->keypad)); - if (status < 0) { - dev_dbg(&twl->client->dev, - "can't add keypad data, %d\n", - status); - platform_device_put(pdev); - goto err; - } - status = platform_device_add(pdev); - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create keypad dev, %d\n", - status); - goto err; - } - } else { - pr_debug("%s: can't alloc keypad dev\n", DRIVER_NAME); - status = -ENOMEM; - goto err; - } + child = add_child(2, "twl4030_keypad", + pdata->keypad, sizeof(*pdata->keypad), + true, pdata->irq_base + 1, 0); + if (IS_ERR(child)) + return PTR_ERR(child); } if (twl_has_madc() && pdata->madc) { - pdev = platform_device_alloc("twl4030_madc", -1); - if (pdev) { - twl = &twl4030_modules[2]; - pdev->dev.parent = &twl->client->dev; - device_init_wakeup(&pdev->dev, 1); - status = platform_device_add_data(pdev, pdata->madc, - sizeof(*pdata->madc)); - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't add madc data, %d\n", - status); - goto err; - } - status = platform_device_add(pdev); - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create madc dev, %d\n", - status); - goto err; - } - } else { - pr_debug("%s: can't alloc madc dev\n", DRIVER_NAME); - status = -ENOMEM; - goto err; - } + child = add_child(2, "twl4030_madc", + pdata->madc, sizeof(*pdata->madc), + true, pdata->irq_base + 3, 0); + if (IS_ERR(child)) + return PTR_ERR(child); } if (twl_has_rtc()) { - twl = &twl4030_modules[3]; - - pdev = platform_device_alloc("twl4030_rtc", -1); - if (!pdev) { - pr_debug("%s: can't alloc rtc dev\n", DRIVER_NAME); - status = -ENOMEM; - } else { - pdev->dev.parent = &twl->client->dev; - device_init_wakeup(&pdev->dev, 1); - } - /* - * REVISIT platform_data here currently might use of + * REVISIT platform_data here currently might expose the * "msecure" line ... but for now we just expect board - * setup to tell the chip "we are secure" at all times. + * setup to tell the chip "it's always ok to SET_TIME". * Eventually, Linux might become more aware of such * HW security concerns, and "least privilege". */ - - /* RTC module IRQ */ - if (status == 0) { - struct resource r = { - .start = pdata->irq_base + 8 + 3, - .flags = IORESOURCE_IRQ, - }; - - status = platform_device_add_resources(pdev, &r, 1); - } - - if (status == 0) - status = platform_device_add(pdev); - - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create rtc dev, %d\n", - status); - goto err; - } + child = add_child(3, "twl4030_rtc", + NULL, 0, + true, pdata->irq_base + 8 + 3, 0); + if (IS_ERR(child)) + return PTR_ERR(child); } if (twl_has_usb() && pdata->usb) { - twl = &twl4030_modules[0]; - - pdev = platform_device_alloc("twl4030_usb", -1); - if (!pdev) { - pr_debug("%s: can't alloc usb dev\n", DRIVER_NAME); - status = -ENOMEM; - goto err; - } - - if (status == 0) { - pdev->dev.parent = &twl->client->dev; - device_init_wakeup(&pdev->dev, 1); - status = platform_device_add_data(pdev, pdata->usb, - sizeof(*pdata->usb)); - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't add usb data, %d\n", - status); - goto err; - } - } - - if (status == 0) { - struct resource r = { - .start = pdata->irq_base + 8 + 2, - .flags = IORESOURCE_IRQ, - }; - - status = platform_device_add_resources(pdev, &r, 1); - } - - if (status == 0) - status = platform_device_add(pdev); - - if (status < 0) { - platform_device_put(pdev); - dev_dbg(&twl->client->dev, - "can't create usb dev, %d\n", - status); - } + child = add_child(0, "twl4030_usb", + pdata->usb, sizeof(*pdata->usb), + true, + /* irq0 = USB_PRES, irq1 = USB */ + pdata->irq_base + 8 + 2, pdata->irq_base + 4); + if (IS_ERR(child)) + return PTR_ERR(child); } -err: - if (status) - pr_err("failed to add twl4030's children (status %d)\n", status); - return status; + return 0; } /*----------------------------------------------------------------------*/ -- cgit v0.10.2 From 67460a7c26271fd7a32e5d51b2c806a84ce78a62 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 1 Dec 2008 00:35:33 +0100 Subject: mfd: twl4030: cleanup symbols and OMAP dependency Finish removing dependency of TWL driver stack on platform-specific IRQ definitions ... and remove the build dependency on OMAP. This lets the TWL4030 code be included in test builds for most platforms, and will make it easier for non-OMAP folk to update most of this code for new APIs etc. Signed-off-by: David Brownell Signed-off-by: Tony Lindgren Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 2572773..8cd3dd9 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -63,7 +63,7 @@ config UCB1400_CORE config TWL4030_CORE bool "Texas Instruments TWL4030/TPS659x0 Support" - depends on I2C=y && GENERIC_HARDIRQS && (ARCH_OMAP2 || ARCH_OMAP3) + depends on I2C=y && GENERIC_HARDIRQS help Say yes here if you have TWL4030 family chip on your board. This core driver provides register access and IRQ handling diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h index ae25c90..d484669 100644 --- a/include/linux/i2c/twl4030.h +++ b/include/linux/i2c/twl4030.h @@ -285,33 +285,6 @@ struct twl4030_platform_data { int twl4030_sih_setup(int module); -/* - * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the - * IRQ data to subsidiary devices using platform device resources. - */ - -/* IRQ information-need base */ -#include -/* TWL4030 interrupts */ - -/* #define TWL4030_MODIRQ_GPIO (TWL4030_IRQ_BASE + 0) */ -#define TWL4030_MODIRQ_KEYPAD (TWL4030_IRQ_BASE + 1) -#define TWL4030_MODIRQ_BCI (TWL4030_IRQ_BASE + 2) -#define TWL4030_MODIRQ_MADC (TWL4030_IRQ_BASE + 3) -/* #define TWL4030_MODIRQ_USB (TWL4030_IRQ_BASE + 4) */ -/* #define TWL4030_MODIRQ_PWR (TWL4030_IRQ_BASE + 5) */ - -#define TWL4030_PWRIRQ_PWRBTN (TWL4030_PWR_IRQ_BASE + 0) -/* #define TWL4030_PWRIRQ_CHG_PRES (TWL4030_PWR_IRQ_BASE + 1) */ -/* #define TWL4030_PWRIRQ_USB_PRES (TWL4030_PWR_IRQ_BASE + 2) */ -/* #define TWL4030_PWRIRQ_RTC (TWL4030_PWR_IRQ_BASE + 3) */ -/* #define TWL4030_PWRIRQ_HOT_DIE (TWL4030_PWR_IRQ_BASE + 4) */ -/* #define TWL4030_PWRIRQ_PWROK_TIMEOUT (TWL4030_PWR_IRQ_BASE + 5) */ -/* #define TWL4030_PWRIRQ_MBCHG (TWL4030_PWR_IRQ_BASE + 6) */ -/* #define TWL4030_PWRIRQ_SC_DETECT (TWL4030_PWR_IRQ_BASE + 7) */ - -/* Rest are unsued currently*/ - /* Offsets to Power Registers */ #define TWL4030_VDAC_DEV_GRP 0x3B #define TWL4030_VDAC_DEDICATED 0x3E @@ -322,10 +295,6 @@ int twl4030_sih_setup(int module); #define TWL4030_VAUX3_DEV_GRP 0x1F #define TWL4030_VAUX3_DEDICATED 0x22 -/* TWL4030 GPIO interrupt definitions */ - -#define TWL4030_GPIO_IRQ_NO(n) (TWL4030_GPIO_IRQ_BASE + (n)) - /* * Exported TWL4030 GPIO APIs * -- cgit v0.10.2 From dad759ff8ba79927766e3f0159bfc5fb6de0f982 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 1 Dec 2008 00:43:58 +0100 Subject: mfd: twl4030: create some regulator devices Initial code to create twl4030 voltage regulator devices, using the new regulator framework. Note that this now starts to care what name is used to declare the TWL chip: - TWL4030 is the "old" chip; newer ones have a bigger variety of VAUX2 voltages. - TWL5030 is the core "new" chip; TPS65950 is its catalog version. - The TPS65930 and TPS65920 are cost-reduced catalog versions of TWL5030 parts ... fewer regulators, no battery charger, etc. Board-specific regulator configuration should be provided, listing which regulators are used and their constraints (e.g. 1.8V only). Code that could ("should"?) leverage the regulator stuff includes TWL4030 USB transceiver support and MMC glue, LCD support for the 3430SDP and Labrador boards, and S-Video output. Signed-off-by: David Brownell Signed-off-by: Tony Lindgren Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c index f5486cc..8ab9ee8 100644 --- a/drivers/mfd/twl4030-core.c +++ b/drivers/mfd/twl4030-core.c @@ -33,6 +33,8 @@ #include #include +#include + #include #include @@ -71,6 +73,13 @@ #define twl_has_gpio() false #endif +#if defined(CONFIG_REGULATOR_TWL4030) \ + || defined(CONFIG_REGULATOR_TWL4030_MODULE) +#define twl_has_regulator() true +#else +#define twl_has_regulator() false +#endif + #if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE) #define twl_has_madc() true #else @@ -149,6 +158,10 @@ #define HIGH_PERF_SQ (1 << 3) +/* chip-specific feature flags, for i2c_device_id.driver_data */ +#define TWL4030_VAUX2 BIT(0) /* pre-5030 voltage ranges */ +#define TPS_SUBSET BIT(1) /* tps659[23]0 have fewer LDOs */ + /*----------------------------------------------------------------------*/ /* is driver active, bound to a chip? */ @@ -352,7 +365,8 @@ EXPORT_SYMBOL(twl4030_i2c_read_u8); /*----------------------------------------------------------------------*/ -static struct device *add_child(unsigned chip, const char *name, +static struct device * +add_numbered_child(unsigned chip, const char *name, int num, void *pdata, unsigned pdata_len, bool can_wakeup, int irq0, int irq1) { @@ -360,7 +374,7 @@ static struct device *add_child(unsigned chip, const char *name, struct twl4030_client *twl = &twl4030_modules[chip]; int status; - pdev = platform_device_alloc(name, -1); + pdev = platform_device_alloc(name, num); if (!pdev) { dev_dbg(&twl->client->dev, "can't alloc dev\n"); status = -ENOMEM; @@ -402,17 +416,52 @@ err: return &pdev->dev; } +static inline struct device *add_child(unsigned chip, const char *name, + void *pdata, unsigned pdata_len, + bool can_wakeup, int irq0, int irq1) +{ + return add_numbered_child(chip, name, -1, pdata, pdata_len, + can_wakeup, irq0, irq1); +} + +static struct device * +add_regulator_linked(int num, struct regulator_init_data *pdata, + struct regulator_consumer_supply *consumers, + unsigned num_consumers) +{ + /* regulator framework demands init_data ... */ + if (!pdata) + return NULL; + + if (consumers && !pdata->consumer_supplies) { + pdata->consumer_supplies = consumers; + pdata->num_consumer_supplies = num_consumers; + } + + /* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */ + return add_numbered_child(3, "twl4030_reg", num, + pdata, sizeof(*pdata), false, 0, 0); +} + +static struct device * +add_regulator(int num, struct regulator_init_data *pdata) +{ + return add_regulator_linked(num, pdata, NULL, 0); +} + /* * NOTE: We know the first 8 IRQs after pdata->base_irq are * for the PIH, and the next are for the PWR_INT SIH, since * that's how twl_init_irq() sets things up. */ -static int add_children(struct twl4030_platform_data *pdata) +static int +add_children(struct twl4030_platform_data *pdata, unsigned long features) { struct device *child; + struct device *usb_transceiver = NULL; - if (twl_has_bci() && pdata->bci) { + if (twl_has_bci() && pdata->bci && !(features & TPS_SUBSET)) { child = add_child(3, "twl4030_bci", pdata->bci, sizeof(*pdata->bci), false, @@ -469,6 +518,111 @@ static int add_children(struct twl4030_platform_data *pdata) pdata->irq_base + 8 + 2, pdata->irq_base + 4); if (IS_ERR(child)) return PTR_ERR(child); + + /* we need to connect regulators to this transceiver */ + usb_transceiver = child; + } + + if (twl_has_regulator()) { + /* + child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1); + if (IS_ERR(child)) + return PTR_ERR(child); + */ + + child = add_regulator(TWL4030_REG_VMMC1, pdata->vmmc1); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator(TWL4030_REG_VDAC, pdata->vdac); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator((features & TWL4030_VAUX2) + ? TWL4030_REG_VAUX2_4030 + : TWL4030_REG_VAUX2, + pdata->vaux2); + if (IS_ERR(child)) + return PTR_ERR(child); + } + + if (twl_has_regulator() && usb_transceiver) { + static struct regulator_consumer_supply usb1v5 = { + .supply = "usb1v5", + }; + static struct regulator_consumer_supply usb1v8 = { + .supply = "usb1v8", + }; + static struct regulator_consumer_supply usb3v1 = { + .supply = "usb3v1", + }; + static struct regulator_consumer_supply usbcp = { + .supply = "usbcp", + }; + + /* this is a template that gets copied */ + struct regulator_init_data usb_fixed = { + .constraints.valid_modes_mask = + REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .constraints.valid_ops_mask = + REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }; + + usb1v5.dev = usb_transceiver; + usb1v8.dev = usb_transceiver; + usb3v1.dev = usb_transceiver; + usbcp.dev = usb_transceiver; + + child = add_regulator_linked(TWL4030_REG_VUSB1V5, &usb_fixed, + &usb1v5, 1); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator_linked(TWL4030_REG_VUSB1V8, &usb_fixed, + &usb1v8, 1); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator_linked(TWL4030_REG_VUSB3V1, &usb_fixed, + &usb3v1, 1); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator_linked(TWL4030_REG_VUSBCP, &usb_fixed, + &usbcp, 1); + if (IS_ERR(child)) + return PTR_ERR(child); + } + + /* maybe add LDOs that are omitted on cost-reduced parts */ + if (twl_has_regulator() && !(features & TPS_SUBSET)) { + /* + child = add_regulator(TWL4030_REG_VPLL2, pdata->vpll2); + if (IS_ERR(child)) + return PTR_ERR(child); + */ + + child = add_regulator(TWL4030_REG_VMMC2, pdata->vmmc2); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator(TWL4030_REG_VSIM, pdata->vsim); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator(TWL4030_REG_VAUX1, pdata->vaux1); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator(TWL4030_REG_VAUX3, pdata->vaux3); + if (IS_ERR(child)) + return PTR_ERR(child); + + child = add_regulator(TWL4030_REG_VAUX4, pdata->vaux4); + if (IS_ERR(child)) + return PTR_ERR(child); } return 0; @@ -632,7 +786,7 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id) goto fail; } - status = add_children(pdata); + status = add_children(pdata, id->driver_data); fail: if (status < 0) twl4030_remove(client); @@ -640,11 +794,11 @@ fail: } static const struct i2c_device_id twl4030_ids[] = { - { "twl4030", 0 }, /* "Triton 2" */ - { "tps65950", 0 }, /* catalog version of twl4030 */ - { "tps65930", 0 }, /* fewer LDOs and DACs; no charger */ - { "tps65920", 0 }, /* fewer LDOs; no codec or charger */ - { "twl5030", 0 }, /* T2 updated */ + { "twl4030", TWL4030_VAUX2 }, /* "Triton 2" */ + { "twl5030", 0 }, /* T2 updated */ + { "tps65950", 0 }, /* catalog version of twl5030 */ + { "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */ + { "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */ { /* end of list */ }, }; MODULE_DEVICE_TABLE(i2c, twl4030_ids); diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h index d484669..e06555d 100644 --- a/include/linux/i2c/twl4030.h +++ b/include/linux/i2c/twl4030.h @@ -278,6 +278,18 @@ struct twl4030_platform_data { struct twl4030_keypad_data *keypad; struct twl4030_usb_data *usb; + /* LDO regulators */ + struct regulator_init_data *vdac; + struct regulator_init_data *vpll1; + struct regulator_init_data *vpll2; + struct regulator_init_data *vmmc1; + struct regulator_init_data *vmmc2; + struct regulator_init_data *vsim; + struct regulator_init_data *vaux1; + struct regulator_init_data *vaux2; + struct regulator_init_data *vaux3; + struct regulator_init_data *vaux4; + /* REVISIT more to come ... _nothing_ should be hard-wired */ }; @@ -309,4 +321,39 @@ int twl4030_set_gpio_debounce(int gpio, int enable); static inline int twl4030charger_usb_en(int enable) { return 0; } #endif +/*----------------------------------------------------------------------*/ + +/* Linux-specific regulator identifiers ... for now, we only support + * the LDOs, and leave the three buck converters alone. VDD1 and VDD2 + * need to tie into hardware based voltage scaling (cpufreq etc), while + * VIO is generally fixed. + */ + +/* EXTERNAL dc-to-dc buck converters */ +#define TWL4030_REG_VDD1 0 +#define TWL4030_REG_VDD2 1 +#define TWL4030_REG_VIO 2 + +/* EXTERNAL LDOs */ +#define TWL4030_REG_VDAC 3 +#define TWL4030_REG_VPLL1 4 +#define TWL4030_REG_VPLL2 5 /* not on all chips */ +#define TWL4030_REG_VMMC1 6 +#define TWL4030_REG_VMMC2 7 /* not on all chips */ +#define TWL4030_REG_VSIM 8 /* not on all chips */ +#define TWL4030_REG_VAUX1 9 /* not on all chips */ +#define TWL4030_REG_VAUX2_4030 10 /* (twl4030-specific) */ +#define TWL4030_REG_VAUX2 11 /* (twl5030 and newer) */ +#define TWL4030_REG_VAUX3 12 /* not on all chips */ +#define TWL4030_REG_VAUX4 13 /* not on all chips */ + +/* INTERNAL LDOs */ +#define TWL4030_REG_VINTANA1 14 +#define TWL4030_REG_VINTANA2 15 +#define TWL4030_REG_VINTDIG 16 +#define TWL4030_REG_VUSB1V5 17 +#define TWL4030_REG_VUSB1V8 18 +#define TWL4030_REG_VUSB3V1 19 +#define TWL4030_REG_VUSBCP 20 + #endif /* End of __TWL4030_H */ -- cgit v0.10.2 From b73eac7871d002835be17d4602cced2c15c0db4b Mon Sep 17 00:00:00 2001 From: David Brownell Date: Sun, 7 Dec 2008 19:10:58 +0100 Subject: mfd: twl4030 regulator bug fixes This contains two bugfixes to the initial twl4030 regulator support patch related to USB: (a) always overwrite the old list of consumers ... else the regulator handles all use the same "usb1v5" name; (b) don't set up the "usbcp" regulator, which turns out to be managed through separate controls, usually ULPI directly from the OTG controller. Signed-off-by: David Brownell Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c index 8ab9ee8..fdfbd31 100644 --- a/drivers/mfd/twl4030-core.c +++ b/drivers/mfd/twl4030-core.c @@ -433,7 +433,7 @@ add_regulator_linked(int num, struct regulator_init_data *pdata, if (!pdata) return NULL; - if (consumers && !pdata->consumer_supplies) { + if (consumers) { pdata->consumer_supplies = consumers; pdata->num_consumer_supplies = num_consumers; } @@ -556,9 +556,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) static struct regulator_consumer_supply usb3v1 = { .supply = "usb3v1", }; - static struct regulator_consumer_supply usbcp = { - .supply = "usbcp", - }; /* this is a template that gets copied */ struct regulator_init_data usb_fixed = { @@ -573,7 +570,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) usb1v5.dev = usb_transceiver; usb1v8.dev = usb_transceiver; usb3v1.dev = usb_transceiver; - usbcp.dev = usb_transceiver; child = add_regulator_linked(TWL4030_REG_VUSB1V5, &usb_fixed, &usb1v5, 1); @@ -589,11 +585,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features) &usb3v1, 1); if (IS_ERR(child)) return PTR_ERR(child); - - child = add_regulator_linked(TWL4030_REG_VUSBCP, &usb_fixed, - &usbcp, 1); - if (IS_ERR(child)) - return PTR_ERR(child); } /* maybe add LDOs that are omitted on cost-reduced parts */ diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h index e06555d..a8f84c0 100644 --- a/include/linux/i2c/twl4030.h +++ b/include/linux/i2c/twl4030.h @@ -354,6 +354,5 @@ int twl4030_set_gpio_debounce(int gpio, int enable); #define TWL4030_REG_VUSB1V5 17 #define TWL4030_REG_VUSB1V8 18 #define TWL4030_REG_VUSB3V1 19 -#define TWL4030_REG_VUSBCP 20 #endif /* End of __TWL4030_H */ -- cgit v0.10.2 From 6354ab5c63bc986bf539026a1b289cc142f6e87c Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Sun, 7 Dec 2008 20:50:25 +0100 Subject: mfd: Fix twl4030-core.c build error This is a fix for: twl4030-core.c:(.text+0x16a797): undefined reference to `clk_get_rate' twl4030-core.c:(.text+0x16a797): undefined reference to `clk_put' on x86 and x86_64, as the clock API is not defined on those platforms. Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c index fdfbd31..b59c385 100644 --- a/drivers/mfd/twl4030-core.c +++ b/drivers/mfd/twl4030-core.c @@ -658,12 +658,7 @@ static void __init clocks_init(void) osc = clk_get(NULL, "osc_ck"); else osc = clk_get(NULL, "osc_sys_ck"); -#else - /* REVISIT for non-OMAP systems, pass the clock rate from - * board init code, using platform_data. - */ - osc = ERR_PTR(-EIO); -#endif + if (IS_ERR(osc)) { printk(KERN_WARNING "Skipping twl4030 internal clock init and " "using bootloader value (unknown osc rate)\n"); @@ -673,6 +668,18 @@ static void __init clocks_init(void) rate = clk_get_rate(osc); clk_put(osc); +#else + /* REVISIT for non-OMAP systems, pass the clock rate from + * board init code, using platform_data. + */ + osc = ERR_PTR(-EIO); + + printk(KERN_WARNING "Skipping twl4030 internal clock init and " + "using bootloader value (unknown osc rate)\n"); + + return; +#endif + switch (rate) { case 19200000: ctrl = HFCLK_FREQ_19p2_MHZ; -- cgit v0.10.2 From 44faac3155247d9cb9aec5a53832014e1f807c78 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 10:54:12 +0100 Subject: mfd: Pass driver_data onto child devices The MFD cell structure provides a driver_data field but doesn't pass it on to the child devices when instantiating them - do that. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 6c0d1be..54ddf37 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -34,6 +34,7 @@ static int mfd_add_device(struct device *parent, int id, goto fail_device; pdev->dev.parent = parent; + platform_set_drvdata(pdev, cell->driver_data); ret = platform_device_add_data(pdev, cell->platform_data, cell->data_size); -- cgit v0.10.2 From b8380c1a661f1f853418ff2eb798f27a11cade57 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 10:54:22 +0100 Subject: mfd: Register WM8400 codec device Register a child device for the codec in the WM8400. Also switch the unregistration of the MFD devices to use the MFD core since the current code is hand rolling the same thing. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 8cd3dd9..ddfb12b 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -116,6 +116,7 @@ config PMIC_DA903X config MFD_WM8400 tristate "Support Wolfson Microelectronics WM8400" + select MFD_CORE depends on I2C help Support for the Wolfson Microelecronics WM8400 PMIC and audio diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 6a0cedb..cf30d06 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -239,6 +240,16 @@ void wm8400_reset_codec_reg_cache(struct wm8400 *wm8400) } EXPORT_SYMBOL_GPL(wm8400_reset_codec_reg_cache); +static int wm8400_register_codec(struct wm8400 *wm8400) +{ + struct mfd_cell cell = { + .name = "wm8400-codec", + .driver_data = wm8400, + }; + + return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0); +} + /* * wm8400_init - Generic initialisation * @@ -296,24 +307,32 @@ static int wm8400_init(struct wm8400 *wm8400, reg = (reg & WM8400_CHIP_REV_MASK) >> WM8400_CHIP_REV_SHIFT; dev_info(wm8400->dev, "WM8400 revision %x\n", reg); + ret = wm8400_register_codec(wm8400); + if (ret != 0) { + dev_err(wm8400->dev, "Failed to register codec\n"); + goto err_children; + } + if (pdata && pdata->platform_init) { ret = pdata->platform_init(wm8400->dev); - if (ret != 0) + if (ret != 0) { dev_err(wm8400->dev, "Platform init failed: %d\n", ret); + goto err_children; + } } else dev_warn(wm8400->dev, "No platform initialisation supplied\n"); + return 0; + +err_children: + mfd_remove_devices(wm8400->dev); return ret; } static void wm8400_release(struct wm8400 *wm8400) { - int i; - - for (i = 0; i < ARRAY_SIZE(wm8400->regulators); i++) - if (wm8400->regulators[i].name) - platform_device_unregister(&wm8400->regulators[i]); + mfd_remove_devices(wm8400->dev); } #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -- cgit v0.10.2 From 856f6fd119411d5701d5db96e1aae1dd69923887 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Thu, 18 Dec 2008 10:54:27 +0100 Subject: mfd: Dialog DA9030 battery charger MFD driver This patch amends DA903x MFD driver with definitions and methods needed for battery charger driver. Signed-off-by: Mike Rapoport Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index 0b5bd85..fcaf1f6 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -151,12 +151,24 @@ int da903x_write(struct device *dev, int reg, uint8_t val) } EXPORT_SYMBOL_GPL(da903x_write); +int da903x_writes(struct device *dev, int reg, int len, uint8_t *val) +{ + return __da903x_writes(to_i2c_client(dev), reg, len, val); +} +EXPORT_SYMBOL_GPL(da903x_writes); + int da903x_read(struct device *dev, int reg, uint8_t *val) { return __da903x_read(to_i2c_client(dev), reg, val); } EXPORT_SYMBOL_GPL(da903x_read); +int da903x_reads(struct device *dev, int reg, int len, uint8_t *val) +{ + return __da903x_reads(to_i2c_client(dev), reg, len, val); +} +EXPORT_SYMBOL_GPL(da903x_reads); + int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask) { struct da903x_chip *chip = dev_get_drvdata(dev); diff --git a/include/linux/mfd/da903x.h b/include/linux/mfd/da903x.h index cad314c..115dbe9 100644 --- a/include/linux/mfd/da903x.h +++ b/include/linux/mfd/da903x.h @@ -32,6 +32,7 @@ enum { DA9030_ID_LDO18, DA9030_ID_LDO19, DA9030_ID_LDO_INT, /* LDO Internal */ + DA9030_ID_BAT, /* battery charger */ DA9034_ID_LED_1, DA9034_ID_LED_2, @@ -93,6 +94,43 @@ struct da9034_touch_pdata { int y_inverted; }; +/* DA9030 battery charger data */ +struct power_supply_info; + +struct da9030_battery_info { + /* battery parameters */ + struct power_supply_info *battery_info; + + /* current and voltage to use for battery charging */ + unsigned int charge_milliamp; + unsigned int charge_millivolt; + + /* voltage thresholds (in millivolts) */ + int vbat_low; + int vbat_crit; + int vbat_charge_start; + int vbat_charge_stop; + int vbat_charge_restart; + + /* battery nominal minimal and maximal voltages in millivolts */ + int vcharge_min; + int vcharge_max; + + /* Temperature thresholds. These are DA9030 register values + "as is" and should be measured for each battery type */ + int tbat_low; + int tbat_high; + int tbat_restart; + + + /* battery monitor interval (seconds) */ + unsigned int batmon_interval; + + /* platform callbacks for battery low and critical events */ + void (*battery_low)(void); + void (*battery_critical)(void); +}; + struct da903x_subdev_info { int id; const char *name; @@ -190,11 +228,13 @@ extern int da903x_unregister_notifier(struct device *dev, extern int da903x_query_status(struct device *dev, unsigned int status); -/* NOTE: the two functions below are not intended for use outside - * of the DA9034 sub-device drivers +/* NOTE: the functions below are not intended for use outside + * of the DA903x sub-device drivers */ extern int da903x_write(struct device *dev, int reg, uint8_t val); +extern int da903x_writes(struct device *dev, int reg, int len, uint8_t *val); extern int da903x_read(struct device *dev, int reg, uint8_t *val); +extern int da903x_reads(struct device *dev, int reg, int len, uint8_t *val); extern int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask); extern int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask); extern int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask); -- cgit v0.10.2 From 342d765e011f9cbe4292119a9164f76ccf0b922a Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Tue, 30 Dec 2008 22:44:53 +0100 Subject: power_supply: Add Dialog DA9030 battery charger driver Driver for battery charger integrated into Dialog Semiconductor DA9030 PMIC Signed-off-by: Mike Rapoport Acked-by: Anton Vorontsov Signed-off-by: Samuel Ortiz diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 52f8676..6684724 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -75,4 +75,11 @@ config BATTERY_BQ27x00 help Say Y here to enable support for batteries with BQ27200(I2C) chip. +config BATTERY_DA9030 + tristate "DA9030 battery driver" + depends on PMIC_DA903X + help + Say Y here to enable support for batteries charger integrated into + DA9030 PMIC. + endif # POWER_SUPPLY diff --git a/drivers/power/Makefile b/drivers/power/Makefile index e6f6865..eebb155 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -24,3 +24,4 @@ obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o obj-$(CONFIG_BATTERY_BQ27x00) += bq27x00_battery.o +obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o diff --git a/drivers/power/da9030_battery.c b/drivers/power/da9030_battery.c new file mode 100644 index 0000000..1662bb0 --- /dev/null +++ b/drivers/power/da9030_battery.c @@ -0,0 +1,600 @@ +/* + * Battery charger driver for Dialog Semiconductor DA9030 + * + * Copyright (C) 2008 Compulab, Ltd. + * Mike Rapoport + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define DA9030_STATUS_CHDET (1 << 3) + +#define DA9030_FAULT_LOG 0x0a +#define DA9030_FAULT_LOG_OVER_TEMP (1 << 7) +#define DA9030_FAULT_LOG_VBAT_OVER (1 << 4) + +#define DA9030_CHARGE_CONTROL 0x28 +#define DA9030_CHRG_CHARGER_ENABLE (1 << 7) + +#define DA9030_ADC_MAN_CONTROL 0x30 +#define DA9030_ADC_TBATREF_ENABLE (1 << 5) +#define DA9030_ADC_LDO_INT_ENABLE (1 << 4) + +#define DA9030_ADC_AUTO_CONTROL 0x31 +#define DA9030_ADC_TBAT_ENABLE (1 << 5) +#define DA9030_ADC_VBAT_IN_TXON (1 << 4) +#define DA9030_ADC_VCH_ENABLE (1 << 3) +#define DA9030_ADC_ICH_ENABLE (1 << 2) +#define DA9030_ADC_VBAT_ENABLE (1 << 1) +#define DA9030_ADC_AUTO_SLEEP_ENABLE (1 << 0) + +#define DA9030_VBATMON 0x32 +#define DA9030_VBATMONTXON 0x33 +#define DA9030_TBATHIGHP 0x34 +#define DA9030_TBATHIGHN 0x35 +#define DA9030_TBATLOW 0x36 + +#define DA9030_VBAT_RES 0x41 +#define DA9030_VBATMIN_RES 0x42 +#define DA9030_VBATMINTXON_RES 0x43 +#define DA9030_ICHMAX_RES 0x44 +#define DA9030_ICHMIN_RES 0x45 +#define DA9030_ICHAVERAGE_RES 0x46 +#define DA9030_VCHMAX_RES 0x47 +#define DA9030_VCHMIN_RES 0x48 +#define DA9030_TBAT_RES 0x49 + +struct da9030_adc_res { + uint8_t vbat_res; + uint8_t vbatmin_res; + uint8_t vbatmintxon; + uint8_t ichmax_res; + uint8_t ichmin_res; + uint8_t ichaverage_res; + uint8_t vchmax_res; + uint8_t vchmin_res; + uint8_t tbat_res; + uint8_t adc_in4_res; + uint8_t adc_in5_res; +}; + +struct da9030_battery_thresholds { + int tbat_low; + int tbat_high; + int tbat_restart; + + int vbat_low; + int vbat_crit; + int vbat_charge_start; + int vbat_charge_stop; + int vbat_charge_restart; + + int vcharge_min; + int vcharge_max; +}; + +struct da9030_charger { + struct power_supply psy; + + struct device *master; + + struct da9030_adc_res adc; + struct delayed_work work; + unsigned int interval; + + struct power_supply_info *battery_info; + + struct da9030_battery_thresholds thresholds; + + unsigned int charge_milliamp; + unsigned int charge_millivolt; + + /* charger status */ + bool chdet; + uint8_t fault; + int mA; + int mV; + bool is_on; + + struct notifier_block nb; + + /* platform callbacks for battery low and critical events */ + void (*battery_low)(void); + void (*battery_critical)(void); + + struct dentry *debug_file; +}; + +static inline int da9030_reg_to_mV(int reg) +{ + return ((reg * 2650) >> 8) + 2650; +} + +static inline int da9030_millivolt_to_reg(int mV) +{ + return ((mV - 2650) << 8) / 2650; +} + +static inline int da9030_reg_to_mA(int reg) +{ + return ((reg * 24000) >> 8) / 15; +} + +#ifdef CONFIG_DEBUG_FS +static int bat_debug_show(struct seq_file *s, void *data) +{ + struct da9030_charger *charger = s->private; + + seq_printf(s, "charger is %s\n", charger->is_on ? "on" : "off"); + if (charger->chdet) { + seq_printf(s, "iset = %dmA, vset = %dmV\n", + charger->mA, charger->mV); + } + + seq_printf(s, "vbat_res = %d (%dmV)\n", + charger->adc.vbat_res, + da9030_reg_to_mV(charger->adc.vbat_res)); + seq_printf(s, "vbatmin_res = %d (%dmV)\n", + charger->adc.vbatmin_res, + da9030_reg_to_mV(charger->adc.vbatmin_res)); + seq_printf(s, "vbatmintxon = %d (%dmV)\n", + charger->adc.vbatmintxon, + da9030_reg_to_mV(charger->adc.vbatmintxon)); + seq_printf(s, "ichmax_res = %d (%dmA)\n", + charger->adc.ichmax_res, + da9030_reg_to_mV(charger->adc.ichmax_res)); + seq_printf(s, "ichmin_res = %d (%dmA)\n", + charger->adc.ichmin_res, + da9030_reg_to_mA(charger->adc.ichmin_res)); + seq_printf(s, "ichaverage_res = %d (%dmA)\n", + charger->adc.ichaverage_res, + da9030_reg_to_mA(charger->adc.ichaverage_res)); + seq_printf(s, "vchmax_res = %d (%dmV)\n", + charger->adc.vchmax_res, + da9030_reg_to_mA(charger->adc.vchmax_res)); + seq_printf(s, "vchmin_res = %d (%dmV)\n", + charger->adc.vchmin_res, + da9030_reg_to_mV(charger->adc.vchmin_res)); + + return 0; +} + +static int debug_open(struct inode *inode, struct file *file) +{ + return single_open(file, bat_debug_show, inode->i_private); +} + +static const struct file_operations bat_debug_fops = { + .open = debug_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static struct dentry *da9030_bat_create_debugfs(struct da9030_charger *charger) +{ + charger->debug_file = debugfs_create_file("charger", 0666, 0, charger, + &bat_debug_fops); + return charger->debug_file; +} + +static void da9030_bat_remove_debugfs(struct da9030_charger *charger) +{ + debugfs_remove(charger->debug_file); +} +#else +static inline struct dentry *da9030_bat_create_debugfs(struct da9030_charger *charger) +{ + return NULL; +} +static inline void da9030_bat_remove_debugfs(struct da9030_charger *charger) +{ +} +#endif + +static inline void da9030_read_adc(struct da9030_charger *charger, + struct da9030_adc_res *adc) +{ + da903x_reads(charger->master, DA9030_VBAT_RES, + sizeof(*adc), (uint8_t *)adc); +} + +static void da9030_charger_update_state(struct da9030_charger *charger) +{ + uint8_t val; + + da903x_read(charger->master, DA9030_CHARGE_CONTROL, &val); + charger->is_on = (val & DA9030_CHRG_CHARGER_ENABLE) ? 1 : 0; + charger->mA = ((val >> 3) & 0xf) * 100; + charger->mV = (val & 0x7) * 50 + 4000; + + da9030_read_adc(charger, &charger->adc); + da903x_read(charger->master, DA9030_FAULT_LOG, &charger->fault); + charger->chdet = da903x_query_status(charger->master, + DA9030_STATUS_CHDET); +} + +static void da9030_set_charge(struct da9030_charger *charger, int on) +{ + uint8_t val; + + if (on) { + val = DA9030_CHRG_CHARGER_ENABLE; + val |= (charger->charge_milliamp / 100) << 3; + val |= (charger->charge_millivolt - 4000) / 50; + charger->is_on = 1; + } else { + val = 0; + charger->is_on = 0; + } + + da903x_write(charger->master, DA9030_CHARGE_CONTROL, val); +} + +static void da9030_charger_check_state(struct da9030_charger *charger) +{ + da9030_charger_update_state(charger); + + /* we wake or boot with external power on */ + if (!charger->is_on) { + if ((charger->chdet) && + (charger->adc.vbat_res < + charger->thresholds.vbat_charge_start)) { + da9030_set_charge(charger, 1); + } + } else { + if (charger->adc.vbat_res >= + charger->thresholds.vbat_charge_stop) { + da9030_set_charge(charger, 0); + da903x_write(charger->master, DA9030_VBATMON, + charger->thresholds.vbat_charge_restart); + } else if (charger->adc.vbat_res > + charger->thresholds.vbat_low) { + /* we are charging and passed LOW_THRESH, + so upate DA9030 VBAT threshold + */ + da903x_write(charger->master, DA9030_VBATMON, + charger->thresholds.vbat_low); + } + if (charger->adc.vchmax_res > charger->thresholds.vcharge_max || + charger->adc.vchmin_res < charger->thresholds.vcharge_min || + /* Tempreture readings are negative */ + charger->adc.tbat_res < charger->thresholds.tbat_high || + charger->adc.tbat_res > charger->thresholds.tbat_low) { + /* disable charger */ + da9030_set_charge(charger, 0); + } + } +} + +static void da9030_charging_monitor(struct work_struct *work) +{ + struct da9030_charger *charger; + + charger = container_of(work, struct da9030_charger, work.work); + + da9030_charger_check_state(charger); + + /* reschedule for the next time */ + schedule_delayed_work(&charger->work, charger->interval); +} + +static enum power_supply_property da9030_battery_props[] = { + POWER_SUPPLY_PROP_MODEL_NAME, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_AVG, +}; + +static void da9030_battery_check_status(struct da9030_charger *charger, + union power_supply_propval *val) +{ + if (charger->chdet) { + if (charger->is_on) + val->intval = POWER_SUPPLY_STATUS_CHARGING; + else + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; + } else { + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + } +} + +static void da9030_battery_check_health(struct da9030_charger *charger, + union power_supply_propval *val) +{ + if (charger->fault & DA9030_FAULT_LOG_OVER_TEMP) + val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; + else if (charger->fault & DA9030_FAULT_LOG_VBAT_OVER) + val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; + else + val->intval = POWER_SUPPLY_HEALTH_GOOD; +} + +static int da9030_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct da9030_charger *charger; + charger = container_of(psy, struct da9030_charger, psy); + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + da9030_battery_check_status(charger, val); + break; + case POWER_SUPPLY_PROP_HEALTH: + da9030_battery_check_health(charger, val); + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = charger->battery_info->technology; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + val->intval = charger->battery_info->voltage_max_design; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = charger->battery_info->voltage_min_design; + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = da9030_reg_to_mV(charger->adc.vbat_res) * 1000; + break; + case POWER_SUPPLY_PROP_CURRENT_AVG: + val->intval = + da9030_reg_to_mA(charger->adc.ichaverage_res) * 1000; + break; + case POWER_SUPPLY_PROP_MODEL_NAME: + val->strval = charger->battery_info->name; + break; + default: + break; + } + + return 0; +} + +static void da9030_battery_vbat_event(struct da9030_charger *charger) +{ + da9030_read_adc(charger, &charger->adc); + + if (charger->is_on) + return; + + if (charger->adc.vbat_res < charger->thresholds.vbat_low) { + /* set VBAT threshold for critical */ + da903x_write(charger->master, DA9030_VBATMON, + charger->thresholds.vbat_crit); + if (charger->battery_low) + charger->battery_low(); + } else if (charger->adc.vbat_res < + charger->thresholds.vbat_crit) { + /* notify the system of battery critical */ + if (charger->battery_critical) + charger->battery_critical(); + } +} + +static int da9030_battery_event(struct notifier_block *nb, unsigned long event, + void *data) +{ + struct da9030_charger *charger = + container_of(nb, struct da9030_charger, nb); + int status; + + switch (event) { + case DA9030_EVENT_CHDET: + status = da903x_query_status(charger->master, + DA9030_STATUS_CHDET); + da9030_set_charge(charger, status); + break; + case DA9030_EVENT_VBATMON: + da9030_battery_vbat_event(charger); + break; + case DA9030_EVENT_CHIOVER: + case DA9030_EVENT_TBAT: + da9030_set_charge(charger, 0); + break; + } + + return 0; +} + +static void da9030_battery_convert_thresholds(struct da9030_charger *charger, + struct da9030_battery_info *pdata) +{ + charger->thresholds.tbat_low = pdata->tbat_low; + charger->thresholds.tbat_high = pdata->tbat_high; + charger->thresholds.tbat_restart = pdata->tbat_restart; + + charger->thresholds.vbat_low = + da9030_millivolt_to_reg(pdata->vbat_low); + charger->thresholds.vbat_crit = + da9030_millivolt_to_reg(pdata->vbat_crit); + charger->thresholds.vbat_charge_start = + da9030_millivolt_to_reg(pdata->vbat_charge_start); + charger->thresholds.vbat_charge_stop = + da9030_millivolt_to_reg(pdata->vbat_charge_stop); + charger->thresholds.vbat_charge_restart = + da9030_millivolt_to_reg(pdata->vbat_charge_restart); + + charger->thresholds.vcharge_min = + da9030_millivolt_to_reg(pdata->vcharge_min); + charger->thresholds.vcharge_max = + da9030_millivolt_to_reg(pdata->vcharge_max); +} + +static void da9030_battery_setup_psy(struct da9030_charger *charger) +{ + struct power_supply *psy = &charger->psy; + struct power_supply_info *info = charger->battery_info; + + psy->name = info->name; + psy->use_for_apm = info->use_for_apm; + psy->type = POWER_SUPPLY_TYPE_BATTERY; + psy->get_property = da9030_battery_get_property; + + psy->properties = da9030_battery_props; + psy->num_properties = ARRAY_SIZE(da9030_battery_props); +}; + +static int da9030_battery_charger_init(struct da9030_charger *charger) +{ + char v[5]; + int ret; + + v[0] = v[1] = charger->thresholds.vbat_low; + v[2] = charger->thresholds.tbat_high; + v[3] = charger->thresholds.tbat_restart; + v[4] = charger->thresholds.tbat_low; + + ret = da903x_writes(charger->master, DA9030_VBATMON, 5, v); + if (ret) + return ret; + + /* + * Enable reference voltage supply for ADC from the LDO_INTERNAL + * regulator. Must be set before ADC measurements can be made. + */ + ret = da903x_write(charger->master, DA9030_ADC_MAN_CONTROL, + DA9030_ADC_LDO_INT_ENABLE | + DA9030_ADC_TBATREF_ENABLE); + if (ret) + return ret; + + /* enable auto ADC measuremnts */ + return da903x_write(charger->master, DA9030_ADC_AUTO_CONTROL, + DA9030_ADC_TBAT_ENABLE | DA9030_ADC_VBAT_IN_TXON | + DA9030_ADC_VCH_ENABLE | DA9030_ADC_ICH_ENABLE | + DA9030_ADC_VBAT_ENABLE | + DA9030_ADC_AUTO_SLEEP_ENABLE); +} + +static int da9030_battery_probe(struct platform_device *pdev) +{ + struct da9030_charger *charger; + struct da9030_battery_info *pdata = pdev->dev.platform_data; + int ret; + + if (pdata == NULL) + return -EINVAL; + + if (pdata->charge_milliamp >= 1500 || + pdata->charge_millivolt < 4000 || + pdata->charge_millivolt > 4350) + return -EINVAL; + + charger = kzalloc(sizeof(*charger), GFP_KERNEL); + if (charger == NULL) + return -ENOMEM; + + charger->master = pdev->dev.parent; + + /* 10 seconds between monotor runs unless platfrom defines other + interval */ + charger->interval = msecs_to_jiffies( + (pdata->batmon_interval ? : 10) * 1000); + + charger->charge_milliamp = pdata->charge_milliamp; + charger->charge_millivolt = pdata->charge_millivolt; + charger->battery_info = pdata->battery_info; + charger->battery_low = pdata->battery_low; + charger->battery_critical = pdata->battery_critical; + + da9030_battery_convert_thresholds(charger, pdata); + + ret = da9030_battery_charger_init(charger); + if (ret) + goto err_charger_init; + + INIT_DELAYED_WORK(&charger->work, da9030_charging_monitor); + schedule_delayed_work(&charger->work, charger->interval); + + charger->nb.notifier_call = da9030_battery_event; + ret = da903x_register_notifier(charger->master, &charger->nb, + DA9030_EVENT_CHDET | + DA9030_EVENT_VBATMON | + DA9030_EVENT_CHIOVER | + DA9030_EVENT_TBAT); + if (ret) + goto err_notifier; + + da9030_battery_setup_psy(charger); + ret = power_supply_register(&pdev->dev, &charger->psy); + if (ret) + goto err_ps_register; + + charger->debug_file = da9030_bat_create_debugfs(charger); + platform_set_drvdata(pdev, charger); + return 0; + +err_ps_register: + da903x_unregister_notifier(charger->master, &charger->nb, + DA9030_EVENT_CHDET | DA9030_EVENT_VBATMON | + DA9030_EVENT_CHIOVER | DA9030_EVENT_TBAT); +err_notifier: + cancel_delayed_work(&charger->work); + +err_charger_init: + kfree(charger); + + return ret; +} + +static int da9030_battery_remove(struct platform_device *dev) +{ + struct da9030_charger *charger = platform_get_drvdata(dev); + + da9030_bat_remove_debugfs(charger); + + da903x_unregister_notifier(charger->master, &charger->nb, + DA9030_EVENT_CHDET | DA9030_EVENT_VBATMON | + DA9030_EVENT_CHIOVER | DA9030_EVENT_TBAT); + cancel_delayed_work(&charger->work); + power_supply_unregister(&charger->psy); + + kfree(charger); + + return 0; +} + +static struct platform_driver da903x_battery_driver = { + .driver = { + .name = "da903x-battery", + .owner = THIS_MODULE, + }, + .probe = da9030_battery_probe, + .remove = da9030_battery_remove, +}; + +static int da903x_battery_init(void) +{ + return platform_driver_register(&da903x_battery_driver); +} + +static void da903x_battery_exit(void) +{ + platform_driver_unregister(&da903x_battery_driver); +} + +module_init(da903x_battery_init); +module_exit(da903x_battery_exit); + +MODULE_DESCRIPTION("DA9030 battery charger driver"); +MODULE_AUTHOR("Mike Rapoport, CompuLab"); +MODULE_LICENSE("GPL"); -- cgit v0.10.2 From 94964f96a6b7018d68b7386cd8c0b8505d3cf69f Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 18 Dec 2008 11:38:02 +0100 Subject: mfd: Use irq_to_desc in twl4030 code The global irq_desc array is soon going to be accessible only with !CONFIG_SPARSE_IRQ. We should start using the generic irq_to_desc() routines instead. Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index fae868a..b108760 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -180,10 +180,15 @@ static struct completion irq_event; static int twl4030_irq_thread(void *data) { long irq = (long)data; - irq_desc_t *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); static unsigned i2c_errors; const static unsigned max_i2c_errors = 100; + if (!desc) { + pr_err("twl4030: Invalid IRQ: %ld\n", irq); + return -EINVAL; + } + current->flags |= PF_NOFREEZE; while (!kthread_should_stop()) { @@ -215,7 +220,13 @@ static int twl4030_irq_thread(void *data) pih_isr; pih_isr >>= 1, module_irq++) { if (pih_isr & 0x1) { - irq_desc_t *d = irq_desc + module_irq; + struct irq_desc *d = irq_to_desc(module_irq); + + if (!d) { + pr_err("twl4030: Invalid SIH IRQ: %d\n", + module_irq); + return -EINVAL; + } /* These can't be masked ... always warn * if we get any surprises. @@ -452,10 +463,16 @@ static void twl4030_sih_do_edge(struct work_struct *work) /* Modify only the bits we know must change */ while (edge_change) { int i = fls(edge_change) - 1; - struct irq_desc *d = irq_desc + i + agent->irq_base; + struct irq_desc *d = irq_to_desc(i + agent->irq_base); int byte = 1 + (i >> 2); int off = (i & 0x3) * 2; + if (!d) { + pr_err("twl4030: Invalid IRQ: %d\n", + i + agent->irq_base); + return; + } + bytes[byte] &= ~(0x03 << off); spin_lock_irq(&d->lock); @@ -512,9 +529,14 @@ static void twl4030_sih_unmask(unsigned irq) static int twl4030_sih_set_type(unsigned irq, unsigned trigger) { struct sih_agent *sih = get_irq_chip_data(irq); - struct irq_desc *desc = irq_desc + irq; + struct irq_desc *desc = irq_to_desc(irq); unsigned long flags; + if (!desc) { + pr_err("twl4030: Invalid IRQ: %d\n", irq); + return -EINVAL; + } + if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)) return -EINVAL; -- cgit v0.10.2 From 96920630624868add3f63f596523e70dbb64549a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 23:09:50 +0100 Subject: mfd: Add WM8352 support The WM8352 is a variant of the WM8350. Aside from the register defaults there are no software visible differences to the WM8350. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index ddfb12b..76a482d 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -143,6 +143,22 @@ config MFD_WM8350_CONFIG_MODE_3 bool depends on MFD_WM8350 +config MFD_WM8352_CONFIG_MODE_0 + bool + depends on MFD_WM8350 + +config MFD_WM8352_CONFIG_MODE_1 + bool + depends on MFD_WM8350 + +config MFD_WM8352_CONFIG_MODE_2 + bool + depends on MFD_WM8350 + +config MFD_WM8352_CONFIG_MODE_3 + bool + depends on MFD_WM8350 + config MFD_WM8350_I2C tristate "Support Wolfson Microelectronics WM8350 with I2C" select MFD_WM8350 diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 2188d75..fa505ac 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1133,35 +1133,75 @@ EXPORT_SYMBOL_GPL(wm8350_read_auxadc); /* * Cache is always host endian. */ -static int wm8350_create_cache(struct wm8350 *wm8350, int mode) +static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode) { int i, ret = 0; u16 value; const u16 *reg_map; - switch (mode) { -#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0 + switch (type) { case 0: - reg_map = wm8350_mode0_defaults; - break; + switch (mode) { +#ifdef CONFIG_MFD_WM8350_CONFIG_MODE_0 + case 0: + reg_map = wm8350_mode0_defaults; + break; #endif #ifdef CONFIG_MFD_WM8350_CONFIG_MODE_1 - case 1: - reg_map = wm8350_mode1_defaults; - break; + case 1: + reg_map = wm8350_mode1_defaults; + break; #endif #ifdef CONFIG_MFD_WM8350_CONFIG_MODE_2 - case 2: - reg_map = wm8350_mode2_defaults; - break; + case 2: + reg_map = wm8350_mode2_defaults; + break; #endif #ifdef CONFIG_MFD_WM8350_CONFIG_MODE_3 - case 3: - reg_map = wm8350_mode3_defaults; - break; + case 3: + reg_map = wm8350_mode3_defaults; + break; #endif + default: + dev_err(wm8350->dev, + "WM8350 configuration mode %d not supported\n", + mode); + return -EINVAL; + } + + case 2: + switch (mode) { +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_0 + case 0: + reg_map = wm8352_mode0_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_1 + case 1: + reg_map = wm8352_mode1_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_2 + case 2: + reg_map = wm8352_mode2_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_3 + case 3: + reg_map = wm8352_mode3_defaults; + break; +#endif + default: + dev_err(wm8350->dev, + "WM8352 configuration mode %d not supported\n", + mode); + return -EINVAL; + } + break; + default: - dev_err(wm8350->dev, "Configuration mode %d not supported\n", + dev_err(wm8350->dev, + "WM835x configuration mode %d not supported\n", mode); return -EINVAL; } @@ -1284,13 +1324,27 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, } break; + case 2: + switch (chip_rev) { + case 0: + dev_info(wm8350->dev, "WM8352 Rev A\n"); + wm8350->power.rev_g_coeff = 1; + break; + + default: + dev_err(wm8350->dev, "Unknown WM8352 CHIP_REV\n"); + ret = -ENODEV; + goto err; + } + break; + default: dev_err(wm8350->dev, "Unknown MASK_REV\n"); ret = -ENODEV; goto err; } - ret = wm8350_create_cache(wm8350, mode); + ret = wm8350_create_cache(wm8350, mask_rev, mode); if (ret < 0) { dev_err(wm8350->dev, "Failed to create register cache\n"); return ret; diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 876e693..8780512 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -97,6 +97,7 @@ static int wm8350_i2c_remove(struct i2c_client *i2c) static const struct i2c_device_id wm8350_i2c_id[] = { { "wm8350", 0 }, + { "wm8352", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, wm8350_i2c_id); diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c index b43d64c..3e2cc37 100644 --- a/drivers/mfd/wm8350-regmap.c +++ b/drivers/mfd/wm8350-regmap.c @@ -1074,6 +1074,1058 @@ const u16 wm8350_mode3_defaults[] = { }; #endif +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_0 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8352_mode0_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0002, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0004, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0FFC, /* R134 - GPIO Configuration (i/o) */ + 0x0FFC, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0013, /* R140 - GPIO Function Select 1 */ + 0x0000, /* R141 - GPIO Function Select 2 */ + 0x0000, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0000, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0000, /* R186 - DCDC3 Control */ + 0x0000, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0000, /* R189 - DCDC4 Control */ + 0x0000, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0000, /* R195 - DCDC6 Control */ + 0x0000, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x001B, /* R203 - LDO2 Control */ + 0x0000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001B, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001B, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x5000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ + 0x5100, /* R252 */ + 0x1000, /* R253 - DCDC6 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_1 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8352_mode1_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0002, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0204, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0BFB, /* R134 - GPIO Configuration (i/o) */ + 0x0FFF, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0300, /* R140 - GPIO Function Select 1 */ + 0x0000, /* R141 - GPIO Function Select 2 */ + 0x2300, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x0062, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0006, /* R186 - DCDC3 Control */ + 0x0800, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0006, /* R189 - DCDC4 Control */ + 0x0C00, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0026, /* R195 - DCDC6 Control */ + 0x1000, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x0002, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x001A, /* R203 - LDO2 Control */ + 0x0000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001F, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001F, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x5000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ + 0x5100, /* R252 */ + 0x1000, /* R253 - DCDC6 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_2 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8352_mode2_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0002, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0204, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0110, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x09DA, /* R134 - GPIO Configuration (i/o) */ + 0x0DD6, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x1310, /* R140 - GPIO Function Select 1 */ + 0x0033, /* R141 - GPIO Function Select 2 */ + 0x2000, /* R142 - GPIO Function Select 3 */ + 0x0000, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0800, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0056, /* R186 - DCDC3 Control */ + 0x1800, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x000E, /* R189 - DCDC4 Control */ + 0x1000, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0026, /* R195 - DCDC6 Control */ + 0x0C00, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0006, /* R203 - LDO2 Control */ + 0x0400, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001C, /* R206 - LDO3 Control */ + 0x1400, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001A, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x5000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ + 0x5100, /* R252 */ + 0x1000, /* R253 - DCDC6 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8352_CONFIG_MODE_3 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8352_mode3_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0002, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0204, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0010, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0BFB, /* R134 - GPIO Configuration (i/o) */ + 0x0FFD, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0310, /* R140 - GPIO Function Select 1 */ + 0x0001, /* R141 - GPIO Function Select 2 */ + 0x2300, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 - Current Sink Driver B */ + 0x0000, /* R175 - CSB Flash control */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x0006, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0050, /* R186 - DCDC3 Control */ + 0x0C00, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x000E, /* R189 - DCDC4 Control */ + 0x0400, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 - DCDC5 Control */ + 0x0000, /* R193 - DCDC5 Timeouts */ + 0x0000, /* R194 */ + 0x0029, /* R195 - DCDC6 Control */ + 0x0800, /* R196 - DCDC6 Timeouts */ + 0x0006, /* R197 - DCDC6 Low Power */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001D, /* R200 - LDO1 Control */ + 0x1000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0017, /* R203 - LDO2 Control */ + 0x1000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x0006, /* R206 - LDO3 Control */ + 0x1000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x0010, /* R209 - LDO4 Control */ + 0x1000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x5000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ + 0x5100, /* R252 */ + 0x1000, /* R253 - DCDC6 Test Controls */ +}; +#endif + /* The register defaults for the config mode used must be compiled in but * due to the impact on kernel size it is possible to disable */ diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index afeff6f..7375790 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -589,6 +589,10 @@ extern const u16 wm8350_mode0_defaults[]; extern const u16 wm8350_mode1_defaults[]; extern const u16 wm8350_mode2_defaults[]; extern const u16 wm8350_mode3_defaults[]; +extern const u16 wm8352_mode0_defaults[]; +extern const u16 wm8352_mode1_defaults[]; +extern const u16 wm8352_mode2_defaults[]; +extern const u16 wm8352_mode3_defaults[]; struct wm8350; -- cgit v0.10.2 From 53a0d99b1ef14f56baec06eec1e3dad031672b3a Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 23:12:08 +0100 Subject: mfd: Handle missing WM8350 platform data Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index fa505ac..03af3b1 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1350,7 +1350,7 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, return ret; } - if (pdata->init) { + if (pdata && pdata->init) { ret = pdata->init(wm8350); if (ret != 0) { dev_err(wm8350->dev, "Platform init() failed: %d\n", -- cgit v0.10.2 From 645524a9c6e1e42dc4fe03217befb20e2fc4d43e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 23:12:16 +0100 Subject: mfd: Support configurable numbers of DCDCs and ISINKs on WM8350 Some WM8350 variants have fewer DCDCs and ISINKs. Identify these at probe and refuse to use the absent DCDCs when running on these chips. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 03af3b1..56c363c 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1301,6 +1301,9 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, switch (mask_rev) { case 0: + wm8350->pmic.max_dcdc = WM8350_DCDC_6; + wm8350->pmic.max_isink = WM8350_ISINK_B; + switch (chip_rev) { case WM8350_REV_E: dev_info(wm8350->dev, "WM8350 Rev E\n"); @@ -1325,6 +1328,9 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, break; case 2: + wm8350->pmic.max_dcdc = WM8350_DCDC_6; + wm8350->pmic.max_isink = WM8350_ISINK_B; + switch (chip_rev) { case 0: dev_info(wm8350->dev, "WM8352 Rev A\n"); diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 1f44b17..c68c496 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1380,6 +1380,13 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg, if (wm8350->pmic.pdev[reg]) return -EBUSY; + if (reg >= WM8350_DCDC_1 && reg <= WM8350_DCDC_6 && + reg > wm8350->pmic.max_dcdc) + return -ENODEV; + if (reg >= WM8350_ISINK_A && reg <= WM8350_ISINK_B && + reg > wm8350->pmic.max_isink) + return -ENODEV; + pdev = platform_device_alloc("wm8350-regulator", reg); if (!pdev) return -ENOMEM; diff --git a/include/linux/mfd/wm8350/pmic.h b/include/linux/mfd/wm8350/pmic.h index 69b69e0..96acbfc 100644 --- a/include/linux/mfd/wm8350/pmic.h +++ b/include/linux/mfd/wm8350/pmic.h @@ -701,6 +701,10 @@ struct platform_device; struct regulator_init_data; struct wm8350_pmic { + /* Number of regulators of each type on this device */ + int max_dcdc; + int max_isink; + /* ISINK to DCDC mapping */ int isink_A_dcdc; int isink_B_dcdc; -- cgit v0.10.2 From ca23f8c1b0aa15dc69565244fc5dffa67a72dd02 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 23:12:28 +0100 Subject: mfd: Add WM8351 support The WM8351 is a WM8350 variant. As well as register default changes the WM8351 has fewer voltage and current regulators than the WM8350. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 76a482d..781a279 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -143,6 +143,22 @@ config MFD_WM8350_CONFIG_MODE_3 bool depends on MFD_WM8350 +config MFD_WM8351_CONFIG_MODE_0 + bool + depends on MFD_WM8350 + +config MFD_WM8351_CONFIG_MODE_1 + bool + depends on MFD_WM8350 + +config MFD_WM8351_CONFIG_MODE_2 + bool + depends on MFD_WM8350 + +config MFD_WM8351_CONFIG_MODE_3 + bool + depends on MFD_WM8350 + config MFD_WM8352_CONFIG_MODE_0 bool depends on MFD_WM8350 diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 56c363c..e03fe60 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1169,6 +1169,36 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode) return -EINVAL; } + case 1: + switch (mode) { +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_0 + case 0: + reg_map = wm8351_mode0_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_1 + case 1: + reg_map = wm8351_mode1_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_2 + case 2: + reg_map = wm8351_mode2_defaults; + break; +#endif +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_3 + case 3: + reg_map = wm8351_mode3_defaults; + break; +#endif + default: + dev_err(wm8350->dev, + "WM8351 configuration mode %d not supported\n", + mode); + return -EINVAL; + } + break; + case 2: switch (mode) { #ifdef CONFIG_MFD_WM8352_CONFIG_MODE_0 @@ -1327,6 +1357,23 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, } break; + case 1: + wm8350->pmic.max_dcdc = WM8350_DCDC_4; + wm8350->pmic.max_isink = WM8350_ISINK_A; + + switch (chip_rev) { + case 0: + dev_info(wm8350->dev, "WM8351 Rev A\n"); + wm8350->power.rev_g_coeff = 1; + break; + + default: + dev_err(wm8350->dev, "Unknown WM8351 CHIP_REV\n"); + ret = -ENODEV; + goto err; + } + break; + case 2: wm8350->pmic.max_dcdc = WM8350_DCDC_6; wm8350->pmic.max_isink = WM8350_ISINK_B; diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c index 8780512..8d8c932 100644 --- a/drivers/mfd/wm8350-i2c.c +++ b/drivers/mfd/wm8350-i2c.c @@ -97,6 +97,7 @@ static int wm8350_i2c_remove(struct i2c_client *i2c) static const struct i2c_device_id wm8350_i2c_id[] = { { "wm8350", 0 }, + { "wm8351", 0 }, { "wm8352", 0 }, { } }; diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c index 3e2cc37..68887b8 100644 --- a/drivers/mfd/wm8350-regmap.c +++ b/drivers/mfd/wm8350-regmap.c @@ -1074,6 +1074,1050 @@ const u16 wm8350_mode3_defaults[] = { }; #endif +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_0 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8351_mode0_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0001, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0004, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0FFC, /* R134 - GPIO Configuration (i/o) */ + 0x0FFC, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0013, /* R140 - GPIO Function Select 1 */ + 0x0000, /* R141 - GPIO Function Select 2 */ + 0x0000, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 */ + 0x0000, /* R175 */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0000, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0000, /* R186 - DCDC3 Control */ + 0x0000, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0000, /* R189 - DCDC4 Control */ + 0x0000, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 */ + 0x0000, /* R193 */ + 0x0000, /* R194 */ + 0x0000, /* R195 */ + 0x0000, /* R196 */ + 0x0006, /* R197 */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x001B, /* R203 - LDO2 Control */ + 0x0000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001B, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001B, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 - FLL Test 1 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x1000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_1 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8351_mode1_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0001, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0204, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0CFB, /* R134 - GPIO Configuration (i/o) */ + 0x0C1F, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0300, /* R140 - GPIO Function Select 1 */ + 0x1110, /* R141 - GPIO Function Select 2 */ + 0x0013, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 */ + 0x0000, /* R175 */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0C00, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0026, /* R186 - DCDC3 Control */ + 0x0400, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0062, /* R189 - DCDC4 Control */ + 0x0800, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 */ + 0x0000, /* R193 */ + 0x0000, /* R194 */ + 0x000A, /* R195 */ + 0x1000, /* R196 */ + 0x0006, /* R197 */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x0006, /* R200 - LDO1 Control */ + 0x0000, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0010, /* R203 - LDO2 Control */ + 0x0C00, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x001F, /* R206 - LDO3 Control */ + 0x0800, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x000A, /* R209 - LDO4 Control */ + 0x0800, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 - FLL Test 1 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x1000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x1000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_2 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8351_mode2_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0001, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0214, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0000, /* R129 - GPIO Pin pull up Control */ + 0x0110, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x09FA, /* R134 - GPIO Configuration (i/o) */ + 0x0DF6, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x1310, /* R140 - GPIO Function Select 1 */ + 0x0003, /* R141 - GPIO Function Select 2 */ + 0x2000, /* R142 - GPIO Function Select 3 */ + 0x0000, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 */ + 0x0000, /* R175 */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x001A, /* R180 - DCDC1 Control */ + 0x0800, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0056, /* R186 - DCDC3 Control */ + 0x0400, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0026, /* R189 - DCDC4 Control */ + 0x0C00, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 */ + 0x0000, /* R193 */ + 0x0000, /* R194 */ + 0x0026, /* R195 */ + 0x0C00, /* R196 */ + 0x0006, /* R197 */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x001C, /* R200 - LDO1 Control */ + 0x0400, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0010, /* R203 - LDO2 Control */ + 0x0C00, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x0015, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001A, /* R209 - LDO4 Control */ + 0x0000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 - FLL Test 1 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x1000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ +}; +#endif + +#ifdef CONFIG_MFD_WM8351_CONFIG_MODE_3 + +#undef WM8350_HAVE_CONFIG_MODE +#define WM8350_HAVE_CONFIG_MODE + +const u16 wm8351_mode3_defaults[] = { + 0x6143, /* R0 - Reset/ID */ + 0x0000, /* R1 - ID */ + 0x0001, /* R2 - Revision */ + 0x1C02, /* R3 - System Control 1 */ + 0x0204, /* R4 - System Control 2 */ + 0x0000, /* R5 - System Hibernate */ + 0x8A00, /* R6 - Interface Control */ + 0x0000, /* R7 */ + 0x8000, /* R8 - Power mgmt (1) */ + 0x0000, /* R9 - Power mgmt (2) */ + 0x0000, /* R10 - Power mgmt (3) */ + 0x2000, /* R11 - Power mgmt (4) */ + 0x0E00, /* R12 - Power mgmt (5) */ + 0x0000, /* R13 - Power mgmt (6) */ + 0x0000, /* R14 - Power mgmt (7) */ + 0x0000, /* R15 */ + 0x0000, /* R16 - RTC Seconds/Minutes */ + 0x0100, /* R17 - RTC Hours/Day */ + 0x0101, /* R18 - RTC Date/Month */ + 0x1400, /* R19 - RTC Year */ + 0x0000, /* R20 - Alarm Seconds/Minutes */ + 0x0000, /* R21 - Alarm Hours/Day */ + 0x0000, /* R22 - Alarm Date/Month */ + 0x0320, /* R23 - RTC Time Control */ + 0x0000, /* R24 - System Interrupts */ + 0x0000, /* R25 - Interrupt Status 1 */ + 0x0000, /* R26 - Interrupt Status 2 */ + 0x0000, /* R27 */ + 0x0000, /* R28 - Under Voltage Interrupt status */ + 0x0000, /* R29 - Over Current Interrupt status */ + 0x0000, /* R30 - GPIO Interrupt Status */ + 0x0000, /* R31 - Comparator Interrupt Status */ + 0x3FFF, /* R32 - System Interrupts Mask */ + 0x0000, /* R33 - Interrupt Status 1 Mask */ + 0x0000, /* R34 - Interrupt Status 2 Mask */ + 0x0000, /* R35 */ + 0x0000, /* R36 - Under Voltage Interrupt status Mask */ + 0x0000, /* R37 - Over Current Interrupt status Mask */ + 0x0000, /* R38 - GPIO Interrupt Status Mask */ + 0x0000, /* R39 - Comparator Interrupt Status Mask */ + 0x0040, /* R40 - Clock Control 1 */ + 0x0000, /* R41 - Clock Control 2 */ + 0x3A00, /* R42 - FLL Control 1 */ + 0x7086, /* R43 - FLL Control 2 */ + 0xC226, /* R44 - FLL Control 3 */ + 0x0000, /* R45 - FLL Control 4 */ + 0x0000, /* R46 */ + 0x0000, /* R47 */ + 0x0000, /* R48 - DAC Control */ + 0x0000, /* R49 */ + 0x00C0, /* R50 - DAC Digital Volume L */ + 0x00C0, /* R51 - DAC Digital Volume R */ + 0x0000, /* R52 */ + 0x0040, /* R53 - DAC LR Rate */ + 0x0000, /* R54 - DAC Clock Control */ + 0x0000, /* R55 */ + 0x0000, /* R56 */ + 0x0000, /* R57 */ + 0x4000, /* R58 - DAC Mute */ + 0x0000, /* R59 - DAC Mute Volume */ + 0x0000, /* R60 - DAC Side */ + 0x0000, /* R61 */ + 0x0000, /* R62 */ + 0x0000, /* R63 */ + 0x8000, /* R64 - ADC Control */ + 0x0000, /* R65 */ + 0x00C0, /* R66 - ADC Digital Volume L */ + 0x00C0, /* R67 - ADC Digital Volume R */ + 0x0000, /* R68 - ADC Divider */ + 0x0000, /* R69 */ + 0x0040, /* R70 - ADC LR Rate */ + 0x0000, /* R71 */ + 0x0303, /* R72 - Input Control */ + 0x0000, /* R73 - IN3 Input Control */ + 0x0000, /* R74 - Mic Bias Control */ + 0x0000, /* R75 */ + 0x0000, /* R76 - Output Control */ + 0x0000, /* R77 - Jack Detect */ + 0x0000, /* R78 - Anti Pop Control */ + 0x0000, /* R79 */ + 0x0040, /* R80 - Left Input Volume */ + 0x0040, /* R81 - Right Input Volume */ + 0x0000, /* R82 */ + 0x0000, /* R83 */ + 0x0000, /* R84 */ + 0x0000, /* R85 */ + 0x0000, /* R86 */ + 0x0000, /* R87 */ + 0x0800, /* R88 - Left Mixer Control */ + 0x1000, /* R89 - Right Mixer Control */ + 0x0000, /* R90 */ + 0x0000, /* R91 */ + 0x0000, /* R92 - OUT3 Mixer Control */ + 0x0000, /* R93 - OUT4 Mixer Control */ + 0x0000, /* R94 */ + 0x0000, /* R95 */ + 0x0000, /* R96 - Output Left Mixer Volume */ + 0x0000, /* R97 - Output Right Mixer Volume */ + 0x0000, /* R98 - Input Mixer Volume L */ + 0x0000, /* R99 - Input Mixer Volume R */ + 0x0000, /* R100 - Input Mixer Volume */ + 0x0000, /* R101 */ + 0x0000, /* R102 */ + 0x0000, /* R103 */ + 0x00E4, /* R104 - OUT1L Volume */ + 0x00E4, /* R105 - OUT1R Volume */ + 0x00E4, /* R106 - OUT2L Volume */ + 0x02E4, /* R107 - OUT2R Volume */ + 0x0000, /* R108 */ + 0x0000, /* R109 */ + 0x0000, /* R110 */ + 0x0000, /* R111 - BEEP Volume */ + 0x0A00, /* R112 - AI Formating */ + 0x0000, /* R113 - ADC DAC COMP */ + 0x0020, /* R114 - AI ADC Control */ + 0x0020, /* R115 - AI DAC Control */ + 0x0000, /* R116 */ + 0x0000, /* R117 */ + 0x0000, /* R118 */ + 0x0000, /* R119 */ + 0x0000, /* R120 */ + 0x0000, /* R121 */ + 0x0000, /* R122 */ + 0x0000, /* R123 */ + 0x0000, /* R124 */ + 0x0000, /* R125 */ + 0x0000, /* R126 */ + 0x0000, /* R127 */ + 0x1FFF, /* R128 - GPIO Debounce */ + 0x0010, /* R129 - GPIO Pin pull up Control */ + 0x0000, /* R130 - GPIO Pull down Control */ + 0x0000, /* R131 - GPIO Interrupt Mode */ + 0x0000, /* R132 */ + 0x0000, /* R133 - GPIO Control */ + 0x0BFB, /* R134 - GPIO Configuration (i/o) */ + 0x0FFD, /* R135 - GPIO Pin Polarity / Type */ + 0x0000, /* R136 */ + 0x0000, /* R137 */ + 0x0000, /* R138 */ + 0x0000, /* R139 */ + 0x0310, /* R140 - GPIO Function Select 1 */ + 0x0001, /* R141 - GPIO Function Select 2 */ + 0x2300, /* R142 - GPIO Function Select 3 */ + 0x0003, /* R143 - GPIO Function Select 4 */ + 0x0000, /* R144 - Digitiser Control (1) */ + 0x0002, /* R145 - Digitiser Control (2) */ + 0x0000, /* R146 */ + 0x0000, /* R147 */ + 0x0000, /* R148 */ + 0x0000, /* R149 */ + 0x0000, /* R150 */ + 0x0000, /* R151 */ + 0x7000, /* R152 - AUX1 Readback */ + 0x7000, /* R153 - AUX2 Readback */ + 0x7000, /* R154 - AUX3 Readback */ + 0x7000, /* R155 - AUX4 Readback */ + 0x0000, /* R156 - USB Voltage Readback */ + 0x0000, /* R157 - LINE Voltage Readback */ + 0x0000, /* R158 - BATT Voltage Readback */ + 0x0000, /* R159 - Chip Temp Readback */ + 0x0000, /* R160 */ + 0x0000, /* R161 */ + 0x0000, /* R162 */ + 0x0000, /* R163 - Generic Comparator Control */ + 0x0000, /* R164 - Generic comparator 1 */ + 0x0000, /* R165 - Generic comparator 2 */ + 0x0000, /* R166 - Generic comparator 3 */ + 0x0000, /* R167 - Generic comparator 4 */ + 0xA00F, /* R168 - Battery Charger Control 1 */ + 0x0B06, /* R169 - Battery Charger Control 2 */ + 0x0000, /* R170 - Battery Charger Control 3 */ + 0x0000, /* R171 */ + 0x0000, /* R172 - Current Sink Driver A */ + 0x0000, /* R173 - CSA Flash control */ + 0x0000, /* R174 */ + 0x0000, /* R175 */ + 0x0000, /* R176 - DCDC/LDO requested */ + 0x032D, /* R177 - DCDC Active options */ + 0x0000, /* R178 - DCDC Sleep options */ + 0x0025, /* R179 - Power-check comparator */ + 0x000E, /* R180 - DCDC1 Control */ + 0x0400, /* R181 - DCDC1 Timeouts */ + 0x1006, /* R182 - DCDC1 Low Power */ + 0x0018, /* R183 - DCDC2 Control */ + 0x0000, /* R184 - DCDC2 Timeouts */ + 0x0000, /* R185 */ + 0x0026, /* R186 - DCDC3 Control */ + 0x0800, /* R187 - DCDC3 Timeouts */ + 0x0006, /* R188 - DCDC3 Low Power */ + 0x0062, /* R189 - DCDC4 Control */ + 0x1400, /* R190 - DCDC4 Timeouts */ + 0x0006, /* R191 - DCDC4 Low Power */ + 0x0008, /* R192 */ + 0x0000, /* R193 */ + 0x0000, /* R194 */ + 0x0026, /* R195 */ + 0x0400, /* R196 */ + 0x0006, /* R197 */ + 0x0000, /* R198 */ + 0x0003, /* R199 - Limit Switch Control */ + 0x0006, /* R200 - LDO1 Control */ + 0x0C00, /* R201 - LDO1 Timeouts */ + 0x001C, /* R202 - LDO1 Low Power */ + 0x0016, /* R203 - LDO2 Control */ + 0x0000, /* R204 - LDO2 Timeouts */ + 0x001C, /* R205 - LDO2 Low Power */ + 0x0019, /* R206 - LDO3 Control */ + 0x0000, /* R207 - LDO3 Timeouts */ + 0x001C, /* R208 - LDO3 Low Power */ + 0x001A, /* R209 - LDO4 Control */ + 0x1000, /* R210 - LDO4 Timeouts */ + 0x001C, /* R211 - LDO4 Low Power */ + 0x0000, /* R212 */ + 0x0000, /* R213 */ + 0x0000, /* R214 */ + 0x0000, /* R215 - VCC_FAULT Masks */ + 0x001F, /* R216 - Main Bandgap Control */ + 0x0000, /* R217 - OSC Control */ + 0x9000, /* R218 - RTC Tick Control */ + 0x0000, /* R219 - Security1 */ + 0x4000, /* R220 */ + 0x0000, /* R221 */ + 0x0000, /* R222 */ + 0x0000, /* R223 */ + 0x0000, /* R224 - Signal overrides */ + 0x0000, /* R225 - DCDC/LDO status */ + 0x0000, /* R226 - Charger Overides/status */ + 0x0000, /* R227 - misc overrides */ + 0x0000, /* R228 - Supply overrides/status 1 */ + 0x0000, /* R229 - Supply overrides/status 2 */ + 0xE000, /* R230 - GPIO Pin Status */ + 0x0000, /* R231 - comparotor overrides */ + 0x0000, /* R232 */ + 0x0000, /* R233 - State Machine status */ + 0x1200, /* R234 - FLL Test 1 */ + 0x0000, /* R235 */ + 0x8000, /* R236 */ + 0x0000, /* R237 */ + 0x0000, /* R238 */ + 0x0000, /* R239 */ + 0x0003, /* R240 */ + 0x0000, /* R241 */ + 0x0000, /* R242 */ + 0x0004, /* R243 */ + 0x0300, /* R244 */ + 0x0000, /* R245 */ + 0x0200, /* R246 */ + 0x0000, /* R247 */ + 0x1000, /* R248 - DCDC1 Test Controls */ + 0x1000, /* R249 */ + 0x1000, /* R250 - DCDC3 Test Controls */ + 0x1000, /* R251 - DCDC4 Test Controls */ +}; +#endif + #ifdef CONFIG_MFD_WM8352_CONFIG_MODE_0 #undef WM8350_HAVE_CONFIG_MODE diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 7375790..980669d 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -589,6 +589,10 @@ extern const u16 wm8350_mode0_defaults[]; extern const u16 wm8350_mode1_defaults[]; extern const u16 wm8350_mode2_defaults[]; extern const u16 wm8350_mode3_defaults[]; +extern const u16 wm8351_mode0_defaults[]; +extern const u16 wm8351_mode1_defaults[]; +extern const u16 wm8351_mode2_defaults[]; +extern const u16 wm8351_mode3_defaults[]; extern const u16 wm8352_mode0_defaults[]; extern const u16 wm8352_mode1_defaults[]; extern const u16 wm8352_mode2_defaults[]; -- cgit v0.10.2 From 4331bb32339a55fd88fbfb0581ed5132207bf9a2 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 18 Dec 2008 23:20:14 +0100 Subject: mfd: Add missing break from wm3850-core Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index e03fe60..3a273cc 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1168,6 +1168,7 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode) mode); return -EINVAL; } + break; case 1: switch (mode) { -- cgit v0.10.2 From 0931a4c6dbfab03f2bfd22a9170130f7b155d53a Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 22 Dec 2008 12:05:27 +0100 Subject: mfd: dm355evm msp430 driver Basic MFD framework for the MSP430 microcontroller firmware used on the dm355evm board: - Provides an interface for other drivers: register read/write utilities, and register declarations. - Directly exports: * Many signals through the GPIO framework + LEDs + SW6 through gpio sysfs + NTSC/nPAL jumper through gpio sysfs + ... more could be added later, e.g. MMC signals * Child devices: + LEDs, via leds-gpio child (and default triggers) + RTC, via rtc-dm355evm child device + Buttons and IR control, via dm355evm_keys - Supports power-off system call. Use the reset button to power the board back up; the power supply LED will be on, but the MSP430 waits to re-activate the regulators. - On probe() this: * Announces firmware revision * Turns off the banked LEDs * Exports the resources noted above * Hooks the power-off support * Muxes tvp5146 -or- imager for video input Unless the new tvp514x driver (tracked for mainline) is configured, this assumes that some custom imager driver handles video-in. This completely ignores the registers reporting the output voltages on the various power supplies. Someone could add a hwmon interface if that seems useful. Signed-off-by: David Brownell Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 781a279..02e9146 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -34,6 +34,14 @@ config MFD_ASIC3 This driver supports the ASIC3 multifunction chip found on many PDAs (mainly iPAQ and HTC based ones) +config MFD_DM355EVM_MSP + bool "DaVinci DM355 EVM microcontroller" + depends on I2C && MACH_DAVINCI_DM355_EVM + help + This driver supports the MSP430 microcontroller used on these + boards. MSP430 firmware manages resets and power sequencing, + inputs from buttons and the IR remote, LEDs, an RTC, and more. + config HTC_EGPIO bool "HTC EGPIO support" depends on GENERIC_HARDIRQS && GPIOLIB && ARM diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 9a5ad8a..8f6cd5c 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -8,6 +8,8 @@ obj-$(CONFIG_MFD_ASIC3) += asic3.o obj-$(CONFIG_HTC_EGPIO) += htc-egpio.o obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o +obj-$(CONFIG_MFD_DM355EVM_MSP) += dm355evm_msp.o + obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c new file mode 100644 index 0000000..4214b3f --- /dev/null +++ b/drivers/mfd/dm355evm_msp.c @@ -0,0 +1,420 @@ +/* + * dm355evm_msp.c - driver for MSP430 firmware on DM355EVM board + * + * Copyright (C) 2008 David Brownell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +/* + * The DM355 is a DaVinci chip with video support but no C64+ DSP. Its + * EVM board has an MSP430 programmed with firmware for various board + * support functions. This driver exposes some of them directly, and + * supports other drivers (e.g. RTC, input) for more complex access. + * + * Because this firmware is entirely board-specific, this file embeds + * knowledge that would be passed as platform_data in a generic driver. + * + * This driver was tested with firmware revision A4. + */ + +#if defined(CONFIG_KEYBOARD_DM355EVM) \ + || defined(CONFIG_KEYBOARD_DM355EVM_MODULE) +#define msp_has_keyboard() true +#else +#define msp_has_keyboard() false +#endif + +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#define msp_has_leds() true +#else +#define msp_has_leds() false +#endif + +#if defined(CONFIG_RTC_DRV_DM355EVM) || defined(CONFIG_RTC_DRV_DM355EVM_MODULE) +#define msp_has_rtc() true +#else +#define msp_has_rtc() false +#endif + +#if defined(CONFIG_VIDEO_TVP514X) || defined(CONFIG_VIDEO_TVP514X_MODULE) +#define msp_has_tvp() true +#else +#define msp_has_tvp() false +#endif + + +/*----------------------------------------------------------------------*/ + +/* REVISIT for paranoia's sake, retry reads/writes on error */ + +static struct i2c_client *msp430; + +/** + * dm355evm_msp_write - Writes a register in dm355evm_msp + * @value: the value to be written + * @reg: register address + * + * Returns result of operation - 0 is success, else negative errno + */ +int dm355evm_msp_write(u8 value, u8 reg) +{ + return i2c_smbus_write_byte_data(msp430, reg, value); +} +EXPORT_SYMBOL(dm355evm_msp_write); + +/** + * dm355evm_msp_read - Reads a register from dm355evm_msp + * @reg: register address + * + * Returns result of operation - value, or negative errno + */ +int dm355evm_msp_read(u8 reg) +{ + return i2c_smbus_read_byte_data(msp430, reg); +} +EXPORT_SYMBOL(dm355evm_msp_read); + +/*----------------------------------------------------------------------*/ + +/* + * Many of the msp430 pins are just used as fixed-direction GPIOs. + * We could export a few more of them this way, if we wanted. + */ +#define MSP_GPIO(bit,reg) ((DM355EVM_MSP_ ## reg) << 3 | (bit)) + +static const u8 msp_gpios[] = { + /* eight leds */ + MSP_GPIO(0, LED), MSP_GPIO(1, LED), + MSP_GPIO(2, LED), MSP_GPIO(3, LED), + MSP_GPIO(4, LED), MSP_GPIO(5, LED), + MSP_GPIO(6, LED), MSP_GPIO(7, LED), + /* SW6 and the NTSC/nPAL jumper */ + MSP_GPIO(0, SWITCH1), MSP_GPIO(1, SWITCH1), + MSP_GPIO(2, SWITCH1), MSP_GPIO(3, SWITCH1), + MSP_GPIO(4, SWITCH1), +}; + +#define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3) +#define MSP_GPIO_MASK(offset) BIT(msp_gpios[(offset)] & 0x07) + +static int msp_gpio_in(struct gpio_chip *chip, unsigned offset) +{ + switch (MSP_GPIO_REG(offset)) { + case DM355EVM_MSP_SWITCH1: + case DM355EVM_MSP_SWITCH2: + case DM355EVM_MSP_SDMMC: + return 0; + default: + return -EINVAL; + } +} + +static u8 msp_led_cache; + +static int msp_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + int reg, status; + + reg = MSP_GPIO_REG(offset); + status = dm355evm_msp_read(reg); + if (status < 0) + return status; + if (reg == DM355EVM_MSP_LED) + msp_led_cache = status; + return status & MSP_GPIO_MASK(offset); +} + +static int msp_gpio_out(struct gpio_chip *chip, unsigned offset, int value) +{ + int mask, bits; + + /* NOTE: there are some other signals that could be + * packaged as output GPIOs, but they aren't as useful + * as the LEDs ... so for now we don't. + */ + if (MSP_GPIO_REG(offset) != DM355EVM_MSP_LED) + return -EINVAL; + + mask = MSP_GPIO_MASK(offset); + bits = msp_led_cache; + + bits &= ~mask; + if (value) + bits |= mask; + msp_led_cache = bits; + + return dm355evm_msp_write(bits, DM355EVM_MSP_LED); +} + +static void msp_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + msp_gpio_out(chip, offset, value); +} + +static struct gpio_chip dm355evm_msp_gpio = { + .label = "dm355evm_msp", + .owner = THIS_MODULE, + .direction_input = msp_gpio_in, + .get = msp_gpio_get, + .direction_output = msp_gpio_out, + .set = msp_gpio_set, + .base = -EINVAL, /* dynamic assignment */ + .ngpio = ARRAY_SIZE(msp_gpios), + .can_sleep = true, +}; + +/*----------------------------------------------------------------------*/ + +static struct device *add_child(struct i2c_client *client, const char *name, + void *pdata, unsigned pdata_len, + bool can_wakeup, int irq) +{ + struct platform_device *pdev; + int status; + + pdev = platform_device_alloc(name, -1); + if (!pdev) { + dev_dbg(&client->dev, "can't alloc dev\n"); + status = -ENOMEM; + goto err; + } + + device_init_wakeup(&pdev->dev, can_wakeup); + pdev->dev.parent = &client->dev; + + if (pdata) { + status = platform_device_add_data(pdev, pdata, pdata_len); + if (status < 0) { + dev_dbg(&pdev->dev, "can't add platform_data\n"); + goto err; + } + } + + if (irq) { + struct resource r = { + .start = irq, + .flags = IORESOURCE_IRQ, + }; + + status = platform_device_add_resources(pdev, &r, 1); + if (status < 0) { + dev_dbg(&pdev->dev, "can't add irq\n"); + goto err; + } + } + + status = platform_device_add(pdev); + +err: + if (status < 0) { + platform_device_put(pdev); + dev_err(&client->dev, "can't add %s dev\n", name); + return ERR_PTR(status); + } + return &pdev->dev; +} + +static int add_children(struct i2c_client *client) +{ + static const struct { + int offset; + char *label; + } config_inputs[] = { + /* 8 == right after the LEDs */ + { 8 + 0, "sw6_1", }, + { 8 + 1, "sw6_2", }, + { 8 + 2, "sw6_3", }, + { 8 + 3, "sw6_4", }, + { 8 + 4, "NTSC/nPAL", }, + }; + + struct device *child; + int status; + int i; + + /* GPIO-ish stuff */ + dm355evm_msp_gpio.dev = &client->dev; + status = gpiochip_add(&dm355evm_msp_gpio); + if (status < 0) + return status; + + /* LED output */ + if (msp_has_leds()) { +#define GPIO_LED(l) .name = l, .active_low = true + static struct gpio_led evm_leds[] = { + { GPIO_LED("dm355evm::ds14"), + .default_trigger = "heartbeat", }, + { GPIO_LED("dm355evm::ds15"), + .default_trigger = "mmc0", }, + { GPIO_LED("dm355evm::ds16"), + /* could also be a CE-ATA drive */ + .default_trigger = "mmc1", }, + { GPIO_LED("dm355evm::ds17"), + .default_trigger = "nand-disk", }, + { GPIO_LED("dm355evm::ds18"), }, + { GPIO_LED("dm355evm::ds19"), }, + { GPIO_LED("dm355evm::ds20"), }, + { GPIO_LED("dm355evm::ds21"), }, + }; +#undef GPIO_LED + + struct gpio_led_platform_data evm_led_data = { + .num_leds = ARRAY_SIZE(evm_leds), + .leds = evm_leds, + }; + + for (i = 0; i < ARRAY_SIZE(evm_leds); i++) + evm_leds[i].gpio = i + dm355evm_msp_gpio.base; + + /* NOTE: these are the only fully programmable LEDs + * on the board, since GPIO-61/ds22 (and many signals + * going to DC7) must be used for AEMIF address lines + * unless the top 1 GB of NAND is unused... + */ + child = add_child(client, "leds-gpio", + &evm_led_data, sizeof(evm_led_data), + false, 0); + if (IS_ERR(child)) + return PTR_ERR(child); + } + + /* configuration inputs */ + for (i = 0; i < ARRAY_SIZE(config_inputs); i++) { + int gpio = dm355evm_msp_gpio.base + config_inputs[i].offset; + + gpio_request(gpio, config_inputs[i].label); + gpio_direction_input(gpio); + + /* make it easy for userspace to see these */ + gpio_export(gpio, false); + } + + /* RTC is a 32 bit counter, no alarm */ + if (msp_has_rtc()) { + child = add_child(client, "rtc-dm355evm", + NULL, 0, false, 0); + if (IS_ERR(child)) + return PTR_ERR(child); + } + + /* input from buttons and IR remote (uses the IRQ) */ + if (msp_has_keyboard()) { + child = add_child(client, "dm355evm_keys", + NULL, 0, true, client->irq); + if (IS_ERR(child)) + return PTR_ERR(child); + } + + return 0; +} + +/*----------------------------------------------------------------------*/ + +static void dm355evm_command(unsigned command) +{ + int status; + + status = dm355evm_msp_write(command, DM355EVM_MSP_COMMAND); + if (status < 0) + dev_err(&msp430->dev, "command %d failure %d\n", + command, status); +} + +static void dm355evm_power_off(void) +{ + dm355evm_command(MSP_COMMAND_POWEROFF); +} + +static int dm355evm_msp_remove(struct i2c_client *client) +{ + pm_power_off = NULL; + msp430 = NULL; + return 0; +} + +static int +dm355evm_msp_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + int status; + const char *video = msp_has_tvp() ? "TVP5146" : "imager"; + + if (msp430) + return -EBUSY; + msp430 = client; + + /* display revision status; doubles as sanity check */ + status = dm355evm_msp_read(DM355EVM_MSP_FIRMREV); + if (status < 0) + goto fail; + dev_info(&client->dev, "firmware v.%02X, %s as video-in\n", + status, video); + + /* mux video input: either tvp5146 or some external imager */ + status = dm355evm_msp_write(msp_has_tvp() ? 0 : MSP_VIDEO_IMAGER, + DM355EVM_MSP_VIDEO_IN); + if (status < 0) + dev_warn(&client->dev, "error %d muxing %s as video-in\n", + status, video); + + /* init LED cache, and turn off the LEDs */ + msp_led_cache = 0xff; + dm355evm_msp_write(msp_led_cache, DM355EVM_MSP_LED); + + /* export capabilities we support */ + status = add_children(client); + if (status < 0) + goto fail; + + /* PM hookup */ + pm_power_off = dm355evm_power_off; + + return 0; + +fail: + /* FIXME remove children ... */ + dm355evm_msp_remove(client); + return status; +} + +static const struct i2c_device_id dm355evm_msp_ids[] = { + { "dm355evm_msp", 0 }, + { /* end of list */ }, +}; +MODULE_DEVICE_TABLE(i2c, dm355evm_msp_ids); + +static struct i2c_driver dm355evm_msp_driver = { + .driver.name = "dm355evm_msp", + .id_table = dm355evm_msp_ids, + .probe = dm355evm_msp_probe, + .remove = dm355evm_msp_remove, +}; + +static int __init dm355evm_msp_init(void) +{ + return i2c_add_driver(&dm355evm_msp_driver); +} +subsys_initcall(dm355evm_msp_init); + +static void __exit dm355evm_msp_exit(void) +{ + i2c_del_driver(&dm355evm_msp_driver); +} +module_exit(dm355evm_msp_exit); + +MODULE_DESCRIPTION("Interface to MSP430 firmware on DM355EVM"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/i2c/dm355evm_msp.h b/include/linux/i2c/dm355evm_msp.h new file mode 100644 index 0000000..3724703 --- /dev/null +++ b/include/linux/i2c/dm355evm_msp.h @@ -0,0 +1,79 @@ +/* + * dm355evm_msp.h - support MSP430 microcontroller on DM355EVM board + */ +#ifndef __LINUX_I2C_DM355EVM_MSP +#define __LINUX_I2C_DM355EVM_MSP + +/* + * Written against Spectrum's writeup for the A4 firmware revision, + * and tweaked to match source and rev D2 schematics by removing CPLD + * and NOR flash hooks (which were last appropriate in rev B boards). + * + * Note that the firmware supports a flavor of write posting ... to be + * sure a write completes, issue another read or write. + */ + +/* utilities to access "registers" emulated by msp430 firmware */ +extern int dm355evm_msp_write(u8 value, u8 reg); +extern int dm355evm_msp_read(u8 reg); + + +/* command/control registers */ +#define DM355EVM_MSP_COMMAND 0x00 +# define MSP_COMMAND_NULL 0 +# define MSP_COMMAND_RESET_COLD 1 +# define MSP_COMMAND_RESET_WARM 2 +# define MSP_COMMAND_RESET_WARM_I 3 +# define MSP_COMMAND_POWEROFF 4 +# define MSP_COMMAND_IR_REINIT 5 +#define DM355EVM_MSP_STATUS 0x01 +# define MSP_STATUS_BAD_OFFSET BIT(0) +# define MSP_STATUS_BAD_COMMAND BIT(1) +# define MSP_STATUS_POWER_ERROR BIT(2) +# define MSP_STATUS_RXBUF_OVERRUN BIT(3) +#define DM355EVM_MSP_RESET 0x02 /* 0 bits == in reset */ +# define MSP_RESET_DC5 BIT(0) +# define MSP_RESET_TVP5154 BIT(2) +# define MSP_RESET_IMAGER BIT(3) +# define MSP_RESET_ETHERNET BIT(4) +# define MSP_RESET_SYS BIT(5) +# define MSP_RESET_AIC33 BIT(7) + +/* GPIO registers ... bit patterns mostly match the source MSP ports */ +#define DM355EVM_MSP_LED 0x03 /* active low (MSP P4) */ +#define DM355EVM_MSP_SWITCH1 0x04 /* (MSP P5, masked) */ +# define MSP_SWITCH1_SW6_1 BIT(0) +# define MSP_SWITCH1_SW6_2 BIT(1) +# define MSP_SWITCH1_SW6_3 BIT(2) +# define MSP_SWITCH1_SW6_4 BIT(3) +# define MSP_SWITCH1_J1 BIT(4) /* NTSC/PAL */ +# define MSP_SWITCH1_MSP_INT BIT(5) /* active low */ +#define DM355EVM_MSP_SWITCH2 0x05 /* (MSP P6, masked) */ +# define MSP_SWITCH2_SW10 BIT(3) +# define MSP_SWITCH2_SW11 BIT(4) +# define MSP_SWITCH2_SW12 BIT(5) +# define MSP_SWITCH2_SW13 BIT(6) +# define MSP_SWITCH2_SW14 BIT(7) +#define DM355EVM_MSP_SDMMC 0x06 /* (MSP P2, masked) */ +# define MSP_SDMMC_0_WP BIT(1) +# define MSP_SDMMC_0_CD BIT(2) /* active low */ +# define MSP_SDMMC_1_WP BIT(3) +# define MSP_SDMMC_1_CD BIT(4) /* active low */ +#define DM355EVM_MSP_FIRMREV 0x07 /* not a GPIO (out of order) */ +#define DM355EVM_MSP_VIDEO_IN 0x08 /* (MSP P3, masked) */ +# define MSP_VIDEO_IMAGER BIT(7) /* low == tvp5146 */ + +/* power supply registers are currently omitted */ + +/* RTC registers */ +#define DM355EVM_MSP_RTC_0 0x12 /* LSB */ +#define DM355EVM_MSP_RTC_1 0x13 +#define DM355EVM_MSP_RTC_2 0x14 +#define DM355EVM_MSP_RTC_3 0x15 /* MSB */ + +/* input event queue registers; code == ((HIGH << 8) | LOW) */ +#define DM355EVM_MSP_INPUT_COUNT 0x16 /* decrement by reading LOW */ +#define DM355EVM_MSP_INPUT_HIGH 0x17 +#define DM355EVM_MSP_INPUT_LOW 0x18 + +#endif /* __LINUX_I2C_DM355EVM_MSP */ -- cgit v0.10.2 From 87c13493e6a59c0da55c2824f0205f9ef941b760 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 22 Dec 2008 12:16:27 +0100 Subject: mfd: move drivers/i2c/chips/tps65010.c to drivers/mfd Move the tps65010 driver from drivers/i2c/chips to drivers/mfd since it's more of a multi-function device than anything else, and since Jean is trying to vanish drivers/i2c/chips ASAP. One way to think of these chips are as the PMIC family most used with OMAP1 generation chips. Signed-off-by: David Brownell Signed-off-by: Samuel Ortiz diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index 4c35702..fa69c99 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -126,19 +126,6 @@ config ISP1301_OMAP This driver can also be built as a module. If so, the module will be called isp1301_omap. -config TPS65010 - tristate "TPS6501x Power Management chips" - depends on GPIOLIB - default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK - help - If you say yes here you get support for the TPS6501x series of - Power Management chips. These include voltage regulators, - lithium ion/polymer battery charging, and other features that - are often used in portable devices like cell phones and cameras. - - This driver can also be built as a module. If so, the module - will be called tps65010. - config SENSORS_MAX6875 tristate "Maxim MAX6875 Power supply supervisor" depends on EXPERIMENTAL diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 23d2a31..0c7e2f1 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o obj-$(CONFIG_PCF8575) += pcf8575.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o -obj-$(CONFIG_TPS65010) += tps65010.o obj-$(CONFIG_MENELAUS) += menelaus.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c deleted file mode 100644 index acf8b9d..0000000 --- a/drivers/i2c/chips/tps65010.c +++ /dev/null @@ -1,1072 +0,0 @@ -/* - * tps65010 - driver for tps6501x power management chips - * - * Copyright (C) 2004 Texas Instruments - * Copyright (C) 2004-2005 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include - - -/*-------------------------------------------------------------------------*/ - -#define DRIVER_VERSION "2 May 2005" -#define DRIVER_NAME (tps65010_driver.driver.name) - -MODULE_DESCRIPTION("TPS6501x Power Management Driver"); -MODULE_LICENSE("GPL"); - -static struct i2c_driver tps65010_driver; - -/*-------------------------------------------------------------------------*/ - -/* This driver handles a family of multipurpose chips, which incorporate - * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs, - * and other features often needed in portable devices like cell phones - * or digital cameras. - * - * The tps65011 and tps65013 have different voltage settings compared - * to tps65010 and tps65012. The tps65013 has a NO_CHG status/irq. - * All except tps65010 have "wait" mode, possibly defaulted so that - * battery-insert != device-on. - * - * We could distinguish between some models by checking VDCDC1.UVLO or - * other registers, unless they've been changed already after powerup - * as part of board setup by a bootloader. - */ -enum tps_model { - TPS65010, - TPS65011, - TPS65012, - TPS65013, -}; - -struct tps65010 { - struct i2c_client *client; - struct mutex lock; - struct delayed_work work; - struct dentry *file; - unsigned charging:1; - unsigned por:1; - unsigned model:8; - u16 vbus; - unsigned long flags; -#define FLAG_VBUS_CHANGED 0 -#define FLAG_IRQ_ENABLE 1 - - /* copies of last register state */ - u8 chgstatus, regstatus, chgconf; - u8 nmask1, nmask2; - - u8 outmask; - struct gpio_chip chip; - struct platform_device *leds; -}; - -#define POWER_POLL_DELAY msecs_to_jiffies(5000) - -/*-------------------------------------------------------------------------*/ - -#if defined(DEBUG) || defined(CONFIG_DEBUG_FS) - -static void dbg_chgstat(char *buf, size_t len, u8 chgstatus) -{ - snprintf(buf, len, "%02x%s%s%s%s%s%s%s%s\n", - chgstatus, - (chgstatus & TPS_CHG_USB) ? " USB" : "", - (chgstatus & TPS_CHG_AC) ? " AC" : "", - (chgstatus & TPS_CHG_THERM) ? " therm" : "", - (chgstatus & TPS_CHG_TERM) ? " done" : - ((chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) - ? " (charging)" : ""), - (chgstatus & TPS_CHG_TAPER_TMO) ? " taper_tmo" : "", - (chgstatus & TPS_CHG_CHG_TMO) ? " charge_tmo" : "", - (chgstatus & TPS_CHG_PRECHG_TMO) ? " prechg_tmo" : "", - (chgstatus & TPS_CHG_TEMP_ERR) ? " temp_err" : ""); -} - -static void dbg_regstat(char *buf, size_t len, u8 regstatus) -{ - snprintf(buf, len, "%02x %s%s%s%s%s%s%s%s\n", - regstatus, - (regstatus & TPS_REG_ONOFF) ? "off" : "(on)", - (regstatus & TPS_REG_COVER) ? " uncover" : "", - (regstatus & TPS_REG_UVLO) ? " UVLO" : "", - (regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "", - (regstatus & TPS_REG_PG_LD02) ? " ld02_bad" : "", - (regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "", - (regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "", - (regstatus & TPS_REG_PG_CORE) ? " core_bad" : ""); -} - -static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig) -{ - const char *hibit; - - if (por) - hibit = (chgconfig & TPS_CHARGE_POR) - ? "POR=69ms" : "POR=1sec"; - else - hibit = (chgconfig & TPS65013_AUA) ? "AUA" : ""; - - snprintf(buf, len, "%02x %s%s%s AC=%d%% USB=%dmA %sCharge\n", - chgconfig, hibit, - (chgconfig & TPS_CHARGE_RESET) ? " reset" : "", - (chgconfig & TPS_CHARGE_FAST) ? " fast" : "", - ({int p; switch ((chgconfig >> 3) & 3) { - case 3: p = 100; break; - case 2: p = 75; break; - case 1: p = 50; break; - default: p = 25; break; - }; p; }), - (chgconfig & TPS_VBUS_CHARGING) - ? ((chgconfig & TPS_VBUS_500MA) ? 500 : 100) - : 0, - (chgconfig & TPS_CHARGE_ENABLE) ? "" : "No"); -} - -#endif - -#ifdef DEBUG - -static void show_chgstatus(const char *label, u8 chgstatus) -{ - char buf [100]; - - dbg_chgstat(buf, sizeof buf, chgstatus); - pr_debug("%s: %s %s", DRIVER_NAME, label, buf); -} - -static void show_regstatus(const char *label, u8 regstatus) -{ - char buf [100]; - - dbg_regstat(buf, sizeof buf, regstatus); - pr_debug("%s: %s %s", DRIVER_NAME, label, buf); -} - -static void show_chgconfig(int por, const char *label, u8 chgconfig) -{ - char buf [100]; - - dbg_chgconf(por, buf, sizeof buf, chgconfig); - pr_debug("%s: %s %s", DRIVER_NAME, label, buf); -} - -#else - -static inline void show_chgstatus(const char *label, u8 chgstatus) { } -static inline void show_regstatus(const char *label, u8 chgstatus) { } -static inline void show_chgconfig(int por, const char *label, u8 chgconfig) { } - -#endif - -#ifdef CONFIG_DEBUG_FS - -static int dbg_show(struct seq_file *s, void *_) -{ - struct tps65010 *tps = s->private; - u8 value, v2; - unsigned i; - char buf[100]; - const char *chip; - - switch (tps->model) { - case TPS65010: chip = "tps65010"; break; - case TPS65011: chip = "tps65011"; break; - case TPS65012: chip = "tps65012"; break; - case TPS65013: chip = "tps65013"; break; - default: chip = NULL; break; - } - seq_printf(s, "driver %s\nversion %s\nchip %s\n\n", - DRIVER_NAME, DRIVER_VERSION, chip); - - mutex_lock(&tps->lock); - - /* FIXME how can we tell whether a battery is present? - * likely involves a charge gauging chip (like BQ26501). - */ - - seq_printf(s, "%scharging\n\n", tps->charging ? "" : "(not) "); - - - /* registers for monitoring battery charging and status; note - * that reading chgstat and regstat may ack IRQs... - */ - value = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); - dbg_chgconf(tps->por, buf, sizeof buf, value); - seq_printf(s, "chgconfig %s", buf); - - value = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); - dbg_chgstat(buf, sizeof buf, value); - seq_printf(s, "chgstat %s", buf); - value = i2c_smbus_read_byte_data(tps->client, TPS_MASK1); - dbg_chgstat(buf, sizeof buf, value); - seq_printf(s, "mask1 %s", buf); - /* ignore ackint1 */ - - value = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); - dbg_regstat(buf, sizeof buf, value); - seq_printf(s, "regstat %s", buf); - value = i2c_smbus_read_byte_data(tps->client, TPS_MASK2); - dbg_regstat(buf, sizeof buf, value); - seq_printf(s, "mask2 %s\n", buf); - /* ignore ackint2 */ - - (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); - - - /* VMAIN voltage, enable lowpower, etc */ - value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1); - seq_printf(s, "vdcdc1 %02x\n", value); - - /* VCORE voltage, vibrator on/off */ - value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC2); - seq_printf(s, "vdcdc2 %02x\n", value); - - /* both LD0s, and their lowpower behavior */ - value = i2c_smbus_read_byte_data(tps->client, TPS_VREGS1); - seq_printf(s, "vregs1 %02x\n\n", value); - - - /* LEDs and GPIOs */ - value = i2c_smbus_read_byte_data(tps->client, TPS_LED1_ON); - v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED1_PER); - seq_printf(s, "led1 %s, on=%02x, per=%02x, %d/%d msec\n", - (value & 0x80) - ? ((v2 & 0x80) ? "on" : "off") - : ((v2 & 0x80) ? "blink" : "(nPG)"), - value, v2, - (value & 0x7f) * 10, (v2 & 0x7f) * 100); - - value = i2c_smbus_read_byte_data(tps->client, TPS_LED2_ON); - v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED2_PER); - seq_printf(s, "led2 %s, on=%02x, per=%02x, %d/%d msec\n", - (value & 0x80) - ? ((v2 & 0x80) ? "on" : "off") - : ((v2 & 0x80) ? "blink" : "off"), - value, v2, - (value & 0x7f) * 10, (v2 & 0x7f) * 100); - - value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); - v2 = i2c_smbus_read_byte_data(tps->client, TPS_MASK3); - seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2); - - for (i = 0; i < 4; i++) { - if (value & (1 << (4 + i))) - seq_printf(s, " gpio%d-out %s\n", i + 1, - (value & (1 << i)) ? "low" : "hi "); - else - seq_printf(s, " gpio%d-in %s %s %s\n", i + 1, - (value & (1 << i)) ? "hi " : "low", - (v2 & (1 << i)) ? "no-irq" : "irq", - (v2 & (1 << (4 + i))) ? "rising" : "falling"); - } - - mutex_unlock(&tps->lock); - return 0; -} - -static int dbg_tps_open(struct inode *inode, struct file *file) -{ - return single_open(file, dbg_show, inode->i_private); -} - -static const struct file_operations debug_fops = { - .open = dbg_tps_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -#define DEBUG_FOPS &debug_fops - -#else -#define DEBUG_FOPS NULL -#endif - -/*-------------------------------------------------------------------------*/ - -/* handle IRQS in a task context, so we can use I2C calls */ -static void tps65010_interrupt(struct tps65010 *tps) -{ - u8 tmp = 0, mask, poll; - - /* IRQs won't trigger for certain events, but we can get - * others by polling (normally, with external power applied). - */ - poll = 0; - - /* regstatus irqs */ - if (tps->nmask2) { - tmp = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); - mask = tmp ^ tps->regstatus; - tps->regstatus = tmp; - mask &= tps->nmask2; - } else - mask = 0; - if (mask) { - tps->regstatus = tmp; - /* may need to shut something down ... */ - - /* "off" usually means deep sleep */ - if (tmp & TPS_REG_ONOFF) { - pr_info("%s: power off button\n", DRIVER_NAME); -#if 0 - /* REVISIT: this might need its own workqueue - * plus tweaks including deadlock avoidance ... - * also needs to get error handling and probably - * an #ifdef CONFIG_HIBERNATION - */ - hibernate(); -#endif - poll = 1; - } - } - - /* chgstatus irqs */ - if (tps->nmask1) { - tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); - mask = tmp ^ tps->chgstatus; - tps->chgstatus = tmp; - mask &= tps->nmask1; - } else - mask = 0; - if (mask) { - unsigned charging = 0; - - show_chgstatus("chg/irq", tmp); - if (tmp & (TPS_CHG_USB|TPS_CHG_AC)) - show_chgconfig(tps->por, "conf", tps->chgconf); - - /* Unless it was turned off or disabled, we charge any - * battery whenever there's power available for it - * and the charger hasn't been disabled. - */ - if (!(tps->chgstatus & ~(TPS_CHG_USB|TPS_CHG_AC)) - && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) - && (tps->chgconf & TPS_CHARGE_ENABLE) - ) { - if (tps->chgstatus & TPS_CHG_USB) { - /* VBUS options are readonly until reconnect */ - if (mask & TPS_CHG_USB) - set_bit(FLAG_VBUS_CHANGED, &tps->flags); - charging = 1; - } else if (tps->chgstatus & TPS_CHG_AC) - charging = 1; - } - if (charging != tps->charging) { - tps->charging = charging; - pr_info("%s: battery %scharging\n", - DRIVER_NAME, charging ? "" : - ((tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) - ? "NOT " : "dis")); - } - } - - /* always poll to detect (a) power removal, without tps65013 - * NO_CHG IRQ; or (b) restart of charging after stop. - */ - if ((tps->model != TPS65013 || !tps->charging) - && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))) - poll = 1; - if (poll) - (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); - - /* also potentially gpio-in rise or fall */ -} - -/* handle IRQs and polling using keventd for now */ -static void tps65010_work(struct work_struct *work) -{ - struct tps65010 *tps; - - tps = container_of(work, struct tps65010, work.work); - mutex_lock(&tps->lock); - - tps65010_interrupt(tps); - - if (test_and_clear_bit(FLAG_VBUS_CHANGED, &tps->flags)) { - int status; - u8 chgconfig, tmp; - - chgconfig = i2c_smbus_read_byte_data(tps->client, - TPS_CHGCONFIG); - chgconfig &= ~(TPS_VBUS_500MA | TPS_VBUS_CHARGING); - if (tps->vbus == 500) - chgconfig |= TPS_VBUS_500MA | TPS_VBUS_CHARGING; - else if (tps->vbus >= 100) - chgconfig |= TPS_VBUS_CHARGING; - - status = i2c_smbus_write_byte_data(tps->client, - TPS_CHGCONFIG, chgconfig); - - /* vbus update fails unless VBUS is connected! */ - tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); - tps->chgconf = tmp; - show_chgconfig(tps->por, "update vbus", tmp); - } - - if (test_and_clear_bit(FLAG_IRQ_ENABLE, &tps->flags)) - enable_irq(tps->client->irq); - - mutex_unlock(&tps->lock); -} - -static irqreturn_t tps65010_irq(int irq, void *_tps) -{ - struct tps65010 *tps = _tps; - - disable_irq_nosync(irq); - set_bit(FLAG_IRQ_ENABLE, &tps->flags); - (void) schedule_work(&tps->work.work); - return IRQ_HANDLED; -} - -/*-------------------------------------------------------------------------*/ - -/* offsets 0..3 == GPIO1..GPIO4 - * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes) - * offset 6 == vibrator motor driver - */ -static void -tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (offset < 4) - tps65010_set_gpio_out_value(offset + 1, value); - else if (offset < 6) - tps65010_set_led(offset - 3, value ? ON : OFF); - else - tps65010_set_vib(value); -} - -static int -tps65010_output(struct gpio_chip *chip, unsigned offset, int value) -{ - /* GPIOs may be input-only */ - if (offset < 4) { - struct tps65010 *tps; - - tps = container_of(chip, struct tps65010, chip); - if (!(tps->outmask & (1 << offset))) - return -EINVAL; - tps65010_set_gpio_out_value(offset + 1, value); - } else if (offset < 6) - tps65010_set_led(offset - 3, value ? ON : OFF); - else - tps65010_set_vib(value); - - return 0; -} - -static int tps65010_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - int value; - struct tps65010 *tps; - - tps = container_of(chip, struct tps65010, chip); - - if (offset < 4) { - value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); - if (value < 0) - return 0; - if (value & (1 << (offset + 4))) /* output */ - return !(value & (1 << offset)); - else /* input */ - return (value & (1 << offset)); - } - - /* REVISIT we *could* report LED1/nPG and LED2 state ... */ - return 0; -} - - -/*-------------------------------------------------------------------------*/ - -static struct tps65010 *the_tps; - -static int __exit tps65010_remove(struct i2c_client *client) -{ - struct tps65010 *tps = i2c_get_clientdata(client); - struct tps65010_board *board = client->dev.platform_data; - - if (board && board->teardown) { - int status = board->teardown(client, board->context); - if (status < 0) - dev_dbg(&client->dev, "board %s %s err %d\n", - "teardown", client->name, status); - } - if (client->irq > 0) - free_irq(client->irq, tps); - cancel_delayed_work(&tps->work); - flush_scheduled_work(); - debugfs_remove(tps->file); - kfree(tps); - i2c_set_clientdata(client, NULL); - the_tps = NULL; - return 0; -} - -static int tps65010_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct tps65010 *tps; - int status; - struct tps65010_board *board = client->dev.platform_data; - - if (the_tps) { - dev_dbg(&client->dev, "only one tps6501x chip allowed\n"); - return -ENODEV; - } - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -EINVAL; - - tps = kzalloc(sizeof *tps, GFP_KERNEL); - if (!tps) - return -ENOMEM; - - mutex_init(&tps->lock); - INIT_DELAYED_WORK(&tps->work, tps65010_work); - tps->client = client; - tps->model = id->driver_data; - - /* the IRQ is active low, but many gpio lines can't support that - * so this driver uses falling-edge triggers instead. - */ - if (client->irq > 0) { - status = request_irq(client->irq, tps65010_irq, - IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_FALLING, - DRIVER_NAME, tps); - if (status < 0) { - dev_dbg(&client->dev, "can't get IRQ %d, err %d\n", - client->irq, status); - goto fail1; - } - /* annoying race here, ideally we'd have an option - * to claim the irq now and enable it later. - * FIXME genirq IRQF_NOAUTOEN now solves that ... - */ - disable_irq(client->irq); - set_bit(FLAG_IRQ_ENABLE, &tps->flags); - } else - dev_warn(&client->dev, "IRQ not configured!\n"); - - - switch (tps->model) { - case TPS65010: - case TPS65012: - tps->por = 1; - break; - /* else CHGCONFIG.POR is replaced by AUA, enabling a WAIT mode */ - } - tps->chgconf = i2c_smbus_read_byte_data(client, TPS_CHGCONFIG); - show_chgconfig(tps->por, "conf/init", tps->chgconf); - - show_chgstatus("chg/init", - i2c_smbus_read_byte_data(client, TPS_CHGSTATUS)); - show_regstatus("reg/init", - i2c_smbus_read_byte_data(client, TPS_REGSTATUS)); - - pr_debug("%s: vdcdc1 0x%02x, vdcdc2 %02x, vregs1 %02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(client, TPS_VDCDC1), - i2c_smbus_read_byte_data(client, TPS_VDCDC2), - i2c_smbus_read_byte_data(client, TPS_VREGS1)); - pr_debug("%s: defgpio 0x%02x, mask3 0x%02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(client, TPS_DEFGPIO), - i2c_smbus_read_byte_data(client, TPS_MASK3)); - - i2c_set_clientdata(client, tps); - the_tps = tps; - -#if defined(CONFIG_USB_GADGET) && !defined(CONFIG_USB_OTG) - /* USB hosts can't draw VBUS. OTG devices could, later - * when OTG infrastructure enables it. USB peripherals - * could be relying on VBUS while booting, though. - */ - tps->vbus = 100; -#endif - - /* unmask the "interesting" irqs, then poll once to - * kickstart monitoring, initialize shadowed status - * registers, and maybe disable VBUS draw. - */ - tps->nmask1 = ~0; - (void) i2c_smbus_write_byte_data(client, TPS_MASK1, ~tps->nmask1); - - tps->nmask2 = TPS_REG_ONOFF; - if (tps->model == TPS65013) - tps->nmask2 |= TPS_REG_NO_CHG; - (void) i2c_smbus_write_byte_data(client, TPS_MASK2, ~tps->nmask2); - - (void) i2c_smbus_write_byte_data(client, TPS_MASK3, 0x0f - | i2c_smbus_read_byte_data(client, TPS_MASK3)); - - tps65010_work(&tps->work.work); - - tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL, - tps, DEBUG_FOPS); - - /* optionally register GPIOs */ - if (board && board->base > 0) { - tps->outmask = board->outmask; - - tps->chip.label = client->name; - tps->chip.dev = &client->dev; - tps->chip.owner = THIS_MODULE; - - tps->chip.set = tps65010_gpio_set; - tps->chip.direction_output = tps65010_output; - - /* NOTE: only partial support for inputs; nyet IRQs */ - tps->chip.get = tps65010_gpio_get; - - tps->chip.base = board->base; - tps->chip.ngpio = 7; - tps->chip.can_sleep = 1; - - status = gpiochip_add(&tps->chip); - if (status < 0) - dev_err(&client->dev, "can't add gpiochip, err %d\n", - status); - else if (board->setup) { - status = board->setup(client, board->context); - if (status < 0) { - dev_dbg(&client->dev, - "board %s %s err %d\n", - "setup", client->name, status); - status = 0; - } - } - } - - return 0; -fail1: - kfree(tps); - return status; -} - -static const struct i2c_device_id tps65010_id[] = { - { "tps65010", TPS65010 }, - { "tps65011", TPS65011 }, - { "tps65012", TPS65012 }, - { "tps65013", TPS65013 }, - { "tps65014", TPS65011 }, /* tps65011 charging at 6.5V max */ - { } -}; -MODULE_DEVICE_TABLE(i2c, tps65010_id); - -static struct i2c_driver tps65010_driver = { - .driver = { - .name = "tps65010", - }, - .probe = tps65010_probe, - .remove = __exit_p(tps65010_remove), - .id_table = tps65010_id, -}; - -/*-------------------------------------------------------------------------*/ - -/* Draw from VBUS: - * 0 mA -- DON'T DRAW (might supply power instead) - * 100 mA -- usb unit load (slowest charge rate) - * 500 mA -- usb high power (fast battery charge) - */ -int tps65010_set_vbus_draw(unsigned mA) -{ - unsigned long flags; - - if (!the_tps) - return -ENODEV; - - /* assumes non-SMP */ - local_irq_save(flags); - if (mA >= 500) - mA = 500; - else if (mA >= 100) - mA = 100; - else - mA = 0; - the_tps->vbus = mA; - if ((the_tps->chgstatus & TPS_CHG_USB) - && test_and_set_bit( - FLAG_VBUS_CHANGED, &the_tps->flags)) { - /* gadget drivers call this in_irq() */ - (void) schedule_work(&the_tps->work.work); - } - local_irq_restore(flags); - - return 0; -} -EXPORT_SYMBOL(tps65010_set_vbus_draw); - -/*-------------------------------------------------------------------------*/ -/* tps65010_set_gpio_out_value parameter: - * gpio: GPIO1, GPIO2, GPIO3 or GPIO4 - * value: LOW or HIGH - */ -int tps65010_set_gpio_out_value(unsigned gpio, unsigned value) -{ - int status; - unsigned defgpio; - - if (!the_tps) - return -ENODEV; - if ((gpio < GPIO1) || (gpio > GPIO4)) - return -EINVAL; - - mutex_lock(&the_tps->lock); - - defgpio = i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO); - - /* Configure GPIO for output */ - defgpio |= 1 << (gpio + 3); - - /* Writing 1 forces a logic 0 on that GPIO and vice versa */ - switch (value) { - case LOW: - defgpio |= 1 << (gpio - 1); /* set GPIO low by writing 1 */ - break; - /* case HIGH: */ - default: - defgpio &= ~(1 << (gpio - 1)); /* set GPIO high by writing 0 */ - break; - } - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_DEFGPIO, defgpio); - - pr_debug("%s: gpio%dout = %s, defgpio 0x%02x\n", DRIVER_NAME, - gpio, value ? "high" : "low", - i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO)); - - mutex_unlock(&the_tps->lock); - return status; -} -EXPORT_SYMBOL(tps65010_set_gpio_out_value); - -/*-------------------------------------------------------------------------*/ -/* tps65010_set_led parameter: - * led: LED1 or LED2 - * mode: ON, OFF or BLINK - */ -int tps65010_set_led(unsigned led, unsigned mode) -{ - int status; - unsigned led_on, led_per, offs; - - if (!the_tps) - return -ENODEV; - - if (led == LED1) - offs = 0; - else { - offs = 2; - led = LED2; - } - - mutex_lock(&the_tps->lock); - - pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led, - i2c_smbus_read_byte_data(the_tps->client, - TPS_LED1_ON + offs)); - - pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led, - i2c_smbus_read_byte_data(the_tps->client, - TPS_LED1_PER + offs)); - - switch (mode) { - case OFF: - led_on = 1 << 7; - led_per = 0 << 7; - break; - case ON: - led_on = 1 << 7; - led_per = 1 << 7; - break; - case BLINK: - led_on = 0x30 | (0 << 7); - led_per = 0x08 | (1 << 7); - break; - default: - printk(KERN_ERR "%s: Wrong mode parameter for set_led()\n", - DRIVER_NAME); - mutex_unlock(&the_tps->lock); - return -EINVAL; - } - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_LED1_ON + offs, led_on); - - if (status != 0) { - printk(KERN_ERR "%s: Failed to write led%i_on register\n", - DRIVER_NAME, led); - mutex_unlock(&the_tps->lock); - return status; - } - - pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led, - i2c_smbus_read_byte_data(the_tps->client, TPS_LED1_ON + offs)); - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_LED1_PER + offs, led_per); - - if (status != 0) { - printk(KERN_ERR "%s: Failed to write led%i_per register\n", - DRIVER_NAME, led); - mutex_unlock(&the_tps->lock); - return status; - } - - pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led, - i2c_smbus_read_byte_data(the_tps->client, - TPS_LED1_PER + offs)); - - mutex_unlock(&the_tps->lock); - - return status; -} -EXPORT_SYMBOL(tps65010_set_led); - -/*-------------------------------------------------------------------------*/ -/* tps65010_set_vib parameter: - * value: ON or OFF - */ -int tps65010_set_vib(unsigned value) -{ - int status; - unsigned vdcdc2; - - if (!the_tps) - return -ENODEV; - - mutex_lock(&the_tps->lock); - - vdcdc2 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC2); - vdcdc2 &= ~(1 << 1); - if (value) - vdcdc2 |= (1 << 1); - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_VDCDC2, vdcdc2); - - pr_debug("%s: vibrator %s\n", DRIVER_NAME, value ? "on" : "off"); - - mutex_unlock(&the_tps->lock); - return status; -} -EXPORT_SYMBOL(tps65010_set_vib); - -/*-------------------------------------------------------------------------*/ -/* tps65010_set_low_pwr parameter: - * mode: ON or OFF - */ -int tps65010_set_low_pwr(unsigned mode) -{ - int status; - unsigned vdcdc1; - - if (!the_tps) - return -ENODEV; - - mutex_lock(&the_tps->lock); - - pr_debug("%s: %s low_pwr, vdcdc1 0x%02x\n", DRIVER_NAME, - mode ? "enable" : "disable", - i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); - - vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); - - switch (mode) { - case OFF: - vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ - break; - /* case ON: */ - default: - vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ - break; - } - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_VDCDC1, vdcdc1); - - if (status != 0) - printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", - DRIVER_NAME); - else - pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); - - mutex_unlock(&the_tps->lock); - - return status; -} -EXPORT_SYMBOL(tps65010_set_low_pwr); - -/*-------------------------------------------------------------------------*/ -/* tps65010_config_vregs1 parameter: - * value to be written to VREGS1 register - * Note: The complete register is written, set all bits you need - */ -int tps65010_config_vregs1(unsigned value) -{ - int status; - - if (!the_tps) - return -ENODEV; - - mutex_lock(&the_tps->lock); - - pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_VREGS1, value); - - if (status != 0) - printk(KERN_ERR "%s: Failed to write vregs1 register\n", - DRIVER_NAME); - else - pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); - - mutex_unlock(&the_tps->lock); - - return status; -} -EXPORT_SYMBOL(tps65010_config_vregs1); - -/*-------------------------------------------------------------------------*/ -/* tps65013_set_low_pwr parameter: - * mode: ON or OFF - */ - -/* FIXME: Assumes AC or USB power is present. Setting AUA bit is not - required if power supply is through a battery */ - -int tps65013_set_low_pwr(unsigned mode) -{ - int status; - unsigned vdcdc1, chgconfig; - - if (!the_tps || the_tps->por) - return -ENODEV; - - mutex_lock(&the_tps->lock); - - pr_debug("%s: %s low_pwr, chgconfig 0x%02x vdcdc1 0x%02x\n", - DRIVER_NAME, - mode ? "enable" : "disable", - i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG), - i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); - - chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); - vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); - - switch (mode) { - case OFF: - chgconfig &= ~TPS65013_AUA; /* disable AUA bit */ - vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ - break; - /* case ON: */ - default: - chgconfig |= TPS65013_AUA; /* enable AUA bit */ - vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ - break; - } - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_CHGCONFIG, chgconfig); - if (status != 0) { - printk(KERN_ERR "%s: Failed to write chconfig register\n", - DRIVER_NAME); - mutex_unlock(&the_tps->lock); - return status; - } - - chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); - the_tps->chgconf = chgconfig; - show_chgconfig(0, "chgconf", chgconfig); - - status = i2c_smbus_write_byte_data(the_tps->client, - TPS_VDCDC1, vdcdc1); - - if (status != 0) - printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", - DRIVER_NAME); - else - pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, - i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); - - mutex_unlock(&the_tps->lock); - - return status; -} -EXPORT_SYMBOL(tps65013_set_low_pwr); - -/*-------------------------------------------------------------------------*/ - -static int __init tps_init(void) -{ - u32 tries = 3; - int status = -ENODEV; - - printk(KERN_INFO "%s: version %s\n", DRIVER_NAME, DRIVER_VERSION); - - /* some boards have startup glitches */ - while (tries--) { - status = i2c_add_driver(&tps65010_driver); - if (the_tps) - break; - i2c_del_driver(&tps65010_driver); - if (!tries) { - printk(KERN_ERR "%s: no chip?\n", DRIVER_NAME); - return -ENODEV; - } - pr_debug("%s: re-probe ...\n", DRIVER_NAME); - msleep(10); - } - - return status; -} -/* NOTE: this MUST be initialized before the other parts of the system - * that rely on it ... but after the i2c bus on which this relies. - * That is, much earlier than on PC-type systems, which don't often use - * I2C as a core system bus. - */ -subsys_initcall(tps_init); - -static void __exit tps_exit(void) -{ - i2c_del_driver(&tps65010_driver); -} -module_exit(tps_exit); - diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 02e9146..182e148 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -69,6 +69,19 @@ config UCB1400_CORE To compile this driver as a module, choose M here: the module will be called ucb1400_core. +config TPS65010 + tristate "TPS6501x Power Management chips" + depends on I2C && GPIOLIB + default y if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_OSK + help + If you say yes here you get support for the TPS6501x series of + Power Management chips. These include voltage regulators, + lithium ion/polymer battery charging, and other features that + are often used in portable devices like cell phones and cameras. + + This driver can also be built as a module. If so, the module + will be called tps65010. + config TWL4030_CORE bool "Texas Instruments TWL4030/TPS659x0 Support" depends on I2C=y && GENERIC_HARDIRQS diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 8f6cd5c..3989e30 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -19,6 +19,8 @@ wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o obj-$(CONFIG_MFD_WM8350) += wm8350.o obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o +obj-$(CONFIG_TPS65010) += tps65010.o + obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o obj-$(CONFIG_MFD_CORE) += mfd-core.o @@ -33,4 +35,4 @@ obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o endif obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o -obj-$(CONFIG_PMIC_DA903X) += da903x.o \ No newline at end of file +obj-$(CONFIG_PMIC_DA903X) += da903x.o diff --git a/drivers/mfd/tps65010.c b/drivers/mfd/tps65010.c new file mode 100644 index 0000000..acf8b9d --- /dev/null +++ b/drivers/mfd/tps65010.c @@ -0,0 +1,1072 @@ +/* + * tps65010 - driver for tps6501x power management chips + * + * Copyright (C) 2004 Texas Instruments + * Copyright (C) 2004-2005 David Brownell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include + + +/*-------------------------------------------------------------------------*/ + +#define DRIVER_VERSION "2 May 2005" +#define DRIVER_NAME (tps65010_driver.driver.name) + +MODULE_DESCRIPTION("TPS6501x Power Management Driver"); +MODULE_LICENSE("GPL"); + +static struct i2c_driver tps65010_driver; + +/*-------------------------------------------------------------------------*/ + +/* This driver handles a family of multipurpose chips, which incorporate + * voltage regulators, lithium ion/polymer battery charging, GPIOs, LEDs, + * and other features often needed in portable devices like cell phones + * or digital cameras. + * + * The tps65011 and tps65013 have different voltage settings compared + * to tps65010 and tps65012. The tps65013 has a NO_CHG status/irq. + * All except tps65010 have "wait" mode, possibly defaulted so that + * battery-insert != device-on. + * + * We could distinguish between some models by checking VDCDC1.UVLO or + * other registers, unless they've been changed already after powerup + * as part of board setup by a bootloader. + */ +enum tps_model { + TPS65010, + TPS65011, + TPS65012, + TPS65013, +}; + +struct tps65010 { + struct i2c_client *client; + struct mutex lock; + struct delayed_work work; + struct dentry *file; + unsigned charging:1; + unsigned por:1; + unsigned model:8; + u16 vbus; + unsigned long flags; +#define FLAG_VBUS_CHANGED 0 +#define FLAG_IRQ_ENABLE 1 + + /* copies of last register state */ + u8 chgstatus, regstatus, chgconf; + u8 nmask1, nmask2; + + u8 outmask; + struct gpio_chip chip; + struct platform_device *leds; +}; + +#define POWER_POLL_DELAY msecs_to_jiffies(5000) + +/*-------------------------------------------------------------------------*/ + +#if defined(DEBUG) || defined(CONFIG_DEBUG_FS) + +static void dbg_chgstat(char *buf, size_t len, u8 chgstatus) +{ + snprintf(buf, len, "%02x%s%s%s%s%s%s%s%s\n", + chgstatus, + (chgstatus & TPS_CHG_USB) ? " USB" : "", + (chgstatus & TPS_CHG_AC) ? " AC" : "", + (chgstatus & TPS_CHG_THERM) ? " therm" : "", + (chgstatus & TPS_CHG_TERM) ? " done" : + ((chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + ? " (charging)" : ""), + (chgstatus & TPS_CHG_TAPER_TMO) ? " taper_tmo" : "", + (chgstatus & TPS_CHG_CHG_TMO) ? " charge_tmo" : "", + (chgstatus & TPS_CHG_PRECHG_TMO) ? " prechg_tmo" : "", + (chgstatus & TPS_CHG_TEMP_ERR) ? " temp_err" : ""); +} + +static void dbg_regstat(char *buf, size_t len, u8 regstatus) +{ + snprintf(buf, len, "%02x %s%s%s%s%s%s%s%s\n", + regstatus, + (regstatus & TPS_REG_ONOFF) ? "off" : "(on)", + (regstatus & TPS_REG_COVER) ? " uncover" : "", + (regstatus & TPS_REG_UVLO) ? " UVLO" : "", + (regstatus & TPS_REG_NO_CHG) ? " NO_CHG" : "", + (regstatus & TPS_REG_PG_LD02) ? " ld02_bad" : "", + (regstatus & TPS_REG_PG_LD01) ? " ld01_bad" : "", + (regstatus & TPS_REG_PG_MAIN) ? " main_bad" : "", + (regstatus & TPS_REG_PG_CORE) ? " core_bad" : ""); +} + +static void dbg_chgconf(int por, char *buf, size_t len, u8 chgconfig) +{ + const char *hibit; + + if (por) + hibit = (chgconfig & TPS_CHARGE_POR) + ? "POR=69ms" : "POR=1sec"; + else + hibit = (chgconfig & TPS65013_AUA) ? "AUA" : ""; + + snprintf(buf, len, "%02x %s%s%s AC=%d%% USB=%dmA %sCharge\n", + chgconfig, hibit, + (chgconfig & TPS_CHARGE_RESET) ? " reset" : "", + (chgconfig & TPS_CHARGE_FAST) ? " fast" : "", + ({int p; switch ((chgconfig >> 3) & 3) { + case 3: p = 100; break; + case 2: p = 75; break; + case 1: p = 50; break; + default: p = 25; break; + }; p; }), + (chgconfig & TPS_VBUS_CHARGING) + ? ((chgconfig & TPS_VBUS_500MA) ? 500 : 100) + : 0, + (chgconfig & TPS_CHARGE_ENABLE) ? "" : "No"); +} + +#endif + +#ifdef DEBUG + +static void show_chgstatus(const char *label, u8 chgstatus) +{ + char buf [100]; + + dbg_chgstat(buf, sizeof buf, chgstatus); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +static void show_regstatus(const char *label, u8 regstatus) +{ + char buf [100]; + + dbg_regstat(buf, sizeof buf, regstatus); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +static void show_chgconfig(int por, const char *label, u8 chgconfig) +{ + char buf [100]; + + dbg_chgconf(por, buf, sizeof buf, chgconfig); + pr_debug("%s: %s %s", DRIVER_NAME, label, buf); +} + +#else + +static inline void show_chgstatus(const char *label, u8 chgstatus) { } +static inline void show_regstatus(const char *label, u8 chgstatus) { } +static inline void show_chgconfig(int por, const char *label, u8 chgconfig) { } + +#endif + +#ifdef CONFIG_DEBUG_FS + +static int dbg_show(struct seq_file *s, void *_) +{ + struct tps65010 *tps = s->private; + u8 value, v2; + unsigned i; + char buf[100]; + const char *chip; + + switch (tps->model) { + case TPS65010: chip = "tps65010"; break; + case TPS65011: chip = "tps65011"; break; + case TPS65012: chip = "tps65012"; break; + case TPS65013: chip = "tps65013"; break; + default: chip = NULL; break; + } + seq_printf(s, "driver %s\nversion %s\nchip %s\n\n", + DRIVER_NAME, DRIVER_VERSION, chip); + + mutex_lock(&tps->lock); + + /* FIXME how can we tell whether a battery is present? + * likely involves a charge gauging chip (like BQ26501). + */ + + seq_printf(s, "%scharging\n\n", tps->charging ? "" : "(not) "); + + + /* registers for monitoring battery charging and status; note + * that reading chgstat and regstat may ack IRQs... + */ + value = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); + dbg_chgconf(tps->por, buf, sizeof buf, value); + seq_printf(s, "chgconfig %s", buf); + + value = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); + dbg_chgstat(buf, sizeof buf, value); + seq_printf(s, "chgstat %s", buf); + value = i2c_smbus_read_byte_data(tps->client, TPS_MASK1); + dbg_chgstat(buf, sizeof buf, value); + seq_printf(s, "mask1 %s", buf); + /* ignore ackint1 */ + + value = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); + dbg_regstat(buf, sizeof buf, value); + seq_printf(s, "regstat %s", buf); + value = i2c_smbus_read_byte_data(tps->client, TPS_MASK2); + dbg_regstat(buf, sizeof buf, value); + seq_printf(s, "mask2 %s\n", buf); + /* ignore ackint2 */ + + (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); + + + /* VMAIN voltage, enable lowpower, etc */ + value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC1); + seq_printf(s, "vdcdc1 %02x\n", value); + + /* VCORE voltage, vibrator on/off */ + value = i2c_smbus_read_byte_data(tps->client, TPS_VDCDC2); + seq_printf(s, "vdcdc2 %02x\n", value); + + /* both LD0s, and their lowpower behavior */ + value = i2c_smbus_read_byte_data(tps->client, TPS_VREGS1); + seq_printf(s, "vregs1 %02x\n\n", value); + + + /* LEDs and GPIOs */ + value = i2c_smbus_read_byte_data(tps->client, TPS_LED1_ON); + v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED1_PER); + seq_printf(s, "led1 %s, on=%02x, per=%02x, %d/%d msec\n", + (value & 0x80) + ? ((v2 & 0x80) ? "on" : "off") + : ((v2 & 0x80) ? "blink" : "(nPG)"), + value, v2, + (value & 0x7f) * 10, (v2 & 0x7f) * 100); + + value = i2c_smbus_read_byte_data(tps->client, TPS_LED2_ON); + v2 = i2c_smbus_read_byte_data(tps->client, TPS_LED2_PER); + seq_printf(s, "led2 %s, on=%02x, per=%02x, %d/%d msec\n", + (value & 0x80) + ? ((v2 & 0x80) ? "on" : "off") + : ((v2 & 0x80) ? "blink" : "off"), + value, v2, + (value & 0x7f) * 10, (v2 & 0x7f) * 100); + + value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); + v2 = i2c_smbus_read_byte_data(tps->client, TPS_MASK3); + seq_printf(s, "defgpio %02x mask3 %02x\n", value, v2); + + for (i = 0; i < 4; i++) { + if (value & (1 << (4 + i))) + seq_printf(s, " gpio%d-out %s\n", i + 1, + (value & (1 << i)) ? "low" : "hi "); + else + seq_printf(s, " gpio%d-in %s %s %s\n", i + 1, + (value & (1 << i)) ? "hi " : "low", + (v2 & (1 << i)) ? "no-irq" : "irq", + (v2 & (1 << (4 + i))) ? "rising" : "falling"); + } + + mutex_unlock(&tps->lock); + return 0; +} + +static int dbg_tps_open(struct inode *inode, struct file *file) +{ + return single_open(file, dbg_show, inode->i_private); +} + +static const struct file_operations debug_fops = { + .open = dbg_tps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +#define DEBUG_FOPS &debug_fops + +#else +#define DEBUG_FOPS NULL +#endif + +/*-------------------------------------------------------------------------*/ + +/* handle IRQS in a task context, so we can use I2C calls */ +static void tps65010_interrupt(struct tps65010 *tps) +{ + u8 tmp = 0, mask, poll; + + /* IRQs won't trigger for certain events, but we can get + * others by polling (normally, with external power applied). + */ + poll = 0; + + /* regstatus irqs */ + if (tps->nmask2) { + tmp = i2c_smbus_read_byte_data(tps->client, TPS_REGSTATUS); + mask = tmp ^ tps->regstatus; + tps->regstatus = tmp; + mask &= tps->nmask2; + } else + mask = 0; + if (mask) { + tps->regstatus = tmp; + /* may need to shut something down ... */ + + /* "off" usually means deep sleep */ + if (tmp & TPS_REG_ONOFF) { + pr_info("%s: power off button\n", DRIVER_NAME); +#if 0 + /* REVISIT: this might need its own workqueue + * plus tweaks including deadlock avoidance ... + * also needs to get error handling and probably + * an #ifdef CONFIG_HIBERNATION + */ + hibernate(); +#endif + poll = 1; + } + } + + /* chgstatus irqs */ + if (tps->nmask1) { + tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGSTATUS); + mask = tmp ^ tps->chgstatus; + tps->chgstatus = tmp; + mask &= tps->nmask1; + } else + mask = 0; + if (mask) { + unsigned charging = 0; + + show_chgstatus("chg/irq", tmp); + if (tmp & (TPS_CHG_USB|TPS_CHG_AC)) + show_chgconfig(tps->por, "conf", tps->chgconf); + + /* Unless it was turned off or disabled, we charge any + * battery whenever there's power available for it + * and the charger hasn't been disabled. + */ + if (!(tps->chgstatus & ~(TPS_CHG_USB|TPS_CHG_AC)) + && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + && (tps->chgconf & TPS_CHARGE_ENABLE) + ) { + if (tps->chgstatus & TPS_CHG_USB) { + /* VBUS options are readonly until reconnect */ + if (mask & TPS_CHG_USB) + set_bit(FLAG_VBUS_CHANGED, &tps->flags); + charging = 1; + } else if (tps->chgstatus & TPS_CHG_AC) + charging = 1; + } + if (charging != tps->charging) { + tps->charging = charging; + pr_info("%s: battery %scharging\n", + DRIVER_NAME, charging ? "" : + ((tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC)) + ? "NOT " : "dis")); + } + } + + /* always poll to detect (a) power removal, without tps65013 + * NO_CHG IRQ; or (b) restart of charging after stop. + */ + if ((tps->model != TPS65013 || !tps->charging) + && (tps->chgstatus & (TPS_CHG_USB|TPS_CHG_AC))) + poll = 1; + if (poll) + (void) schedule_delayed_work(&tps->work, POWER_POLL_DELAY); + + /* also potentially gpio-in rise or fall */ +} + +/* handle IRQs and polling using keventd for now */ +static void tps65010_work(struct work_struct *work) +{ + struct tps65010 *tps; + + tps = container_of(work, struct tps65010, work.work); + mutex_lock(&tps->lock); + + tps65010_interrupt(tps); + + if (test_and_clear_bit(FLAG_VBUS_CHANGED, &tps->flags)) { + int status; + u8 chgconfig, tmp; + + chgconfig = i2c_smbus_read_byte_data(tps->client, + TPS_CHGCONFIG); + chgconfig &= ~(TPS_VBUS_500MA | TPS_VBUS_CHARGING); + if (tps->vbus == 500) + chgconfig |= TPS_VBUS_500MA | TPS_VBUS_CHARGING; + else if (tps->vbus >= 100) + chgconfig |= TPS_VBUS_CHARGING; + + status = i2c_smbus_write_byte_data(tps->client, + TPS_CHGCONFIG, chgconfig); + + /* vbus update fails unless VBUS is connected! */ + tmp = i2c_smbus_read_byte_data(tps->client, TPS_CHGCONFIG); + tps->chgconf = tmp; + show_chgconfig(tps->por, "update vbus", tmp); + } + + if (test_and_clear_bit(FLAG_IRQ_ENABLE, &tps->flags)) + enable_irq(tps->client->irq); + + mutex_unlock(&tps->lock); +} + +static irqreturn_t tps65010_irq(int irq, void *_tps) +{ + struct tps65010 *tps = _tps; + + disable_irq_nosync(irq); + set_bit(FLAG_IRQ_ENABLE, &tps->flags); + (void) schedule_work(&tps->work.work); + return IRQ_HANDLED; +} + +/*-------------------------------------------------------------------------*/ + +/* offsets 0..3 == GPIO1..GPIO4 + * offsets 4..5 == LED1/nPG, LED2 (we set one of the non-BLINK modes) + * offset 6 == vibrator motor driver + */ +static void +tps65010_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + if (offset < 4) + tps65010_set_gpio_out_value(offset + 1, value); + else if (offset < 6) + tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); +} + +static int +tps65010_output(struct gpio_chip *chip, unsigned offset, int value) +{ + /* GPIOs may be input-only */ + if (offset < 4) { + struct tps65010 *tps; + + tps = container_of(chip, struct tps65010, chip); + if (!(tps->outmask & (1 << offset))) + return -EINVAL; + tps65010_set_gpio_out_value(offset + 1, value); + } else if (offset < 6) + tps65010_set_led(offset - 3, value ? ON : OFF); + else + tps65010_set_vib(value); + + return 0; +} + +static int tps65010_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + int value; + struct tps65010 *tps; + + tps = container_of(chip, struct tps65010, chip); + + if (offset < 4) { + value = i2c_smbus_read_byte_data(tps->client, TPS_DEFGPIO); + if (value < 0) + return 0; + if (value & (1 << (offset + 4))) /* output */ + return !(value & (1 << offset)); + else /* input */ + return (value & (1 << offset)); + } + + /* REVISIT we *could* report LED1/nPG and LED2 state ... */ + return 0; +} + + +/*-------------------------------------------------------------------------*/ + +static struct tps65010 *the_tps; + +static int __exit tps65010_remove(struct i2c_client *client) +{ + struct tps65010 *tps = i2c_get_clientdata(client); + struct tps65010_board *board = client->dev.platform_data; + + if (board && board->teardown) { + int status = board->teardown(client, board->context); + if (status < 0) + dev_dbg(&client->dev, "board %s %s err %d\n", + "teardown", client->name, status); + } + if (client->irq > 0) + free_irq(client->irq, tps); + cancel_delayed_work(&tps->work); + flush_scheduled_work(); + debugfs_remove(tps->file); + kfree(tps); + i2c_set_clientdata(client, NULL); + the_tps = NULL; + return 0; +} + +static int tps65010_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct tps65010 *tps; + int status; + struct tps65010_board *board = client->dev.platform_data; + + if (the_tps) { + dev_dbg(&client->dev, "only one tps6501x chip allowed\n"); + return -ENODEV; + } + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EINVAL; + + tps = kzalloc(sizeof *tps, GFP_KERNEL); + if (!tps) + return -ENOMEM; + + mutex_init(&tps->lock); + INIT_DELAYED_WORK(&tps->work, tps65010_work); + tps->client = client; + tps->model = id->driver_data; + + /* the IRQ is active low, but many gpio lines can't support that + * so this driver uses falling-edge triggers instead. + */ + if (client->irq > 0) { + status = request_irq(client->irq, tps65010_irq, + IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_FALLING, + DRIVER_NAME, tps); + if (status < 0) { + dev_dbg(&client->dev, "can't get IRQ %d, err %d\n", + client->irq, status); + goto fail1; + } + /* annoying race here, ideally we'd have an option + * to claim the irq now and enable it later. + * FIXME genirq IRQF_NOAUTOEN now solves that ... + */ + disable_irq(client->irq); + set_bit(FLAG_IRQ_ENABLE, &tps->flags); + } else + dev_warn(&client->dev, "IRQ not configured!\n"); + + + switch (tps->model) { + case TPS65010: + case TPS65012: + tps->por = 1; + break; + /* else CHGCONFIG.POR is replaced by AUA, enabling a WAIT mode */ + } + tps->chgconf = i2c_smbus_read_byte_data(client, TPS_CHGCONFIG); + show_chgconfig(tps->por, "conf/init", tps->chgconf); + + show_chgstatus("chg/init", + i2c_smbus_read_byte_data(client, TPS_CHGSTATUS)); + show_regstatus("reg/init", + i2c_smbus_read_byte_data(client, TPS_REGSTATUS)); + + pr_debug("%s: vdcdc1 0x%02x, vdcdc2 %02x, vregs1 %02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(client, TPS_VDCDC1), + i2c_smbus_read_byte_data(client, TPS_VDCDC2), + i2c_smbus_read_byte_data(client, TPS_VREGS1)); + pr_debug("%s: defgpio 0x%02x, mask3 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(client, TPS_DEFGPIO), + i2c_smbus_read_byte_data(client, TPS_MASK3)); + + i2c_set_clientdata(client, tps); + the_tps = tps; + +#if defined(CONFIG_USB_GADGET) && !defined(CONFIG_USB_OTG) + /* USB hosts can't draw VBUS. OTG devices could, later + * when OTG infrastructure enables it. USB peripherals + * could be relying on VBUS while booting, though. + */ + tps->vbus = 100; +#endif + + /* unmask the "interesting" irqs, then poll once to + * kickstart monitoring, initialize shadowed status + * registers, and maybe disable VBUS draw. + */ + tps->nmask1 = ~0; + (void) i2c_smbus_write_byte_data(client, TPS_MASK1, ~tps->nmask1); + + tps->nmask2 = TPS_REG_ONOFF; + if (tps->model == TPS65013) + tps->nmask2 |= TPS_REG_NO_CHG; + (void) i2c_smbus_write_byte_data(client, TPS_MASK2, ~tps->nmask2); + + (void) i2c_smbus_write_byte_data(client, TPS_MASK3, 0x0f + | i2c_smbus_read_byte_data(client, TPS_MASK3)); + + tps65010_work(&tps->work.work); + + tps->file = debugfs_create_file(DRIVER_NAME, S_IRUGO, NULL, + tps, DEBUG_FOPS); + + /* optionally register GPIOs */ + if (board && board->base > 0) { + tps->outmask = board->outmask; + + tps->chip.label = client->name; + tps->chip.dev = &client->dev; + tps->chip.owner = THIS_MODULE; + + tps->chip.set = tps65010_gpio_set; + tps->chip.direction_output = tps65010_output; + + /* NOTE: only partial support for inputs; nyet IRQs */ + tps->chip.get = tps65010_gpio_get; + + tps->chip.base = board->base; + tps->chip.ngpio = 7; + tps->chip.can_sleep = 1; + + status = gpiochip_add(&tps->chip); + if (status < 0) + dev_err(&client->dev, "can't add gpiochip, err %d\n", + status); + else if (board->setup) { + status = board->setup(client, board->context); + if (status < 0) { + dev_dbg(&client->dev, + "board %s %s err %d\n", + "setup", client->name, status); + status = 0; + } + } + } + + return 0; +fail1: + kfree(tps); + return status; +} + +static const struct i2c_device_id tps65010_id[] = { + { "tps65010", TPS65010 }, + { "tps65011", TPS65011 }, + { "tps65012", TPS65012 }, + { "tps65013", TPS65013 }, + { "tps65014", TPS65011 }, /* tps65011 charging at 6.5V max */ + { } +}; +MODULE_DEVICE_TABLE(i2c, tps65010_id); + +static struct i2c_driver tps65010_driver = { + .driver = { + .name = "tps65010", + }, + .probe = tps65010_probe, + .remove = __exit_p(tps65010_remove), + .id_table = tps65010_id, +}; + +/*-------------------------------------------------------------------------*/ + +/* Draw from VBUS: + * 0 mA -- DON'T DRAW (might supply power instead) + * 100 mA -- usb unit load (slowest charge rate) + * 500 mA -- usb high power (fast battery charge) + */ +int tps65010_set_vbus_draw(unsigned mA) +{ + unsigned long flags; + + if (!the_tps) + return -ENODEV; + + /* assumes non-SMP */ + local_irq_save(flags); + if (mA >= 500) + mA = 500; + else if (mA >= 100) + mA = 100; + else + mA = 0; + the_tps->vbus = mA; + if ((the_tps->chgstatus & TPS_CHG_USB) + && test_and_set_bit( + FLAG_VBUS_CHANGED, &the_tps->flags)) { + /* gadget drivers call this in_irq() */ + (void) schedule_work(&the_tps->work.work); + } + local_irq_restore(flags); + + return 0; +} +EXPORT_SYMBOL(tps65010_set_vbus_draw); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_gpio_out_value parameter: + * gpio: GPIO1, GPIO2, GPIO3 or GPIO4 + * value: LOW or HIGH + */ +int tps65010_set_gpio_out_value(unsigned gpio, unsigned value) +{ + int status; + unsigned defgpio; + + if (!the_tps) + return -ENODEV; + if ((gpio < GPIO1) || (gpio > GPIO4)) + return -EINVAL; + + mutex_lock(&the_tps->lock); + + defgpio = i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO); + + /* Configure GPIO for output */ + defgpio |= 1 << (gpio + 3); + + /* Writing 1 forces a logic 0 on that GPIO and vice versa */ + switch (value) { + case LOW: + defgpio |= 1 << (gpio - 1); /* set GPIO low by writing 1 */ + break; + /* case HIGH: */ + default: + defgpio &= ~(1 << (gpio - 1)); /* set GPIO high by writing 0 */ + break; + } + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_DEFGPIO, defgpio); + + pr_debug("%s: gpio%dout = %s, defgpio 0x%02x\n", DRIVER_NAME, + gpio, value ? "high" : "low", + i2c_smbus_read_byte_data(the_tps->client, TPS_DEFGPIO)); + + mutex_unlock(&the_tps->lock); + return status; +} +EXPORT_SYMBOL(tps65010_set_gpio_out_value); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_led parameter: + * led: LED1 or LED2 + * mode: ON, OFF or BLINK + */ +int tps65010_set_led(unsigned led, unsigned mode) +{ + int status; + unsigned led_on, led_per, offs; + + if (!the_tps) + return -ENODEV; + + if (led == LED1) + offs = 0; + else { + offs = 2; + led = LED2; + } + + mutex_lock(&the_tps->lock); + + pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led, + i2c_smbus_read_byte_data(the_tps->client, + TPS_LED1_ON + offs)); + + pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led, + i2c_smbus_read_byte_data(the_tps->client, + TPS_LED1_PER + offs)); + + switch (mode) { + case OFF: + led_on = 1 << 7; + led_per = 0 << 7; + break; + case ON: + led_on = 1 << 7; + led_per = 1 << 7; + break; + case BLINK: + led_on = 0x30 | (0 << 7); + led_per = 0x08 | (1 << 7); + break; + default: + printk(KERN_ERR "%s: Wrong mode parameter for set_led()\n", + DRIVER_NAME); + mutex_unlock(&the_tps->lock); + return -EINVAL; + } + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_LED1_ON + offs, led_on); + + if (status != 0) { + printk(KERN_ERR "%s: Failed to write led%i_on register\n", + DRIVER_NAME, led); + mutex_unlock(&the_tps->lock); + return status; + } + + pr_debug("%s: led%i_on 0x%02x\n", DRIVER_NAME, led, + i2c_smbus_read_byte_data(the_tps->client, TPS_LED1_ON + offs)); + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_LED1_PER + offs, led_per); + + if (status != 0) { + printk(KERN_ERR "%s: Failed to write led%i_per register\n", + DRIVER_NAME, led); + mutex_unlock(&the_tps->lock); + return status; + } + + pr_debug("%s: led%i_per 0x%02x\n", DRIVER_NAME, led, + i2c_smbus_read_byte_data(the_tps->client, + TPS_LED1_PER + offs)); + + mutex_unlock(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_set_led); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_vib parameter: + * value: ON or OFF + */ +int tps65010_set_vib(unsigned value) +{ + int status; + unsigned vdcdc2; + + if (!the_tps) + return -ENODEV; + + mutex_lock(&the_tps->lock); + + vdcdc2 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC2); + vdcdc2 &= ~(1 << 1); + if (value) + vdcdc2 |= (1 << 1); + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_VDCDC2, vdcdc2); + + pr_debug("%s: vibrator %s\n", DRIVER_NAME, value ? "on" : "off"); + + mutex_unlock(&the_tps->lock); + return status; +} +EXPORT_SYMBOL(tps65010_set_vib); + +/*-------------------------------------------------------------------------*/ +/* tps65010_set_low_pwr parameter: + * mode: ON or OFF + */ +int tps65010_set_low_pwr(unsigned mode) +{ + int status; + unsigned vdcdc1; + + if (!the_tps) + return -ENODEV; + + mutex_lock(&the_tps->lock); + + pr_debug("%s: %s low_pwr, vdcdc1 0x%02x\n", DRIVER_NAME, + mode ? "enable" : "disable", + i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); + + vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); + + switch (mode) { + case OFF: + vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ + break; + /* case ON: */ + default: + vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ + break; + } + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_VDCDC1, vdcdc1); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); + + mutex_unlock(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_set_low_pwr); + +/*-------------------------------------------------------------------------*/ +/* tps65010_config_vregs1 parameter: + * value to be written to VREGS1 register + * Note: The complete register is written, set all bits you need + */ +int tps65010_config_vregs1(unsigned value) +{ + int status; + + if (!the_tps) + return -ENODEV; + + mutex_lock(&the_tps->lock); + + pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_VREGS1, value); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vregs1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vregs1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(the_tps->client, TPS_VREGS1)); + + mutex_unlock(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65010_config_vregs1); + +/*-------------------------------------------------------------------------*/ +/* tps65013_set_low_pwr parameter: + * mode: ON or OFF + */ + +/* FIXME: Assumes AC or USB power is present. Setting AUA bit is not + required if power supply is through a battery */ + +int tps65013_set_low_pwr(unsigned mode) +{ + int status; + unsigned vdcdc1, chgconfig; + + if (!the_tps || the_tps->por) + return -ENODEV; + + mutex_lock(&the_tps->lock); + + pr_debug("%s: %s low_pwr, chgconfig 0x%02x vdcdc1 0x%02x\n", + DRIVER_NAME, + mode ? "enable" : "disable", + i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG), + i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); + + chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); + vdcdc1 = i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1); + + switch (mode) { + case OFF: + chgconfig &= ~TPS65013_AUA; /* disable AUA bit */ + vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */ + break; + /* case ON: */ + default: + chgconfig |= TPS65013_AUA; /* enable AUA bit */ + vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */ + break; + } + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_CHGCONFIG, chgconfig); + if (status != 0) { + printk(KERN_ERR "%s: Failed to write chconfig register\n", + DRIVER_NAME); + mutex_unlock(&the_tps->lock); + return status; + } + + chgconfig = i2c_smbus_read_byte_data(the_tps->client, TPS_CHGCONFIG); + the_tps->chgconf = chgconfig; + show_chgconfig(0, "chgconf", chgconfig); + + status = i2c_smbus_write_byte_data(the_tps->client, + TPS_VDCDC1, vdcdc1); + + if (status != 0) + printk(KERN_ERR "%s: Failed to write vdcdc1 register\n", + DRIVER_NAME); + else + pr_debug("%s: vdcdc1 0x%02x\n", DRIVER_NAME, + i2c_smbus_read_byte_data(the_tps->client, TPS_VDCDC1)); + + mutex_unlock(&the_tps->lock); + + return status; +} +EXPORT_SYMBOL(tps65013_set_low_pwr); + +/*-------------------------------------------------------------------------*/ + +static int __init tps_init(void) +{ + u32 tries = 3; + int status = -ENODEV; + + printk(KERN_INFO "%s: version %s\n", DRIVER_NAME, DRIVER_VERSION); + + /* some boards have startup glitches */ + while (tries--) { + status = i2c_add_driver(&tps65010_driver); + if (the_tps) + break; + i2c_del_driver(&tps65010_driver); + if (!tries) { + printk(KERN_ERR "%s: no chip?\n", DRIVER_NAME); + return -ENODEV; + } + pr_debug("%s: re-probe ...\n", DRIVER_NAME); + msleep(10); + } + + return status; +} +/* NOTE: this MUST be initialized before the other parts of the system + * that rely on it ... but after the i2c bus on which this relies. + * That is, much earlier than on PC-type systems, which don't often use + * I2C as a core system bus. + */ +subsys_initcall(tps_init); + +static void __exit tps_exit(void) +{ + i2c_del_driver(&tps65010_driver); +} +module_exit(tps_exit); + -- cgit v0.10.2 From 88e75cc347f66bc20e3c2b920431fc07253d69be Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 22 Dec 2008 12:18:02 +0100 Subject: mfd: move drivers/i2c/chips/menelaus.c to drivers/mfd ove the menelaus driver from drivers/i2c/chips to drivers/mfd since it's more of a multi-function device than anything else, and since Jean is trying to vanish drivers/i2c/chips ASAP. One way to think of these chips are as the PMIC family most used with OMAP2 generation chips. Signed-off-by: David Brownell Signed-off-by: Samuel Ortiz diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index fa69c99..864ac56 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -151,16 +151,6 @@ config SENSORS_TSL2550 This driver can also be built as a module. If so, the module will be called tsl2550. -config MENELAUS - bool "TWL92330/Menelaus PM chip" - depends on I2C=y && ARCH_OMAP24XX - help - If you say yes here you get support for the Texas Instruments - TWL92330/Menelaus Power Management chip. This include voltage - regulators, Dual slot memory card tranceivers, real-time clock - and other features that are often used in portable devices like - cell phones and PDAs. - config MCU_MPC8349EMITX tristate "MPC8349E-mITX MCU driver" depends on I2C && PPC_83xx diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 0c7e2f1..8b95f41 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o obj-$(CONFIG_PCF8575) += pcf8575.o obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o -obj-$(CONFIG_MENELAUS) += menelaus.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o obj-$(CONFIG_MCU_MPC8349EMITX) += mcu_mpc8349emitx.o diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c deleted file mode 100644 index 4b364ba..0000000 --- a/drivers/i2c/chips/menelaus.c +++ /dev/null @@ -1,1285 +0,0 @@ -/* - * Copyright (C) 2004 Texas Instruments, Inc. - * - * Some parts based tps65010.c: - * Copyright (C) 2004 Texas Instruments and - * Copyright (C) 2004-2005 David Brownell - * - * Some parts based on tlv320aic24.c: - * Copyright (C) by Kai Svahn - * - * Changes for interrupt handling and clean-up by - * Tony Lindgren and Imre Deak - * Cleanup and generalized support for voltage setting by - * Juha Yrjola - * Added support for controlling VCORE and regulator sleep states, - * Amit Kucheria - * Copyright (C) 2005, 2006 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include - -#define DRIVER_NAME "menelaus" - -#define MENELAUS_I2C_ADDRESS 0x72 - -#define MENELAUS_REV 0x01 -#define MENELAUS_VCORE_CTRL1 0x02 -#define MENELAUS_VCORE_CTRL2 0x03 -#define MENELAUS_VCORE_CTRL3 0x04 -#define MENELAUS_VCORE_CTRL4 0x05 -#define MENELAUS_VCORE_CTRL5 0x06 -#define MENELAUS_DCDC_CTRL1 0x07 -#define MENELAUS_DCDC_CTRL2 0x08 -#define MENELAUS_DCDC_CTRL3 0x09 -#define MENELAUS_LDO_CTRL1 0x0A -#define MENELAUS_LDO_CTRL2 0x0B -#define MENELAUS_LDO_CTRL3 0x0C -#define MENELAUS_LDO_CTRL4 0x0D -#define MENELAUS_LDO_CTRL5 0x0E -#define MENELAUS_LDO_CTRL6 0x0F -#define MENELAUS_LDO_CTRL7 0x10 -#define MENELAUS_LDO_CTRL8 0x11 -#define MENELAUS_SLEEP_CTRL1 0x12 -#define MENELAUS_SLEEP_CTRL2 0x13 -#define MENELAUS_DEVICE_OFF 0x14 -#define MENELAUS_OSC_CTRL 0x15 -#define MENELAUS_DETECT_CTRL 0x16 -#define MENELAUS_INT_MASK1 0x17 -#define MENELAUS_INT_MASK2 0x18 -#define MENELAUS_INT_STATUS1 0x19 -#define MENELAUS_INT_STATUS2 0x1A -#define MENELAUS_INT_ACK1 0x1B -#define MENELAUS_INT_ACK2 0x1C -#define MENELAUS_GPIO_CTRL 0x1D -#define MENELAUS_GPIO_IN 0x1E -#define MENELAUS_GPIO_OUT 0x1F -#define MENELAUS_BBSMS 0x20 -#define MENELAUS_RTC_CTRL 0x21 -#define MENELAUS_RTC_UPDATE 0x22 -#define MENELAUS_RTC_SEC 0x23 -#define MENELAUS_RTC_MIN 0x24 -#define MENELAUS_RTC_HR 0x25 -#define MENELAUS_RTC_DAY 0x26 -#define MENELAUS_RTC_MON 0x27 -#define MENELAUS_RTC_YR 0x28 -#define MENELAUS_RTC_WKDAY 0x29 -#define MENELAUS_RTC_AL_SEC 0x2A -#define MENELAUS_RTC_AL_MIN 0x2B -#define MENELAUS_RTC_AL_HR 0x2C -#define MENELAUS_RTC_AL_DAY 0x2D -#define MENELAUS_RTC_AL_MON 0x2E -#define MENELAUS_RTC_AL_YR 0x2F -#define MENELAUS_RTC_COMP_MSB 0x30 -#define MENELAUS_RTC_COMP_LSB 0x31 -#define MENELAUS_S1_PULL_EN 0x32 -#define MENELAUS_S1_PULL_DIR 0x33 -#define MENELAUS_S2_PULL_EN 0x34 -#define MENELAUS_S2_PULL_DIR 0x35 -#define MENELAUS_MCT_CTRL1 0x36 -#define MENELAUS_MCT_CTRL2 0x37 -#define MENELAUS_MCT_CTRL3 0x38 -#define MENELAUS_MCT_PIN_ST 0x39 -#define MENELAUS_DEBOUNCE1 0x3A - -#define IH_MENELAUS_IRQS 12 -#define MENELAUS_MMC_S1CD_IRQ 0 /* MMC slot 1 card change */ -#define MENELAUS_MMC_S2CD_IRQ 1 /* MMC slot 2 card change */ -#define MENELAUS_MMC_S1D1_IRQ 2 /* MMC DAT1 low in slot 1 */ -#define MENELAUS_MMC_S2D1_IRQ 3 /* MMC DAT1 low in slot 2 */ -#define MENELAUS_LOWBAT_IRQ 4 /* Low battery */ -#define MENELAUS_HOTDIE_IRQ 5 /* Hot die detect */ -#define MENELAUS_UVLO_IRQ 6 /* UVLO detect */ -#define MENELAUS_TSHUT_IRQ 7 /* Thermal shutdown */ -#define MENELAUS_RTCTMR_IRQ 8 /* RTC timer */ -#define MENELAUS_RTCALM_IRQ 9 /* RTC alarm */ -#define MENELAUS_RTCERR_IRQ 10 /* RTC error */ -#define MENELAUS_PSHBTN_IRQ 11 /* Push button */ -#define MENELAUS_RESERVED12_IRQ 12 /* Reserved */ -#define MENELAUS_RESERVED13_IRQ 13 /* Reserved */ -#define MENELAUS_RESERVED14_IRQ 14 /* Reserved */ -#define MENELAUS_RESERVED15_IRQ 15 /* Reserved */ - -static void menelaus_work(struct work_struct *_menelaus); - -struct menelaus_chip { - struct mutex lock; - struct i2c_client *client; - struct work_struct work; -#ifdef CONFIG_RTC_DRV_TWL92330 - struct rtc_device *rtc; - u8 rtc_control; - unsigned uie:1; -#endif - unsigned vcore_hw_mode:1; - u8 mask1, mask2; - void (*handlers[16])(struct menelaus_chip *); - void (*mmc_callback)(void *data, u8 mask); - void *mmc_callback_data; -}; - -static struct menelaus_chip *the_menelaus; - -static int menelaus_write_reg(int reg, u8 value) -{ - int val = i2c_smbus_write_byte_data(the_menelaus->client, reg, value); - - if (val < 0) { - pr_err(DRIVER_NAME ": write error"); - return val; - } - - return 0; -} - -static int menelaus_read_reg(int reg) -{ - int val = i2c_smbus_read_byte_data(the_menelaus->client, reg); - - if (val < 0) - pr_err(DRIVER_NAME ": read error"); - - return val; -} - -static int menelaus_enable_irq(int irq) -{ - if (irq > 7) { - irq -= 8; - the_menelaus->mask2 &= ~(1 << irq); - return menelaus_write_reg(MENELAUS_INT_MASK2, - the_menelaus->mask2); - } else { - the_menelaus->mask1 &= ~(1 << irq); - return menelaus_write_reg(MENELAUS_INT_MASK1, - the_menelaus->mask1); - } -} - -static int menelaus_disable_irq(int irq) -{ - if (irq > 7) { - irq -= 8; - the_menelaus->mask2 |= (1 << irq); - return menelaus_write_reg(MENELAUS_INT_MASK2, - the_menelaus->mask2); - } else { - the_menelaus->mask1 |= (1 << irq); - return menelaus_write_reg(MENELAUS_INT_MASK1, - the_menelaus->mask1); - } -} - -static int menelaus_ack_irq(int irq) -{ - if (irq > 7) - return menelaus_write_reg(MENELAUS_INT_ACK2, 1 << (irq - 8)); - else - return menelaus_write_reg(MENELAUS_INT_ACK1, 1 << irq); -} - -/* Adds a handler for an interrupt. Does not run in interrupt context */ -static int menelaus_add_irq_work(int irq, - void (*handler)(struct menelaus_chip *)) -{ - int ret = 0; - - mutex_lock(&the_menelaus->lock); - the_menelaus->handlers[irq] = handler; - ret = menelaus_enable_irq(irq); - mutex_unlock(&the_menelaus->lock); - - return ret; -} - -/* Removes handler for an interrupt */ -static int menelaus_remove_irq_work(int irq) -{ - int ret = 0; - - mutex_lock(&the_menelaus->lock); - ret = menelaus_disable_irq(irq); - the_menelaus->handlers[irq] = NULL; - mutex_unlock(&the_menelaus->lock); - - return ret; -} - -/* - * Gets scheduled when a card detect interrupt happens. Note that in some cases - * this line is wired to card cover switch rather than the card detect switch - * in each slot. In this case the cards are not seen by menelaus. - * FIXME: Add handling for D1 too - */ -static void menelaus_mmc_cd_work(struct menelaus_chip *menelaus_hw) -{ - int reg; - unsigned char card_mask = 0; - - reg = menelaus_read_reg(MENELAUS_MCT_PIN_ST); - if (reg < 0) - return; - - if (!(reg & 0x1)) - card_mask |= (1 << 0); - - if (!(reg & 0x2)) - card_mask |= (1 << 1); - - if (menelaus_hw->mmc_callback) - menelaus_hw->mmc_callback(menelaus_hw->mmc_callback_data, - card_mask); -} - -/* - * Toggles the MMC slots between open-drain and push-pull mode. - */ -int menelaus_set_mmc_opendrain(int slot, int enable) -{ - int ret, val; - - if (slot != 1 && slot != 2) - return -EINVAL; - mutex_lock(&the_menelaus->lock); - ret = menelaus_read_reg(MENELAUS_MCT_CTRL1); - if (ret < 0) { - mutex_unlock(&the_menelaus->lock); - return ret; - } - val = ret; - if (slot == 1) { - if (enable) - val |= 1 << 2; - else - val &= ~(1 << 2); - } else { - if (enable) - val |= 1 << 3; - else - val &= ~(1 << 3); - } - ret = menelaus_write_reg(MENELAUS_MCT_CTRL1, val); - mutex_unlock(&the_menelaus->lock); - - return ret; -} -EXPORT_SYMBOL(menelaus_set_mmc_opendrain); - -int menelaus_set_slot_sel(int enable) -{ - int ret; - - mutex_lock(&the_menelaus->lock); - ret = menelaus_read_reg(MENELAUS_GPIO_CTRL); - if (ret < 0) - goto out; - ret |= 0x02; - if (enable) - ret |= 1 << 5; - else - ret &= ~(1 << 5); - ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret); -out: - mutex_unlock(&the_menelaus->lock); - return ret; -} -EXPORT_SYMBOL(menelaus_set_slot_sel); - -int menelaus_set_mmc_slot(int slot, int enable, int power, int cd_en) -{ - int ret, val; - - if (slot != 1 && slot != 2) - return -EINVAL; - if (power >= 3) - return -EINVAL; - - mutex_lock(&the_menelaus->lock); - - ret = menelaus_read_reg(MENELAUS_MCT_CTRL2); - if (ret < 0) - goto out; - val = ret; - if (slot == 1) { - if (cd_en) - val |= (1 << 4) | (1 << 6); - else - val &= ~((1 << 4) | (1 << 6)); - } else { - if (cd_en) - val |= (1 << 5) | (1 << 7); - else - val &= ~((1 << 5) | (1 << 7)); - } - ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, val); - if (ret < 0) - goto out; - - ret = menelaus_read_reg(MENELAUS_MCT_CTRL3); - if (ret < 0) - goto out; - val = ret; - if (slot == 1) { - if (enable) - val |= 1 << 0; - else - val &= ~(1 << 0); - } else { - int b; - - if (enable) - ret |= 1 << 1; - else - ret &= ~(1 << 1); - b = menelaus_read_reg(MENELAUS_MCT_CTRL2); - b &= ~0x03; - b |= power; - ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, b); - if (ret < 0) - goto out; - } - /* Disable autonomous shutdown */ - val &= ~(0x03 << 2); - ret = menelaus_write_reg(MENELAUS_MCT_CTRL3, val); -out: - mutex_unlock(&the_menelaus->lock); - return ret; -} -EXPORT_SYMBOL(menelaus_set_mmc_slot); - -int menelaus_register_mmc_callback(void (*callback)(void *data, u8 card_mask), - void *data) -{ - int ret = 0; - - the_menelaus->mmc_callback_data = data; - the_menelaus->mmc_callback = callback; - ret = menelaus_add_irq_work(MENELAUS_MMC_S1CD_IRQ, - menelaus_mmc_cd_work); - if (ret < 0) - return ret; - ret = menelaus_add_irq_work(MENELAUS_MMC_S2CD_IRQ, - menelaus_mmc_cd_work); - if (ret < 0) - return ret; - ret = menelaus_add_irq_work(MENELAUS_MMC_S1D1_IRQ, - menelaus_mmc_cd_work); - if (ret < 0) - return ret; - ret = menelaus_add_irq_work(MENELAUS_MMC_S2D1_IRQ, - menelaus_mmc_cd_work); - - return ret; -} -EXPORT_SYMBOL(menelaus_register_mmc_callback); - -void menelaus_unregister_mmc_callback(void) -{ - menelaus_remove_irq_work(MENELAUS_MMC_S1CD_IRQ); - menelaus_remove_irq_work(MENELAUS_MMC_S2CD_IRQ); - menelaus_remove_irq_work(MENELAUS_MMC_S1D1_IRQ); - menelaus_remove_irq_work(MENELAUS_MMC_S2D1_IRQ); - - the_menelaus->mmc_callback = NULL; - the_menelaus->mmc_callback_data = 0; -} -EXPORT_SYMBOL(menelaus_unregister_mmc_callback); - -struct menelaus_vtg { - const char *name; - u8 vtg_reg; - u8 vtg_shift; - u8 vtg_bits; - u8 mode_reg; -}; - -struct menelaus_vtg_value { - u16 vtg; - u16 val; -}; - -static int menelaus_set_voltage(const struct menelaus_vtg *vtg, int mV, - int vtg_val, int mode) -{ - int val, ret; - struct i2c_client *c = the_menelaus->client; - - mutex_lock(&the_menelaus->lock); - if (vtg == 0) - goto set_voltage; - - ret = menelaus_read_reg(vtg->vtg_reg); - if (ret < 0) - goto out; - val = ret & ~(((1 << vtg->vtg_bits) - 1) << vtg->vtg_shift); - val |= vtg_val << vtg->vtg_shift; - - dev_dbg(&c->dev, "Setting voltage '%s'" - "to %d mV (reg 0x%02x, val 0x%02x)\n", - vtg->name, mV, vtg->vtg_reg, val); - - ret = menelaus_write_reg(vtg->vtg_reg, val); - if (ret < 0) - goto out; -set_voltage: - ret = menelaus_write_reg(vtg->mode_reg, mode); -out: - mutex_unlock(&the_menelaus->lock); - if (ret == 0) { - /* Wait for voltage to stabilize */ - msleep(1); - } - return ret; -} - -static int menelaus_get_vtg_value(int vtg, const struct menelaus_vtg_value *tbl, - int n) -{ - int i; - - for (i = 0; i < n; i++, tbl++) - if (tbl->vtg == vtg) - return tbl->val; - return -EINVAL; -} - -/* - * Vcore can be programmed in two ways: - * SW-controlled: Required voltage is programmed into VCORE_CTRL1 - * HW-controlled: Required range (roof-floor) is programmed into VCORE_CTRL3 - * and VCORE_CTRL4 - * - * Call correct 'set' function accordingly - */ - -static const struct menelaus_vtg_value vcore_values[] = { - { 1000, 0 }, - { 1025, 1 }, - { 1050, 2 }, - { 1075, 3 }, - { 1100, 4 }, - { 1125, 5 }, - { 1150, 6 }, - { 1175, 7 }, - { 1200, 8 }, - { 1225, 9 }, - { 1250, 10 }, - { 1275, 11 }, - { 1300, 12 }, - { 1325, 13 }, - { 1350, 14 }, - { 1375, 15 }, - { 1400, 16 }, - { 1425, 17 }, - { 1450, 18 }, -}; - -int menelaus_set_vcore_sw(unsigned int mV) -{ - int val, ret; - struct i2c_client *c = the_menelaus->client; - - val = menelaus_get_vtg_value(mV, vcore_values, - ARRAY_SIZE(vcore_values)); - if (val < 0) - return -EINVAL; - - dev_dbg(&c->dev, "Setting VCORE to %d mV (val 0x%02x)\n", mV, val); - - /* Set SW mode and the voltage in one go. */ - mutex_lock(&the_menelaus->lock); - ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val); - if (ret == 0) - the_menelaus->vcore_hw_mode = 0; - mutex_unlock(&the_menelaus->lock); - msleep(1); - - return ret; -} - -int menelaus_set_vcore_hw(unsigned int roof_mV, unsigned int floor_mV) -{ - int fval, rval, val, ret; - struct i2c_client *c = the_menelaus->client; - - rval = menelaus_get_vtg_value(roof_mV, vcore_values, - ARRAY_SIZE(vcore_values)); - if (rval < 0) - return -EINVAL; - fval = menelaus_get_vtg_value(floor_mV, vcore_values, - ARRAY_SIZE(vcore_values)); - if (fval < 0) - return -EINVAL; - - dev_dbg(&c->dev, "Setting VCORE FLOOR to %d mV and ROOF to %d mV\n", - floor_mV, roof_mV); - - mutex_lock(&the_menelaus->lock); - ret = menelaus_write_reg(MENELAUS_VCORE_CTRL3, fval); - if (ret < 0) - goto out; - ret = menelaus_write_reg(MENELAUS_VCORE_CTRL4, rval); - if (ret < 0) - goto out; - if (!the_menelaus->vcore_hw_mode) { - val = menelaus_read_reg(MENELAUS_VCORE_CTRL1); - /* HW mode, turn OFF byte comparator */ - val |= ((1 << 7) | (1 << 5)); - ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val); - the_menelaus->vcore_hw_mode = 1; - } - msleep(1); -out: - mutex_unlock(&the_menelaus->lock); - return ret; -} - -static const struct menelaus_vtg vmem_vtg = { - .name = "VMEM", - .vtg_reg = MENELAUS_LDO_CTRL1, - .vtg_shift = 0, - .vtg_bits = 2, - .mode_reg = MENELAUS_LDO_CTRL3, -}; - -static const struct menelaus_vtg_value vmem_values[] = { - { 1500, 0 }, - { 1800, 1 }, - { 1900, 2 }, - { 2500, 3 }, -}; - -int menelaus_set_vmem(unsigned int mV) -{ - int val; - - if (mV == 0) - return menelaus_set_voltage(&vmem_vtg, 0, 0, 0); - - val = menelaus_get_vtg_value(mV, vmem_values, ARRAY_SIZE(vmem_values)); - if (val < 0) - return -EINVAL; - return menelaus_set_voltage(&vmem_vtg, mV, val, 0x02); -} -EXPORT_SYMBOL(menelaus_set_vmem); - -static const struct menelaus_vtg vio_vtg = { - .name = "VIO", - .vtg_reg = MENELAUS_LDO_CTRL1, - .vtg_shift = 2, - .vtg_bits = 2, - .mode_reg = MENELAUS_LDO_CTRL4, -}; - -static const struct menelaus_vtg_value vio_values[] = { - { 1500, 0 }, - { 1800, 1 }, - { 2500, 2 }, - { 2800, 3 }, -}; - -int menelaus_set_vio(unsigned int mV) -{ - int val; - - if (mV == 0) - return menelaus_set_voltage(&vio_vtg, 0, 0, 0); - - val = menelaus_get_vtg_value(mV, vio_values, ARRAY_SIZE(vio_values)); - if (val < 0) - return -EINVAL; - return menelaus_set_voltage(&vio_vtg, mV, val, 0x02); -} -EXPORT_SYMBOL(menelaus_set_vio); - -static const struct menelaus_vtg_value vdcdc_values[] = { - { 1500, 0 }, - { 1800, 1 }, - { 2000, 2 }, - { 2200, 3 }, - { 2400, 4 }, - { 2800, 5 }, - { 3000, 6 }, - { 3300, 7 }, -}; - -static const struct menelaus_vtg vdcdc2_vtg = { - .name = "VDCDC2", - .vtg_reg = MENELAUS_DCDC_CTRL1, - .vtg_shift = 0, - .vtg_bits = 3, - .mode_reg = MENELAUS_DCDC_CTRL2, -}; - -static const struct menelaus_vtg vdcdc3_vtg = { - .name = "VDCDC3", - .vtg_reg = MENELAUS_DCDC_CTRL1, - .vtg_shift = 3, - .vtg_bits = 3, - .mode_reg = MENELAUS_DCDC_CTRL3, -}; - -int menelaus_set_vdcdc(int dcdc, unsigned int mV) -{ - const struct menelaus_vtg *vtg; - int val; - - if (dcdc != 2 && dcdc != 3) - return -EINVAL; - if (dcdc == 2) - vtg = &vdcdc2_vtg; - else - vtg = &vdcdc3_vtg; - - if (mV == 0) - return menelaus_set_voltage(vtg, 0, 0, 0); - - val = menelaus_get_vtg_value(mV, vdcdc_values, - ARRAY_SIZE(vdcdc_values)); - if (val < 0) - return -EINVAL; - return menelaus_set_voltage(vtg, mV, val, 0x03); -} - -static const struct menelaus_vtg_value vmmc_values[] = { - { 1850, 0 }, - { 2800, 1 }, - { 3000, 2 }, - { 3100, 3 }, -}; - -static const struct menelaus_vtg vmmc_vtg = { - .name = "VMMC", - .vtg_reg = MENELAUS_LDO_CTRL1, - .vtg_shift = 6, - .vtg_bits = 2, - .mode_reg = MENELAUS_LDO_CTRL7, -}; - -int menelaus_set_vmmc(unsigned int mV) -{ - int val; - - if (mV == 0) - return menelaus_set_voltage(&vmmc_vtg, 0, 0, 0); - - val = menelaus_get_vtg_value(mV, vmmc_values, ARRAY_SIZE(vmmc_values)); - if (val < 0) - return -EINVAL; - return menelaus_set_voltage(&vmmc_vtg, mV, val, 0x02); -} -EXPORT_SYMBOL(menelaus_set_vmmc); - - -static const struct menelaus_vtg_value vaux_values[] = { - { 1500, 0 }, - { 1800, 1 }, - { 2500, 2 }, - { 2800, 3 }, -}; - -static const struct menelaus_vtg vaux_vtg = { - .name = "VAUX", - .vtg_reg = MENELAUS_LDO_CTRL1, - .vtg_shift = 4, - .vtg_bits = 2, - .mode_reg = MENELAUS_LDO_CTRL6, -}; - -int menelaus_set_vaux(unsigned int mV) -{ - int val; - - if (mV == 0) - return menelaus_set_voltage(&vaux_vtg, 0, 0, 0); - - val = menelaus_get_vtg_value(mV, vaux_values, ARRAY_SIZE(vaux_values)); - if (val < 0) - return -EINVAL; - return menelaus_set_voltage(&vaux_vtg, mV, val, 0x02); -} -EXPORT_SYMBOL(menelaus_set_vaux); - -int menelaus_get_slot_pin_states(void) -{ - return menelaus_read_reg(MENELAUS_MCT_PIN_ST); -} -EXPORT_SYMBOL(menelaus_get_slot_pin_states); - -int menelaus_set_regulator_sleep(int enable, u32 val) -{ - int t, ret; - struct i2c_client *c = the_menelaus->client; - - mutex_lock(&the_menelaus->lock); - ret = menelaus_write_reg(MENELAUS_SLEEP_CTRL2, val); - if (ret < 0) - goto out; - - dev_dbg(&c->dev, "regulator sleep configuration: %02x\n", val); - - ret = menelaus_read_reg(MENELAUS_GPIO_CTRL); - if (ret < 0) - goto out; - t = ((1 << 6) | 0x04); - if (enable) - ret |= t; - else - ret &= ~t; - ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret); -out: - mutex_unlock(&the_menelaus->lock); - return ret; -} - -/*-----------------------------------------------------------------------*/ - -/* Handles Menelaus interrupts. Does not run in interrupt context */ -static void menelaus_work(struct work_struct *_menelaus) -{ - struct menelaus_chip *menelaus = - container_of(_menelaus, struct menelaus_chip, work); - void (*handler)(struct menelaus_chip *menelaus); - - while (1) { - unsigned isr; - - isr = (menelaus_read_reg(MENELAUS_INT_STATUS2) - & ~menelaus->mask2) << 8; - isr |= menelaus_read_reg(MENELAUS_INT_STATUS1) - & ~menelaus->mask1; - if (!isr) - break; - - while (isr) { - int irq = fls(isr) - 1; - isr &= ~(1 << irq); - - mutex_lock(&menelaus->lock); - menelaus_disable_irq(irq); - menelaus_ack_irq(irq); - handler = menelaus->handlers[irq]; - if (handler) - handler(menelaus); - menelaus_enable_irq(irq); - mutex_unlock(&menelaus->lock); - } - } - enable_irq(menelaus->client->irq); -} - -/* - * We cannot use I2C in interrupt context, so we just schedule work. - */ -static irqreturn_t menelaus_irq(int irq, void *_menelaus) -{ - struct menelaus_chip *menelaus = _menelaus; - - disable_irq_nosync(irq); - (void)schedule_work(&menelaus->work); - - return IRQ_HANDLED; -} - -/*-----------------------------------------------------------------------*/ - -/* - * The RTC needs to be set once, then it runs on backup battery power. - * It supports alarms, including system wake alarms (from some modes); - * and 1/second IRQs if requested. - */ -#ifdef CONFIG_RTC_DRV_TWL92330 - -#define RTC_CTRL_RTC_EN (1 << 0) -#define RTC_CTRL_AL_EN (1 << 1) -#define RTC_CTRL_MODE12 (1 << 2) -#define RTC_CTRL_EVERY_MASK (3 << 3) -#define RTC_CTRL_EVERY_SEC (0 << 3) -#define RTC_CTRL_EVERY_MIN (1 << 3) -#define RTC_CTRL_EVERY_HR (2 << 3) -#define RTC_CTRL_EVERY_DAY (3 << 3) - -#define RTC_UPDATE_EVERY 0x08 - -#define RTC_HR_PM (1 << 7) - -static void menelaus_to_time(char *regs, struct rtc_time *t) -{ - t->tm_sec = bcd2bin(regs[0]); - t->tm_min = bcd2bin(regs[1]); - if (the_menelaus->rtc_control & RTC_CTRL_MODE12) { - t->tm_hour = bcd2bin(regs[2] & 0x1f) - 1; - if (regs[2] & RTC_HR_PM) - t->tm_hour += 12; - } else - t->tm_hour = bcd2bin(regs[2] & 0x3f); - t->tm_mday = bcd2bin(regs[3]); - t->tm_mon = bcd2bin(regs[4]) - 1; - t->tm_year = bcd2bin(regs[5]) + 100; -} - -static int time_to_menelaus(struct rtc_time *t, int regnum) -{ - int hour, status; - - status = menelaus_write_reg(regnum++, bin2bcd(t->tm_sec)); - if (status < 0) - goto fail; - - status = menelaus_write_reg(regnum++, bin2bcd(t->tm_min)); - if (status < 0) - goto fail; - - if (the_menelaus->rtc_control & RTC_CTRL_MODE12) { - hour = t->tm_hour + 1; - if (hour > 12) - hour = RTC_HR_PM | bin2bcd(hour - 12); - else - hour = bin2bcd(hour); - } else - hour = bin2bcd(t->tm_hour); - status = menelaus_write_reg(regnum++, hour); - if (status < 0) - goto fail; - - status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mday)); - if (status < 0) - goto fail; - - status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mon + 1)); - if (status < 0) - goto fail; - - status = menelaus_write_reg(regnum++, bin2bcd(t->tm_year - 100)); - if (status < 0) - goto fail; - - return 0; -fail: - dev_err(&the_menelaus->client->dev, "rtc write reg %02x, err %d\n", - --regnum, status); - return status; -} - -static int menelaus_read_time(struct device *dev, struct rtc_time *t) -{ - struct i2c_msg msg[2]; - char regs[7]; - int status; - - /* block read date and time registers */ - regs[0] = MENELAUS_RTC_SEC; - - msg[0].addr = MENELAUS_I2C_ADDRESS; - msg[0].flags = 0; - msg[0].len = 1; - msg[0].buf = regs; - - msg[1].addr = MENELAUS_I2C_ADDRESS; - msg[1].flags = I2C_M_RD; - msg[1].len = sizeof(regs); - msg[1].buf = regs; - - status = i2c_transfer(the_menelaus->client->adapter, msg, 2); - if (status != 2) { - dev_err(dev, "%s error %d\n", "read", status); - return -EIO; - } - - menelaus_to_time(regs, t); - t->tm_wday = bcd2bin(regs[6]); - - return 0; -} - -static int menelaus_set_time(struct device *dev, struct rtc_time *t) -{ - int status; - - /* write date and time registers */ - status = time_to_menelaus(t, MENELAUS_RTC_SEC); - if (status < 0) - return status; - status = menelaus_write_reg(MENELAUS_RTC_WKDAY, bin2bcd(t->tm_wday)); - if (status < 0) { - dev_err(&the_menelaus->client->dev, "rtc write reg %02x " - "err %d\n", MENELAUS_RTC_WKDAY, status); - return status; - } - - /* now commit the write */ - status = menelaus_write_reg(MENELAUS_RTC_UPDATE, RTC_UPDATE_EVERY); - if (status < 0) - dev_err(&the_menelaus->client->dev, "rtc commit time, err %d\n", - status); - - return 0; -} - -static int menelaus_read_alarm(struct device *dev, struct rtc_wkalrm *w) -{ - struct i2c_msg msg[2]; - char regs[6]; - int status; - - /* block read alarm registers */ - regs[0] = MENELAUS_RTC_AL_SEC; - - msg[0].addr = MENELAUS_I2C_ADDRESS; - msg[0].flags = 0; - msg[0].len = 1; - msg[0].buf = regs; - - msg[1].addr = MENELAUS_I2C_ADDRESS; - msg[1].flags = I2C_M_RD; - msg[1].len = sizeof(regs); - msg[1].buf = regs; - - status = i2c_transfer(the_menelaus->client->adapter, msg, 2); - if (status != 2) { - dev_err(dev, "%s error %d\n", "alarm read", status); - return -EIO; - } - - menelaus_to_time(regs, &w->time); - - w->enabled = !!(the_menelaus->rtc_control & RTC_CTRL_AL_EN); - - /* NOTE we *could* check if actually pending... */ - w->pending = 0; - - return 0; -} - -static int menelaus_set_alarm(struct device *dev, struct rtc_wkalrm *w) -{ - int status; - - if (the_menelaus->client->irq <= 0 && w->enabled) - return -ENODEV; - - /* clear previous alarm enable */ - if (the_menelaus->rtc_control & RTC_CTRL_AL_EN) { - the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; - status = menelaus_write_reg(MENELAUS_RTC_CTRL, - the_menelaus->rtc_control); - if (status < 0) - return status; - } - - /* write alarm registers */ - status = time_to_menelaus(&w->time, MENELAUS_RTC_AL_SEC); - if (status < 0) - return status; - - /* enable alarm if requested */ - if (w->enabled) { - the_menelaus->rtc_control |= RTC_CTRL_AL_EN; - status = menelaus_write_reg(MENELAUS_RTC_CTRL, - the_menelaus->rtc_control); - } - - return status; -} - -#ifdef CONFIG_RTC_INTF_DEV - -static void menelaus_rtc_update_work(struct menelaus_chip *m) -{ - /* report 1/sec update */ - local_irq_disable(); - rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_UF); - local_irq_enable(); -} - -static int menelaus_ioctl(struct device *dev, unsigned cmd, unsigned long arg) -{ - int status; - - if (the_menelaus->client->irq <= 0) - return -ENOIOCTLCMD; - - switch (cmd) { - /* alarm IRQ */ - case RTC_AIE_ON: - if (the_menelaus->rtc_control & RTC_CTRL_AL_EN) - return 0; - the_menelaus->rtc_control |= RTC_CTRL_AL_EN; - break; - case RTC_AIE_OFF: - if (!(the_menelaus->rtc_control & RTC_CTRL_AL_EN)) - return 0; - the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; - break; - /* 1/second "update" IRQ */ - case RTC_UIE_ON: - if (the_menelaus->uie) - return 0; - status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ); - status = menelaus_add_irq_work(MENELAUS_RTCTMR_IRQ, - menelaus_rtc_update_work); - if (status == 0) - the_menelaus->uie = 1; - return status; - case RTC_UIE_OFF: - if (!the_menelaus->uie) - return 0; - status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ); - if (status == 0) - the_menelaus->uie = 0; - return status; - default: - return -ENOIOCTLCMD; - } - return menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control); -} - -#else -#define menelaus_ioctl NULL -#endif - -/* REVISIT no compensation register support ... */ - -static const struct rtc_class_ops menelaus_rtc_ops = { - .ioctl = menelaus_ioctl, - .read_time = menelaus_read_time, - .set_time = menelaus_set_time, - .read_alarm = menelaus_read_alarm, - .set_alarm = menelaus_set_alarm, -}; - -static void menelaus_rtc_alarm_work(struct menelaus_chip *m) -{ - /* report alarm */ - local_irq_disable(); - rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_AF); - local_irq_enable(); - - /* then disable it; alarms are oneshot */ - the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; - menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control); -} - -static inline void menelaus_rtc_init(struct menelaus_chip *m) -{ - int alarm = (m->client->irq > 0); - - /* assume 32KDETEN pin is pulled high */ - if (!(menelaus_read_reg(MENELAUS_OSC_CTRL) & 0x80)) { - dev_dbg(&m->client->dev, "no 32k oscillator\n"); - return; - } - - /* support RTC alarm; it can issue wakeups */ - if (alarm) { - if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ, - menelaus_rtc_alarm_work) < 0) { - dev_err(&m->client->dev, "can't handle RTC alarm\n"); - return; - } - device_init_wakeup(&m->client->dev, 1); - } - - /* be sure RTC is enabled; allow 1/sec irqs; leave 12hr mode alone */ - m->rtc_control = menelaus_read_reg(MENELAUS_RTC_CTRL); - if (!(m->rtc_control & RTC_CTRL_RTC_EN) - || (m->rtc_control & RTC_CTRL_AL_EN) - || (m->rtc_control & RTC_CTRL_EVERY_MASK)) { - if (!(m->rtc_control & RTC_CTRL_RTC_EN)) { - dev_warn(&m->client->dev, "rtc clock needs setting\n"); - m->rtc_control |= RTC_CTRL_RTC_EN; - } - m->rtc_control &= ~RTC_CTRL_EVERY_MASK; - m->rtc_control &= ~RTC_CTRL_AL_EN; - menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control); - } - - m->rtc = rtc_device_register(DRIVER_NAME, - &m->client->dev, - &menelaus_rtc_ops, THIS_MODULE); - if (IS_ERR(m->rtc)) { - if (alarm) { - menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ); - device_init_wakeup(&m->client->dev, 0); - } - dev_err(&m->client->dev, "can't register RTC: %d\n", - (int) PTR_ERR(m->rtc)); - the_menelaus->rtc = NULL; - } -} - -#else - -static inline void menelaus_rtc_init(struct menelaus_chip *m) -{ - /* nothing */ -} - -#endif - -/*-----------------------------------------------------------------------*/ - -static struct i2c_driver menelaus_i2c_driver; - -static int menelaus_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct menelaus_chip *menelaus; - int rev = 0, val; - int err = 0; - struct menelaus_platform_data *menelaus_pdata = - client->dev.platform_data; - - if (the_menelaus) { - dev_dbg(&client->dev, "only one %s for now\n", - DRIVER_NAME); - return -ENODEV; - } - - menelaus = kzalloc(sizeof *menelaus, GFP_KERNEL); - if (!menelaus) - return -ENOMEM; - - i2c_set_clientdata(client, menelaus); - - the_menelaus = menelaus; - menelaus->client = client; - - /* If a true probe check the device */ - rev = menelaus_read_reg(MENELAUS_REV); - if (rev < 0) { - pr_err(DRIVER_NAME ": device not found"); - err = -ENODEV; - goto fail1; - } - - /* Ack and disable all Menelaus interrupts */ - menelaus_write_reg(MENELAUS_INT_ACK1, 0xff); - menelaus_write_reg(MENELAUS_INT_ACK2, 0xff); - menelaus_write_reg(MENELAUS_INT_MASK1, 0xff); - menelaus_write_reg(MENELAUS_INT_MASK2, 0xff); - menelaus->mask1 = 0xff; - menelaus->mask2 = 0xff; - - /* Set output buffer strengths */ - menelaus_write_reg(MENELAUS_MCT_CTRL1, 0x73); - - if (client->irq > 0) { - err = request_irq(client->irq, menelaus_irq, IRQF_DISABLED, - DRIVER_NAME, menelaus); - if (err) { - dev_dbg(&client->dev, "can't get IRQ %d, err %d\n", - client->irq, err); - goto fail1; - } - } - - mutex_init(&menelaus->lock); - INIT_WORK(&menelaus->work, menelaus_work); - - pr_info("Menelaus rev %d.%d\n", rev >> 4, rev & 0x0f); - - val = menelaus_read_reg(MENELAUS_VCORE_CTRL1); - if (val < 0) - goto fail2; - if (val & (1 << 7)) - menelaus->vcore_hw_mode = 1; - else - menelaus->vcore_hw_mode = 0; - - if (menelaus_pdata != NULL && menelaus_pdata->late_init != NULL) { - err = menelaus_pdata->late_init(&client->dev); - if (err < 0) - goto fail2; - } - - menelaus_rtc_init(menelaus); - - return 0; -fail2: - free_irq(client->irq, menelaus); - flush_scheduled_work(); -fail1: - kfree(menelaus); - return err; -} - -static int __exit menelaus_remove(struct i2c_client *client) -{ - struct menelaus_chip *menelaus = i2c_get_clientdata(client); - - free_irq(client->irq, menelaus); - kfree(menelaus); - i2c_set_clientdata(client, NULL); - the_menelaus = NULL; - return 0; -} - -static const struct i2c_device_id menelaus_id[] = { - { "menelaus", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, menelaus_id); - -static struct i2c_driver menelaus_i2c_driver = { - .driver = { - .name = DRIVER_NAME, - }, - .probe = menelaus_probe, - .remove = __exit_p(menelaus_remove), - .id_table = menelaus_id, -}; - -static int __init menelaus_init(void) -{ - int res; - - res = i2c_add_driver(&menelaus_i2c_driver); - if (res < 0) { - pr_err(DRIVER_NAME ": driver registration failed\n"); - return res; - } - - return 0; -} - -static void __exit menelaus_exit(void) -{ - i2c_del_driver(&menelaus_i2c_driver); - - /* FIXME: Shutdown menelaus parts that can be shut down */ -} - -MODULE_AUTHOR("Texas Instruments, Inc. (and others)"); -MODULE_DESCRIPTION("I2C interface for Menelaus."); -MODULE_LICENSE("GPL"); - -module_init(menelaus_init); -module_exit(menelaus_exit); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 182e148..416f9e7 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -82,6 +82,16 @@ config TPS65010 This driver can also be built as a module. If so, the module will be called tps65010. +config MENELAUS + bool "Texas Instruments TWL92330/Menelaus PM chip" + depends on I2C=y && ARCH_OMAP24XX + help + If you say yes here you get support for the Texas Instruments + TWL92330/Menelaus Power Management chip. This include voltage + regulators, Dual slot memory card tranceivers, real-time clock + and other features that are often used in portable devices like + cell phones and PDAs. + config TWL4030_CORE bool "Texas Instruments TWL4030/TPS659x0 Support" depends on I2C=y && GENERIC_HARDIRQS diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 3989e30..0c9418b 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_MFD_WM8350) += wm8350.o obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o obj-$(CONFIG_TPS65010) += tps65010.o +obj-$(CONFIG_MENELAUS) += menelaus.o obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c new file mode 100644 index 0000000..4b364ba --- /dev/null +++ b/drivers/mfd/menelaus.c @@ -0,0 +1,1285 @@ +/* + * Copyright (C) 2004 Texas Instruments, Inc. + * + * Some parts based tps65010.c: + * Copyright (C) 2004 Texas Instruments and + * Copyright (C) 2004-2005 David Brownell + * + * Some parts based on tlv320aic24.c: + * Copyright (C) by Kai Svahn + * + * Changes for interrupt handling and clean-up by + * Tony Lindgren and Imre Deak + * Cleanup and generalized support for voltage setting by + * Juha Yrjola + * Added support for controlling VCORE and regulator sleep states, + * Amit Kucheria + * Copyright (C) 2005, 2006 Nokia Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#define DRIVER_NAME "menelaus" + +#define MENELAUS_I2C_ADDRESS 0x72 + +#define MENELAUS_REV 0x01 +#define MENELAUS_VCORE_CTRL1 0x02 +#define MENELAUS_VCORE_CTRL2 0x03 +#define MENELAUS_VCORE_CTRL3 0x04 +#define MENELAUS_VCORE_CTRL4 0x05 +#define MENELAUS_VCORE_CTRL5 0x06 +#define MENELAUS_DCDC_CTRL1 0x07 +#define MENELAUS_DCDC_CTRL2 0x08 +#define MENELAUS_DCDC_CTRL3 0x09 +#define MENELAUS_LDO_CTRL1 0x0A +#define MENELAUS_LDO_CTRL2 0x0B +#define MENELAUS_LDO_CTRL3 0x0C +#define MENELAUS_LDO_CTRL4 0x0D +#define MENELAUS_LDO_CTRL5 0x0E +#define MENELAUS_LDO_CTRL6 0x0F +#define MENELAUS_LDO_CTRL7 0x10 +#define MENELAUS_LDO_CTRL8 0x11 +#define MENELAUS_SLEEP_CTRL1 0x12 +#define MENELAUS_SLEEP_CTRL2 0x13 +#define MENELAUS_DEVICE_OFF 0x14 +#define MENELAUS_OSC_CTRL 0x15 +#define MENELAUS_DETECT_CTRL 0x16 +#define MENELAUS_INT_MASK1 0x17 +#define MENELAUS_INT_MASK2 0x18 +#define MENELAUS_INT_STATUS1 0x19 +#define MENELAUS_INT_STATUS2 0x1A +#define MENELAUS_INT_ACK1 0x1B +#define MENELAUS_INT_ACK2 0x1C +#define MENELAUS_GPIO_CTRL 0x1D +#define MENELAUS_GPIO_IN 0x1E +#define MENELAUS_GPIO_OUT 0x1F +#define MENELAUS_BBSMS 0x20 +#define MENELAUS_RTC_CTRL 0x21 +#define MENELAUS_RTC_UPDATE 0x22 +#define MENELAUS_RTC_SEC 0x23 +#define MENELAUS_RTC_MIN 0x24 +#define MENELAUS_RTC_HR 0x25 +#define MENELAUS_RTC_DAY 0x26 +#define MENELAUS_RTC_MON 0x27 +#define MENELAUS_RTC_YR 0x28 +#define MENELAUS_RTC_WKDAY 0x29 +#define MENELAUS_RTC_AL_SEC 0x2A +#define MENELAUS_RTC_AL_MIN 0x2B +#define MENELAUS_RTC_AL_HR 0x2C +#define MENELAUS_RTC_AL_DAY 0x2D +#define MENELAUS_RTC_AL_MON 0x2E +#define MENELAUS_RTC_AL_YR 0x2F +#define MENELAUS_RTC_COMP_MSB 0x30 +#define MENELAUS_RTC_COMP_LSB 0x31 +#define MENELAUS_S1_PULL_EN 0x32 +#define MENELAUS_S1_PULL_DIR 0x33 +#define MENELAUS_S2_PULL_EN 0x34 +#define MENELAUS_S2_PULL_DIR 0x35 +#define MENELAUS_MCT_CTRL1 0x36 +#define MENELAUS_MCT_CTRL2 0x37 +#define MENELAUS_MCT_CTRL3 0x38 +#define MENELAUS_MCT_PIN_ST 0x39 +#define MENELAUS_DEBOUNCE1 0x3A + +#define IH_MENELAUS_IRQS 12 +#define MENELAUS_MMC_S1CD_IRQ 0 /* MMC slot 1 card change */ +#define MENELAUS_MMC_S2CD_IRQ 1 /* MMC slot 2 card change */ +#define MENELAUS_MMC_S1D1_IRQ 2 /* MMC DAT1 low in slot 1 */ +#define MENELAUS_MMC_S2D1_IRQ 3 /* MMC DAT1 low in slot 2 */ +#define MENELAUS_LOWBAT_IRQ 4 /* Low battery */ +#define MENELAUS_HOTDIE_IRQ 5 /* Hot die detect */ +#define MENELAUS_UVLO_IRQ 6 /* UVLO detect */ +#define MENELAUS_TSHUT_IRQ 7 /* Thermal shutdown */ +#define MENELAUS_RTCTMR_IRQ 8 /* RTC timer */ +#define MENELAUS_RTCALM_IRQ 9 /* RTC alarm */ +#define MENELAUS_RTCERR_IRQ 10 /* RTC error */ +#define MENELAUS_PSHBTN_IRQ 11 /* Push button */ +#define MENELAUS_RESERVED12_IRQ 12 /* Reserved */ +#define MENELAUS_RESERVED13_IRQ 13 /* Reserved */ +#define MENELAUS_RESERVED14_IRQ 14 /* Reserved */ +#define MENELAUS_RESERVED15_IRQ 15 /* Reserved */ + +static void menelaus_work(struct work_struct *_menelaus); + +struct menelaus_chip { + struct mutex lock; + struct i2c_client *client; + struct work_struct work; +#ifdef CONFIG_RTC_DRV_TWL92330 + struct rtc_device *rtc; + u8 rtc_control; + unsigned uie:1; +#endif + unsigned vcore_hw_mode:1; + u8 mask1, mask2; + void (*handlers[16])(struct menelaus_chip *); + void (*mmc_callback)(void *data, u8 mask); + void *mmc_callback_data; +}; + +static struct menelaus_chip *the_menelaus; + +static int menelaus_write_reg(int reg, u8 value) +{ + int val = i2c_smbus_write_byte_data(the_menelaus->client, reg, value); + + if (val < 0) { + pr_err(DRIVER_NAME ": write error"); + return val; + } + + return 0; +} + +static int menelaus_read_reg(int reg) +{ + int val = i2c_smbus_read_byte_data(the_menelaus->client, reg); + + if (val < 0) + pr_err(DRIVER_NAME ": read error"); + + return val; +} + +static int menelaus_enable_irq(int irq) +{ + if (irq > 7) { + irq -= 8; + the_menelaus->mask2 &= ~(1 << irq); + return menelaus_write_reg(MENELAUS_INT_MASK2, + the_menelaus->mask2); + } else { + the_menelaus->mask1 &= ~(1 << irq); + return menelaus_write_reg(MENELAUS_INT_MASK1, + the_menelaus->mask1); + } +} + +static int menelaus_disable_irq(int irq) +{ + if (irq > 7) { + irq -= 8; + the_menelaus->mask2 |= (1 << irq); + return menelaus_write_reg(MENELAUS_INT_MASK2, + the_menelaus->mask2); + } else { + the_menelaus->mask1 |= (1 << irq); + return menelaus_write_reg(MENELAUS_INT_MASK1, + the_menelaus->mask1); + } +} + +static int menelaus_ack_irq(int irq) +{ + if (irq > 7) + return menelaus_write_reg(MENELAUS_INT_ACK2, 1 << (irq - 8)); + else + return menelaus_write_reg(MENELAUS_INT_ACK1, 1 << irq); +} + +/* Adds a handler for an interrupt. Does not run in interrupt context */ +static int menelaus_add_irq_work(int irq, + void (*handler)(struct menelaus_chip *)) +{ + int ret = 0; + + mutex_lock(&the_menelaus->lock); + the_menelaus->handlers[irq] = handler; + ret = menelaus_enable_irq(irq); + mutex_unlock(&the_menelaus->lock); + + return ret; +} + +/* Removes handler for an interrupt */ +static int menelaus_remove_irq_work(int irq) +{ + int ret = 0; + + mutex_lock(&the_menelaus->lock); + ret = menelaus_disable_irq(irq); + the_menelaus->handlers[irq] = NULL; + mutex_unlock(&the_menelaus->lock); + + return ret; +} + +/* + * Gets scheduled when a card detect interrupt happens. Note that in some cases + * this line is wired to card cover switch rather than the card detect switch + * in each slot. In this case the cards are not seen by menelaus. + * FIXME: Add handling for D1 too + */ +static void menelaus_mmc_cd_work(struct menelaus_chip *menelaus_hw) +{ + int reg; + unsigned char card_mask = 0; + + reg = menelaus_read_reg(MENELAUS_MCT_PIN_ST); + if (reg < 0) + return; + + if (!(reg & 0x1)) + card_mask |= (1 << 0); + + if (!(reg & 0x2)) + card_mask |= (1 << 1); + + if (menelaus_hw->mmc_callback) + menelaus_hw->mmc_callback(menelaus_hw->mmc_callback_data, + card_mask); +} + +/* + * Toggles the MMC slots between open-drain and push-pull mode. + */ +int menelaus_set_mmc_opendrain(int slot, int enable) +{ + int ret, val; + + if (slot != 1 && slot != 2) + return -EINVAL; + mutex_lock(&the_menelaus->lock); + ret = menelaus_read_reg(MENELAUS_MCT_CTRL1); + if (ret < 0) { + mutex_unlock(&the_menelaus->lock); + return ret; + } + val = ret; + if (slot == 1) { + if (enable) + val |= 1 << 2; + else + val &= ~(1 << 2); + } else { + if (enable) + val |= 1 << 3; + else + val &= ~(1 << 3); + } + ret = menelaus_write_reg(MENELAUS_MCT_CTRL1, val); + mutex_unlock(&the_menelaus->lock); + + return ret; +} +EXPORT_SYMBOL(menelaus_set_mmc_opendrain); + +int menelaus_set_slot_sel(int enable) +{ + int ret; + + mutex_lock(&the_menelaus->lock); + ret = menelaus_read_reg(MENELAUS_GPIO_CTRL); + if (ret < 0) + goto out; + ret |= 0x02; + if (enable) + ret |= 1 << 5; + else + ret &= ~(1 << 5); + ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret); +out: + mutex_unlock(&the_menelaus->lock); + return ret; +} +EXPORT_SYMBOL(menelaus_set_slot_sel); + +int menelaus_set_mmc_slot(int slot, int enable, int power, int cd_en) +{ + int ret, val; + + if (slot != 1 && slot != 2) + return -EINVAL; + if (power >= 3) + return -EINVAL; + + mutex_lock(&the_menelaus->lock); + + ret = menelaus_read_reg(MENELAUS_MCT_CTRL2); + if (ret < 0) + goto out; + val = ret; + if (slot == 1) { + if (cd_en) + val |= (1 << 4) | (1 << 6); + else + val &= ~((1 << 4) | (1 << 6)); + } else { + if (cd_en) + val |= (1 << 5) | (1 << 7); + else + val &= ~((1 << 5) | (1 << 7)); + } + ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, val); + if (ret < 0) + goto out; + + ret = menelaus_read_reg(MENELAUS_MCT_CTRL3); + if (ret < 0) + goto out; + val = ret; + if (slot == 1) { + if (enable) + val |= 1 << 0; + else + val &= ~(1 << 0); + } else { + int b; + + if (enable) + ret |= 1 << 1; + else + ret &= ~(1 << 1); + b = menelaus_read_reg(MENELAUS_MCT_CTRL2); + b &= ~0x03; + b |= power; + ret = menelaus_write_reg(MENELAUS_MCT_CTRL2, b); + if (ret < 0) + goto out; + } + /* Disable autonomous shutdown */ + val &= ~(0x03 << 2); + ret = menelaus_write_reg(MENELAUS_MCT_CTRL3, val); +out: + mutex_unlock(&the_menelaus->lock); + return ret; +} +EXPORT_SYMBOL(menelaus_set_mmc_slot); + +int menelaus_register_mmc_callback(void (*callback)(void *data, u8 card_mask), + void *data) +{ + int ret = 0; + + the_menelaus->mmc_callback_data = data; + the_menelaus->mmc_callback = callback; + ret = menelaus_add_irq_work(MENELAUS_MMC_S1CD_IRQ, + menelaus_mmc_cd_work); + if (ret < 0) + return ret; + ret = menelaus_add_irq_work(MENELAUS_MMC_S2CD_IRQ, + menelaus_mmc_cd_work); + if (ret < 0) + return ret; + ret = menelaus_add_irq_work(MENELAUS_MMC_S1D1_IRQ, + menelaus_mmc_cd_work); + if (ret < 0) + return ret; + ret = menelaus_add_irq_work(MENELAUS_MMC_S2D1_IRQ, + menelaus_mmc_cd_work); + + return ret; +} +EXPORT_SYMBOL(menelaus_register_mmc_callback); + +void menelaus_unregister_mmc_callback(void) +{ + menelaus_remove_irq_work(MENELAUS_MMC_S1CD_IRQ); + menelaus_remove_irq_work(MENELAUS_MMC_S2CD_IRQ); + menelaus_remove_irq_work(MENELAUS_MMC_S1D1_IRQ); + menelaus_remove_irq_work(MENELAUS_MMC_S2D1_IRQ); + + the_menelaus->mmc_callback = NULL; + the_menelaus->mmc_callback_data = 0; +} +EXPORT_SYMBOL(menelaus_unregister_mmc_callback); + +struct menelaus_vtg { + const char *name; + u8 vtg_reg; + u8 vtg_shift; + u8 vtg_bits; + u8 mode_reg; +}; + +struct menelaus_vtg_value { + u16 vtg; + u16 val; +}; + +static int menelaus_set_voltage(const struct menelaus_vtg *vtg, int mV, + int vtg_val, int mode) +{ + int val, ret; + struct i2c_client *c = the_menelaus->client; + + mutex_lock(&the_menelaus->lock); + if (vtg == 0) + goto set_voltage; + + ret = menelaus_read_reg(vtg->vtg_reg); + if (ret < 0) + goto out; + val = ret & ~(((1 << vtg->vtg_bits) - 1) << vtg->vtg_shift); + val |= vtg_val << vtg->vtg_shift; + + dev_dbg(&c->dev, "Setting voltage '%s'" + "to %d mV (reg 0x%02x, val 0x%02x)\n", + vtg->name, mV, vtg->vtg_reg, val); + + ret = menelaus_write_reg(vtg->vtg_reg, val); + if (ret < 0) + goto out; +set_voltage: + ret = menelaus_write_reg(vtg->mode_reg, mode); +out: + mutex_unlock(&the_menelaus->lock); + if (ret == 0) { + /* Wait for voltage to stabilize */ + msleep(1); + } + return ret; +} + +static int menelaus_get_vtg_value(int vtg, const struct menelaus_vtg_value *tbl, + int n) +{ + int i; + + for (i = 0; i < n; i++, tbl++) + if (tbl->vtg == vtg) + return tbl->val; + return -EINVAL; +} + +/* + * Vcore can be programmed in two ways: + * SW-controlled: Required voltage is programmed into VCORE_CTRL1 + * HW-controlled: Required range (roof-floor) is programmed into VCORE_CTRL3 + * and VCORE_CTRL4 + * + * Call correct 'set' function accordingly + */ + +static const struct menelaus_vtg_value vcore_values[] = { + { 1000, 0 }, + { 1025, 1 }, + { 1050, 2 }, + { 1075, 3 }, + { 1100, 4 }, + { 1125, 5 }, + { 1150, 6 }, + { 1175, 7 }, + { 1200, 8 }, + { 1225, 9 }, + { 1250, 10 }, + { 1275, 11 }, + { 1300, 12 }, + { 1325, 13 }, + { 1350, 14 }, + { 1375, 15 }, + { 1400, 16 }, + { 1425, 17 }, + { 1450, 18 }, +}; + +int menelaus_set_vcore_sw(unsigned int mV) +{ + int val, ret; + struct i2c_client *c = the_menelaus->client; + + val = menelaus_get_vtg_value(mV, vcore_values, + ARRAY_SIZE(vcore_values)); + if (val < 0) + return -EINVAL; + + dev_dbg(&c->dev, "Setting VCORE to %d mV (val 0x%02x)\n", mV, val); + + /* Set SW mode and the voltage in one go. */ + mutex_lock(&the_menelaus->lock); + ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val); + if (ret == 0) + the_menelaus->vcore_hw_mode = 0; + mutex_unlock(&the_menelaus->lock); + msleep(1); + + return ret; +} + +int menelaus_set_vcore_hw(unsigned int roof_mV, unsigned int floor_mV) +{ + int fval, rval, val, ret; + struct i2c_client *c = the_menelaus->client; + + rval = menelaus_get_vtg_value(roof_mV, vcore_values, + ARRAY_SIZE(vcore_values)); + if (rval < 0) + return -EINVAL; + fval = menelaus_get_vtg_value(floor_mV, vcore_values, + ARRAY_SIZE(vcore_values)); + if (fval < 0) + return -EINVAL; + + dev_dbg(&c->dev, "Setting VCORE FLOOR to %d mV and ROOF to %d mV\n", + floor_mV, roof_mV); + + mutex_lock(&the_menelaus->lock); + ret = menelaus_write_reg(MENELAUS_VCORE_CTRL3, fval); + if (ret < 0) + goto out; + ret = menelaus_write_reg(MENELAUS_VCORE_CTRL4, rval); + if (ret < 0) + goto out; + if (!the_menelaus->vcore_hw_mode) { + val = menelaus_read_reg(MENELAUS_VCORE_CTRL1); + /* HW mode, turn OFF byte comparator */ + val |= ((1 << 7) | (1 << 5)); + ret = menelaus_write_reg(MENELAUS_VCORE_CTRL1, val); + the_menelaus->vcore_hw_mode = 1; + } + msleep(1); +out: + mutex_unlock(&the_menelaus->lock); + return ret; +} + +static const struct menelaus_vtg vmem_vtg = { + .name = "VMEM", + .vtg_reg = MENELAUS_LDO_CTRL1, + .vtg_shift = 0, + .vtg_bits = 2, + .mode_reg = MENELAUS_LDO_CTRL3, +}; + +static const struct menelaus_vtg_value vmem_values[] = { + { 1500, 0 }, + { 1800, 1 }, + { 1900, 2 }, + { 2500, 3 }, +}; + +int menelaus_set_vmem(unsigned int mV) +{ + int val; + + if (mV == 0) + return menelaus_set_voltage(&vmem_vtg, 0, 0, 0); + + val = menelaus_get_vtg_value(mV, vmem_values, ARRAY_SIZE(vmem_values)); + if (val < 0) + return -EINVAL; + return menelaus_set_voltage(&vmem_vtg, mV, val, 0x02); +} +EXPORT_SYMBOL(menelaus_set_vmem); + +static const struct menelaus_vtg vio_vtg = { + .name = "VIO", + .vtg_reg = MENELAUS_LDO_CTRL1, + .vtg_shift = 2, + .vtg_bits = 2, + .mode_reg = MENELAUS_LDO_CTRL4, +}; + +static const struct menelaus_vtg_value vio_values[] = { + { 1500, 0 }, + { 1800, 1 }, + { 2500, 2 }, + { 2800, 3 }, +}; + +int menelaus_set_vio(unsigned int mV) +{ + int val; + + if (mV == 0) + return menelaus_set_voltage(&vio_vtg, 0, 0, 0); + + val = menelaus_get_vtg_value(mV, vio_values, ARRAY_SIZE(vio_values)); + if (val < 0) + return -EINVAL; + return menelaus_set_voltage(&vio_vtg, mV, val, 0x02); +} +EXPORT_SYMBOL(menelaus_set_vio); + +static const struct menelaus_vtg_value vdcdc_values[] = { + { 1500, 0 }, + { 1800, 1 }, + { 2000, 2 }, + { 2200, 3 }, + { 2400, 4 }, + { 2800, 5 }, + { 3000, 6 }, + { 3300, 7 }, +}; + +static const struct menelaus_vtg vdcdc2_vtg = { + .name = "VDCDC2", + .vtg_reg = MENELAUS_DCDC_CTRL1, + .vtg_shift = 0, + .vtg_bits = 3, + .mode_reg = MENELAUS_DCDC_CTRL2, +}; + +static const struct menelaus_vtg vdcdc3_vtg = { + .name = "VDCDC3", + .vtg_reg = MENELAUS_DCDC_CTRL1, + .vtg_shift = 3, + .vtg_bits = 3, + .mode_reg = MENELAUS_DCDC_CTRL3, +}; + +int menelaus_set_vdcdc(int dcdc, unsigned int mV) +{ + const struct menelaus_vtg *vtg; + int val; + + if (dcdc != 2 && dcdc != 3) + return -EINVAL; + if (dcdc == 2) + vtg = &vdcdc2_vtg; + else + vtg = &vdcdc3_vtg; + + if (mV == 0) + return menelaus_set_voltage(vtg, 0, 0, 0); + + val = menelaus_get_vtg_value(mV, vdcdc_values, + ARRAY_SIZE(vdcdc_values)); + if (val < 0) + return -EINVAL; + return menelaus_set_voltage(vtg, mV, val, 0x03); +} + +static const struct menelaus_vtg_value vmmc_values[] = { + { 1850, 0 }, + { 2800, 1 }, + { 3000, 2 }, + { 3100, 3 }, +}; + +static const struct menelaus_vtg vmmc_vtg = { + .name = "VMMC", + .vtg_reg = MENELAUS_LDO_CTRL1, + .vtg_shift = 6, + .vtg_bits = 2, + .mode_reg = MENELAUS_LDO_CTRL7, +}; + +int menelaus_set_vmmc(unsigned int mV) +{ + int val; + + if (mV == 0) + return menelaus_set_voltage(&vmmc_vtg, 0, 0, 0); + + val = menelaus_get_vtg_value(mV, vmmc_values, ARRAY_SIZE(vmmc_values)); + if (val < 0) + return -EINVAL; + return menelaus_set_voltage(&vmmc_vtg, mV, val, 0x02); +} +EXPORT_SYMBOL(menelaus_set_vmmc); + + +static const struct menelaus_vtg_value vaux_values[] = { + { 1500, 0 }, + { 1800, 1 }, + { 2500, 2 }, + { 2800, 3 }, +}; + +static const struct menelaus_vtg vaux_vtg = { + .name = "VAUX", + .vtg_reg = MENELAUS_LDO_CTRL1, + .vtg_shift = 4, + .vtg_bits = 2, + .mode_reg = MENELAUS_LDO_CTRL6, +}; + +int menelaus_set_vaux(unsigned int mV) +{ + int val; + + if (mV == 0) + return menelaus_set_voltage(&vaux_vtg, 0, 0, 0); + + val = menelaus_get_vtg_value(mV, vaux_values, ARRAY_SIZE(vaux_values)); + if (val < 0) + return -EINVAL; + return menelaus_set_voltage(&vaux_vtg, mV, val, 0x02); +} +EXPORT_SYMBOL(menelaus_set_vaux); + +int menelaus_get_slot_pin_states(void) +{ + return menelaus_read_reg(MENELAUS_MCT_PIN_ST); +} +EXPORT_SYMBOL(menelaus_get_slot_pin_states); + +int menelaus_set_regulator_sleep(int enable, u32 val) +{ + int t, ret; + struct i2c_client *c = the_menelaus->client; + + mutex_lock(&the_menelaus->lock); + ret = menelaus_write_reg(MENELAUS_SLEEP_CTRL2, val); + if (ret < 0) + goto out; + + dev_dbg(&c->dev, "regulator sleep configuration: %02x\n", val); + + ret = menelaus_read_reg(MENELAUS_GPIO_CTRL); + if (ret < 0) + goto out; + t = ((1 << 6) | 0x04); + if (enable) + ret |= t; + else + ret &= ~t; + ret = menelaus_write_reg(MENELAUS_GPIO_CTRL, ret); +out: + mutex_unlock(&the_menelaus->lock); + return ret; +} + +/*-----------------------------------------------------------------------*/ + +/* Handles Menelaus interrupts. Does not run in interrupt context */ +static void menelaus_work(struct work_struct *_menelaus) +{ + struct menelaus_chip *menelaus = + container_of(_menelaus, struct menelaus_chip, work); + void (*handler)(struct menelaus_chip *menelaus); + + while (1) { + unsigned isr; + + isr = (menelaus_read_reg(MENELAUS_INT_STATUS2) + & ~menelaus->mask2) << 8; + isr |= menelaus_read_reg(MENELAUS_INT_STATUS1) + & ~menelaus->mask1; + if (!isr) + break; + + while (isr) { + int irq = fls(isr) - 1; + isr &= ~(1 << irq); + + mutex_lock(&menelaus->lock); + menelaus_disable_irq(irq); + menelaus_ack_irq(irq); + handler = menelaus->handlers[irq]; + if (handler) + handler(menelaus); + menelaus_enable_irq(irq); + mutex_unlock(&menelaus->lock); + } + } + enable_irq(menelaus->client->irq); +} + +/* + * We cannot use I2C in interrupt context, so we just schedule work. + */ +static irqreturn_t menelaus_irq(int irq, void *_menelaus) +{ + struct menelaus_chip *menelaus = _menelaus; + + disable_irq_nosync(irq); + (void)schedule_work(&menelaus->work); + + return IRQ_HANDLED; +} + +/*-----------------------------------------------------------------------*/ + +/* + * The RTC needs to be set once, then it runs on backup battery power. + * It supports alarms, including system wake alarms (from some modes); + * and 1/second IRQs if requested. + */ +#ifdef CONFIG_RTC_DRV_TWL92330 + +#define RTC_CTRL_RTC_EN (1 << 0) +#define RTC_CTRL_AL_EN (1 << 1) +#define RTC_CTRL_MODE12 (1 << 2) +#define RTC_CTRL_EVERY_MASK (3 << 3) +#define RTC_CTRL_EVERY_SEC (0 << 3) +#define RTC_CTRL_EVERY_MIN (1 << 3) +#define RTC_CTRL_EVERY_HR (2 << 3) +#define RTC_CTRL_EVERY_DAY (3 << 3) + +#define RTC_UPDATE_EVERY 0x08 + +#define RTC_HR_PM (1 << 7) + +static void menelaus_to_time(char *regs, struct rtc_time *t) +{ + t->tm_sec = bcd2bin(regs[0]); + t->tm_min = bcd2bin(regs[1]); + if (the_menelaus->rtc_control & RTC_CTRL_MODE12) { + t->tm_hour = bcd2bin(regs[2] & 0x1f) - 1; + if (regs[2] & RTC_HR_PM) + t->tm_hour += 12; + } else + t->tm_hour = bcd2bin(regs[2] & 0x3f); + t->tm_mday = bcd2bin(regs[3]); + t->tm_mon = bcd2bin(regs[4]) - 1; + t->tm_year = bcd2bin(regs[5]) + 100; +} + +static int time_to_menelaus(struct rtc_time *t, int regnum) +{ + int hour, status; + + status = menelaus_write_reg(regnum++, bin2bcd(t->tm_sec)); + if (status < 0) + goto fail; + + status = menelaus_write_reg(regnum++, bin2bcd(t->tm_min)); + if (status < 0) + goto fail; + + if (the_menelaus->rtc_control & RTC_CTRL_MODE12) { + hour = t->tm_hour + 1; + if (hour > 12) + hour = RTC_HR_PM | bin2bcd(hour - 12); + else + hour = bin2bcd(hour); + } else + hour = bin2bcd(t->tm_hour); + status = menelaus_write_reg(regnum++, hour); + if (status < 0) + goto fail; + + status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mday)); + if (status < 0) + goto fail; + + status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mon + 1)); + if (status < 0) + goto fail; + + status = menelaus_write_reg(regnum++, bin2bcd(t->tm_year - 100)); + if (status < 0) + goto fail; + + return 0; +fail: + dev_err(&the_menelaus->client->dev, "rtc write reg %02x, err %d\n", + --regnum, status); + return status; +} + +static int menelaus_read_time(struct device *dev, struct rtc_time *t) +{ + struct i2c_msg msg[2]; + char regs[7]; + int status; + + /* block read date and time registers */ + regs[0] = MENELAUS_RTC_SEC; + + msg[0].addr = MENELAUS_I2C_ADDRESS; + msg[0].flags = 0; + msg[0].len = 1; + msg[0].buf = regs; + + msg[1].addr = MENELAUS_I2C_ADDRESS; + msg[1].flags = I2C_M_RD; + msg[1].len = sizeof(regs); + msg[1].buf = regs; + + status = i2c_transfer(the_menelaus->client->adapter, msg, 2); + if (status != 2) { + dev_err(dev, "%s error %d\n", "read", status); + return -EIO; + } + + menelaus_to_time(regs, t); + t->tm_wday = bcd2bin(regs[6]); + + return 0; +} + +static int menelaus_set_time(struct device *dev, struct rtc_time *t) +{ + int status; + + /* write date and time registers */ + status = time_to_menelaus(t, MENELAUS_RTC_SEC); + if (status < 0) + return status; + status = menelaus_write_reg(MENELAUS_RTC_WKDAY, bin2bcd(t->tm_wday)); + if (status < 0) { + dev_err(&the_menelaus->client->dev, "rtc write reg %02x " + "err %d\n", MENELAUS_RTC_WKDAY, status); + return status; + } + + /* now commit the write */ + status = menelaus_write_reg(MENELAUS_RTC_UPDATE, RTC_UPDATE_EVERY); + if (status < 0) + dev_err(&the_menelaus->client->dev, "rtc commit time, err %d\n", + status); + + return 0; +} + +static int menelaus_read_alarm(struct device *dev, struct rtc_wkalrm *w) +{ + struct i2c_msg msg[2]; + char regs[6]; + int status; + + /* block read alarm registers */ + regs[0] = MENELAUS_RTC_AL_SEC; + + msg[0].addr = MENELAUS_I2C_ADDRESS; + msg[0].flags = 0; + msg[0].len = 1; + msg[0].buf = regs; + + msg[1].addr = MENELAUS_I2C_ADDRESS; + msg[1].flags = I2C_M_RD; + msg[1].len = sizeof(regs); + msg[1].buf = regs; + + status = i2c_transfer(the_menelaus->client->adapter, msg, 2); + if (status != 2) { + dev_err(dev, "%s error %d\n", "alarm read", status); + return -EIO; + } + + menelaus_to_time(regs, &w->time); + + w->enabled = !!(the_menelaus->rtc_control & RTC_CTRL_AL_EN); + + /* NOTE we *could* check if actually pending... */ + w->pending = 0; + + return 0; +} + +static int menelaus_set_alarm(struct device *dev, struct rtc_wkalrm *w) +{ + int status; + + if (the_menelaus->client->irq <= 0 && w->enabled) + return -ENODEV; + + /* clear previous alarm enable */ + if (the_menelaus->rtc_control & RTC_CTRL_AL_EN) { + the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; + status = menelaus_write_reg(MENELAUS_RTC_CTRL, + the_menelaus->rtc_control); + if (status < 0) + return status; + } + + /* write alarm registers */ + status = time_to_menelaus(&w->time, MENELAUS_RTC_AL_SEC); + if (status < 0) + return status; + + /* enable alarm if requested */ + if (w->enabled) { + the_menelaus->rtc_control |= RTC_CTRL_AL_EN; + status = menelaus_write_reg(MENELAUS_RTC_CTRL, + the_menelaus->rtc_control); + } + + return status; +} + +#ifdef CONFIG_RTC_INTF_DEV + +static void menelaus_rtc_update_work(struct menelaus_chip *m) +{ + /* report 1/sec update */ + local_irq_disable(); + rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_UF); + local_irq_enable(); +} + +static int menelaus_ioctl(struct device *dev, unsigned cmd, unsigned long arg) +{ + int status; + + if (the_menelaus->client->irq <= 0) + return -ENOIOCTLCMD; + + switch (cmd) { + /* alarm IRQ */ + case RTC_AIE_ON: + if (the_menelaus->rtc_control & RTC_CTRL_AL_EN) + return 0; + the_menelaus->rtc_control |= RTC_CTRL_AL_EN; + break; + case RTC_AIE_OFF: + if (!(the_menelaus->rtc_control & RTC_CTRL_AL_EN)) + return 0; + the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; + break; + /* 1/second "update" IRQ */ + case RTC_UIE_ON: + if (the_menelaus->uie) + return 0; + status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ); + status = menelaus_add_irq_work(MENELAUS_RTCTMR_IRQ, + menelaus_rtc_update_work); + if (status == 0) + the_menelaus->uie = 1; + return status; + case RTC_UIE_OFF: + if (!the_menelaus->uie) + return 0; + status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ); + if (status == 0) + the_menelaus->uie = 0; + return status; + default: + return -ENOIOCTLCMD; + } + return menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control); +} + +#else +#define menelaus_ioctl NULL +#endif + +/* REVISIT no compensation register support ... */ + +static const struct rtc_class_ops menelaus_rtc_ops = { + .ioctl = menelaus_ioctl, + .read_time = menelaus_read_time, + .set_time = menelaus_set_time, + .read_alarm = menelaus_read_alarm, + .set_alarm = menelaus_set_alarm, +}; + +static void menelaus_rtc_alarm_work(struct menelaus_chip *m) +{ + /* report alarm */ + local_irq_disable(); + rtc_update_irq(m->rtc, 1, RTC_IRQF | RTC_AF); + local_irq_enable(); + + /* then disable it; alarms are oneshot */ + the_menelaus->rtc_control &= ~RTC_CTRL_AL_EN; + menelaus_write_reg(MENELAUS_RTC_CTRL, the_menelaus->rtc_control); +} + +static inline void menelaus_rtc_init(struct menelaus_chip *m) +{ + int alarm = (m->client->irq > 0); + + /* assume 32KDETEN pin is pulled high */ + if (!(menelaus_read_reg(MENELAUS_OSC_CTRL) & 0x80)) { + dev_dbg(&m->client->dev, "no 32k oscillator\n"); + return; + } + + /* support RTC alarm; it can issue wakeups */ + if (alarm) { + if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ, + menelaus_rtc_alarm_work) < 0) { + dev_err(&m->client->dev, "can't handle RTC alarm\n"); + return; + } + device_init_wakeup(&m->client->dev, 1); + } + + /* be sure RTC is enabled; allow 1/sec irqs; leave 12hr mode alone */ + m->rtc_control = menelaus_read_reg(MENELAUS_RTC_CTRL); + if (!(m->rtc_control & RTC_CTRL_RTC_EN) + || (m->rtc_control & RTC_CTRL_AL_EN) + || (m->rtc_control & RTC_CTRL_EVERY_MASK)) { + if (!(m->rtc_control & RTC_CTRL_RTC_EN)) { + dev_warn(&m->client->dev, "rtc clock needs setting\n"); + m->rtc_control |= RTC_CTRL_RTC_EN; + } + m->rtc_control &= ~RTC_CTRL_EVERY_MASK; + m->rtc_control &= ~RTC_CTRL_AL_EN; + menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control); + } + + m->rtc = rtc_device_register(DRIVER_NAME, + &m->client->dev, + &menelaus_rtc_ops, THIS_MODULE); + if (IS_ERR(m->rtc)) { + if (alarm) { + menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ); + device_init_wakeup(&m->client->dev, 0); + } + dev_err(&m->client->dev, "can't register RTC: %d\n", + (int) PTR_ERR(m->rtc)); + the_menelaus->rtc = NULL; + } +} + +#else + +static inline void menelaus_rtc_init(struct menelaus_chip *m) +{ + /* nothing */ +} + +#endif + +/*-----------------------------------------------------------------------*/ + +static struct i2c_driver menelaus_i2c_driver; + +static int menelaus_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct menelaus_chip *menelaus; + int rev = 0, val; + int err = 0; + struct menelaus_platform_data *menelaus_pdata = + client->dev.platform_data; + + if (the_menelaus) { + dev_dbg(&client->dev, "only one %s for now\n", + DRIVER_NAME); + return -ENODEV; + } + + menelaus = kzalloc(sizeof *menelaus, GFP_KERNEL); + if (!menelaus) + return -ENOMEM; + + i2c_set_clientdata(client, menelaus); + + the_menelaus = menelaus; + menelaus->client = client; + + /* If a true probe check the device */ + rev = menelaus_read_reg(MENELAUS_REV); + if (rev < 0) { + pr_err(DRIVER_NAME ": device not found"); + err = -ENODEV; + goto fail1; + } + + /* Ack and disable all Menelaus interrupts */ + menelaus_write_reg(MENELAUS_INT_ACK1, 0xff); + menelaus_write_reg(MENELAUS_INT_ACK2, 0xff); + menelaus_write_reg(MENELAUS_INT_MASK1, 0xff); + menelaus_write_reg(MENELAUS_INT_MASK2, 0xff); + menelaus->mask1 = 0xff; + menelaus->mask2 = 0xff; + + /* Set output buffer strengths */ + menelaus_write_reg(MENELAUS_MCT_CTRL1, 0x73); + + if (client->irq > 0) { + err = request_irq(client->irq, menelaus_irq, IRQF_DISABLED, + DRIVER_NAME, menelaus); + if (err) { + dev_dbg(&client->dev, "can't get IRQ %d, err %d\n", + client->irq, err); + goto fail1; + } + } + + mutex_init(&menelaus->lock); + INIT_WORK(&menelaus->work, menelaus_work); + + pr_info("Menelaus rev %d.%d\n", rev >> 4, rev & 0x0f); + + val = menelaus_read_reg(MENELAUS_VCORE_CTRL1); + if (val < 0) + goto fail2; + if (val & (1 << 7)) + menelaus->vcore_hw_mode = 1; + else + menelaus->vcore_hw_mode = 0; + + if (menelaus_pdata != NULL && menelaus_pdata->late_init != NULL) { + err = menelaus_pdata->late_init(&client->dev); + if (err < 0) + goto fail2; + } + + menelaus_rtc_init(menelaus); + + return 0; +fail2: + free_irq(client->irq, menelaus); + flush_scheduled_work(); +fail1: + kfree(menelaus); + return err; +} + +static int __exit menelaus_remove(struct i2c_client *client) +{ + struct menelaus_chip *menelaus = i2c_get_clientdata(client); + + free_irq(client->irq, menelaus); + kfree(menelaus); + i2c_set_clientdata(client, NULL); + the_menelaus = NULL; + return 0; +} + +static const struct i2c_device_id menelaus_id[] = { + { "menelaus", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, menelaus_id); + +static struct i2c_driver menelaus_i2c_driver = { + .driver = { + .name = DRIVER_NAME, + }, + .probe = menelaus_probe, + .remove = __exit_p(menelaus_remove), + .id_table = menelaus_id, +}; + +static int __init menelaus_init(void) +{ + int res; + + res = i2c_add_driver(&menelaus_i2c_driver); + if (res < 0) { + pr_err(DRIVER_NAME ": driver registration failed\n"); + return res; + } + + return 0; +} + +static void __exit menelaus_exit(void) +{ + i2c_del_driver(&menelaus_i2c_driver); + + /* FIXME: Shutdown menelaus parts that can be shut down */ +} + +MODULE_AUTHOR("Texas Instruments, Inc. (and others)"); +MODULE_DESCRIPTION("I2C interface for Menelaus."); +MODULE_LICENSE("GPL"); + +module_init(menelaus_init); +module_exit(menelaus_exit); -- cgit v0.10.2 From 3f874b6643e189d3d07618928ceed0013d71593e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 4 Jan 2009 15:31:49 +0100 Subject: mfd: Fix section mismatch in da903x The subdevice removal functions are marked __devexit but are referenced from the error handling path when probing so are needed even when __devexit functions are removed. Signed-off-by: Mark Brown Acked-by: Eric Miao Signed-off-by: Samuel Ortiz diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c index fcaf1f6..99f8dcf 100644 --- a/drivers/mfd/da903x.c +++ b/drivers/mfd/da903x.c @@ -447,13 +447,13 @@ static const struct i2c_device_id da903x_id_table[] = { }; MODULE_DEVICE_TABLE(i2c, da903x_id_table); -static int __devexit __remove_subdev(struct device *dev, void *unused) +static int __remove_subdev(struct device *dev, void *unused) { platform_device_unregister(to_platform_device(dev)); return 0; } -static int __devexit da903x_remove_subdevs(struct da903x_chip *chip) +static int da903x_remove_subdevs(struct da903x_chip *chip) { return device_for_each_child(chip->dev, NULL, __remove_subdev); } -- cgit v0.10.2 From 4f6b434fee2402b3decdeae9d16eb648725ae426 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 9 Dec 2008 19:50:34 -0500 Subject: don't reallocate buffer in every audit_sockaddr() No need to do that more than once per process lifetime; allocating/freeing on each sendto/accept/etc. is bloody pointless. Signed-off-by: Al Viro diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 4819f37..c2e43eb 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -174,12 +174,6 @@ struct audit_aux_data_socketcall { unsigned long args[0]; }; -struct audit_aux_data_sockaddr { - struct audit_aux_data d; - int len; - char a[0]; -}; - struct audit_aux_data_fd_pair { struct audit_aux_data d; int fd[2]; @@ -234,7 +228,8 @@ struct audit_context { struct audit_context *previous; /* For nested syscalls */ struct audit_aux_data *aux; struct audit_aux_data *aux_pids; - + struct sockaddr_storage *sockaddr; + size_t sockaddr_len; /* Save things to print about task_struct */ pid_t pid, ppid; uid_t uid, euid, suid, fsuid; @@ -921,6 +916,7 @@ static inline void audit_free_context(struct audit_context *context) free_tree_refs(context); audit_free_aux(context); kfree(context->filterkey); + kfree(context->sockaddr); kfree(context); context = previous; } while (context); @@ -1383,13 +1379,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_format(ab, " a%d=%lx", i, axs->args[i]); break; } - case AUDIT_SOCKADDR: { - struct audit_aux_data_sockaddr *axs = (void *)aux; - - audit_log_format(ab, "saddr="); - audit_log_n_hex(ab, axs->a, axs->len); - break; } - case AUDIT_FD_PAIR: { struct audit_aux_data_fd_pair *axs = (void *)aux; audit_log_format(ab, "fd0=%d fd1=%d", axs->fd[0], axs->fd[1]); @@ -1421,6 +1410,16 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_end(ab); } + if (context->sockaddr_len) { + ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR); + if (ab) { + audit_log_format(ab, "saddr="); + audit_log_n_hex(ab, (void *)context->sockaddr, + context->sockaddr_len); + audit_log_end(ab); + } + } + for (aux = context->aux_pids; aux; aux = aux->next) { struct audit_aux_data_pids *axs = (void *)aux; @@ -1689,6 +1688,7 @@ void audit_syscall_exit(int valid, long return_code) context->aux_pids = NULL; context->target_pid = 0; context->target_sid = 0; + context->sockaddr_len = 0; kfree(context->filterkey); context->filterkey = NULL; tsk->audit_context = context; @@ -2468,22 +2468,20 @@ int __audit_fd_pair(int fd1, int fd2) */ int audit_sockaddr(int len, void *a) { - struct audit_aux_data_sockaddr *ax; struct audit_context *context = current->audit_context; if (likely(!context || context->dummy)) return 0; - ax = kmalloc(sizeof(*ax) + len, GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->len = len; - memcpy(ax->a, a, len); + if (!context->sockaddr) { + void *p = kmalloc(sizeof(struct sockaddr_storage), GFP_KERNEL); + if (!p) + return -ENOMEM; + context->sockaddr = p; + } - ax->d.type = AUDIT_SOCKADDR; - ax->d.next = context->aux; - context->aux = (void *)ax; + context->sockaddr_len = len; + memcpy(context->sockaddr, a, len); return 0; } -- cgit v0.10.2 From f3298dc4f2277874d40cb4fc3a6e277317d6603b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 10 Dec 2008 03:16:51 -0500 Subject: sanitize audit_socketcall * don't bother with allocations * now that it can't fail, make it return void Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 26c4f6f..466a953 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -446,7 +446,7 @@ extern void audit_log_task_context(struct audit_buffer *ab); extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); extern int audit_bprm(struct linux_binprm *bprm); -extern int audit_socketcall(int nargs, unsigned long *args); +extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); extern int __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); @@ -549,7 +549,7 @@ extern int audit_signals; #define audit_ipc_obj(i) ({ 0; }) #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) #define audit_bprm(p) ({ 0; }) -#define audit_socketcall(n,a) ({ 0; }) +#define audit_socketcall(n,a) ((void)0) #define audit_fd_pair(n,a) ({ 0; }) #define audit_sockaddr(len, addr) ({ 0; }) #define audit_set_macxattr(n) do { ; } while (0) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index c2e43eb..5cda664 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -168,12 +168,6 @@ struct audit_aux_data_execve { struct mm_struct *mm; }; -struct audit_aux_data_socketcall { - struct audit_aux_data d; - int nargs; - unsigned long args[0]; -}; - struct audit_aux_data_fd_pair { struct audit_aux_data d; int fd[2]; @@ -247,6 +241,14 @@ struct audit_context { struct audit_tree_refs *trees, *first_trees; int tree_count; + int type; + union { + struct { + int nargs; + long args[6]; + } socketcall; + }; + #if AUDIT_DEBUG int put_count; int ino_count; @@ -1226,6 +1228,27 @@ static void audit_log_fcaps(struct audit_buffer *ab, struct audit_names *name) audit_log_format(ab, " cap_fe=%d cap_fver=%x", name->fcap.fE, name->fcap_ver); } +static void show_special(struct audit_context *context) +{ + struct audit_buffer *ab; + int i; + + ab = audit_log_start(context, GFP_KERNEL, context->type); + if (!ab) + return; + + switch (context->type) { + case AUDIT_SOCKETCALL: { + int nargs = context->socketcall.nargs; + audit_log_format(ab, "nargs=%d", nargs); + for (i = 0; i < nargs; i++) + audit_log_format(ab, " a%d=%lx", i, + context->socketcall.args[i]); + break; } + } + audit_log_end(ab); +} + static void audit_log_exit(struct audit_context *context, struct task_struct *tsk) { const struct cred *cred; @@ -1372,13 +1395,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_execve_info(context, &ab, axi); break; } - case AUDIT_SOCKETCALL: { - struct audit_aux_data_socketcall *axs = (void *)aux; - audit_log_format(ab, "nargs=%d", axs->nargs); - for (i=0; inargs; i++) - audit_log_format(ab, " a%d=%lx", i, axs->args[i]); - break; } - case AUDIT_FD_PAIR: { struct audit_aux_data_fd_pair *axs = (void *)aux; audit_log_format(ab, "fd0=%d fd1=%d", axs->fd[0], axs->fd[1]); @@ -1410,6 +1426,9 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_end(ab); } + if (context->type) + show_special(context); + if (context->sockaddr_len) { ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR); if (ab) { @@ -1689,6 +1708,7 @@ void audit_syscall_exit(int valid, long return_code) context->target_pid = 0; context->target_sid = 0; context->sockaddr_len = 0; + context->type = 0; kfree(context->filterkey); context->filterkey = NULL; tsk->audit_context = context; @@ -2406,27 +2426,17 @@ int audit_bprm(struct linux_binprm *bprm) * @nargs: number of args * @args: args array * - * Returns 0 for success or NULL context or < 0 on error. */ -int audit_socketcall(int nargs, unsigned long *args) +void audit_socketcall(int nargs, unsigned long *args) { - struct audit_aux_data_socketcall *ax; struct audit_context *context = current->audit_context; if (likely(!context || context->dummy)) - return 0; - - ax = kmalloc(sizeof(*ax) + nargs * sizeof(unsigned long), GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->nargs = nargs; - memcpy(ax->args, args, nargs * sizeof(unsigned long)); + return; - ax->d.type = AUDIT_SOCKETCALL; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_SOCKETCALL; + context->socketcall.nargs = nargs; + memcpy(context->socketcall.args, args, nargs * sizeof(unsigned long)); } /** diff --git a/net/socket.c b/net/socket.c index 2c730fc..b41a920 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2065,9 +2065,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args) if (copy_from_user(a, args, nargs[call])) return -EFAULT; - err = audit_socketcall(nargs[call] / sizeof(unsigned long), a); - if (err) - return err; + audit_socketcall(nargs[call] / sizeof(unsigned long), a); a0 = a[0]; a1 = a[1]; -- cgit v0.10.2 From a33e6751003c5ade603737d828b1519d980ce392 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 10 Dec 2008 03:40:06 -0500 Subject: sanitize audit_ipc_obj() * get rid of allocations * make it return void * simplify callers Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 466a953..f8578b9 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -443,7 +443,7 @@ extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); #define audit_get_loginuid(t) ((t)->loginuid) #define audit_get_sessionid(t) ((t)->sessionid) extern void audit_log_task_context(struct audit_buffer *ab); -extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); +extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); extern int audit_bprm(struct linux_binprm *bprm); extern void audit_socketcall(int nargs, unsigned long *args); @@ -460,11 +460,10 @@ extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, const struct cred *old); extern int __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); -static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) +static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) { if (unlikely(!audit_dummy_context())) - return __audit_ipc_obj(ipcp); - return 0; + __audit_ipc_obj(ipcp); } static inline int audit_fd_pair(int fd1, int fd2) { @@ -546,7 +545,7 @@ extern int audit_signals; #define audit_get_loginuid(t) (-1) #define audit_get_sessionid(t) (-1) #define audit_log_task_context(b) do { ; } while (0) -#define audit_ipc_obj(i) ({ 0; }) +#define audit_ipc_obj(i) ((void)0) #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) #define audit_bprm(p) ({ 0; }) #define audit_socketcall(n,a) ((void)0) diff --git a/ipc/shm.c b/ipc/shm.c index 38a0557..57dd500 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -747,9 +747,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf) goto out; } - err = audit_ipc_obj(&(shp->shm_perm)); - if (err) - goto out_unlock; + audit_ipc_obj(&(shp->shm_perm)); if (!capable(CAP_IPC_LOCK)) { uid_t euid = current_euid(); diff --git a/ipc/util.c b/ipc/util.c index 5a1808c..579552a 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -624,10 +624,9 @@ void ipc_rcu_putref(void *ptr) int ipcperms (struct kern_ipc_perm *ipcp, short flag) { /* flag will most probably be 0 or S_...UGO from */ uid_t euid = current_euid(); - int requested_mode, granted_mode, err; + int requested_mode, granted_mode; - if (unlikely((err = audit_ipc_obj(ipcp)))) - return err; + audit_ipc_obj(ipcp); requested_mode = (flag >> 6) | (flag >> 3) | flag; granted_mode = ipcp->mode; if (euid == ipcp->cuid || @@ -803,9 +802,7 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, goto out_up; } - err = audit_ipc_obj(ipcp); - if (err) - goto out_unlock; + audit_ipc_obj(ipcp); if (cmd == IPC_SET) { err = audit_ipc_set_perm(extra_perm, perm->uid, diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 5cda664..7350431 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -247,6 +247,12 @@ struct audit_context { int nargs; long args[6]; } socketcall; + struct { + uid_t uid; + gid_t gid; + mode_t mode; + u32 osid; + } ipc; }; #if AUDIT_DEBUG @@ -605,19 +611,12 @@ static int audit_filter_rules(struct task_struct *tsk, } } /* Find ipc objects that match */ - if (ctx) { - struct audit_aux_data *aux; - for (aux = ctx->aux; aux; - aux = aux->next) { - if (aux->type == AUDIT_IPC) { - struct audit_aux_data_ipcctl *axi = (void *)aux; - if (security_audit_rule_match(axi->osid, f->type, f->op, f->lsm_rule, ctx)) { - ++result; - break; - } - } - } - } + if (!ctx || ctx->type != AUDIT_IPC) + break; + if (security_audit_rule_match(ctx->ipc.osid, + f->type, f->op, + f->lsm_rule, ctx)) + ++result; } break; case AUDIT_ARG0: @@ -1228,7 +1227,7 @@ static void audit_log_fcaps(struct audit_buffer *ab, struct audit_names *name) audit_log_format(ab, " cap_fe=%d cap_fver=%x", name->fcap.fE, name->fcap_ver); } -static void show_special(struct audit_context *context) +static void show_special(struct audit_context *context, int *call_panic) { struct audit_buffer *ab; int i; @@ -1245,6 +1244,23 @@ static void show_special(struct audit_context *context) audit_log_format(ab, " a%d=%lx", i, context->socketcall.args[i]); break; } + case AUDIT_IPC: { + u32 osid = context->ipc.osid; + + audit_log_format(ab, "ouid=%u ogid=%u mode=%#o", + context->ipc.uid, context->ipc.gid, context->ipc.mode); + if (osid) { + char *ctx = NULL; + u32 len; + if (security_secid_to_secctx(osid, &ctx, &len)) { + audit_log_format(ab, " osid=%u", osid); + *call_panic = 1; + } else { + audit_log_format(ab, " obj=%s", ctx); + security_release_secctx(ctx, len); + } + } + break; } } audit_log_end(ab); } @@ -1363,26 +1379,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs); break; } - case AUDIT_IPC: { - struct audit_aux_data_ipcctl *axi = (void *)aux; - audit_log_format(ab, - "ouid=%u ogid=%u mode=%#o", - axi->uid, axi->gid, axi->mode); - if (axi->osid != 0) { - char *ctx = NULL; - u32 len; - if (security_secid_to_secctx( - axi->osid, &ctx, &len)) { - audit_log_format(ab, " osid=%u", - axi->osid); - call_panic = 1; - } else { - audit_log_format(ab, " obj=%s", ctx); - security_release_secctx(ctx, len); - } - } - break; } - case AUDIT_IPC_SET_PERM: { struct audit_aux_data_ipcctl *axi = (void *)aux; audit_log_format(ab, @@ -1427,7 +1423,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts } if (context->type) - show_special(context); + show_special(context, &call_panic); if (context->sockaddr_len) { ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR); @@ -2349,25 +2345,15 @@ int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) * audit_ipc_obj - record audit data for ipc object * @ipcp: ipc permissions * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_ipc_obj(struct kern_ipc_perm *ipcp) +void __audit_ipc_obj(struct kern_ipc_perm *ipcp) { - struct audit_aux_data_ipcctl *ax; struct audit_context *context = current->audit_context; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->uid = ipcp->uid; - ax->gid = ipcp->gid; - ax->mode = ipcp->mode; - security_ipc_getsecid(ipcp, &ax->osid); - ax->d.type = AUDIT_IPC; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->ipc.uid = ipcp->uid; + context->ipc.gid = ipcp->gid; + context->ipc.mode = ipcp->mode; + security_ipc_getsecid(ipcp, &context->ipc.osid); + context->type = AUDIT_IPC; } /** -- cgit v0.10.2 From e816f370cbadd2afea9f1a42f232d0636137d563 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 10 Dec 2008 03:47:15 -0500 Subject: sanitize audit_ipc_set_perm() * get rid of allocations * make it return void * simplify callers Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index f8578b9..b7abfe0 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -444,7 +444,7 @@ extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); #define audit_get_sessionid(t) ((t)->sessionid) extern void audit_log_task_context(struct audit_buffer *ab); extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); -extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); +extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); extern int audit_bprm(struct linux_binprm *bprm); extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); @@ -471,11 +471,10 @@ static inline int audit_fd_pair(int fd1, int fd2) return __audit_fd_pair(fd1, fd2); return 0; } -static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) { if (unlikely(!audit_dummy_context())) - return __audit_ipc_set_perm(qbytes, uid, gid, mode); - return 0; + __audit_ipc_set_perm(qbytes, uid, gid, mode); } static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) { @@ -546,7 +545,7 @@ extern int audit_signals; #define audit_get_sessionid(t) (-1) #define audit_log_task_context(b) do { ; } while (0) #define audit_ipc_obj(i) ((void)0) -#define audit_ipc_set_perm(q,u,g,m) ({ 0; }) +#define audit_ipc_set_perm(q,u,g,m) ((void)0) #define audit_bprm(p) ({ 0; }) #define audit_socketcall(n,a) ((void)0) #define audit_fd_pair(n,a) ({ 0; }) diff --git a/ipc/util.c b/ipc/util.c index 579552a..7585a72 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -803,13 +803,9 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, } audit_ipc_obj(ipcp); - - if (cmd == IPC_SET) { - err = audit_ipc_set_perm(extra_perm, perm->uid, + if (cmd == IPC_SET) + audit_ipc_set_perm(extra_perm, perm->uid, perm->gid, perm->mode); - if (err) - goto out_unlock; - } euid = current_euid(); if (euid == ipcp->cuid || @@ -817,7 +813,6 @@ struct kern_ipc_perm *ipcctl_pre_down(struct ipc_ids *ids, int id, int cmd, return ipcp; err = -EPERM; -out_unlock: ipc_unlock(ipcp); out_up: up_write(&ids->rw_mutex); diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 7350431..fbed62e 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -151,16 +151,6 @@ struct audit_aux_data_mq_getsetattr { struct mq_attr mqstat; }; -struct audit_aux_data_ipcctl { - struct audit_aux_data d; - struct ipc_perm p; - unsigned long qbytes; - uid_t uid; - gid_t gid; - mode_t mode; - u32 osid; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -252,6 +242,11 @@ struct audit_context { gid_t gid; mode_t mode; u32 osid; + int has_perm; + uid_t perm_uid; + gid_t perm_gid; + mode_t perm_mode; + unsigned long qbytes; } ipc; }; @@ -1260,6 +1255,19 @@ static void show_special(struct audit_context *context, int *call_panic) security_release_secctx(ctx, len); } } + if (context->ipc.has_perm) { + audit_log_end(ab); + ab = audit_log_start(context, GFP_KERNEL, + AUDIT_IPC_SET_PERM); + audit_log_format(ab, + "qbytes=%lx ouid=%u ogid=%u mode=%#o", + context->ipc.qbytes, + context->ipc.perm_uid, + context->ipc.perm_gid, + context->ipc.perm_mode); + if (!ab) + return; + } break; } } audit_log_end(ab); @@ -1379,13 +1387,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs); break; } - case AUDIT_IPC_SET_PERM: { - struct audit_aux_data_ipcctl *axi = (void *)aux; - audit_log_format(ab, - "qbytes=%lx ouid=%u ogid=%u mode=%#o", - axi->qbytes, axi->uid, axi->gid, axi->mode); - break; } - case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; audit_log_execve_info(context, &ab, axi); @@ -2352,6 +2353,7 @@ void __audit_ipc_obj(struct kern_ipc_perm *ipcp) context->ipc.uid = ipcp->uid; context->ipc.gid = ipcp->gid; context->ipc.mode = ipcp->mode; + context->ipc.has_perm = 0; security_ipc_getsecid(ipcp, &context->ipc.osid); context->type = AUDIT_IPC; } @@ -2363,26 +2365,17 @@ void __audit_ipc_obj(struct kern_ipc_perm *ipcp) * @gid: msgq group id * @mode: msgq mode (permissions) * - * Returns 0 for success or NULL context or < 0 on error. + * Called only after audit_ipc_obj(). */ -int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) { - struct audit_aux_data_ipcctl *ax; struct audit_context *context = current->audit_context; - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->qbytes = qbytes; - ax->uid = uid; - ax->gid = gid; - ax->mode = mode; - - ax->d.type = AUDIT_IPC_SET_PERM; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->ipc.qbytes = qbytes; + context->ipc.perm_uid = uid; + context->ipc.perm_gid = gid; + context->ipc.perm_mode = mode; + context->ipc.has_perm = 1; } int audit_bprm(struct linux_binprm *bprm) -- cgit v0.10.2 From 7392906ea915b9a2c14dea32b3604b4e178f82f7 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 10 Dec 2008 06:58:59 -0500 Subject: sanitize audit_mq_getsetattr() * get rid of allocations * make it return void * don't duplicate parts of audit_dummy_context() Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index b7abfe0..b7707e5 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -454,7 +454,7 @@ extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout); extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); -extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); +extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, const struct cred *new, const struct cred *old); @@ -500,11 +500,10 @@ static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_n return __audit_mq_notify(mqdes, u_notification); return 0; } -static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) +static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) { if (unlikely(!audit_dummy_context())) - return __audit_mq_getsetattr(mqdes, mqstat); - return 0; + __audit_mq_getsetattr(mqdes, mqstat); } static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, @@ -555,7 +554,7 @@ extern int audit_signals; #define audit_mq_timedsend(d,l,p,t) ({ 0; }) #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) #define audit_mq_notify(d,n) ({ 0; }) -#define audit_mq_getsetattr(d,s) ({ 0; }) +#define audit_mq_getsetattr(d,s) ((void)0) #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) #define audit_log_capset(pid, ncr, ocr) ({ 0; }) #define audit_ptrace(t) ((void)0) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index d9393f8..7563611 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -1150,11 +1150,7 @@ asmlinkage long sys_mq_getsetattr(mqd_t mqdes, omqstat = info->attr; omqstat.mq_flags = filp->f_flags & O_NONBLOCK; if (u_mqstat) { - ret = audit_mq_getsetattr(mqdes, &mqstat); - if (ret != 0) { - spin_unlock(&info->lock); - goto out_fput; - } + audit_mq_getsetattr(mqdes, &mqstat); if (mqstat.mq_flags & O_NONBLOCK) filp->f_flags |= O_NONBLOCK; else diff --git a/kernel/auditsc.c b/kernel/auditsc.c index fbed62e..c50178c 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -145,12 +145,6 @@ struct audit_aux_data_mq_notify { struct sigevent notification; }; -struct audit_aux_data_mq_getsetattr { - struct audit_aux_data d; - mqd_t mqdes; - struct mq_attr mqstat; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -248,6 +242,10 @@ struct audit_context { mode_t perm_mode; unsigned long qbytes; } ipc; + struct { + mqd_t mqdes; + struct mq_attr mqstat; + } mq_getsetattr; }; #if AUDIT_DEBUG @@ -1269,6 +1267,15 @@ static void show_special(struct audit_context *context, int *call_panic) return; } break; } + case AUDIT_MQ_GETSETATTR: { + struct mq_attr *attr = &context->mq_getsetattr.mqstat; + audit_log_format(ab, + "mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld " + "mq_curmsgs=%ld ", + context->mq_getsetattr.mqdes, + attr->mq_flags, attr->mq_maxmsg, + attr->mq_msgsize, attr->mq_curmsgs); + break; } } audit_log_end(ab); } @@ -1377,16 +1384,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts axi->notification.sigev_signo); break; } - case AUDIT_MQ_GETSETATTR: { - struct audit_aux_data_mq_getsetattr *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d mq_flags=0x%lx mq_maxmsg=%ld mq_msgsize=%ld " - "mq_curmsgs=%ld ", - axi->mqdes, - axi->mqstat.mq_flags, axi->mqstat.mq_maxmsg, - axi->mqstat.mq_msgsize, axi->mqstat.mq_curmsgs); - break; } - case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; audit_log_execve_info(context, &ab, axi); @@ -2316,30 +2313,13 @@ int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) * @mqdes: MQ descriptor * @mqstat: MQ flags * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) +void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) { - struct audit_aux_data_mq_getsetattr *ax; struct audit_context *context = current->audit_context; - - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - ax->mqdes = mqdes; - ax->mqstat = *mqstat; - - ax->d.type = AUDIT_MQ_GETSETATTR; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->mq_getsetattr.mqdes = mqdes; + context->mq_getsetattr.mqstat = *mqstat; + context->type = AUDIT_MQ_GETSETATTR; } /** -- cgit v0.10.2 From 20114f71b27cafeb7c7e41d2b0f0b68c3fbb022b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 10 Dec 2008 07:16:12 -0500 Subject: sanitize audit_mq_notify() * don't copy_from_user() twice * don't bother with allocations * don't duplicate parts of audit_dummy_context() * make it return void Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index b7707e5..8101d2c 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -453,7 +453,7 @@ extern int audit_set_macxattr(const char *name); extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout); -extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); +extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, const struct cred *new, @@ -494,11 +494,10 @@ static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned in return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); return 0; } -static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) +static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) { if (unlikely(!audit_dummy_context())) - return __audit_mq_notify(mqdes, u_notification); - return 0; + __audit_mq_notify(mqdes, notification); } static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) { @@ -553,7 +552,7 @@ extern int audit_signals; #define audit_mq_open(o,m,a) ({ 0; }) #define audit_mq_timedsend(d,l,p,t) ({ 0; }) #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) -#define audit_mq_notify(d,n) ({ 0; }) +#define audit_mq_notify(d,n) ((void)0) #define audit_mq_getsetattr(d,s) ((void)0) #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) #define audit_log_capset(pid, ncr, ocr) ({ 0; }) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 7563611..e7b2f68 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -1003,17 +1003,17 @@ asmlinkage long sys_mq_notify(mqd_t mqdes, struct mqueue_inode_info *info; struct sk_buff *nc; - ret = audit_mq_notify(mqdes, u_notification); - if (ret != 0) - return ret; - - nc = NULL; - sock = NULL; - if (u_notification != NULL) { + if (u_notification) { if (copy_from_user(¬ification, u_notification, sizeof(struct sigevent))) return -EFAULT; + } + + audit_mq_notify(mqdes, u_notification ? ¬ification : NULL); + nc = NULL; + sock = NULL; + if (u_notification != NULL) { if (unlikely(notification.sigev_notify != SIGEV_NONE && notification.sigev_notify != SIGEV_SIGNAL && notification.sigev_notify != SIGEV_THREAD)) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index c50178c..3ece960 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -139,12 +139,6 @@ struct audit_aux_data_mq_sendrecv { struct timespec abs_timeout; }; -struct audit_aux_data_mq_notify { - struct audit_aux_data d; - mqd_t mqdes; - struct sigevent notification; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -246,6 +240,10 @@ struct audit_context { mqd_t mqdes; struct mq_attr mqstat; } mq_getsetattr; + struct { + mqd_t mqdes; + int sigev_signo; + } mq_notify; }; #if AUDIT_DEBUG @@ -1267,6 +1265,11 @@ static void show_special(struct audit_context *context, int *call_panic) return; } break; } + case AUDIT_MQ_NOTIFY: { + audit_log_format(ab, "mqdes=%d sigev_signo=%d", + context->mq_notify.mqdes, + context->mq_notify.sigev_signo); + break; } case AUDIT_MQ_GETSETATTR: { struct mq_attr *attr = &context->mq_getsetattr.mqstat; audit_log_format(ab, @@ -1376,14 +1379,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec); break; } - case AUDIT_MQ_NOTIFY: { - struct audit_aux_data_mq_notify *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d sigev_signo=%d", - axi->mqdes, - axi->notification.sigev_signo); - break; } - case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; audit_log_execve_info(context, &ab, axi); @@ -2274,38 +2269,19 @@ int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, * @mqdes: MQ descriptor * @u_notification: Notification event * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) +void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) { - struct audit_aux_data_mq_notify *ax; struct audit_context *context = current->audit_context; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_notification != NULL) { - if (copy_from_user(&ax->notification, u_notification, sizeof(ax->notification))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->notification, 0, sizeof(ax->notification)); - - ax->mqdes = mqdes; + if (notification) + context->mq_notify.sigev_signo = notification->sigev_signo; + else + context->mq_notify.sigev_signo = 0; - ax->d.type = AUDIT_MQ_NOTIFY; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->mq_notify.mqdes = mqdes; + context->type = AUDIT_MQ_NOTIFY; } /** -- cgit v0.10.2 From c32c8af43b9adde8d6f938d8e6328c13b8de79ac Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Dec 2008 03:46:48 -0500 Subject: sanitize AUDIT_MQ_SENDRECV * logging the original value of *msg_prio in mq_timedreceive(2) is insane - the argument is write-only (i.e. syscall always ignores the original value and only overwrites it). * merge __audit_mq_timed{send,receive} * don't do copy_from_user() twice * don't mess with allocations in auditsc part * ... and don't bother checking !audit_enabled and !context in there - we'd already checked for audit_dummy_context(). Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 8101d2c..67f0cdd 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -451,8 +451,7 @@ extern int audit_sockaddr(int len, void *addr); extern int __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); -extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); -extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout); +extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, @@ -482,17 +481,10 @@ static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u return __audit_mq_open(oflag, mode, u_attr); return 0; } -static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) +static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) { if (unlikely(!audit_dummy_context())) - return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); - return 0; -} -static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout) -{ - if (unlikely(!audit_dummy_context())) - return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); - return 0; + __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); } static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) { @@ -550,8 +542,7 @@ extern int audit_signals; #define audit_sockaddr(len, addr) ({ 0; }) #define audit_set_macxattr(n) do { ; } while (0) #define audit_mq_open(o,m,a) ({ 0; }) -#define audit_mq_timedsend(d,l,p,t) ({ 0; }) -#define audit_mq_timedreceive(d,l,p,t) ({ 0; }) +#define audit_mq_sendrecv(d,l,p,t) ((void)0) #define audit_mq_notify(d,n) ((void)0) #define audit_mq_getsetattr(d,s) ((void)0) #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index e7b2f68..192da80 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -524,31 +524,27 @@ static void __do_notify(struct mqueue_inode_info *info) wake_up(&info->wait_q); } -static long prepare_timeout(const struct timespec __user *u_arg) +static long prepare_timeout(struct timespec *p) { - struct timespec ts, nowts; + struct timespec nowts; long timeout; - if (u_arg) { - if (unlikely(copy_from_user(&ts, u_arg, - sizeof(struct timespec)))) - return -EFAULT; - - if (unlikely(ts.tv_nsec < 0 || ts.tv_sec < 0 - || ts.tv_nsec >= NSEC_PER_SEC)) + if (p) { + if (unlikely(p->tv_nsec < 0 || p->tv_sec < 0 + || p->tv_nsec >= NSEC_PER_SEC)) return -EINVAL; nowts = CURRENT_TIME; /* first subtract as jiffies can't be too big */ - ts.tv_sec -= nowts.tv_sec; - if (ts.tv_nsec < nowts.tv_nsec) { - ts.tv_nsec += NSEC_PER_SEC; - ts.tv_sec--; + p->tv_sec -= nowts.tv_sec; + if (p->tv_nsec < nowts.tv_nsec) { + p->tv_nsec += NSEC_PER_SEC; + p->tv_sec--; } - ts.tv_nsec -= nowts.tv_nsec; - if (ts.tv_sec < 0) + p->tv_nsec -= nowts.tv_nsec; + if (p->tv_sec < 0) return 0; - timeout = timespec_to_jiffies(&ts) + 1; + timeout = timespec_to_jiffies(p) + 1; } else return MAX_SCHEDULE_TIMEOUT; @@ -829,17 +825,22 @@ asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr, struct ext_wait_queue *receiver; struct msg_msg *msg_ptr; struct mqueue_inode_info *info; + struct timespec ts, *p = NULL; long timeout; int ret; - ret = audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); - if (ret != 0) - return ret; + if (u_abs_timeout) { + if (copy_from_user(&ts, u_abs_timeout, + sizeof(struct timespec))) + return -EFAULT; + p = &ts; + } if (unlikely(msg_prio >= (unsigned long) MQ_PRIO_MAX)) return -EINVAL; - timeout = prepare_timeout(u_abs_timeout); + audit_mq_sendrecv(mqdes, msg_len, msg_prio, p); + timeout = prepare_timeout(p); ret = -EBADF; filp = fget(mqdes); @@ -918,12 +919,17 @@ asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr, struct inode *inode; struct mqueue_inode_info *info; struct ext_wait_queue wait; + struct timespec ts, *p = NULL; - ret = audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); - if (ret != 0) - return ret; + if (u_abs_timeout) { + if (copy_from_user(&ts, u_abs_timeout, + sizeof(struct timespec))) + return -EFAULT; + p = &ts; + } - timeout = prepare_timeout(u_abs_timeout); + audit_mq_sendrecv(mqdes, msg_len, 0, p); + timeout = prepare_timeout(p); ret = -EBADF; filp = fget(mqdes); diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 3ece960..140c474 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -131,14 +131,6 @@ struct audit_aux_data_mq_open { struct mq_attr attr; }; -struct audit_aux_data_mq_sendrecv { - struct audit_aux_data d; - mqd_t mqdes; - size_t msg_len; - unsigned int msg_prio; - struct timespec abs_timeout; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -244,6 +236,12 @@ struct audit_context { mqd_t mqdes; int sigev_signo; } mq_notify; + struct { + mqd_t mqdes; + size_t msg_len; + unsigned int msg_prio; + struct timespec abs_timeout; + } mq_sendrecv; }; #if AUDIT_DEBUG @@ -1265,6 +1263,16 @@ static void show_special(struct audit_context *context, int *call_panic) return; } break; } + case AUDIT_MQ_SENDRECV: { + audit_log_format(ab, + "mqdes=%d msg_len=%zd msg_prio=%u " + "abs_timeout_sec=%ld abs_timeout_nsec=%ld", + context->mq_sendrecv.mqdes, + context->mq_sendrecv.msg_len, + context->mq_sendrecv.msg_prio, + context->mq_sendrecv.abs_timeout.tv_sec, + context->mq_sendrecv.abs_timeout.tv_nsec); + break; } case AUDIT_MQ_NOTIFY: { audit_log_format(ab, "mqdes=%d sigev_signo=%d", context->mq_notify.mqdes, @@ -1370,15 +1378,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts axi->attr.mq_curmsgs); break; } - case AUDIT_MQ_SENDRECV: { - struct audit_aux_data_mq_sendrecv *axi = (void *)aux; - audit_log_format(ab, - "mqdes=%d msg_len=%zd msg_prio=%u " - "abs_timeout_sec=%ld abs_timeout_nsec=%ld", - axi->mqdes, axi->msg_len, axi->msg_prio, - axi->abs_timeout.tv_sec, axi->abs_timeout.tv_nsec); - break; } - case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; audit_log_execve_info(context, &ab, axi); @@ -2171,97 +2170,29 @@ int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) } /** - * __audit_mq_timedsend - record audit data for a POSIX MQ timed send + * __audit_mq_sendrecv - record audit data for a POSIX MQ timed send/receive * @mqdes: MQ descriptor * @msg_len: Message length * @msg_prio: Message priority - * @u_abs_timeout: Message timeout in absolute time - * - * Returns 0 for success or NULL context or < 0 on error. - */ -int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, - const struct timespec __user *u_abs_timeout) -{ - struct audit_aux_data_mq_sendrecv *ax; - struct audit_context *context = current->audit_context; - - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_abs_timeout != NULL) { - if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout)); - - ax->mqdes = mqdes; - ax->msg_len = msg_len; - ax->msg_prio = msg_prio; - - ax->d.type = AUDIT_MQ_SENDRECV; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; -} - -/** - * __audit_mq_timedreceive - record audit data for a POSIX MQ timed receive - * @mqdes: MQ descriptor - * @msg_len: Message length - * @u_msg_prio: Message priority - * @u_abs_timeout: Message timeout in absolute time + * @abs_timeout: Message timeout in absolute time * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, - unsigned int __user *u_msg_prio, - const struct timespec __user *u_abs_timeout) +void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, + const struct timespec *abs_timeout) { - struct audit_aux_data_mq_sendrecv *ax; struct audit_context *context = current->audit_context; + struct timespec *p = &context->mq_sendrecv.abs_timeout; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_msg_prio != NULL) { - if (get_user(ax->msg_prio, u_msg_prio)) { - kfree(ax); - return -EFAULT; - } - } else - ax->msg_prio = 0; - - if (u_abs_timeout != NULL) { - if (copy_from_user(&ax->abs_timeout, u_abs_timeout, sizeof(ax->abs_timeout))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->abs_timeout, 0, sizeof(ax->abs_timeout)); + if (abs_timeout) + memcpy(p, abs_timeout, sizeof(struct timespec)); + else + memset(p, 0, sizeof(struct timespec)); - ax->mqdes = mqdes; - ax->msg_len = msg_len; + context->mq_sendrecv.mqdes = mqdes; + context->mq_sendrecv.msg_len = msg_len; + context->mq_sendrecv.msg_prio = msg_prio; - ax->d.type = AUDIT_MQ_SENDRECV; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_MQ_SENDRECV; } /** -- cgit v0.10.2 From 564f6993ffef656aebaf46cf2f1f6cb4f5c97207 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Dec 2008 04:02:26 -0500 Subject: sanitize audit_mq_open() * don't bother with allocations * don't do double copy_from_user() * don't duplicate parts of check for audit_dummy_context() Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 67f0cdd..54978bdd 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -450,7 +450,7 @@ extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); extern int __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); -extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); +extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr); extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); @@ -475,11 +475,10 @@ static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid if (unlikely(!audit_dummy_context())) __audit_ipc_set_perm(qbytes, uid, gid, mode); } -static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) +static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) { if (unlikely(!audit_dummy_context())) - return __audit_mq_open(oflag, mode, u_attr); - return 0; + __audit_mq_open(oflag, mode, attr); } static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) { @@ -541,7 +540,7 @@ extern int audit_signals; #define audit_fd_pair(n,a) ({ 0; }) #define audit_sockaddr(len, addr) ({ 0; }) #define audit_set_macxattr(n) do { ; } while (0) -#define audit_mq_open(o,m,a) ({ 0; }) +#define audit_mq_open(o,m,a) ((void)0) #define audit_mq_sendrecv(d,l,p,t) ((void)0) #define audit_mq_notify(d,n) ((void)0) #define audit_mq_getsetattr(d,s) ((void)0) diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 192da80..d448b69 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -588,22 +588,18 @@ static int mq_attr_ok(struct mq_attr *attr) * Invoked when creating a new queue via sys_mq_open */ static struct file *do_create(struct dentry *dir, struct dentry *dentry, - int oflag, mode_t mode, struct mq_attr __user *u_attr) + int oflag, mode_t mode, struct mq_attr *attr) { const struct cred *cred = current_cred(); - struct mq_attr attr; struct file *result; int ret; - if (u_attr) { - ret = -EFAULT; - if (copy_from_user(&attr, u_attr, sizeof(attr))) - goto out; + if (attr) { ret = -EINVAL; - if (!mq_attr_ok(&attr)) + if (!mq_attr_ok(attr)) goto out; /* store for use during create */ - dentry->d_fsdata = &attr; + dentry->d_fsdata = attr; } mode &= ~current->fs->umask; @@ -660,11 +656,13 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, struct dentry *dentry; struct file *filp; char *name; + struct mq_attr attr; int fd, error; - error = audit_mq_open(oflag, mode, u_attr); - if (error != 0) - return error; + if (u_attr && copy_from_user(&attr, u_attr, sizeof(struct mq_attr))) + return -EFAULT; + + audit_mq_open(oflag, mode, u_attr ? &attr : NULL); if (IS_ERR(name = getname(u_name))) return PTR_ERR(name); @@ -690,7 +688,8 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode, filp = do_open(dentry, oflag); } else { filp = do_create(mqueue_mnt->mnt_root, dentry, - oflag, mode, u_attr); + oflag, mode, + u_attr ? &attr : NULL); } } else { error = -ENOENT; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 140c474..83e946f 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -124,13 +124,6 @@ struct audit_aux_data { /* Number of target pids per aux struct. */ #define AUDIT_AUX_PIDS 16 -struct audit_aux_data_mq_open { - struct audit_aux_data d; - int oflag; - mode_t mode; - struct mq_attr attr; -}; - struct audit_aux_data_execve { struct audit_aux_data d; int argc; @@ -242,6 +235,11 @@ struct audit_context { unsigned int msg_prio; struct timespec abs_timeout; } mq_sendrecv; + struct { + int oflag; + mode_t mode; + struct mq_attr attr; + } mq_open; }; #if AUDIT_DEBUG @@ -1263,6 +1261,16 @@ static void show_special(struct audit_context *context, int *call_panic) return; } break; } + case AUDIT_MQ_OPEN: { + audit_log_format(ab, + "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld " + "mq_msgsize=%ld mq_curmsgs=%ld", + context->mq_open.oflag, context->mq_open.mode, + context->mq_open.attr.mq_flags, + context->mq_open.attr.mq_maxmsg, + context->mq_open.attr.mq_msgsize, + context->mq_open.attr.mq_curmsgs); + break; } case AUDIT_MQ_SENDRECV: { audit_log_format(ab, "mqdes=%d msg_len=%zd msg_prio=%u " @@ -1368,15 +1376,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts continue; /* audit_panic has been called */ switch (aux->type) { - case AUDIT_MQ_OPEN: { - struct audit_aux_data_mq_open *axi = (void *)aux; - audit_log_format(ab, - "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld " - "mq_msgsize=%ld mq_curmsgs=%ld", - axi->oflag, axi->mode, axi->attr.mq_flags, - axi->attr.mq_maxmsg, axi->attr.mq_msgsize, - axi->attr.mq_curmsgs); - break; } case AUDIT_EXECVE: { struct audit_aux_data_execve *axi = (void *)aux; @@ -2135,38 +2134,20 @@ int audit_set_loginuid(struct task_struct *task, uid_t loginuid) * @mode: mode bits * @u_attr: queue attributes * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) +void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) { - struct audit_aux_data_mq_open *ax; struct audit_context *context = current->audit_context; - if (!audit_enabled) - return 0; - - if (likely(!context)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_ATOMIC); - if (!ax) - return -ENOMEM; - - if (u_attr != NULL) { - if (copy_from_user(&ax->attr, u_attr, sizeof(ax->attr))) { - kfree(ax); - return -EFAULT; - } - } else - memset(&ax->attr, 0, sizeof(ax->attr)); + if (attr) + memcpy(&context->mq_open.attr, attr, sizeof(struct mq_attr)); + else + memset(&context->mq_open.attr, 0, sizeof(struct mq_attr)); - ax->oflag = oflag; - ax->mode = mode; + context->mq_open.oflag = oflag; + context->mq_open.mode = mode; - ax->d.type = AUDIT_MQ_OPEN; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->type = AUDIT_MQ_OPEN; } /** -- cgit v0.10.2 From 157cf649a735a2f7e8dba0ed08e6e38b6c30d886 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Dec 2008 04:57:47 -0500 Subject: sanitize audit_fd_pair() * no allocations * return void Signed-off-by: Al Viro diff --git a/fs/pipe.c b/fs/pipe.c index aaf797b..8916971 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -1016,10 +1016,7 @@ int do_pipe_flags(int *fd, int flags) goto err_fdr; fdw = error; - error = audit_fd_pair(fdr, fdw); - if (error < 0) - goto err_fdw; - + audit_fd_pair(fdr, fdw); fd_install(fdr, fr); fd_install(fdw, fw); fd[0] = fdr; @@ -1027,8 +1024,6 @@ int do_pipe_flags(int *fd, int flags) return 0; - err_fdw: - put_unused_fd(fdw); err_fdr: put_unused_fd(fdr); err_read_pipe: diff --git a/include/linux/audit.h b/include/linux/audit.h index 54978bdd..bd59cd1 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -448,7 +448,7 @@ extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mod extern int audit_bprm(struct linux_binprm *bprm); extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); -extern int __audit_fd_pair(int fd1, int fd2); +extern void __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr); extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); @@ -464,11 +464,10 @@ static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) if (unlikely(!audit_dummy_context())) __audit_ipc_obj(ipcp); } -static inline int audit_fd_pair(int fd1, int fd2) +static inline void audit_fd_pair(int fd1, int fd2) { if (unlikely(!audit_dummy_context())) - return __audit_fd_pair(fd1, fd2); - return 0; + __audit_fd_pair(fd1, fd2); } static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) { @@ -537,7 +536,7 @@ extern int audit_signals; #define audit_ipc_set_perm(q,u,g,m) ((void)0) #define audit_bprm(p) ({ 0; }) #define audit_socketcall(n,a) ((void)0) -#define audit_fd_pair(n,a) ({ 0; }) +#define audit_fd_pair(n,a) ((void)0) #define audit_sockaddr(len, addr) ({ 0; }) #define audit_set_macxattr(n) do { ; } while (0) #define audit_mq_open(o,m,a) ((void)0) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 83e946f..327e65d 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -131,11 +131,6 @@ struct audit_aux_data_execve { struct mm_struct *mm; }; -struct audit_aux_data_fd_pair { - struct audit_aux_data d; - int fd[2]; -}; - struct audit_aux_data_pids { struct audit_aux_data d; pid_t target_pid[AUDIT_AUX_PIDS]; @@ -241,6 +236,7 @@ struct audit_context { struct mq_attr attr; } mq_open; }; + int fds[2]; #if AUDIT_DEBUG int put_count; @@ -1382,11 +1378,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_execve_info(context, &ab, axi); break; } - case AUDIT_FD_PAIR: { - struct audit_aux_data_fd_pair *axs = (void *)aux; - audit_log_format(ab, "fd0=%d fd1=%d", axs->fd[0], axs->fd[1]); - break; } - case AUDIT_BPRM_FCAPS: { struct audit_aux_data_bprm_fcaps *axs = (void *)aux; audit_log_format(ab, "fver=%x", axs->fcap_ver); @@ -1416,6 +1407,15 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts if (context->type) show_special(context, &call_panic); + if (context->fds[0] >= 0) { + ab = audit_log_start(context, GFP_KERNEL, AUDIT_FD_PAIR); + if (ab) { + audit_log_format(ab, "fd0=%d fd1=%d", + context->fds[0], context->fds[1]); + audit_log_end(ab); + } + } + if (context->sockaddr_len) { ab = audit_log_start(context, GFP_KERNEL, AUDIT_SOCKADDR); if (ab) { @@ -1696,6 +1696,7 @@ void audit_syscall_exit(int valid, long return_code) context->target_sid = 0; context->sockaddr_len = 0; context->type = 0; + context->fds[0] = -1; kfree(context->filterkey); context->filterkey = NULL; tsk->audit_context = context; @@ -2291,29 +2292,12 @@ void audit_socketcall(int nargs, unsigned long *args) * @fd1: the first file descriptor * @fd2: the second file descriptor * - * Returns 0 for success or NULL context or < 0 on error. */ -int __audit_fd_pair(int fd1, int fd2) +void __audit_fd_pair(int fd1, int fd2) { struct audit_context *context = current->audit_context; - struct audit_aux_data_fd_pair *ax; - - if (likely(!context)) { - return 0; - } - - ax = kmalloc(sizeof(*ax), GFP_KERNEL); - if (!ax) { - return -ENOMEM; - } - - ax->fd[0] = fd1; - ax->fd[1] = fd2; - - ax->d.type = AUDIT_FD_PAIR; - ax->d.next = context->aux; - context->aux = (void *)ax; - return 0; + context->fds[0] = fd1; + context->fds[1] = fd2; } /** diff --git a/net/socket.c b/net/socket.c index b41a920..06603d7 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1313,13 +1313,7 @@ asmlinkage long sys_socketpair(int family, int type, int protocol, goto out_fd1; } - err = audit_fd_pair(fd1, fd2); - if (err < 0) { - fput(newfile1); - fput(newfile2); - goto out_fd; - } - + audit_fd_pair(fd1, fd2); fd_install(fd1, newfile1); fd_install(fd2, newfile2); /* fd1 and fd2 may be already another descriptors. @@ -1349,7 +1343,6 @@ out_fd2: out_fd1: put_filp(newfile2); sock_release(sock2); -out_fd: put_unused_fd(fd1); put_unused_fd(fd2); goto out; -- cgit v0.10.2 From 57f71a0af4244d9ba3c0bce74b1d2e66e8d520bd Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 4 Jan 2009 14:52:57 -0500 Subject: sanitize audit_log_capset() * no allocations * return void * don't duplicate checked for dummy context Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index bd59cd1..7ddcb6a 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -457,7 +457,7 @@ extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, const struct cred *new, const struct cred *old); -extern int __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); +extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) { @@ -504,12 +504,11 @@ static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, return 0; } -static inline int audit_log_capset(pid_t pid, const struct cred *new, +static inline void audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old) { if (unlikely(!audit_dummy_context())) - return __audit_log_capset(pid, new, old); - return 0; + __audit_log_capset(pid, new, old); } extern int audit_n_rules; @@ -544,7 +543,7 @@ extern int audit_signals; #define audit_mq_notify(d,n) ((void)0) #define audit_mq_getsetattr(d,s) ((void)0) #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) -#define audit_log_capset(pid, ncr, ocr) ({ 0; }) +#define audit_log_capset(pid, ncr, ocr) ((void)0) #define audit_ptrace(t) ((void)0) #define audit_n_rules 0 #define audit_signals 0 diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 327e65d..c76a582 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -235,6 +235,10 @@ struct audit_context { mode_t mode; struct mq_attr attr; } mq_open; + struct { + pid_t pid; + struct audit_cap_data cap; + } capset; }; int fds[2]; @@ -1291,6 +1295,12 @@ static void show_special(struct audit_context *context, int *call_panic) attr->mq_flags, attr->mq_maxmsg, attr->mq_msgsize, attr->mq_curmsgs); break; } + case AUDIT_CAPSET: { + audit_log_format(ab, "pid=%d", context->capset.pid); + audit_log_cap(ab, "cap_pi", &context->capset.cap.inheritable); + audit_log_cap(ab, "cap_pp", &context->capset.cap.permitted); + audit_log_cap(ab, "cap_pe", &context->capset.cap.effective); + break; } } audit_log_end(ab); } @@ -1392,14 +1402,6 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts audit_log_cap(ab, "new_pe", &axs->new_pcap.effective); break; } - case AUDIT_CAPSET: { - struct audit_aux_data_capset *axs = (void *)aux; - audit_log_format(ab, "pid=%d", axs->pid); - audit_log_cap(ab, "cap_pi", &axs->cap.inheritable); - audit_log_cap(ab, "cap_pp", &axs->cap.permitted); - audit_log_cap(ab, "cap_pe", &axs->cap.effective); - break; } - } audit_log_end(ab); } @@ -2456,29 +2458,15 @@ int __audit_log_bprm_fcaps(struct linux_binprm *bprm, * Record the aguments userspace sent to sys_capset for later printing by the * audit system if applicable */ -int __audit_log_capset(pid_t pid, +void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old) { - struct audit_aux_data_capset *ax; struct audit_context *context = current->audit_context; - - if (likely(!audit_enabled || !context || context->dummy)) - return 0; - - ax = kmalloc(sizeof(*ax), GFP_KERNEL); - if (!ax) - return -ENOMEM; - - ax->d.type = AUDIT_CAPSET; - ax->d.next = context->aux; - context->aux = (void *)ax; - - ax->pid = pid; - ax->cap.effective = new->cap_effective; - ax->cap.inheritable = new->cap_effective; - ax->cap.permitted = new->cap_permitted; - - return 0; + context->capset.pid = pid; + context->capset.cap.effective = new->cap_effective; + context->capset.cap.inheritable = new->cap_effective; + context->capset.cap.permitted = new->cap_permitted; + context->type = AUDIT_CAPSET; } /** diff --git a/kernel/capability.c b/kernel/capability.c index 36b4b4d..c598d9d 100644 --- a/kernel/capability.c +++ b/kernel/capability.c @@ -280,9 +280,7 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data) if (ret < 0) goto error; - ret = audit_log_capset(pid, new, current_cred()); - if (ret < 0) - return ret; + audit_log_capset(pid, new, current_cred()); return commit_creds(new); -- cgit v0.10.2 From 1a9d0797b8977d413435277bf9661efbbd584693 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Dec 2008 12:04:02 -0500 Subject: audit_update_lsm_rules() misses the audit_inode_hash[] ones Signed-off-by: Al Viro diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 9fd85a4..0febaa0 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1778,6 +1778,41 @@ unlock_and_return: return result; } +static int update_lsm_rule(struct audit_entry *entry) +{ + struct audit_entry *nentry; + struct audit_watch *watch; + struct audit_tree *tree; + int err = 0; + + if (!security_audit_rule_known(&entry->rule)) + return 0; + + watch = entry->rule.watch; + tree = entry->rule.tree; + nentry = audit_dupe_rule(&entry->rule, watch); + if (IS_ERR(nentry)) { + /* save the first error encountered for the + * return value */ + err = PTR_ERR(nentry); + audit_panic("error updating LSM filters"); + if (watch) + list_del(&entry->rule.rlist); + list_del_rcu(&entry->list); + } else { + if (watch) { + list_add(&nentry->rule.rlist, &watch->rules); + list_del(&entry->rule.rlist); + } else if (tree) + list_replace_init(&entry->rule.rlist, + &nentry->rule.rlist); + list_replace_rcu(&entry->list, &nentry->list); + } + call_rcu(&entry->rcu, audit_free_rule_rcu); + + return err; +} + /* This function will re-initialize the lsm_rule field of all applicable rules. * It will traverse the filter lists serarching for rules that contain LSM * specific filter fields. When such a rule is found, it is copied, the @@ -1785,42 +1820,24 @@ unlock_and_return: * updated rule. */ int audit_update_lsm_rules(void) { - struct audit_entry *entry, *n, *nentry; - struct audit_watch *watch; - struct audit_tree *tree; + struct audit_entry *e, *n; int i, err = 0; /* audit_filter_mutex synchronizes the writers */ mutex_lock(&audit_filter_mutex); for (i = 0; i < AUDIT_NR_FILTERS; i++) { - list_for_each_entry_safe(entry, n, &audit_filter_list[i], list) { - if (!security_audit_rule_known(&entry->rule)) - continue; - - watch = entry->rule.watch; - tree = entry->rule.tree; - nentry = audit_dupe_rule(&entry->rule, watch); - if (IS_ERR(nentry)) { - /* save the first error encountered for the - * return value */ - if (!err) - err = PTR_ERR(nentry); - audit_panic("error updating LSM filters"); - if (watch) - list_del(&entry->rule.rlist); - list_del_rcu(&entry->list); - } else { - if (watch) { - list_add(&nentry->rule.rlist, - &watch->rules); - list_del(&entry->rule.rlist); - } else if (tree) - list_replace_init(&entry->rule.rlist, - &nentry->rule.rlist); - list_replace_rcu(&entry->list, &nentry->list); - } - call_rcu(&entry->rcu, audit_free_rule_rcu); + list_for_each_entry_safe(e, n, &audit_filter_list[i], list) { + int res = update_lsm_rule(e); + if (!err) + err = res; + } + } + for (i=0; i< AUDIT_INODE_BUCKETS; i++) { + list_for_each_entry_safe(e, n, &audit_inode_hash[i], list) { + int res = update_lsm_rule(e); + if (!err) + err = res; } } -- cgit v0.10.2 From 0590b9335a1c72a3f0defcc6231287f7817e07c8 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 14 Dec 2008 23:45:27 -0500 Subject: fixing audit rule ordering mess, part 1 Problem: ordering between the rules on exit chain is currently lost; all watch and inode rules are listed after everything else _and_ exit,never on one kind doesn't stop exit,always on another from being matched. Solution: assign priorities to rules, keep track of the current highest-priority matching rule and its result (always/never). Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 7ddcb6a..5b47eeb 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -373,6 +373,7 @@ struct audit_krule { struct audit_watch *watch; /* associated watch */ struct audit_tree *tree; /* associated watched tree */ struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ + u64 prio; }; struct audit_field { diff --git a/kernel/audit.h b/kernel/audit.h index 9d67174..16f18ca 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -159,11 +159,8 @@ static inline int audit_signal_info(int sig, struct task_struct *t) return __audit_signal_info(sig, t); return 0; } -extern enum audit_state audit_filter_inodes(struct task_struct *, - struct audit_context *); -extern void audit_set_auditable(struct audit_context *); +extern void audit_filter_inodes(struct task_struct *, struct audit_context *); #else #define audit_signal_info(s,t) AUDIT_DISABLED #define audit_filter_inodes(t,c) AUDIT_DISABLED -#define audit_set_auditable(c) #endif diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 0febaa0..995a2e8 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -919,6 +919,7 @@ static struct audit_entry *audit_dupe_rule(struct audit_krule *old, new->action = old->action; for (i = 0; i < AUDIT_BITMASK_SIZE; i++) new->mask[i] = old->mask[i]; + new->prio = old->prio; new->buflen = old->buflen; new->inode_f = old->inode_f; new->watch = NULL; @@ -987,9 +988,8 @@ static void audit_update_watch(struct audit_parent *parent, /* If the update involves invalidating rules, do the inode-based * filtering now, so we don't omit records. */ - if (invalidating && current->audit_context && - audit_filter_inodes(current, current->audit_context) == AUDIT_RECORD_CONTEXT) - audit_set_auditable(current->audit_context); + if (invalidating && current->audit_context) + audit_filter_inodes(current, current->audit_context); nwatch = audit_dupe_watch(owatch); if (IS_ERR(nwatch)) { @@ -1258,6 +1258,9 @@ static int audit_add_watch(struct audit_krule *krule, struct nameidata *ndp, return ret; } +static u64 prio_low = ~0ULL/2; +static u64 prio_high = ~0ULL/2 - 1; + /* Add rule to given filterlist if not a duplicate. */ static inline int audit_add_rule(struct audit_entry *entry, struct list_head *list) @@ -1319,6 +1322,14 @@ static inline int audit_add_rule(struct audit_entry *entry, } } + entry->rule.prio = ~0ULL; + if (entry->rule.listnr == AUDIT_FILTER_EXIT) { + if (entry->rule.flags & AUDIT_FILTER_PREPEND) + entry->rule.prio = ++prio_high; + else + entry->rule.prio = --prio_low; + } + if (entry->rule.flags & AUDIT_FILTER_PREPEND) { list_add_rcu(&entry->list, list); entry->rule.flags &= ~AUDIT_FILTER_PREPEND; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index c76a582..19d2c27 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -165,14 +165,14 @@ struct audit_tree_refs { struct audit_context { int dummy; /* must be the first element */ int in_syscall; /* 1 if task is in a syscall */ - enum audit_state state; + enum audit_state state, current_state; unsigned int serial; /* serial number for record */ struct timespec ctime; /* time of syscall entry */ int major; /* syscall number */ unsigned long argv[4]; /* syscall arguments */ int return_valid; /* return code is valid */ long return_code;/* syscall return code */ - int auditable; /* 1 if record should be written */ + u64 prio; int name_count; struct audit_names names[AUDIT_NAMES]; char * filterkey; /* key for rule that triggered record */ @@ -630,8 +630,16 @@ static int audit_filter_rules(struct task_struct *tsk, return 0; } } - if (rule->filterkey && ctx) - ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC); + + if (ctx) { + if (rule->prio <= ctx->prio) + return 0; + if (rule->filterkey) { + kfree(ctx->filterkey); + ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC); + } + ctx->prio = rule->prio; + } switch (rule->action) { case AUDIT_NEVER: *state = AUDIT_DISABLED; break; case AUDIT_ALWAYS: *state = AUDIT_RECORD_CONTEXT; break; @@ -685,6 +693,7 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk, audit_filter_rules(tsk, &e->rule, ctx, NULL, &state)) { rcu_read_unlock(); + ctx->current_state = state; return state; } } @@ -698,15 +707,14 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk, * buckets applicable to the inode numbers in audit_names[]. * Regarding audit_state, same rules apply as for audit_filter_syscall(). */ -enum audit_state audit_filter_inodes(struct task_struct *tsk, - struct audit_context *ctx) +void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx) { int i; struct audit_entry *e; enum audit_state state; if (audit_pid && tsk->tgid == audit_pid) - return AUDIT_DISABLED; + return; rcu_read_lock(); for (i = 0; i < ctx->name_count; i++) { @@ -723,17 +731,20 @@ enum audit_state audit_filter_inodes(struct task_struct *tsk, if ((e->rule.mask[word] & bit) == bit && audit_filter_rules(tsk, &e->rule, ctx, n, &state)) { rcu_read_unlock(); - return state; + ctx->current_state = state; + return; } } } rcu_read_unlock(); - return AUDIT_BUILD_CONTEXT; } -void audit_set_auditable(struct audit_context *ctx) +static void audit_set_auditable(struct audit_context *ctx) { - ctx->auditable = 1; + if (!ctx->prio) { + ctx->prio = 1; + ctx->current_state = AUDIT_RECORD_CONTEXT; + } } static inline struct audit_context *audit_get_context(struct task_struct *tsk, @@ -764,23 +775,11 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk, else context->return_code = return_code; - if (context->in_syscall && !context->dummy && !context->auditable) { - enum audit_state state; - - state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]); - if (state == AUDIT_RECORD_CONTEXT) { - context->auditable = 1; - goto get_context; - } - - state = audit_filter_inodes(tsk, context); - if (state == AUDIT_RECORD_CONTEXT) - context->auditable = 1; - + if (context->in_syscall && !context->dummy) { + audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_EXIT]); + audit_filter_inodes(tsk, context); } -get_context: - tsk->audit_context = NULL; return context; } @@ -790,8 +789,7 @@ static inline void audit_free_names(struct audit_context *context) int i; #if AUDIT_DEBUG == 2 - if (context->auditable - ||context->put_count + context->ino_count != context->name_count) { + if (context->put_count + context->ino_count != context->name_count) { printk(KERN_ERR "%s:%d(:%d): major=%d in_syscall=%d" " name_count=%d put_count=%d" " ino_count=%d [NOT freeing]\n", @@ -842,6 +840,7 @@ static inline void audit_zero_context(struct audit_context *context, { memset(context, 0, sizeof(*context)); context->state = state; + context->prio = state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0; } static inline struct audit_context *audit_alloc_context(enum audit_state state) @@ -1543,7 +1542,7 @@ void audit_free(struct task_struct *tsk) * We use GFP_ATOMIC here because we might be doing this * in the context of the idle thread */ /* that can happen only if we are called from do_exit() */ - if (context->in_syscall && context->auditable) + if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT) audit_log_exit(context, tsk); audit_free_context(context); @@ -1627,15 +1626,17 @@ void audit_syscall_entry(int arch, int major, state = context->state; context->dummy = !audit_n_rules; - if (!context->dummy && (state == AUDIT_SETUP_CONTEXT || state == AUDIT_BUILD_CONTEXT)) + if (!context->dummy && state == AUDIT_BUILD_CONTEXT) { + context->prio = 0; state = audit_filter_syscall(tsk, context, &audit_filter_list[AUDIT_FILTER_ENTRY]); + } if (likely(state == AUDIT_DISABLED)) return; context->serial = 0; context->ctime = CURRENT_TIME; context->in_syscall = 1; - context->auditable = !!(state == AUDIT_RECORD_CONTEXT); + context->current_state = state; context->ppid = 0; } @@ -1643,17 +1644,20 @@ void audit_finish_fork(struct task_struct *child) { struct audit_context *ctx = current->audit_context; struct audit_context *p = child->audit_context; - if (!p || !ctx || !ctx->auditable) + if (!p || !ctx) + return; + if (!ctx->in_syscall || ctx->current_state != AUDIT_RECORD_CONTEXT) return; p->arch = ctx->arch; p->major = ctx->major; memcpy(p->argv, ctx->argv, sizeof(ctx->argv)); p->ctime = ctx->ctime; p->dummy = ctx->dummy; - p->auditable = ctx->auditable; p->in_syscall = ctx->in_syscall; p->filterkey = kstrdup(ctx->filterkey, GFP_KERNEL); p->ppid = current->pid; + p->prio = ctx->prio; + p->current_state = ctx->current_state; } /** @@ -1677,11 +1681,11 @@ void audit_syscall_exit(int valid, long return_code) if (likely(!context)) return; - if (context->in_syscall && context->auditable) + if (context->in_syscall && context->current_state == AUDIT_RECORD_CONTEXT) audit_log_exit(context, tsk); context->in_syscall = 0; - context->auditable = 0; + context->prio = context->state == AUDIT_RECORD_CONTEXT ? ~0ULL : 0; if (context->previous) { struct audit_context *new_context = context->previous; @@ -2091,7 +2095,10 @@ int auditsc_get_stamp(struct audit_context *ctx, t->tv_sec = ctx->ctime.tv_sec; t->tv_nsec = ctx->ctime.tv_nsec; *serial = ctx->serial; - ctx->auditable = 1; + if (!ctx->prio) { + ctx->prio = 1; + ctx->current_state = AUDIT_RECORD_CONTEXT; + } return 1; } -- cgit v0.10.2 From e45aa212ea81d39b38ba158df344dc3a500153e5 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 15 Dec 2008 01:17:50 -0500 Subject: audit rules ordering, part 2 Fix the actual rule listing; add per-type lists _not_ used for matching, with all exit,... sitting on one such list. Simplifies "do something for all rules" logics, while we are at it... Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index 5b47eeb..cc71fdb 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -373,6 +373,7 @@ struct audit_krule { struct audit_watch *watch; /* associated watch */ struct audit_tree *tree; /* associated watched tree */ struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ + struct list_head list; /* for AUDIT_LIST* purposes only */ u64 prio; }; diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 8b50944..48bddad 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -450,6 +450,7 @@ static void kill_rules(struct audit_tree *tree) audit_log_end(ab); rule->tree = NULL; list_del_rcu(&entry->list); + list_del(&entry->rule.list); call_rcu(&entry->rcu, audit_free_rule_rcu); } } diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 995a2e8..5d4edc6 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -86,6 +86,14 @@ struct list_head audit_filter_list[AUDIT_NR_FILTERS] = { #error Fix audit_filter_list initialiser #endif }; +static struct list_head audit_rules_list[AUDIT_NR_FILTERS] = { + LIST_HEAD_INIT(audit_rules_list[0]), + LIST_HEAD_INIT(audit_rules_list[1]), + LIST_HEAD_INIT(audit_rules_list[2]), + LIST_HEAD_INIT(audit_rules_list[3]), + LIST_HEAD_INIT(audit_rules_list[4]), + LIST_HEAD_INIT(audit_rules_list[5]), +}; DEFINE_MUTEX(audit_filter_mutex); @@ -1007,12 +1015,15 @@ static void audit_update_watch(struct audit_parent *parent, list_del_rcu(&oentry->list); nentry = audit_dupe_rule(&oentry->rule, nwatch); - if (IS_ERR(nentry)) + if (IS_ERR(nentry)) { + list_del(&oentry->rule.list); audit_panic("error updating watch, removing"); - else { + } else { int h = audit_hash_ino((u32)ino); list_add(&nentry->rule.rlist, &nwatch->rules); list_add_rcu(&nentry->list, &audit_inode_hash[h]); + list_replace(&oentry->rule.list, + &nentry->rule.list); } call_rcu(&oentry->rcu, audit_free_rule_rcu); @@ -1077,6 +1088,7 @@ static void audit_remove_parent_watches(struct audit_parent *parent) audit_log_end(ab); } list_del(&r->rlist); + list_del(&r->list); list_del_rcu(&e->list); call_rcu(&e->rcu, audit_free_rule_rcu); } @@ -1331,9 +1343,13 @@ static inline int audit_add_rule(struct audit_entry *entry, } if (entry->rule.flags & AUDIT_FILTER_PREPEND) { + list_add(&entry->rule.list, + &audit_rules_list[entry->rule.listnr]); list_add_rcu(&entry->list, list); entry->rule.flags &= ~AUDIT_FILTER_PREPEND; } else { + list_add_tail(&entry->rule.list, + &audit_rules_list[entry->rule.listnr]); list_add_tail_rcu(&entry->list, list); } #ifdef CONFIG_AUDITSYSCALL @@ -1415,6 +1431,7 @@ static inline int audit_del_rule(struct audit_entry *entry, audit_remove_tree_rule(&e->rule); list_del_rcu(&e->list); + list_del(&e->rule.list); call_rcu(&e->rcu, audit_free_rule_rcu); #ifdef CONFIG_AUDITSYSCALL @@ -1443,30 +1460,16 @@ out: static void audit_list(int pid, int seq, struct sk_buff_head *q) { struct sk_buff *skb; - struct audit_entry *entry; + struct audit_krule *r; int i; /* This is a blocking read, so use audit_filter_mutex instead of rcu * iterator to sync with list writers. */ for (i=0; irule); - if (unlikely(!rule)) - break; - skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1, - rule, sizeof(*rule)); - if (skb) - skb_queue_tail(q, skb); - kfree(rule); - } - } - for (i = 0; i < AUDIT_INODE_BUCKETS; i++) { - list_for_each_entry(entry, &audit_inode_hash[i], list) { + list_for_each_entry(r, &audit_rules_list[i], list) { struct audit_rule *rule; - rule = audit_krule_to_rule(&entry->rule); + rule = audit_krule_to_rule(r); if (unlikely(!rule)) break; skb = audit_make_reply(pid, seq, AUDIT_LIST, 0, 1, @@ -1485,30 +1488,16 @@ static void audit_list(int pid, int seq, struct sk_buff_head *q) static void audit_list_rules(int pid, int seq, struct sk_buff_head *q) { struct sk_buff *skb; - struct audit_entry *e; + struct audit_krule *r; int i; /* This is a blocking read, so use audit_filter_mutex instead of rcu * iterator to sync with list writers. */ for (i=0; irule); - if (unlikely(!data)) - break; - skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1, - data, sizeof(*data) + data->buflen); - if (skb) - skb_queue_tail(q, skb); - kfree(data); - } - } - for (i=0; i< AUDIT_INODE_BUCKETS; i++) { - list_for_each_entry(e, &audit_inode_hash[i], list) { + list_for_each_entry(r, &audit_rules_list[i], list) { struct audit_rule_data *data; - data = audit_krule_to_data(&e->rule); + data = audit_krule_to_data(r); if (unlikely(!data)) break; skb = audit_make_reply(pid, seq, AUDIT_LIST_RULES, 0, 1, @@ -1789,35 +1778,37 @@ unlock_and_return: return result; } -static int update_lsm_rule(struct audit_entry *entry) +static int update_lsm_rule(struct audit_krule *r) { + struct audit_entry *entry = container_of(r, struct audit_entry, rule); struct audit_entry *nentry; struct audit_watch *watch; struct audit_tree *tree; int err = 0; - if (!security_audit_rule_known(&entry->rule)) + if (!security_audit_rule_known(r)) return 0; - watch = entry->rule.watch; - tree = entry->rule.tree; - nentry = audit_dupe_rule(&entry->rule, watch); + watch = r->watch; + tree = r->tree; + nentry = audit_dupe_rule(r, watch); if (IS_ERR(nentry)) { /* save the first error encountered for the * return value */ err = PTR_ERR(nentry); audit_panic("error updating LSM filters"); if (watch) - list_del(&entry->rule.rlist); + list_del(&r->rlist); list_del_rcu(&entry->list); + list_del(&r->list); } else { if (watch) { list_add(&nentry->rule.rlist, &watch->rules); - list_del(&entry->rule.rlist); + list_del(&r->rlist); } else if (tree) - list_replace_init(&entry->rule.rlist, - &nentry->rule.rlist); + list_replace_init(&r->rlist, &nentry->rule.rlist); list_replace_rcu(&entry->list, &nentry->list); + list_replace(&r->list, &nentry->rule.list); } call_rcu(&entry->rcu, audit_free_rule_rcu); @@ -1831,27 +1822,19 @@ static int update_lsm_rule(struct audit_entry *entry) * updated rule. */ int audit_update_lsm_rules(void) { - struct audit_entry *e, *n; + struct audit_krule *r, *n; int i, err = 0; /* audit_filter_mutex synchronizes the writers */ mutex_lock(&audit_filter_mutex); for (i = 0; i < AUDIT_NR_FILTERS; i++) { - list_for_each_entry_safe(e, n, &audit_filter_list[i], list) { - int res = update_lsm_rule(e); - if (!err) - err = res; - } - } - for (i=0; i< AUDIT_INODE_BUCKETS; i++) { - list_for_each_entry_safe(e, n, &audit_inode_hash[i], list) { - int res = update_lsm_rule(e); + list_for_each_entry_safe(r, n, &audit_rules_list[i], list) { + int res = update_lsm_rule(r); if (!err) err = res; } } - mutex_unlock(&audit_filter_mutex); return err; -- cgit v0.10.2 From e048e02c89db7bd49d1a5fac77a11c8fb3603087 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 16 Dec 2008 03:51:22 -0500 Subject: make sure that filterkey of task,always rules is reported Signed-off-by: Al Viro diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 19d2c27..8cbddff 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -652,7 +652,7 @@ static int audit_filter_rules(struct task_struct *tsk, * completely disabled for this task. Since we only have the task * structure at this point, we can only check uid and gid. */ -static enum audit_state audit_filter_task(struct task_struct *tsk) +static enum audit_state audit_filter_task(struct task_struct *tsk, char **key) { struct audit_entry *e; enum audit_state state; @@ -660,6 +660,8 @@ static enum audit_state audit_filter_task(struct task_struct *tsk) rcu_read_lock(); list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_TASK], list) { if (audit_filter_rules(tsk, &e->rule, NULL, NULL, &state)) { + if (state == AUDIT_RECORD_CONTEXT) + *key = kstrdup(e->rule.filterkey, GFP_ATOMIC); rcu_read_unlock(); return state; } @@ -866,18 +868,21 @@ int audit_alloc(struct task_struct *tsk) { struct audit_context *context; enum audit_state state; + char *key = NULL; if (likely(!audit_ever_enabled)) return 0; /* Return if not auditing. */ - state = audit_filter_task(tsk); + state = audit_filter_task(tsk, &key); if (likely(state == AUDIT_DISABLED)) return 0; if (!(context = audit_alloc_context(state))) { + kfree(key); audit_log_lost("out of memory in audit_alloc"); return -ENOMEM; } + context->filterkey = key; tsk->audit_context = context; set_tsk_thread_flag(tsk, TIF_SYSCALL_AUDIT); @@ -1703,8 +1708,10 @@ void audit_syscall_exit(int valid, long return_code) context->sockaddr_len = 0; context->type = 0; context->fds[0] = -1; - kfree(context->filterkey); - context->filterkey = NULL; + if (context->state != AUDIT_RECORD_CONTEXT) { + kfree(context->filterkey); + context->filterkey = NULL; + } tsk->audit_context = context; } } -- cgit v0.10.2 From 36c4f1b18c8a7d0adb4085e7f531860b837bb6b0 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 15 Dec 2008 01:50:28 -0500 Subject: clean up audit_rule_{add,del} a bit Signed-off-by: Al Viro diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 5d4edc6..e6e3829 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1114,12 +1114,16 @@ static void audit_inotify_unregister(struct list_head *in_list) /* Find an existing audit rule. * Caller must hold audit_filter_mutex to prevent stale rule data. */ static struct audit_entry *audit_find_rule(struct audit_entry *entry, - struct list_head *list) + struct list_head **p) { struct audit_entry *e, *found = NULL; + struct list_head *list; int h; - if (entry->rule.watch) { + if (entry->rule.inode_f) { + h = audit_hash_ino(entry->rule.inode_f->val); + *p = list = &audit_inode_hash[h]; + } else if (entry->rule.watch) { /* we don't know the inode number, so must walk entire hash */ for (h = 0; h < AUDIT_INODE_BUCKETS; h++) { list = &audit_inode_hash[h]; @@ -1130,6 +1134,8 @@ static struct audit_entry *audit_find_rule(struct audit_entry *entry, } } goto out; + } else { + *p = list = &audit_filter_list[entry->rule.listnr]; } list_for_each_entry(e, list, list) @@ -1274,14 +1280,13 @@ static u64 prio_low = ~0ULL/2; static u64 prio_high = ~0ULL/2 - 1; /* Add rule to given filterlist if not a duplicate. */ -static inline int audit_add_rule(struct audit_entry *entry, - struct list_head *list) +static inline int audit_add_rule(struct audit_entry *entry) { struct audit_entry *e; - struct audit_field *inode_f = entry->rule.inode_f; struct audit_watch *watch = entry->rule.watch; struct audit_tree *tree = entry->rule.tree; struct nameidata *ndp = NULL, *ndw = NULL; + struct list_head *list; int h, err; #ifdef CONFIG_AUDITSYSCALL int dont_count = 0; @@ -1292,13 +1297,8 @@ static inline int audit_add_rule(struct audit_entry *entry, dont_count = 1; #endif - if (inode_f) { - h = audit_hash_ino(inode_f->val); - list = &audit_inode_hash[h]; - } - mutex_lock(&audit_filter_mutex); - e = audit_find_rule(entry, list); + e = audit_find_rule(entry, &list); mutex_unlock(&audit_filter_mutex); if (e) { err = -EEXIST; @@ -1372,15 +1372,14 @@ error: } /* Remove an existing rule from filterlist. */ -static inline int audit_del_rule(struct audit_entry *entry, - struct list_head *list) +static inline int audit_del_rule(struct audit_entry *entry) { struct audit_entry *e; - struct audit_field *inode_f = entry->rule.inode_f; struct audit_watch *watch, *tmp_watch = entry->rule.watch; struct audit_tree *tree = entry->rule.tree; + struct list_head *list; LIST_HEAD(inotify_list); - int h, ret = 0; + int ret = 0; #ifdef CONFIG_AUDITSYSCALL int dont_count = 0; @@ -1390,13 +1389,8 @@ static inline int audit_del_rule(struct audit_entry *entry, dont_count = 1; #endif - if (inode_f) { - h = audit_hash_ino(inode_f->val); - list = &audit_inode_hash[h]; - } - mutex_lock(&audit_filter_mutex); - e = audit_find_rule(entry, list); + e = audit_find_rule(entry, &list); if (!e) { mutex_unlock(&audit_filter_mutex); ret = -ENOENT; @@ -1603,8 +1597,7 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, if (IS_ERR(entry)) return PTR_ERR(entry); - err = audit_add_rule(entry, - &audit_filter_list[entry->rule.listnr]); + err = audit_add_rule(entry); audit_log_rule_change(loginuid, sessionid, sid, "add", &entry->rule, !err); @@ -1620,8 +1613,7 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, if (IS_ERR(entry)) return PTR_ERR(entry); - err = audit_del_rule(entry, - &audit_filter_list[entry->rule.listnr]); + err = audit_del_rule(entry); audit_log_rule_change(loginuid, sessionid, sid, "remove", &entry->rule, !err); -- cgit v0.10.2 From 5af75d8d58d0f9f7b7c0515b35786b22892d5f12 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 16 Dec 2008 05:59:26 -0500 Subject: audit: validate comparison operations, store them in sane form Don't store the field->op in the messy (and very inconvenient for e.g. audit_comparator()) form; translate to dense set of values and do full validation of userland-submitted value while we are at it. ->audit_init_rule() and ->audit_match_rule() get new values now; in-tree instances updated. Signed-off-by: Al Viro diff --git a/include/linux/audit.h b/include/linux/audit.h index cc71fdb..67e5dbf 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -247,6 +247,18 @@ #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) +enum { + Audit_equal, + Audit_not_equal, + Audit_bitmask, + Audit_bittest, + Audit_lt, + Audit_gt, + Audit_le, + Audit_ge, + Audit_bad +}; + /* Status symbols */ /* Mask values */ #define AUDIT_STATUS_ENABLED 0x0001 diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 48bddad..8ad9545 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -618,7 +618,7 @@ int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op) if (pathname[0] != '/' || rule->listnr != AUDIT_FILTER_EXIT || - op & ~AUDIT_EQUAL || + op != Audit_equal || rule->inode_f || rule->watch || rule->tree) return -EINVAL; rule->tree = alloc_tree(pathname); diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index e6e3829..fbf24d1 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -252,7 +252,8 @@ static inline int audit_to_inode(struct audit_krule *krule, struct audit_field *f) { if (krule->listnr != AUDIT_FILTER_EXIT || - krule->watch || krule->inode_f || krule->tree) + krule->watch || krule->inode_f || krule->tree || + (f->op != Audit_equal && f->op != Audit_not_equal)) return -EINVAL; krule->inode_f = f; @@ -270,7 +271,7 @@ static int audit_to_watch(struct audit_krule *krule, char *path, int len, if (path[0] != '/' || path[len-1] == '/' || krule->listnr != AUDIT_FILTER_EXIT || - op & ~AUDIT_EQUAL || + op != Audit_equal || krule->inode_f || krule->watch || krule->tree) return -EINVAL; @@ -420,12 +421,32 @@ exit_err: return ERR_PTR(err); } +static u32 audit_ops[] = +{ + [Audit_equal] = AUDIT_EQUAL, + [Audit_not_equal] = AUDIT_NOT_EQUAL, + [Audit_bitmask] = AUDIT_BIT_MASK, + [Audit_bittest] = AUDIT_BIT_TEST, + [Audit_lt] = AUDIT_LESS_THAN, + [Audit_gt] = AUDIT_GREATER_THAN, + [Audit_le] = AUDIT_LESS_THAN_OR_EQUAL, + [Audit_ge] = AUDIT_GREATER_THAN_OR_EQUAL, +}; + +static u32 audit_to_op(u32 op) +{ + u32 n; + for (n = Audit_equal; n < Audit_bad && audit_ops[n] != op; n++) + ; + return n; +} + + /* Translate struct audit_rule to kernel's rule respresentation. * Exists for backward compatibility with userspace. */ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) { struct audit_entry *entry; - struct audit_field *ino_f; int err = 0; int i; @@ -435,12 +456,28 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) for (i = 0; i < rule->field_count; i++) { struct audit_field *f = &entry->rule.fields[i]; + u32 n; + + n = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS); + + /* Support for legacy operators where + * AUDIT_NEGATE bit signifies != and otherwise assumes == */ + if (n & AUDIT_NEGATE) + f->op = Audit_not_equal; + else if (!n) + f->op = Audit_equal; + else + f->op = audit_to_op(n); + + entry->rule.vers_ops = (n & AUDIT_OPERATORS) ? 2 : 1; - f->op = rule->fields[i] & (AUDIT_NEGATE|AUDIT_OPERATORS); f->type = rule->fields[i] & ~(AUDIT_NEGATE|AUDIT_OPERATORS); f->val = rule->values[i]; err = -EINVAL; + if (f->op == Audit_bad) + goto exit_free; + switch(f->type) { default: goto exit_free; @@ -462,11 +499,8 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) case AUDIT_EXIT: case AUDIT_SUCCESS: /* bit ops are only useful on syscall args */ - if (f->op == AUDIT_BIT_MASK || - f->op == AUDIT_BIT_TEST) { - err = -EINVAL; + if (f->op == Audit_bitmask || f->op == Audit_bittest) goto exit_free; - } break; case AUDIT_ARG0: case AUDIT_ARG1: @@ -475,11 +509,8 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) break; /* arch is only allowed to be = or != */ case AUDIT_ARCH: - if ((f->op != AUDIT_NOT_EQUAL) && (f->op != AUDIT_EQUAL) - && (f->op != AUDIT_NEGATE) && (f->op)) { - err = -EINVAL; + if (f->op != Audit_not_equal && f->op != Audit_equal) goto exit_free; - } entry->rule.arch_f = f; break; case AUDIT_PERM: @@ -496,33 +527,10 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) goto exit_free; break; } - - entry->rule.vers_ops = (f->op & AUDIT_OPERATORS) ? 2 : 1; - - /* Support for legacy operators where - * AUDIT_NEGATE bit signifies != and otherwise assumes == */ - if (f->op & AUDIT_NEGATE) - f->op = AUDIT_NOT_EQUAL; - else if (!f->op) - f->op = AUDIT_EQUAL; - else if (f->op == AUDIT_OPERATORS) { - err = -EINVAL; - goto exit_free; - } } - ino_f = entry->rule.inode_f; - if (ino_f) { - switch(ino_f->op) { - case AUDIT_NOT_EQUAL: - entry->rule.inode_f = NULL; - case AUDIT_EQUAL: - break; - default: - err = -EINVAL; - goto exit_free; - } - } + if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal) + entry->rule.inode_f = NULL; exit_nofree: return entry; @@ -538,7 +546,6 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, { int err = 0; struct audit_entry *entry; - struct audit_field *ino_f; void *bufp; size_t remain = datasz - sizeof(struct audit_rule_data); int i; @@ -554,11 +561,11 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, struct audit_field *f = &entry->rule.fields[i]; err = -EINVAL; - if (!(data->fieldflags[i] & AUDIT_OPERATORS) || - data->fieldflags[i] & ~AUDIT_OPERATORS) + + f->op = audit_to_op(data->fieldflags[i]); + if (f->op == Audit_bad) goto exit_free; - f->op = data->fieldflags[i] & AUDIT_OPERATORS; f->type = data->fields[i]; f->val = data->values[i]; f->lsm_str = NULL; @@ -670,18 +677,8 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, } } - ino_f = entry->rule.inode_f; - if (ino_f) { - switch(ino_f->op) { - case AUDIT_NOT_EQUAL: - entry->rule.inode_f = NULL; - case AUDIT_EQUAL: - break; - default: - err = -EINVAL; - goto exit_free; - } - } + if (entry->rule.inode_f && entry->rule.inode_f->op == Audit_not_equal) + entry->rule.inode_f = NULL; exit_nofree: return entry; @@ -721,10 +718,10 @@ static struct audit_rule *audit_krule_to_rule(struct audit_krule *krule) rule->fields[i] = krule->fields[i].type; if (krule->vers_ops == 1) { - if (krule->fields[i].op & AUDIT_NOT_EQUAL) + if (krule->fields[i].op == Audit_not_equal) rule->fields[i] |= AUDIT_NEGATE; } else { - rule->fields[i] |= krule->fields[i].op; + rule->fields[i] |= audit_ops[krule->fields[i].op]; } } for (i = 0; i < AUDIT_BITMASK_SIZE; i++) rule->mask[i] = krule->mask[i]; @@ -752,7 +749,7 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule) struct audit_field *f = &krule->fields[i]; data->fields[i] = f->type; - data->fieldflags[i] = f->op; + data->fieldflags[i] = audit_ops[f->op]; switch(f->type) { case AUDIT_SUBJ_USER: case AUDIT_SUBJ_ROLE: @@ -1626,28 +1623,29 @@ int audit_receive_filter(int type, int pid, int uid, int seq, void *data, return err; } -int audit_comparator(const u32 left, const u32 op, const u32 right) +int audit_comparator(u32 left, u32 op, u32 right) { switch (op) { - case AUDIT_EQUAL: + case Audit_equal: return (left == right); - case AUDIT_NOT_EQUAL: + case Audit_not_equal: return (left != right); - case AUDIT_LESS_THAN: + case Audit_lt: return (left < right); - case AUDIT_LESS_THAN_OR_EQUAL: + case Audit_le: return (left <= right); - case AUDIT_GREATER_THAN: + case Audit_gt: return (left > right); - case AUDIT_GREATER_THAN_OR_EQUAL: + case Audit_ge: return (left >= right); - case AUDIT_BIT_MASK: + case Audit_bitmask: return (left & right); - case AUDIT_BIT_TEST: + case Audit_bittest: return ((left & right) == right); + default: + BUG(); + return 0; } - BUG(); - return 0; } /* Compare given dentry name with last component in given path, diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 343c8ab..c65e4fe 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2602,7 +2602,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) case AUDIT_OBJ_ROLE: case AUDIT_OBJ_TYPE: /* only 'equals' and 'not equals' fit user, role, and type */ - if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL) + if (op != Audit_equal && op != Audit_not_equal) return -EINVAL; break; case AUDIT_SUBJ_SEN: @@ -2736,10 +2736,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_USER: case AUDIT_OBJ_USER: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->user == rule->au_ctxt.user); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->user != rule->au_ctxt.user); break; } @@ -2747,10 +2747,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_ROLE: case AUDIT_OBJ_ROLE: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->role == rule->au_ctxt.role); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->role != rule->au_ctxt.role); break; } @@ -2758,10 +2758,10 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, case AUDIT_SUBJ_TYPE: case AUDIT_OBJ_TYPE: switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = (ctxt->type == rule->au_ctxt.type); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = (ctxt->type != rule->au_ctxt.type); break; } @@ -2774,31 +2774,31 @@ int selinux_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule, field == AUDIT_OBJ_LEV_LOW) ? &ctxt->range.level[0] : &ctxt->range.level[1]); switch (op) { - case AUDIT_EQUAL: + case Audit_equal: match = mls_level_eq(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_NOT_EQUAL: + case Audit_not_equal: match = !mls_level_eq(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_LESS_THAN: + case Audit_lt: match = (mls_level_dom(&rule->au_ctxt.range.level[0], level) && !mls_level_eq(&rule->au_ctxt.range.level[0], level)); break; - case AUDIT_LESS_THAN_OR_EQUAL: + case Audit_le: match = mls_level_dom(&rule->au_ctxt.range.level[0], level); break; - case AUDIT_GREATER_THAN: + case Audit_gt: match = (mls_level_dom(level, &rule->au_ctxt.range.level[0]) && !mls_level_eq(level, &rule->au_ctxt.range.level[0])); break; - case AUDIT_GREATER_THAN_OR_EQUAL: + case Audit_ge: match = mls_level_dom(level, &rule->au_ctxt.range.level[0]); break; diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 1b5551d..848212f 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -2492,7 +2492,7 @@ static int smack_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule) if (field != AUDIT_SUBJ_USER && field != AUDIT_OBJ_USER) return -EINVAL; - if (op != AUDIT_EQUAL && op != AUDIT_NOT_EQUAL) + if (op != Audit_equal && op != Audit_not_equal) return -EINVAL; *rule = smk_import(rulestr, 0); @@ -2556,9 +2556,9 @@ static int smack_audit_rule_match(u32 secid, u32 field, u32 op, void *vrule, * both pointers will point to the same smack_known * label. */ - if (op == AUDIT_EQUAL) + if (op == Audit_equal) return (rule == smack); - if (op == AUDIT_NOT_EQUAL) + if (op == Audit_not_equal) return (rule != smack); return 0; -- cgit v0.10.2 From 7b574b7b0124ed344911f5d581e9bc2d83bbeb19 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Sun, 4 Jan 2009 12:00:45 -0800 Subject: cgroups: fix a race between cgroup_clone and umount The race is calling cgroup_clone() while umounting the ns cgroup subsys, and thus cgroup_clone() might access invalid cgroup_fs, or kill_sb() is called after cgroup_clone() created a new dir in it. The BUG I triggered is BUG_ON(root->number_of_cgroups != 1); ------------[ cut here ]------------ kernel BUG at kernel/cgroup.c:1093! invalid opcode: 0000 [#1] SMP ... Process umount (pid: 5177, ti=e411e000 task=e40c4670 task.ti=e411e000) ... Call Trace: [] ? deactivate_super+0x3f/0x51 [] ? mntput_no_expire+0xb3/0xdd [] ? sys_umount+0x265/0x2ac [] ? sys_oldumount+0xd/0xf [] ? sysenter_do_call+0x12/0x31 ... EIP: [] cgroup_kill_sb+0x23/0xe0 SS:ESP 0068:e411ef2c ---[ end trace c766c1be3bf944ac ]--- Cc: Serge E. Hallyn Signed-off-by: Li Zefan Cc: Paul Menage Cc: "Serge E. Hallyn" Cc: Balbir Singh Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 48348dd..891a84e 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2945,7 +2945,11 @@ int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *subsys, parent = task_cgroup(tsk, subsys->subsys_id); /* Pin the hierarchy */ - atomic_inc(&parent->root->sb->s_active); + if (!atomic_inc_not_zero(&parent->root->sb->s_active)) { + /* We race with the final deactivate_super() */ + mutex_unlock(&cgroup_mutex); + return 0; + } /* Keep the cgroup alive */ get_css_set(cg); -- cgit v0.10.2 From 2e4e27c7d082b2198b63041310609d7191185a9d Mon Sep 17 00:00:00 2001 From: Adam Lackorzynski Date: Sun, 4 Jan 2009 12:00:46 -0800 Subject: vmalloc.c: fix flushing in vmap_page_range() The flush_cache_vmap in vmap_page_range() is called with the end of the range twice. The following patch fixes this for me. Signed-off-by: Adam Lackorzynski Cc: Nick Piggin Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 1ddb77b..7465f22 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -151,11 +151,12 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr, * * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N] */ -static int vmap_page_range(unsigned long addr, unsigned long end, +static int vmap_page_range(unsigned long start, unsigned long end, pgprot_t prot, struct page **pages) { pgd_t *pgd; unsigned long next; + unsigned long addr = start; int err = 0; int nr = 0; @@ -167,7 +168,7 @@ static int vmap_page_range(unsigned long addr, unsigned long end, if (err) break; } while (pgd++, addr = next, addr != end); - flush_cache_vmap(addr, end); + flush_cache_vmap(start, end); if (unlikely(err)) return err; -- cgit v0.10.2 From 0a30c5cefa53cbac429dcb2de906c0637b646253 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 4 Jan 2009 12:00:47 -0800 Subject: spi.h uses/needs device.h Include header files as used/needed: In file included from drivers/leds/leds-dac124s085.c:16: include/linux/spi/spi.h:66: error: field 'dev' has incomplete type include/linux/spi/spi.h: In function 'to_spi_device': include/linux/spi/spi.h:100: warning: type defaults to 'int' in declaration of '__mptr' ... Signed-off-by: Randy Dunlap Cc: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 4be01bb..8222931 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -19,6 +19,8 @@ #ifndef __LINUX_SPI_H #define __LINUX_SPI_H +#include + /* * INTERFACES between SPI master-side drivers and SPI infrastructure. * (There's no SPI slave support for Linux yet...) -- cgit v0.10.2 From c644f0e4b56f9a2fc066cd0d75a18074d130e4a3 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Sun, 4 Jan 2009 12:00:48 -0800 Subject: fs: introduce bgl_lock_ptr() As suggested by Andreas Dilger, introduce a bgl_lock_ptr() helper in and add separate sb_bgl_lock() helpers to filesystem specific header files to break the hidden dependency to struct ext[234]_sb_info. Also, while at it, convert the macros to static inlines to try make up for all the times I broke Andrew Morton's tree. Acked-by: Andreas Dilger Signed-off-by: Pekka Enberg Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h index 445fde6..b21f167 100644 --- a/fs/ext4/ext4_sb.h +++ b/fs/ext4/ext4_sb.h @@ -146,4 +146,10 @@ struct ext4_sb_info { struct flex_groups *s_flex_groups; }; +static inline spinlock_t * +sb_bgl_lock(struct ext4_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _EXT4_SB */ diff --git a/include/linux/blockgroup_lock.h b/include/linux/blockgroup_lock.h index 8607312..e44b88b 100644 --- a/include/linux/blockgroup_lock.h +++ b/include/linux/blockgroup_lock.h @@ -53,7 +53,10 @@ static inline void bgl_lock_init(struct blockgroup_lock *bgl) * The accessor is a macro so we can embed a blockgroup_lock into different * superblock types */ -#define sb_bgl_lock(sb, block_group) \ - (&(sb)->s_blockgroup_lock.locks[(block_group) & (NR_BG_LOCKS-1)].lock) +static inline spinlock_t * +bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group) +{ + return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock; +} #endif diff --git a/include/linux/ext2_fs_sb.h b/include/linux/ext2_fs_sb.h index f273415..dc541f3 100644 --- a/include/linux/ext2_fs_sb.h +++ b/include/linux/ext2_fs_sb.h @@ -108,4 +108,10 @@ struct ext2_sb_info { struct ext2_reserve_window_node s_rsv_window_head; }; +static inline spinlock_t * +sb_bgl_lock(struct ext2_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _LINUX_EXT2_FS_SB */ diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h index b65f028..e024e38 100644 --- a/include/linux/ext3_fs_sb.h +++ b/include/linux/ext3_fs_sb.h @@ -83,4 +83,10 @@ struct ext3_sb_info { #endif }; +static inline spinlock_t * +sb_bgl_lock(struct ext3_sb_info *sbi, unsigned int block_group) +{ + return bgl_lock_ptr(&sbi->s_blockgroup_lock, block_group); +} + #endif /* _LINUX_EXT3_FS_SB */ -- cgit v0.10.2 From e687d691cb3790d25e31c74f5941fd7c565e9df5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= Date: Sun, 4 Jan 2009 13:11:54 -0800 Subject: viafb: fix crashes due to 4k stack overflow MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The function viafb_cursor() uses 2 stack-variables of CURSOR_SIZE bits; CURSOR_SIZE is defined as (8 * 1024). Using up twice 1k on stack is too much for 4k-stack (though it works with 8k-stacks). Make those two variables kzalloc'ed to preserve stack space. Also merge the whole lot of local struct's in viafb_ioctl into a union so the stack usage gets minimized here as well. (struct's are only accessed in their indicidual IOCTL case) This second part is only compile-tested as I know of no userspace app using the IOCTLs. Signed-off-by: Bruno Prémont Cc: Cc: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 73ac754..e21fe5b 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -546,23 +546,25 @@ static int viafb_blank(int blank_mode, struct fb_info *info) static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) { - struct viafb_ioctl_mode viamode; - struct viafb_ioctl_samm viasamm; - struct viafb_driver_version driver_version; - struct fb_var_screeninfo sec_var; - struct _panel_size_pos_info panel_pos_size_para; + union { + struct viafb_ioctl_mode viamode; + struct viafb_ioctl_samm viasamm; + struct viafb_driver_version driver_version; + struct fb_var_screeninfo sec_var; + struct _panel_size_pos_info panel_pos_size_para; + struct viafb_ioctl_setting viafb_setting; + struct device_t active_dev; + } u; u32 state_info = 0; - u32 viainfo_size = sizeof(struct viafb_ioctl_info); u32 *viafb_gamma_table; char driver_name[] = "viafb"; u32 __user *argp = (u32 __user *) arg; u32 gpu32; u32 video_dev_info = 0; - struct viafb_ioctl_setting viafb_setting = {}; - struct device_t active_dev = {}; DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd); + memset(&u, 0, sizeof(u)); switch (cmd) { case VIAFB_GET_CHIP_INFO: @@ -571,7 +573,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) return -EFAULT; break; case VIAFB_GET_INFO_SIZE: - return put_user(viainfo_size, argp); + return put_user((u32)sizeof(struct viafb_ioctl_info), argp); case VIAFB_GET_INFO: return viafb_ioctl_get_viafb_info(arg); case VIAFB_HOTPLUG: @@ -584,60 +586,60 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) viafb_hotplug = (gpu32) ? 1 : 0; break; case VIAFB_GET_RESOLUTION: - viamode.xres = (u32) viafb_hotplug_Xres; - viamode.yres = (u32) viafb_hotplug_Yres; - viamode.refresh = (u32) viafb_hotplug_refresh; - viamode.bpp = (u32) viafb_hotplug_bpp; + u.viamode.xres = (u32) viafb_hotplug_Xres; + u.viamode.yres = (u32) viafb_hotplug_Yres; + u.viamode.refresh = (u32) viafb_hotplug_refresh; + u.viamode.bpp = (u32) viafb_hotplug_bpp; if (viafb_SAMM_ON == 1) { - viamode.xres_sec = viafb_second_xres; - viamode.yres_sec = viafb_second_yres; - viamode.virtual_xres_sec = viafb_second_virtual_xres; - viamode.virtual_yres_sec = viafb_second_virtual_yres; - viamode.refresh_sec = viafb_refresh1; - viamode.bpp_sec = viafb_bpp1; + u.viamode.xres_sec = viafb_second_xres; + u.viamode.yres_sec = viafb_second_yres; + u.viamode.virtual_xres_sec = viafb_second_virtual_xres; + u.viamode.virtual_yres_sec = viafb_second_virtual_yres; + u.viamode.refresh_sec = viafb_refresh1; + u.viamode.bpp_sec = viafb_bpp1; } else { - viamode.xres_sec = 0; - viamode.yres_sec = 0; - viamode.virtual_xres_sec = 0; - viamode.virtual_yres_sec = 0; - viamode.refresh_sec = 0; - viamode.bpp_sec = 0; + u.viamode.xres_sec = 0; + u.viamode.yres_sec = 0; + u.viamode.virtual_xres_sec = 0; + u.viamode.virtual_yres_sec = 0; + u.viamode.refresh_sec = 0; + u.viamode.bpp_sec = 0; } - if (copy_to_user(argp, &viamode, sizeof(viamode))) + if (copy_to_user(argp, &u.viamode, sizeof(u.viamode))) return -EFAULT; break; case VIAFB_GET_SAMM_INFO: - viasamm.samm_status = viafb_SAMM_ON; + u.viasamm.samm_status = viafb_SAMM_ON; if (viafb_SAMM_ON == 1) { if (viafb_dual_fb) { - viasamm.size_prim = viaparinfo->fbmem_free; - viasamm.size_sec = viaparinfo1->fbmem_free; + u.viasamm.size_prim = viaparinfo->fbmem_free; + u.viasamm.size_sec = viaparinfo1->fbmem_free; } else { if (viafb_second_size) { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->fbmem_free - viafb_second_size * 1024 * 1024; - viasamm.size_sec = + u.viasamm.size_sec = viafb_second_size * 1024 * 1024; } else { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->fbmem_free >> 1; - viasamm.size_sec = + u.viasamm.size_sec = (viaparinfo->fbmem_free >> 1); } } - viasamm.mem_base = viaparinfo->fbmem; - viasamm.offset_sec = viafb_second_offset; + u.viasamm.mem_base = viaparinfo->fbmem; + u.viasamm.offset_sec = viafb_second_offset; } else { - viasamm.size_prim = + u.viasamm.size_prim = viaparinfo->memsize - viaparinfo->fbmem_used; - viasamm.size_sec = 0; - viasamm.mem_base = viaparinfo->fbmem; - viasamm.offset_sec = 0; + u.viasamm.size_sec = 0; + u.viasamm.mem_base = viaparinfo->fbmem; + u.viasamm.offset_sec = 0; } - if (copy_to_user(argp, &viasamm, sizeof(viasamm))) + if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm))) return -EFAULT; break; @@ -662,74 +664,75 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) viafb_lcd_disable(); break; case VIAFB_SET_DEVICE: - if (copy_from_user(&active_dev, (void *)argp, - sizeof(active_dev))) + if (copy_from_user(&u.active_dev, (void *)argp, + sizeof(u.active_dev))) return -EFAULT; - viafb_set_device(active_dev); + viafb_set_device(u.active_dev); viafb_set_par(info); break; case VIAFB_GET_DEVICE: - active_dev.crt = viafb_CRT_ON; - active_dev.dvi = viafb_DVI_ON; - active_dev.lcd = viafb_LCD_ON; - active_dev.samm = viafb_SAMM_ON; - active_dev.primary_dev = viafb_primary_dev; + u.active_dev.crt = viafb_CRT_ON; + u.active_dev.dvi = viafb_DVI_ON; + u.active_dev.lcd = viafb_LCD_ON; + u.active_dev.samm = viafb_SAMM_ON; + u.active_dev.primary_dev = viafb_primary_dev; - active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; - active_dev.lcd_panel_id = viafb_lcd_panel_id; - active_dev.lcd_mode = viafb_lcd_mode; + u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method; + u.active_dev.lcd_panel_id = viafb_lcd_panel_id; + u.active_dev.lcd_mode = viafb_lcd_mode; - active_dev.xres = viafb_hotplug_Xres; - active_dev.yres = viafb_hotplug_Yres; + u.active_dev.xres = viafb_hotplug_Xres; + u.active_dev.yres = viafb_hotplug_Yres; - active_dev.xres1 = viafb_second_xres; - active_dev.yres1 = viafb_second_yres; + u.active_dev.xres1 = viafb_second_xres; + u.active_dev.yres1 = viafb_second_yres; - active_dev.bpp = viafb_bpp; - active_dev.bpp1 = viafb_bpp1; - active_dev.refresh = viafb_refresh; - active_dev.refresh1 = viafb_refresh1; + u.active_dev.bpp = viafb_bpp; + u.active_dev.bpp1 = viafb_bpp1; + u.active_dev.refresh = viafb_refresh; + u.active_dev.refresh1 = viafb_refresh1; - active_dev.epia_dvi = viafb_platform_epia_dvi; - active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; - active_dev.bus_width = viafb_bus_width; + u.active_dev.epia_dvi = viafb_platform_epia_dvi; + u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge; + u.active_dev.bus_width = viafb_bus_width; - if (copy_to_user(argp, &active_dev, sizeof(active_dev))) + if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev))) return -EFAULT; break; case VIAFB_GET_DRIVER_VERSION: - driver_version.iMajorNum = VERSION_MAJOR; - driver_version.iKernelNum = VERSION_KERNEL; - driver_version.iOSNum = VERSION_OS; - driver_version.iMinorNum = VERSION_MINOR; + u.driver_version.iMajorNum = VERSION_MAJOR; + u.driver_version.iKernelNum = VERSION_KERNEL; + u.driver_version.iOSNum = VERSION_OS; + u.driver_version.iMinorNum = VERSION_MINOR; - if (copy_to_user(argp, &driver_version, - sizeof(driver_version))) + if (copy_to_user(argp, &u.driver_version, + sizeof(u.driver_version))) return -EFAULT; break; case VIAFB_SET_DEVICE_INFO: - if (copy_from_user(&viafb_setting, - argp, sizeof(viafb_setting))) + if (copy_from_user(&u.viafb_setting, + argp, sizeof(u.viafb_setting))) return -EFAULT; - if (apply_device_setting(viafb_setting, info) < 0) + if (apply_device_setting(u.viafb_setting, info) < 0) return -EINVAL; break; case VIAFB_SET_SECOND_MODE: - if (copy_from_user(&sec_var, argp, sizeof(sec_var))) + if (copy_from_user(&u.sec_var, argp, sizeof(u.sec_var))) return -EFAULT; - apply_second_mode_setting(&sec_var); + apply_second_mode_setting(&u.sec_var); break; case VIAFB_GET_DEVICE_INFO: - retrieve_device_setting(&viafb_setting); + retrieve_device_setting(&u.viafb_setting); - if (copy_to_user(argp, &viafb_setting, sizeof(viafb_setting))) + if (copy_to_user(argp, &u.viafb_setting, + sizeof(u.viafb_setting))) return -EFAULT; break; @@ -806,51 +809,51 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg) break; case VIAFB_GET_PANEL_MAX_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_MAX_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_GET_PANEL_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; - panel_pos_size_para.x = panel_pos_size_para.y = 0; - if (copy_to_user(argp, &panel_pos_size_para, - sizeof(panel_pos_size_para))) + u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0; + if (copy_to_user(argp, &u.panel_pos_size_para, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_SET_PANEL_POSITION: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; case VIAFB_SET_PANEL_SIZE: - if (copy_from_user - (&panel_pos_size_para, argp, sizeof(panel_pos_size_para))) + if (copy_from_user(&u.panel_pos_size_para, argp, + sizeof(u.panel_pos_size_para))) return -EFAULT; break; @@ -1052,10 +1055,8 @@ static void viafb_imageblit(struct fb_info *info, static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) { - u8 data[CURSOR_SIZE / 8]; - u32 data_bak[CURSOR_SIZE / 32]; u32 temp, xx, yy, bg_col = 0, fg_col = 0; - int size, i, j = 0; + int i, j = 0; static int hw_cursor; struct viafb_par *p_viafb_par; @@ -1178,22 +1179,29 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) } if (cursor->set & FB_CUR_SETSHAPE) { - size = + struct { + u8 data[CURSOR_SIZE / 8]; + u32 bak[CURSOR_SIZE / 32]; + } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC); + int size = ((viacursor.image.width + 7) >> 3) * viacursor.image.height; + if (cr_data == NULL) + goto out; + if (MAX_CURS == 32) { for (i = 0; i < (CURSOR_SIZE / 32); i++) { - data_bak[i] = 0x0; - data_bak[i + 1] = 0xFFFFFFFF; + cr_data->bak[i] = 0x0; + cr_data->bak[i + 1] = 0xFFFFFFFF; i += 1; } } else if (MAX_CURS == 64) { for (i = 0; i < (CURSOR_SIZE / 32); i++) { - data_bak[i] = 0x0; - data_bak[i + 1] = 0x0; - data_bak[i + 2] = 0xFFFFFFFF; - data_bak[i + 3] = 0xFFFFFFFF; + cr_data->bak[i] = 0x0; + cr_data->bak[i + 1] = 0x0; + cr_data->bak[i + 2] = 0xFFFFFFFF; + cr_data->bak[i + 3] = 0xFFFFFFFF; i += 3; } } @@ -1201,12 +1209,12 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) switch (viacursor.rop) { case ROP_XOR: for (i = 0; i < size; i++) - data[i] = viacursor.mask[i]; + cr_data->data[i] = viacursor.mask[i]; break; case ROP_COPY: for (i = 0; i < size; i++) - data[i] = viacursor.mask[i]; + cr_data->data[i] = viacursor.mask[i]; break; default: break; @@ -1214,23 +1222,25 @@ static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor) if (MAX_CURS == 32) { for (i = 0; i < size; i++) { - data_bak[j] = (u32) data[i]; - data_bak[j + 1] = ~data_bak[j]; + cr_data->bak[j] = (u32) cr_data->data[i]; + cr_data->bak[j + 1] = ~cr_data->bak[j]; j += 2; } } else if (MAX_CURS == 64) { for (i = 0; i < size; i++) { - data_bak[j] = (u32) data[i]; - data_bak[j + 1] = 0x0; - data_bak[j + 2] = ~data_bak[j]; - data_bak[j + 3] = ~data_bak[j + 1]; + cr_data->bak[j] = (u32) cr_data->data[i]; + cr_data->bak[j + 1] = 0x0; + cr_data->bak[j + 2] = ~cr_data->bak[j]; + cr_data->bak[j + 3] = ~cr_data->bak[j + 1]; j += 4; } } memcpy(((struct viafb_par *)(info->par))->fbmem_virt + ((struct viafb_par *)(info->par))->cursor_start, - data_bak, CURSOR_SIZE); + cr_data->bak, CURSOR_SIZE); +out: + kfree(cr_data); } if (viacursor.enable) -- cgit v0.10.2 From 54566b2c1594c2326a645a3551f9d989f7ba3c5e Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Sun, 4 Jan 2009 12:00:53 -0800 Subject: fs: symlink write_begin allocation context fix With the write_begin/write_end aops, page_symlink was broken because it could no longer pass a GFP_NOFS type mask into the point where the allocations happened. They are done in write_begin, which would always assume that the filesystem can be entered from reclaim. This bug could cause filesystem deadlocks. The funny thing with having a gfp_t mask there is that it doesn't really allow the caller to arbitrarily tinker with the context in which it can be called. It couldn't ever be GFP_ATOMIC, for example, because it needs to take the page lock. The only thing any callers care about is __GFP_FS anyway, so turn that into a single flag. Add a new flag for write_begin, AOP_FLAG_NOFS. Filesystems can now act on this flag in their write_begin function. Change __grab_cache_page to accept a nofs argument as well, to honour that flag (while we're there, change the name to grab_cache_page_write_begin which is more instructive and does away with random leading underscores). This is really a more flexible way to go in the end anyway -- if a filesystem happens to want any extra allocations aside from the pagecache ones in ints write_begin function, it may now use GFP_KERNEL (rather than GFP_NOFS) for common case allocations (eg. ocfs2_alloc_write_ctxt, for a random example). [kosaki.motohiro@jp.fujitsu.com: fix ubifs] [kosaki.motohiro@jp.fujitsu.com: fix fuse] Signed-off-by: Nick Piggin Reviewed-by: KOSAKI Motohiro Cc: [2.6.28.x] Signed-off-by: KOSAKI Motohiro Signed-off-by: Andrew Morton [ Cleaned up the calling convention: just pass in the AOP flags untouched to the grab_cache_page_write_begin() function. That just simplifies everybody, and may even allow future expansion of the logic. - Linus ] Signed-off-by: Linus Torvalds diff --git a/fs/affs/file.c b/fs/affs/file.c index 1377b12..9246cb4 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -628,7 +628,7 @@ static int affs_write_begin_ofs(struct file *file, struct address_space *mapping } index = pos >> PAGE_CACHE_SHIFT; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/afs/write.c b/fs/afs/write.c index d6b85da..3fb36d4 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -144,7 +144,7 @@ int afs_write_begin(struct file *file, struct address_space *mapping, candidate->state = AFS_WBACK_PENDING; init_waitqueue_head(&candidate->waitq); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { kfree(candidate); return -ENOMEM; diff --git a/fs/buffer.c b/fs/buffer.c index 776ae09..a13f09b 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1996,7 +1996,7 @@ int block_write_begin(struct file *file, struct address_space *mapping, page = *pagep; if (page == NULL) { ownpage = 1; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { status = -ENOMEM; goto out; @@ -2502,7 +2502,7 @@ int nobh_write_begin(struct file *file, struct address_space *mapping, from = pos & (PAGE_CACHE_SIZE - 1); to = from + len; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index b1e1fc6..12bb656 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2074,7 +2074,7 @@ static int cifs_write_begin(struct file *file, struct address_space *mapping, cFYI(1, ("write_begin from %lld len %d", (long long)pos, len)); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { rc = -ENOMEM; goto out; diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 04d7b3f..46cec2b 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -288,7 +288,7 @@ static int ecryptfs_write_begin(struct file *file, loff_t prev_page_end_size; int rc = 0; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index c4bdccf..5fa453b 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1161,7 +1161,7 @@ static int ext3_write_begin(struct file *file, struct address_space *mapping, to = from + len; retry: - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 297ea8d..1dd2abe 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -2175,8 +2175,7 @@ retry: * We have a transaction open. All is sweetness. It also sets * i_size in generic_commit_write(). */ - err = __page_symlink(inode, symname, l, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + err = __page_symlink(inode, symname, l, 1); if (err) { drop_nlink(inode); unlock_new_inode(inode); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 7c3325e..6702a49 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1346,7 +1346,7 @@ retry: goto out; } - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { ext4_journal_stop(handle); ret = -ENOMEM; @@ -2550,7 +2550,7 @@ retry: goto out; } - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) { ext4_journal_stop(handle); ret = -ENOMEM; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index da98a90..9fd2a5e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2212,8 +2212,7 @@ retry: * We have a transaction open. All is sweetness. It also sets * i_size in generic_commit_write(). */ - err = __page_symlink(inode, symname, l, - mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS); + err = __page_symlink(inode, symname, l, 1); if (err) { clear_nlink(inode); unlock_new_inode(inode); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 34930a9..4c9ee70 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -646,7 +646,7 @@ static int fuse_write_begin(struct file *file, struct address_space *mapping, { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; @@ -779,7 +779,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, break; err = -ENOMEM; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, 0); if (!page) break; diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 2756381..15f710f 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -675,7 +675,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, goto out_trans_fail; error = -ENOMEM; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); *pagep = page; if (unlikely(!page)) goto out_endtrans; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 3a31451..5c538e0 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -501,7 +501,7 @@ int hostfs_write_begin(struct file *file, struct address_space *mapping, { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 5a98aa8..5edc2bf 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -132,7 +132,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, uint32_t pageofs = index << PAGE_CACHE_SHIFT; int ret = 0; - pg = __grab_cache_page(mapping, index); + pg = grab_cache_page_write_begin(mapping, index, flags); if (!pg) return -ENOMEM; *pagep = pg; diff --git a/fs/libfs.c b/fs/libfs.c index e960a83..bdaec17 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -360,7 +360,7 @@ int simple_write_begin(struct file *file, struct address_space *mapping, index = pos >> PAGE_CACHE_SHIFT; from = pos & (PAGE_CACHE_SIZE - 1); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; diff --git a/fs/namei.c b/fs/namei.c index dd5c9f0..df2d3df 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2817,18 +2817,23 @@ void page_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) } } -int __page_symlink(struct inode *inode, const char *symname, int len, - gfp_t gfp_mask) +/* + * The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS + */ +int __page_symlink(struct inode *inode, const char *symname, int len, int nofs) { struct address_space *mapping = inode->i_mapping; struct page *page; void *fsdata; int err; char *kaddr; + unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE; + if (nofs) + flags |= AOP_FLAG_NOFS; retry: err = pagecache_write_begin(NULL, mapping, 0, len-1, - AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata); + flags, &page, &fsdata); if (err) goto fail; @@ -2852,7 +2857,7 @@ fail: int page_symlink(struct inode *inode, const char *symname, int len) { return __page_symlink(inode, symname, len, - mapping_gfp_mask(inode->i_mapping)); + !(mapping_gfp_mask(inode->i_mapping) & __GFP_FS)); } const struct inode_operations page_symlink_inode_operations = { diff --git a/fs/nfs/file.c b/fs/nfs/file.c index d319b49..90f292b 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -354,7 +354,7 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping, file->f_path.dentry->d_name.name, mapping->host->i_ino, len, (long long) pos); - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 145c2d3..ed04f47 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2561,7 +2561,7 @@ static int reiserfs_write_begin(struct file *file, } index = pos >> PAGE_CACHE_SHIFT; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; *pagep = page; diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c index e4f8d51..92d5e8f 100644 --- a/fs/smbfs/file.c +++ b/fs/smbfs/file.c @@ -297,7 +297,7 @@ static int smb_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata) { pgoff_t index = pos >> PAGE_CACHE_SHIFT; - *pagep = __grab_cache_page(mapping, index); + *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index fe82d24..bf37374 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -219,7 +219,8 @@ static void release_existing_page_budget(struct ubifs_info *c) } static int write_begin_slow(struct address_space *mapping, - loff_t pos, unsigned len, struct page **pagep) + loff_t pos, unsigned len, struct page **pagep, + unsigned flags) { struct inode *inode = mapping->host; struct ubifs_info *c = inode->i_sb->s_fs_info; @@ -247,7 +248,7 @@ static int write_begin_slow(struct address_space *mapping, if (unlikely(err)) return err; - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (unlikely(!page)) { ubifs_release_budget(c, &req); return -ENOMEM; @@ -438,7 +439,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, return -EROFS; /* Try out the fast-path part first */ - page = __grab_cache_page(mapping, index); + page = grab_cache_page_write_begin(mapping, index, flags); if (unlikely(!page)) return -ENOMEM; @@ -483,7 +484,7 @@ static int ubifs_write_begin(struct file *file, struct address_space *mapping, unlock_page(page); page_cache_release(page); - return write_begin_slow(mapping, pos, len, pagep); + return write_begin_slow(mapping, pos, len, pagep, flags); } /* diff --git a/include/linux/fs.h b/include/linux/fs.h index e2170ee..f2a30101 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -423,6 +423,9 @@ enum positive_aop_returns { #define AOP_FLAG_UNINTERRUPTIBLE 0x0001 /* will not do a short write */ #define AOP_FLAG_CONT_EXPAND 0x0002 /* called from cont_expand */ +#define AOP_FLAG_NOFS 0x0004 /* used by filesystem to direct + * helper code (eg buffer layer) + * to clear GFP_FS from alloc */ /* * oh the beauties of C type declarations. @@ -2035,7 +2038,7 @@ extern int page_readlink(struct dentry *, char __user *, int); extern void *page_follow_link_light(struct dentry *, struct nameidata *); extern void page_put_link(struct dentry *, struct nameidata *, void *); extern int __page_symlink(struct inode *inode, const char *symname, int len, - gfp_t gfp_mask); + int nofs); extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern int generic_readlink(struct dentry *, char __user *, int); diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 709742b..01ca085 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -241,7 +241,8 @@ unsigned find_get_pages_contig(struct address_space *mapping, pgoff_t start, unsigned find_get_pages_tag(struct address_space *mapping, pgoff_t *index, int tag, unsigned int nr_pages, struct page **pages); -struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index); +struct page *grab_cache_page_write_begin(struct address_space *mapping, + pgoff_t index, unsigned flags); /* * Returns locked page at given index in given cache, creating it if needed. diff --git a/mm/filemap.c b/mm/filemap.c index f3e5f89..f8c6927 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2140,19 +2140,24 @@ EXPORT_SYMBOL(generic_file_direct_write); * Find or create a page at the given pagecache position. Return the locked * page. This function is specifically for buffered writes. */ -struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index) +struct page *grab_cache_page_write_begin(struct address_space *mapping, + pgoff_t index, unsigned flags) { int status; struct page *page; + gfp_t gfp_notmask = 0; + if (flags & AOP_FLAG_NOFS) + gfp_notmask = __GFP_FS; repeat: page = find_lock_page(mapping, index); if (likely(page)) return page; - page = page_cache_alloc(mapping); + page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask); if (!page) return NULL; - status = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL); + status = add_to_page_cache_lru(page, mapping, index, + GFP_KERNEL & ~gfp_notmask); if (unlikely(status)) { page_cache_release(page); if (status == -EEXIST) @@ -2161,7 +2166,7 @@ repeat: } return page; } -EXPORT_SYMBOL(__grab_cache_page); +EXPORT_SYMBOL(grab_cache_page_write_begin); static ssize_t generic_perform_write(struct file *file, struct iov_iter *i, loff_t pos) -- cgit v0.10.2 From 099e657625e801adf82054c8050dde5aceb68452 Mon Sep 17 00:00:00 2001 From: Alessandro Zummo Date: Sun, 4 Jan 2009 12:00:54 -0800 Subject: rtc: add alarm/update irq interfaces Add standard interfaces for alarm/update irqs enabling. Drivers are no more required to implement equivalent ioctl code as rtc-dev will provide it. UIE emulation should now be handled correctly and will work even for those RTC drivers who cannot be configured to do both UIE and AIE. Signed-off-by: Alessandro Zummo Cc: David Brownell Cc: Atsushi Nemoto Cc: Ralf Baechle Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 123092d..165a818 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -102,9 +102,13 @@ config RTC_INTF_DEV_UIE_EMUL depends on RTC_INTF_DEV help Provides an emulation for RTC_UIE if the underlying rtc chip - driver does not expose RTC_UIE ioctls. Those requests generate + driver does not expose RTC_UIE ioctls. Those requests generate once-per-second update interrupts, used for synchronization. + The emulation code will read the time from the hardware + clock several times per second, please enable this option + only if you know that you really need it. + config RTC_DRV_TEST tristate "Test driver/device" help diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index a04c1b6..fd2c652 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -307,6 +307,60 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_set_alarm); +int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled) +{ + int err = mutex_lock_interruptible(&rtc->ops_lock); + if (err) + return err; + + if (!rtc->ops) + err = -ENODEV; + else if (!rtc->ops->alarm_irq_enable) + err = -EINVAL; + else + err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled); + + mutex_unlock(&rtc->ops_lock); + return err; +} +EXPORT_SYMBOL_GPL(rtc_alarm_irq_enable); + +int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) +{ + int err = mutex_lock_interruptible(&rtc->ops_lock); + if (err) + return err; + +#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL + if (enabled == 0 && rtc->uie_irq_active) { + mutex_unlock(&rtc->ops_lock); + return rtc_dev_update_irq_enable_emul(rtc, enabled); + } +#endif + + if (!rtc->ops) + err = -ENODEV; + else if (!rtc->ops->update_irq_enable) + err = -EINVAL; + else + err = rtc->ops->update_irq_enable(rtc->dev.parent, enabled); + + mutex_unlock(&rtc->ops_lock); + +#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL + /* + * Enable emulation if the driver did not provide + * the update_irq_enable function pointer or if returned + * -EINVAL to signal that it has been configured without + * interrupts or that are not available at the moment. + */ + if (err == -EINVAL) + err = rtc_dev_update_irq_enable_emul(rtc, enabled); +#endif + return err; +} +EXPORT_SYMBOL_GPL(rtc_update_irq_enable); + /** * rtc_update_irq - report RTC periodic, alarm, and/or update irqs * @rtc: the rtc device diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index ecdea44..45152f4 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c @@ -92,10 +92,10 @@ static void rtc_uie_timer(unsigned long data) spin_unlock_irqrestore(&rtc->irq_lock, flags); } -static void clear_uie(struct rtc_device *rtc) +static int clear_uie(struct rtc_device *rtc) { spin_lock_irq(&rtc->irq_lock); - if (rtc->irq_active) { + if (rtc->uie_irq_active) { rtc->stop_uie_polling = 1; if (rtc->uie_timer_active) { spin_unlock_irq(&rtc->irq_lock); @@ -108,9 +108,10 @@ static void clear_uie(struct rtc_device *rtc) flush_scheduled_work(); spin_lock_irq(&rtc->irq_lock); } - rtc->irq_active = 0; + rtc->uie_irq_active = 0; } spin_unlock_irq(&rtc->irq_lock); + return 0; } static int set_uie(struct rtc_device *rtc) @@ -122,8 +123,8 @@ static int set_uie(struct rtc_device *rtc) if (err) return err; spin_lock_irq(&rtc->irq_lock); - if (!rtc->irq_active) { - rtc->irq_active = 1; + if (!rtc->uie_irq_active) { + rtc->uie_irq_active = 1; rtc->stop_uie_polling = 0; rtc->oldsecs = tm.tm_sec; rtc->uie_task_active = 1; @@ -134,6 +135,16 @@ static int set_uie(struct rtc_device *rtc) spin_unlock_irq(&rtc->irq_lock); return 0; } + +int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, unsigned int enabled) +{ + if (enabled) + return set_uie(rtc); + else + return clear_uie(rtc); +} +EXPORT_SYMBOL(rtc_dev_update_irq_enable_emul); + #endif /* CONFIG_RTC_INTF_DEV_UIE_EMUL */ static ssize_t @@ -357,6 +368,22 @@ static long rtc_dev_ioctl(struct file *file, err = rtc_irq_set_state(rtc, NULL, 0); break; + case RTC_AIE_ON: + mutex_unlock(&rtc->ops_lock); + return rtc_alarm_irq_enable(rtc, 1); + + case RTC_AIE_OFF: + mutex_unlock(&rtc->ops_lock); + return rtc_alarm_irq_enable(rtc, 0); + + case RTC_UIE_ON: + mutex_unlock(&rtc->ops_lock); + return rtc_update_irq_enable(rtc, 1); + + case RTC_UIE_OFF: + mutex_unlock(&rtc->ops_lock); + return rtc_update_irq_enable(rtc, 0); + case RTC_IRQP_SET: err = rtc_irq_set_freq(rtc, NULL, arg); break; @@ -401,17 +428,6 @@ static long rtc_dev_ioctl(struct file *file, err = -EFAULT; return err; -#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL - case RTC_UIE_OFF: - mutex_unlock(&rtc->ops_lock); - clear_uie(rtc); - return 0; - - case RTC_UIE_ON: - mutex_unlock(&rtc->ops_lock); - err = set_uie(rtc); - return err; -#endif default: err = -ENOTTY; break; @@ -440,7 +456,10 @@ static int rtc_dev_release(struct inode *inode, struct file *file) * Leave the alarm alone; it may be set to trigger a system wakeup * later, or be used by kernel code, and is a one-shot event anyway. */ + + /* Keep ioctl until all drivers are converted */ rtc_dev_ioctl(file, RTC_UIE_OFF, 0); + rtc_update_irq_enable(rtc, 0); rtc_irq_set_state(rtc, NULL, 0); if (rtc->ops->release) diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 91f597a..4046b75 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -145,6 +145,8 @@ struct rtc_class_ops { int (*irq_set_state)(struct device *, int enabled); int (*irq_set_freq)(struct device *, int freq); int (*read_callback)(struct device *, int data); + int (*alarm_irq_enable)(struct device *, unsigned int enabled); + int (*update_irq_enable)(struct device *, unsigned int enabled); }; #define RTC_DEVICE_NAME_SIZE 20 @@ -181,7 +183,7 @@ struct rtc_device struct timer_list uie_timer; /* Those fields are protected by rtc->irq_lock */ unsigned int oldsecs; - unsigned int irq_active:1; + unsigned int uie_irq_active:1; unsigned int stop_uie_polling:1; unsigned int uie_task_active:1; unsigned int uie_timer_active:1; @@ -216,6 +218,10 @@ extern int rtc_irq_set_state(struct rtc_device *rtc, struct rtc_task *task, int enabled); extern int rtc_irq_set_freq(struct rtc_device *rtc, struct rtc_task *task, int freq); +extern int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled); +extern int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled); +extern int rtc_dev_update_irq_enable_emul(struct rtc_device *rtc, + unsigned int enabled); typedef struct rtc_task { void (*func)(void *private_data); -- cgit v0.10.2 From a327ca2c2674c5a9a0073421df19bfc362698136 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 8 Jul 2008 19:00:26 +0200 Subject: remove CONFIG_KMOD Now that nothing depends on it any more, remove CONFIG_KMOD. Signed-off-by: Johannes Berg Signed-off-by: Rusty Russell diff --git a/init/Kconfig b/init/Kconfig index f628171..52847ee 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -916,12 +916,6 @@ config MODULE_SRCVERSION_ALL the version). With this option, such a "srcversion" field will be created for all modules. If unsure, say N. -config KMOD - def_bool y - help - This is being removed soon. These days, CONFIG_MODULES - implies CONFIG_KMOD, so use that instead. - endif # MODULES config INIT_ALL_POSSIBLE -- cgit v0.10.2 From ca4787b779dd698a2a33a328aa5fa90a3e954077 Mon Sep 17 00:00:00 2001 From: Tim Abbott Date: Mon, 5 Jan 2009 08:40:10 -0600 Subject: kernel/module.c: compare symbol values when marking symbols as exported in /proc/kallsyms. When there are two symbols in a module with the same name, one of which is exported, both will be marked as exported in /proc/kallsyms. There aren't any instances of this in the current kernel, but it is easy to construct a simple module with two compilation units that exhibits the problem. $ objdump -j .text -t testmod.ko | grep foo 00000000 l F .text 00000032 foo 00000080 g F .text 00000001 foo $ sudo insmod testmod.ko $ grep "T foo" /proc/kallsyms c28e8000 T foo [testmod] c28e8080 T foo [testmod] Fix this by comparing the symbol values once we've found the exported symbol table entry matching the symbol name. Tested using Ksplice: $ ksplice-create --patch=this_commit.patch --id=bar . $ sudo ksplice-apply ksplice-bar.tar.gz Done! $ grep "T foo" /proc/kallsyms c28e8080 T foo [testmod] Signed-off-by: Tim Abbott Cc: Rusty Russell Signed-off-by: Andrew Morton Signed-off-by: Rusty Russell diff --git a/kernel/module.c b/kernel/module.c index dd2a541..895c567 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1725,15 +1725,15 @@ static const struct kernel_symbol *lookup_symbol(const char *name, return NULL; } -static int is_exported(const char *name, const struct module *mod) +static int is_exported(const char *name, unsigned long value, + const struct module *mod) { - if (!mod && lookup_symbol(name, __start___ksymtab, __stop___ksymtab)) - return 1; + const struct kernel_symbol *ks; + if (!mod) + ks = lookup_symbol(name, __start___ksymtab, __stop___ksymtab); else - if (mod && lookup_symbol(name, mod->syms, mod->syms + mod->num_syms)) - return 1; - else - return 0; + ks = lookup_symbol(name, mod->syms, mod->syms + mod->num_syms); + return ks != NULL && ks->value == value; } /* As per nm */ @@ -2504,7 +2504,7 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, strlcpy(name, mod->strtab + mod->symtab[symnum].st_name, KSYM_NAME_LEN); strlcpy(module_name, mod->name, MODULE_NAME_LEN); - *exported = is_exported(name, mod); + *exported = is_exported(name, *value, mod); preempt_enable(); return 0; } -- cgit v0.10.2 From d1e99d7ae4e6bbd1ebb5e81ecd3af2b8793efee0 Mon Sep 17 00:00:00 2001 From: Jianjun Kong Date: Mon, 8 Dec 2008 14:26:29 +0800 Subject: module: fix warning of unused function when !CONFIG_PROC_FS MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix this warning: kernel/module.c:824: warning: ‘print_unload_info’ defined but not used print_unload_info() just was used when CONFIG_PROC_FS was defined. This patch mark print_unload_info() inline to solve the problem. Signed-off-by: Jianjun Kong Signed-off-by: Rusty Russell CC: Ingo Molnar CC: Américo Wang diff --git a/kernel/module.c b/kernel/module.c index 895c567..d3d2545 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -820,7 +820,7 @@ sys_delete_module(const char __user *name_user, unsigned int flags) return ret; } -static void print_unload_info(struct seq_file *m, struct module *mod) +static inline void print_unload_info(struct seq_file *m, struct module *mod) { struct module_use *use; int printed_something = 0; @@ -893,7 +893,7 @@ void module_put(struct module *module) EXPORT_SYMBOL(module_put); #else /* !CONFIG_MODULE_UNLOAD */ -static void print_unload_info(struct seq_file *m, struct module *mod) +static inline void print_unload_info(struct seq_file *m, struct module *mod) { /* We don't know the usage count, or what modules are using. */ seq_printf(m, " - -"); -- cgit v0.10.2 From 088af9a6e05d51e7c3dc85d45d8b7a52c3ee08d7 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Wed, 31 Dec 2008 12:31:18 +0100 Subject: module: fix module loading failure of large kernel modules for parisc When creating the final layout of a kernel module in memory, allow the module loader to reserve some additional memory in front of a given section. This is currently only needed for the parisc port which needs to put the stub entries there to fulfill the 17/22bit PCREL relocations with large kernel modules like xfs. Signed-off-by: Helge Deller Signed-off-by: Rusty Russell (renamed fn) diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index eb10339..c1f40c2 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -13,6 +13,9 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, char *secstrings, struct module *mod); +/* Additional bytes needed by arch in front of individual sections */ +unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section); + /* Allocator used for allocating struct module, core sections and init sections. Returns NULL on failure. */ void *module_alloc(unsigned long size); diff --git a/kernel/module.c b/kernel/module.c index d3d2545..4299aef 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1578,11 +1578,21 @@ static int simplify_symbols(Elf_Shdr *sechdrs, return ret; } +/* Additional bytes needed by arch in front of individual sections */ +unsigned int __weak arch_mod_section_prepend(struct module *mod, + unsigned int section) +{ + /* default implementation just returns zero */ + return 0; +} + /* Update size with this section: return offset. */ -static long get_offset(unsigned int *size, Elf_Shdr *sechdr) +static long get_offset(struct module *mod, unsigned int *size, + Elf_Shdr *sechdr, unsigned int section) { long ret; + *size += arch_mod_section_prepend(mod, section); ret = ALIGN(*size, sechdr->sh_addralign ?: 1); *size = ret + sechdr->sh_size; return ret; @@ -1622,7 +1632,7 @@ static void layout_sections(struct module *mod, || strncmp(secstrings + s->sh_name, ".init", 5) == 0) continue; - s->sh_entsize = get_offset(&mod->core_size, s); + s->sh_entsize = get_offset(mod, &mod->core_size, s, i); DEBUGP("\t%s\n", secstrings + s->sh_name); } if (m == 0) @@ -1640,7 +1650,7 @@ static void layout_sections(struct module *mod, || strncmp(secstrings + s->sh_name, ".init", 5) != 0) continue; - s->sh_entsize = (get_offset(&mod->init_size, s) + s->sh_entsize = (get_offset(mod, &mod->init_size, s, i) | INIT_OFFSET_MASK); DEBUGP("\t%s\n", secstrings + s->sh_name); } -- cgit v0.10.2 From c298be74492bece102f3379d14015638f1fd1fac Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Thu, 1 Jan 2009 22:25:30 +0100 Subject: parisc: fix module loading failure of large kernel modules On 32bit (and sometimes 64bit) and with big kernel modules like xfs or ipv6 the relocation types R_PARISC_PCREL17F and R_PARISC_PCREL22F may fail to reach their PLT stub if we only create one big stub array for all sections at the beginning of the core or init section. With this patch we now instead add individual PLT stub entries directly in front of the code sections where the stubs are actually called. This reduces the distance between the PCREL location and the stub entry so that the relocations can be fulfilled. While calculating the final layout of the kernel module in memory, the kernel module loader calls arch_mod_section_prepend() to request the to be reserved amount of memory in front of each individual section. Tested with 32- and 64bit kernels. Signed-off-by: Helge Deller Signed-off-by: Rusty Russell diff --git a/arch/parisc/include/asm/module.h b/arch/parisc/include/asm/module.h index c2cb49e..1f41234 100644 --- a/arch/parisc/include/asm/module.h +++ b/arch/parisc/include/asm/module.h @@ -23,8 +23,10 @@ struct mod_arch_specific { unsigned long got_offset, got_count, got_max; unsigned long fdesc_offset, fdesc_count, fdesc_max; - unsigned long stub_offset, stub_count, stub_max; - unsigned long init_stub_offset, init_stub_count, init_stub_max; + struct { + unsigned long stub_offset; + unsigned int stub_entries; + } *section; int unwind_section; struct unwind_table *unwind; }; diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index 44138c3..9013243 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -6,6 +6,7 @@ * * Linux/PA-RISC Project (http://www.parisc-linux.org/) * Copyright (C) 2003 Randolph Chung + * Copyright (C) 2008 Helge Deller * * * This program is free software; you can redistribute it and/or modify @@ -24,6 +25,19 @@ * * * Notes: + * - PLT stub handling + * On 32bit (and sometimes 64bit) and with big kernel modules like xfs or + * ipv6 the relocation types R_PARISC_PCREL17F and R_PARISC_PCREL22F may + * fail to reach their PLT stub if we only create one big stub array for + * all sections at the beginning of the core or init section. + * Instead we now insert individual PLT stub entries directly in front of + * of the code sections where the stubs are actually called. + * This reduces the distance between the PCREL location and the stub entry + * so that the relocations can be fulfilled. + * While calculating the final layout of the kernel module in memory, the + * kernel module loader calls arch_mod_section_prepend() to request the + * to be reserved amount of memory in front of each individual section. + * * - SEGREL32 handling * We are not doing SEGREL32 handling correctly. According to the ABI, we * should do a value offset, like this: @@ -58,9 +72,13 @@ #define DEBUGP(fmt...) #endif +#define RELOC_REACHABLE(val, bits) \ + (( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 ) || \ + ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) ? \ + 0 : 1) + #define CHECK_RELOC(val, bits) \ - if ( ( !((val) & (1<<((bits)-1))) && ((val)>>(bits)) != 0 ) || \ - ( ((val) & (1<<((bits)-1))) && ((val)>>(bits)) != (((__typeof__(val))(~0))>>((bits)+2)))) { \ + if (!RELOC_REACHABLE(val, bits)) { \ printk(KERN_ERR "module %s relocation of symbol %s is out of range (0x%lx in %d bits)\n", \ me->name, strtab + sym->st_name, (unsigned long)val, bits); \ return -ENOEXEC; \ @@ -92,13 +110,6 @@ static inline int in_local(struct module *me, void *loc) return in_init(me, loc) || in_core(me, loc); } -static inline int in_local_section(struct module *me, void *loc, void *dot) -{ - return (in_init(me, loc) && in_init(me, dot)) || - (in_core(me, loc) && in_core(me, dot)); -} - - #ifndef CONFIG_64BIT struct got_entry { Elf32_Addr addr; @@ -258,23 +269,42 @@ static inline unsigned long count_stubs(const Elf_Rela *rela, unsigned long n) /* Free memory returned from module_alloc */ void module_free(struct module *mod, void *module_region) { + kfree(mod->arch.section); + mod->arch.section = NULL; + vfree(module_region); /* FIXME: If module_region == mod->init_region, trim exception table entries. */ } +/* Additional bytes needed in front of individual sections */ +unsigned int arch_mod_section_prepend(struct module *mod, + unsigned int section) +{ + /* size needed for all stubs of this section (including + * one additional for correct alignment of the stubs) */ + return (mod->arch.section[section].stub_entries + 1) + * sizeof(struct stub_entry); +} + #define CONST int module_frob_arch_sections(CONST Elf_Ehdr *hdr, CONST Elf_Shdr *sechdrs, CONST char *secstrings, struct module *me) { - unsigned long gots = 0, fdescs = 0, stubs = 0, init_stubs = 0; + unsigned long gots = 0, fdescs = 0, len; unsigned int i; + len = hdr->e_shnum * sizeof(me->arch.section[0]); + me->arch.section = kzalloc(len, GFP_KERNEL); + if (!me->arch.section) + return -ENOMEM; + for (i = 1; i < hdr->e_shnum; i++) { - const Elf_Rela *rels = (void *)hdr + sechdrs[i].sh_offset; + const Elf_Rela *rels = (void *)sechdrs[i].sh_addr; unsigned long nrels = sechdrs[i].sh_size / sizeof(*rels); + unsigned int count, s; if (strncmp(secstrings + sechdrs[i].sh_name, ".PARISC.unwind", 14) == 0) @@ -290,11 +320,23 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, */ gots += count_gots(rels, nrels); fdescs += count_fdescs(rels, nrels); - if(strncmp(secstrings + sechdrs[i].sh_name, - ".rela.init", 10) == 0) - init_stubs += count_stubs(rels, nrels); - else - stubs += count_stubs(rels, nrels); + + /* XXX: By sorting the relocs and finding duplicate entries + * we could reduce the number of necessary stubs and save + * some memory. */ + count = count_stubs(rels, nrels); + if (!count) + continue; + + /* so we need relocation stubs. reserve necessary memory. */ + /* sh_info gives the section for which we need to add stubs. */ + s = sechdrs[i].sh_info; + + /* each code section should only have one relocation section */ + WARN_ON(me->arch.section[s].stub_entries); + + /* store number of stubs we need for this section */ + me->arch.section[s].stub_entries += count; } /* align things a bit */ @@ -306,18 +348,8 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, me->arch.fdesc_offset = me->core_size; me->core_size += fdescs * sizeof(Elf_Fdesc); - me->core_size = ALIGN(me->core_size, 16); - me->arch.stub_offset = me->core_size; - me->core_size += stubs * sizeof(struct stub_entry); - - me->init_size = ALIGN(me->init_size, 16); - me->arch.init_stub_offset = me->init_size; - me->init_size += init_stubs * sizeof(struct stub_entry); - me->arch.got_max = gots; me->arch.fdesc_max = fdescs; - me->arch.stub_max = stubs; - me->arch.init_stub_max = init_stubs; return 0; } @@ -380,23 +412,27 @@ enum elf_stub_type { }; static Elf_Addr get_stub(struct module *me, unsigned long value, long addend, - enum elf_stub_type stub_type, int init_section) + enum elf_stub_type stub_type, Elf_Addr loc0, unsigned int targetsec) { - unsigned long i; struct stub_entry *stub; - if(init_section) { - i = me->arch.init_stub_count++; - BUG_ON(me->arch.init_stub_count > me->arch.init_stub_max); - stub = me->module_init + me->arch.init_stub_offset + - i * sizeof(struct stub_entry); - } else { - i = me->arch.stub_count++; - BUG_ON(me->arch.stub_count > me->arch.stub_max); - stub = me->module_core + me->arch.stub_offset + - i * sizeof(struct stub_entry); + /* initialize stub_offset to point in front of the section */ + if (!me->arch.section[targetsec].stub_offset) { + loc0 -= (me->arch.section[targetsec].stub_entries + 1) * + sizeof(struct stub_entry); + /* get correct alignment for the stubs */ + loc0 = ALIGN(loc0, sizeof(struct stub_entry)); + me->arch.section[targetsec].stub_offset = loc0; } + /* get address of stub entry */ + stub = (void *) me->arch.section[targetsec].stub_offset; + me->arch.section[targetsec].stub_offset += sizeof(struct stub_entry); + + /* do not write outside available stub area */ + BUG_ON(0 == me->arch.section[targetsec].stub_entries--); + + #ifndef CONFIG_64BIT /* for 32-bit the stub looks like this: * ldil L'XXX,%r1 @@ -489,15 +525,19 @@ int apply_relocate_add(Elf_Shdr *sechdrs, Elf32_Addr val; Elf32_Sword addend; Elf32_Addr dot; + Elf_Addr loc0; + unsigned int targetsec = sechdrs[relsec].sh_info; //unsigned long dp = (unsigned long)$global$; register unsigned long dp asm ("r27"); DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); + targetsec); for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { /* This is where to make the change */ - loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + loc = (void *)sechdrs[targetsec].sh_addr + rel[i].r_offset; + /* This is the start of the target section */ + loc0 = sechdrs[targetsec].sh_addr; /* This is the symbol it is referring to */ sym = (Elf32_Sym *)sechdrs[symindex].sh_addr + ELF32_R_SYM(rel[i].r_info); @@ -569,19 +609,32 @@ int apply_relocate_add(Elf_Shdr *sechdrs, break; case R_PARISC_PCREL17F: /* 17-bit PC relative address */ - val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc)); + /* calculate direct call offset */ + val += addend; val = (val - dot - 8)/4; - CHECK_RELOC(val, 17) + if (!RELOC_REACHABLE(val, 17)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, addend, + ELF_STUB_DIRECT, loc0, targetsec); + val = (val - dot - 8)/4; + CHECK_RELOC(val, 17); + } *loc = (*loc & ~0x1f1ffd) | reassemble_17(val); break; case R_PARISC_PCREL22F: /* 22-bit PC relative address; only defined for pa20 */ - val = get_stub(me, val, addend, ELF_STUB_GOT, in_init(me, loc)); - DEBUGP("STUB FOR %s loc %lx+%lx at %lx\n", - strtab + sym->st_name, (unsigned long)loc, addend, - val) + /* calculate direct call offset */ + val += addend; val = (val - dot - 8)/4; - CHECK_RELOC(val, 22); + if (!RELOC_REACHABLE(val, 22)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, addend, + ELF_STUB_DIRECT, loc0, targetsec); + val = (val - dot - 8)/4; + CHECK_RELOC(val, 22); + } *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; @@ -610,13 +663,17 @@ int apply_relocate_add(Elf_Shdr *sechdrs, Elf64_Addr val; Elf64_Sxword addend; Elf64_Addr dot; + Elf_Addr loc0; + unsigned int targetsec = sechdrs[relsec].sh_info; DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); + targetsec); for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { /* This is where to make the change */ - loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + loc = (void *)sechdrs[targetsec].sh_addr + rel[i].r_offset; + /* This is the start of the target section */ + loc0 = sechdrs[targetsec].sh_addr; /* This is the symbol it is referring to */ sym = (Elf64_Sym *)sechdrs[symindex].sh_addr + ELF64_R_SYM(rel[i].r_info); @@ -672,42 +729,40 @@ int apply_relocate_add(Elf_Shdr *sechdrs, DEBUGP("PCREL22F Symbol %s loc %p val %lx\n", strtab + sym->st_name, loc, val); + val += addend; /* can we reach it locally? */ - if(!in_local_section(me, (void *)val, (void *)dot)) { - - if (in_local(me, (void *)val)) - /* this is the case where the - * symbol is local to the - * module, but in a different - * section, so stub the jump - * in case it's more than 22 - * bits away */ - val = get_stub(me, val, addend, ELF_STUB_DIRECT, - in_init(me, loc)); - else if (strncmp(strtab + sym->st_name, "$$", 2) + if (in_local(me, (void *)val)) { + /* this is the case where the symbol is local + * to the module, but in a different section, + * so stub the jump in case it's more than 22 + * bits away */ + val = (val - dot - 8)/4; + if (!RELOC_REACHABLE(val, 22)) { + /* direct distance too far, create + * stub entry instead */ + val = get_stub(me, sym->st_value, + addend, ELF_STUB_DIRECT, + loc0, targetsec); + } else { + /* Ok, we can reach it directly. */ + val = sym->st_value; + val += addend; + } + } else { + val = sym->st_value; + if (strncmp(strtab + sym->st_name, "$$", 2) == 0) val = get_stub(me, val, addend, ELF_STUB_MILLI, - in_init(me, loc)); + loc0, targetsec); else val = get_stub(me, val, addend, ELF_STUB_GOT, - in_init(me, loc)); + loc0, targetsec); } DEBUGP("STUB FOR %s loc %lx, val %lx+%lx at %lx\n", strtab + sym->st_name, loc, sym->st_value, addend, val); - /* FIXME: local symbols work as long as the - * core and init pieces aren't separated too - * far. If this is ever broken, you will trip - * the check below. The way to fix it would - * be to generate local stubs to go between init - * and core */ - if((Elf64_Sxword)(val - dot - 8) > 0x800000 -1 || - (Elf64_Sxword)(val - dot - 8) < -0x800000) { - printk(KERN_ERR "Module %s, symbol %s is out of range for PCREL22F relocation\n", - me->name, strtab + sym->st_name); - return -ENOEXEC; - } val = (val - dot - 8)/4; + CHECK_RELOC(val, 22); *loc = (*loc & ~0x3ff1ffd) | reassemble_22(val); break; case R_PARISC_DIR64: @@ -794,12 +849,8 @@ int module_finalize(const Elf_Ehdr *hdr, addr = (u32 *)entry->addr; printk("INSNS: %x %x %x %x\n", addr[0], addr[1], addr[2], addr[3]); - printk("stubs used %ld, stubs max %ld\n" - "init_stubs used %ld, init stubs max %ld\n" - "got entries used %ld, gots max %ld\n" + printk("got entries used %ld, gots max %ld\n" "fdescs used %ld, fdescs max %ld\n", - me->arch.stub_count, me->arch.stub_max, - me->arch.init_stub_count, me->arch.init_stub_max, me->arch.got_count, me->arch.got_max, me->arch.fdesc_count, me->arch.fdesc_max); #endif @@ -829,7 +880,10 @@ int module_finalize(const Elf_Ehdr *hdr, me->name, me->arch.got_count, MAX_GOTS); return -EINVAL; } - + + kfree(me->arch.section); + me->arch.section = NULL; + /* no symbol table */ if(symhdr == NULL) return 0; -- cgit v0.10.2 From 9ea09af3bd3090e8349ca2899ca2011bd94cda85 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 22 Dec 2008 12:36:30 +0100 Subject: stop_machine: introduce stop_machine_create/destroy. Introduce stop_machine_create/destroy. With this interface subsystems that need a non-failing stop_machine environment can create the stop_machine machine threads before actually calling stop_machine. When the threads aren't needed anymore they can be killed with stop_machine_destroy again. When stop_machine gets called and the threads aren't present they will be created and destroyed automatically. This restores the old behaviour of stop_machine. This patch also converts cpu hotplug to the new interface since it is special: cpu_down calls __stop_machine instead of stop_machine. However the kstop threads will only be created when stop_machine gets called. Changing the code so that the threads would be created automatically on __stop_machine is currently not possible: when __stop_machine gets called we hold cpu_add_remove_lock, which is the same lock that create_rt_workqueue would take. So the workqueue needs to be created before the cpu hotplug code locks cpu_add_remove_lock. Signed-off-by: Heiko Carstens Signed-off-by: Rusty Russell diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 74d59a6..baba3a2 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -35,6 +35,24 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); * won't come or go while it's being called. Used by hotplug cpu. */ int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus); + +/** + * stop_machine_create: create all stop_machine threads + * + * Description: This causes all stop_machine threads to be created before + * stop_machine actually gets called. This can be used by subsystems that + * need a non failing stop_machine infrastructure. + */ +int stop_machine_create(void); + +/** + * stop_machine_destroy: destroy all stop_machine threads + * + * Description: This causes all stop_machine threads which were created with + * stop_machine_create to be destroyed again. + */ +void stop_machine_destroy(void); + #else static inline int stop_machine(int (*fn)(void *), void *data, @@ -46,5 +64,9 @@ static inline int stop_machine(int (*fn)(void *), void *data, local_irq_enable(); return ret; } + +static inline int stop_machine_create(void) { return 0; } +static inline void stop_machine_destroy(void) { } + #endif /* CONFIG_SMP */ #endif /* _LINUX_STOP_MACHINE */ diff --git a/kernel/cpu.c b/kernel/cpu.c index 47fff3b..30e74dd 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -269,8 +269,11 @@ out_release: int __ref cpu_down(unsigned int cpu) { - int err = 0; + int err; + err = stop_machine_create(); + if (err) + return err; cpu_maps_update_begin(); if (cpu_hotplug_disabled) { @@ -297,6 +300,7 @@ int __ref cpu_down(unsigned int cpu) out: cpu_maps_update_done(); + stop_machine_destroy(); return err; } EXPORT_SYMBOL(cpu_down); diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index 286c417..0cd415e 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -38,7 +38,10 @@ struct stop_machine_data { static unsigned int num_threads; static atomic_t thread_ack; static DEFINE_MUTEX(lock); - +/* setup_lock protects refcount, stop_machine_wq and stop_machine_work. */ +static DEFINE_MUTEX(setup_lock); +/* Users of stop_machine. */ +static int refcount; static struct workqueue_struct *stop_machine_wq; static struct stop_machine_data active, idle; static const cpumask_t *active_cpus; @@ -109,6 +112,43 @@ static int chill(void *unused) return 0; } +int stop_machine_create(void) +{ + mutex_lock(&setup_lock); + if (refcount) + goto done; + stop_machine_wq = create_rt_workqueue("kstop"); + if (!stop_machine_wq) + goto err_out; + stop_machine_work = alloc_percpu(struct work_struct); + if (!stop_machine_work) + goto err_out; +done: + refcount++; + mutex_unlock(&setup_lock); + return 0; + +err_out: + if (stop_machine_wq) + destroy_workqueue(stop_machine_wq); + mutex_unlock(&setup_lock); + return -ENOMEM; +} +EXPORT_SYMBOL_GPL(stop_machine_create); + +void stop_machine_destroy(void) +{ + mutex_lock(&setup_lock); + refcount--; + if (refcount) + goto done; + destroy_workqueue(stop_machine_wq); + free_percpu(stop_machine_work); +done: + mutex_unlock(&setup_lock); +} +EXPORT_SYMBOL_GPL(stop_machine_destroy); + int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) { struct work_struct *sm_work; @@ -146,19 +186,14 @@ int stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus) { int ret; + ret = stop_machine_create(); + if (ret) + return ret; /* No CPUs can come up or down during this. */ get_online_cpus(); ret = __stop_machine(fn, data, cpus); put_online_cpus(); - + stop_machine_destroy(); return ret; } EXPORT_SYMBOL_GPL(stop_machine); - -static int __init stop_machine_init(void) -{ - stop_machine_wq = create_rt_workqueue("kstop"); - stop_machine_work = alloc_percpu(struct work_struct); - return 0; -} -core_initcall(stop_machine_init); -- cgit v0.10.2 From 9e01892c4234070bbcf3a9f582514c8b91464375 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 22 Dec 2008 12:36:31 +0100 Subject: module: convert to stop_machine_create/destroy. The module code relies on a non-failing stop_machine call. So we create the kstop threads in advance and with that make sure the call won't fail. Signed-off-by: Heiko Carstens Signed-off-by: Rusty Russell diff --git a/kernel/module.c b/kernel/module.c index 4299aef..f47cce9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -757,8 +757,16 @@ sys_delete_module(const char __user *name_user, unsigned int flags) return -EFAULT; name[MODULE_NAME_LEN-1] = '\0'; - if (mutex_lock_interruptible(&module_mutex) != 0) - return -EINTR; + /* Create stop_machine threads since free_module relies on + * a non-failing stop_machine call. */ + ret = stop_machine_create(); + if (ret) + return ret; + + if (mutex_lock_interruptible(&module_mutex) != 0) { + ret = -EINTR; + goto out_stop; + } mod = find_module(name); if (!mod) { @@ -817,6 +825,8 @@ sys_delete_module(const char __user *name_user, unsigned int flags) out: mutex_unlock(&module_mutex); +out_stop: + stop_machine_destroy(); return ret; } @@ -1875,6 +1885,13 @@ static noinline struct module *load_module(void __user *umod, /* vmalloc barfs on "unusual" numbers. Check here */ if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL) return ERR_PTR(-ENOMEM); + + /* Create stop_machine threads since the error path relies on + * a non-failing stop_machine call. */ + err = stop_machine_create(); + if (err) + goto free_hdr; + if (copy_from_user(hdr, umod, len) != 0) { err = -EFAULT; goto free_hdr; @@ -2258,6 +2275,7 @@ static noinline struct module *load_module(void __user *umod, /* Get rid of temporary copy */ vfree(hdr); + stop_machine_destroy(); /* Done! */ return mod; @@ -2280,6 +2298,7 @@ static noinline struct module *load_module(void __user *umod, kfree(args); free_hdr: vfree(hdr); + stop_machine_destroy(); return ERR_PTR(err); truncated: -- cgit v0.10.2 From 83c86984bff2d793c91eb710af7857828b9ddb49 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 4 Jan 2009 15:44:22 -0800 Subject: sparc: unify ipcbuf.h The ony difference is the size of the mode. sparc has extra padding to compensate for this. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 58f9b3a..aeaec45 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,9 +1,6 @@ # User exported sparc header files include include/asm-generic/Kbuild.asm -header-y += ipcbuf_32.h -header-y += ipcbuf_64.h - header-y += apc.h header-y += asi.h header-y += display7seg.h diff --git a/arch/sparc/include/asm/ipcbuf.h b/arch/sparc/include/asm/ipcbuf.h index 17d6ef7..66013b4 100644 --- a/arch/sparc/include/asm/ipcbuf.h +++ b/arch/sparc/include/asm/ipcbuf.h @@ -1,8 +1,32 @@ -#ifndef ___ASM_SPARC_IPCBUF_H -#define ___ASM_SPARC_IPCBUF_H -#if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif +#ifndef __SPARC_IPCBUF_H +#define __SPARC_IPCBUF_H + +/* + * The ipc64_perm structure for sparc/sparc64 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 32-bit seq + * - on sparc for 32 bit mode (it is 32 bit on sparc64) + * - 2 miscellaneous 64-bit values + */ + +struct ipc64_perm +{ + __kernel_key_t key; + __kernel_uid_t uid; + __kernel_gid_t gid; + __kernel_uid_t cuid; + __kernel_gid_t cgid; +#ifndef __arch64__ + unsigned short __pad0; #endif + __kernel_mode_t mode; + unsigned short __pad1; + unsigned short seq; + unsigned long long __unused1; + unsigned long long __unused2; +}; + +#endif /* __SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/asm/ipcbuf_32.h b/arch/sparc/include/asm/ipcbuf_32.h deleted file mode 100644 index 6387209..0000000 --- a/arch/sparc/include/asm/ipcbuf_32.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _SPARC_IPCBUF_H -#define _SPARC_IPCBUF_H - -/* - * The ipc64_perm structure for sparc architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode - * - 32-bit seq - * - 2 miscellaneous 64-bit values (so that this structure matches - * sparc64 ipc64_perm) - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - unsigned short __pad1; - __kernel_mode_t mode; - unsigned short __pad2; - unsigned short seq; - unsigned long long __unused1; - unsigned long long __unused2; -}; - -#endif /* _SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/asm/ipcbuf_64.h b/arch/sparc/include/asm/ipcbuf_64.h deleted file mode 100644 index a44b855..0000000 --- a/arch/sparc/include/asm/ipcbuf_64.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef _SPARC64_IPCBUF_H -#define _SPARC64_IPCBUF_H - -/* - * The ipc64_perm structure for sparc64 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _SPARC64_IPCBUF_H */ -- cgit v0.10.2 From 473321fc373e712fbb9b88e2c0736e55fddadab8 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 4 Jan 2009 15:47:49 -0800 Subject: MAINTAINERS: update sparc maintainer Reflect the current situation where David Miller is the sparc maintainer. I have tried to contact Bill on following adresses: wli@holomorphy.com wlirwin@us.ibm.com with no success and Bill has not been active on the sparclinux mailing list for a long time. As sparc and sparc64 are unified I unified the two entries in the MAINTAINERS file too. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/MAINTAINERS b/MAINTAINERS index befacf0..141aff6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4015,10 +4015,12 @@ L: alsa-devel@alsa-project.org (subscribers-only) W: http://alsa-project.org/main/index.php/ASoC S: Supported -SPARC (sparc32) -P: William L. Irwin -M: wli@holomorphy.com +SPARC + UltraSPARC (sparc/sparc64) +P: David S. Miller +M: davem@davemloft.net L: sparclinux@vger.kernel.org +T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git +T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git S: Maintained SPECIALIX IO8+ MULTIPORT SERIAL CARD DRIVER @@ -4302,13 +4304,6 @@ M: dushistov@mail.ru L: linux-kernel@vger.kernel.org S: Maintained -UltraSPARC (sparc64) -P: David S. Miller -M: davem@davemloft.net -L: sparclinux@vger.kernel.org -T: git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git -S: Maintained - ULTRA-WIDEBAND (UWB) SUBSYSTEM: P: David Vrabel M: david.vrabel@csr.com -- cgit v0.10.2 From 14deae41566b5cdd992c01d0069518ced5227c83 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 4 Jan 2009 16:04:39 -0800 Subject: ipv6: Fix sporadic sendmsg -EINVAL when sending to multicast groups. Thanks to excellent diagnosis by Eduard Guzovsky. The core problem is that on a network with lots of active multicast traffic, the neighbour cache can fill up. If we try to allocate a new route and thus neighbour cache entry, the bog-standard GC attempt the neighbour layer does in ineffective because route entries hold a reference to the existing neighbour entries and GC can only liberate entries with no references. IPV4 already has a way to handle this, by doing a route cache GC in such situations (when neigh attach returns -ENOBUFS). So simply mimick this on the ipv6 side. Tested-by: Eduard Guzovsky Signed-off-by: David S. Miller diff --git a/include/net/ndisc.h b/include/net/ndisc.h index ce532f2..1459ed3 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -155,9 +155,9 @@ static inline struct neighbour * ndisc_get_neigh(struct net_device *dev, const s { if (dev) - return __neigh_lookup(&nd_tbl, addr, dev, 1); + return __neigh_lookup_errno(&nd_tbl, addr, dev); - return NULL; + return ERR_PTR(-ENODEV); } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 18c486c..76f06b9 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -627,6 +627,9 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad rt = ip6_rt_copy(ort); if (rt) { + struct neighbour *neigh; + int attempts = !in_softirq(); + if (!(rt->rt6i_flags&RTF_GATEWAY)) { if (rt->rt6i_dst.plen != 128 && ipv6_addr_equal(&rt->rt6i_dst.addr, daddr)) @@ -646,7 +649,35 @@ static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *dad } #endif - rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + retry: + neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + if (IS_ERR(neigh)) { + struct net *net = dev_net(rt->rt6i_dev); + int saved_rt_min_interval = + net->ipv6.sysctl.ip6_rt_gc_min_interval; + int saved_rt_elasticity = + net->ipv6.sysctl.ip6_rt_gc_elasticity; + + if (attempts-- > 0) { + net->ipv6.sysctl.ip6_rt_gc_elasticity = 1; + net->ipv6.sysctl.ip6_rt_gc_min_interval = 0; + + ip6_dst_gc(net->ipv6.ip6_dst_ops); + + net->ipv6.sysctl.ip6_rt_gc_elasticity = + saved_rt_elasticity; + net->ipv6.sysctl.ip6_rt_gc_min_interval = + saved_rt_min_interval; + goto retry; + } + + if (net_ratelimit()) + printk(KERN_WARNING + "Neighbour table overflow.\n"); + dst_free(&rt->u.dst); + return NULL; + } + rt->rt6i_nexthop = neigh; } @@ -945,8 +976,11 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, dev_hold(dev); if (neigh) neigh_hold(neigh); - else + else { neigh = ndisc_get_neigh(dev, addr); + if (IS_ERR(neigh)) + neigh = NULL; + } rt->rt6i_dev = dev; rt->rt6i_idev = idev; @@ -1887,6 +1921,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, { struct net *net = dev_net(idev->dev); struct rt6_info *rt = ip6_dst_alloc(net->ipv6.ip6_dst_ops); + struct neighbour *neigh; if (rt == NULL) return ERR_PTR(-ENOMEM); @@ -1909,11 +1944,18 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, rt->rt6i_flags |= RTF_ANYCAST; else rt->rt6i_flags |= RTF_LOCAL; - rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); - if (rt->rt6i_nexthop == NULL) { + neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway); + if (IS_ERR(neigh)) { dst_free(&rt->u.dst); - return ERR_PTR(-ENOMEM); + + /* We are casting this because that is the return + * value type. But an errno encoded pointer is the + * same regardless of the underlying pointer type, + * and that's what we are returning. So this is OK. + */ + return (struct rt6_info *) neigh; } + rt->rt6i_nexthop = neigh; ipv6_addr_copy(&rt->rt6i_dst.addr, addr); rt->rt6i_dst.plen = 128; -- cgit v0.10.2 From 949b42544a20fb22800e244a004ff45bd359a21b Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Date: Sun, 4 Jan 2009 16:09:40 -0800 Subject: firmware: convert acenic driver to request_firmware() We store the firmware in its native big-endian form now, so the loop in ace_copy() is modified to use be32_to_cpup() when writing it out. We can forget the BSS,SBSS sections of the firmware, since we were clearing all the device's RAM anyway. And the text,rodata,data sections can all be loaded as a single chunk since they're contiguous (give or take a few dozen bytes in between). Signed-off-by: Jaswinder Singh Signed-off-by: David Woodhouse Acked-by: Jes Sorensen Signed-off-by: David S. Miller diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c index 517fce4..5b396ff 100644 --- a/drivers/net/acenic.c +++ b/drivers/net/acenic.c @@ -66,6 +66,7 @@ #include #include #include +#include #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) #include @@ -186,8 +187,6 @@ MODULE_DEVICE_TABLE(pci, acenic_pci_tbl); #define MAX_RODATA_LEN 8*1024 #define MAX_DATA_LEN 2*1024 -#include "acenic_firmware.h" - #ifndef tigon2FwReleaseLocal #define tigon2FwReleaseLocal 0 #endif @@ -417,6 +416,10 @@ static int dis_pci_mem_inval[ACE_MAX_MOD_PARMS] = {1, 1, 1, 1, 1, 1, 1, 1}; MODULE_AUTHOR("Jes Sorensen "); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver"); +#ifndef CONFIG_ACENIC_OMIT_TIGON_I +MODULE_FIRMWARE("acenic/tg1.bin"); +#endif +MODULE_FIRMWARE("acenic/tg2.bin"); module_param_array_named(link, link_state, int, NULL, 0); module_param_array(trace, int, NULL, 0); @@ -943,8 +946,8 @@ static int __devinit ace_init(struct net_device *dev) case 4: case 5: printk(KERN_INFO " Tigon I (Rev. %i), Firmware: %i.%i.%i, ", - tig_ver, tigonFwReleaseMajor, tigonFwReleaseMinor, - tigonFwReleaseFix); + tig_ver, ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); writel(0, ®s->LocalCtrl); ap->version = 1; ap->tx_ring_entries = TIGON_I_TX_RING_ENTRIES; @@ -952,8 +955,8 @@ static int __devinit ace_init(struct net_device *dev) #endif case 6: printk(KERN_INFO " Tigon II (Rev. %i), Firmware: %i.%i.%i, ", - tig_ver, tigon2FwReleaseMajor, tigon2FwReleaseMinor, - tigon2FwReleaseFix); + tig_ver, ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); writel(readl(®s->CpuBCtrl) | CPU_HALT, ®s->CpuBCtrl); readl(®s->CpuBCtrl); /* PCI write posting */ /* @@ -1205,7 +1208,9 @@ static int __devinit ace_init(struct net_device *dev) memset(ap->info, 0, sizeof(struct ace_info)); memset(ap->skb, 0, sizeof(struct ace_skb)); - ace_load_firmware(dev); + if (ace_load_firmware(dev)) + goto init_error; + ap->fw_running = 0; tmp_ptr = ap->info_dma; @@ -1441,10 +1446,7 @@ static int __devinit ace_init(struct net_device *dev) if (ap->version >= 2) writel(tmp, ®s->TuneFastLink); - if (ACE_IS_TIGON_I(ap)) - writel(tigonFwStartAddr, ®s->Pc); - if (ap->version == 2) - writel(tigon2FwStartAddr, ®s->Pc); + writel(ap->firmware_start, ®s->Pc); writel(0, ®s->Mb0Lo); @@ -2761,8 +2763,8 @@ static void ace_get_drvinfo(struct net_device *dev, strlcpy(info->driver, "acenic", sizeof(info->driver)); snprintf(info->version, sizeof(info->version), "%i.%i.%i", - tigonFwReleaseMajor, tigonFwReleaseMinor, - tigonFwReleaseFix); + ap->firmware_major, ap->firmware_minor, + ap->firmware_fix); if (ap->pdev) strlcpy(info->bus_info, pci_name(ap->pdev), @@ -2869,11 +2871,10 @@ static struct net_device_stats *ace_get_stats(struct net_device *dev) } -static void __devinit ace_copy(struct ace_regs __iomem *regs, void *src, - u32 dest, int size) +static void __devinit ace_copy(struct ace_regs __iomem *regs, const __be32 *src, + u32 dest, int size) { void __iomem *tdest; - u32 *wsrc; short tsize, i; if (size <= 0) @@ -2885,20 +2886,15 @@ static void __devinit ace_copy(struct ace_regs __iomem *regs, void *src, tdest = (void __iomem *) ®s->Window + (dest & (ACE_WINDOW_SIZE - 1)); writel(dest & ~(ACE_WINDOW_SIZE - 1), ®s->WinBase); - /* - * This requires byte swapping on big endian, however - * writel does that for us - */ - wsrc = src; for (i = 0; i < (tsize / 4); i++) { - writel(wsrc[i], tdest + i*4); + /* Firmware is big-endian */ + writel(be32_to_cpup(src), tdest); + src++; + tdest += 4; + dest += 4; + size -= 4; } - dest += tsize; - src += tsize; - size -= tsize; } - - return; } @@ -2937,8 +2933,13 @@ static void __devinit ace_clear(struct ace_regs __iomem *regs, u32 dest, int siz */ static int __devinit ace_load_firmware(struct net_device *dev) { + const struct firmware *fw; + const char *fw_name = "acenic/tg2.bin"; struct ace_private *ap = netdev_priv(dev); struct ace_regs __iomem *regs = ap->regs; + const __be32 *fw_data; + u32 load_addr; + int ret; if (!(readl(®s->CpuCtrl) & CPU_HALTED)) { printk(KERN_ERR "%s: trying to download firmware while the " @@ -2946,28 +2947,52 @@ static int __devinit ace_load_firmware(struct net_device *dev) return -EFAULT; } + if (ACE_IS_TIGON_I(ap)) + fw_name = "acenic/tg1.bin"; + + ret = request_firmware(&fw, fw_name, &ap->pdev->dev); + if (ret) { + printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n", + ap->name, fw_name); + return ret; + } + + fw_data = (void *)fw->data; + + /* Firmware blob starts with version numbers, followed by + load and start address. Remainder is the blob to be loaded + contiguously from load address. We don't bother to represent + the BSS/SBSS sections any more, since we were clearing the + whole thing anyway. */ + ap->firmware_major = fw->data[0]; + ap->firmware_minor = fw->data[1]; + ap->firmware_fix = fw->data[2]; + + ap->firmware_start = be32_to_cpu(fw_data[1]); + if (ap->firmware_start < 0x4000 || ap->firmware_start >= 0x80000) { + printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n", + ap->name, ap->firmware_start, fw_name); + ret = -EINVAL; + goto out; + } + + load_addr = be32_to_cpu(fw_data[2]); + if (load_addr < 0x4000 || load_addr >= 0x80000) { + printk(KERN_ERR "%s: bogus load address %08x in \"%s\"\n", + ap->name, load_addr, fw_name); + ret = -EINVAL; + goto out; + } + /* - * Do not try to clear more than 512KB or we end up seeing - * funny things on NICs with only 512KB SRAM + * Do not try to clear more than 512KiB or we end up seeing + * funny things on NICs with only 512KiB SRAM */ ace_clear(regs, 0x2000, 0x80000-0x2000); - if (ACE_IS_TIGON_I(ap)) { - ace_copy(regs, tigonFwText, tigonFwTextAddr, tigonFwTextLen); - ace_copy(regs, tigonFwData, tigonFwDataAddr, tigonFwDataLen); - ace_copy(regs, tigonFwRodata, tigonFwRodataAddr, - tigonFwRodataLen); - ace_clear(regs, tigonFwBssAddr, tigonFwBssLen); - ace_clear(regs, tigonFwSbssAddr, tigonFwSbssLen); - }else if (ap->version == 2) { - ace_clear(regs, tigon2FwBssAddr, tigon2FwBssLen); - ace_clear(regs, tigon2FwSbssAddr, tigon2FwSbssLen); - ace_copy(regs, tigon2FwText, tigon2FwTextAddr,tigon2FwTextLen); - ace_copy(regs, tigon2FwRodata, tigon2FwRodataAddr, - tigon2FwRodataLen); - ace_copy(regs, tigon2FwData, tigon2FwDataAddr,tigon2FwDataLen); - } - - return 0; + ace_copy(regs, &fw_data[3], load_addr, fw->size-12); + out: + release_firmware(fw); + return ret; } diff --git a/drivers/net/acenic.h b/drivers/net/acenic.h index 4487f327..c987c9b 100644 --- a/drivers/net/acenic.h +++ b/drivers/net/acenic.h @@ -694,6 +694,10 @@ struct ace_private u32 last_tx, last_std_rx, last_mini_rx; #endif int pci_using_dac; + u8 firmware_major; + u8 firmware_minor; + u8 firmware_fix; + u32 firmware_start; }; diff --git a/firmware/Makefile b/firmware/Makefile index 4993a4b..e333a42 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -20,6 +20,13 @@ fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE)) # accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all). # But be aware that the config file might not be included at all. +ifdef CONFIG_ACENIC_OMIT_TIGON_I +acenic-objs := acenic/tg2.bin +fw-shipped- += acenic/tg1.bin +else +acenic-objs := acenic/tg1.bin acenic/tg2.bin +endif +fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs) fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin diff --git a/firmware/WHENCE b/firmware/WHENCE index 8f06639..8823a43 100644 --- a/firmware/WHENCE +++ b/firmware/WHENCE @@ -360,3 +360,14 @@ License: GPLv2 or OpenIB.org BSD license, no source visible -------------------------------------------------------------------------- +Driver: acenic -- Alteon AceNIC Gigabit Ethernet card + +File: acenic/tg1.bin +File: acenic/tg2.bin + +Licence: Unknown + +Found in hex form in kernel source, but source allegedly available at +http://alteon.shareable.org/ + 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tg2 firmware v12.4.11 */ -- cgit v0.10.2 From 077f849de42e58172e25ccb24df4c1a13e82420c Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Rajput Date: Sun, 4 Jan 2009 16:11:25 -0800 Subject: firmware: convert tg3 driver to request_firmware() Firmware blob looks like this... u8 firmware_major u8 firmware_minor u8 firmware_fix u8 pad __be32 start_address __be32 length (total, including BSS sections to be zeroed) data... (in __be32 words, which is native for the firmware) Signed-off-by: Jaswinder Singh Rajput Signed-off-by: David S. Miller diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 04ae1e8..5e2dbae 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include @@ -137,6 +138,10 @@ #define TG3_NUM_TEST 6 +#define FIRMWARE_TG3 "tigon/tg3.bin" +#define FIRMWARE_TG3TSO "tigon/tg3_tso.bin" +#define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin" + static char version[] __devinitdata = DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; @@ -144,6 +149,10 @@ MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); +MODULE_FIRMWARE(FIRMWARE_TG3); +MODULE_FIRMWARE(FIRMWARE_TG3TSO); +MODULE_FIRMWARE(FIRMWARE_TG3TSO5); + static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */ module_param(tg3_debug, int, 0); @@ -6205,130 +6214,6 @@ static int tg3_halt(struct tg3 *tp, int kind, int silent) return 0; } -#define TG3_FW_RELEASE_MAJOR 0x0 -#define TG3_FW_RELASE_MINOR 0x0 -#define TG3_FW_RELEASE_FIX 0x0 -#define TG3_FW_START_ADDR 0x08000000 -#define TG3_FW_TEXT_ADDR 0x08000000 -#define TG3_FW_TEXT_LEN 0x9c0 -#define TG3_FW_RODATA_ADDR 0x080009c0 -#define TG3_FW_RODATA_LEN 0x60 -#define TG3_FW_DATA_ADDR 0x08000a40 -#define TG3_FW_DATA_LEN 0x20 -#define TG3_FW_SBSS_ADDR 0x08000a60 -#define TG3_FW_SBSS_LEN 0xc -#define TG3_FW_BSS_ADDR 0x08000a70 -#define TG3_FW_BSS_LEN 0x10 - -static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = { - 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800, - 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000, - 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034, - 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000, - 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105, - 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0, - 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010, - 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01, - 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c, - 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000, - 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400, - 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c, - 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000, - 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64, - 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000, - 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, - 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68, - 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003, - 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800, - 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001, - 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60, - 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008, - 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, - 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b, - 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, - 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010, - 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74, - 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c, - 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800, - 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001, - 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028, - 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800, - 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0, - 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, - 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001, - 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810, - 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018, - 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec, - 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c, - 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74, - 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000, - 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c, - 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c, - 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df, - 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000, - 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800, - 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402, - 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00, - 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010, - 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df, - 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001, - 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008, - 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018, - 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b, - 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000, - 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008, - 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b, - 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001, - 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821, - 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000, - 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000, - 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821, - 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff, - 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010, - 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000, - 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428, - 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c, - 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e, - 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010, - 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000, - 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001, - 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000, - 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824, - 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000 -}; - -static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = { - 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430, - 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272, - 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000, - 0x00000000 -}; - -#if 0 /* All zeros, don't eat up space with it. */ -u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = { - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000 -}; -#endif - #define RX_CPU_SCRATCH_BASE 0x30000 #define RX_CPU_SCRATCH_SIZE 0x04000 #define TX_CPU_SCRATCH_BASE 0x34000 @@ -6383,15 +6268,9 @@ static int tg3_halt_cpu(struct tg3 *tp, u32 offset) } struct fw_info { - unsigned int text_base; - unsigned int text_len; - const u32 *text_data; - unsigned int rodata_base; - unsigned int rodata_len; - const u32 *rodata_data; - unsigned int data_base; - unsigned int data_len; - const u32 *data_data; + unsigned int fw_base; + unsigned int fw_len; + const __be32 *fw_data; }; /* tp->lock is held. */ @@ -6428,24 +6307,11 @@ static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_b write_op(tp, cpu_scratch_base + i, 0); tw32(cpu_base + CPU_STATE, 0xffffffff); tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT); - for (i = 0; i < (info->text_len / sizeof(u32)); i++) - write_op(tp, (cpu_scratch_base + - (info->text_base & 0xffff) + - (i * sizeof(u32))), - (info->text_data ? - info->text_data[i] : 0)); - for (i = 0; i < (info->rodata_len / sizeof(u32)); i++) - write_op(tp, (cpu_scratch_base + - (info->rodata_base & 0xffff) + - (i * sizeof(u32))), - (info->rodata_data ? - info->rodata_data[i] : 0)); - for (i = 0; i < (info->data_len / sizeof(u32)); i++) + for (i = 0; i < (info->fw_len / sizeof(u32)); i++) write_op(tp, (cpu_scratch_base + - (info->data_base & 0xffff) + + (info->fw_base & 0xffff) + (i * sizeof(u32))), - (info->data_data ? - info->data_data[i] : 0)); + be32_to_cpu(info->fw_data[i])); err = 0; @@ -6457,17 +6323,20 @@ out: static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) { struct fw_info info; + const __be32 *fw_data; int err, i; - info.text_base = TG3_FW_TEXT_ADDR; - info.text_len = TG3_FW_TEXT_LEN; - info.text_data = &tg3FwText[0]; - info.rodata_base = TG3_FW_RODATA_ADDR; - info.rodata_len = TG3_FW_RODATA_LEN; - info.rodata_data = &tg3FwRodata[0]; - info.data_base = TG3_FW_DATA_ADDR; - info.data_len = TG3_FW_DATA_LEN; - info.data_data = NULL; + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and length. We are setting complete length. + length = end_address_of_bss - start_address_of_text. + Remainder is the blob to be loaded contiguously + from start address. */ + + info.fw_base = be32_to_cpu(fw_data[1]); + info.fw_len = tp->fw->size - 12; + info.fw_data = &fw_data[3]; err = tg3_load_firmware_cpu(tp, RX_CPU_BASE, RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE, @@ -6483,21 +6352,21 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) /* Now startup only the RX cpu. */ tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); - tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR); + tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); for (i = 0; i < 5; i++) { - if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR) + if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base) break; tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT); - tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR); + tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); udelay(1000); } if (i >= 5) { printk(KERN_ERR PFX "tg3_load_firmware fails for %s " "to set RX CPU PC, is %08x should be %08x\n", tp->dev->name, tr32(RX_CPU_BASE + CPU_PC), - TG3_FW_TEXT_ADDR); + info.fw_base); return -ENODEV; } tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); @@ -6506,547 +6375,36 @@ static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) return 0; } - -#define TG3_TSO_FW_RELEASE_MAJOR 0x1 -#define TG3_TSO_FW_RELASE_MINOR 0x6 -#define TG3_TSO_FW_RELEASE_FIX 0x0 -#define TG3_TSO_FW_START_ADDR 0x08000000 -#define TG3_TSO_FW_TEXT_ADDR 0x08000000 -#define TG3_TSO_FW_TEXT_LEN 0x1aa0 -#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0 -#define TG3_TSO_FW_RODATA_LEN 0x60 -#define TG3_TSO_FW_DATA_ADDR 0x08001b20 -#define TG3_TSO_FW_DATA_LEN 0x30 -#define TG3_TSO_FW_SBSS_ADDR 0x08001b50 -#define TG3_TSO_FW_SBSS_LEN 0x2c -#define TG3_TSO_FW_BSS_ADDR 0x08001b80 -#define TG3_TSO_FW_BSS_LEN 0x894 - -static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = { - 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000, - 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800, - 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe, - 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800, - 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001, - 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c, - 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001, - 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, - 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001, - 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000, - 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001, - 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800, - 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c, - 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, - 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800, - 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c, - 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac, - 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800, - 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8, - 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8, - 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90, - 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068, - 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c, - 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021, - 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008, - 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b, - 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, - 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0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800, - 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800, - 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a, - 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02, - 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821, - 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023, - 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff, - 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042, - 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, - 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, - 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, - 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, - 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, - 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821, - 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800, - 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043, - 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021, - 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, - 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800, - 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff, - 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, - 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007, - 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402, - 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff, - 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021, - 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff, - 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005, - 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800, - 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4, - 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b, - 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4, - 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800, - 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034, - 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000, - 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac, - 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022, - 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000, - 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0, - 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021, - 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000, - 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc, - 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005, - 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080, - 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800, - 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014, - 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823, - 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021, - 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010, - 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5, - 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a, - 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021, - 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c, - 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005, - 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800, - 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500, - 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023, - 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821, - 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000, - 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021, - 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006, - 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0, - 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006, - 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905, - 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860, - 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab, - 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff, - 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a, - 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038, - 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020, - 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450, - 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003, - 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff, - 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002, - 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f, - 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000, - 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820, - 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4, - 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, - 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, - 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, - 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002, - 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff, - 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8, - 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438, - 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800, - 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800, - 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000, - 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000, - 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021, - 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, - 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, - 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b, - 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02, - 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, - 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, - 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff, - 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, - 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651, - 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, - 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0, - 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, - 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, - 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000, - 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800, - 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b, - 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010, - 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001, - 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800, - 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000, - 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008, - 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, - 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010, - 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000, -}; - -static const u32 tg3TsoFwRodata[] = { - 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000, - 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f, - 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000, - 0x00000000, -}; - -static const u32 tg3TsoFwData[] = { - 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, -}; - /* 5705 needs a special version of the TSO firmware. */ -#define TG3_TSO5_FW_RELEASE_MAJOR 0x1 -#define TG3_TSO5_FW_RELASE_MINOR 0x2 -#define TG3_TSO5_FW_RELEASE_FIX 0x0 -#define TG3_TSO5_FW_START_ADDR 0x00010000 -#define TG3_TSO5_FW_TEXT_ADDR 0x00010000 -#define TG3_TSO5_FW_TEXT_LEN 0xe90 -#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90 -#define TG3_TSO5_FW_RODATA_LEN 0x50 -#define TG3_TSO5_FW_DATA_ADDR 0x00010f00 -#define TG3_TSO5_FW_DATA_LEN 0x20 -#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20 -#define TG3_TSO5_FW_SBSS_LEN 0x28 -#define TG3_TSO5_FW_BSS_ADDR 0x00010f50 -#define TG3_TSO5_FW_BSS_LEN 0x88 - -static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = { - 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000, - 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001, - 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe, - 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001, - 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001, - 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378, - 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014, - 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400, - 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000, - 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200, - 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000, - 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, - 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821, - 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, - 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, - 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60, - 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821, - 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000, - 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028, - 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402, - 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014, - 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff, - 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b, - 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004, - 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8, - 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001, - 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021, - 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2, - 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a, - 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, - 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001, - 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001, - 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021, - 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000, - 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c, - 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005, - 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006, - 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c, - 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c, - 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021, - 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001, - 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b, - 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c, - 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76, - 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c, - 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70, - 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c, - 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72, - 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff, - 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78, - 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78, - 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005, - 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d, - 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005, - 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027, - 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d, - 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff, - 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001, - 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000, - 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a, - 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff, - 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001, - 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200, - 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001, - 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021, - 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, - 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00, - 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001, - 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000, - 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003, - 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001, - 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56, - 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4, - 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64, - 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088, - 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001, - 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57, - 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001, - 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001, - 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000, - 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001, - 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823, - 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001, - 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001, - 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001, - 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021, - 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, - 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, - 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001, - 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001, - 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec, - 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000, - 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024, - 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, - 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000, - 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, - 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, - 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001, - 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001, - 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff, - 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c, - 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54, - 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001, - 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, - 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624, - 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001, - 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, - 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283, - 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825, - 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003, - 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, - 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c, - 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009, - 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025, - 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008, - 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021, - 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001, - 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, - 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014, - 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001, - 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, - 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001, - 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020, - 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804, - 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20, - 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315, - 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005, - 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001, - 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001, - 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014, - 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8, - 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000, - 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008, - 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008, - 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b, - 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd, - 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000, - 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025, - 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008, - 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff, - 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008, - 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021, - 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f, - 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600, - 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40, - 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000, - 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, - 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44, - 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003, - 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001, - 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001, - 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c, - 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, - 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, - 0x00000000, 0x00000000, 0x00000000, -}; - -static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = { - 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000, - 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, - 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272, - 0x00000000, 0x00000000, 0x00000000, -}; - -static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = { - 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, -}; /* tp->lock is held. */ static int tg3_load_tso_firmware(struct tg3 *tp) { struct fw_info info; + const __be32 *fw_data; unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size; int err, i; if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) return 0; + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and length. We are setting complete length. + length = end_address_of_bss - start_address_of_text. + Remainder is the blob to be loaded contiguously + from start address. */ + + info.fw_base = be32_to_cpu(fw_data[1]); + cpu_scratch_size = tp->fw_len; + info.fw_len = tp->fw->size - 12; + info.fw_data = &fw_data[3]; + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { - info.text_base = TG3_TSO5_FW_TEXT_ADDR; - info.text_len = TG3_TSO5_FW_TEXT_LEN; - info.text_data = &tg3Tso5FwText[0]; - info.rodata_base = TG3_TSO5_FW_RODATA_ADDR; - info.rodata_len = TG3_TSO5_FW_RODATA_LEN; - info.rodata_data = &tg3Tso5FwRodata[0]; - info.data_base = TG3_TSO5_FW_DATA_ADDR; - info.data_len = TG3_TSO5_FW_DATA_LEN; - info.data_data = &tg3Tso5FwData[0]; cpu_base = RX_CPU_BASE; cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705; - cpu_scratch_size = (info.text_len + - info.rodata_len + - info.data_len + - TG3_TSO5_FW_SBSS_LEN + - TG3_TSO5_FW_BSS_LEN); } else { - info.text_base = TG3_TSO_FW_TEXT_ADDR; - info.text_len = TG3_TSO_FW_TEXT_LEN; - info.text_data = &tg3TsoFwText[0]; - info.rodata_base = TG3_TSO_FW_RODATA_ADDR; - info.rodata_len = TG3_TSO_FW_RODATA_LEN; - info.rodata_data = &tg3TsoFwRodata[0]; - info.data_base = TG3_TSO_FW_DATA_ADDR; - info.data_len = TG3_TSO_FW_DATA_LEN; - info.data_data = &tg3TsoFwData[0]; cpu_base = TX_CPU_BASE; cpu_scratch_base = TX_CPU_SCRATCH_BASE; cpu_scratch_size = TX_CPU_SCRATCH_SIZE; @@ -7060,21 +6418,21 @@ static int tg3_load_tso_firmware(struct tg3 *tp) /* Now startup the cpu. */ tw32(cpu_base + CPU_STATE, 0xffffffff); - tw32_f(cpu_base + CPU_PC, info.text_base); + tw32_f(cpu_base + CPU_PC, info.fw_base); for (i = 0; i < 5; i++) { - if (tr32(cpu_base + CPU_PC) == info.text_base) + if (tr32(cpu_base + CPU_PC) == info.fw_base) break; tw32(cpu_base + CPU_STATE, 0xffffffff); tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); - tw32_f(cpu_base + CPU_PC, info.text_base); + tw32_f(cpu_base + CPU_PC, info.fw_base); udelay(1000); } if (i >= 5) { printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s " "to set CPU PC, is %08x should be %08x\n", tp->dev->name, tr32(cpu_base + CPU_PC), - info.text_base); + info.fw_base); return -ENODEV; } tw32(cpu_base + CPU_STATE, 0xffffffff); @@ -7299,11 +6657,7 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) { int fw_len; - fw_len = (TG3_TSO5_FW_TEXT_LEN + - TG3_TSO5_FW_RODATA_LEN + - TG3_TSO5_FW_DATA_LEN + - TG3_TSO5_FW_SBSS_LEN + - TG3_TSO5_FW_BSS_LEN); + fw_len = tp->fw_len; fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1); tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE5705 + fw_len); @@ -13580,6 +12934,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, struct net_device *dev; struct tg3 *tp; int err, pm_cap; + const char *fw_name = NULL; char str[40]; u64 dma_mask, persist_dma_mask; @@ -13735,6 +13090,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tg3_init_bufmgr_config(tp); + if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) + fw_name = FIRMWARE_TG3; + if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE; } @@ -13747,6 +13105,37 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, } else { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG; } + if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) { + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) + fw_name = FIRMWARE_TG3TSO5; + else + fw_name = FIRMWARE_TG3TSO; + } + + if (fw_name) { + const __be32 *fw_data; + + err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev); + if (err) { + printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n", + fw_name); + goto err_out_iounmap; + } + + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + start address and _full_ length including BSS sections + (which must be longer than the actual data, of course */ + + tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ + if (tp->fw_len < (tp->fw->size - 12)) { + printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n", + tp->fw_len, fw_name); + err = -EINVAL; + goto err_out_fw; + } + } /* TSO is on by default on chips that support hardware TSO. * Firmware TSO on older chips gives lower performance, so it @@ -13778,7 +13167,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, if (err) { printk(KERN_ERR PFX "Could not obtain valid ethernet address, " "aborting.\n"); - goto err_out_iounmap; + goto err_out_fw; } if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) { @@ -13787,7 +13176,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, printk(KERN_ERR PFX "Cannot map APE registers, " "aborting.\n"); err = -ENOMEM; - goto err_out_iounmap; + goto err_out_fw; } tg3_ape_lock_init(tp); @@ -13867,6 +13256,10 @@ err_out_apeunmap: tp->aperegs = NULL; } +err_out_fw: + if (tp->fw) + release_firmware(tp->fw); + err_out_iounmap: if (tp->regs) { iounmap(tp->regs); @@ -13892,6 +13285,9 @@ static void __devexit tg3_remove_one(struct pci_dev *pdev) if (dev) { struct tg3 *tp = netdev_priv(dev); + if (tp->fw) + release_firmware(tp->fw); + flush_scheduled_work(); if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 8936edf..ae5da60 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2762,6 +2762,10 @@ struct tg3 { #define SST_25VF0X0_PAGE_SIZE 4098 struct ethtool_coalesce coal; + + /* firmware info */ + const struct firmware *fw; + u32 fw_len; /* includes BSS */ }; #endif /* !(_T3_H) */ diff --git a/firmware/Makefile b/firmware/Makefile index e333a42..0dc7afc 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -45,6 +45,8 @@ fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \ sb16/ima_adpcm_capture.csp fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \ yamaha/ds1e_ctrl.fw +fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \ + tigon/tg3_tso5.bin fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \ emi26/bitstream.fw diff --git a/firmware/WHENCE b/firmware/WHENCE index 8823a43..0460eb3 100644 --- a/firmware/WHENCE +++ b/firmware/WHENCE @@ -371,3 +371,22 @@ Found in hex form in kernel source, but source allegedly available at http://alteon.shareable.org/ -------------------------------------------------------------------------- + +Driver: tigon3 -- Broadcom Tigon3 based gigabit Ethernet cards + +File: tigon/tg3.bin +File: tigon/tg3_tso.bin +File: tigon/tg3_tso5.bin + +Licence: + * Firmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. + +Found in hex form in kernel source. + +-------------------------------------------------------------------------- diff --git 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+:10096000AC230A50304200081040000500871025D3 +:100970008CC2000024420001ACC200000087102598 +:10098000AF825D0C8FA2000024420001AFA20000E4 +:100990008FA200008FA2000024420001AFA200003D +:1009A0008FA200008F845D0C3C0308008C630A500A +:1009B000008510241443FFE80085182427BD000893 +:1009C00003E000080000000000000000353730316F +:1009D000726C734100000000000000005377457600 +:1009E000656E743000000000726C704576656E7440 +:1009F00031000000556E6B6E45766E74000000008D +:100A0000000000000000000000000000666174614A +:100A10006C45727200000000000000004D61696EBC +:100A2000437075420000000000000000000000005C +:100A300000000000000000000000000000000000B6 +:100A400000000000000000000000000000000000A6 +:100A50000000000000000000000000000000000096 +:0C0A60000000000000000000000000008A +:00000001FF + * Firmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. diff --git a/firmware/tigon/tg3_tso.bin.ihex b/firmware/tigon/tg3_tso.bin.ihex new file mode 100644 index 0000000..f10c4ef --- /dev/null +++ b/firmware/tigon/tg3_tso.bin.ihex @@ -0,0 +1,446 @@ +:100000000106000008000000000024140E00000398 +:100010000000000008001B24000000001000000386 +:10002000000000000000000D0000000D3C1D080055 +:1000300037BD400003A0F0213C100800261000004E +:100040000E000010000000000000000D27BDFFE0C2 +:100050003C04FEFEAFBF00180E0005D83484000239 +:100060000E000668000000003C03080090631B6857 +:10007000240200023C04080024841AAC1462000329 +:10008000240500013C04080024841AA0240600066C +:1000900000003821AFA000100E00067CAFA00014B5 +:1000A0008F625C5034420001AF625C508F625C90A2 +:1000B00034420001AF625C902402FFFF0E00003466 +:1000C000AF6254048FBF001803E0000827BD002072 +:1000D00000000000000000000000000027BDFFE05D +:1000E000AFBF001CAFB20018AFB100140E00005B30 +:1000F000AFB0001024120002241100018F7068209C 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irmware is: + * Derived from proprietary unpublished source code, + * Copyright (C) 2000-2003 Broadcom Corporation. + * + * Permission is hereby granted for the distribution of this firmware + * data in hexadecimal or equivalent format, provided this copyright + * notice is accompanying it. +/* 5705 needs a special version of the TSO firmware. */ -- cgit v0.10.2 From cfc3a44c3c32abe48898398d9a92e8524c976803 Mon Sep 17 00:00:00 2001 From: Jaswinder Singh Rajput Date: Sun, 4 Jan 2009 16:12:11 -0800 Subject: starfire: use request_firmware() Firmware blob is big endian Signed-off-by: Jaswinder Singh Rajput Signed-off-by: David S. Miller diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c index f54ac23..57fb1f7 100644 --- a/drivers/net/starfire.c +++ b/drivers/net/starfire.c @@ -42,11 +42,11 @@ #include #include #include +#include #include /* Processor type for cache alignment. */ #include #include -#include "starfire_firmware.h" /* * The current frame processor firmware fails to checksum a fragment * of length 1. If and when this is fixed, the #define below can be removed. @@ -173,6 +173,10 @@ static int full_duplex[MAX_UNITS] = {0, }; #define skb_first_frag_len(skb) skb_headlen(skb) #define skb_num_frags(skb) (skb_shinfo(skb)->nr_frags + 1) +/* Firmware names */ +#define FIRMWARE_RX "adaptec/starfire_rx.bin" +#define FIRMWARE_TX "adaptec/starfire_tx.bin" + /* These identify the driver base version and may not be removed. */ static char version[] = KERN_INFO "starfire.c:v1.03 7/26/2000 Written by Donald Becker \n" @@ -182,6 +186,8 @@ MODULE_AUTHOR("Donald Becker "); MODULE_DESCRIPTION("Adaptec Starfire Ethernet driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +MODULE_FIRMWARE(FIRMWARE_RX); +MODULE_FIRMWARE(FIRMWARE_TX); module_param(max_interrupt_work, int, 0); module_param(mtu, int, 0); @@ -902,9 +908,12 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val static int netdev_open(struct net_device *dev) { + const struct firmware *fw_rx, *fw_tx; + const __be32 *fw_rx_data, *fw_tx_data; struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->base; int i, retval; + size_t tx_size, rx_size; size_t tx_done_q_size, rx_done_q_size, tx_ring_size, rx_ring_size; /* Do we ever need to reset the chip??? */ @@ -1040,11 +1049,40 @@ static int netdev_open(struct net_device *dev) writel(ETH_P_8021Q, ioaddr + VlanType); #endif /* VLAN_SUPPORT */ + retval = request_firmware(&fw_rx, FIRMWARE_RX, &np->pci_dev->dev); + if (retval) { + printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n", + FIRMWARE_RX); + return retval; + } + if (fw_rx->size % 4) { + printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n", + fw_rx->size, FIRMWARE_RX); + retval = -EINVAL; + goto out_rx; + } + retval = request_firmware(&fw_tx, FIRMWARE_TX, &np->pci_dev->dev); + if (retval) { + printk(KERN_ERR "starfire: Failed to load firmware \"%s\"\n", + FIRMWARE_TX); + goto out_rx; + } + if (fw_tx->size % 4) { + printk(KERN_ERR "starfire: bogus length %zu in \"%s\"\n", + fw_tx->size, FIRMWARE_TX); + retval = -EINVAL; + goto out_tx; + } + fw_rx_data = (const __be32 *)&fw_rx->data[0]; + fw_tx_data = (const __be32 *)&fw_tx->data[0]; + rx_size = fw_rx->size / 4; + tx_size = fw_tx->size / 4; + /* Load Rx/Tx firmware into the frame processors */ - for (i = 0; i < FIRMWARE_RX_SIZE * 2; i++) - writel(firmware_rx[i], ioaddr + RxGfpMem + i * 4); - for (i = 0; i < FIRMWARE_TX_SIZE * 2; i++) - writel(firmware_tx[i], ioaddr + TxGfpMem + i * 4); + for (i = 0; i < rx_size; i++) + writel(be32_to_cpup(&fw_rx_data[i]), ioaddr + RxGfpMem + i * 4); + for (i = 0; i < tx_size; i++) + writel(be32_to_cpup(&fw_tx_data[i]), ioaddr + TxGfpMem + i * 4); if (enable_hw_cksum) /* Enable the Rx and Tx units, and the Rx/Tx frame processors. */ writel(TxEnable|TxGFPEnable|RxEnable|RxGFPEnable, ioaddr + GenCtrl); @@ -1056,7 +1094,11 @@ static int netdev_open(struct net_device *dev) printk(KERN_DEBUG "%s: Done netdev_open().\n", dev->name); - return 0; +out_tx: + release_firmware(fw_tx); +out_rx: + release_firmware(fw_rx); + return retval; } diff --git a/drivers/net/starfire_firmware.h b/drivers/net/starfire_firmware.h deleted file mode 100644 index 0a66852..0000000 --- a/drivers/net/starfire_firmware.h +++ /dev/null @@ -1,346 +0,0 @@ -/* - * Copyright 2003 Adaptec, Inc. - * - * Please read the following license before using the Adaptec Software - * ("Program"). If you do not agree to the license terms, do not use the - * Program: - * - * You agree to be bound by version 2 of the General Public License ("GPL") - * dated June 1991, which can be found at http://www.fsf.org/licenses/gpl.html. - * If the link is broken, write to Free Software Foundation, 59 Temple Place, - * Boston, Massachusetts 02111-1307. - * - * BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND - * THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE - * IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE - * (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR - * OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR - * DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM. - * - */ - -static const u32 firmware_rx[] = { - 0x010003dc, 0x00000000, - 0x04000421, 0x00000086, - 0x80000015, 0x0000180e, - 0x81000015, 0x00006664, - 0x1a0040ab, 0x00000b06, - 0x14200011, 0x00000000, - 0x14204022, 0x0000aaaa, - 0x14204022, 0x00000300, - 0x14204022, 0x00000000, - 0x1a0040ab, 0x00000b14, - 0x14200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x009e8050, 0x00000000, - 0x03008015, 0x00000000, - 0x86008015, 0x00000000, - 0x82000015, 0x00008000, - 0x0100001c, 0x00000000, - 0x000050a0, 0x0000010c, - 0x4e20d011, 0x00006008, - 0x1420d012, 0x00004008, - 0x0000f090, 0x00007000, - 0x0000c8b0, 0x00003000, - 0x00004040, 0x00000000, - 0x00108015, 0x00000000, - 0x00a2c150, 0x00004000, - 0x00a400b0, 0x00000014, - 0x00000020, 0x00000000, - 0x2500400d, 0x00002525, - 0x00047220, 0x00003100, - 0x00934070, 0x00000000, - 0x00000020, 0x00000000, - 0x00924460, 0x00000184, - 0x2b20c011, 0x00000000, - 0x0000c420, 0x00000540, - 0x36014018, 0x0000422d, - 0x14200011, 0x00000000, - 0x00924460, 0x00000183, - 0x3200001f, 0x00000034, - 0x02ac0015, 0x00000002, - 0x00a60110, 0x00000008, - 0x42200011, 0x00000000, - 0x00924060, 0x00000103, - 0x0000001e, 0x00000000, - 0x00000020, 0x00000100, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x45014018, 0x00004545, - 0x00808050, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x15200011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000060, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x000643a9, 0x00000000, - 0x0000c420, 0x00000140, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x000642a9, 0x00000000, - 0x00024420, 0x00000183, - 0x5601401a, 0x00005956, - 0x82000015, 0x00002000, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, -}; /* 104 Rx instructions */ -#define FIRMWARE_RX_SIZE 104 - -static const u32 firmware_tx[] = { - 0x010003dc, 0x00000000, - 0x04000421, 0x00000086, - 0x80000015, 0x0000180e, - 0x81000015, 0x00006664, - 0x1a0040ab, 0x00000b06, - 0x14200011, 0x00000000, - 0x14204022, 0x0000aaaa, - 0x14204022, 0x00000300, - 0x14204022, 0x00000000, - 0x1a0040ab, 0x00000b14, - 0x14200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x009e8050, 0x00000000, - 0x03008015, 0x00000000, - 0x86008015, 0x00000000, - 0x82000015, 0x00008000, - 0x0100001c, 0x00000000, - 0x000050a0, 0x0000010c, - 0x4e20d011, 0x00006008, - 0x1420d012, 0x00004008, - 0x0000f090, 0x00007000, - 0x0000c8b0, 0x00003000, - 0x00004040, 0x00000000, - 0x00108015, 0x00000000, - 0x00a2c150, 0x00004000, - 0x00a400b0, 0x00000014, - 0x00000020, 0x00000000, - 0x2500400d, 0x00002525, - 0x00047220, 0x00003100, - 0x00934070, 0x00000000, - 0x00000020, 0x00000000, - 0x00924460, 0x00000184, - 0x2b20c011, 0x00000000, - 0x0000c420, 0x00000540, - 0x36014018, 0x0000422d, - 0x14200011, 0x00000000, - 0x00924460, 0x00000183, - 0x3200001f, 0x00000034, - 0x02ac0015, 0x00000002, - 0x00a60110, 0x00000008, - 0x42200011, 0x00000000, - 0x00924060, 0x00000103, - 0x0000001e, 0x00000000, - 0x00000020, 0x00000100, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x45014018, 0x00004545, - 0x00808050, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x15200011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000060, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x000643a9, 0x00000000, - 0x0000c420, 0x00000140, - 0x5601401a, 0x00005956, - 0x14000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x000642a9, 0x00000000, - 0x00024420, 0x00000183, - 0x5601401a, 0x00005956, - 0x82000015, 0x00002000, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, - 0x82000015, 0x00000010, - 0x15200011, 0x00000000, -}; /* 104 Tx instructions */ -#define FIRMWARE_TX_SIZE 104 -#if 0 -static const u32 firmware_wol[] = { - 0x010003dc, 0x00000000, - 0x19000421, 0x00000087, - 0x80000015, 0x00001a1a, - 0x81000015, 0x00001a1a, - 0x1a0040ab, 0x00000b06, - 0x15200011, 0x00000000, - 0x15204022, 0x0000aaaa, - 0x15204022, 0x00000300, - 0x15204022, 0x00000000, - 0x1a0040ab, 0x00000b15, - 0x15200011, 0x00000000, - 0x83000015, 0x00000002, - 0x04000021, 0x00000000, - 0x00000010, 0x00000000, - 0x04000421, 0x00000087, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00008015, 0x00000000, - 0x0000003e, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x82000015, 0x00004000, - 0x82000015, 0x00008000, - 0x0000000c, 0x00000000, - 0x00000010, 0x00000000, - 0x00004080, 0x00000100, - 0x1f20c011, 0x00001122, - 0x2720f011, 0x00003011, - 0x19200071, 0x00000000, - 0x1a200051, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x1d2040a4, 0x00003344, - 0x1d2040a2, 0x00005566, - 0x000040a0, 0x00000100, - 0x00108050, 0x00000001, - 0x1a208012, 0x00000006, - 0x82000015, 0x00008080, - 0x010003dc, 0x00000000, - 0x1d2040a4, 0x00002233, - 0x1d2040a4, 0x00004455, - 0x2d208011, 0x00000005, - 0x1d2040a4, 0x00006611, - 0x00108050, 0x00000001, - 0x27200011, 0x00000000, - 0x1d2050a4, 0x00006600, - 0x82000015, 0x00008080, - 0x010003dc, 0x00000000, - 0x00000050, 0x00000000, - 0x1b200031, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x0000001e, 0x00000000, - 0x00924460, 0x00000086, - 0x00004080, 0x00000000, - 0x0092c070, 0x00000000, - 0x00924060, 0x00000100, - 0x0000c890, 0x00005000, - 0x00a6c110, 0x00000000, - 0x00b0c090, 0x00000012, - 0x021c0015, 0x00000000, - 0x3200001f, 0x00000034, - 0x00924460, 0x00000510, - 0x44210011, 0x00000000, - 0x42000011, 0x00000000, - 0x83000015, 0x00000040, - 0x00924460, 0x00000508, - 0x476a0012, 0x00000100, - 0x83000015, 0x00000008, - 0x16200011, 0x00000000, - 0x001e8050, 0x00000000, - 0x001e8050, 0x00000000, - 0x00808050, 0x00000000, - 0x03008015, 0x00000000, - 0x62208012, 0x00000000, - 0x82000015, 0x00000800, - 0x16200011, 0x00000000, - 0x80000015, 0x0000eea4, - 0x81000015, 0x0000005f, - 0x00000020, 0x00000000, - 0x00004120, 0x00000000, - 0x00004a00, 0x00004000, - 0x00924460, 0x00000190, - 0x5c01401a, 0x0000595c, - 0x15000011, 0x00000000, - 0x00934050, 0x00000018, - 0x00930050, 0x00000018, - 0x3601403a, 0x0000002d, - 0x00064029, 0x00000000, - 0x0000c420, 0x00000140, - 0x5c01401a, 0x0000595c, - 0x15000011, 0x00000000, - 0x00000010, 0x00000000, - 0x00000010, 0x00000000, - 0x00064029, 0x00000000, - 0x00024420, 0x00000183, - 0x5c01401a, 0x0000595c, - 0x82000015, 0x00002000, - 0x16200011, 0x00000000, - 0x82000015, 0x00000010, - 0x16200011, 0x00000000, - 0x82000015, 0x00000010, - 0x16200011, 0x00000000, -}; /* 104 WoL instructions */ -#define FIRMWARE_WOL_SIZE 104 -#endif diff --git a/drivers/net/starfire_firmware.pl b/drivers/net/starfire_firmware.pl deleted file mode 100644 index 0c82b80..0000000 --- a/drivers/net/starfire_firmware.pl +++ /dev/null @@ -1,31 +0,0 @@ -#!/usr/bin/perl - -# This script can be used to generate a new starfire_firmware.h -# from GFP_RX.DAT and GFP_TX.DAT, files included with the DDK -# and also with the Novell drivers. - -open FW, "GFP_RX.DAT" || die; -open FWH, ">starfire_firmware.h" || die; - -printf(FWH "static u32 firmware_rx[] = {\n"); -$counter = 0; -while ($foo = ) { - chomp; - printf(FWH " 0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4)); - $counter++; -} - -close FW; -open FW, "GFP_TX.DAT" || die; - -printf(FWH "};\t/* %d Rx instructions */\n#define FIRMWARE_RX_SIZE %d\n\nstatic u32 firmware_tx[] = {\n", $counter, $counter); -$counter = 0; -while ($foo = ) { - chomp; - printf(FWH " 0x%s, 0x0000%s,\n", substr($foo, 4, 8), substr($foo, 0, 4)); - $counter++; -} - -close FW; -printf(FWH "};\t/* %d Tx instructions */\n#define FIRMWARE_TX_SIZE %d\n", $counter, $counter); -close(FWH); diff --git a/firmware/Makefile b/firmware/Makefile index 0dc7afc..0e43284 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -27,6 +27,8 @@ else acenic-objs := acenic/tg1.bin acenic/tg2.bin endif fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs) +fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \ + adaptec/starfire_tx.bin fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin diff --git a/firmware/WHENCE b/firmware/WHENCE index 0460eb3..1bb2cf4 100644 --- a/firmware/WHENCE +++ b/firmware/WHENCE @@ -390,3 +390,22 @@ Licence: Found in hex form in kernel source. -------------------------------------------------------------------------- + +Driver: ADAPTEC_STARFIRE - Adaptec Starfire/DuraLAN support + +File: adaptec/starfire_rx.bin +File: adaptec/starfire_tx.bin + +Licence: Allegedly GPLv2, but no source visible. + +Found in hex form in kernel source, with the following notice: + + BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE IT IS LICENSED "AS IS" AND + THERE IS NO WARRANTY FOR THE PROGRAM, INCLUDING BUT NOT LIMITED TO THE + IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE + (TO THE EXTENT PERMITTED BY APPLICABLE LAW). USE OF THE PROGRAM IS AT YOUR + OWN RISK. IN NO EVENT WILL ADAPTEC OR ITS LICENSORS BE LIABLE TO YOU FOR + DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES + ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM. + +-------------------------------------------------------------------------- diff --git a/firmware/adaptec/starfire_rx.bin.ihex b/firmware/adaptec/starfire_rx.bin.ihex new file mode 100644 index 0000000..6b1fae0 --- /dev/null +++ b/firmware/adaptec/starfire_rx.bin.ihex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diff --git a/firmware/adaptec/starfire_tx.bin.ihex b/firmware/adaptec/starfire_tx.bin.ihex new file mode 100644 index 0000000..6b1fae0 --- /dev/null +++ b/firmware/adaptec/starfire_tx.bin.ihex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cgit v0.10.2 From b530256d2e0f1a75fab31f9821129fff1bb49faa Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 4 Jan 2009 16:13:19 -0800 Subject: gro: Use gso_size to store MSS In order to allow GRO packets without frag_list at all, we need to store the MSS in the packet itself. The obvious place is gso_size. The only thing to watch out for is if the packet ends up not being GRO then we need to clear gso_size before pushing the packet into the stack. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller diff --git a/net/core/dev.c b/net/core/dev.c index 09c66a4..1e1a680 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2365,6 +2365,7 @@ static int napi_gro_complete(struct sk_buff *skb) } out: + skb_shinfo(skb)->gso_size = 0; __skb_push(skb, -skb_network_offset(skb)); return netif_receive_skb(skb); } @@ -2446,6 +2447,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) } NAPI_GRO_CB(skb)->count = 1; + skb_shinfo(skb)->gso_size = skb->len; skb->next = napi->gro_list; napi->gro_list = skb; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b8d0abb..3aafb10 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2613,6 +2613,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) *NAPI_GRO_CB(nskb) = *NAPI_GRO_CB(p); skb_shinfo(nskb)->frag_list = p; + skb_shinfo(nskb)->gso_size = skb_shinfo(p)->gso_size; skb_header_release(p); nskb->prev = p; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f28acf1..4d655e9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2519,9 +2519,7 @@ found: flush |= memcmp(th + 1, th2 + 1, thlen - sizeof(*th)); total = p->len; - mss = total; - if (skb_shinfo(p)->frag_list) - mss = skb_shinfo(p)->frag_list->len; + mss = skb_shinfo(p)->gso_size; flush |= skb->len > mss || skb->len <= 0; flush |= ntohl(th2->seq) + total != ntohl(th->seq); @@ -2557,7 +2555,6 @@ int tcp_gro_complete(struct sk_buff *skb) skb->csum_offset = offsetof(struct tcphdr, check); skb->ip_summed = CHECKSUM_PARTIAL; - skb_shinfo(skb)->gso_size = skb_shinfo(skb)->frag_list->len; skb_shinfo(skb)->gso_segs = NAPI_GRO_CB(skb)->count; if (th->cwr) -- cgit v0.10.2 From 5d38a079ce3971f932bbdc0dc5b887806fabd5dc Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sun, 4 Jan 2009 16:13:40 -0800 Subject: gro: Add page frag support This patch allows GRO to merge page frags (skb_shinfo(skb)->frags) in one skb, rather than using the less efficient frag_list. It also adds a new interface, napi_gro_frags to allow drivers to inject page frags directly into the stack without allocating an skb. This is intended to be the GRO equivalent for LRO's lro_receive_frags interface. The existing GSO interface can already handle page frags with or without an appended frag_list so nothing needs to be changed there. The merging itself is rather simple. We store any new frag entries after the last existing entry, without checking whether the first new entry can be merged with the last existing entry. Making this check would actually be easy but since no existing driver can produce contiguous frags anyway it would just be mental masturbation. If the total number of entries would exceed the capacity of a single skb, we simply resort to using frag_list as we do now. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 41e1224..c28bbba 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -313,10 +313,11 @@ struct napi_struct { #ifdef CONFIG_NETPOLL spinlock_t poll_lock; int poll_owner; - struct net_device *dev; #endif + struct net_device *dev; struct list_head dev_list; struct sk_buff *gro_list; + struct sk_buff *skb; }; enum @@ -990,6 +991,9 @@ struct napi_gro_cb { /* Number of segments aggregated. */ int count; + + /* Free the skb? */ + int free; }; #define NAPI_GRO_CB(skb) ((struct napi_gro_cb *)(skb)->cb) @@ -1011,6 +1015,14 @@ struct packet_type { struct list_head list; }; +struct napi_gro_fraginfo { + skb_frag_t frags[MAX_SKB_FRAGS]; + unsigned int nr_frags; + unsigned int ip_summed; + unsigned int len; + __wsum csum; +}; + #include #include @@ -1363,6 +1375,8 @@ extern int netif_receive_skb(struct sk_buff *skb); extern void napi_gro_flush(struct napi_struct *napi); extern int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); +extern int napi_gro_frags(struct napi_struct *napi, + struct napi_gro_fraginfo *info); extern void netif_nit_deliver(struct sk_buff *skb); extern int dev_valid_name(const char *name); extern int dev_ioctl(struct net *net, unsigned int cmd, void __user *); diff --git a/net/core/dev.c b/net/core/dev.c index 1e1a680..382df6c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -132,6 +132,9 @@ /* Instead of increasing this, you should create a hash table. */ #define MAX_GRO_SKBS 8 +/* This should be increased if a protocol with a bigger head is added. */ +#define GRO_MAX_HEAD (MAX_HEADER + 128) + /* * The list of packet types we will receive (as opposed to discard) * and the routines to invoke. @@ -2345,7 +2348,7 @@ static int napi_gro_complete(struct sk_buff *skb) struct list_head *head = &ptype_base[ntohs(type) & PTYPE_HASH_MASK]; int err = -ENOENT; - if (!skb_shinfo(skb)->frag_list) + if (NAPI_GRO_CB(skb)->count == 1) goto out; rcu_read_lock(); @@ -2384,7 +2387,7 @@ void napi_gro_flush(struct napi_struct *napi) } EXPORT_SYMBOL(napi_gro_flush); -int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +static int __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff **pp = NULL; struct packet_type *ptype; @@ -2393,6 +2396,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) int count = 0; int same_flow; int mac_len; + int free; if (!(skb->dev->features & NETIF_F_GRO)) goto normal; @@ -2409,6 +2413,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) skb->mac_len = mac_len; NAPI_GRO_CB(skb)->same_flow = 0; NAPI_GRO_CB(skb)->flush = 0; + NAPI_GRO_CB(skb)->free = 0; for (p = napi->gro_list; p; p = p->next) { count++; @@ -2428,6 +2433,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) goto normal; same_flow = NAPI_GRO_CB(skb)->same_flow; + free = NAPI_GRO_CB(skb)->free; if (pp) { struct sk_buff *nskb = *pp; @@ -2452,13 +2458,86 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) napi->gro_list = skb; ok: - return NET_RX_SUCCESS; + return free; normal: - return netif_receive_skb(skb); + return -1; +} + +int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) +{ + switch (__napi_gro_receive(napi, skb)) { + case -1: + return netif_receive_skb(skb); + + case 1: + kfree_skb(skb); + break; + } + + return NET_RX_SUCCESS; } EXPORT_SYMBOL(napi_gro_receive); +int napi_gro_frags(struct napi_struct *napi, struct napi_gro_fraginfo *info) +{ + struct net_device *dev = napi->dev; + struct sk_buff *skb = napi->skb; + int err = NET_RX_DROP; + + napi->skb = NULL; + + if (!skb) { + skb = netdev_alloc_skb(dev, GRO_MAX_HEAD + NET_IP_ALIGN); + if (!skb) + goto out; + + skb_reserve(skb, NET_IP_ALIGN); + } + + BUG_ON(info->nr_frags > MAX_SKB_FRAGS); + skb_shinfo(skb)->nr_frags = info->nr_frags; + memcpy(skb_shinfo(skb)->frags, info->frags, sizeof(info->frags)); + + skb->data_len = info->len; + skb->len += info->len; + skb->truesize += info->len; + + if (!pskb_may_pull(skb, ETH_HLEN)) + goto reuse; + + err = NET_RX_SUCCESS; + + skb->protocol = eth_type_trans(skb, dev); + + skb->ip_summed = info->ip_summed; + skb->csum = info->csum; + + switch (__napi_gro_receive(napi, skb)) { + case -1: + return netif_receive_skb(skb); + + case 0: + goto out; + } + +reuse: + skb_shinfo(skb)->nr_frags = 0; + + skb->len -= skb->data_len; + skb->truesize -= skb->data_len; + skb->data_len = 0; + + __skb_pull(skb, skb_headlen(skb)); + skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb)); + + napi->skb = skb; + +out: + return err; +} +EXPORT_SYMBOL(napi_gro_frags); + static int process_backlog(struct napi_struct *napi, int quota) { int work = 0; @@ -2537,11 +2616,12 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, { INIT_LIST_HEAD(&napi->poll_list); napi->gro_list = NULL; + napi->skb = NULL; napi->poll = poll; napi->weight = weight; list_add(&napi->dev_list, &dev->napi_list); -#ifdef CONFIG_NETPOLL napi->dev = dev; +#ifdef CONFIG_NETPOLL spin_lock_init(&napi->poll_lock); napi->poll_owner = -1; #endif @@ -2554,6 +2634,7 @@ void netif_napi_del(struct napi_struct *napi) struct sk_buff *skb, *next; list_del_init(&napi->dev_list); + kfree(napi->skb); for (skb = napi->gro_list; skb; skb = next) { next = skb->next; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 3aafb10..5110b35 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2594,6 +2594,17 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) if (skb_shinfo(p)->frag_list) goto merge; + else if (!skb_headlen(p) && !skb_headlen(skb) && + skb_shinfo(p)->nr_frags + skb_shinfo(skb)->nr_frags < + MAX_SKB_FRAGS) { + memcpy(skb_shinfo(p)->frags + skb_shinfo(p)->nr_frags, + skb_shinfo(skb)->frags, + skb_shinfo(skb)->nr_frags * sizeof(skb_frag_t)); + + skb_shinfo(p)->nr_frags += skb_shinfo(skb)->nr_frags; + NAPI_GRO_CB(skb)->free = 1; + goto done; + } headroom = skb_headroom(p); nskb = netdev_alloc_skb(p->dev, headroom); @@ -2628,11 +2639,12 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb) p = nskb; merge: - NAPI_GRO_CB(p)->count++; p->prev->next = skb; p->prev = skb; skb_header_release(skb); +done: + NAPI_GRO_CB(p)->count++; p->data_len += skb->len; p->truesize += skb->len; p->len += skb->len; -- cgit v0.10.2 From fecc7036e73a71231045e03ff524b5f8bd892a84 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Sun, 4 Jan 2009 16:22:04 -0800 Subject: isdn: capi: &&/|| typos Correct two typos. Signed-off-by: Roel Kluin Acked-by: Karsten Keil Signed-off-by: David S. Miller diff --git a/drivers/isdn/capi/capidrv.c b/drivers/isdn/capi/capidrv.c index d5b4cc3..6501202 100644 --- a/drivers/isdn/capi/capidrv.c +++ b/drivers/isdn/capi/capidrv.c @@ -1519,7 +1519,7 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) int digit2 = 0; if (!isdigit(*s)) return -3; while (isdigit(*s)) { digit1 = digit1*10 + (*s - '0'); s++; } - if (digit1 <= 0 && digit1 > 30) return -4; + if (digit1 <= 0 || digit1 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { bmask |= (1 << digit1); digit1 = 0; @@ -1530,7 +1530,7 @@ static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) s++; if (!isdigit(*s)) return -3; while (isdigit(*s)) { digit2 = digit2*10 + (*s - '0'); s++; } - if (digit2 <= 0 && digit2 > 30) return -4; + if (digit2 <= 0 || digit2 > 30) return -4; if (*s == 0 || *s == ',' || *s == ' ') { if (digit1 > digit2) for (i = digit2; i <= digit1 ; i++) -- cgit v0.10.2 From 22692018b93f0782cda5a843cecfffda1854eb8d Mon Sep 17 00:00:00 2001 From: Baruch Siach Date: Sun, 4 Jan 2009 16:23:01 -0800 Subject: enc28j60: fix RX buffer overflow The enc28j60 driver doesn't check whether the length of the packet as reported by the hardware fits into the preallocated buffer. When stressed, the hardware may report insanely large packets even tough the "Receive OK" bit is set. Fix this. Signed-off-by: Baruch Siach Signed-off-by: David S. Miller diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index b0ef46c..cefe1d9 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -944,7 +944,7 @@ static void enc28j60_hw_rx(struct net_device *ndev) if (netif_msg_rx_status(priv)) enc28j60_dump_rsv(priv, __func__, next_packet, len, rxstat); - if (!RSV_GETBIT(rxstat, RSV_RXOK)) { + if (!RSV_GETBIT(rxstat, RSV_RXOK) || len > MAX_FRAMELEN) { if (netif_msg_rx_err(priv)) dev_err(&ndev->dev, "Rx Error (%04x)\n", rxstat); ndev->stats.rx_errors++; @@ -952,6 +952,8 @@ static void enc28j60_hw_rx(struct net_device *ndev) ndev->stats.rx_crc_errors++; if (RSV_GETBIT(rxstat, RSV_LENCHECKERR)) ndev->stats.rx_frame_errors++; + if (len > MAX_FRAMELEN) + ndev->stats.rx_over_errors++; } else { skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { -- cgit v0.10.2 From c907a35acf0e964dfd0753519b3dc7689727e175 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sun, 4 Jan 2009 17:06:46 -0800 Subject: qlge: bugfix: Add missing pci_mapping_err checking. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 718a7bd..c6ab6a4 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -963,6 +963,11 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) sbq_desc->p.skb->data, rx_ring->sbq_buf_size / 2, PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(qdev->pdev, map)) { + QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n"); + rx_ring->sbq_clean_idx = clean_idx; + return; + } pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); -- cgit v0.10.2 From 4055c7d495f2502718bbbea871e6504ae95add14 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sun, 4 Jan 2009 17:07:09 -0800 Subject: qlge: bugfix: Add missing pci_unmap_page call in receive path. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index c6ab6a4..9ceedfc 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1308,6 +1308,11 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, "No skb available, drop the packet.\n"); return NULL; } + pci_unmap_page(qdev->pdev, + pci_unmap_addr(lbq_desc, + mapaddr), + pci_unmap_len(lbq_desc, maplen), + PCI_DMA_FROMDEVICE); skb_reserve(skb, NET_IP_ALIGN); QPRINTK(qdev, RX_STATUS, DEBUG, "%d bytes of headers and data in large. Chain page to new skb and pull tail.\n", length); -- cgit v0.10.2 From 2b72c7849f9a091c1e5d7255732faf14ac7d5123 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sun, 4 Jan 2009 17:07:50 -0800 Subject: qlge: bugfix: Fix shadow register endian issue. Shadow registers are consistent memory locations to which the chip echos ring indexes in little endian format. These values need to be endian swapped before referencing. Note: The register pointer declaration uses the volatile modifier which causes warnings in checkpatch. Per Documentation/volatile-considered-harmful.txt: - Pointers to data structures in coherent memory which might be modified by I/O devices can, sometimes, legitimately be volatile. A ring buffer used by a network adapter, where that adapter changes pointers to indicate which descriptors have been processed, is an example of this type of situation. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index ba2e1c5b..97321bb 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -1189,7 +1189,7 @@ struct rx_ring { u32 cq_size; u32 cq_len; u16 cq_id; - u32 *prod_idx_sh_reg; /* Shadowed producer register. */ + volatile __le32 *prod_idx_sh_reg; /* Shadowed producer register. */ dma_addr_t prod_idx_sh_reg_dma; void __iomem *cnsmr_idx_db_reg; /* PCI doorbell mem area + 0 */ u32 cnsmr_idx; /* current sw idx */ @@ -1467,21 +1467,6 @@ static inline void ql_write_db_reg(u32 val, void __iomem *addr) mmiowb(); } -/* - * Shadow Registers: - * Outbound queues have a consumer index that is maintained by the chip. - * Inbound queues have a producer index that is maintained by the chip. - * For lower overhead, these registers are "shadowed" to host memory - * which allows the device driver to track the queue progress without - * PCI reads. When an entry is placed on an inbound queue, the chip will - * update the relevant index register and then copy the value to the - * shadow register in host memory. - */ -static inline unsigned int ql_read_sh_reg(const volatile void *addr) -{ - return *(volatile unsigned int __force *)addr; -} - extern char qlge_driver_name[]; extern const char qlge_driver_version[]; extern const struct ethtool_ops qlge_ethtool_ops; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 9ceedfc..c0e43c5 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1559,7 +1559,7 @@ static void ql_process_chip_ae_intr(struct ql_adapter *qdev, static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ob_mac_iocb_rsp *net_rsp = NULL; int count = 0; @@ -1585,7 +1585,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); } ql_write_cq_idx(rx_ring); if (netif_queue_stopped(qdev->ndev) && net_rsp != NULL) { @@ -1605,7 +1605,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) { struct ql_adapter *qdev = rx_ring->qdev; - u32 prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + u32 prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); struct ql_net_rsp_iocb *net_rsp; int count = 0; @@ -1638,7 +1638,7 @@ static int ql_clean_inbound_rx_ring(struct rx_ring *rx_ring, int budget) } count++; ql_update_cq(rx_ring); - prod = ql_read_sh_reg(rx_ring->prod_idx_sh_reg); + prod = le32_to_cpu(*rx_ring->prod_idx_sh_reg); if (count == budget) break; } @@ -1801,7 +1801,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) * Check the default queue and wake handler if active. */ rx_ring = &qdev->rx_ring[0]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[0].\n"); ql_disable_completion_interrupt(qdev, intr_context->intr); queue_delayed_work_on(smp_processor_id(), qdev->q_workqueue, @@ -1815,7 +1815,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id) */ for (i = 1; i < qdev->rx_ring_count; i++) { rx_ring = &qdev->rx_ring[i]; - if (ql_read_sh_reg(rx_ring->prod_idx_sh_reg) != + if (le32_to_cpu(*rx_ring->prod_idx_sh_reg) != rx_ring->cnsmr_idx) { QPRINTK(qdev, INTR, INFO, "Waking handler for rx_ring[%d].\n", i); -- cgit v0.10.2 From 459caf5a99cd066598192a86f8f63d73f0b423a6 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sun, 4 Jan 2009 17:08:11 -0800 Subject: qlge: bugfix: Fix ring length setting for rx ring, large/small The length field for these rings is 16-bits. If the length is the max supported 65536 then the setting should be zero. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index c0e43c5..ffa2100 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -2491,7 +2491,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) memset((void *)cqicb, 0, sizeof(struct cqicb)); cqicb->msix_vect = rx_ring->irq; - cqicb->len = cpu_to_le16(rx_ring->cq_len | LEN_V | LEN_CPP_CONT); + bq_len = (rx_ring->cq_len == 65536) ? 0 : (u16) rx_ring->cq_len; + cqicb->len = cpu_to_le16(bq_len | LEN_V | LEN_CPP_CONT); cqicb->addr_lo = cpu_to_le32(rx_ring->cq_base_dma); cqicb->addr_hi = cpu_to_le32((u64) rx_ring->cq_base_dma >> 32); @@ -2513,8 +2514,11 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) cpu_to_le32(rx_ring->lbq_base_indirect_dma); cqicb->lbq_addr_hi = cpu_to_le32((u64) rx_ring->lbq_base_indirect_dma >> 32); - cqicb->lbq_buf_size = cpu_to_le32(rx_ring->lbq_buf_size); - bq_len = (u16) rx_ring->lbq_len; + bq_len = (rx_ring->lbq_buf_size == 65536) ? 0 : + (u16) rx_ring->lbq_buf_size; + cqicb->lbq_buf_size = cpu_to_le16(bq_len); + bq_len = (rx_ring->lbq_len == 65536) ? 0 : + (u16) rx_ring->lbq_len; cqicb->lbq_len = cpu_to_le16(bq_len); rx_ring->lbq_prod_idx = rx_ring->lbq_len - 16; rx_ring->lbq_curr_idx = 0; @@ -2530,7 +2534,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) cpu_to_le32((u64) rx_ring->sbq_base_indirect_dma >> 32); cqicb->sbq_buf_size = cpu_to_le16(((rx_ring->sbq_buf_size / 2) + 8) & 0xfffffff8); - bq_len = (u16) rx_ring->sbq_len; + bq_len = (rx_ring->sbq_len == 65536) ? 0 : + (u16) rx_ring->sbq_len; cqicb->sbq_len = cpu_to_le16(bq_len); rx_ring->sbq_prod_idx = rx_ring->sbq_len - 16; rx_ring->sbq_curr_idx = 0; -- cgit v0.10.2 From 939678f81a55c839ae58c9cc3d4ec6d0f60e7dc7 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Sun, 4 Jan 2009 17:08:29 -0800 Subject: qlge: bugfix: Fix register access error checking. Some indexed registers do not have error bits. In these cases a value of zero should be used for error checking. Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index ffa2100..837be72 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -257,7 +257,7 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, { status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -265,13 +265,13 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -279,14 +279,14 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); if (type == MAC_ADDR_TYPE_CAM_MAC) { status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -294,7 +294,7 @@ int ql_get_mac_addr_reg(struct ql_adapter *qdev, u32 type, u16 index, MAC_ADDR_ADR | MAC_ADDR_RS | type); /* type */ status = ql_wait_reg_rdy(qdev, MAC_ADDR_IDX, - MAC_ADDR_MR, MAC_ADDR_E); + MAC_ADDR_MR, 0); if (status) goto exit; *value++ = ql_read32(qdev, MAC_ADDR_DATA); @@ -344,7 +344,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -353,7 +353,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, ql_write32(qdev, MAC_ADDR_DATA, lower); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset++) | /* offset */ @@ -362,7 +362,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, ql_write32(qdev, MAC_ADDR_DATA, upper); status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, (offset) | /* offset */ @@ -400,7 +400,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, status = ql_wait_reg_rdy(qdev, - MAC_ADDR_IDX, MAC_ADDR_MW, MAC_ADDR_E); + MAC_ADDR_IDX, MAC_ADDR_MW, 0); if (status) goto exit; ql_write32(qdev, MAC_ADDR_IDX, offset | /* offset */ @@ -431,13 +431,13 @@ int ql_get_routing_reg(struct ql_adapter *qdev, u32 index, u32 *value) if (status) goto exit; - status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, RT_IDX_E); + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MW, 0); if (status) goto exit; ql_write32(qdev, RT_IDX, RT_IDX_TYPE_NICQ | RT_IDX_RS | (index << RT_IDX_IDX_SHIFT)); - status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, RT_IDX_E); + status = ql_wait_reg_rdy(qdev, RT_IDX, RT_IDX_MR, 0); if (status) goto exit; *value = ql_read32(qdev, RT_DATA); -- cgit v0.10.2 From f32f8b72e02e851972a0172603104046aa5fec96 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Simon=20Holm=20Th=C3=B8gersen?= Date: Sun, 4 Jan 2009 17:11:24 -0800 Subject: net/rfkill/rfkill.c: fix unused rfkill_led_trigger() warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 4dec9b807be757780ca3611a959ac22c28d292a7 ("rfkill: strip pointless notifier chain") removed the only user of rfkill_led_trigger() that was not guarded by #ifdef CONFIG_RFKILL_LEDS. Therefore, move rfkill_led_trigger() completely inside #ifdef CONFIG_RFKILL_LEDS and avoid the compile time warning: net/rfkill/rfkill.c:59: warning: 'rfkill_led_trigger' defined but not used Signed-off-by: Simon Holm Thøgersen Signed-off-by: David S. Miller diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 3c94f76..3eaa394 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -54,10 +54,10 @@ static unsigned long rfkill_states_lockdflt[BITS_TO_LONGS(RFKILL_TYPE_MAX)]; static bool rfkill_epo_lock_active; +#ifdef CONFIG_RFKILL_LEDS static void rfkill_led_trigger(struct rfkill *rfkill, enum rfkill_state state) { -#ifdef CONFIG_RFKILL_LEDS struct led_trigger *led = &rfkill->led_trigger; if (!led->name) @@ -66,10 +66,8 @@ static void rfkill_led_trigger(struct rfkill *rfkill, led_trigger_event(led, LED_OFF); else led_trigger_event(led, LED_FULL); -#endif /* CONFIG_RFKILL_LEDS */ } -#ifdef CONFIG_RFKILL_LEDS static void rfkill_led_trigger_activate(struct led_classdev *led) { struct rfkill *rfkill = container_of(led->trigger, -- cgit v0.10.2 From f26251eb68ea766a98fed922593c154d15127621 Mon Sep 17 00:00:00 2001 From: Bruce Allan Date: Sun, 4 Jan 2009 17:12:04 -0800 Subject: e100: cosmetic cleanup Add missing space after if, switch, for and while keywords. Signed-off-by: Bruce Allan Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 9f38b16..134b2d6 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -658,12 +658,12 @@ static int e100_self_test(struct nic *nic) e100_disable_irq(nic); /* Check results of self-test */ - if(nic->mem->selftest.result != 0) { + if (nic->mem->selftest.result != 0) { DPRINTK(HW, ERR, "Self-test failed: result=0x%08X\n", nic->mem->selftest.result); return -ETIMEDOUT; } - if(nic->mem->selftest.signature == 0) { + if (nic->mem->selftest.signature == 0) { DPRINTK(HW, ERR, "Self-test failed: timed out\n"); return -ETIMEDOUT; } @@ -684,13 +684,13 @@ static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, __le16 da cmd_addr_data[2] = op_ewds << (addr_len - 2); /* Bit-bang cmds to write word to eeprom */ - for(j = 0; j < 3; j++) { + for (j = 0; j < 3; j++) { /* Chip select */ iowrite8(eecs | eesk, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); - for(i = 31; i >= 0; i--) { + for (i = 31; i >= 0; i--) { ctrl = (cmd_addr_data[j] & (1 << i)) ? eecs | eedi : eecs; iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo); @@ -723,7 +723,7 @@ static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) e100_write_flush(nic); udelay(4); /* Bit-bang to read word from eeprom */ - for(i = 31; i >= 0; i--) { + for (i = 31; i >= 0; i--) { ctrl = (cmd_addr_data & (1 << i)) ? eecs | eedi : eecs; iowrite8(ctrl, &nic->csr->eeprom_ctrl_lo); e100_write_flush(nic); udelay(4); @@ -734,7 +734,7 @@ static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) /* Eeprom drives a dummy zero to EEDO after receiving * complete address. Use this to adjust addr_len. */ ctrl = ioread8(&nic->csr->eeprom_ctrl_lo); - if(!(ctrl & eedo) && i > 16) { + if (!(ctrl & eedo) && i > 16) { *addr_len -= (i - 16); i = 17; } @@ -758,9 +758,9 @@ static int e100_eeprom_load(struct nic *nic) e100_eeprom_read(nic, &addr_len, 0); nic->eeprom_wc = 1 << addr_len; - for(addr = 0; addr < nic->eeprom_wc; addr++) { + for (addr = 0; addr < nic->eeprom_wc; addr++) { nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr); - if(addr < nic->eeprom_wc - 1) + if (addr < nic->eeprom_wc - 1) checksum += le16_to_cpu(nic->eeprom[addr]); } @@ -784,15 +784,15 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count) e100_eeprom_read(nic, &addr_len, 0); nic->eeprom_wc = 1 << addr_len; - if(start + count >= nic->eeprom_wc) + if (start + count >= nic->eeprom_wc) return -EINVAL; - for(addr = start; addr < start + count; addr++) + for (addr = start; addr < start + count; addr++) e100_eeprom_write(nic, addr_len, addr, nic->eeprom[addr]); /* The checksum, stored in the last word, is calculated such that * the sum of words should be 0xBABA */ - for(addr = 0; addr < nic->eeprom_wc - 1; addr++) + for (addr = 0; addr < nic->eeprom_wc - 1; addr++) checksum += le16_to_cpu(nic->eeprom[addr]); nic->eeprom[nic->eeprom_wc - 1] = cpu_to_le16(0xBABA - checksum); e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1, @@ -812,19 +812,19 @@ static int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) spin_lock_irqsave(&nic->cmd_lock, flags); /* Previous command is accepted when SCB clears */ - for(i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) { - if(likely(!ioread8(&nic->csr->scb.cmd_lo))) + for (i = 0; i < E100_WAIT_SCB_TIMEOUT; i++) { + if (likely(!ioread8(&nic->csr->scb.cmd_lo))) break; cpu_relax(); - if(unlikely(i > E100_WAIT_SCB_FAST)) + if (unlikely(i > E100_WAIT_SCB_FAST)) udelay(5); } - if(unlikely(i == E100_WAIT_SCB_TIMEOUT)) { + if (unlikely(i == E100_WAIT_SCB_TIMEOUT)) { err = -EAGAIN; goto err_unlock; } - if(unlikely(cmd != cuc_resume)) + if (unlikely(cmd != cuc_resume)) iowrite32(dma_addr, &nic->csr->scb.gen_ptr); iowrite8(cmd, &nic->csr->scb.cmd_lo); @@ -843,7 +843,7 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, spin_lock_irqsave(&nic->cb_lock, flags); - if(unlikely(!nic->cbs_avail)) { + if (unlikely(!nic->cbs_avail)) { err = -ENOMEM; goto err_unlock; } @@ -853,7 +853,7 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, nic->cbs_avail--; cb->skb = skb; - if(unlikely(!nic->cbs_avail)) + if (unlikely(!nic->cbs_avail)) err = -ENOSPC; cb_prepare(nic, cb, skb); @@ -864,15 +864,15 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb, wmb(); cb->prev->command &= cpu_to_le16(~cb_s); - while(nic->cb_to_send != nic->cb_to_use) { - if(unlikely(e100_exec_cmd(nic, nic->cuc_cmd, + while (nic->cb_to_send != nic->cb_to_use) { + if (unlikely(e100_exec_cmd(nic, nic->cuc_cmd, nic->cb_to_send->dma_addr))) { /* Ok, here's where things get sticky. It's * possible that we can't schedule the command * because the controller is too busy, so * let's just queue the command and try again * when another command is scheduled. */ - if(err == -ENOSPC) { + if (err == -ENOSPC) { //request a reset schedule_work(&nic->tx_timeout_task); } @@ -945,7 +945,7 @@ static void e100_get_defaults(struct nic *nic) /* MAC type is encoded as rev ID; exception: ICH is treated as 82559 */ nic->mac = (nic->flags & ich) ? mac_82559_D101M : nic->pdev->revision; - if(nic->mac == mac_unknown) + if (nic->mac == mac_unknown) nic->mac = mac_82557_D100_A; nic->params.rfds = rfds; @@ -1008,23 +1008,23 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb) config->adaptive_ifs = nic->adaptive_ifs; config->loopback = nic->loopback; - if(nic->mii.force_media && nic->mii.full_duplex) + if (nic->mii.force_media && nic->mii.full_duplex) config->full_duplex_force = 0x1; /* 1=force, 0=auto */ - if(nic->flags & promiscuous || nic->loopback) { + if (nic->flags & promiscuous || nic->loopback) { config->rx_save_bad_frames = 0x1; /* 1=save, 0=discard */ config->rx_discard_short_frames = 0x0; /* 1=discard, 0=save */ config->promiscuous_mode = 0x1; /* 1=on, 0=off */ } - if(nic->flags & multicast_all) + if (nic->flags & multicast_all) config->multicast_all = 0x1; /* 1=accept, 0=no */ /* disable WoL when up */ - if(netif_running(nic->netdev) || !(nic->flags & wol_magic)) + if (netif_running(nic->netdev) || !(nic->flags & wol_magic)) config->magic_packet_disable = 0x1; /* 1=off, 0=on */ - if(nic->mac >= mac_82558_D101_A4) { + if (nic->mac >= mac_82558_D101_A4) { config->fc_disable = 0x1; /* 1=Tx fc off, 0=Tx fc on */ config->mwi_enable = 0x1; /* 1=enable, 0=disable */ config->standard_tcb = 0x0; /* 1=standard, 0=extended */ @@ -1369,21 +1369,21 @@ static int e100_phy_init(struct nic *nic) u16 bmcr, stat, id_lo, id_hi, cong; /* Discover phy addr by searching addrs in order {1,0,2,..., 31} */ - for(addr = 0; addr < 32; addr++) { + for (addr = 0; addr < 32; addr++) { nic->mii.phy_id = (addr == 0) ? 1 : (addr == 1) ? 0 : addr; bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR); stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR); stat = mdio_read(netdev, nic->mii.phy_id, MII_BMSR); - if(!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0)))) + if (!((bmcr == 0xFFFF) || ((stat == 0) && (bmcr == 0)))) break; } DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id); - if(addr == 32) + if (addr == 32) return -EAGAIN; /* Selected the phy and isolate the rest */ - for(addr = 0; addr < 32; addr++) { - if(addr != nic->mii.phy_id) { + for (addr = 0; addr < 32; addr++) { + if (addr != nic->mii.phy_id) { mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE); } else { bmcr = mdio_read(netdev, addr, MII_BMCR); @@ -1400,7 +1400,7 @@ static int e100_phy_init(struct nic *nic) /* Handle National tx phys */ #define NCS_PHY_MODEL_MASK 0xFFF0FFFF - if((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { + if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) { /* Disable congestion control */ cong = mdio_read(netdev, nic->mii.phy_id, MII_NSC_CONG); cong |= NSC_CONG_TXREADY; @@ -1408,7 +1408,7 @@ static int e100_phy_init(struct nic *nic) mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong); } - if((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && + if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) && (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) && !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) { /* enable/disable MDI/MDI-X auto-switching. */ @@ -1426,25 +1426,25 @@ static int e100_hw_init(struct nic *nic) e100_hw_reset(nic); DPRINTK(HW, ERR, "e100_hw_init\n"); - if(!in_interrupt() && (err = e100_self_test(nic))) + if (!in_interrupt() && (err = e100_self_test(nic))) return err; - if((err = e100_phy_init(nic))) + if ((err = e100_phy_init(nic))) return err; - if((err = e100_exec_cmd(nic, cuc_load_base, 0))) + if ((err = e100_exec_cmd(nic, cuc_load_base, 0))) return err; - if((err = e100_exec_cmd(nic, ruc_load_base, 0))) + if ((err = e100_exec_cmd(nic, ruc_load_base, 0))) return err; if ((err = e100_exec_cb_wait(nic, NULL, e100_setup_ucode))) return err; - if((err = e100_exec_cb(nic, NULL, e100_configure))) + if ((err = e100_exec_cb(nic, NULL, e100_configure))) return err; - if((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr))) + if ((err = e100_exec_cb(nic, NULL, e100_setup_iaaddr))) return err; - if((err = e100_exec_cmd(nic, cuc_dump_addr, + if ((err = e100_exec_cmd(nic, cuc_dump_addr, nic->dma_addr + offsetof(struct mem, stats)))) return err; - if((err = e100_exec_cmd(nic, cuc_dump_reset, 0))) + if ((err = e100_exec_cmd(nic, cuc_dump_reset, 0))) return err; e100_disable_irq(nic); @@ -1460,7 +1460,7 @@ static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb) cb->command = cpu_to_le16(cb_multi); cb->u.multi.count = cpu_to_le16(count * ETH_ALEN); - for(i = 0; list && i < count; i++, list = list->next) + for (i = 0; list && i < count; i++, list = list->next) memcpy(&cb->u.multi.addr[i*ETH_ALEN], &list->dmi_addr, ETH_ALEN); } @@ -1472,12 +1472,12 @@ static void e100_set_multicast_list(struct net_device *netdev) DPRINTK(HW, DEBUG, "mc_count=%d, flags=0x%04X\n", netdev->mc_count, netdev->flags); - if(netdev->flags & IFF_PROMISC) + if (netdev->flags & IFF_PROMISC) nic->flags |= promiscuous; else nic->flags &= ~promiscuous; - if(netdev->flags & IFF_ALLMULTI || + if (netdev->flags & IFF_ALLMULTI || netdev->mc_count > E100_MAX_MULTICAST_ADDRS) nic->flags |= multicast_all; else @@ -1500,7 +1500,7 @@ static void e100_update_stats(struct nic *nic) * complete, so we're always waiting for results of the * previous command. */ - if(*complete == cpu_to_le32(cuc_dump_reset_complete)) { + if (*complete == cpu_to_le32(cuc_dump_reset_complete)) { *complete = 0; nic->tx_frames = le32_to_cpu(s->tx_good_frames); nic->tx_collisions = le32_to_cpu(s->tx_total_collisions); @@ -1527,12 +1527,12 @@ static void e100_update_stats(struct nic *nic) le32_to_cpu(s->tx_single_collisions); nic->tx_multiple_collisions += le32_to_cpu(s->tx_multiple_collisions); - if(nic->mac >= mac_82558_D101_A4) { + if (nic->mac >= mac_82558_D101_A4) { nic->tx_fc_pause += le32_to_cpu(s->fc_xmt_pause); nic->rx_fc_pause += le32_to_cpu(s->fc_rcv_pause); nic->rx_fc_unsupported += le32_to_cpu(s->fc_rcv_unsupported); - if(nic->mac >= mac_82559_D101M) { + if (nic->mac >= mac_82559_D101M) { nic->tx_tco_frames += le16_to_cpu(s->xmt_tco_frames); nic->rx_tco_frames += @@ -1542,7 +1542,7 @@ static void e100_update_stats(struct nic *nic) } - if(e100_exec_cmd(nic, cuc_dump_reset, 0)) + if (e100_exec_cmd(nic, cuc_dump_reset, 0)) DPRINTK(TX_ERR, DEBUG, "exec cuc_dump_reset failed\n"); } @@ -1551,19 +1551,19 @@ static void e100_adjust_adaptive_ifs(struct nic *nic, int speed, int duplex) /* Adjust inter-frame-spacing (IFS) between two transmits if * we're getting collisions on a half-duplex connection. */ - if(duplex == DUPLEX_HALF) { + if (duplex == DUPLEX_HALF) { u32 prev = nic->adaptive_ifs; u32 min_frames = (speed == SPEED_100) ? 1000 : 100; - if((nic->tx_frames / 32 < nic->tx_collisions) && + if ((nic->tx_frames / 32 < nic->tx_collisions) && (nic->tx_frames > min_frames)) { - if(nic->adaptive_ifs < 60) + if (nic->adaptive_ifs < 60) nic->adaptive_ifs += 5; } else if (nic->tx_frames < min_frames) { - if(nic->adaptive_ifs >= 5) + if (nic->adaptive_ifs >= 5) nic->adaptive_ifs -= 5; } - if(nic->adaptive_ifs != prev) + if (nic->adaptive_ifs != prev) e100_exec_cb(nic, NULL, e100_configure); } } @@ -1579,12 +1579,12 @@ static void e100_watchdog(unsigned long data) mii_ethtool_gset(&nic->mii, &cmd); - if(mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) { + if (mii_link_ok(&nic->mii) && !netif_carrier_ok(nic->netdev)) { printk(KERN_INFO "e100: %s NIC Link is Up %s Mbps %s Duplex\n", nic->netdev->name, cmd.speed == SPEED_100 ? "100" : "10", cmd.duplex == DUPLEX_FULL ? "Full" : "Half"); - } else if(!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) { + } else if (!mii_link_ok(&nic->mii) && netif_carrier_ok(nic->netdev)) { printk(KERN_INFO "e100: %s NIC Link is Down\n", nic->netdev->name); } @@ -1604,11 +1604,11 @@ static void e100_watchdog(unsigned long data) e100_update_stats(nic); e100_adjust_adaptive_ifs(nic, cmd.speed, cmd.duplex); - if(nic->mac <= mac_82557_D100_C) + if (nic->mac <= mac_82557_D100_C) /* Issue a multicast command to workaround a 557 lock up */ e100_set_multicast_list(nic->netdev); - if(nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF) + if (nic->flags & ich && cmd.speed==SPEED_10 && cmd.duplex==DUPLEX_HALF) /* Need SW workaround for ICH[x] 10Mbps/half duplex Tx hang. */ nic->flags |= ich_10h_workaround; else @@ -1623,7 +1623,7 @@ static void e100_xmit_prepare(struct nic *nic, struct cb *cb, { cb->command = nic->tx_command; /* interrupt every 16 packets regardless of delay */ - if((nic->cbs_avail & ~15) == nic->cbs_avail) + if ((nic->cbs_avail & ~15) == nic->cbs_avail) cb->command |= cpu_to_le16(cb_i); cb->u.tcb.tbd_array = cb->dma_addr + offsetof(struct cb, u.tcb.tbd); cb->u.tcb.tcb_byte_count = 0; @@ -1640,18 +1640,18 @@ static int e100_xmit_frame(struct sk_buff *skb, struct net_device *netdev) struct nic *nic = netdev_priv(netdev); int err; - if(nic->flags & ich_10h_workaround) { + if (nic->flags & ich_10h_workaround) { /* SW workaround for ICH[x] 10Mbps/half duplex Tx hang. Issue a NOP command followed by a 1us delay before issuing the Tx command. */ - if(e100_exec_cmd(nic, cuc_nop, 0)) + if (e100_exec_cmd(nic, cuc_nop, 0)) DPRINTK(TX_ERR, DEBUG, "exec cuc_nop failed\n"); udelay(1); } err = e100_exec_cb(nic, skb, e100_xmit_prepare); - switch(err) { + switch (err) { case -ENOSPC: /* We queued the skb, but now we're out of space. */ DPRINTK(TX_ERR, DEBUG, "No space for CB\n"); @@ -1677,14 +1677,14 @@ static int e100_tx_clean(struct nic *nic) spin_lock(&nic->cb_lock); /* Clean CBs marked complete */ - for(cb = nic->cb_to_clean; + for (cb = nic->cb_to_clean; cb->status & cpu_to_le16(cb_complete); cb = nic->cb_to_clean = cb->next) { DPRINTK(TX_DONE, DEBUG, "cb[%d]->status = 0x%04X\n", (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)), cb->status); - if(likely(cb->skb != NULL)) { + if (likely(cb->skb != NULL)) { dev->stats.tx_packets++; dev->stats.tx_bytes += cb->skb->len; @@ -1703,7 +1703,7 @@ static int e100_tx_clean(struct nic *nic) spin_unlock(&nic->cb_lock); /* Recover from running out of Tx resources in xmit_frame */ - if(unlikely(tx_cleaned && netif_queue_stopped(nic->netdev))) + if (unlikely(tx_cleaned && netif_queue_stopped(nic->netdev))) netif_wake_queue(nic->netdev); return tx_cleaned; @@ -1711,10 +1711,10 @@ static int e100_tx_clean(struct nic *nic) static void e100_clean_cbs(struct nic *nic) { - if(nic->cbs) { - while(nic->cbs_avail != nic->params.cbs.count) { + if (nic->cbs) { + while (nic->cbs_avail != nic->params.cbs.count) { struct cb *cb = nic->cb_to_clean; - if(cb->skb) { + if (cb->skb) { pci_unmap_single(nic->pdev, le32_to_cpu(cb->u.tcb.tbd.buf_addr), le16_to_cpu(cb->u.tcb.tbd.size), @@ -1746,10 +1746,10 @@ static int e100_alloc_cbs(struct nic *nic) nic->cbs = pci_alloc_consistent(nic->pdev, sizeof(struct cb) * count, &nic->cbs_dma_addr); - if(!nic->cbs) + if (!nic->cbs) return -ENOMEM; - for(cb = nic->cbs, i = 0; i < count; cb++, i++) { + for (cb = nic->cbs, i = 0; i < count; cb++, i++) { cb->next = (i + 1 < count) ? cb + 1 : nic->cbs; cb->prev = (i == 0) ? nic->cbs + count - 1 : cb - 1; @@ -1767,14 +1767,14 @@ static int e100_alloc_cbs(struct nic *nic) static inline void e100_start_receiver(struct nic *nic, struct rx *rx) { - if(!nic->rxs) return; - if(RU_SUSPENDED != nic->ru_running) return; + if (!nic->rxs) return; + if (RU_SUSPENDED != nic->ru_running) return; /* handle init time starts */ - if(!rx) rx = nic->rxs; + if (!rx) rx = nic->rxs; /* (Re)start RU if suspended or idle and RFA is non-NULL */ - if(rx->skb) { + if (rx->skb) { e100_exec_cmd(nic, ruc_start, rx->dma_addr); nic->ru_running = RU_RUNNING; } @@ -1783,7 +1783,7 @@ static inline void e100_start_receiver(struct nic *nic, struct rx *rx) #define RFD_BUF_LEN (sizeof(struct rfd) + VLAN_ETH_FRAME_LEN) static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) { - if(!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN))) + if (!(rx->skb = netdev_alloc_skb(nic->netdev, RFD_BUF_LEN + NET_IP_ALIGN))) return -ENOMEM; /* Align, init, and map the RFD. */ @@ -1820,7 +1820,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, struct rfd *rfd = (struct rfd *)skb->data; u16 rfd_status, actual_size; - if(unlikely(work_done && *work_done >= work_to_do)) + if (unlikely(work_done && *work_done >= work_to_do)) return -EAGAIN; /* Need to sync before taking a peek at cb_complete bit */ @@ -1847,7 +1847,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, /* Get actual data size */ actual_size = le16_to_cpu(rfd->actual_size) & 0x3FFF; - if(unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd))) + if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd))) actual_size = RFD_BUF_LEN - sizeof(struct rfd); /* Get data */ @@ -1872,10 +1872,10 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, skb_put(skb, actual_size); skb->protocol = eth_type_trans(skb, nic->netdev); - if(unlikely(!(rfd_status & cb_ok))) { + if (unlikely(!(rfd_status & cb_ok))) { /* Don't indicate if hardware indicates errors */ dev_kfree_skb_any(skb); - } else if(actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) { + } else if (actual_size > ETH_DATA_LEN + VLAN_ETH_HLEN) { /* Don't indicate oversized frames */ nic->rx_over_length_errors++; dev_kfree_skb_any(skb); @@ -1883,7 +1883,7 @@ static int e100_rx_indicate(struct nic *nic, struct rx *rx, dev->stats.rx_packets++; dev->stats.rx_bytes += actual_size; netif_receive_skb(skb); - if(work_done) + if (work_done) (*work_done)++; } @@ -1901,7 +1901,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, struct rfd *old_before_last_rfd, *new_before_last_rfd; /* Indicate newly arrived packets */ - for(rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) { + for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) { err = e100_rx_indicate(nic, rx, work_done, work_to_do); /* Hit quota or no more to clean */ if (-EAGAIN == err || -ENODATA == err) @@ -1922,8 +1922,8 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, old_before_last_rfd = (struct rfd *)old_before_last_rx->skb->data; /* Alloc new skbs to refill list */ - for(rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) { - if(unlikely(e100_rx_alloc_skb(nic, rx))) + for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) { + if (unlikely(e100_rx_alloc_skb(nic, rx))) break; /* Better luck next time (see watchdog) */ } @@ -1959,11 +1959,11 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, PCI_DMA_BIDIRECTIONAL); } - if(restart_required) { + if (restart_required) { // ack the rnr? iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack); e100_start_receiver(nic, nic->rx_to_clean); - if(work_done) + if (work_done) (*work_done)++; } } @@ -1975,9 +1975,9 @@ static void e100_rx_clean_list(struct nic *nic) nic->ru_running = RU_UNINITIALIZED; - if(nic->rxs) { - for(rx = nic->rxs, i = 0; i < count; rx++, i++) { - if(rx->skb) { + if (nic->rxs) { + for (rx = nic->rxs, i = 0; i < count; rx++, i++) { + if (rx->skb) { pci_unmap_single(nic->pdev, rx->dma_addr, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); dev_kfree_skb(rx->skb); @@ -1999,13 +1999,13 @@ static int e100_rx_alloc_list(struct nic *nic) nic->rx_to_use = nic->rx_to_clean = NULL; nic->ru_running = RU_UNINITIALIZED; - if(!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC))) + if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC))) return -ENOMEM; - for(rx = nic->rxs, i = 0; i < count; rx++, i++) { + for (rx = nic->rxs, i = 0; i < count; rx++, i++) { rx->next = (i + 1 < count) ? rx + 1 : nic->rxs; rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1; - if(e100_rx_alloc_skb(nic, rx)) { + if (e100_rx_alloc_skb(nic, rx)) { e100_rx_clean_list(nic); return -ENOMEM; } @@ -2038,7 +2038,7 @@ static irqreturn_t e100_intr(int irq, void *dev_id) DPRINTK(INTR, DEBUG, "stat_ack = 0x%02X\n", stat_ack); - if(stat_ack == stat_ack_not_ours || /* Not our interrupt */ + if (stat_ack == stat_ack_not_ours || /* Not our interrupt */ stat_ack == stat_ack_not_present) /* Hardware is ejected */ return IRQ_NONE; @@ -2046,10 +2046,10 @@ static irqreturn_t e100_intr(int irq, void *dev_id) iowrite8(stat_ack, &nic->csr->scb.stat_ack); /* We hit Receive No Resource (RNR); restart RU after cleaning */ - if(stat_ack & stat_ack_rnr) + if (stat_ack & stat_ack_rnr) nic->ru_running = RU_SUSPENDED; - if(likely(netif_rx_schedule_prep(&nic->napi))) { + if (likely(netif_rx_schedule_prep(&nic->napi))) { e100_disable_irq(nic); __netif_rx_schedule(&nic->napi); } @@ -2102,7 +2102,7 @@ static int e100_set_mac_address(struct net_device *netdev, void *p) static int e100_change_mtu(struct net_device *netdev, int new_mtu) { - if(new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN) + if (new_mtu < ETH_ZLEN || new_mtu > ETH_DATA_LEN) return -EINVAL; netdev->mtu = new_mtu; return 0; @@ -2121,16 +2121,16 @@ static int e100_up(struct nic *nic) { int err; - if((err = e100_rx_alloc_list(nic))) + if ((err = e100_rx_alloc_list(nic))) return err; - if((err = e100_alloc_cbs(nic))) + if ((err = e100_alloc_cbs(nic))) goto err_rx_clean_list; - if((err = e100_hw_init(nic))) + if ((err = e100_hw_init(nic))) goto err_clean_cbs; e100_set_multicast_list(nic->netdev); e100_start_receiver(nic, NULL); mod_timer(&nic->watchdog, jiffies); - if((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED, + if ((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED, nic->netdev->name, nic->netdev))) goto err_no_irq; netif_wake_queue(nic->netdev); @@ -2192,26 +2192,26 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode) * in loopback mode, and the test passes if the received * packet compares byte-for-byte to the transmitted packet. */ - if((err = e100_rx_alloc_list(nic))) + if ((err = e100_rx_alloc_list(nic))) return err; - if((err = e100_alloc_cbs(nic))) + if ((err = e100_alloc_cbs(nic))) goto err_clean_rx; /* ICH PHY loopback is broken so do MAC loopback instead */ - if(nic->flags & ich && loopback_mode == lb_phy) + if (nic->flags & ich && loopback_mode == lb_phy) loopback_mode = lb_mac; nic->loopback = loopback_mode; - if((err = e100_hw_init(nic))) + if ((err = e100_hw_init(nic))) goto err_loopback_none; - if(loopback_mode == lb_phy) + if (loopback_mode == lb_phy) mdio_write(nic->netdev, nic->mii.phy_id, MII_BMCR, BMCR_LOOPBACK); e100_start_receiver(nic, NULL); - if(!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) { + if (!(skb = netdev_alloc_skb(nic->netdev, ETH_DATA_LEN))) { err = -ENOMEM; goto err_loopback_none; } @@ -2224,7 +2224,7 @@ static int e100_loopback_test(struct nic *nic, enum loopback loopback_mode) pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr, RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); - if(memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd), + if (memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd), skb->data, ETH_DATA_LEN)) err = -EAGAIN; @@ -2301,7 +2301,7 @@ static void e100_get_regs(struct net_device *netdev, buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 | ioread8(&nic->csr->scb.cmd_lo) << 16 | ioread16(&nic->csr->scb.status); - for(i = E100_PHY_REGS; i >= 0; i--) + for (i = E100_PHY_REGS; i >= 0; i--) buff[1 + E100_PHY_REGS - i] = mdio_read(netdev, nic->mii.phy_id, i); memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf)); @@ -2326,7 +2326,7 @@ static int e100_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) !device_can_wakeup(&nic->pdev->dev)) return -EOPNOTSUPP; - if(wol->wolopts) + if (wol->wolopts) nic->flags |= wol_magic; else nic->flags &= ~wol_magic; @@ -2385,7 +2385,7 @@ static int e100_set_eeprom(struct net_device *netdev, { struct nic *nic = netdev_priv(netdev); - if(eeprom->magic != E100_EEPROM_MAGIC) + if (eeprom->magic != E100_EEPROM_MAGIC) return -EINVAL; memcpy(&((u8 *)nic->eeprom)[eeprom->offset], bytes, eeprom->len); @@ -2421,7 +2421,7 @@ static int e100_set_ringparam(struct net_device *netdev, if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - if(netif_running(netdev)) + if (netif_running(netdev)) e100_down(nic); rfds->count = max(ring->rx_pending, rfds->min); rfds->count = min(rfds->count, rfds->max); @@ -2429,7 +2429,7 @@ static int e100_set_ringparam(struct net_device *netdev, cbs->count = min(cbs->count, cbs->max); DPRINTK(DRV, INFO, "Ring Param settings: rx: %d, tx %d\n", rfds->count, cbs->count); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_up(nic); return 0; @@ -2454,12 +2454,12 @@ static void e100_diag_test(struct net_device *netdev, memset(data, 0, E100_TEST_LEN * sizeof(u64)); data[0] = !mii_link_ok(&nic->mii); data[1] = e100_eeprom_load(nic); - if(test->flags & ETH_TEST_FL_OFFLINE) { + if (test->flags & ETH_TEST_FL_OFFLINE) { /* save speed, duplex & autoneg settings */ err = mii_ethtool_gset(&nic->mii, &cmd); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_down(nic); data[2] = e100_self_test(nic); data[3] = e100_loopback_test(nic, lb_mac); @@ -2468,10 +2468,10 @@ static void e100_diag_test(struct net_device *netdev, /* restore speed, duplex & autoneg settings */ err = mii_ethtool_sset(&nic->mii, &cmd); - if(netif_running(netdev)) + if (netif_running(netdev)) e100_up(nic); } - for(i = 0; i < E100_TEST_LEN; i++) + for (i = 0; i < E100_TEST_LEN; i++) test->flags |= data[i] ? ETH_TEST_FL_FAILED : 0; msleep_interruptible(4 * 1000); @@ -2481,7 +2481,7 @@ static int e100_phys_id(struct net_device *netdev, u32 data) { struct nic *nic = netdev_priv(netdev); - if(!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) + if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ); mod_timer(&nic->blink_timer, jiffies); msleep_interruptible(data * 1000); @@ -2524,7 +2524,7 @@ static void e100_get_ethtool_stats(struct net_device *netdev, struct nic *nic = netdev_priv(netdev); int i; - for(i = 0; i < E100_NET_STATS_LEN; i++) + for (i = 0; i < E100_NET_STATS_LEN; i++) data[i] = ((unsigned long *)&netdev->stats)[i]; data[i++] = nic->tx_deferred; @@ -2539,7 +2539,7 @@ static void e100_get_ethtool_stats(struct net_device *netdev, static void e100_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { - switch(stringset) { + switch (stringset) { case ETH_SS_TEST: memcpy(data, *e100_gstrings_test, sizeof(e100_gstrings_test)); break; @@ -2589,7 +2589,7 @@ static int e100_alloc(struct nic *nic) static void e100_free(struct nic *nic) { - if(nic->mem) { + if (nic->mem) { pci_free_consistent(nic->pdev, sizeof(struct mem), nic->mem, nic->dma_addr); nic->mem = NULL; @@ -2602,7 +2602,7 @@ static int e100_open(struct net_device *netdev) int err = 0; netif_carrier_off(netdev); - if((err = e100_up(nic))) + if ((err = e100_up(nic))) DPRINTK(IFUP, ERR, "Cannot open interface, aborting.\n"); return err; } @@ -2635,8 +2635,8 @@ static int __devinit e100_probe(struct pci_dev *pdev, struct nic *nic; int err; - if(!(netdev = alloc_etherdev(sizeof(struct nic)))) { - if(((1 << debug) - 1) & NETIF_MSG_PROBE) + if (!(netdev = alloc_etherdev(sizeof(struct nic)))) { + if (((1 << debug) - 1) & NETIF_MSG_PROBE) printk(KERN_ERR PFX "Etherdev alloc failed, abort.\n"); return -ENOMEM; } @@ -2653,24 +2653,24 @@ static int __devinit e100_probe(struct pci_dev *pdev, nic->msg_enable = (1 << debug) - 1; pci_set_drvdata(pdev, netdev); - if((err = pci_enable_device(pdev))) { + if ((err = pci_enable_device(pdev))) { DPRINTK(PROBE, ERR, "Cannot enable PCI device, aborting.\n"); goto err_out_free_dev; } - if(!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { + if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { DPRINTK(PROBE, ERR, "Cannot find proper PCI device " "base address, aborting.\n"); err = -ENODEV; goto err_out_disable_pdev; } - if((err = pci_request_regions(pdev, DRV_NAME))) { + if ((err = pci_request_regions(pdev, DRV_NAME))) { DPRINTK(PROBE, ERR, "Cannot obtain PCI resources, aborting.\n"); goto err_out_disable_pdev; } - if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { + if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) { DPRINTK(PROBE, ERR, "No usable DMA configuration, aborting.\n"); goto err_out_free_res; } @@ -2681,13 +2681,13 @@ static int __devinit e100_probe(struct pci_dev *pdev, DPRINTK(PROBE, INFO, "using i/o access mode\n"); nic->csr = pci_iomap(pdev, (use_io ? 1 : 0), sizeof(struct csr)); - if(!nic->csr) { + if (!nic->csr) { DPRINTK(PROBE, ERR, "Cannot map device registers, aborting.\n"); err = -ENOMEM; goto err_out_free_res; } - if(ent->driver_data) + if (ent->driver_data) nic->flags |= ich; else nic->flags &= ~ich; @@ -2715,12 +2715,12 @@ static int __devinit e100_probe(struct pci_dev *pdev, INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task); - if((err = e100_alloc(nic))) { + if ((err = e100_alloc(nic))) { DPRINTK(PROBE, ERR, "Cannot alloc driver memory, aborting.\n"); goto err_out_iounmap; } - if((err = e100_eeprom_load(nic))) + if ((err = e100_eeprom_load(nic))) goto err_out_free; e100_phy_init(nic); @@ -2740,7 +2740,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, } /* Wol magic packet can be enabled from eeprom */ - if((nic->mac >= mac_82558_D101_A4) && + if ((nic->mac >= mac_82558_D101_A4) && (nic->eeprom[eeprom_id] & eeprom_id_wol)) { nic->flags |= wol_magic; device_set_wakeup_enable(&pdev->dev, true); @@ -2750,7 +2750,7 @@ static int __devinit e100_probe(struct pci_dev *pdev, pci_pme_active(pdev, false); strcpy(netdev->name, "eth%d"); - if((err = register_netdev(netdev))) { + if ((err = register_netdev(netdev))) { DPRINTK(PROBE, ERR, "Cannot register net device, aborting.\n"); goto err_out_free; } @@ -2779,7 +2779,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); - if(netdev) { + if (netdev) { struct nic *nic = netdev_priv(netdev); unregister_netdev(netdev); e100_free(nic); @@ -2932,7 +2932,7 @@ static struct pci_driver e100_driver = { static int __init e100_init_module(void) { - if(((1 << debug) - 1) & NETIF_MSG_DRV) { + if (((1 << debug) - 1) & NETIF_MSG_DRV) { printk(KERN_INFO PFX "%s, %s\n", DRV_DESCRIPTION, DRV_VERSION); printk(KERN_INFO PFX "%s\n", DRV_COPYRIGHT); } -- cgit v0.10.2 From 745417e20684e4951afcabfe74583a3884e54980 Mon Sep 17 00:00:00 2001 From: Gerrit Renker Date: Sun, 4 Jan 2009 17:14:46 -0800 Subject: tun: Eliminate sparse signedness warning register_pernet_gen_device() expects 'int*', found via sparse. CHECK drivers/net/tun.c drivers/net/tun.c:1245:36: warning: incorrect type in argument 1 (different signedness) drivers/net/tun.c:1245:36: expected int *id drivers/net/tun.c:1245:36: got unsigned int static [toplevel] * Signed-off-by: Gerrit Renker Signed-off-by: David S. Miller diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 69f9a0e..d7b81e4 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -213,7 +213,7 @@ static int check_filter(struct tap_filter *filter, const struct sk_buff *skb) /* Network device part of the driver */ -static unsigned int tun_net_id; +static int tun_net_id; struct tun_net { struct list_head dev_list; }; -- cgit v0.10.2 From 22604c866889c4b2e12b73cbf1683bda1b72a313 Mon Sep 17 00:00:00 2001 From: Michael Marineau Date: Sun, 4 Jan 2009 17:18:51 -0800 Subject: net: Fix for initial link state in 2.6.28 From: Michael Marineau Commit b47300168e770b60ab96c8924854c3b0eb4260eb "Do not fire linkwatch events until the device is registered." was made as a workaround for drivers that call netif_carrier_off before registering the device. Unfortunately this causes these drivers to incorrectly report their link status as IF_OPER_UNKNOWN which can falsely set the IFF_RUNNING flag when the interface is first brought up. This issues was previously pointed out[1] but was dismissed saying that IFF_RUNNING is not related to the link status. From my digging IFF_RUNNING, as reported to userspace, is based on the link state. It is set based on __LINK_STATE_START and IF_OPER_UP or IF_OPER_UNKNOWN. See [2], [3], and [4]. (Whether or not the kernel has IFF_RUNNING set in flags is not reported to user space so it may well be independent of the link, I don't know if and when it may get set.) The end result depends slightly depending on the driver. The the two I tested were e1000e and b44. With e1000e if the system is booted without a network cable attached the interface will falsely report RUNNING when it is brought up causing NetworkManager to attempt to start it and eventually time out. With b44 when the system is booted with a network cable attached and brought up with dhcpcd it will time out the first time. The attached patch that will still set the operstate variable correctly to IF_OPER_UP/DOWN/etc when linkwatch_fire_event is called but then return rather than skipping the linkwatch_fire_event call entirely as the previous fix did. (sorry it isn't inline, I don't have a patch friendly email client at the moment) Signed-off-by: David S. Miller diff --git a/net/core/link_watch.c b/net/core/link_watch.c index bf8f7af..1e401e1 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -178,7 +178,6 @@ static void __linkwatch_run_queue(int urgent_only) */ clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state); - rfc2863_policy(dev); if (dev->flags & IFF_UP) { if (netif_carrier_ok(dev)) dev_activate(dev); @@ -215,6 +214,12 @@ void linkwatch_fire_event(struct net_device *dev) { bool urgent = linkwatch_urgent_event(dev); + rfc2863_policy(dev); + + /* Some drivers call netif_carrier_off early */ + if (dev->reg_state == NETREG_UNINITIALIZED) + return; + if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) { dev_hold(dev); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 5f5efe4..23a8e61 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -270,8 +270,6 @@ static void dev_watchdog_down(struct net_device *dev) void netif_carrier_on(struct net_device *dev) { if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; linkwatch_fire_event(dev); if (netif_running(dev)) __netdev_watchdog_up(dev); @@ -288,8 +286,6 @@ EXPORT_SYMBOL(netif_carrier_on); void netif_carrier_off(struct net_device *dev) { if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; linkwatch_fire_event(dev); } } -- cgit v0.10.2 From 914d11647b6d6fe81bdf0c059612ee36282b8cee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Sun, 4 Jan 2009 17:27:31 -0800 Subject: ipv6: IPV6_PKTINFO relied userspace providing correct length MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Ilpo Järvinen Reported-by: Eric Sesterhenn Signed-off-by: David S. Miller diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index eeeaad2..40f3246 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -404,7 +404,7 @@ sticky_done: else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL) goto e_inval; - if (copy_from_user(&pkt, optval, optlen)) { + if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) { retv = -EFAULT; break; } -- cgit v0.10.2 From 858eb711ba64f8a001d7003295b8078bcab33b6d Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Sun, 4 Jan 2009 17:29:21 -0800 Subject: DCB: fix kfree(skb) Use kfree_skb instead of kfree for struct sk_buff pointers. Signed-off-by: Roel Kluin Signed-off-by: David S. Miller diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 5dbfe5f..8379496 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -191,7 +191,7 @@ static int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); return ret; } @@ -272,7 +272,7 @@ static int dcbnl_getpfccfg(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -314,7 +314,7 @@ static int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb, nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -380,7 +380,7 @@ static int dcbnl_getcap(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return -EINVAL; } @@ -458,7 +458,7 @@ static int dcbnl_getnumtcs(struct net_device *netdev, struct nlattr **tb, return 0; nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: return ret; } @@ -687,7 +687,7 @@ err_pg: nla_nest_cancel(dcbnl_skb, pg_nest); nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: ret = -EINVAL; return ret; @@ -949,7 +949,7 @@ err_bcn: nla_nest_cancel(dcbnl_skb, bcn_nest); nlmsg_failure: err: - kfree(dcbnl_skb); + kfree_skb(dcbnl_skb); err_out: ret = -EINVAL; return ret; -- cgit v0.10.2 From 6e5c172cf7ca1ab878cc6a6a4c1d52fef60f3ee0 Mon Sep 17 00:00:00 2001 From: Oliver Hartkopp Date: Sun, 4 Jan 2009 17:31:18 -0800 Subject: can: update can-bcm for hrtimer hardirq callbacks Since commit ca109491f612aab5c8152207631c0444f63da97f ("hrtimer: removing all ur callback modes") the hrtimer callbacks are processed only in hardirq context. This patch moves some functionality into tasklets to run in softirq context. Additionally some duplicated code was removed in bcm_rx_thr_flush() and an avoidable memcpy was removed from bcm_rx_handler(). Signed-off-by: Oliver Hartkopp Signed-off-by: David S. Miller diff --git a/net/can/bcm.c b/net/can/bcm.c index da0d426..6248ae2 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -70,7 +70,7 @@ #define CAN_BCM_VERSION CAN_VERSION static __initdata const char banner[] = KERN_INFO - "can: broadcast manager protocol (rev " CAN_BCM_VERSION ")\n"; + "can: broadcast manager protocol (rev " CAN_BCM_VERSION " t)\n"; MODULE_DESCRIPTION("PF_CAN broadcast manager protocol"); MODULE_LICENSE("Dual BSD/GPL"); @@ -90,6 +90,7 @@ struct bcm_op { unsigned long frames_abs, frames_filtered; struct timeval ival1, ival2; struct hrtimer timer, thrtimer; + struct tasklet_struct tsklet, thrtsklet; ktime_t rx_stamp, kt_ival1, kt_ival2, kt_lastmsg; int rx_ifindex; int count; @@ -341,6 +342,23 @@ static void bcm_send_to_user(struct bcm_op *op, struct bcm_msg_head *head, } } +static void bcm_tx_timeout_tsklet(unsigned long data) +{ + struct bcm_op *op = (struct bcm_op *)data; + struct bcm_msg_head msg_head; + + /* create notification to user */ + msg_head.opcode = TX_EXPIRED; + msg_head.flags = op->flags; + msg_head.count = op->count; + msg_head.ival1 = op->ival1; + msg_head.ival2 = op->ival2; + msg_head.can_id = op->can_id; + msg_head.nframes = 0; + + bcm_send_to_user(op, &msg_head, NULL, 0); +} + /* * bcm_tx_timeout_handler - performes cyclic CAN frame transmissions */ @@ -352,20 +370,8 @@ static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer) if (op->kt_ival1.tv64 && (op->count > 0)) { op->count--; - if (!op->count && (op->flags & TX_COUNTEVT)) { - struct bcm_msg_head msg_head; - - /* create notification to user */ - msg_head.opcode = TX_EXPIRED; - msg_head.flags = op->flags; - msg_head.count = op->count; - msg_head.ival1 = op->ival1; - msg_head.ival2 = op->ival2; - msg_head.can_id = op->can_id; - msg_head.nframes = 0; - - bcm_send_to_user(op, &msg_head, NULL, 0); - } + if (!op->count && (op->flags & TX_COUNTEVT)) + tasklet_schedule(&op->tsklet); } if (op->kt_ival1.tv64 && (op->count > 0)) { @@ -402,6 +408,9 @@ static void bcm_rx_changed(struct bcm_op *op, struct can_frame *data) if (op->frames_filtered > ULONG_MAX/100) op->frames_filtered = op->frames_abs = 0; + /* this element is not throttled anymore */ + data->can_dlc &= (BCM_CAN_DLC_MASK|RX_RECV); + head.opcode = RX_CHANGED; head.flags = op->flags; head.count = op->count; @@ -420,37 +429,32 @@ static void bcm_rx_changed(struct bcm_op *op, struct can_frame *data) */ static void bcm_rx_update_and_send(struct bcm_op *op, struct can_frame *lastdata, - struct can_frame *rxdata) + const struct can_frame *rxdata) { memcpy(lastdata, rxdata, CFSIZ); - /* mark as used */ - lastdata->can_dlc |= RX_RECV; + /* mark as used and throttled by default */ + lastdata->can_dlc |= (RX_RECV|RX_THR); - /* throtteling mode inactive OR data update already on the run ? */ - if (!op->kt_ival2.tv64 || hrtimer_callback_running(&op->thrtimer)) { + /* throtteling mode inactive ? */ + if (!op->kt_ival2.tv64) { /* send RX_CHANGED to the user immediately */ - bcm_rx_changed(op, rxdata); + bcm_rx_changed(op, lastdata); return; } - if (hrtimer_active(&op->thrtimer)) { - /* mark as 'throttled' */ - lastdata->can_dlc |= RX_THR; + /* with active throttling timer we are just done here */ + if (hrtimer_active(&op->thrtimer)) return; - } - if (!op->kt_lastmsg.tv64) { - /* send first RX_CHANGED to the user immediately */ - bcm_rx_changed(op, rxdata); - op->kt_lastmsg = ktime_get(); - return; - } + /* first receiption with enabled throttling mode */ + if (!op->kt_lastmsg.tv64) + goto rx_changed_settime; + /* got a second frame inside a potential throttle period? */ if (ktime_us_delta(ktime_get(), op->kt_lastmsg) < ktime_to_us(op->kt_ival2)) { - /* mark as 'throttled' and start timer */ - lastdata->can_dlc |= RX_THR; + /* do not send the saved data - only start throttle timer */ hrtimer_start(&op->thrtimer, ktime_add(op->kt_lastmsg, op->kt_ival2), HRTIMER_MODE_ABS); @@ -458,7 +462,8 @@ static void bcm_rx_update_and_send(struct bcm_op *op, } /* the gap was that big, that throttling was not needed here */ - bcm_rx_changed(op, rxdata); +rx_changed_settime: + bcm_rx_changed(op, lastdata); op->kt_lastmsg = ktime_get(); } @@ -467,7 +472,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op, * received data stored in op->last_frames[] */ static void bcm_rx_cmp_to_index(struct bcm_op *op, int index, - struct can_frame *rxdata) + const struct can_frame *rxdata) { /* * no one uses the MSBs of can_dlc for comparation, @@ -511,14 +516,12 @@ static void bcm_rx_starttimer(struct bcm_op *op) hrtimer_start(&op->timer, op->kt_ival1, HRTIMER_MODE_REL); } -/* - * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out - */ -static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) +static void bcm_rx_timeout_tsklet(unsigned long data) { - struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer); + struct bcm_op *op = (struct bcm_op *)data; struct bcm_msg_head msg_head; + /* create notification to user */ msg_head.opcode = RX_TIMEOUT; msg_head.flags = op->flags; msg_head.count = op->count; @@ -528,6 +531,17 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) msg_head.nframes = 0; bcm_send_to_user(op, &msg_head, NULL, 0); +} + +/* + * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out + */ +static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) +{ + struct bcm_op *op = container_of(hrtimer, struct bcm_op, timer); + + /* schedule before NET_RX_SOFTIRQ */ + tasklet_hi_schedule(&op->tsklet); /* no restart of the timer is done here! */ @@ -541,9 +555,25 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) } /* + * bcm_rx_do_flush - helper for bcm_rx_thr_flush + */ +static inline int bcm_rx_do_flush(struct bcm_op *op, int update, int index) +{ + if ((op->last_frames) && (op->last_frames[index].can_dlc & RX_THR)) { + if (update) + bcm_rx_changed(op, &op->last_frames[index]); + return 1; + } + return 0; +} + +/* * bcm_rx_thr_flush - Check for throttled data and send it to the userspace + * + * update == 0 : just check if throttled data is available (any irq context) + * update == 1 : check and send throttled data to userspace (soft_irq context) */ -static int bcm_rx_thr_flush(struct bcm_op *op) +static int bcm_rx_thr_flush(struct bcm_op *op, int update) { int updated = 0; @@ -551,27 +581,25 @@ static int bcm_rx_thr_flush(struct bcm_op *op) int i; /* for MUX filter we start at index 1 */ - for (i = 1; i < op->nframes; i++) { - if ((op->last_frames) && - (op->last_frames[i].can_dlc & RX_THR)) { - op->last_frames[i].can_dlc &= ~RX_THR; - bcm_rx_changed(op, &op->last_frames[i]); - updated++; - } - } + for (i = 1; i < op->nframes; i++) + updated += bcm_rx_do_flush(op, update, i); } else { /* for RX_FILTER_ID and simple filter */ - if (op->last_frames && (op->last_frames[0].can_dlc & RX_THR)) { - op->last_frames[0].can_dlc &= ~RX_THR; - bcm_rx_changed(op, &op->last_frames[0]); - updated++; - } + updated += bcm_rx_do_flush(op, update, 0); } return updated; } +static void bcm_rx_thr_tsklet(unsigned long data) +{ + struct bcm_op *op = (struct bcm_op *)data; + + /* push the changed data to the userspace */ + bcm_rx_thr_flush(op, 1); +} + /* * bcm_rx_thr_handler - the time for blocked content updates is over now: * Check for throttled data and send it to the userspace @@ -580,7 +608,9 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer) { struct bcm_op *op = container_of(hrtimer, struct bcm_op, thrtimer); - if (bcm_rx_thr_flush(op)) { + tasklet_schedule(&op->thrtsklet); + + if (bcm_rx_thr_flush(op, 0)) { hrtimer_forward(hrtimer, ktime_get(), op->kt_ival2); return HRTIMER_RESTART; } else { @@ -596,48 +626,38 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer) static void bcm_rx_handler(struct sk_buff *skb, void *data) { struct bcm_op *op = (struct bcm_op *)data; - struct can_frame rxframe; + const struct can_frame *rxframe = (struct can_frame *)skb->data; int i; /* disable timeout */ hrtimer_cancel(&op->timer); - if (skb->len == sizeof(rxframe)) { - memcpy(&rxframe, skb->data, sizeof(rxframe)); - /* save rx timestamp */ - op->rx_stamp = skb->tstamp; - /* save originator for recvfrom() */ - op->rx_ifindex = skb->dev->ifindex; - /* update statistics */ - op->frames_abs++; - kfree_skb(skb); + if (op->can_id != rxframe->can_id) + goto rx_freeskb; - } else { - kfree_skb(skb); - return; - } - - if (op->can_id != rxframe.can_id) - return; + /* save rx timestamp */ + op->rx_stamp = skb->tstamp; + /* save originator for recvfrom() */ + op->rx_ifindex = skb->dev->ifindex; + /* update statistics */ + op->frames_abs++; if (op->flags & RX_RTR_FRAME) { /* send reply for RTR-request (placed in op->frames[0]) */ bcm_can_tx(op); - return; + goto rx_freeskb; } if (op->flags & RX_FILTER_ID) { /* the easiest case */ - bcm_rx_update_and_send(op, &op->last_frames[0], &rxframe); - bcm_rx_starttimer(op); - return; + bcm_rx_update_and_send(op, &op->last_frames[0], rxframe); + goto rx_freeskb_starttimer; } if (op->nframes == 1) { /* simple compare with index 0 */ - bcm_rx_cmp_to_index(op, 0, &rxframe); - bcm_rx_starttimer(op); - return; + bcm_rx_cmp_to_index(op, 0, rxframe); + goto rx_freeskb_starttimer; } if (op->nframes > 1) { @@ -649,15 +669,19 @@ static void bcm_rx_handler(struct sk_buff *skb, void *data) */ for (i = 1; i < op->nframes; i++) { - if ((GET_U64(&op->frames[0]) & GET_U64(&rxframe)) == + if ((GET_U64(&op->frames[0]) & GET_U64(rxframe)) == (GET_U64(&op->frames[0]) & GET_U64(&op->frames[i]))) { - bcm_rx_cmp_to_index(op, i, &rxframe); + bcm_rx_cmp_to_index(op, i, rxframe); break; } } - bcm_rx_starttimer(op); } + +rx_freeskb_starttimer: + bcm_rx_starttimer(op); +rx_freeskb: + kfree_skb(skb); } /* @@ -681,6 +705,12 @@ static void bcm_remove_op(struct bcm_op *op) hrtimer_cancel(&op->timer); hrtimer_cancel(&op->thrtimer); + if (op->tsklet.func) + tasklet_kill(&op->tsklet); + + if (op->thrtsklet.func) + tasklet_kill(&op->thrtsklet); + if ((op->frames) && (op->frames != &op->sframe)) kfree(op->frames); @@ -891,6 +921,10 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->timer.function = bcm_tx_timeout_handler; + /* initialize tasklet for tx countevent notification */ + tasklet_init(&op->tsklet, bcm_tx_timeout_tsklet, + (unsigned long) op); + /* currently unused in tx_ops */ hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); @@ -1054,9 +1088,17 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, hrtimer_init(&op->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->timer.function = bcm_rx_timeout_handler; + /* initialize tasklet for rx timeout notification */ + tasklet_init(&op->tsklet, bcm_rx_timeout_tsklet, + (unsigned long) op); + hrtimer_init(&op->thrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); op->thrtimer.function = bcm_rx_thr_handler; + /* initialize tasklet for rx throttle handling */ + tasklet_init(&op->thrtsklet, bcm_rx_thr_tsklet, + (unsigned long) op); + /* add this bcm_op to the list of the rx_ops */ list_add(&op->list, &bo->rx_ops); @@ -1102,7 +1144,7 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, */ op->kt_lastmsg = ktime_set(0, 0); hrtimer_cancel(&op->thrtimer); - bcm_rx_thr_flush(op); + bcm_rx_thr_flush(op, 1); } if ((op->flags & STARTTIMER) && op->kt_ival1.tv64) -- cgit v0.10.2 From 906f1f0768c736368244ac8fe6023c2b0c31b9ea Mon Sep 17 00:00:00 2001 From: Klaus-Dieter Wacker Date: Sun, 4 Jan 2009 17:34:10 -0800 Subject: qeth: HiperSockets mcl string conversion (pre z9 mach) The pre z9 machines provide an mcl string in EBCDIC format, z9 or later provide string in ASCII format. Signed-off-by: Klaus-Dieter Wacker Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index e783644..ef6c225 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2250,7 +2250,8 @@ void qeth_print_status_message(struct qeth_card *card) } /* fallthrough */ case QETH_CARD_TYPE_IQD: - if (card->info.guestlan) { + if ((card->info.guestlan) || + (card->info.mcl_level[0] & 0x80)) { card->info.mcl_level[0] = (char) _ebcasc[(__u8) card->info.mcl_level[0]]; card->info.mcl_level[1] = (char) _ebcasc[(__u8) -- cgit v0.10.2 From fe94e2e0a63a49d23753f56eacb446c4f73c1dea Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Sun, 4 Jan 2009 17:34:52 -0800 Subject: qeth: exploit source MAC address for inbound layer3 packets OSA-devices operating in layer3 mode offer adding of the source MAC address to the QDIO header of inbound packets. The qeth driver can exploit this functionality to replace FAKELL-entries in the ethernet header of received packets. Signed-off-by: Ursula Braun Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index d5ccce1..e0c4557 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -643,7 +643,6 @@ struct qeth_card_options { int macaddr_mode; int fake_broadcast; int add_hhlen; - int fake_ll; int layer2; enum qeth_large_send_types large_send; int performance_stats; diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index ef6c225..89867bc 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1072,7 +1072,6 @@ static void qeth_set_intial_options(struct qeth_card *card) card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; card->options.fake_broadcast = 0; card->options.add_hhlen = DEFAULT_ADD_HHLEN; - card->options.fake_ll = 0; card->options.performance_stats = 0; card->options.rx_sg_cb = QETH_RX_SG_CB; } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index c0b30b2..cdd6ab9 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1207,12 +1207,9 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) QETH_DBF_TEXT(TRACE, 3, "stsrcmac"); - if (!card->options.fake_ll) - return -EOPNOTSUPP; - if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { dev_info(&card->gdev->dev, - "Inbound source address not supported on %s\n", + "Inbound source MAC-address not supported on %s\n", QETH_CARD_IFNAME(card)); return -EOPNOTSUPP; } @@ -1221,7 +1218,7 @@ static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) IPA_CMD_ASS_START, 0); if (rc) dev_warn(&card->gdev->dev, - "Starting proxy ARP support for %s failed\n", + "Starting source MAC-address support for %s failed\n", QETH_CARD_IFNAME(card)); return rc; } @@ -1921,8 +1918,13 @@ static inline __u16 qeth_l3_rebuild_skb(struct qeth_card *card, memcpy(tg_addr, card->dev->dev_addr, card->dev->addr_len); } - card->dev->header_ops->create(skb, card->dev, prot, tg_addr, - "FAKELL", card->dev->addr_len); + if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) + card->dev->header_ops->create(skb, card->dev, prot, + tg_addr, &hdr->hdr.l3.dest_addr[2], + card->dev->addr_len); + else + card->dev->header_ops->create(skb, card->dev, prot, + tg_addr, "FAKELL", card->dev->addr_len); } #ifdef CONFIG_TR -- cgit v0.10.2 From fc9c24603c4b93d84160e14c0a98a754d4328d15 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Sun, 4 Jan 2009 17:35:18 -0800 Subject: qeth: avoid crash in case of layer mismatch for VSWITCH For z/VM GuestLAN or VSWITCH devices the transport layer is configured in z/VM. The layer2 attribute of a participating Linux device has to match the z/VM definition. In case of a mismatch Linux currently crashes in qeth recovery due to a reference to the not yet existing net_device. Solution: add a check for existence of net_device and add a message pointing to the mismatch of layer definitions in Linux and z/VM. Signed-off-by: Ursula Braun Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 89867bc..ffe6960 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -572,6 +572,10 @@ static void qeth_send_control_data_cb(struct qeth_channel *channel, card = CARD_FROM_CDEV(channel->ccwdev); if (qeth_check_idx_response(iob->data)) { qeth_clear_ipacmd_list(card); + if (((iob->data[2] & 0xc0) == 0xc0) && iob->data[4] == 0xf6) + dev_err(&card->gdev->dev, + "The qeth device is not configured " + "for the OSI layer required by z/VM\n"); qeth_schedule_recovery(card); goto out; } diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 2c48591..21627ba 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1126,9 +1126,11 @@ static int qeth_l2_recover(void *ptr) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if (card->dev) { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } dev_warn(&card->gdev->dev, "The qeth device driver " "failed to recover an error on the device\n"); } diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index cdd6ab9..8f30085 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2082,9 +2082,11 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) if (recovery_mode) qeth_l3_stop(card->dev); else { - rtnl_lock(); - dev_close(card->dev); - rtnl_unlock(); + if (card->dev) { + rtnl_lock(); + dev_close(card->dev); + rtnl_unlock(); + } } if (!card->use_hard_stop) { rc = qeth_send_stoplan(card); -- cgit v0.10.2 From 5b54e16f1a54cee8e590cb039b5c067914ae5081 Mon Sep 17 00:00:00 2001 From: Frank Blaschka Date: Sun, 4 Jan 2009 17:35:44 -0800 Subject: qeth: do not spin for SETIP ip assist command The ip assist hw command for setting an IP address last unacceptable long so we can not spin while we waiting for the irq. Since we can ensure process context for all occurrences of this command we can use wait. Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index ffe6960..4a2ac0c 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1685,6 +1685,7 @@ int qeth_send_control_data(struct qeth_card *card, int len, unsigned long flags; struct qeth_reply *reply = NULL; unsigned long timeout; + struct qeth_ipa_cmd *cmd; QETH_DBF_TEXT(TRACE, 2, "sendctl"); @@ -1731,17 +1732,34 @@ int qeth_send_control_data(struct qeth_card *card, int len, wake_up(&card->wait_q); return rc; } - while (!atomic_read(&reply->received)) { - if (time_after(jiffies, timeout)) { - spin_lock_irqsave(&reply->card->lock, flags); - list_del_init(&reply->list); - spin_unlock_irqrestore(&reply->card->lock, flags); - reply->rc = -ETIME; - atomic_inc(&reply->received); - wake_up(&reply->wait_q); - } - cpu_relax(); - }; + + /* we have only one long running ipassist, since we can ensure + process context of this command we can sleep */ + cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); + if ((cmd->hdr.command == IPA_CMD_SETIP) && + (cmd->hdr.prot_version == QETH_PROT_IPV4)) { + if (!wait_event_timeout(reply->wait_q, + atomic_read(&reply->received), timeout)) + goto time_err; + } else { + while (!atomic_read(&reply->received)) { + if (time_after(jiffies, timeout)) + goto time_err; + cpu_relax(); + }; + } + + rc = reply->rc; + qeth_put_reply(reply); + return rc; + +time_err: + spin_lock_irqsave(&reply->card->lock, flags); + list_del_init(&reply->list); + spin_unlock_irqrestore(&reply->card->lock, flags); + reply->rc = -ETIME; + atomic_inc(&reply->received); + wake_up(&reply->wait_q); rc = reply->rc; qeth_put_reply(reply); return rc; -- cgit v0.10.2 From 015e691cfef02f41aa4deb8aa7efc394bb6d85f0 Mon Sep 17 00:00:00 2001 From: Klaus-Dieter Wacker Date: Sun, 4 Jan 2009 17:36:05 -0800 Subject: qeth: No large send using EDDP for HiperSockets. From: Klaus-Dieter Wacker The device driver qeth dos not support large send using EDDP for HiperSockets. Signed-off-by: Klaus-Dieter Wacker Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 4a2ac0c..6811dd5 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -287,8 +287,15 @@ int qeth_set_large_send(struct qeth_card *card, card->options.large_send = type; switch (card->options.large_send) { case QETH_LARGE_SEND_EDDP: - card->dev->features |= NETIF_F_TSO | NETIF_F_SG | + if (card->info.type != QETH_CARD_TYPE_IQD) { + card->dev->features |= NETIF_F_TSO | NETIF_F_SG | NETIF_F_HW_CSUM; + } else { + card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG | + NETIF_F_HW_CSUM); + card->options.large_send = QETH_LARGE_SEND_NO; + rc = -EOPNOTSUPP; + } break; case QETH_LARGE_SEND_TSO: if (qeth_is_supported(card, IPA_OUTBOUND_TSO)) { -- cgit v0.10.2 From 6ea2fde13abd3444008ab5e9585f9ed249e6047e Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Sun, 4 Jan 2009 17:36:32 -0800 Subject: qeth: get rid of extra argument after printk to dev_* conversion drivers/s390/net/qeth_l3_main.c: In function 'qeth_l3_setadapter_parms': drivers/s390/net/qeth_l3_main.c:1049: warning: too many arguments for format Signed-off-by: Heiko Carstens Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 8f30085..cfda1ec 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1047,7 +1047,7 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card) rc = qeth_setadpparms_change_macaddr(card); if (rc) dev_warn(&card->gdev->dev, "Reading the adapter MAC" - " address failed\n", rc); + " address failed\n"); } if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || -- cgit v0.10.2 From ddebc973c56b51b4e5d84d606f0430d81b895d67 Mon Sep 17 00:00:00 2001 From: Gerrit Renker Date: Sun, 4 Jan 2009 21:42:53 -0800 Subject: dccp: Lockless integration of CCID congestion-control plugins Based on Arnaldo's earlier patch, this patch integrates the standardised CCID congestion control plugins (CCID-2 and CCID-3) of DCCP with dccp.ko: * enables a faster connection path by eliminating the need to always go through the CCID registration lock; * updates the implementation to use only a single array whose size equals the number of configured CCIDs instead of the maximum (256); * since the CCIDs are now fixed array elements, synchronization is no longer needed, simplifying use and implementation. CCID-2 is suggested as minimum for a basic DCCP implementation (RFC 4340, 10); CCID-3 is a standards-track CCID supported by RFC 4342 and RFC 5348. Signed-off-by: Gerrit Renker Signed-off-by: David S. Miller diff --git a/net/dccp/Kconfig b/net/dccp/Kconfig index 7aa2a7a..ad6dffd 100644 --- a/net/dccp/Kconfig +++ b/net/dccp/Kconfig @@ -1,7 +1,6 @@ menuconfig IP_DCCP tristate "The DCCP Protocol (EXPERIMENTAL)" depends on INET && EXPERIMENTAL - select IP_DCCP_CCID2 ---help--- Datagram Congestion Control Protocol (RFC 4340) @@ -25,9 +24,6 @@ config INET_DCCP_DIAG def_tristate y if (IP_DCCP = y && INET_DIAG = y) def_tristate m -config IP_DCCP_ACKVEC - bool - source "net/dccp/ccids/Kconfig" menu "DCCP Kernel Hacking" diff --git a/net/dccp/Makefile b/net/dccp/Makefile index f4f8793..5ff2e7b 100644 --- a/net/dccp/Makefile +++ b/net/dccp/Makefile @@ -2,14 +2,19 @@ obj-$(CONFIG_IP_DCCP) += dccp.o dccp_ipv4.o dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o +# +# CCID algorithms to be used by dccp.ko +# +# CCID-2 is default (RFC 4340, p. 77) and has Ack Vectors as dependency +dccp-y += ccids/ccid2.o ackvec.o +dccp-$(CONFIG_IP_DCCP_CCID3) += ccids/ccid3.o + dccp_ipv4-y := ipv4.o # build dccp_ipv6 as module whenever either IPv6 or DCCP is a module obj-$(subst y,$(CONFIG_IP_DCCP),$(CONFIG_IPV6)) += dccp_ipv6.o dccp_ipv6-y := ipv6.o -dccp-$(CONFIG_IP_DCCP_ACKVEC) += ackvec.o - obj-$(CONFIG_INET_DCCP_DIAG) += dccp_diag.o obj-$(CONFIG_NET_DCCPPROBE) += dccp_probe.o diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h index 4ccee03..569a33a 100644 --- a/net/dccp/ackvec.h +++ b/net/dccp/ackvec.h @@ -84,7 +84,7 @@ struct dccp_ackvec_record { struct sock; struct sk_buff; -#ifdef CONFIG_IP_DCCP_ACKVEC +#ifndef ___OLD_INTERFACE_TO_BE_REMOVED___ extern int dccp_ackvec_init(void); extern void dccp_ackvec_exit(void); @@ -106,7 +106,7 @@ static inline int dccp_ackvec_pending(const struct dccp_ackvec *av) { return av->av_vec_len; } -#else /* CONFIG_IP_DCCP_ACKVEC */ +#else /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ static inline int dccp_ackvec_init(void) { return 0; diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index bcc643f..538d3b1 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -13,6 +13,70 @@ #include "ccid.h" +static struct ccid_operations *ccids[] = { + &ccid2_ops, +#ifdef CONFIG_IP_DCCP_CCID3 + &ccid3_ops, +#endif +}; + +static struct ccid_operations *ccid_by_number(const u8 id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) + if (ccids[i]->ccid_id == id) + return ccids[i]; + return NULL; +} + +/* check that up to @array_len members in @ccid_array are supported */ +bool ccid_support_check(u8 const *ccid_array, u8 array_len) +{ + while (array_len > 0) + if (ccid_by_number(ccid_array[--array_len]) == NULL) + return false; + return true; +} + +/** + * ccid_get_builtin_ccids - Populate a list of built-in CCIDs + * @ccid_array: pointer to copy into + * @array_len: value to return length into + * This function allocates memory - caller must see that it is freed after use. + */ +int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len) +{ + *ccid_array = kmalloc(ARRAY_SIZE(ccids), gfp_any()); + if (*ccid_array == NULL) + return -ENOBUFS; + + for (*array_len = 0; *array_len < ARRAY_SIZE(ccids); *array_len += 1) + (*ccid_array)[*array_len] = ccids[*array_len]->ccid_id; + return 0; +} + +int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, + char __user *optval, int __user *optlen) +{ + u8 *ccid_array, array_len; + int err = 0; + + if (len < ARRAY_SIZE(ccids)) + return -EINVAL; + + if (ccid_get_builtin_ccids(&ccid_array, &array_len)) + return -ENOBUFS; + + if (put_user(array_len, optlen) || + copy_to_user(optval, ccid_array, array_len)) + err = -EFAULT; + + kfree(ccid_array); + return err; +} + +#ifdef ___OLD_INTERFACE_TO_BE_REMOVED___ static u8 builtin_ccids[] = { DCCPC_CCID2, /* CCID2 is supported by default */ #if defined(CONFIG_IP_DCCP_CCID3) || defined(CONFIG_IP_DCCP_CCID3_MODULE) @@ -62,6 +126,7 @@ static inline void ccids_read_unlock(void) #define ccids_read_lock() do { } while(0) #define ccids_read_unlock() do { } while(0) #endif +#endif /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...) { @@ -93,6 +158,7 @@ static void ccid_kmem_cache_destroy(struct kmem_cache *slab) } } +#ifdef ___OLD_INTERFACE_TO_BE_REMOVED___ /* check that up to @array_len members in @ccid_array are supported */ bool ccid_support_check(u8 const *ccid_array, u8 array_len) { @@ -133,8 +199,9 @@ int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, return -EFAULT; return 0; } +#endif /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ -int ccid_register(struct ccid_operations *ccid_ops) +static int ccid_activate(struct ccid_operations *ccid_ops) { int err = -ENOBUFS; @@ -152,79 +219,40 @@ int ccid_register(struct ccid_operations *ccid_ops) if (ccid_ops->ccid_hc_tx_slab == NULL) goto out_free_rx_slab; - ccids_write_lock(); - err = -EEXIST; - if (ccids[ccid_ops->ccid_id] == NULL) { - ccids[ccid_ops->ccid_id] = ccid_ops; - err = 0; - } - ccids_write_unlock(); - if (err != 0) - goto out_free_tx_slab; - - pr_info("CCID: Registered CCID %d (%s)\n", + pr_info("CCID: Activated CCID %d (%s)\n", ccid_ops->ccid_id, ccid_ops->ccid_name); + err = 0; out: return err; -out_free_tx_slab: - ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab); - ccid_ops->ccid_hc_tx_slab = NULL; - goto out; out_free_rx_slab: ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab); ccid_ops->ccid_hc_rx_slab = NULL; goto out; } -EXPORT_SYMBOL_GPL(ccid_register); - -int ccid_unregister(struct ccid_operations *ccid_ops) +static void ccid_deactivate(struct ccid_operations *ccid_ops) { - ccids_write_lock(); - ccids[ccid_ops->ccid_id] = NULL; - ccids_write_unlock(); - ccid_kmem_cache_destroy(ccid_ops->ccid_hc_tx_slab); ccid_ops->ccid_hc_tx_slab = NULL; ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab); ccid_ops->ccid_hc_rx_slab = NULL; - pr_info("CCID: Unregistered CCID %d (%s)\n", + pr_info("CCID: Deactivated CCID %d (%s)\n", ccid_ops->ccid_id, ccid_ops->ccid_name); - return 0; } -EXPORT_SYMBOL_GPL(ccid_unregister); - struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) { - struct ccid_operations *ccid_ops; + struct ccid_operations *ccid_ops = ccid_by_number(id); struct ccid *ccid = NULL; - ccids_read_lock(); -#ifdef CONFIG_MODULES - if (ccids[id] == NULL) { - /* We only try to load if in process context */ - ccids_read_unlock(); - if (gfp & GFP_ATOMIC) - goto out; - request_module("net-dccp-ccid-%d", id); - ccids_read_lock(); - } -#endif - ccid_ops = ccids[id]; if (ccid_ops == NULL) - goto out_unlock; - - if (!try_module_get(ccid_ops->ccid_owner)) - goto out_unlock; - - ccids_read_unlock(); + goto out; ccid = kmem_cache_alloc(rx ? ccid_ops->ccid_hc_rx_slab : ccid_ops->ccid_hc_tx_slab, gfp); if (ccid == NULL) - goto out_module_put; + goto out; ccid->ccid_ops = ccid_ops; if (rx) { memset(ccid + 1, 0, ccid_ops->ccid_hc_rx_obj_size); @@ -239,15 +267,10 @@ struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) } out: return ccid; -out_unlock: - ccids_read_unlock(); - goto out; out_free_ccid: kmem_cache_free(rx ? ccid_ops->ccid_hc_rx_slab : ccid_ops->ccid_hc_tx_slab, ccid); ccid = NULL; -out_module_put: - module_put(ccid_ops->ccid_owner); goto out; } @@ -270,10 +293,6 @@ static void ccid_delete(struct ccid *ccid, struct sock *sk, int rx) ccid_ops->ccid_hc_tx_exit(sk); kmem_cache_free(ccid_ops->ccid_hc_tx_slab, ccid); } - ccids_read_lock(); - if (ccids[ccid_ops->ccid_id] != NULL) - module_put(ccid_ops->ccid_owner); - ccids_read_unlock(); } void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk) @@ -289,3 +308,28 @@ void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk) } EXPORT_SYMBOL_GPL(ccid_hc_tx_delete); + +int __init ccid_initialize_builtins(void) +{ + int i, err; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) { + err = ccid_activate(ccids[i]); + if (err) + goto unwind_registrations; + } + return 0; + +unwind_registrations: + while(--i >= 0) + ccid_deactivate(ccids[i]); + return err; +} + +void ccid_cleanup_builtins(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ccids); i++) + ccid_deactivate(ccids[i]); +} diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h index 18f69423..75c21c5 100644 --- a/net/dccp/ccid.h +++ b/net/dccp/ccid.h @@ -29,7 +29,6 @@ struct tcp_info; * @ccid_id: numerical CCID ID (up to %CCID_MAX, cf. table 5 in RFC 4340, 10.) * @ccid_ccmps: the CCMPS including network/transport headers (0 when disabled) * @ccid_name: alphabetical identifier string for @ccid_id - * @ccid_owner: module which implements/owns this CCID * @ccid_hc_{r,t}x_slab: memory pool for the receiver/sender half-connection * @ccid_hc_{r,t}x_obj_size: size of the receiver/sender half-connection socket * @@ -48,7 +47,6 @@ struct ccid_operations { unsigned char ccid_id; __u32 ccid_ccmps; const char *ccid_name; - struct module *ccid_owner; struct kmem_cache *ccid_hc_rx_slab, *ccid_hc_tx_slab; __u32 ccid_hc_rx_obj_size, @@ -90,8 +88,13 @@ struct ccid_operations { int __user *optlen); }; -extern int ccid_register(struct ccid_operations *ccid_ops); -extern int ccid_unregister(struct ccid_operations *ccid_ops); +extern struct ccid_operations ccid2_ops; +#ifdef CONFIG_IP_DCCP_CCID3 +extern struct ccid_operations ccid3_ops; +#endif + +extern int ccid_initialize_builtins(void); +extern void ccid_cleanup_builtins(void); struct ccid { struct ccid_operations *ccid_ops; diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig index 1227594..b30f049 100644 --- a/net/dccp/ccids/Kconfig +++ b/net/dccp/ccids/Kconfig @@ -1,80 +1,52 @@ menu "DCCP CCIDs Configuration (EXPERIMENTAL)" depends on EXPERIMENTAL -config IP_DCCP_CCID2 - tristate "CCID2 (TCP-Like) (EXPERIMENTAL)" - def_tristate IP_DCCP - select IP_DCCP_ACKVEC - ---help--- - CCID 2, TCP-like Congestion Control, denotes Additive Increase, - Multiplicative Decrease (AIMD) congestion control with behavior - modelled directly on TCP, including congestion window, slow start, - timeouts, and so forth [RFC 2581]. CCID 2 achieves maximum - bandwidth over the long term, consistent with the use of end-to-end - congestion control, but halves its congestion window in response to - each congestion event. This leads to the abrupt rate changes - typical of TCP. Applications should use CCID 2 if they prefer - maximum bandwidth utilization to steadiness of rate. This is often - the case for applications that are not playing their data directly - to the user. For example, a hypothetical application that - transferred files over DCCP, using application-level retransmissions - for lost packets, would prefer CCID 2 to CCID 3. On-line games may - also prefer CCID 2. See RFC 4341 for further details. - - CCID2 is the default CCID used by DCCP. - config IP_DCCP_CCID2_DEBUG - bool "CCID2 debugging messages" - depends on IP_DCCP_CCID2 - ---help--- - Enable CCID2-specific debugging messages. + bool "CCID-2 debugging messages" + ---help--- + Enable CCID-2 specific debugging messages. - When compiling CCID2 as a module, this debugging output can - additionally be toggled by setting the ccid2_debug module - parameter to 0 or 1. + The debugging output can additionally be toggled by setting the + ccid2_debug parameter to 0 or 1. - If in doubt, say N. + If in doubt, say N. config IP_DCCP_CCID3 - tristate "CCID3 (TCP-Friendly) (EXPERIMENTAL)" - def_tristate IP_DCCP + bool "CCID-3 (TCP-Friendly) (EXPERIMENTAL)" + def_bool y if (IP_DCCP = y || IP_DCCP = m) select IP_DCCP_TFRC_LIB ---help--- - CCID 3 denotes TCP-Friendly Rate Control (TFRC), an equation-based + CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based rate-controlled congestion control mechanism. TFRC is designed to be reasonably fair when competing for bandwidth with TCP-like flows, where a flow is "reasonably fair" if its sending rate is generally within a factor of two of the sending rate of a TCP flow under the same conditions. However, TFRC has a much lower variation of - throughput over time compared with TCP, which makes CCID 3 more - suitable than CCID 2 for applications such streaming media where a + throughput over time compared with TCP, which makes CCID-3 more + suitable than CCID-2 for applications such streaming media where a relatively smooth sending rate is of importance. - CCID 3 is further described in RFC 4342, + CCID-3 is further described in RFC 4342, http://www.ietf.org/rfc/rfc4342.txt The TFRC congestion control algorithms were initially described in - RFC 3448. + RFC 5448. This text was extracted from RFC 4340 (sec. 10.2), http://www.ietf.org/rfc/rfc4340.txt - - To compile this CCID as a module, choose M here: the module will be - called dccp_ccid3. - If in doubt, say M. + If in doubt, say N. config IP_DCCP_CCID3_DEBUG - bool "CCID3 debugging messages" - depends on IP_DCCP_CCID3 - ---help--- - Enable CCID3-specific debugging messages. + bool "CCID-3 debugging messages" + depends on IP_DCCP_CCID3 + ---help--- + Enable CCID-3 specific debugging messages. - When compiling CCID3 as a module, this debugging output can - additionally be toggled by setting the ccid3_debug module - parameter to 0 or 1. + The debugging output can additionally be toggled by setting the + ccid3_debug parameter to 0 or 1. - If in doubt, say N. + If in doubt, say N. config IP_DCCP_CCID3_RTO int "Use higher bound for nofeedback timer" diff --git a/net/dccp/ccids/Makefile b/net/dccp/ccids/Makefile index 438f20b..cdaefff 100644 --- a/net/dccp/ccids/Makefile +++ b/net/dccp/ccids/Makefile @@ -1,9 +1 @@ -obj-$(CONFIG_IP_DCCP_CCID3) += dccp_ccid3.o - -dccp_ccid3-y := ccid3.o - -obj-$(CONFIG_IP_DCCP_CCID2) += dccp_ccid2.o - -dccp_ccid2-y := ccid2.o - obj-y += lib/ diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index c9ea19a..d235294 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -768,10 +768,9 @@ static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) } } -static struct ccid_operations ccid2 = { +struct ccid_operations ccid2_ops = { .ccid_id = DCCPC_CCID2, .ccid_name = "TCP-like", - .ccid_owner = THIS_MODULE, .ccid_hc_tx_obj_size = sizeof(struct ccid2_hc_tx_sock), .ccid_hc_tx_init = ccid2_hc_tx_init, .ccid_hc_tx_exit = ccid2_hc_tx_exit, @@ -784,22 +783,5 @@ static struct ccid_operations ccid2 = { #ifdef CONFIG_IP_DCCP_CCID2_DEBUG module_param(ccid2_debug, bool, 0644); -MODULE_PARM_DESC(ccid2_debug, "Enable debug messages"); +MODULE_PARM_DESC(ccid2_debug, "Enable CCID-2 debug messages"); #endif - -static __init int ccid2_module_init(void) -{ - return ccid_register(&ccid2); -} -module_init(ccid2_module_init); - -static __exit void ccid2_module_exit(void) -{ - ccid_unregister(&ccid2); -} -module_exit(ccid2_module_exit); - -MODULE_AUTHOR("Andrea Bittau "); -MODULE_DESCRIPTION("DCCP TCP-Like (CCID2) CCID"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("net-dccp-ccid-2"); diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 3b8bd7c..a27b7f4 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -940,10 +940,9 @@ static int ccid3_hc_rx_getsockopt(struct sock *sk, const int optname, int len, return 0; } -static struct ccid_operations ccid3 = { +struct ccid_operations ccid3_ops = { .ccid_id = DCCPC_CCID3, .ccid_name = "TCP-Friendly Rate Control", - .ccid_owner = THIS_MODULE, .ccid_hc_tx_obj_size = sizeof(struct ccid3_hc_tx_sock), .ccid_hc_tx_init = ccid3_hc_tx_init, .ccid_hc_tx_exit = ccid3_hc_tx_exit, @@ -964,23 +963,5 @@ static struct ccid_operations ccid3 = { #ifdef CONFIG_IP_DCCP_CCID3_DEBUG module_param(ccid3_debug, bool, 0644); -MODULE_PARM_DESC(ccid3_debug, "Enable debug messages"); +MODULE_PARM_DESC(ccid3_debug, "Enable CCID-3 debug messages"); #endif - -static __init int ccid3_module_init(void) -{ - return ccid_register(&ccid3); -} -module_init(ccid3_module_init); - -static __exit void ccid3_module_exit(void) -{ - ccid_unregister(&ccid3); -} -module_exit(ccid3_module_exit); - -MODULE_AUTHOR("Ian McDonald , " - "Arnaldo Carvalho de Melo "); -MODULE_DESCRIPTION("DCCP TFRC CCID3 CCID"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("net-dccp-ccid-3"); diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 0bc4c9a..f2230fc 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -432,10 +432,8 @@ static inline int dccp_ack_pending(const struct sock *sk) { const struct dccp_sock *dp = dccp_sk(sk); return dp->dccps_timestamp_echo != 0 || -#ifdef CONFIG_IP_DCCP_ACKVEC (dp->dccps_hc_rx_ackvec != NULL && dccp_ackvec_pending(dp->dccps_hc_rx_ackvec)) || -#endif inet_csk_ack_scheduled(sk); } diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 1747cca..945b4d5 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -1118,9 +1118,15 @@ static int __init dccp_init(void) if (rc) goto out_ackvec_exit; + rc = ccid_initialize_builtins(); + if (rc) + goto out_sysctl_exit; + dccp_timestamping_init(); out: return rc; +out_sysctl_exit: + dccp_sysctl_exit(); out_ackvec_exit: dccp_ackvec_exit(); out_free_dccp_mib: @@ -1143,6 +1149,7 @@ out_free_percpu: static void __exit dccp_fini(void) { + ccid_cleanup_builtins(); dccp_mib_exit(); free_pages((unsigned long)dccp_hashinfo.bhash, get_order(dccp_hashinfo.bhash_size * -- cgit v0.10.2 From e5fd56ca4eb3a130882bbef69d6952ef6aca5c8d Mon Sep 17 00:00:00 2001 From: Gerrit Renker Date: Sun, 4 Jan 2009 21:43:23 -0800 Subject: dccp: Clean up ccid.c after integration of CCID plugins This patch cleans up after integrating the CCID modules and, in addition, * moves the if/else cases from ccid_delete() into ccid_hc_{tx,rx}_delete(); * removes the 'gfp' argument to ccid_new() - since it is always gfp_any(). Signed-off-by: Gerrit Renker Signed-off-by: David S. Miller diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h index 569a33a..45f95e5 100644 --- a/net/dccp/ackvec.h +++ b/net/dccp/ackvec.h @@ -84,7 +84,6 @@ struct dccp_ackvec_record { struct sock; struct sk_buff; -#ifndef ___OLD_INTERFACE_TO_BE_REMOVED___ extern int dccp_ackvec_init(void); extern void dccp_ackvec_exit(void); @@ -106,52 +105,4 @@ static inline int dccp_ackvec_pending(const struct dccp_ackvec *av) { return av->av_vec_len; } -#else /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ -static inline int dccp_ackvec_init(void) -{ - return 0; -} - -static inline void dccp_ackvec_exit(void) -{ -} - -static inline struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority) -{ - return NULL; -} - -static inline void dccp_ackvec_free(struct dccp_ackvec *av) -{ -} - -static inline int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk, - const u64 ackno, const u8 state) -{ - return -1; -} - -static inline void dccp_ackvec_check_rcv_ackno(struct dccp_ackvec *av, - struct sock *sk, const u64 ackno) -{ -} - -static inline int dccp_ackvec_parse(struct sock *sk, const struct sk_buff *skb, - const u64 *ackno, const u8 opt, - const u8 *value, const u8 len) -{ - return -1; -} - -static inline int dccp_insert_option_ackvec(const struct sock *sk, - const struct sk_buff *skb) -{ - return -1; -} - -static inline int dccp_ackvec_pending(const struct dccp_ackvec *av) -{ - return 0; -} -#endif /* CONFIG_IP_DCCP_ACKVEC */ #endif /* _ACKVEC_H */ diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index 538d3b1..19b214a 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -76,58 +76,6 @@ int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, return err; } -#ifdef ___OLD_INTERFACE_TO_BE_REMOVED___ -static u8 builtin_ccids[] = { - DCCPC_CCID2, /* CCID2 is supported by default */ -#if defined(CONFIG_IP_DCCP_CCID3) || defined(CONFIG_IP_DCCP_CCID3_MODULE) - DCCPC_CCID3, -#endif -}; - -static struct ccid_operations *ccids[CCID_MAX]; -#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT) -static atomic_t ccids_lockct = ATOMIC_INIT(0); -static DEFINE_SPINLOCK(ccids_lock); - -/* - * The strategy is: modifications ccids vector are short, do not sleep and - * veeery rare, but read access should be free of any exclusive locks. - */ -static void ccids_write_lock(void) -{ - spin_lock(&ccids_lock); - while (atomic_read(&ccids_lockct) != 0) { - spin_unlock(&ccids_lock); - yield(); - spin_lock(&ccids_lock); - } -} - -static inline void ccids_write_unlock(void) -{ - spin_unlock(&ccids_lock); -} - -static inline void ccids_read_lock(void) -{ - atomic_inc(&ccids_lockct); - smp_mb__after_atomic_inc(); - spin_unlock_wait(&ccids_lock); -} - -static inline void ccids_read_unlock(void) -{ - atomic_dec(&ccids_lockct); -} - -#else -#define ccids_write_lock() do { } while(0) -#define ccids_write_unlock() do { } while(0) -#define ccids_read_lock() do { } while(0) -#define ccids_read_unlock() do { } while(0) -#endif -#endif /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ - static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...) { struct kmem_cache *slab; @@ -158,49 +106,6 @@ static void ccid_kmem_cache_destroy(struct kmem_cache *slab) } } -#ifdef ___OLD_INTERFACE_TO_BE_REMOVED___ -/* check that up to @array_len members in @ccid_array are supported */ -bool ccid_support_check(u8 const *ccid_array, u8 array_len) -{ - u8 i, j, found; - - for (i = 0, found = 0; i < array_len; i++, found = 0) { - for (j = 0; !found && j < ARRAY_SIZE(builtin_ccids); j++) - found = (ccid_array[i] == builtin_ccids[j]); - if (!found) - return false; - } - return true; -} - -/** - * ccid_get_builtin_ccids - Provide copy of `builtin' CCID array - * @ccid_array: pointer to copy into - * @array_len: value to return length into - * This function allocates memory - caller must see that it is freed after use. - */ -int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len) -{ - *ccid_array = kmemdup(builtin_ccids, sizeof(builtin_ccids), gfp_any()); - if (*ccid_array == NULL) - return -ENOBUFS; - *array_len = ARRAY_SIZE(builtin_ccids); - return 0; -} - -int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, - char __user *optval, int __user *optlen) -{ - if (len < sizeof(builtin_ccids)) - return -EINVAL; - - if (put_user(sizeof(builtin_ccids), optlen) || - copy_to_user(optval, builtin_ccids, sizeof(builtin_ccids))) - return -EFAULT; - return 0; -} -#endif /* ___OLD_INTERFACE_TO_BE_REMOVED___ */ - static int ccid_activate(struct ccid_operations *ccid_ops) { int err = -ENOBUFS; @@ -241,7 +146,7 @@ static void ccid_deactivate(struct ccid_operations *ccid_ops) ccid_ops->ccid_id, ccid_ops->ccid_name); } -struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) +struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx) { struct ccid_operations *ccid_ops = ccid_by_number(id); struct ccid *ccid = NULL; @@ -250,7 +155,7 @@ struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp) goto out; ccid = kmem_cache_alloc(rx ? ccid_ops->ccid_hc_rx_slab : - ccid_ops->ccid_hc_tx_slab, gfp); + ccid_ops->ccid_hc_tx_slab, gfp_any()); if (ccid == NULL) goto out; ccid->ccid_ops = ccid_ops; @@ -274,41 +179,24 @@ out_free_ccid: goto out; } -EXPORT_SYMBOL_GPL(ccid_new); - -static void ccid_delete(struct ccid *ccid, struct sock *sk, int rx) -{ - struct ccid_operations *ccid_ops; - - if (ccid == NULL) - return; - - ccid_ops = ccid->ccid_ops; - if (rx) { - if (ccid_ops->ccid_hc_rx_exit != NULL) - ccid_ops->ccid_hc_rx_exit(sk); - kmem_cache_free(ccid_ops->ccid_hc_rx_slab, ccid); - } else { - if (ccid_ops->ccid_hc_tx_exit != NULL) - ccid_ops->ccid_hc_tx_exit(sk); - kmem_cache_free(ccid_ops->ccid_hc_tx_slab, ccid); - } -} - void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk) { - ccid_delete(ccid, sk, 1); + if (ccid != NULL) { + if (ccid->ccid_ops->ccid_hc_rx_exit != NULL) + ccid->ccid_ops->ccid_hc_rx_exit(sk); + kmem_cache_free(ccid->ccid_ops->ccid_hc_rx_slab, ccid); + } } -EXPORT_SYMBOL_GPL(ccid_hc_rx_delete); - void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk) { - ccid_delete(ccid, sk, 0); + if (ccid != NULL) { + if (ccid->ccid_ops->ccid_hc_tx_exit != NULL) + ccid->ccid_ops->ccid_hc_tx_exit(sk); + kmem_cache_free(ccid->ccid_ops->ccid_hc_tx_slab, ccid); + } } -EXPORT_SYMBOL_GPL(ccid_hc_tx_delete); - int __init ccid_initialize_builtins(void) { int i, err; diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h index 75c21c5..facedd2 100644 --- a/net/dccp/ccid.h +++ b/net/dccp/ccid.h @@ -111,8 +111,7 @@ extern int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len); extern int ccid_getsockopt_builtin_ccids(struct sock *sk, int len, char __user *, int __user *); -extern struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, - gfp_t gfp); +extern struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx); static inline int ccid_get_current_rx_ccid(struct dccp_sock *dp) { diff --git a/net/dccp/feat.c b/net/dccp/feat.c index 30f9fb7..741b2db 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -34,7 +34,7 @@ static int dccp_hdlr_ccid(struct sock *sk, u64 ccid, bool rx) { struct dccp_sock *dp = dccp_sk(sk); - struct ccid *new_ccid = ccid_new(ccid, sk, rx, gfp_any()); + struct ccid *new_ccid = ccid_new(ccid, sk, rx); if (new_ccid == NULL) return -ENOMEM; -- cgit v0.10.2 From 129fa44785a399248ae2466b6cb5c655e96668f7 Mon Sep 17 00:00:00 2001 From: Gerrit Renker Date: Sun, 4 Jan 2009 21:45:33 -0800 Subject: dccp: Integrate the TFRC library with DCCP This patch integrates the TFRC library, which is a dependency of CCID-3 (and CCID-4), with the new use of CCIDs in the DCCP module. Signed-off-by: Gerrit Renker Signed-off-by: David S. Miller diff --git a/net/dccp/Makefile b/net/dccp/Makefile index 5ff2e7b..2991efc 100644 --- a/net/dccp/Makefile +++ b/net/dccp/Makefile @@ -8,6 +8,10 @@ dccp-y := ccid.o feat.o input.o minisocks.o options.o output.o proto.o timer.o # CCID-2 is default (RFC 4340, p. 77) and has Ack Vectors as dependency dccp-y += ccids/ccid2.o ackvec.o dccp-$(CONFIG_IP_DCCP_CCID3) += ccids/ccid3.o +dccp-$(CONFIG_IP_DCCP_TFRC_LIB) += ccids/lib/tfrc.o \ + ccids/lib/tfrc_equation.o \ + ccids/lib/packet_history.o \ + ccids/lib/loss_interval.o dccp_ipv4-y := ipv4.o @@ -22,5 +26,3 @@ dccp-$(CONFIG_SYSCTL) += sysctl.o dccp_diag-y := diag.o dccp_probe-y := probe.o - -obj-y += ccids/ diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index 19b214a..f3e9ba1 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -12,6 +12,7 @@ */ #include "ccid.h" +#include "ccids/lib/tfrc.h" static struct ccid_operations *ccids[] = { &ccid2_ops, @@ -199,7 +200,10 @@ void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk) int __init ccid_initialize_builtins(void) { - int i, err; + int i, err = tfrc_lib_init(); + + if (err) + return err; for (i = 0; i < ARRAY_SIZE(ccids); i++) { err = ccid_activate(ccids[i]); @@ -211,6 +215,7 @@ int __init ccid_initialize_builtins(void) unwind_registrations: while(--i >= 0) ccid_deactivate(ccids[i]); + tfrc_lib_exit(); return err; } @@ -220,4 +225,5 @@ void ccid_cleanup_builtins(void) for (i = 0; i < ARRAY_SIZE(ccids); i++) ccid_deactivate(ccids[i]); + tfrc_lib_exit(); } diff --git a/net/dccp/ccids/Kconfig b/net/dccp/ccids/Kconfig index b30f049..b28bf96 100644 --- a/net/dccp/ccids/Kconfig +++ b/net/dccp/ccids/Kconfig @@ -14,7 +14,6 @@ config IP_DCCP_CCID2_DEBUG config IP_DCCP_CCID3 bool "CCID-3 (TCP-Friendly) (EXPERIMENTAL)" def_bool y if (IP_DCCP = y || IP_DCCP = m) - select IP_DCCP_TFRC_LIB ---help--- CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based rate-controlled congestion control mechanism. TFRC is designed to @@ -80,12 +79,8 @@ config IP_DCCP_CCID3_RTO therefore not be performed on WANs. config IP_DCCP_TFRC_LIB - tristate - default n + def_bool y if IP_DCCP_CCID3 config IP_DCCP_TFRC_DEBUG - bool - depends on IP_DCCP_TFRC_LIB - default y if IP_DCCP_CCID3_DEBUG - + def_bool y if IP_DCCP_CCID3_DEBUG endmenu diff --git a/net/dccp/ccids/Makefile b/net/dccp/ccids/Makefile deleted file mode 100644 index cdaefff..0000000 --- a/net/dccp/ccids/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-y += lib/ diff --git a/net/dccp/ccids/lib/Makefile b/net/dccp/ccids/lib/Makefile deleted file mode 100644 index 68c93e3..0000000 --- a/net/dccp/ccids/lib/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_IP_DCCP_TFRC_LIB) += dccp_tfrc_lib.o - -dccp_tfrc_lib-y := tfrc.o tfrc_equation.o packet_history.o loss_interval.o diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index 5b3ce06..4d1e401 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -60,7 +60,6 @@ void tfrc_lh_cleanup(struct tfrc_loss_hist *lh) lh->ring[LIH_INDEX(lh->counter)] = NULL; } } -EXPORT_SYMBOL_GPL(tfrc_lh_cleanup); static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh) { @@ -121,7 +120,6 @@ u8 tfrc_lh_update_i_mean(struct tfrc_loss_hist *lh, struct sk_buff *skb) return (lh->i_mean < old_i_mean); } -EXPORT_SYMBOL_GPL(tfrc_lh_update_i_mean); /* Determine if `new_loss' does begin a new loss interval [RFC 4342, 10.2] */ static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur, @@ -169,7 +167,6 @@ int tfrc_lh_interval_add(struct tfrc_loss_hist *lh, struct tfrc_rx_hist *rh, } return 1; } -EXPORT_SYMBOL_GPL(tfrc_lh_interval_add); int __init tfrc_li_init(void) { diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c index 6cc108a..b7785b3 100644 --- a/net/dccp/ccids/lib/packet_history.c +++ b/net/dccp/ccids/lib/packet_history.c @@ -94,7 +94,6 @@ int tfrc_tx_hist_add(struct tfrc_tx_hist_entry **headp, u64 seqno) *headp = entry; return 0; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_add); void tfrc_tx_hist_purge(struct tfrc_tx_hist_entry **headp) { @@ -109,7 +108,6 @@ void tfrc_tx_hist_purge(struct tfrc_tx_hist_entry **headp) *headp = NULL; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_purge); u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno, const ktime_t now) @@ -127,7 +125,6 @@ u32 tfrc_tx_hist_rtt(struct tfrc_tx_hist_entry *head, const u64 seqno, return rtt; } -EXPORT_SYMBOL_GPL(tfrc_tx_hist_rtt); /* @@ -172,7 +169,6 @@ void tfrc_rx_hist_add_packet(struct tfrc_rx_hist *h, tfrc_rx_hist_entry_from_skb(entry, skb, ndp); } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_add_packet); /* has the packet contained in skb been seen before? */ int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb) @@ -189,7 +185,6 @@ int tfrc_rx_hist_duplicate(struct tfrc_rx_hist *h, struct sk_buff *skb) return 0; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_duplicate); static void tfrc_rx_hist_swap(struct tfrc_rx_hist *h, const u8 a, const u8 b) { @@ -390,7 +385,6 @@ int tfrc_rx_handle_loss(struct tfrc_rx_hist *h, } return is_new_loss; } -EXPORT_SYMBOL_GPL(tfrc_rx_handle_loss); int tfrc_rx_hist_alloc(struct tfrc_rx_hist *h) { @@ -412,7 +406,6 @@ out_free: } return -ENOBUFS; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_alloc); void tfrc_rx_hist_purge(struct tfrc_rx_hist *h) { @@ -424,7 +417,6 @@ void tfrc_rx_hist_purge(struct tfrc_rx_hist *h) h->ring[i] = NULL; } } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_purge); /** * tfrc_rx_hist_rtt_last_s - reference entry to compute RTT samples against @@ -495,4 +487,3 @@ keep_ref_for_next_time: return sample; } -EXPORT_SYMBOL_GPL(tfrc_rx_hist_sample_rtt); diff --git a/net/dccp/ccids/lib/tfrc.c b/net/dccp/ccids/lib/tfrc.c index 1859162..60c412c 100644 --- a/net/dccp/ccids/lib/tfrc.c +++ b/net/dccp/ccids/lib/tfrc.c @@ -1,20 +1,18 @@ /* - * TFRC: main module holding the pieces of the TFRC library together + * TFRC library initialisation * * Copyright (c) 2007 The University of Aberdeen, Scotland, UK * Copyright (c) 2007 Arnaldo Carvalho de Melo */ -#include -#include #include "tfrc.h" #ifdef CONFIG_IP_DCCP_TFRC_DEBUG int tfrc_debug; module_param(tfrc_debug, bool, 0644); -MODULE_PARM_DESC(tfrc_debug, "Enable debug messages"); +MODULE_PARM_DESC(tfrc_debug, "Enable TFRC debug messages"); #endif -static int __init tfrc_module_init(void) +int __init tfrc_lib_init(void) { int rc = tfrc_li_init(); @@ -38,18 +36,9 @@ out: return rc; } -static void __exit tfrc_module_exit(void) +void __exit tfrc_lib_exit(void) { tfrc_rx_packet_history_exit(); tfrc_tx_packet_history_exit(); tfrc_li_exit(); } - -module_init(tfrc_module_init); -module_exit(tfrc_module_exit); - -MODULE_AUTHOR("Gerrit Renker , " - "Ian McDonald , " - "Arnaldo Carvalho de Melo "); -MODULE_DESCRIPTION("DCCP TFRC library"); -MODULE_LICENSE("GPL"); diff --git a/net/dccp/ccids/lib/tfrc.h b/net/dccp/ccids/lib/tfrc.h index ed98575..e9720b1 100644 --- a/net/dccp/ccids/lib/tfrc.h +++ b/net/dccp/ccids/lib/tfrc.h @@ -17,7 +17,8 @@ #include #include #include "../../dccp.h" -/* internal includes that this module exports: */ + +/* internal includes that this library exports: */ #include "loss_interval.h" #include "packet_history.h" @@ -66,4 +67,12 @@ extern void tfrc_rx_packet_history_exit(void); extern int tfrc_li_init(void); extern void tfrc_li_exit(void); + +#ifdef CONFIG_IP_DCCP_TFRC_LIB +extern int tfrc_lib_init(void); +extern void tfrc_lib_exit(void); +#else +#define tfrc_lib_init() (0) +#define tfrc_lib_exit() +#endif #endif /* _TFRC_H_ */ diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c index 2f20a29..c5d3a9e 100644 --- a/net/dccp/ccids/lib/tfrc_equation.c +++ b/net/dccp/ccids/lib/tfrc_equation.c @@ -659,8 +659,6 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p) return scaled_div32(result, f); } -EXPORT_SYMBOL_GPL(tfrc_calc_x); - /** * tfrc_calc_x_reverse_lookup - try to find p given f(p) * @@ -693,5 +691,3 @@ u32 tfrc_calc_x_reverse_lookup(u32 fvalue) index = tfrc_binsearch(fvalue, 0); return (index + 1) * 1000000 / TFRC_CALC_X_ARRSIZE; } - -EXPORT_SYMBOL_GPL(tfrc_calc_x_reverse_lookup); diff --git a/net/dccp/feat.c b/net/dccp/feat.c index 741b2db..4152308 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -1214,8 +1214,6 @@ const char *dccp_feat_typename(const u8 type) return NULL; } -EXPORT_SYMBOL_GPL(dccp_feat_typename); - const char *dccp_feat_name(const u8 feat) { static const char *feature_names[] = { @@ -1240,6 +1238,4 @@ const char *dccp_feat_name(const u8 feat) return feature_names[feat]; } - -EXPORT_SYMBOL_GPL(dccp_feat_name); #endif /* CONFIG_IP_DCCP_DEBUG */ diff --git a/net/dccp/input.c b/net/dccp/input.c index 5eb443f..7648f31 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -741,5 +741,3 @@ u32 dccp_sample_rtt(struct sock *sk, long delta) return delta; } - -EXPORT_SYMBOL_GPL(dccp_sample_rtt); -- cgit v0.10.2 From 761b602620b4627dbd8f1b0bd2896022dc168a6d Mon Sep 17 00:00:00 2001 From: Bastian Blank Date: Sun, 4 Jan 2009 23:03:10 -0800 Subject: sparc: Use 64BIT config entry Use 64BIT config entry to distinguish between 32 and 64bit builds instead of relying on the ARCH setting. Using sparc64 as ARCH still forces 64BIT on. Inspired by the x86 and s390 configs. [ Integrated CONFIG_64BIT help text suggestions from Sam -DaveM ] Signed-off-by: Bastian Blank Tested-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 002f7b4..de58c02 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -4,6 +4,17 @@ mainmenu "Linux/SPARC Kernel Configuration" +config 64BIT + bool "64-bit kernel" if ARCH = "sparc" + default ARCH = "sparc64" + help + SPARC is a family of RISC microprocessors designed and marketed by + Sun Microsystems, incorporated. They are very widely found in Sun + workstations and clones. + + Say yes to build a 64-bit kernel - formerly known as sparc64 + Say no to build a 32-bit kernel - formerly known as sparc + config SPARC bool default y @@ -15,22 +26,11 @@ config SPARC select RTC_CLASS select RTC_DRV_M48T59 -# Identify this as a Sparc32 build config SPARC32 - bool - default y if ARCH = "sparc" - help - SPARC is a family of RISC microprocessors designed and marketed by - Sun Microsystems, incorporated. They are very widely found in Sun - workstations and clones. This port covers the original 32-bit SPARC; - it is old and stable and usually considered one of the "big three" - along with the Intel and Alpha ports. The UltraLinux project - maintains both the SPARC32 and SPARC64 ports; its web page is - available at . + def_bool !64BIT config SPARC64 - bool - default y if ARCH = "sparc64" + def_bool 64BIT select ARCH_SUPPORTS_MSI select HAVE_FUNCTION_TRACER select HAVE_KRETPROBES @@ -53,9 +53,6 @@ config BITS default 32 if SPARC32 default 64 if SPARC64 -config 64BIT - def_bool y if SPARC64 - config GENERIC_TIME bool default y if SPARC64 -- cgit v0.10.2 From 192eee8ef535cfdbdd0c93390e34f27ad7c02084 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Sun, 4 Jan 2009 23:17:21 -0800 Subject: sparc: Kill asm/reg*.h As noticed by Sam Ravnborg, these aren't use for anything. Neither the kernel nor userland make a reference to this family of header files. So just get rid of them. Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/reg.h b/arch/sparc/include/asm/reg.h deleted file mode 100644 index 0c16e19..0000000 --- a/arch/sparc/include/asm/reg.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_REG_H -#define ___ASM_SPARC_REG_H -#if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif -#endif diff --git a/arch/sparc/include/asm/reg_32.h b/arch/sparc/include/asm/reg_32.h deleted file mode 100644 index 1efb056..0000000 --- a/arch/sparc/include/asm/reg_32.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * linux/include/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC_REG_H -#define __SPARC_REG_H - -struct regs { - int r_psr; -#define r_ps r_psr - int r_pc; - int r_npc; - int r_y; - int r_g1; - int r_g2; - int r_g3; - int r_g4; - int r_g5; - int r_g6; - int r_g7; - int r_o0; - int r_o1; - int r_o2; - int r_o3; - int r_o4; - int r_o5; - int r_o6; - int r_o7; -}; - -struct fpq { - unsigned long *addr; - unsigned long instr; -}; - -struct fq { - union { - double whole; - struct fpq fpq; - } FQu; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned - -struct fp_status { - union { - FPU_REGS_TYPE Fpu_regs[32]; - double Fpu_dregs[16]; - } fpu_fr; - FPU_FSR_TYPE Fpu_fsr; - unsigned Fpu_flags; - unsigned Fpu_extra; - unsigned Fpu_qcnt; - struct fq Fpu_q[16]; -}; - -#define fpu_regs f_fpstatus.fpu_fr.Fpu_regs -#define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs -#define fpu_fsr f_fpstatus.Fpu_fsr -#define fpu_flags f_fpstatus.Fpu_flags -#define fpu_extra f_fpstatus.Fpu_extra -#define fpu_q f_fpstatus.Fpu_q -#define fpu_qcnt f_fpstatus.Fpu_qcnt - -struct fpu { - struct fp_status f_fpstatus; -}; - -#endif /* __SPARC_REG_H */ diff --git a/arch/sparc/include/asm/reg_64.h b/arch/sparc/include/asm/reg_64.h deleted file mode 100644 index 6f277d7..0000000 --- a/arch/sparc/include/asm/reg_64.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC64_REG_H -#define __SPARC64_REG_H - -struct regs { - unsigned long r_g1; - unsigned long r_g2; - unsigned long r_g3; - unsigned long r_g4; - unsigned long r_g5; - unsigned long r_g6; - unsigned long r_g7; - unsigned long r_o0; - unsigned long r_o1; - unsigned long r_o2; - unsigned long r_o3; - unsigned long r_o4; - unsigned long r_o5; - unsigned long r_o6; - unsigned long r_o7; - unsigned long __pad; - unsigned long r_tstate; - unsigned long r_tpc; - unsigned long r_tnpc; - unsigned int r_y; - unsigned int r_fprs; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned long - -struct fp_status { - unsigned long fpu_fr[32]; - unsigned long Fpu_fsr; -}; - -struct fpu { - struct fp_status f_fpstatus; -}; - -#define fpu_regs f_fpstatus.fpu_fr -#define fpu_fsr f_fpstatus.Fpu_fsr - -#endif /* __SPARC64_REG_H */ -- cgit v0.10.2 From e9079cce201784632aed4b1a3121ee38c1ced0b6 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 14 Oct 2008 14:43:29 +0100 Subject: GFS2: Support for FIEMAP ioctl This patch implements the FIEMAP ioctl for GFS2. We can use the generic code (aside from a lock order issue, solved as per Ted Tso's suggestion) for which I've introduced a new variant of the generic function. We also have one exception to deal with, namely stuffed files, so we do that "by hand", setting all the required flags. This has been tested with a modified (I could only find an old version) of Eric's test program, and appears to work correctly. This patch does not currently support FIEMAP of xattrs, but the plan is to add that feature at some future point. Signed-off-by: Steven Whitehouse Cc: Theodore Tso Cc: Eric Sandeen diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index d232991..1e24b65 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include "gfs2.h" @@ -1212,6 +1213,48 @@ static int gfs2_removexattr(struct dentry *dentry, const char *name) return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er); } +static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, + u64 start, u64 len) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_holder gh; + int ret; + + ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC); + if (ret) + return ret; + + mutex_lock(&inode->i_mutex); + + ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh); + if (ret) + goto out; + + if (gfs2_is_stuffed(ip)) { + u64 phys = ip->i_no_addr << inode->i_blkbits; + u64 size = i_size_read(inode); + u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED| + FIEMAP_EXTENT_DATA_INLINE; + phys += sizeof(struct gfs2_dinode); + phys += start; + if (start + len > size) + len = size - start; + if (start < size) + ret = fiemap_fill_next_extent(fieinfo, start, phys, + len, flags); + if (ret == 1) + ret = 0; + } else { + ret = __generic_block_fiemap(inode, fieinfo, start, len, + gfs2_block_map); + } + + gfs2_glock_dq_uninit(&gh); +out: + mutex_unlock(&inode->i_mutex); + return ret; +} + const struct inode_operations gfs2_file_iops = { .permission = gfs2_permission, .setattr = gfs2_setattr, @@ -1220,6 +1263,7 @@ const struct inode_operations gfs2_file_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; const struct inode_operations gfs2_dir_iops = { @@ -1239,6 +1283,7 @@ const struct inode_operations gfs2_dir_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; const struct inode_operations gfs2_symlink_iops = { @@ -1251,5 +1296,6 @@ const struct inode_operations gfs2_symlink_iops = { .getxattr = gfs2_getxattr, .listxattr = gfs2_listxattr, .removexattr = gfs2_removexattr, + .fiemap = gfs2_fiemap, }; diff --git a/fs/ioctl.c b/fs/ioctl.c index 43e8b2c..cc3f1aa 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -231,7 +231,8 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) #define blk_to_logical(inode, blk) (blk << (inode)->i_blkbits) #define logical_to_blk(inode, offset) (offset >> (inode)->i_blkbits); -/* +/** + * __generic_block_fiemap - FIEMAP for block based inodes (no locking) * @inode - the inode to map * @arg - the pointer to userspace where we copy everything to * @get_block - the fs's get_block function @@ -242,11 +243,15 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg) * * If it is possible to have data blocks beyond a hole past @inode->i_size, then * please do not use this function, it will stop at the first unmapped block - * beyond i_size + * beyond i_size. + * + * If you use this function directly, you need to do your own locking. Use + * generic_block_fiemap if you want the locking done for you. */ -int generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, - u64 len, get_block_t *get_block) + +int __generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block) { struct buffer_head tmp; unsigned int start_blk; @@ -260,9 +265,6 @@ int generic_block_fiemap(struct inode *inode, start_blk = logical_to_blk(inode, start); - /* guard against change */ - mutex_lock(&inode->i_mutex); - length = (long long)min_t(u64, len, i_size_read(inode)); map_len = length; @@ -334,14 +336,36 @@ int generic_block_fiemap(struct inode *inode, cond_resched(); } while (1); - mutex_unlock(&inode->i_mutex); - /* if ret is 1 then we just hit the end of the extent array */ if (ret == 1) ret = 0; return ret; } +EXPORT_SYMBOL(__generic_block_fiemap); + +/** + * generic_block_fiemap - FIEMAP for block based inodes + * @inode: The inode to map + * @fieinfo: The mapping information + * @start: The initial block to map + * @len: The length of the extect to attempt to map + * @get_block: The block mapping function for the fs + * + * Calls __generic_block_fiemap to map the inode, after taking + * the inode's mutex lock. + */ + +int generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block) +{ + int ret; + mutex_lock(&inode->i_mutex); + ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block); + mutex_unlock(&inode->i_mutex); + return ret; +} EXPORT_SYMBOL(generic_block_fiemap); #endif /* CONFIG_BLOCK */ diff --git a/include/linux/fs.h b/include/linux/fs.h index f2a30101..e34bc69 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2059,6 +2059,9 @@ extern int vfs_fstat(unsigned int, struct kstat *); extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg); +extern int __generic_block_fiemap(struct inode *inode, + struct fiemap_extent_info *fieinfo, u64 start, + u64 len, get_block_t *get_block); extern int generic_block_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len, get_block_t *get_block); -- cgit v0.10.2 From b276058371f5c2ad92f9f27373a72b219ed580ed Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 14 Oct 2008 16:05:55 +0100 Subject: GFS2: Rationalise header files Move the contents of some headers which contained very little into more sensible places, and remove the original header files. This should make it easier to find things. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index d576168..bf4676d 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -32,7 +32,6 @@ #include "log.h" #include "meta_io.h" #include "ops_address.h" -#include "ops_inode.h" #include "quota.h" #include "rgrp.h" #include "trans.h" diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index 2d43f69..c357790 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -10,6 +10,7 @@ #ifndef __INODE_DOT_H__ #define __INODE_DOT_H__ +#include #include "util.h" static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) @@ -97,5 +98,15 @@ struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf); void gfs2_dinode_print(const struct gfs2_inode *ip); +extern const struct inode_operations gfs2_file_iops; +extern const struct inode_operations gfs2_dir_iops; +extern const struct inode_operations gfs2_symlink_iops; +extern const struct file_operations gfs2_file_fops; +extern const struct file_operations gfs2_dir_fops; +extern const struct file_operations gfs2_file_fops_nolock; +extern const struct file_operations gfs2_dir_fops_nolock; + +extern void gfs2_set_inode_flags(struct inode *inode); + #endif /* __INODE_DOT_H__ */ diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index bb2cc30..3eea03c 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -19,7 +19,7 @@ #include "gfs2.h" #include "incore.h" -#include "ops_fstype.h" +#include "super.h" #include "sys.h" #include "util.h" #include "glock.h" diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c index 4a5e676..c2ad363 100644 --- a/fs/gfs2/ops_dentry.c +++ b/fs/gfs2/ops_dentry.c @@ -19,7 +19,7 @@ #include "incore.h" #include "dir.h" #include "glock.h" -#include "ops_dentry.h" +#include "super.h" #include "util.h" #include "inode.h" diff --git a/fs/gfs2/ops_dentry.h b/fs/gfs2/ops_dentry.h deleted file mode 100644 index 5caa3db..0000000 --- a/fs/gfs2/ops_dentry.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_DENTRY_DOT_H__ -#define __OPS_DENTRY_DOT_H__ - -#include - -extern struct dentry_operations gfs2_dops; - -#endif /* __OPS_DENTRY_DOT_H__ */ diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c index bbb8c36..3a9b9b4 100644 --- a/fs/gfs2/ops_export.c +++ b/fs/gfs2/ops_export.c @@ -22,8 +22,7 @@ #include "glock.h" #include "glops.h" #include "inode.h" -#include "ops_dentry.h" -#include "ops_fstype.h" +#include "super.h" #include "rgrp.h" #include "util.h" diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 3a747f8..fcfaaef 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -39,7 +39,6 @@ #include "util.h" #include "eaops.h" #include "ops_address.h" -#include "ops_inode.h" /** * gfs2_llseek - seek to a location in a file diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index b117fcf..ca463a4 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -27,9 +27,6 @@ #include "glops.h" #include "inode.h" #include "mount.h" -#include "ops_fstype.h" -#include "ops_dentry.h" -#include "ops_super.h" #include "recovery.h" #include "rgrp.h" #include "super.h" diff --git a/fs/gfs2/ops_fstype.h b/fs/gfs2/ops_fstype.h deleted file mode 100644 index da84905..0000000 --- a/fs/gfs2/ops_fstype.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_FSTYPE_DOT_H__ -#define __OPS_FSTYPE_DOT_H__ - -#include - -extern struct file_system_type gfs2_fs_type; -extern struct file_system_type gfs2meta_fs_type; -extern const struct export_operations gfs2_export_ops; - -#endif /* __OPS_FSTYPE_DOT_H__ */ diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index 1e24b65..98440fe 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -32,12 +32,11 @@ #include "glock.h" #include "inode.h" #include "meta_io.h" -#include "ops_dentry.h" -#include "ops_inode.h" #include "quota.h" #include "rgrp.h" #include "trans.h" #include "util.h" +#include "super.h" /** * gfs2_create - Create a file diff --git a/fs/gfs2/ops_inode.h b/fs/gfs2/ops_inode.h deleted file mode 100644 index 14b4b79..0000000 --- a/fs/gfs2/ops_inode.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_INODE_DOT_H__ -#define __OPS_INODE_DOT_H__ - -#include - -extern const struct inode_operations gfs2_file_iops; -extern const struct inode_operations gfs2_dir_iops; -extern const struct inode_operations gfs2_symlink_iops; -extern const struct file_operations gfs2_file_fops; -extern const struct file_operations gfs2_dir_fops; -extern const struct file_operations gfs2_file_fops_nolock; -extern const struct file_operations gfs2_dir_fops_nolock; - -extern void gfs2_set_inode_flags(struct inode *inode); - -#endif /* __OPS_INODE_DOT_H__ */ diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index d5355d9..9c7678d 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -28,7 +28,6 @@ #include "inode.h" #include "log.h" #include "mount.h" -#include "ops_super.h" #include "quota.h" #include "recovery.h" #include "rgrp.h" diff --git a/fs/gfs2/ops_super.h b/fs/gfs2/ops_super.h deleted file mode 100644 index 442a274..0000000 --- a/fs/gfs2/ops_super.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __OPS_SUPER_DOT_H__ -#define __OPS_SUPER_DOT_H__ - -#include - -extern const struct super_operations gfs2_super_ops; - -#endif /* __OPS_SUPER_DOT_H__ */ diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 50a4c9b..1848dad 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -10,6 +10,8 @@ #ifndef __SUPER_DOT_H__ #define __SUPER_DOT_H__ +#include +#include #include "incore.h" void gfs2_lm_unmount(struct gfs2_sbd *sdp); @@ -46,5 +48,11 @@ int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); int gfs2_freeze_fs(struct gfs2_sbd *sdp); void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); +extern struct file_system_type gfs2_fs_type; +extern struct file_system_type gfs2meta_fs_type; +extern const struct export_operations gfs2_export_ops; +extern const struct super_operations gfs2_super_ops; +extern struct dentry_operations gfs2_dops; + #endif /* __SUPER_DOT_H__ */ -- cgit v0.10.2 From 1bb7322fd0d5abdce396de51cbc5dbc489523018 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 15 Oct 2008 09:46:39 +0100 Subject: GFS2: Fix up jdata writepage/delete_inode There is a bug in writepage and delete_inode which allows jdata files to invalidate pages from the address space without being in a transaction at the time. This causes problems in case the pages are in the journal. This patch fixes that case and prevents the resulting oops. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 15f710f..574b222 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -210,25 +210,23 @@ static int gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc { struct inode *inode = page->mapping->host; struct gfs2_sbd *sdp = GFS2_SB(inode); - int error; + int ret; int done_trans = 0; - error = gfs2_writepage_common(page, wbc); - if (error <= 0) - return error; - if (PageChecked(page)) { if (wbc->sync_mode != WB_SYNC_ALL) goto out_ignore; - error = gfs2_trans_begin(sdp, RES_DINODE + 1, 0); - if (error) + ret = gfs2_trans_begin(sdp, RES_DINODE + 1, 0); + if (ret) goto out_ignore; done_trans = 1; } - error = __gfs2_jdata_writepage(page, wbc); + ret = gfs2_writepage_common(page, wbc); + if (ret > 0) + ret = __gfs2_jdata_writepage(page, wbc); if (done_trans) gfs2_trans_end(sdp); - return error; + return ret; out_ignore: redirty_page_for_writepage(wbc, page); diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 9c7678d..2cb744b 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -493,7 +493,7 @@ static void gfs2_delete_inode(struct inode *inode) gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh); error = gfs2_glock_nq(&ip->i_iopen_gh); if (error) - goto out_uninit; + goto out_truncate; if (S_ISDIR(inode->i_mode) && (ip->i_di.di_flags & GFS2_DIF_EXHASH)) { @@ -518,6 +518,7 @@ static void gfs2_delete_inode(struct inode *inode) if (error) goto out_unlock; +out_truncate: error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) goto out_unlock; @@ -526,8 +527,8 @@ static void gfs2_delete_inode(struct inode *inode) gfs2_trans_end(sdp); out_unlock: - gfs2_glock_dq(&ip->i_iopen_gh); -out_uninit: + if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags)) + gfs2_glock_dq(&ip->i_iopen_gh); gfs2_holder_uninit(&ip->i_iopen_gh); gfs2_glock_dq_uninit(&gh); if (error && error != GLR_TRYFAILED) -- cgit v0.10.2 From 55ba474daed9763b2f6fe26ad762ee373554d65e Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Fri, 24 Oct 2008 11:31:12 -0700 Subject: GFS2: sparse annotation of gl->gl_spin fs/gfs2/glock.c:308:5: warning: context problem in 'do_promote': '_spin_unlock' expected different context fs/gfs2/glock.c:308:5: context '*gl+28': wanted >= 1, got 0 fs/gfs2/glock.c:529:2: warning: context problem in 'do_xmote': '_spin_unlock' expected different context fs/gfs2/glock.c:529:2: context '*gl+28': wanted >= 1, got 0 fs/gfs2/glock.c:925:3: warning: context problem in 'add_to_queue': '_spin_unlock' expected different context fs/gfs2/glock.c:925:3: context '*gl+28': wanted >= 1, got 0 Signed-off-by: Harvey Harrison Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index c962283..27cb9cc 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -293,6 +293,8 @@ static void gfs2_holder_wake(struct gfs2_holder *gh) */ static int do_promote(struct gfs2_glock *gl) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_holder *gh, *tmp; @@ -511,6 +513,8 @@ static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock, */ static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_sbd *sdp = gl->gl_sbd; @@ -576,6 +580,8 @@ static inline struct gfs2_holder *find_first_holder(const struct gfs2_glock *gl) */ static void run_queue(struct gfs2_glock *gl, const int nonblock) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { struct gfs2_holder *gh = NULL; @@ -877,6 +883,8 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...) */ static inline void add_to_queue(struct gfs2_holder *gh) +__releases(&gl->gl_spin) +__acquires(&gl->gl_spin) { struct gfs2_glock *gl = gh->gh_gl; struct gfs2_sbd *sdp = gl->gl_sbd; -- cgit v0.10.2 From bcf0b5b348a1f49c2c878ffdb78e68c930baabb8 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 3 Nov 2008 13:39:46 +0000 Subject: GFS2: Move generation number into "proper" part of inode This moves the generation number from the gfs2_dinode_host into the gfs2_inode structure. Eventually the plan is to get rid of the gfs2_dinode_host structure completely. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index f566ec1..4ff1d7e 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -235,7 +235,6 @@ enum { struct gfs2_dinode_host { u64 di_size; /* number of bytes in file */ - u64 di_generation; /* generation number for NFS */ u32 di_flags; /* GFS2_DIF_... */ /* These only apply to directories */ u32 di_entries; /* The number of entries in the directory */ @@ -246,6 +245,7 @@ struct gfs2_inode { struct inode i_inode; u64 i_no_addr; u64 i_no_formal_ino; + u64 i_generation; unsigned long i_flags; /* GIF_... */ struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index bf4676d..9d97f69 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -286,7 +286,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); ip->i_goal = be64_to_cpu(str->di_goal_meta); - di->di_generation = be64_to_cpu(str->di_generation); + ip->i_generation = be64_to_cpu(str->di_generation); di->di_flags = be32_to_cpu(str->di_flags); gfs2_set_inode_flags(&ip->i_inode); @@ -1263,7 +1263,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_goal_meta = cpu_to_be64(ip->i_goal); str->di_goal_data = cpu_to_be64(ip->i_goal); - str->di_generation = cpu_to_be64(di->di_generation); + str->di_generation = cpu_to_be64(ip->i_generation); str->di_flags = cpu_to_be32(di->di_flags); str->di_height = cpu_to_be16(ip->i_height); -- cgit v0.10.2 From ad6203f2b46c2217f74b2e88299640eef5889e72 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 3 Nov 2008 13:59:19 +0000 Subject: GFS2: Move "entries" into "proper" inode This moves the directory entry count into the proper inode. Potentially we could get this to share the space used by something else in the future, but this is one more step on the way to removing the gfs2_dinode_host structure. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index eed040d..830cf48 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -858,8 +858,8 @@ static int dir_make_exhash(struct inode *inode) return -ENOSPC; bn = bh->b_blocknr; - gfs2_assert(sdp, dip->i_di.di_entries < (1 << 16)); - leaf->lf_entries = cpu_to_be16(dip->i_di.di_entries); + gfs2_assert(sdp, dip->i_entries < (1 << 16)); + leaf->lf_entries = cpu_to_be16(dip->i_entries); /* Copy dirents */ @@ -1426,7 +1426,7 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, int copied = 0; int error; - if (!dip->i_di.di_entries) + if (!dip->i_entries) return 0; if (dip->i_di.di_flags & GFS2_DIF_EXHASH) @@ -1453,17 +1453,17 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, error = PTR_ERR(dent); goto out; } - if (dip->i_di.di_entries != g.offset) { + if (dip->i_entries != g.offset) { fs_warn(sdp, "Number of entries corrupt in dir %llu, " - "ip->i_di.di_entries (%u) != g.offset (%u)\n", + "ip->i_entries (%u) != g.offset (%u)\n", (unsigned long long)dip->i_no_addr, - dip->i_di.di_entries, + dip->i_entries, g.offset); error = -EIO; goto out; } error = do_filldir_main(dip, offset, opaque, filldir, darr, - dip->i_di.di_entries, &copied); + dip->i_entries, &copied); out: kfree(darr); } @@ -1621,7 +1621,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, if (error) break; gfs2_trans_add_bh(ip->i_gl, bh, 1); - ip->i_di.di_entries++; + ip->i_entries++; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(ip, bh->b_data); brelse(bh); @@ -1704,10 +1704,10 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) if (error) return error; - if (!dip->i_di.di_entries) + if (!dip->i_entries) gfs2_consist_inode(dip); gfs2_trans_add_bh(dip->i_gl, bh, 1); - dip->i_di.di_entries--; + dip->i_entries--; dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(dip, bh->b_data); brelse(bh); diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 4ff1d7e..15ca3a7 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -236,8 +236,6 @@ enum { struct gfs2_dinode_host { u64 di_size; /* number of bytes in file */ u32 di_flags; /* GFS2_DIF_... */ - /* These only apply to directories */ - u32 di_entries; /* The number of entries in the directory */ u64 di_eattr; /* extended attribute block number */ }; @@ -256,6 +254,7 @@ struct gfs2_inode { struct gfs2_alloc *i_alloc; u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; + u32 i_entries; u8 i_height; u8 i_depth; }; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 9d97f69..015d4c0 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -299,7 +299,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) goto corrupt; ip->i_depth = (u8)depth; - di->di_entries = be32_to_cpu(str->di_entries); + ip->i_entries = be32_to_cpu(str->di_entries); di->di_eattr = be64_to_cpu(str->di_eattr); if (S_ISREG(ip->i_inode.i_mode)) @@ -689,7 +689,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, return error; } - if (dip->i_di.di_entries == (u32)-1) + if (dip->i_entries == (u32)-1) return -EFBIG; if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) return -EMLINK; @@ -1067,7 +1067,7 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, struct qstr dotname; int error; - if (ip->i_di.di_entries != 2) { + if (ip->i_entries != 2) { if (gfs2_consist_inode(ip)) gfs2_dinode_print(ip); return -EIO; @@ -1271,7 +1271,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ? GFS2_FORMAT_DE : 0); str->di_depth = cpu_to_be16(ip->i_depth); - str->di_entries = cpu_to_be32(di->di_entries); + str->di_entries = cpu_to_be32(ip->i_entries); str->di_eattr = cpu_to_be64(di->di_eattr); str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); @@ -1295,7 +1295,7 @@ void gfs2_dinode_print(const struct gfs2_inode *ip) printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags); printk(KERN_INFO " i_height = %u\n", ip->i_height); printk(KERN_INFO " i_depth = %u\n", ip->i_depth); - printk(KERN_INFO " di_entries = %u\n", di->di_entries); + printk(KERN_INFO " i_entries = %u\n", ip->i_entries); printk(KERN_INFO " di_eattr = %llu\n", (unsigned long long)di->di_eattr); } diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index 98440fe..48468f4 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -185,7 +185,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (!dip->i_inode.i_nlink) goto out_gunlock; error = -EFBIG; - if (dip->i_di.di_entries == (u32)-1) + if (dip->i_entries == (u32)-1) goto out_gunlock; error = -EPERM; if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) @@ -427,7 +427,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) ip->i_inode.i_nlink = 2; ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); ip->i_di.di_flags |= GFS2_DIF_JDATA; - ip->i_di.di_entries = 2; + ip->i_entries = 2; error = gfs2_meta_inode_buffer(ip, &dibh); @@ -517,13 +517,13 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) if (error) goto out_gunlock; - if (ip->i_di.di_entries < 2) { + if (ip->i_entries < 2) { if (gfs2_consist_inode(ip)) gfs2_dinode_print(ip); error = -EIO; goto out_gunlock; } - if (ip->i_di.di_entries > 2) { + if (ip->i_entries > 2) { error = -ENOTEMPTY; goto out_gunlock; } @@ -726,13 +726,13 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, goto out_gunlock; if (S_ISDIR(nip->i_inode.i_mode)) { - if (nip->i_di.di_entries < 2) { + if (nip->i_entries < 2) { if (gfs2_consist_inode(nip)) gfs2_dinode_print(nip); error = -EIO; goto out_gunlock; } - if (nip->i_di.di_entries > 2) { + if (nip->i_entries > 2) { error = -ENOTEMPTY; goto out_gunlock; } @@ -758,7 +758,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, error = -EINVAL; goto out_gunlock; } - if (ndip->i_di.di_entries == (u32)-1) { + if (ndip->i_entries == (u32)-1) { error = -EFBIG; goto out_gunlock; } -- cgit v0.10.2 From 3767ac21f471fe669a7d9f6abef682ddac8fc3d8 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 3 Nov 2008 14:28:42 +0000 Subject: GFS2: Move di_eattr into "proper" inode This moves the di_eattr field out of gfs2_inode_host and into the inode proper. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 3e9bd46..e335dce 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -91,7 +91,7 @@ static int acl_get(struct gfs2_inode *ip, int access, struct posix_acl **acl, struct gfs2_ea_location el_this; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return 0; memset(&er, 0, sizeof(struct gfs2_ea_request)); diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c index e3f76f4..1c1e061 100644 --- a/fs/gfs2/eattr.c +++ b/fs/gfs2/eattr.c @@ -114,7 +114,7 @@ static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data) __be64 *eablk, *end; int error; - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &bh); + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &bh); if (error) return error; @@ -414,7 +414,7 @@ int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er) if (error) return error; - if (ip->i_di.di_eattr) { + if (ip->i_eattr) { struct ea_list ei = { .ei_er = er, .ei_size = 0 }; error = ea_foreach(ip, ea_list_i, &ei); @@ -514,7 +514,7 @@ int gfs2_ea_get_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return -ENODATA; error = gfs2_ea_find(ip, er, &el); @@ -741,7 +741,7 @@ static int ea_init_i(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) return error; - ip->i_di.di_eattr = bh->b_blocknr; + ip->i_eattr = bh->b_blocknr; error = ea_write(ip, GFS2_EA_BH2FIRST(bh), er); brelse(bh); @@ -938,7 +938,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { __be64 *end; - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh); if (error) return error; @@ -972,8 +972,8 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, gfs2_buffer_clear_tail(indbh, mh_size); eablk = (__be64 *)(indbh->b_data + mh_size); - *eablk = cpu_to_be64(ip->i_di.di_eattr); - ip->i_di.di_eattr = blk; + *eablk = cpu_to_be64(ip->i_eattr); + ip->i_eattr = blk; ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT; gfs2_add_inode_blocks(&ip->i_inode, 1); @@ -1040,7 +1040,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) { + if (!ip->i_eattr) { if (er->er_flags & XATTR_REPLACE) return -ENODATA; return ea_init(ip, er); @@ -1145,7 +1145,7 @@ int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) struct gfs2_ea_location el; int error; - if (!ip->i_di.di_eattr) + if (!ip->i_eattr) return -ENODATA; error = gfs2_ea_find(ip, er, &el); @@ -1309,7 +1309,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) memset(&rlist, 0, sizeof(struct gfs2_rgrp_list)); - error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &indbh); + error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh); if (error) return error; @@ -1416,7 +1416,7 @@ static int ea_dealloc_block(struct gfs2_inode *ip) struct buffer_head *dibh; int error; - rgd = gfs2_blk2rgrpd(sdp, ip->i_di.di_eattr); + rgd = gfs2_blk2rgrpd(sdp, ip->i_eattr); if (!rgd) { gfs2_consist_inode(ip); return -EIO; @@ -1432,9 +1432,9 @@ static int ea_dealloc_block(struct gfs2_inode *ip) if (error) goto out_gunlock; - gfs2_free_meta(ip, ip->i_di.di_eattr, 1); + gfs2_free_meta(ip, ip->i_eattr, 1); - ip->i_di.di_eattr = 0; + ip->i_eattr = 0; gfs2_add_inode_blocks(&ip->i_inode, -1); error = gfs2_meta_inode_buffer(ip, &dibh); diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 15ca3a7..fb2fd4a 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -236,7 +236,6 @@ enum { struct gfs2_dinode_host { u64 di_size; /* number of bytes in file */ u32 di_flags; /* GFS2_DIF_... */ - u64 di_eattr; /* extended attribute block number */ }; struct gfs2_inode { @@ -244,6 +243,7 @@ struct gfs2_inode { u64 i_no_addr; u64 i_no_formal_ino; u64 i_generation; + u64 i_eattr; unsigned long i_flags; /* GIF_... */ struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 015d4c0..91735b8 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -301,7 +301,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_depth = (u8)depth; ip->i_entries = be32_to_cpu(str->di_entries); - di->di_eattr = be64_to_cpu(str->di_eattr); + ip->i_eattr = be64_to_cpu(str->di_eattr); if (S_ISREG(ip->i_inode.i_mode)) gfs2_set_aops(&ip->i_inode); @@ -1273,7 +1273,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_depth = cpu_to_be16(ip->i_depth); str->di_entries = cpu_to_be32(ip->i_entries); - str->di_eattr = cpu_to_be64(di->di_eattr); + str->di_eattr = cpu_to_be64(ip->i_eattr); str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec); str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec); @@ -1296,7 +1296,7 @@ void gfs2_dinode_print(const struct gfs2_inode *ip) printk(KERN_INFO " i_height = %u\n", ip->i_height); printk(KERN_INFO " i_depth = %u\n", ip->i_depth); printk(KERN_INFO " i_entries = %u\n", ip->i_entries); - printk(KERN_INFO " di_eattr = %llu\n", - (unsigned long long)di->di_eattr); + printk(KERN_INFO " i_eattr = %llu\n", + (unsigned long long)ip->i_eattr); } diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 2cb744b..aee6cba 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -502,7 +502,7 @@ static void gfs2_delete_inode(struct inode *inode) goto out_unlock; } - if (ip->i_di.di_eattr) { + if (ip->i_eattr) { error = gfs2_ea_dealloc(ip); if (error) goto out_unlock; -- cgit v0.10.2 From c9e98886776386f1f7828d9685e78cd341849867 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 4 Nov 2008 09:47:33 +0000 Subject: GFS2: Move i_size from gfs2_dinode_host and rename it to i_disksize This patch moved the i_size field from the gfs2_dinode_host and following the ext3 convention renames it i_disksize. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index bec76b1..b43aee7 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -75,9 +75,9 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh, void *kaddr = kmap(page); memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), - ip->i_di.di_size); - memset(kaddr + ip->i_di.di_size, 0, - PAGE_CACHE_SIZE - ip->i_di.di_size); + ip->i_disksize); + memset(kaddr + ip->i_disksize, 0, + PAGE_CACHE_SIZE - ip->i_disksize); kunmap(page); SetPageUptodate(page); @@ -132,7 +132,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) if (error) goto out; - if (ip->i_di.di_size) { + if (ip->i_disksize) { /* Get a free block, fill it with the stuffed data, and write it out to disk */ @@ -159,7 +159,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) di = (struct gfs2_dinode *)dibh->b_data; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); - if (ip->i_di.di_size) { + if (ip->i_disksize) { *(__be64 *)(di + 1) = cpu_to_be64(block); gfs2_add_inode_blocks(&ip->i_inode, 1); di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); @@ -926,7 +926,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size) } } - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); @@ -1033,7 +1033,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) goto out; if (gfs2_is_stuffed(ip)) { - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); @@ -1045,7 +1045,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) error = gfs2_block_truncate_page(ip->i_inode.i_mapping); if (!error) { - ip->i_di.di_size = size; + ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); @@ -1114,7 +1114,7 @@ static int trunc_end(struct gfs2_inode *ip) if (error) goto out; - if (!ip->i_di.di_size) { + if (!ip->i_disksize) { ip->i_height = 0; ip->i_goal = ip->i_no_addr; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); @@ -1205,9 +1205,9 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size) if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode))) return -EINVAL; - if (size > ip->i_di.di_size) + if (size > ip->i_disksize) error = do_grow(ip, size); - else if (size < ip->i_di.di_size) + else if (size < ip->i_disksize) error = do_shrink(ip, size); else /* update time stamps */ @@ -1219,7 +1219,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size) int gfs2_truncatei_resume(struct gfs2_inode *ip) { int error; - error = trunc_dealloc(ip, ip->i_di.di_size); + error = trunc_dealloc(ip, ip->i_disksize); if (!error) error = trunc_end(ip); return error; @@ -1298,7 +1298,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, lblock_stop = offset + len + bsize - 1; do_div(lblock_stop, bsize); } else { - u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift; + u64 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift; lblock = offset >> shift; lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; if (lblock_stop > end_of_file) diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 830cf48..d8d8232 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -128,8 +128,8 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf, gfs2_trans_add_bh(ip->i_gl, dibh, 1); memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size); - if (ip->i_di.di_size < offset + size) - ip->i_di.di_size = offset + size; + if (ip->i_disksize < offset + size) + ip->i_disksize = offset + size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_dinode_out(ip, dibh->b_data); @@ -226,8 +226,8 @@ out: if (error) return error; - if (ip->i_di.di_size < offset + copied) - ip->i_di.di_size = offset + copied; + if (ip->i_disksize < offset + copied) + ip->i_disksize = offset + copied; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; gfs2_trans_add_bh(ip->i_gl, dibh, 1); @@ -277,11 +277,11 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset, int copied = 0; int error = 0; - if (offset >= ip->i_di.di_size) + if (offset >= ip->i_disksize) return 0; - if (offset + size > ip->i_di.di_size) - size = ip->i_di.di_size - offset; + if (offset + size > ip->i_disksize) + size = ip->i_disksize - offset; if (!size) return 0; @@ -760,7 +760,7 @@ static struct gfs2_dirent *gfs2_dirent_search(struct inode *inode, unsigned hsize = 1 << ip->i_depth; unsigned index; u64 ln; - if (hsize * sizeof(u64) != ip->i_di.di_size) { + if (hsize * sizeof(u64) != ip->i_disksize) { gfs2_consist_inode(ip); return ERR_PTR(-EIO); } @@ -905,7 +905,7 @@ static int dir_make_exhash(struct inode *inode) for (x = sdp->sd_hash_ptrs; x--; lp++) *lp = cpu_to_be64(bn); - dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2; + dip->i_disksize = sdp->sd_sb.sb_bsize / 2; gfs2_add_inode_blocks(&dip->i_inode, 1); dip->i_di.di_flags |= GFS2_DIF_EXHASH; @@ -1082,7 +1082,7 @@ static int dir_double_exhash(struct gfs2_inode *dip) int error = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } @@ -1091,7 +1091,7 @@ static int dir_double_exhash(struct gfs2_inode *dip) buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL); - for (block = dip->i_di.di_size >> sdp->sd_hash_bsize_shift; block--;) { + for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) { error = gfs2_dir_read_data(dip, (char *)buf, block * sdp->sd_hash_bsize, sdp->sd_hash_bsize, 1); @@ -1370,7 +1370,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, unsigned depth = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } @@ -1784,7 +1784,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data) int error = 0; hsize = 1 << dip->i_depth; - if (hsize * sizeof(u64) != dip->i_di.di_size) { + if (hsize * sizeof(u64) != dip->i_disksize) { gfs2_consist_inode(dip); return -EIO; } diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index fb2fd4a..4596cd2 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -234,7 +234,6 @@ enum { }; struct gfs2_dinode_host { - u64 di_size; /* number of bytes in file */ u32 di_flags; /* GFS2_DIF_... */ }; @@ -244,6 +243,7 @@ struct gfs2_inode { u64 i_no_formal_ino; u64 i_generation; u64 i_eattr; + loff_t i_disksize; unsigned long i_flags; /* GIF_... */ struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 91735b8..baf8b24 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -273,8 +273,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) * to do that. */ ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); - di->di_size = be64_to_cpu(str->di_size); - i_size_write(&ip->i_inode, di->di_size); + ip->i_disksize = be64_to_cpu(str->di_size); + i_size_write(&ip->i_inode, ip->i_disksize); gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); atime.tv_sec = be64_to_cpu(str->di_atime); atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); @@ -1167,7 +1167,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len) return error; } - if (!ip->i_di.di_size) { + if (!ip->i_disksize) { gfs2_consist_inode(ip); error = -EIO; goto out; @@ -1177,7 +1177,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len) if (error) goto out; - x = ip->i_di.di_size + 1; + x = ip->i_disksize + 1; if (x > *len) { *buf = kmalloc(x, GFP_NOFS); if (!*buf) { @@ -1255,7 +1255,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_uid = cpu_to_be32(ip->i_inode.i_uid); str->di_gid = cpu_to_be32(ip->i_inode.i_gid); str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); - str->di_size = cpu_to_be64(di->di_size); + str->di_size = cpu_to_be64(ip->i_disksize); str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); @@ -1287,7 +1287,8 @@ void gfs2_dinode_print(const struct gfs2_inode *ip) (unsigned long long)ip->i_no_formal_ino); printk(KERN_INFO " no_addr = %llu\n", (unsigned long long)ip->i_no_addr); - printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size); + printk(KERN_INFO " i_disksize = %llu\n", + (unsigned long long)ip->i_disksize); printk(KERN_INFO " blocks = %llu\n", (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); printk(KERN_INFO " i_goal = %llu\n", diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 574b222..0df560f 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -451,8 +451,8 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) kaddr = kmap_atomic(page, KM_USER0); memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), - ip->i_di.di_size); - memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size); + ip->i_disksize); + memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize); kunmap_atomic(kaddr, KM_USER0); flush_dcache_page(page); brelse(dibh); @@ -780,7 +780,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh, if (inode->i_size < to) { i_size_write(inode, to); - ip->i_di.di_size = inode->i_size; + ip->i_disksize = inode->i_size; di->di_size = cpu_to_be64(inode->i_size); mark_inode_dirty(inode); } @@ -845,9 +845,9 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping, ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); - if (likely(ret >= 0) && (inode->i_size > ip->i_di.di_size)) { + if (likely(ret >= 0) && (inode->i_size > ip->i_disksize)) { di = (struct gfs2_dinode *)dibh->b_data; - ip->i_di.di_size = inode->i_size; + ip->i_disksize = inode->i_size; di->di_size = cpu_to_be64(inode->i_size); mark_inode_dirty(inode); } diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index fcfaaef..d7e649e 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -478,7 +478,7 @@ static int gfs2_open(struct inode *inode, struct file *file) goto fail; if (!(file->f_flags & O_LARGEFILE) && - ip->i_di.di_size > MAX_NON_LFS) { + ip->i_disksize > MAX_NON_LFS) { error = -EOVERFLOW; goto fail_gunlock; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index ca463a4..dd83e83 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -617,7 +617,7 @@ static int map_journal_extents(struct gfs2_sbd *sdp) prev_db = 0; - for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) { + for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) { bh.b_state = 0; bh.b_blocknr = 0; bh.b_size = 1 << ip->i_inode.i_blkbits; diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index 48468f4..b932d72 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -371,7 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry, ip = ghs[1].gh_gl->gl_object; - ip->i_di.di_size = size; + ip->i_disksize = size; error = gfs2_meta_inode_buffer(ip, &dibh); @@ -425,7 +425,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) ip = ghs[1].gh_gl->gl_object; ip->i_inode.i_nlink = 2; - ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); + ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); ip->i_di.di_flags |= GFS2_DIF_JDATA; ip->i_entries = 2; @@ -990,7 +990,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr) struct gfs2_sbd *sdp = GFS2_SB(inode); int error; - if (attr->ia_size != ip->i_di.di_size) { + if (attr->ia_size != ip->i_disksize) { error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks); if (error) return error; @@ -1001,8 +1001,8 @@ static int setattr_size(struct inode *inode, struct iattr *attr) } error = gfs2_truncatei(ip, attr->ia_size); - if (error && (inode->i_size != ip->i_di.di_size)) - i_size_write(inode, ip->i_di.di_size); + if (error && (inode->i_size != ip->i_disksize)) + i_size_write(inode, ip->i_disksize); return error; } diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 3e073f5..188d0a2 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1100,15 +1100,15 @@ static void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void * int gfs2_quota_init(struct gfs2_sbd *sdp) { struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode); - unsigned int blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; + unsigned int blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; unsigned int x, slot = 0; unsigned int found = 0; u64 dblock; u32 extlen = 0; int error; - if (!ip->i_di.di_size || ip->i_di.di_size > (64 << 20) || - ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1)) { + if (!ip->i_disksize || ip->i_disksize > (64 << 20) || + ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) { gfs2_consist_inode(ip); return -EIO; } diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 2d90fb2..bdad0df 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -501,7 +501,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp) for (rgrps = 0;; rgrps++) { loff_t pos = rgrps * sizeof(struct gfs2_rindex); - if (pos + sizeof(struct gfs2_rindex) >= ip->i_di.di_size) + if (pos + sizeof(struct gfs2_rindex) >= ip->i_disksize) break; error = gfs2_internal_read(ip, &ra_state, buf, &pos, sizeof(struct gfs2_rindex)); @@ -590,7 +590,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip) struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct inode *inode = &ip->i_inode; struct file_ra_state ra_state; - u64 rgrp_count = ip->i_di.di_size; + u64 rgrp_count = ip->i_disksize; int error; if (do_div(rgrp_count, sizeof(struct gfs2_rindex))) { @@ -634,7 +634,7 @@ static int gfs2_ri_update_special(struct gfs2_inode *ip) for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) { /* Ignore partials */ if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) > - ip->i_di.di_size) + ip->i_disksize) break; error = read_rindex_entry(ip, &ra_state); if (error) { diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index c3ba3d9..f5cef2a 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -206,14 +206,14 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd) int ar; int error; - if (ip->i_di.di_size < (8 << 20) || ip->i_di.di_size > (1 << 30) || - (ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1))) { + if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) || + (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) { gfs2_consist_inode(ip); return -EIO; } - jd->jd_blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; + jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; - error = gfs2_write_alloc_required(ip, 0, ip->i_di.di_size, &ar); + error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar); if (!error && ar) { gfs2_consist_inode(ip); error = -EIO; -- cgit v0.10.2 From 383f01fbf4a701b73f5e35ea805ed1700b4b4db9 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 4 Nov 2008 10:05:22 +0000 Subject: GFS2: Banish struct gfs2_dinode_host The final field in gfs2_dinode_host was the i_flags field. Thats renamed to i_diskflags in order to avoid confusion with the existing inode flags, and moved into the inode proper at a suitable location to avoid creating a "hole". At that point struct gfs2_dinode_host is no longer needed and as promised (quite some time ago!) it can now be removed completely. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index b43aee7..789f28c 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1047,7 +1047,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) if (!error) { ip->i_disksize = size; ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; - ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG; + ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); } @@ -1120,7 +1120,7 @@ static int trunc_end(struct gfs2_inode *ip) gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); } ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; - ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG; + ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); gfs2_dinode_out(ip, dibh->b_data); diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index d8d8232..b7c8e5c 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -36,7 +36,7 @@ * the block. In leaves, they begin at offset sizeof(struct gfs2_leaf) from the * beginning of the leaf block. The dirents reside in leaves when * - * dip->i_di.di_flags & GFS2_DIF_EXHASH is true + * dip->i_diskflags & GFS2_DIF_EXHASH is true * * Otherwise, the dirents are "linear", within a single stuffed dinode block. * @@ -755,7 +755,7 @@ static struct gfs2_dirent *gfs2_dirent_search(struct inode *inode, struct gfs2_inode *ip = GFS2_I(inode); int error; - if (ip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (ip->i_diskflags & GFS2_DIF_EXHASH) { struct gfs2_leaf *leaf; unsigned hsize = 1 << ip->i_depth; unsigned index; @@ -907,7 +907,7 @@ static int dir_make_exhash(struct inode *inode) dip->i_disksize = sdp->sd_sb.sb_bsize / 2; gfs2_add_inode_blocks(&dip->i_inode, 1); - dip->i_di.di_flags |= GFS2_DIF_EXHASH; + dip->i_diskflags |= GFS2_DIF_EXHASH; for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ; dip->i_depth = y; @@ -1429,7 +1429,7 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque, if (!dip->i_entries) return 0; - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) + if (dip->i_diskflags & GFS2_DIF_EXHASH) return dir_e_read(inode, offset, opaque, filldir); if (!gfs2_is_stuffed(dip)) { @@ -1612,7 +1612,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, dent = gfs2_init_dirent(inode, dent, name, bh); gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(type); - if (ip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (ip->i_diskflags & GFS2_DIF_EXHASH) { leaf = (struct gfs2_leaf *)bh->b_data; be16_add_cpu(&leaf->lf_entries, 1); } @@ -1628,7 +1628,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, error = 0; break; } - if (!(ip->i_di.di_flags & GFS2_DIF_EXHASH)) { + if (!(ip->i_diskflags & GFS2_DIF_EXHASH)) { error = dir_make_exhash(inode); if (error) break; @@ -1691,7 +1691,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) } dirent_del(dip, bh, prev, dent); - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (dip->i_diskflags & GFS2_DIF_EXHASH) { struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data; u16 entries = be16_to_cpu(leaf->lf_entries); if (!entries) @@ -1748,7 +1748,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(new_type); - if (dip->i_di.di_flags & GFS2_DIF_EXHASH) { + if (dip->i_diskflags & GFS2_DIF_EXHASH) { brelse(bh); error = gfs2_meta_inode_buffer(dip, &bh); if (error) diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c index 1c1e061..0d1c76d 100644 --- a/fs/gfs2/eattr.c +++ b/fs/gfs2/eattr.c @@ -118,7 +118,7 @@ static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data) if (error) return error; - if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) { + if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) { error = ea_foreach_i(ip, bh, ea_call, data); goto out; } @@ -935,7 +935,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, int error; int mh_size = sizeof(struct gfs2_meta_header); - if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { + if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) { __be64 *end; error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, @@ -974,7 +974,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, eablk = (__be64 *)(indbh->b_data + mh_size); *eablk = cpu_to_be64(ip->i_eattr); ip->i_eattr = blk; - ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT; + ip->i_diskflags |= GFS2_DIF_EA_INDIRECT; gfs2_add_inode_blocks(&ip->i_inode, 1); eablk++; @@ -1015,7 +1015,7 @@ static int ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) return error; - if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) + if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) blks++; if (GFS2_EAREQ_SIZE_STUFFED(er) > GFS2_SB(&ip->i_inode)->sd_jbsize) blks += DIV_ROUND_UP(er->er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize); @@ -1051,7 +1051,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er) return error; if (el.el_ea) { - if (ip->i_di.di_flags & GFS2_DIF_APPENDONLY) { + if (ip->i_diskflags & GFS2_DIF_APPENDONLY) { brelse(el.el_bh); return -EPERM; } @@ -1388,7 +1388,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) if (bstart) gfs2_free_meta(ip, bstart, blen); - ip->i_di.di_flags &= ~GFS2_DIF_EA_INDIRECT; + ip->i_diskflags &= ~GFS2_DIF_EA_INDIRECT; error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { @@ -1479,7 +1479,7 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip) if (error) goto out_rindex; - if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { + if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) { error = ea_dealloc_indirect(ip); if (error) goto out_rindex; diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index c6c318c..848d64c 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -239,7 +239,7 @@ static int inode_go_lock(struct gfs2_holder *gh) return error; } - if ((ip->i_di.di_flags & GFS2_DIF_TRUNC_IN_PROG) && + if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && (gh->gh_state == LM_ST_EXCLUSIVE)) error = gfs2_truncatei_resume(ip); diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 4596cd2..6f67e75 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -233,9 +233,6 @@ enum { GIF_USER = 4, /* user inode, not metadata addr space */ }; -struct gfs2_dinode_host { - u32 di_flags; /* GFS2_DIF_... */ -}; struct gfs2_inode { struct inode i_inode; @@ -245,9 +242,6 @@ struct gfs2_inode { u64 i_eattr; loff_t i_disksize; unsigned long i_flags; /* GIF_... */ - - struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ - struct gfs2_glock *i_gl; /* Move into i_gh? */ struct gfs2_holder i_iopen_gh; struct gfs2_holder i_gh; /* for prepare/commit_write only */ @@ -255,6 +249,7 @@ struct gfs2_inode { u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; u32 i_entries; + u32 i_diskflags; u8 i_height; u8 i_depth; }; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index baf8b24..97d3ce65 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -247,7 +247,6 @@ fail: static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) { - struct gfs2_dinode_host *di = &ip->i_di; const struct gfs2_dinode *str = buf; struct timespec atime; u16 height, depth; @@ -288,7 +287,7 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) ip->i_goal = be64_to_cpu(str->di_goal_meta); ip->i_generation = be64_to_cpu(str->di_generation); - di->di_flags = be32_to_cpu(str->di_flags); + ip->i_diskflags = be32_to_cpu(str->di_flags); gfs2_set_inode_flags(&ip->i_inode); height = be16_to_cpu(str->di_height); if (unlikely(height > GFS2_MAX_META_HEIGHT)) @@ -789,11 +788,11 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, di->di_flags = 0; if (S_ISREG(mode)) { - if ((dip->i_di.di_flags & GFS2_DIF_INHERIT_JDATA) || + if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || gfs2_tune_get(sdp, gt_new_files_jdata)) di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); } else if (S_ISDIR(mode)) { - di->di_flags |= cpu_to_be32(dip->i_di.di_flags & + di->di_flags |= cpu_to_be32(dip->i_diskflags & GFS2_DIF_INHERIT_JDATA); } @@ -1241,7 +1240,6 @@ int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) { - const struct gfs2_dinode_host *di = &ip->i_di; struct gfs2_dinode *str = buf; str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); @@ -1265,10 +1263,10 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) str->di_goal_data = cpu_to_be64(ip->i_goal); str->di_generation = cpu_to_be64(ip->i_generation); - str->di_flags = cpu_to_be32(di->di_flags); + str->di_flags = cpu_to_be32(ip->i_diskflags); str->di_height = cpu_to_be16(ip->i_height); str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && - !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ? + !(ip->i_diskflags & GFS2_DIF_EXHASH) ? GFS2_FORMAT_DE : 0); str->di_depth = cpu_to_be16(ip->i_depth); str->di_entries = cpu_to_be32(ip->i_entries); @@ -1281,8 +1279,6 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) void gfs2_dinode_print(const struct gfs2_inode *ip) { - const struct gfs2_dinode_host *di = &ip->i_di; - printk(KERN_INFO " no_formal_ino = %llu\n", (unsigned long long)ip->i_no_formal_ino); printk(KERN_INFO " no_addr = %llu\n", @@ -1293,7 +1289,7 @@ void gfs2_dinode_print(const struct gfs2_inode *ip) (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); printk(KERN_INFO " i_goal = %llu\n", (unsigned long long)ip->i_goal); - printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags); + printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags); printk(KERN_INFO " i_height = %u\n", ip->i_height); printk(KERN_INFO " i_depth = %u\n", ip->i_depth); printk(KERN_INFO " i_entries = %u\n", ip->i_entries); diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index c357790..d532936 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -20,7 +20,7 @@ static inline int gfs2_is_stuffed(const struct gfs2_inode *ip) static inline int gfs2_is_jdata(const struct gfs2_inode *ip) { - return ip->i_di.di_flags & GFS2_DIF_JDATA; + return ip->i_diskflags & GFS2_DIF_JDATA; } static inline int gfs2_is_writeback(const struct gfs2_inode *ip) diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c index 3a9b9b4..7fdeb14 100644 --- a/fs/gfs2/ops_export.c +++ b/fs/gfs2/ops_export.c @@ -213,7 +213,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, } error = -EIO; - if (GFS2_I(inode)->i_di.di_flags & GFS2_DIF_SYSTEM) { + if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) { iput(inode); goto fail; } diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index d7e649e..a6b7a73 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -157,8 +157,8 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) if (error) return error; - fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags); - if (!S_ISDIR(inode->i_mode) && ip->i_di.di_flags & GFS2_DIF_JDATA) + fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags); + if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA) fsflags |= FS_JOURNAL_DATA_FL; if (put_user(fsflags, ptr)) error = -EFAULT; @@ -171,17 +171,16 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) void gfs2_set_inode_flags(struct inode *inode) { struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_dinode_host *di = &ip->i_di; unsigned int flags = inode->i_flags; flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); - if (di->di_flags & GFS2_DIF_IMMUTABLE) + if (ip->i_diskflags & GFS2_DIF_IMMUTABLE) flags |= S_IMMUTABLE; - if (di->di_flags & GFS2_DIF_APPENDONLY) + if (ip->i_diskflags & GFS2_DIF_APPENDONLY) flags |= S_APPEND; - if (di->di_flags & GFS2_DIF_NOATIME) + if (ip->i_diskflags & GFS2_DIF_NOATIME) flags |= S_NOATIME; - if (di->di_flags & GFS2_DIF_SYNC) + if (ip->i_diskflags & GFS2_DIF_SYNC) flags |= S_SYNC; inode->i_flags = flags; } @@ -220,7 +219,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) if (error) goto out_drop_write; - flags = ip->i_di.di_flags; + flags = ip->i_diskflags; new_flags = (flags & ~mask) | (reqflags & mask); if ((new_flags ^ flags) == 0) goto out; @@ -259,7 +258,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) if (error) goto out_trans_end; gfs2_trans_add_bh(ip->i_gl, bh, 1); - ip->i_di.di_flags = new_flags; + ip->i_diskflags = new_flags; gfs2_dinode_out(ip, bh->b_data); brelse(bh); gfs2_set_inode_flags(inode); diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index b932d72..4987754 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -426,7 +426,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) ip->i_inode.i_nlink = 2; ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); - ip->i_di.di_flags |= GFS2_DIF_JDATA; + ip->i_diskflags |= GFS2_DIF_JDATA; ip->i_entries = 2; error = gfs2_meta_inode_buffer(ip, &dibh); diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index aee6cba..ad36af2 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -496,7 +496,7 @@ static void gfs2_delete_inode(struct inode *inode) goto out_truncate; if (S_ISDIR(inode->i_mode) && - (ip->i_di.di_flags & GFS2_DIF_EXHASH)) { + (ip->i_diskflags & GFS2_DIF_EXHASH)) { error = gfs2_dir_exhash_dealloc(ip); if (error) goto out_unlock; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 188d0a2..228a465 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1013,7 +1013,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change, if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), change)) return; - if (ip->i_di.di_flags & GFS2_DIF_SYSTEM) + if (ip->i_diskflags & GFS2_DIF_SYSTEM) return; for (x = 0; x < al->al_qd_num; x++) { -- cgit v0.10.2 From d8b71f7381769177998acb2f59ddc73465a60fe0 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 4 Nov 2008 10:19:03 +0000 Subject: GFS2: Move rg_igeneration into struct gfs2_rgrpd This moves one of the fields of struct gfs2_rgrpd_host into the struct gfs2_rgrpd with the eventual aim of removing the struct rgrpd_host completely. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 6f67e75..869ac83 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -71,7 +71,6 @@ struct gfs2_bitmap { struct gfs2_rgrp_host { u32 rg_free; u32 rg_dinodes; - u64 rg_igeneration; }; struct gfs2_rgrpd { @@ -84,6 +83,7 @@ struct gfs2_rgrpd { u32 rd_data; /* num of data blocks in rgrp */ u32 rd_bitbytes; /* number of bytes in data bitmaps */ struct gfs2_rgrp_host rd_rg; + u64 rd_igeneration; struct gfs2_bitmap *rd_bits; unsigned int rd_bh_count; struct mutex rd_mutex; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index bdad0df..8e93d62 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -702,7 +702,7 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) rgd->rd_flags &= ~GFS2_RDF_NOALLOC; rg->rg_free = be32_to_cpu(str->rg_free); rg->rg_dinodes = be32_to_cpu(str->rg_dinodes); - rg->rg_igeneration = be64_to_cpu(str->rg_igeneration); + rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration); } static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) @@ -717,7 +717,7 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) str->rg_free = cpu_to_be32(rg->rg_free); str->rg_dinodes = cpu_to_be32(rg->rg_dinodes); str->__pad = cpu_to_be32(0); - str->rg_igeneration = cpu_to_be64(rg->rg_igeneration); + str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration); memset(&str->rg_reserved, 0, sizeof(str->rg_reserved)); } @@ -1448,7 +1448,7 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free); rgd->rd_rg.rg_free--; rgd->rd_rg.rg_dinodes++; - *generation = rgd->rd_rg.rg_igeneration++; + *generation = rgd->rd_igeneration++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); -- cgit v0.10.2 From cfc8b54922db7b647b6d88914dc7ef8c63b6671d Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 4 Nov 2008 10:25:13 +0000 Subject: GFS2: Move rg_free from gfs2_rgrpd_host to gfs2_rgrpd The second of three fields which need to move, in order to remove the struct gfs2_rgrpd_host. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 869ac83..f8d9773 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -69,7 +69,6 @@ struct gfs2_bitmap { }; struct gfs2_rgrp_host { - u32 rg_free; u32 rg_dinodes; }; @@ -82,6 +81,7 @@ struct gfs2_rgrpd { u32 rd_length; /* length of rgrp header in fs blocks */ u32 rd_data; /* num of data blocks in rgrp */ u32 rd_bitbytes; /* number of bytes in data bitmaps */ + u32 rd_free; struct gfs2_rgrp_host rd_rg; u64 rd_igeneration; struct gfs2_bitmap *rd_bits; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 8e93d62..bab9cfa 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -269,15 +269,15 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) bi->bi_len, x); } - if (count[0] != rgd->rd_rg.rg_free) { + if (count[0] != rgd->rd_free) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "free data mismatch: %u != %u\n", - count[0], rgd->rd_rg.rg_free); + count[0], rgd->rd_free); return; } tmp = rgd->rd_data - - rgd->rd_rg.rg_free - + rgd->rd_free - rgd->rd_rg.rg_dinodes; if (count[1] + count[2] != tmp) { if (gfs2_consist_rgrpd(rgd)) @@ -700,7 +700,7 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) rgd->rd_flags |= GFS2_RDF_NOALLOC; else rgd->rd_flags &= ~GFS2_RDF_NOALLOC; - rg->rg_free = be32_to_cpu(str->rg_free); + rgd->rd_free = be32_to_cpu(str->rg_free); rg->rg_dinodes = be32_to_cpu(str->rg_dinodes); rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration); } @@ -714,7 +714,7 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) if (rgd->rd_flags & GFS2_RDF_NOALLOC) rg_flags |= GFS2_RGF_NOALLOC; str->rg_flags = cpu_to_be32(rg_flags); - str->rg_free = cpu_to_be32(rg->rg_free); + str->rg_free = cpu_to_be32(rgd->rd_free); str->rg_dinodes = cpu_to_be32(rg->rg_dinodes); str->__pad = cpu_to_be32(0); str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration); @@ -776,7 +776,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd) } spin_lock(&sdp->sd_rindex_spin); - rgd->rd_free_clone = rgd->rd_rg.rg_free; + rgd->rd_free_clone = rgd->rd_free; rgd->rd_bh_count++; spin_unlock(&sdp->sd_rindex_spin); @@ -850,7 +850,7 @@ void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd) } spin_lock(&sdp->sd_rindex_spin); - rgd->rd_free_clone = rgd->rd_rg.rg_free; + rgd->rd_free_clone = rgd->rd_free; spin_unlock(&sdp->sd_rindex_spin); } @@ -1403,8 +1403,8 @@ u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n) block = rgd->rd_data0 + blk; ip->i_goal = block; - gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free >= *n); - rgd->rd_rg.rg_free -= *n; + gfs2_assert_withdraw(sdp, rgd->rd_free >= *n); + rgd->rd_free -= *n; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1445,8 +1445,8 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) block = rgd->rd_data0 + blk; - gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free); - rgd->rd_rg.rg_free--; + gfs2_assert_withdraw(sdp, rgd->rd_free); + rgd->rd_free--; rgd->rd_rg.rg_dinodes++; *generation = rgd->rd_igeneration++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); @@ -1481,7 +1481,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) if (!rgd) return; - rgd->rd_rg.rg_free += blen; + rgd->rd_free += blen; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1509,7 +1509,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) if (!rgd) return; - rgd->rd_rg.rg_free += blen; + rgd->rd_free += blen; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1549,7 +1549,7 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) if (!rgd->rd_rg.rg_dinodes) gfs2_consist_rgrpd(rgd); rgd->rd_rg.rg_dinodes--; - rgd->rd_rg.rg_free++; + rgd->rd_free++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index f5cef2a..e769076 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -468,7 +468,7 @@ static int statfs_slow_fill(struct gfs2_rgrpd *rgd, { gfs2_rgrp_verify(rgd); sc->sc_total += rgd->rd_data; - sc->sc_free += rgd->rd_rg.rg_free; + sc->sc_free += rgd->rd_free; sc->sc_dinodes += rgd->rd_rg.rg_dinodes; return 0; } -- cgit v0.10.2 From 73f749483ed18f3b5759909cc4187b1741f54b10 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 4 Nov 2008 10:32:57 +0000 Subject: GFS2: Banish struct gfs2_rgrpd_host This patch moves the final field so that we can get rid of struct gfs2_rgrpd_host, as promised some time ago. Also by rearranging the fields slightly, we are able to reduce the size of the gfs2_rgrpd structure at the same time. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index f8d9773..9e3b613 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -68,10 +68,6 @@ struct gfs2_bitmap { u32 bi_len; }; -struct gfs2_rgrp_host { - u32 rg_dinodes; -}; - struct gfs2_rgrpd { struct list_head rd_list; /* Link with superblock */ struct list_head rd_list_mru; @@ -82,15 +78,15 @@ struct gfs2_rgrpd { u32 rd_data; /* num of data blocks in rgrp */ u32 rd_bitbytes; /* number of bytes in data bitmaps */ u32 rd_free; - struct gfs2_rgrp_host rd_rg; + u32 rd_free_clone; + u32 rd_dinodes; u64 rd_igeneration; struct gfs2_bitmap *rd_bits; - unsigned int rd_bh_count; struct mutex rd_mutex; - u32 rd_free_clone; struct gfs2_log_element rd_le; - u32 rd_last_alloc; struct gfs2_sbd *rd_sbd; + unsigned int rd_bh_count; + u32 rd_last_alloc; unsigned char rd_flags; #define GFS2_RDF_CHECK 0x01 /* Need to check for unlinked inodes */ #define GFS2_RDF_NOALLOC 0x02 /* rg prohibits allocation */ diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index bab9cfa..8b01c63 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -276,9 +276,7 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) return; } - tmp = rgd->rd_data - - rgd->rd_free - - rgd->rd_rg.rg_dinodes; + tmp = rgd->rd_data - rgd->rd_free - rgd->rd_dinodes; if (count[1] + count[2] != tmp) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "used data mismatch: %u != %u\n", @@ -286,10 +284,10 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) return; } - if (count[3] != rgd->rd_rg.rg_dinodes) { + if (count[3] != rgd->rd_dinodes) { if (gfs2_consist_rgrpd(rgd)) fs_err(sdp, "used metadata mismatch: %u != %u\n", - count[3], rgd->rd_rg.rg_dinodes); + count[3], rgd->rd_dinodes); return; } @@ -692,7 +690,6 @@ int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh) static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) { const struct gfs2_rgrp *str = buf; - struct gfs2_rgrp_host *rg = &rgd->rd_rg; u32 rg_flags; rg_flags = be32_to_cpu(str->rg_flags); @@ -701,21 +698,20 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf) else rgd->rd_flags &= ~GFS2_RDF_NOALLOC; rgd->rd_free = be32_to_cpu(str->rg_free); - rg->rg_dinodes = be32_to_cpu(str->rg_dinodes); + rgd->rd_dinodes = be32_to_cpu(str->rg_dinodes); rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration); } static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf) { struct gfs2_rgrp *str = buf; - struct gfs2_rgrp_host *rg = &rgd->rd_rg; u32 rg_flags = 0; if (rgd->rd_flags & GFS2_RDF_NOALLOC) rg_flags |= GFS2_RGF_NOALLOC; str->rg_flags = cpu_to_be32(rg_flags); str->rg_free = cpu_to_be32(rgd->rd_free); - str->rg_dinodes = cpu_to_be32(rg->rg_dinodes); + str->rg_dinodes = cpu_to_be32(rgd->rd_dinodes); str->__pad = cpu_to_be32(0); str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration); memset(&str->rg_reserved, 0, sizeof(str->rg_reserved)); @@ -1447,7 +1443,7 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation) gfs2_assert_withdraw(sdp, rgd->rd_free); rgd->rd_free--; - rgd->rd_rg.rg_dinodes++; + rgd->rd_dinodes++; *generation = rgd->rd_igeneration++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); @@ -1546,9 +1542,9 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) return; gfs2_assert_withdraw(sdp, rgd == tmp_rgd); - if (!rgd->rd_rg.rg_dinodes) + if (!rgd->rd_dinodes) gfs2_consist_rgrpd(rgd); - rgd->rd_rg.rg_dinodes--; + rgd->rd_dinodes--; rgd->rd_free++; gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1); diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index e769076..b858770 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -469,7 +469,7 @@ static int statfs_slow_fill(struct gfs2_rgrpd *rgd, gfs2_rgrp_verify(rgd); sc->sc_total += rgd->rd_data; sc->sc_free += rgd->rd_free; - sc->sc_dinodes += rgd->rd_rg.rg_dinodes; + sc->sc_dinodes += rgd->rd_dinodes; return 0; } -- cgit v0.10.2 From fa75cedc3da5923b8ea3877be9d5bc09b02e3860 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 10 Nov 2008 10:10:12 +0000 Subject: GFS2: Add more detail to debugfs glock dumps Although the glock dumps print quite a lot of information about the glocks themselves, there are more things which can be usefully added to the dump realting to the objects themselves. This patch adds a few more fields to the inode and resource group lines, which should be useful for debugging. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 848d64c..68ee665 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -260,10 +260,13 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) const struct gfs2_inode *ip = gl->gl_object; if (ip == NULL) return 0; - gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%08lx\n", + gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu/%llu\n", (unsigned long long)ip->i_no_formal_ino, (unsigned long long)ip->i_no_addr, - IF2DT(ip->i_inode.i_mode), ip->i_flags); + IF2DT(ip->i_inode.i_mode), ip->i_flags, + (unsigned int)ip->i_diskflags, + (unsigned long long)ip->i_inode.i_size, + (unsigned long long)ip->i_disksize); return 0; } @@ -318,7 +321,9 @@ static int rgrp_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) const struct gfs2_rgrpd *rgd = gl->gl_object; if (rgd == NULL) return 0; - gfs2_print_dbg(seq, " R: n:%llu\n", (unsigned long long)rgd->rd_addr); + gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u\n", + (unsigned long long)rgd->rd_addr, rgd->rd_flags, + rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes); return 0; } -- cgit v0.10.2 From 37b2c8377c98acb60cf4d0126e385ef2153bded9 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 17 Nov 2008 14:25:37 +0000 Subject: GFS2: Clean up & move gfs2_quotad This patch is a clean up of gfs2_quotad prior to giving it an extra job to do in addition to the current portfolio of updating the quota and statfs information from time to time. As a result it has been moved into quota.c allowing one of the functions it calls to be made static. Also the clean up allows the two existing functions to have separate timeouts and also to coexist with its future role of dealing with the "truncate in progress" inode flag. The (pointless) setting of gfs2_quotad_secs is removed since we arrange to only wake up quotad when one of the two timers expires. In addition the struct gfs2_quota_data is moved into a slab cache, mainly for easier debugging. It should also be possible to use a shrinker in the future, rather than the current scheme of scanning the quota data entries from time to time. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c index e519919..5668aa7 100644 --- a/fs/gfs2/daemon.c +++ b/fs/gfs2/daemon.c @@ -23,7 +23,6 @@ #include "daemon.h" #include "glock.h" #include "log.h" -#include "quota.h" #include "recovery.h" #include "super.h" #include "util.h" @@ -82,55 +81,3 @@ int gfs2_recoverd(void *data) return 0; } -/** - * gfs2_quotad - Write cached quota changes into the quota file - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_quotad(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - int error; - - while (!kthread_should_stop()) { - /* Update the master statfs file */ - - t = sdp->sd_statfs_sync_time + - gfs2_tune_get(sdp, gt_statfs_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_statfs_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (1) error=%d\n", error); - sdp->sd_statfs_sync_time = jiffies; - } - - /* Update quota file */ - - t = sdp->sd_quota_sync_time + - gfs2_tune_get(sdp, gt_quota_quantum) * HZ; - - if (time_after_eq(jiffies, t)) { - error = gfs2_quota_sync(sdp); - if (error && - error != -EROFS && - !test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) - fs_err(sdp, "quotad: (2) error=%d\n", error); - sdp->sd_quota_sync_time = jiffies; - } - - gfs2_quota_scan(sdp); - - t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 9e3b613..cfebc17 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -402,7 +402,6 @@ struct gfs2_tune { unsigned int gt_recoverd_secs; unsigned int gt_logd_secs; - unsigned int gt_quotad_secs; unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ @@ -509,7 +508,6 @@ struct gfs2_sbd { spinlock_t sd_statfs_spin; struct gfs2_statfs_change_host sd_statfs_master; struct gfs2_statfs_change_host sd_statfs_local; - unsigned long sd_statfs_sync_time; /* Resource group stuff */ @@ -551,13 +549,13 @@ struct gfs2_sbd { atomic_t sd_quota_count; spinlock_t sd_quota_spin; struct mutex sd_quota_mutex; + wait_queue_head_t sd_quota_wait; unsigned int sd_quota_slots; unsigned int sd_quota_chunks; unsigned char **sd_quota_bitmap; u64 sd_quota_sync_gen; - unsigned long sd_quota_sync_time; /* Log stuff */ diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 3eea03c..e3f6f18 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -93,6 +93,12 @@ static int __init init_gfs2_fs(void) if (!gfs2_rgrpd_cachep) goto fail; + gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad", + sizeof(struct gfs2_quota_data), + 0, 0, NULL); + if (!gfs2_quotad_cachep) + goto fail; + error = register_filesystem(&gfs2_fs_type); if (error) goto fail; @@ -112,6 +118,9 @@ fail_unregister: fail: gfs2_glock_exit(); + if (gfs2_quotad_cachep) + kmem_cache_destroy(gfs2_quotad_cachep); + if (gfs2_rgrpd_cachep) kmem_cache_destroy(gfs2_rgrpd_cachep); @@ -140,6 +149,7 @@ static void __exit exit_gfs2_fs(void) unregister_filesystem(&gfs2_fs_type); unregister_filesystem(&gfs2meta_fs_type); + kmem_cache_destroy(gfs2_quotad_cachep); kmem_cache_destroy(gfs2_rgrpd_cachep); kmem_cache_destroy(gfs2_bufdata_cachep); kmem_cache_destroy(gfs2_inode_cachep); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index dd83e83..5d13706 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -60,7 +60,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt) gt->gt_log_flush_secs = 60; gt->gt_recoverd_secs = 60; gt->gt_logd_secs = 1; - gt->gt_quotad_secs = 5; gt->gt_quota_simul_sync = 64; gt->gt_quota_warn_period = 10; gt->gt_quota_scale_num = 1; @@ -107,6 +106,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) INIT_LIST_HEAD(&sdp->sd_quota_list); spin_lock_init(&sdp->sd_quota_spin); mutex_init(&sdp->sd_quota_mutex); + init_waitqueue_head(&sdp->sd_quota_wait); spin_lock_init(&sdp->sd_log_lock); @@ -970,9 +970,6 @@ static int init_threads(struct gfs2_sbd *sdp, int undo) } sdp->sd_logd_process = p; - sdp->sd_statfs_sync_time = jiffies; - sdp->sd_quota_sync_time = jiffies; - p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad"); error = IS_ERR(p); if (error) { diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 228a465..0cfe44f 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -46,6 +46,8 @@ #include #include #include +#include +#include #include "gfs2.h" #include "incore.h" @@ -94,7 +96,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id, struct gfs2_quota_data *qd; int error; - qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_NOFS); + qd = kmem_cache_zalloc(gfs2_quotad_cachep, GFP_NOFS); if (!qd) return -ENOMEM; @@ -119,7 +121,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id, return 0; fail: - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); return error; } @@ -158,7 +160,7 @@ static int qd_get(struct gfs2_sbd *sdp, int user, u32 id, int create, if (qd || !create) { if (new_qd) { gfs2_lvb_unhold(new_qd->qd_gl); - kfree(new_qd); + kmem_cache_free(gfs2_quotad_cachep, new_qd); } *qdp = qd; return 0; @@ -1195,7 +1197,7 @@ fail: return error; } -void gfs2_quota_scan(struct gfs2_sbd *sdp) +static void gfs2_quota_scan(struct gfs2_sbd *sdp) { struct gfs2_quota_data *qd, *safe; LIST_HEAD(dead); @@ -1222,7 +1224,7 @@ void gfs2_quota_scan(struct gfs2_sbd *sdp) gfs2_assert_warn(sdp, !qd->qd_bh_count); gfs2_lvb_unhold(qd->qd_gl); - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); } } @@ -1257,7 +1259,7 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp) gfs2_assert_warn(sdp, !qd->qd_bh_count); gfs2_lvb_unhold(qd->qd_gl); - kfree(qd); + kmem_cache_free(gfs2_quotad_cachep, qd); spin_lock(&sdp->sd_quota_spin); } @@ -1272,3 +1274,65 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp) } } +static void quotad_error(struct gfs2_sbd *sdp, const char *msg, int error) +{ + if (error == 0 || error == -EROFS) + return; + if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)) + fs_err(sdp, "gfs2_quotad: %s error %d\n", msg, error); +} + +static void quotad_check_timeo(struct gfs2_sbd *sdp, const char *msg, + int (*fxn)(struct gfs2_sbd *sdp), + unsigned long t, unsigned long *timeo, + unsigned int *new_timeo) +{ + if (t >= *timeo) { + int error = fxn(sdp); + quotad_error(sdp, msg, error); + *timeo = gfs2_tune_get_i(&sdp->sd_tune, new_timeo) * HZ; + } else { + *timeo -= t; + } +} + +/** + * gfs2_quotad - Write cached quota changes into the quota file + * @sdp: Pointer to GFS2 superblock + * + */ + +int gfs2_quotad(void *data) +{ + struct gfs2_sbd *sdp = data; + struct gfs2_tune *tune = &sdp->sd_tune; + unsigned long statfs_timeo = 0; + unsigned long quotad_timeo = 0; + unsigned long t = 0; + DEFINE_WAIT(wait); + + while (!kthread_should_stop()) { + + /* Update the master statfs file */ + quotad_check_timeo(sdp, "statfs", gfs2_statfs_sync, t, + &statfs_timeo, &tune->gt_statfs_quantum); + + /* Update quota file */ + quotad_check_timeo(sdp, "sync", gfs2_quota_sync, t, + "ad_timeo, &tune->gt_quota_quantum); + + /* FIXME: This should be turned into a shrinker */ + gfs2_quota_scan(sdp); + + if (freezing(current)) + refrigerator(); + t = min(quotad_timeo, statfs_timeo); + + prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE); + t -= schedule_timeout(t); + finish_wait(&sdp->sd_quota_wait, &wait); + } + + return 0; +} + diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h index 3b7f4b0..1d08aee 100644 --- a/fs/gfs2/quota.h +++ b/fs/gfs2/quota.h @@ -29,7 +29,6 @@ int gfs2_quota_sync(struct gfs2_sbd *sdp); int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); int gfs2_quota_init(struct gfs2_sbd *sdp); -void gfs2_quota_scan(struct gfs2_sbd *sdp); void gfs2_quota_cleanup(struct gfs2_sbd *sdp); static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 7e1879f..59e36fd 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -408,7 +408,6 @@ TUNE_ATTR(stall_secs, 1); TUNE_ATTR(statfs_quantum, 1); TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process); TUNE_ATTR_DAEMON(logd_secs, logd_process); -TUNE_ATTR_DAEMON(quotad_secs, quotad_process); TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); static struct attribute *tune_attrs[] = { @@ -426,7 +425,6 @@ static struct attribute *tune_attrs[] = { &tune_attr_statfs_quantum.attr, &tune_attr_recoverd_secs.attr, &tune_attr_logd_secs.attr, - &tune_attr_quotad_secs.attr, &tune_attr_quota_scale.attr, &tune_attr_new_files_jdata.attr, NULL, diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c index d31e355..374f50e 100644 --- a/fs/gfs2/util.c +++ b/fs/gfs2/util.c @@ -25,6 +25,7 @@ struct kmem_cache *gfs2_glock_cachep __read_mostly; struct kmem_cache *gfs2_inode_cachep __read_mostly; struct kmem_cache *gfs2_bufdata_cachep __read_mostly; struct kmem_cache *gfs2_rgrpd_cachep __read_mostly; +struct kmem_cache *gfs2_quotad_cachep __read_mostly; void gfs2_assert_i(struct gfs2_sbd *sdp) { diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 7f48576..33e96b0 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -148,6 +148,7 @@ extern struct kmem_cache *gfs2_glock_cachep; extern struct kmem_cache *gfs2_inode_cachep; extern struct kmem_cache *gfs2_bufdata_cachep; extern struct kmem_cache *gfs2_rgrpd_cachep; +extern struct kmem_cache *gfs2_quotad_cachep; static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, unsigned int *p) -- cgit v0.10.2 From 813e0c46c9e2a0c6f0b6e774faac82afd7a2e812 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Tue, 18 Nov 2008 13:38:48 +0000 Subject: GFS2: Fix "truncate in progress" hang Following on from the recent clean up of gfs2_quotad, this patch moves the processing of "truncate in progress" inodes from the glock workqueue into gfs2_quotad. This fixes a hang due to the "truncate in progress" processing requiring glocks in order to complete. It might seem odd to use gfs2_quotad for this particular item, but we have to use a pre-existing thread since creating a thread implies a GFP_KERNEL memory allocation which is not allowed from the glock workqueue context. Of the existing threads, gfs2_logd and gfs2_recoverd may deadlock if used for this operation. gfs2_scand and gfs2_glockd are both scheduled for removal at some (hopefully not too distant) future point. That leaves only gfs2_quotad whose workload is generally fairly light and is easily adapted for this extra task. Also, as a result of this change, it opens the way for a future patch to make the reading of the inode's information asynchronous with respect to the glock workqueue, which is another improvement that has been on the list for some time now. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 27cb9cc..4ddf3bd 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -40,6 +40,7 @@ #include "quota.h" #include "super.h" #include "util.h" +#include "bmap.h" struct gfs2_gl_hash_bucket { struct hlist_head hb_list; @@ -289,7 +290,8 @@ static void gfs2_holder_wake(struct gfs2_holder *gh) * do_promote - promote as many requests as possible on the current queue * @gl: The glock * - * Returns: true if there is a blocked holder at the head of the list + * Returns: 1 if there is a blocked holder at the head of the list, or 2 + * if a type specific operation is underway. */ static int do_promote(struct gfs2_glock *gl) @@ -312,6 +314,8 @@ restart: ret = glops->go_lock(gh); spin_lock(&gl->gl_spin); if (ret) { + if (ret == 1) + return 2; gh->gh_error = ret; list_del_init(&gh->gh_list); gfs2_holder_wake(gh); @@ -416,6 +420,7 @@ static void finish_xmote(struct gfs2_glock *gl, unsigned int ret) const struct gfs2_glock_operations *glops = gl->gl_ops; struct gfs2_holder *gh; unsigned state = ret & LM_OUT_ST_MASK; + int rv; spin_lock(&gl->gl_spin); state_change(gl, state); @@ -470,7 +475,6 @@ retry: gfs2_demote_wake(gl); if (state != LM_ST_UNLOCKED) { if (glops->go_xmote_bh) { - int rv; spin_unlock(&gl->gl_spin); rv = glops->go_xmote_bh(gl, gh); if (rv == -EAGAIN) @@ -481,10 +485,13 @@ retry: goto out; } } - do_promote(gl); + rv = do_promote(gl); + if (rv == 2) + goto out_locked; } out: clear_bit(GLF_LOCK, &gl->gl_flags); +out_locked: spin_unlock(&gl->gl_spin); gfs2_glock_put(gl); } @@ -584,6 +591,7 @@ __releases(&gl->gl_spin) __acquires(&gl->gl_spin) { struct gfs2_holder *gh = NULL; + int ret; if (test_and_set_bit(GLF_LOCK, &gl->gl_flags)) return; @@ -602,8 +610,11 @@ __acquires(&gl->gl_spin) } else { if (test_bit(GLF_DEMOTE, &gl->gl_flags)) gfs2_demote_wake(gl); - if (do_promote(gl) == 0) + ret = do_promote(gl); + if (ret == 0) goto out; + if (ret == 2) + return; gh = find_first_waiter(gl); gl->gl_target = gh->gh_state; if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB))) @@ -1556,6 +1567,20 @@ void gfs2_gl_hash_clear(struct gfs2_sbd *sdp) } } +void gfs2_glock_finish_truncate(struct gfs2_inode *ip) +{ + struct gfs2_glock *gl = ip->i_gl; + int ret; + + ret = gfs2_truncatei_resume(ip); + gfs2_assert_withdraw(gl->gl_sbd, ret == 0); + + spin_lock(&gl->gl_spin); + clear_bit(GLF_LOCK, &gl->gl_flags); + run_queue(gl, 1); + spin_unlock(&gl->gl_spin); +} + static const char *state2str(unsigned state) { switch(state) { diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 695c6b1..13a64ee 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -132,6 +132,7 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data); void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl); void gfs2_reclaim_glock(struct gfs2_sbd *sdp); void gfs2_gl_hash_clear(struct gfs2_sbd *sdp); +void gfs2_glock_finish_truncate(struct gfs2_inode *ip); int __init gfs2_glock_init(void); void gfs2_glock_exit(void); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 68ee665..8ebff8e 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -227,6 +227,7 @@ static int inode_go_demote_ok(struct gfs2_glock *gl) static int inode_go_lock(struct gfs2_holder *gh) { struct gfs2_glock *gl = gh->gh_gl; + struct gfs2_sbd *sdp = gl->gl_sbd; struct gfs2_inode *ip = gl->gl_object; int error = 0; @@ -241,8 +242,14 @@ static int inode_go_lock(struct gfs2_holder *gh) if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && - (gh->gh_state == LM_ST_EXCLUSIVE)) - error = gfs2_truncatei_resume(ip); + (gh->gh_state == LM_ST_EXCLUSIVE)) { + spin_lock(&sdp->sd_trunc_lock); + if (list_empty(&ip->i_trunc_list)) + list_add(&sdp->sd_trunc_list, &ip->i_trunc_list); + spin_unlock(&sdp->sd_trunc_lock); + wake_up(&sdp->sd_quota_wait); + return 1; + } return error; } diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index cfebc17..dd7d0f8 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -244,6 +244,7 @@ struct gfs2_inode { struct gfs2_alloc *i_alloc; u64 i_goal; /* goal block for allocations */ struct rw_semaphore i_rw_mutex; + struct list_head i_trunc_list; u32 i_entries; u32 i_diskflags; u8 i_height; @@ -550,6 +551,8 @@ struct gfs2_sbd { spinlock_t sd_quota_spin; struct mutex sd_quota_mutex; wait_queue_head_t sd_quota_wait; + struct list_head sd_trunc_list; + spinlock_t sd_trunc_lock; unsigned int sd_quota_slots; unsigned int sd_quota_chunks; diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index e3f6f18..cf39295 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -30,6 +30,7 @@ static void gfs2_init_inode_once(void *foo) inode_init_once(&ip->i_inode); init_rwsem(&ip->i_rw_mutex); + INIT_LIST_HEAD(&ip->i_trunc_list); ip->i_alloc = NULL; } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 5d13706..a9a8380 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -107,6 +107,8 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) spin_lock_init(&sdp->sd_quota_spin); mutex_init(&sdp->sd_quota_mutex); init_waitqueue_head(&sdp->sd_quota_wait); + INIT_LIST_HEAD(&sdp->sd_trunc_list); + spin_lock_init(&sdp->sd_trunc_lock); spin_lock_init(&sdp->sd_log_lock); diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 0cfe44f..b08d096 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1296,6 +1296,25 @@ static void quotad_check_timeo(struct gfs2_sbd *sdp, const char *msg, } } +static void quotad_check_trunc_list(struct gfs2_sbd *sdp) +{ + struct gfs2_inode *ip; + + while(1) { + ip = NULL; + spin_lock(&sdp->sd_trunc_lock); + if (!list_empty(&sdp->sd_trunc_list)) { + ip = list_entry(sdp->sd_trunc_list.next, + struct gfs2_inode, i_trunc_list); + list_del_init(&ip->i_trunc_list); + } + spin_unlock(&sdp->sd_trunc_lock); + if (ip == NULL) + return; + gfs2_glock_finish_truncate(ip); + } +} + /** * gfs2_quotad - Write cached quota changes into the quota file * @sdp: Pointer to GFS2 superblock @@ -1310,6 +1329,7 @@ int gfs2_quotad(void *data) unsigned long quotad_timeo = 0; unsigned long t = 0; DEFINE_WAIT(wait); + int empty; while (!kthread_should_stop()) { @@ -1324,12 +1344,21 @@ int gfs2_quotad(void *data) /* FIXME: This should be turned into a shrinker */ gfs2_quota_scan(sdp); + /* Check for & recover partially truncated inodes */ + quotad_check_trunc_list(sdp); + if (freezing(current)) refrigerator(); t = min(quotad_timeo, statfs_timeo); prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE); - t -= schedule_timeout(t); + spin_lock(&sdp->sd_trunc_lock); + empty = list_empty(&sdp->sd_trunc_list); + spin_unlock(&sdp->sd_trunc_lock); + if (empty) + t -= schedule_timeout(t); + else + t = 0; finish_wait(&sdp->sd_quota_wait, &wait); } -- cgit v0.10.2 From 9ac1b4d9b6f885ccd7d8f56bceb609003a920ff7 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 19 Nov 2008 10:08:22 +0000 Subject: GFS2: Move gfs2_recoverd into recovery.c By moving gfs2_recoverd, we can make an additional function static and it also leaves only (the already scheduled for removal) gfs2_glockd in daemon.c. At the same time the declaration of gfs2_quotad is moved to quota.h to reflect the new location of gfs2_quotad in a previous patch. Also the recovery.h and quota.h headers are cleaned up. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c index 5668aa7..2662df0 100644 --- a/fs/gfs2/daemon.c +++ b/fs/gfs2/daemon.c @@ -59,25 +59,3 @@ int gfs2_glockd(void *data) return 0; } -/** - * gfs2_recoverd - Recover dead machine's journals - * @sdp: Pointer to GFS2 superblock - * - */ - -int gfs2_recoverd(void *data) -{ - struct gfs2_sbd *sdp = data; - unsigned long t; - - while (!kthread_should_stop()) { - gfs2_check_journals(sdp); - t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; - if (freezing(current)) - refrigerator(); - schedule_timeout_interruptible(t); - } - - return 0; -} - diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h index 4be084f..5258954 100644 --- a/fs/gfs2/daemon.h +++ b/fs/gfs2/daemon.h @@ -11,7 +11,5 @@ #define __DAEMON_DOT_H__ int gfs2_glockd(void *data); -int gfs2_recoverd(void *data); -int gfs2_quotad(void *data); #endif /* __DAEMON_DOT_H__ */ diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index a9a8380..d159e7e 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -33,6 +33,7 @@ #include "sys.h" #include "util.h" #include "log.h" +#include "quota.h" #define DO 0 #define UNDO 1 diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h index 1d08aee..cec9032 100644 --- a/fs/gfs2/quota.h +++ b/fs/gfs2/quota.h @@ -15,21 +15,22 @@ struct gfs2_sbd; #define NO_QUOTA_CHANGE ((u32)-1) -int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_unhold(struct gfs2_inode *ip); +extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_unhold(struct gfs2_inode *ip); -int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_unlock(struct gfs2_inode *ip); +extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_unlock(struct gfs2_inode *ip); -int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); -void gfs2_quota_change(struct gfs2_inode *ip, s64 change, - u32 uid, u32 gid); +extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid); +extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change, + u32 uid, u32 gid); -int gfs2_quota_sync(struct gfs2_sbd *sdp); -int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); +extern int gfs2_quota_sync(struct gfs2_sbd *sdp); +extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id); -int gfs2_quota_init(struct gfs2_sbd *sdp); -void gfs2_quota_cleanup(struct gfs2_sbd *sdp); +extern int gfs2_quota_init(struct gfs2_sbd *sdp); +extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp); +extern int gfs2_quotad(void *data); static inline int gfs2_quota_lock_check(struct gfs2_inode *ip) { diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index d5e91f4..b56ba3d 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -14,6 +14,8 @@ #include #include #include +#include +#include #include "gfs2.h" #include "incore.h" @@ -589,7 +591,7 @@ fail: * */ -void gfs2_check_journals(struct gfs2_sbd *sdp) +static void gfs2_check_journals(struct gfs2_sbd *sdp) { struct gfs2_jdesc *jd; @@ -603,3 +605,25 @@ void gfs2_check_journals(struct gfs2_sbd *sdp) } } +/** + * gfs2_recoverd - Recover dead machine's journals + * @sdp: Pointer to GFS2 superblock + * + */ + +int gfs2_recoverd(void *data) +{ + struct gfs2_sbd *sdp = data; + unsigned long t; + + while (!kthread_should_stop()) { + gfs2_check_journals(sdp); + t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ; + if (freezing(current)) + refrigerator(); + schedule_timeout_interruptible(t); + } + + return 0; +} + diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h index f7235e6..a8218ea 100644 --- a/fs/gfs2/recovery.h +++ b/fs/gfs2/recovery.h @@ -18,17 +18,17 @@ static inline void gfs2_replay_incr_blk(struct gfs2_sbd *sdp, unsigned int *blk) *blk = 0; } -int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk, +extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk, struct buffer_head **bh); -int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); -int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); -void gfs2_revoke_clean(struct gfs2_sbd *sdp); +extern int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); +extern int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); +extern void gfs2_revoke_clean(struct gfs2_sbd *sdp); -int gfs2_find_jhead(struct gfs2_jdesc *jd, +extern int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head); -int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); -void gfs2_check_journals(struct gfs2_sbd *sdp); +extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); +extern int gfs2_recoverd(void *data); #endif /* __RECOVERY_DOT_H__ */ -- cgit v0.10.2 From 97cc1025b1a91c52e84f12478dcf0f853abc6564 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 20 Nov 2008 13:39:47 +0000 Subject: GFS2: Kill two daemons with one patch This patch removes the two daemons, gfs2_scand and gfs2_glockd and replaces them with a shrinker which is called from the VM. The net result is that GFS2 responds better when there is memory pressure, since it shrinks the glock cache at the same rate as the VFS shrinks the dcache and icache. There are no longer any time based criteria for shrinking glocks, they are kept until such time as the VM asks for more memory and then we demote just as many glocks as required. There are potential future changes to this code, including the possibility of sorting the glocks which are to be written back into inode number order, to get a better I/O ordering. It would be very useful to have an elevator based workqueue implementation for this, as that would automatically deal with the read I/O cases at the same time. This patch is my answer to Andrew Morton's remark, made during the initial review of GFS2, asking why GFS2 needs so many kernel threads, the answer being that it doesn't :-) This patch is a net loss of about 200 lines of code. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile index ec65851..c1b4ec6a 100644 --- a/fs/gfs2/Makefile +++ b/fs/gfs2/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_GFS2_FS) += gfs2.o -gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \ +gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \ glops.o inode.o log.o lops.o locking.o main.o meta_io.o \ mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \ ops_fstype.o ops_inode.o ops_super.o quota.o \ diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c deleted file mode 100644 index 2662df0..0000000 --- a/fs/gfs2/daemon.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "gfs2.h" -#include "incore.h" -#include "daemon.h" -#include "glock.h" -#include "log.h" -#include "recovery.h" -#include "super.h" -#include "util.h" - -/* This uses schedule_timeout() instead of msleep() because it's good for - the daemons to wake up more often than the timeout when unmounting so - the user's unmount doesn't sit there forever. - - The kthread functions used to start these daemons block and flush signals. */ - -/** - * gfs2_glockd - Reclaim unused glock structures - * @sdp: Pointer to GFS2 superblock - * - * One or more of these daemons run, reclaiming glocks on sd_reclaim_list. - * Number of daemons can be set by user, with num_glockd mount option. - */ - -int gfs2_glockd(void *data) -{ - struct gfs2_sbd *sdp = data; - - while (!kthread_should_stop()) { - while (atomic_read(&sdp->sd_reclaim_count)) - gfs2_reclaim_glock(sdp); - - wait_event_interruptible(sdp->sd_reclaim_wq, - (atomic_read(&sdp->sd_reclaim_count) || - kthread_should_stop())); - if (freezing(current)) - refrigerator(); - } - - return 0; -} - diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h deleted file mode 100644 index 5258954..0000000 --- a/fs/gfs2/daemon.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. - * - * This copyrighted material is made available to anyone wishing to use, - * modify, copy, or redistribute it subject to the terms and conditions - * of the GNU General Public License version 2. - */ - -#ifndef __DAEMON_DOT_H__ -#define __DAEMON_DOT_H__ - -int gfs2_glockd(void *data); - -#endif /* __DAEMON_DOT_H__ */ diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 4ddf3bd..07ffc81 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -62,9 +62,10 @@ static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int static DECLARE_RWSEM(gfs2_umount_flush_sem); static struct dentry *gfs2_root; -static struct task_struct *scand_process; -static unsigned int scand_secs = 5; static struct workqueue_struct *glock_workqueue; +static LIST_HEAD(lru_list); +static atomic_t lru_count = ATOMIC_INIT(0); +static spinlock_t lru_lock = SPIN_LOCK_UNLOCKED; #define GFS2_GL_HASH_SHIFT 15 #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) @@ -175,6 +176,22 @@ static void gfs2_glock_hold(struct gfs2_glock *gl) } /** + * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list + * @gl: the glock + * + */ + +static void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl) +{ + spin_lock(&lru_lock); + if (list_empty(&gl->gl_lru) && gl->gl_state != LM_ST_UNLOCKED) { + list_add_tail(&gl->gl_lru, &lru_list); + atomic_inc(&lru_count); + } + spin_unlock(&lru_lock); +} + +/** * gfs2_glock_put() - Decrement reference count on glock * @gl: The glock to put * @@ -188,14 +205,23 @@ int gfs2_glock_put(struct gfs2_glock *gl) if (atomic_dec_and_test(&gl->gl_ref)) { hlist_del(&gl->gl_list); write_unlock(gl_lock_addr(gl->gl_hash)); + spin_lock(&lru_lock); + if (!list_empty(&gl->gl_lru)) { + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); + } + spin_unlock(&lru_lock); GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_UNLOCKED); - GLOCK_BUG_ON(gl, !list_empty(&gl->gl_reclaim)); + GLOCK_BUG_ON(gl, !list_empty(&gl->gl_lru)); GLOCK_BUG_ON(gl, !list_empty(&gl->gl_holders)); glock_free(gl); rv = 1; goto out; } write_unlock(gl_lock_addr(gl->gl_hash)); + /* 1 for being hashed, 1 for having state != LM_ST_UNLOCKED */ + if (atomic_read(&gl->gl_ref) == 2) + gfs2_glock_schedule_for_reclaim(gl); out: return rv; } @@ -837,7 +863,7 @@ static void wait_on_demote(struct gfs2_glock *gl) */ static void handle_callback(struct gfs2_glock *gl, unsigned int state, - int remote, unsigned long delay) + unsigned long delay) { int bit = delay ? GLF_PENDING_DEMOTE : GLF_DEMOTE; @@ -845,9 +871,6 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state, if (gl->gl_demote_state == LM_ST_EXCLUSIVE) { gl->gl_demote_state = state; gl->gl_demote_time = jiffies; - if (remote && gl->gl_ops->go_type == LM_TYPE_IOPEN && - gl->gl_object) - gfs2_glock_schedule_for_reclaim(gl); } else if (gl->gl_demote_state != LM_ST_UNLOCKED && gl->gl_demote_state != state) { gl->gl_demote_state = LM_ST_UNLOCKED; @@ -1017,7 +1040,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh) spin_lock(&gl->gl_spin); if (gh->gh_flags & GL_NOCACHE) - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); + handle_callback(gl, LM_ST_UNLOCKED, 0); list_del_init(&gh->gh_list); if (find_first_holder(gl) == NULL) { @@ -1288,7 +1311,7 @@ static void blocking_cb(struct gfs2_sbd *sdp, struct lm_lockname *name, delay = gl->gl_ops->go_min_hold_time; spin_lock(&gl->gl_spin); - handle_callback(gl, state, 1, delay); + handle_callback(gl, state, delay); spin_unlock(&gl->gl_spin); if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0) gfs2_glock_put(gl); @@ -1357,80 +1380,83 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data) * Returns: 1 if it's ok */ -static int demote_ok(struct gfs2_glock *gl) +static int demote_ok(const struct gfs2_glock *gl) { const struct gfs2_glock_operations *glops = gl->gl_ops; - int demote = 1; - - if (test_bit(GLF_STICKY, &gl->gl_flags)) - demote = 0; - else if (glops->go_demote_ok) - demote = glops->go_demote_ok(gl); - - return demote; -} -/** - * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list - * @gl: the glock - * - */ - -void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl) -{ - struct gfs2_sbd *sdp = gl->gl_sbd; - - spin_lock(&sdp->sd_reclaim_lock); - if (list_empty(&gl->gl_reclaim)) { - gfs2_glock_hold(gl); - list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list); - atomic_inc(&sdp->sd_reclaim_count); - spin_unlock(&sdp->sd_reclaim_lock); - wake_up(&sdp->sd_reclaim_wq); - } else - spin_unlock(&sdp->sd_reclaim_lock); + if (gl->gl_state == LM_ST_UNLOCKED) + return 0; + if (!list_empty(&gl->gl_holders)) + return 0; + if (glops->go_demote_ok) + return glops->go_demote_ok(gl); + return 1; } -/** - * gfs2_reclaim_glock - process the next glock on the filesystem's reclaim list - * @sdp: the filesystem - * - * Called from gfs2_glockd() glock reclaim daemon, or when promoting a - * different glock and we notice that there are a lot of glocks in the - * reclaim list. - * - */ -void gfs2_reclaim_glock(struct gfs2_sbd *sdp) +static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask) { struct gfs2_glock *gl; - int done_callback = 0; + int may_demote; + int nr_skipped = 0; + int got_ref = 0; + LIST_HEAD(skipped); - spin_lock(&sdp->sd_reclaim_lock); - if (list_empty(&sdp->sd_reclaim_list)) { - spin_unlock(&sdp->sd_reclaim_lock); - return; - } - gl = list_entry(sdp->sd_reclaim_list.next, - struct gfs2_glock, gl_reclaim); - list_del_init(&gl->gl_reclaim); - spin_unlock(&sdp->sd_reclaim_lock); + if (nr == 0) + goto out; - atomic_dec(&sdp->sd_reclaim_count); - atomic_inc(&sdp->sd_reclaimed); + if (!(gfp_mask & __GFP_FS)) + return -1; - spin_lock(&gl->gl_spin); - if (find_first_holder(gl) == NULL && - gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) { - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); - done_callback = 1; + spin_lock(&lru_lock); + while(nr && !list_empty(&lru_list)) { + gl = list_entry(lru_list.next, struct gfs2_glock, gl_lru); + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); + + /* Test for being demotable */ + if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) { + gfs2_glock_hold(gl); + got_ref = 1; + spin_unlock(&lru_lock); + spin_lock(&gl->gl_spin); + may_demote = demote_ok(gl); + spin_unlock(&gl->gl_spin); + clear_bit(GLF_LOCK, &gl->gl_flags); + if (may_demote) { + handle_callback(gl, LM_ST_UNLOCKED, 0); + nr--; + if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) + gfs2_glock_put(gl); + } + spin_lock(&lru_lock); + if (may_demote) + continue; + } + if (list_empty(&gl->gl_lru) && + (atomic_read(&gl->gl_ref) <= (2 + got_ref))) { + nr_skipped++; + list_add(&gl->gl_lru, &skipped); + } + if (got_ref) { + spin_unlock(&lru_lock); + gfs2_glock_put(gl); + spin_lock(&lru_lock); + got_ref = 0; + } } - spin_unlock(&gl->gl_spin); - if (!done_callback || - queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) - gfs2_glock_put(gl); + list_splice(&skipped, &lru_list); + atomic_add(nr_skipped, &lru_count); + spin_unlock(&lru_lock); +out: + return (atomic_read(&lru_count) / 100) * sysctl_vfs_cache_pressure; } +static struct shrinker glock_shrinker = { + .shrink = gfs2_shrink_glock_memory, + .seeks = DEFAULT_SEEKS, +}; + /** * examine_bucket - Call a function for glock in a hash bucket * @examiner: the function @@ -1476,26 +1502,6 @@ out: } /** - * scan_glock - look at a glock and see if we can reclaim it - * @gl: the glock to look at - * - */ - -static void scan_glock(struct gfs2_glock *gl) -{ - if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object) - return; - if (test_bit(GLF_LOCK, &gl->gl_flags)) - return; - - spin_lock(&gl->gl_spin); - if (find_first_holder(gl) == NULL && - gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) - gfs2_glock_schedule_for_reclaim(gl); - spin_unlock(&gl->gl_spin); -} - -/** * clear_glock - look at a glock and see if we can free it from glock cache * @gl: the glock to look at * @@ -1503,23 +1509,16 @@ static void scan_glock(struct gfs2_glock *gl) static void clear_glock(struct gfs2_glock *gl) { - struct gfs2_sbd *sdp = gl->gl_sbd; - int released; - - spin_lock(&sdp->sd_reclaim_lock); - if (!list_empty(&gl->gl_reclaim)) { - list_del_init(&gl->gl_reclaim); - atomic_dec(&sdp->sd_reclaim_count); - spin_unlock(&sdp->sd_reclaim_lock); - released = gfs2_glock_put(gl); - gfs2_assert(sdp, !released); - } else { - spin_unlock(&sdp->sd_reclaim_lock); + spin_lock(&lru_lock); + if (!list_empty(&gl->gl_lru)) { + list_del_init(&gl->gl_lru); + atomic_dec(&lru_count); } + spin_unlock(&lru_lock); spin_lock(&gl->gl_spin); if (find_first_holder(gl) == NULL && gl->gl_state != LM_ST_UNLOCKED) - handle_callback(gl, LM_ST_UNLOCKED, 0, 0); + handle_callback(gl, LM_ST_UNLOCKED, 0); spin_unlock(&gl->gl_spin); gfs2_glock_hold(gl); if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) @@ -1656,8 +1655,6 @@ static const char *gflags2str(char *buf, const unsigned long *gflags) char *p = buf; if (test_bit(GLF_LOCK, gflags)) *p++ = 'l'; - if (test_bit(GLF_STICKY, gflags)) - *p++ = 's'; if (test_bit(GLF_DEMOTE, gflags)) *p++ = 'D'; if (test_bit(GLF_PENDING_DEMOTE, gflags)) @@ -1776,34 +1773,6 @@ static int gfs2_dump_lockstate(struct gfs2_sbd *sdp) return error; } -/** - * gfs2_scand - Look for cached glocks and inodes to toss from memory - * @sdp: Pointer to GFS2 superblock - * - * One of these daemons runs, finding candidates to add to sd_reclaim_list. - * See gfs2_glockd() - */ - -static int gfs2_scand(void *data) -{ - unsigned x; - unsigned delay; - - while (!kthread_should_stop()) { - for (x = 0; x < GFS2_GL_HASH_SIZE; x++) - examine_bucket(scan_glock, NULL, x); - if (freezing(current)) - refrigerator(); - delay = scand_secs; - if (delay < 1) - delay = 1; - schedule_timeout_interruptible(delay * HZ); - } - - return 0; -} - - int __init gfs2_glock_init(void) { @@ -1817,28 +1786,21 @@ int __init gfs2_glock_init(void) } #endif - scand_process = kthread_run(gfs2_scand, NULL, "gfs2_scand"); - if (IS_ERR(scand_process)) - return PTR_ERR(scand_process); - glock_workqueue = create_workqueue("glock_workqueue"); - if (IS_ERR(glock_workqueue)) { - kthread_stop(scand_process); + if (IS_ERR(glock_workqueue)) return PTR_ERR(glock_workqueue); - } + + register_shrinker(&glock_shrinker); return 0; } void gfs2_glock_exit(void) { + unregister_shrinker(&glock_shrinker); destroy_workqueue(glock_workqueue); - kthread_stop(scand_process); } -module_param(scand_secs, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(scand_secs, "The number of seconds between scand runs"); - static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi) { struct gfs2_glock *gl; diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 13a64ee..543ec7e 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -129,7 +129,6 @@ int gfs2_lvb_hold(struct gfs2_glock *gl); void gfs2_lvb_unhold(struct gfs2_glock *gl); void gfs2_glock_cb(void *cb_data, unsigned int type, void *data); -void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl); void gfs2_reclaim_glock(struct gfs2_sbd *sdp); void gfs2_gl_hash_clear(struct gfs2_sbd *sdp); void gfs2_glock_finish_truncate(struct gfs2_inode *ip); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 8ebff8e..8522d3a 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -201,19 +201,12 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags) * Returns: 1 if it's ok */ -static int inode_go_demote_ok(struct gfs2_glock *gl) +static int inode_go_demote_ok(const struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_sbd; - int demote = 0; - - if (!gl->gl_object && !gl->gl_aspace->i_mapping->nrpages) - demote = 1; - else if (!sdp->sd_args.ar_localcaching && - time_after_eq(jiffies, gl->gl_stamp + - gfs2_tune_get(sdp, gt_demote_secs) * HZ)) - demote = 1; - - return demote; + if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object) + return 0; + return 1; } /** @@ -284,7 +277,7 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl) * Returns: 1 if it's ok */ -static int rgrp_go_demote_ok(struct gfs2_glock *gl) +static int rgrp_go_demote_ok(const struct gfs2_glock *gl) { return !gl->gl_aspace->i_mapping->nrpages; } @@ -386,13 +379,25 @@ static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh) } /** + * trans_go_demote_ok + * @gl: the glock + * + * Always returns 0 + */ + +static int trans_go_demote_ok(const struct gfs2_glock *gl) +{ + return 0; +} + +/** * quota_go_demote_ok - Check to see if it's ok to unlock a quota glock * @gl: the glock * * Returns: 1 if it's ok */ -static int quota_go_demote_ok(struct gfs2_glock *gl) +static int quota_go_demote_ok(const struct gfs2_glock *gl) { return !atomic_read(&gl->gl_lvb_count); } @@ -426,6 +431,7 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = { const struct gfs2_glock_operations gfs2_trans_glops = { .go_xmote_th = trans_go_sync, .go_xmote_bh = trans_go_xmote_bh, + .go_demote_ok = trans_go_demote_ok, .go_type = LM_TYPE_NONDISK, }; diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index dd7d0f8..608849d 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -125,7 +125,7 @@ struct gfs2_glock_operations { void (*go_xmote_th) (struct gfs2_glock *gl); int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh); void (*go_inval) (struct gfs2_glock *gl, int flags); - int (*go_demote_ok) (struct gfs2_glock *gl); + int (*go_demote_ok) (const struct gfs2_glock *gl); int (*go_lock) (struct gfs2_holder *gh); void (*go_unlock) (struct gfs2_holder *gh); int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); @@ -155,7 +155,6 @@ struct gfs2_holder { enum { GLF_LOCK = 1, - GLF_STICKY = 2, GLF_DEMOTE = 3, GLF_PENDING_DEMOTE = 4, GLF_DEMOTE_IN_PROGRESS = 5, @@ -190,7 +189,7 @@ struct gfs2_glock { unsigned long gl_tchange; void *gl_object; - struct list_head gl_reclaim; + struct list_head gl_lru; struct gfs2_sbd *gl_sbd; @@ -397,7 +396,6 @@ struct gfs2_args { struct gfs2_tune { spinlock_t gt_spin; - unsigned int gt_demote_secs; /* Cache retention for unheld glock */ unsigned int gt_incore_log_blocks; unsigned int gt_log_flush_secs; @@ -478,10 +476,6 @@ struct gfs2_sbd { /* Lock Stuff */ struct lm_lockstruct sd_lockstruct; - struct list_head sd_reclaim_list; - spinlock_t sd_reclaim_lock; - wait_queue_head_t sd_reclaim_wq; - atomic_t sd_reclaim_count; struct gfs2_holder sd_live_gh; struct gfs2_glock *sd_rename_gl; struct gfs2_glock *sd_trans_gl; @@ -541,8 +535,6 @@ struct gfs2_sbd { struct task_struct *sd_recoverd_process; struct task_struct *sd_logd_process; struct task_struct *sd_quotad_process; - struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; - unsigned int sd_glockd_num; /* Quota stuff */ @@ -615,10 +607,6 @@ struct gfs2_sbd { struct mutex sd_freeze_lock; unsigned int sd_freeze_count; - /* Counters */ - - atomic_t sd_reclaimed; - char sd_fsname[GFS2_FSNAME_LEN]; char sd_table_name[GFS2_FSNAME_LEN]; char sd_proto_name[GFS2_FSNAME_LEN]; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 97d3ce65..3b87c18 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -386,7 +386,6 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip) gfs2_free_di(rgd, ip); gfs2_trans_end(sdp); - clear_bit(GLF_STICKY, &ip->i_gl->gl_flags); out_rg_gunlock: gfs2_glock_dq_uninit(&al->al_rgd_gh); diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index cf39295..7cacfde 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -43,7 +43,7 @@ static void gfs2_init_glock_once(void *foo) INIT_LIST_HEAD(&gl->gl_holders); gl->gl_lvb = NULL; atomic_set(&gl->gl_lvb_count, 0); - INIT_LIST_HEAD(&gl->gl_reclaim); + INIT_LIST_HEAD(&gl->gl_lru); INIT_LIST_HEAD(&gl->gl_ail_list); atomic_set(&gl->gl_ail_count, 0); } diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index f96eb90..8c0f16e 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -32,7 +32,6 @@ enum { Opt_debug, Opt_nodebug, Opt_upgrade, - Opt_num_glockd, Opt_acl, Opt_noacl, Opt_quota_off, @@ -57,7 +56,6 @@ static const match_table_t tokens = { {Opt_debug, "debug"}, {Opt_nodebug, "nodebug"}, {Opt_upgrade, "upgrade"}, - {Opt_num_glockd, "num_glockd=%d"}, {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, {Opt_quota_off, "quota=off"}, @@ -96,7 +94,6 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) spin_unlock(&gfs2_sys_margs_lock); /* Set some defaults */ - args->ar_num_glockd = GFS2_GLOCKD_DEFAULT; args->ar_quota = GFS2_QUOTA_DEFAULT; args->ar_data = GFS2_DATA_DEFAULT; } @@ -105,7 +102,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) process them */ for (options = data; (o = strsep(&options, ",")); ) { - int token, option; + int token; substring_t tmp[MAX_OPT_ARGS]; if (!*o) @@ -196,22 +193,6 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) goto cant_remount; args->ar_upgrade = 1; break; - case Opt_num_glockd: - if ((error = match_int(&tmp[0], &option))) { - fs_info(sdp, "problem getting num_glockd\n"); - goto out_error; - } - - if (remount && option != args->ar_num_glockd) - goto cant_remount; - if (!option || option > GFS2_GLOCKD_MAX) { - fs_info(sdp, "0 < num_glockd <= %u (not %u)\n", - GFS2_GLOCKD_MAX, option); - error = -EINVAL; - goto out_error; - } - args->ar_num_glockd = option; - break; case Opt_acl: args->ar_posix_acl = 1; sdp->sd_vfs->s_flags |= MS_POSIXACL; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index d159e7e..fc300ea 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -22,7 +22,6 @@ #include "gfs2.h" #include "incore.h" #include "bmap.h" -#include "daemon.h" #include "glock.h" #include "glops.h" #include "inode.h" @@ -56,7 +55,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt) { spin_lock_init(>->gt_spin); - gt->gt_demote_secs = 300; gt->gt_incore_log_blocks = 1024; gt->gt_log_flush_secs = 60; gt->gt_recoverd_secs = 60; @@ -88,10 +86,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) gfs2_tune_init(&sdp->sd_tune); - INIT_LIST_HEAD(&sdp->sd_reclaim_list); - spin_lock_init(&sdp->sd_reclaim_lock); - init_waitqueue_head(&sdp->sd_reclaim_wq); - mutex_init(&sdp->sd_inum_mutex); spin_lock_init(&sdp->sd_statfs_spin); @@ -443,24 +437,11 @@ out: static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, int undo) { - struct task_struct *p; int error = 0; if (undo) goto fail_trans; - for (sdp->sd_glockd_num = 0; - sdp->sd_glockd_num < sdp->sd_args.ar_num_glockd; - sdp->sd_glockd_num++) { - p = kthread_run(gfs2_glockd, sdp, "gfs2_glockd"); - error = IS_ERR(p); - if (error) { - fs_err(sdp, "can't start glockd thread: %d\n", error); - goto fail; - } - sdp->sd_glockd_process[sdp->sd_glockd_num] = p; - } - error = gfs2_glock_nq_num(sdp, GFS2_MOUNT_LOCK, &gfs2_nondisk_glops, LM_ST_EXCLUSIVE, LM_FLAG_NOEXP | GL_NOCACHE, @@ -493,7 +474,6 @@ static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh, fs_err(sdp, "can't create transaction glock: %d\n", error); goto fail_rename; } - set_bit(GLF_STICKY, &sdp->sd_trans_gl->gl_flags); return 0; @@ -506,9 +486,6 @@ fail_live: fail_mount: gfs2_glock_dq_uninit(mount_gh); fail: - while (sdp->sd_glockd_num--) - kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]); - return error; } @@ -681,7 +658,6 @@ static int init_journal(struct gfs2_sbd *sdp, int undo) return PTR_ERR(sdp->sd_jindex); } ip = GFS2_I(sdp->sd_jindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); /* Load in the journal index special file */ @@ -832,7 +808,6 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo) goto fail_statfs; } ip = GFS2_I(sdp->sd_rindex); - set_bit(GLF_STICKY, &ip->i_gl->gl_flags); sdp->sd_rindex_uptodate = 0; /* Read in the quota inode */ diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index ad36af2..29f8a5c 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -142,8 +142,6 @@ static void gfs2_put_super(struct super_block *sb) kthread_stop(sdp->sd_quotad_process); kthread_stop(sdp->sd_logd_process); kthread_stop(sdp->sd_recoverd_process); - while (sdp->sd_glockd_num--) - kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]); if (!(sb->s_flags & MS_RDONLY)) { error = gfs2_make_fs_ro(sdp); @@ -369,7 +367,6 @@ static void gfs2_clear_inode(struct inode *inode) */ if (test_bit(GIF_USER, &ip->i_flags)) { ip->i_gl->gl_object = NULL; - gfs2_glock_schedule_for_reclaim(ip->i_gl); gfs2_glock_put(ip->i_gl); ip->i_gl = NULL; if (ip->i_iopen_gh.gh_gl) { @@ -422,8 +419,6 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) seq_printf(s, ",debug"); if (args->ar_upgrade) seq_printf(s, ",upgrade"); - if (args->ar_num_glockd != GFS2_GLOCKD_DEFAULT) - seq_printf(s, ",num_glockd=%u", args->ar_num_glockd); if (args->ar_posix_acl) seq_printf(s, ",acl"); if (args->ar_quota != GFS2_QUOTA_DEFAULT) { diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 59e36fd..67ba5b7 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -263,7 +263,6 @@ ARGS_ATTR(localcaching, "%d\n"); ARGS_ATTR(localflocks, "%d\n"); ARGS_ATTR(debug, "%d\n"); ARGS_ATTR(upgrade, "%d\n"); -ARGS_ATTR(num_glockd, "%u\n"); ARGS_ATTR(posix_acl, "%d\n"); ARGS_ATTR(quota, "%u\n"); ARGS_ATTR(suiddir, "%d\n"); @@ -279,7 +278,6 @@ static struct attribute *args_attrs[] = { &args_attr_localflocks.attr, &args_attr_debug.attr, &args_attr_upgrade.attr, - &args_attr_num_glockd.attr, &args_attr_posix_acl.attr, &args_attr_quota.attr, &args_attr_suiddir.attr, @@ -288,30 +286,6 @@ static struct attribute *args_attrs[] = { }; /* - * display counters from superblock - */ - -struct counters_attr { - struct attribute attr; - ssize_t (*show)(struct gfs2_sbd *, char *); -}; - -#define COUNTERS_ATTR(name, fmt) \ -static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \ -{ \ - return snprintf(buf, PAGE_SIZE, fmt, \ - (unsigned int)atomic_read(&sdp->sd_##name)); \ -} \ -static struct counters_attr counters_attr_##name = __ATTR_RO(name) - -COUNTERS_ATTR(reclaimed, "%u\n"); - -static struct attribute *counters_attrs[] = { - &counters_attr_reclaimed.attr, - NULL, -}; - -/* * get and set struct gfs2_tune fields */ @@ -393,7 +367,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ } \ TUNE_ATTR_2(name, name##_store) -TUNE_ATTR(demote_secs, 0); TUNE_ATTR(incore_log_blocks, 0); TUNE_ATTR(log_flush_secs, 0); TUNE_ATTR(quota_warn_period, 0); @@ -411,7 +384,6 @@ TUNE_ATTR_DAEMON(logd_secs, logd_process); TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); static struct attribute *tune_attrs[] = { - &tune_attr_demote_secs.attr, &tune_attr_incore_log_blocks.attr, &tune_attr_log_flush_secs.attr, &tune_attr_quota_warn_period.attr, @@ -435,11 +407,6 @@ static struct attribute_group lockstruct_group = { .attrs = lockstruct_attrs, }; -static struct attribute_group counters_group = { - .name = "counters", - .attrs = counters_attrs, -}; - static struct attribute_group args_group = { .name = "args", .attrs = args_attrs, @@ -464,13 +431,9 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) if (error) goto fail_reg; - error = sysfs_create_group(&sdp->sd_kobj, &counters_group); - if (error) - goto fail_lockstruct; - error = sysfs_create_group(&sdp->sd_kobj, &args_group); if (error) - goto fail_counters; + goto fail_lockstruct; error = sysfs_create_group(&sdp->sd_kobj, &tune_group); if (error) @@ -481,8 +444,6 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp) fail_args: sysfs_remove_group(&sdp->sd_kobj, &args_group); -fail_counters: - sysfs_remove_group(&sdp->sd_kobj, &counters_group); fail_lockstruct: sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); fail_reg: @@ -496,7 +457,6 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp) { sysfs_remove_group(&sdp->sd_kobj, &tune_group); sysfs_remove_group(&sdp->sd_kobj, &args_group); - sysfs_remove_group(&sdp->sd_kobj, &counters_group); sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group); kobject_put(&sdp->sd_kobj); } -- cgit v0.10.2 From fdd1062ebaa422c5684f97fa91da06f91167d76b Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 26 Nov 2008 10:26:38 +0000 Subject: GFS2: Send some sensible sysfs stuff We ought to inform the user of the locktable and lockproto for each uevent we generate. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c index 4ec571c..9b7edcf 100644 --- a/fs/gfs2/locking/dlm/sysfs.c +++ b/fs/gfs2/locking/dlm/sysfs.c @@ -195,9 +195,23 @@ void gdlm_kobject_release(struct gdlm_ls *ls) kobject_put(&ls->kobj); } +static int gdlm_uevent(struct kset *kset, struct kobject *kobj, + struct kobj_uevent_env *env) +{ + struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj); + add_uevent_var(env, "LOCKTABLE=%s:%s", ls->clustername, ls->fsname); + add_uevent_var(env, "LOCKPROTO=lock_dlm"); + return 0; +} + +static struct kset_uevent_ops gdlm_uevent_ops = { + .uevent = gdlm_uevent, +}; + + int gdlm_sysfs_init(void) { - gdlm_kset = kset_create_and_add("lock_dlm", NULL, kernel_kobj); + gdlm_kset = kset_create_and_add("lock_dlm", &gdlm_uevent_ops, kernel_kobj); if (!gdlm_kset) { printk(KERN_WARNING "%s: can not create kset\n", __func__); return -ENOMEM; diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 67ba5b7..298bcb6 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -461,11 +461,25 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp) kobject_put(&sdp->sd_kobj); } +static int gfs2_uevent(struct kset *kset, struct kobject *kobj, + struct kobj_uevent_env *env) +{ + struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj); + add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name); + add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name); + return 0; +} + +static struct kset_uevent_ops gfs2_uevent_ops = { + .uevent = gfs2_uevent, +}; + + int gfs2_sys_init(void) { gfs2_sys_margs = NULL; spin_lock_init(&gfs2_sys_margs_lock); - gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj); + gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj); if (!gfs2_kset) return -ENOMEM; return 0; -- cgit v0.10.2 From b52896813c2f16bcc5c5b67bb3c3f75bc084439b Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 26 Nov 2008 12:49:26 +0000 Subject: GFS2: Fix bug in gfs2_lock_fs_check_clean() gfs2_lock_fs_check_clean() should not be calling gfs2_jindex_hold() since it doesn't work like rindex hold, despite the comment. That allows gfs2_jindex_hold() to be moved into ops_fstype.c where it can be made static. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index 8a468ca..4f91944 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -11,6 +11,7 @@ #define __DIR_DOT_H__ #include +#include struct inode; struct gfs2_inode; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index fc300ea..4cae60f 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -33,6 +33,7 @@ #include "util.h" #include "log.h" #include "quota.h" +#include "dir.h" #define DO 0 #define UNDO 1 @@ -638,6 +639,72 @@ static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp) sdp->sd_lockstruct.ls_lockspace); } +/** + * gfs2_jindex_hold - Grab a lock on the jindex + * @sdp: The GFS2 superblock + * @ji_gh: the holder for the jindex glock + * + * Returns: errno + */ + +static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) +{ + struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex); + struct qstr name; + char buf[20]; + struct gfs2_jdesc *jd; + int error; + + name.name = buf; + + mutex_lock(&sdp->sd_jindex_mutex); + + for (;;) { + error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh); + if (error) + break; + + name.len = sprintf(buf, "journal%u", sdp->sd_journals); + name.hash = gfs2_disk_hash(name.name, name.len); + + error = gfs2_dir_check(sdp->sd_jindex, &name, NULL); + if (error == -ENOENT) { + error = 0; + break; + } + + gfs2_glock_dq_uninit(ji_gh); + + if (error) + break; + + error = -ENOMEM; + jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL); + if (!jd) + break; + + INIT_LIST_HEAD(&jd->extent_list); + jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1); + if (!jd->jd_inode || IS_ERR(jd->jd_inode)) { + if (!jd->jd_inode) + error = -ENOENT; + else + error = PTR_ERR(jd->jd_inode); + kfree(jd); + break; + } + + spin_lock(&sdp->sd_jindex_spin); + jd->jd_jid = sdp->sd_journals++; + list_add_tail(&jd->jd_list, &sdp->sd_jindex_list); + spin_unlock(&sdp->sd_jindex_spin); + } + + mutex_unlock(&sdp->sd_jindex_mutex); + + return error; +} + static int init_journal(struct gfs2_sbd *sdp, int undo) { struct inode *master = sdp->sd_master_dir->d_inode; diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index b858770..3dd9f578 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -34,76 +34,6 @@ #include "util.h" /** - * gfs2_jindex_hold - Grab a lock on the jindex - * @sdp: The GFS2 superblock - * @ji_gh: the holder for the jindex glock - * - * This is very similar to the gfs2_rindex_hold() function, except that - * in general we hold the jindex lock for longer periods of time and - * we grab it far less frequently (in general) then the rgrp lock. - * - * Returns: errno - */ - -int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) -{ - struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex); - struct qstr name; - char buf[20]; - struct gfs2_jdesc *jd; - int error; - - name.name = buf; - - mutex_lock(&sdp->sd_jindex_mutex); - - for (;;) { - error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh); - if (error) - break; - - name.len = sprintf(buf, "journal%u", sdp->sd_journals); - name.hash = gfs2_disk_hash(name.name, name.len); - - error = gfs2_dir_check(sdp->sd_jindex, &name, NULL); - if (error == -ENOENT) { - error = 0; - break; - } - - gfs2_glock_dq_uninit(ji_gh); - - if (error) - break; - - error = -ENOMEM; - jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL); - if (!jd) - break; - - INIT_LIST_HEAD(&jd->extent_list); - jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1); - if (!jd->jd_inode || IS_ERR(jd->jd_inode)) { - if (!jd->jd_inode) - error = -ENOENT; - else - error = PTR_ERR(jd->jd_inode); - kfree(jd); - break; - } - - spin_lock(&sdp->sd_jindex_spin); - jd->jd_jid = sdp->sd_journals++; - list_add_tail(&jd->jd_list, &sdp->sd_jindex_list); - spin_unlock(&sdp->sd_jindex_spin); - } - - mutex_unlock(&sdp->sd_jindex_mutex); - - return error; -} - -/** * gfs2_jindex_free - Clear all the journal index information * @sdp: The GFS2 superblock * @@ -580,10 +510,6 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp, struct gfs2_log_header_host lh; int error; - error = gfs2_jindex_hold(sdp, &ji_gh); - if (error) - return error; - list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { lfcc = kmalloc(sizeof(struct lfcc), GFP_KERNEL); if (!lfcc) { diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 1848dad..c625459 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -25,7 +25,6 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) return x; } -int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh); void gfs2_jindex_free(struct gfs2_sbd *sdp); struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); -- cgit v0.10.2 From 2bfb6449b7a1f29a2a63e1d869103b5811c3b69f Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 26 Nov 2008 13:30:49 +0000 Subject: GFS2: Move four functions from super.c The functions which are being moved can all be marked static in their new locations, since they only have a single caller each. Their new locations are more logical than before and some of the functions are small enough that the compiler might well inline them. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 07ffc81..6e298b0 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1317,6 +1317,20 @@ static void blocking_cb(struct gfs2_sbd *sdp, struct lm_lockname *name, gfs2_glock_put(gl); } +static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid) +{ + struct gfs2_jdesc *jd; + + spin_lock(&sdp->sd_jindex_spin); + list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { + if (jd->jd_jid != jid) + continue; + jd->jd_dirty = 1; + break; + } + spin_unlock(&sdp->sd_jindex_spin); +} + /** * gfs2_glock_cb - Callback used by locking module * @sdp: Pointer to the superblock diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 29f8a5c..08837a7 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -257,6 +257,137 @@ static void gfs2_unlockfs(struct super_block *sb) } /** + * statfs_fill - fill in the sg for a given RG + * @rgd: the RG + * @sc: the sc structure + * + * Returns: 0 on success, -ESTALE if the LVB is invalid + */ + +static int statfs_slow_fill(struct gfs2_rgrpd *rgd, + struct gfs2_statfs_change_host *sc) +{ + gfs2_rgrp_verify(rgd); + sc->sc_total += rgd->rd_data; + sc->sc_free += rgd->rd_free; + sc->sc_dinodes += rgd->rd_dinodes; + return 0; +} + +/** + * gfs2_statfs_slow - Stat a filesystem using asynchronous locking + * @sdp: the filesystem + * @sc: the sc info that will be returned + * + * Any error (other than a signal) will cause this routine to fall back + * to the synchronous version. + * + * FIXME: This really shouldn't busy wait like this. + * + * Returns: errno + */ + +static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) +{ + struct gfs2_holder ri_gh; + struct gfs2_rgrpd *rgd_next; + struct gfs2_holder *gha, *gh; + unsigned int slots = 64; + unsigned int x; + int done; + int error = 0, err; + + memset(sc, 0, sizeof(struct gfs2_statfs_change_host)); + gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL); + if (!gha) + return -ENOMEM; + + error = gfs2_rindex_hold(sdp, &ri_gh); + if (error) + goto out; + + rgd_next = gfs2_rgrpd_get_first(sdp); + + for (;;) { + done = 1; + + for (x = 0; x < slots; x++) { + gh = gha + x; + + if (gh->gh_gl && gfs2_glock_poll(gh)) { + err = gfs2_glock_wait(gh); + if (err) { + gfs2_holder_uninit(gh); + error = err; + } else { + if (!error) + error = statfs_slow_fill( + gh->gh_gl->gl_object, sc); + gfs2_glock_dq_uninit(gh); + } + } + + if (gh->gh_gl) + done = 0; + else if (rgd_next && !error) { + error = gfs2_glock_nq_init(rgd_next->rd_gl, + LM_ST_SHARED, + GL_ASYNC, + gh); + rgd_next = gfs2_rgrpd_get_next(rgd_next); + done = 0; + } + + if (signal_pending(current)) + error = -ERESTARTSYS; + } + + if (done) + break; + + yield(); + } + + gfs2_glock_dq_uninit(&ri_gh); + +out: + kfree(gha); + return error; +} + +/** + * gfs2_statfs_i - Do a statfs + * @sdp: the filesystem + * @sg: the sg structure + * + * Returns: errno + */ + +static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) +{ + struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; + + spin_lock(&sdp->sd_statfs_spin); + + *sc = *m_sc; + sc->sc_total += l_sc->sc_total; + sc->sc_free += l_sc->sc_free; + sc->sc_dinodes += l_sc->sc_dinodes; + + spin_unlock(&sdp->sd_statfs_spin); + + if (sc->sc_free < 0) + sc->sc_free = 0; + if (sc->sc_free > sc->sc_total) + sc->sc_free = sc->sc_total; + if (sc->sc_dinodes < 0) + sc->sc_dinodes = 0; + + return 0; +} + +/** * gfs2_statfs - Gather and return stats about the filesystem * @sb: The superblock * @statfsbuf: The buffer diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index b56ba3d..efd09c3 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -585,6 +585,28 @@ fail: return error; } +static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp) +{ + struct gfs2_jdesc *jd; + int found = 0; + + spin_lock(&sdp->sd_jindex_spin); + + list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { + if (jd->jd_dirty) { + jd->jd_dirty = 0; + found = 1; + break; + } + } + spin_unlock(&sdp->sd_jindex_spin); + + if (!found) + jd = NULL; + + return jd; +} + /** * gfs2_check_journals - Recover any dirty journals * @sdp: the filesystem diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 3dd9f578..141b781 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -96,39 +96,6 @@ struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid) return jd; } -void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid) -{ - struct gfs2_jdesc *jd; - - spin_lock(&sdp->sd_jindex_spin); - jd = jdesc_find_i(&sdp->sd_jindex_list, jid); - if (jd) - jd->jd_dirty = 1; - spin_unlock(&sdp->sd_jindex_spin); -} - -struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp) -{ - struct gfs2_jdesc *jd; - int found = 0; - - spin_lock(&sdp->sd_jindex_spin); - - list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) { - if (jd->jd_dirty) { - jd->jd_dirty = 0; - found = 1; - break; - } - } - spin_unlock(&sdp->sd_jindex_spin); - - if (!found) - jd = NULL; - - return jd; -} - int gfs2_jdesc_check(struct gfs2_jdesc *jd) { struct gfs2_inode *ip = GFS2_I(jd->jd_inode); @@ -353,137 +320,6 @@ out: return error; } -/** - * gfs2_statfs_i - Do a statfs - * @sdp: the filesystem - * @sg: the sg structure - * - * Returns: errno - */ - -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) -{ - struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; - struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; - - spin_lock(&sdp->sd_statfs_spin); - - *sc = *m_sc; - sc->sc_total += l_sc->sc_total; - sc->sc_free += l_sc->sc_free; - sc->sc_dinodes += l_sc->sc_dinodes; - - spin_unlock(&sdp->sd_statfs_spin); - - if (sc->sc_free < 0) - sc->sc_free = 0; - if (sc->sc_free > sc->sc_total) - sc->sc_free = sc->sc_total; - if (sc->sc_dinodes < 0) - sc->sc_dinodes = 0; - - return 0; -} - -/** - * statfs_fill - fill in the sg for a given RG - * @rgd: the RG - * @sc: the sc structure - * - * Returns: 0 on success, -ESTALE if the LVB is invalid - */ - -static int statfs_slow_fill(struct gfs2_rgrpd *rgd, - struct gfs2_statfs_change_host *sc) -{ - gfs2_rgrp_verify(rgd); - sc->sc_total += rgd->rd_data; - sc->sc_free += rgd->rd_free; - sc->sc_dinodes += rgd->rd_dinodes; - return 0; -} - -/** - * gfs2_statfs_slow - Stat a filesystem using asynchronous locking - * @sdp: the filesystem - * @sc: the sc info that will be returned - * - * Any error (other than a signal) will cause this routine to fall back - * to the synchronous version. - * - * FIXME: This really shouldn't busy wait like this. - * - * Returns: errno - */ - -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) -{ - struct gfs2_holder ri_gh; - struct gfs2_rgrpd *rgd_next; - struct gfs2_holder *gha, *gh; - unsigned int slots = 64; - unsigned int x; - int done; - int error = 0, err; - - memset(sc, 0, sizeof(struct gfs2_statfs_change_host)); - gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL); - if (!gha) - return -ENOMEM; - - error = gfs2_rindex_hold(sdp, &ri_gh); - if (error) - goto out; - - rgd_next = gfs2_rgrpd_get_first(sdp); - - for (;;) { - done = 1; - - for (x = 0; x < slots; x++) { - gh = gha + x; - - if (gh->gh_gl && gfs2_glock_poll(gh)) { - err = gfs2_glock_wait(gh); - if (err) { - gfs2_holder_uninit(gh); - error = err; - } else { - if (!error) - error = statfs_slow_fill( - gh->gh_gl->gl_object, sc); - gfs2_glock_dq_uninit(gh); - } - } - - if (gh->gh_gl) - done = 0; - else if (rgd_next && !error) { - error = gfs2_glock_nq_init(rgd_next->rd_gl, - LM_ST_SHARED, - GL_ASYNC, - gh); - rgd_next = gfs2_rgrpd_get_next(rgd_next); - done = 0; - } - - if (signal_pending(current)) - error = -ERESTARTSYS; - } - - if (done) - break; - - yield(); - } - - gfs2_glock_dq_uninit(&ri_gh); - -out: - kfree(gha); - return error; -} - struct lfcc { struct list_head list; struct gfs2_holder gh; diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index c625459..f6b8b00 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -28,8 +28,6 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) void gfs2_jindex_free(struct gfs2_sbd *sdp); struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); -void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid); -struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp); int gfs2_jdesc_check(struct gfs2_jdesc *jd); int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, @@ -41,8 +39,6 @@ int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, s64 dinodes); int gfs2_statfs_sync(struct gfs2_sbd *sdp); -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); int gfs2_freeze_fs(struct gfs2_sbd *sdp); void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); -- cgit v0.10.2 From 2e204703a1161e9bae38ba0d3d0df04a679e6f4f Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 26 Nov 2008 14:01:26 +0000 Subject: GFS2: Remove ancient, unused code Remove code that used to have something to do with initrd but has been unused for a long time. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c index 8c0f16e..3cb0a44 100644 --- a/fs/gfs2/mount.c +++ b/fs/gfs2/mount.c @@ -85,14 +85,6 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount) int error = 0; if (!remount) { - /* If someone preloaded options, use those instead */ - spin_lock(&gfs2_sys_margs_lock); - if (gfs2_sys_margs) { - data = gfs2_sys_margs; - gfs2_sys_margs = NULL; - } - spin_unlock(&gfs2_sys_margs_lock); - /* Set some defaults */ args->ar_quota = GFS2_QUOTA_DEFAULT; args->ar_data = GFS2_DATA_DEFAULT; diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 298bcb6..26c1fa7 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -26,9 +26,6 @@ #include "quota.h" #include "util.h" -char *gfs2_sys_margs; -spinlock_t gfs2_sys_margs_lock; - static ssize_t id_show(struct gfs2_sbd *sdp, char *buf) { return snprintf(buf, PAGE_SIZE, "%u:%u\n", @@ -477,8 +474,6 @@ static struct kset_uevent_ops gfs2_uevent_ops = { int gfs2_sys_init(void) { - gfs2_sys_margs = NULL; - spin_lock_init(&gfs2_sys_margs_lock); gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj); if (!gfs2_kset) return -ENOMEM; @@ -487,7 +482,6 @@ int gfs2_sys_init(void) void gfs2_sys_uninit(void) { - kfree(gfs2_sys_margs); kset_unregister(gfs2_kset); } diff --git a/fs/gfs2/sys.h b/fs/gfs2/sys.h index 1ca8cda..e94560e 100644 --- a/fs/gfs2/sys.h +++ b/fs/gfs2/sys.h @@ -13,10 +13,6 @@ #include struct gfs2_sbd; -/* Allow args to be passed to GFS2 when using an initial ram disk */ -extern char *gfs2_sys_margs; -extern spinlock_t gfs2_sys_margs_lock; - int gfs2_sys_fs_add(struct gfs2_sbd *sdp); void gfs2_sys_fs_del(struct gfs2_sbd *sdp); -- cgit v0.10.2 From 3af165ac4d099385b12e3e75a9ee3ffd02da33e0 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 27 Nov 2008 08:27:28 +0000 Subject: GFS2: Fix use-after-free bug on umount There was a use-after-free with the GFS2 super block during umount. This patch moves almost all of the umount code from ->put_super into ->kill_sb, the only bit that cannot be moved being the glock hash clearing which has to remain as ->put_super due to umount ordering requirements. As a result its now obvious that the kfree is the final operation, whereas before it was hidden in ->put_super. Also gfs2_jindex_free is then only referenced from a single file so thats moved and marked static too. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 6e298b0..5eae62e 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1547,8 +1547,9 @@ static void clear_glock(struct gfs2_glock *gl) * Called when unmounting the filesystem. */ -void gfs2_gl_hash_clear(struct gfs2_sbd *sdp) +void gfs2_gl_hash_clear(struct super_block *sb) { + struct gfs2_sbd *sdp = sb->s_fs_info; unsigned long t; unsigned int x; int cont; diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 543ec7e..ce54f33 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -130,7 +130,7 @@ void gfs2_lvb_unhold(struct gfs2_glock *gl); void gfs2_glock_cb(void *cb_data, unsigned int type, void *data); void gfs2_reclaim_glock(struct gfs2_sbd *sdp); -void gfs2_gl_hash_clear(struct gfs2_sbd *sdp); +void gfs2_gl_hash_clear(struct super_block *sb); void gfs2_glock_finish_truncate(struct gfs2_inode *ip); int __init gfs2_glock_init(void); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 4cae60f..2e735be 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -705,6 +705,40 @@ static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) return error; } +/** + * gfs2_jindex_free - Clear all the journal index information + * @sdp: The GFS2 superblock + * + */ + +static void gfs2_jindex_free(struct gfs2_sbd *sdp) +{ + struct list_head list, *head; + struct gfs2_jdesc *jd; + struct gfs2_journal_extent *jext; + + spin_lock(&sdp->sd_jindex_spin); + list_add(&list, &sdp->sd_jindex_list); + list_del_init(&sdp->sd_jindex_list); + sdp->sd_journals = 0; + spin_unlock(&sdp->sd_jindex_spin); + + while (!list_empty(&list)) { + jd = list_entry(list.next, struct gfs2_jdesc, jd_list); + head = &jd->extent_list; + while (!list_empty(head)) { + jext = list_entry(head->next, + struct gfs2_journal_extent, + extent_list); + list_del(&jext->extent_list); + kfree(jext); + } + list_del(&jd->jd_list); + iput(jd->jd_inode); + kfree(jd); + } +} + static int init_journal(struct gfs2_sbd *sdp, int undo) { struct inode *master = sdp->sd_master_dir->d_inode; @@ -1203,7 +1237,7 @@ fail_sb: fail_locking: init_locking(sdp, &mount_gh, UNDO); fail_lm: - gfs2_gl_hash_clear(sdp); + gfs2_gl_hash_clear(sb); gfs2_lm_unmount(sdp); while (invalidate_inodes(sb)) yield(); @@ -1263,17 +1297,61 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, static void gfs2_kill_sb(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - if (sdp) { - gfs2_meta_syncfs(sdp); - dput(sdp->sd_root_dir); - dput(sdp->sd_master_dir); - sdp->sd_root_dir = NULL; - sdp->sd_master_dir = NULL; + + if (sdp == NULL) { + kill_block_super(sb); + return; } - shrink_dcache_sb(sb); + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; + + /* Unfreeze the filesystem, if we need to */ + mutex_lock(&sdp->sd_freeze_lock); + if (sdp->sd_freeze_count) + gfs2_glock_dq_uninit(&sdp->sd_freeze_gh); + mutex_unlock(&sdp->sd_freeze_lock); + + kthread_stop(sdp->sd_quotad_process); + kthread_stop(sdp->sd_logd_process); + kthread_stop(sdp->sd_recoverd_process); + + if (!(sb->s_flags & MS_RDONLY)) { + int error = gfs2_make_fs_ro(sdp); + if (error) + gfs2_io_error(sdp); + } + + /* At this point, we're through modifying the disk */ + gfs2_jindex_free(sdp); + gfs2_clear_rgrpd(sdp); + iput(sdp->sd_jindex); + iput(sdp->sd_inum_inode); + iput(sdp->sd_statfs_inode); + iput(sdp->sd_rindex); + iput(sdp->sd_quota_inode); + + gfs2_glock_put(sdp->sd_rename_gl); + gfs2_glock_put(sdp->sd_trans_gl); + + if (!sdp->sd_args.ar_spectator) { + gfs2_glock_dq_uninit(&sdp->sd_journal_gh); + gfs2_glock_dq_uninit(&sdp->sd_jinode_gh); + gfs2_glock_dq_uninit(&sdp->sd_ir_gh); + gfs2_glock_dq_uninit(&sdp->sd_sc_gh); + gfs2_glock_dq_uninit(&sdp->sd_qc_gh); + iput(sdp->sd_ir_inode); + iput(sdp->sd_sc_inode); + iput(sdp->sd_qc_inode); + } + gfs2_glock_dq_uninit(&sdp->sd_live_gh); kill_block_super(sb); - if (sdp) - gfs2_delete_debugfs_file(sdp); + gfs2_lm_unmount(sdp); + gfs2_sys_fs_del(sdp); + gfs2_delete_debugfs_file(sdp); + kfree(sdp); } struct file_system_type gfs2_fs_type = { diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 08837a7..bd08a0a 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -95,7 +95,7 @@ do_flush: * Returns: errno */ -static int gfs2_make_fs_ro(struct gfs2_sbd *sdp) +int gfs2_make_fs_ro(struct gfs2_sbd *sdp) { struct gfs2_holder t_gh; int error; @@ -122,70 +122,6 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp) } /** - * gfs2_put_super - Unmount the filesystem - * @sb: The VFS superblock - * - */ - -static void gfs2_put_super(struct super_block *sb) -{ - struct gfs2_sbd *sdp = sb->s_fs_info; - int error; - - /* Unfreeze the filesystem, if we need to */ - - mutex_lock(&sdp->sd_freeze_lock); - if (sdp->sd_freeze_count) - gfs2_glock_dq_uninit(&sdp->sd_freeze_gh); - mutex_unlock(&sdp->sd_freeze_lock); - - kthread_stop(sdp->sd_quotad_process); - kthread_stop(sdp->sd_logd_process); - kthread_stop(sdp->sd_recoverd_process); - - if (!(sb->s_flags & MS_RDONLY)) { - error = gfs2_make_fs_ro(sdp); - if (error) - gfs2_io_error(sdp); - } - /* At this point, we're through modifying the disk */ - - /* Release stuff */ - - iput(sdp->sd_jindex); - iput(sdp->sd_inum_inode); - iput(sdp->sd_statfs_inode); - iput(sdp->sd_rindex); - iput(sdp->sd_quota_inode); - - gfs2_glock_put(sdp->sd_rename_gl); - gfs2_glock_put(sdp->sd_trans_gl); - - if (!sdp->sd_args.ar_spectator) { - gfs2_glock_dq_uninit(&sdp->sd_journal_gh); - gfs2_glock_dq_uninit(&sdp->sd_jinode_gh); - gfs2_glock_dq_uninit(&sdp->sd_ir_gh); - gfs2_glock_dq_uninit(&sdp->sd_sc_gh); - gfs2_glock_dq_uninit(&sdp->sd_qc_gh); - iput(sdp->sd_ir_inode); - iput(sdp->sd_sc_inode); - iput(sdp->sd_qc_inode); - } - - gfs2_glock_dq_uninit(&sdp->sd_live_gh); - gfs2_clear_rgrpd(sdp); - gfs2_jindex_free(sdp); - /* Take apart glock structures and buffer lists */ - gfs2_gl_hash_clear(sdp); - /* Unmount the locking protocol */ - gfs2_lm_unmount(sdp); - - /* At this point, we're through participating in the lockspace */ - gfs2_sys_fs_del(sdp); - kfree(sdp); -} - -/** * gfs2_write_super * @sb: the superblock * @@ -686,7 +622,7 @@ const struct super_operations gfs2_super_ops = { .destroy_inode = gfs2_destroy_inode, .write_inode = gfs2_write_inode, .delete_inode = gfs2_delete_inode, - .put_super = gfs2_put_super, + .put_super = gfs2_gl_hash_clear, .write_super = gfs2_write_super, .sync_fs = gfs2_sync_fs, .write_super_lockfs = gfs2_write_super_lockfs, diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 141b781..f14658b 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -33,40 +33,6 @@ #include "trans.h" #include "util.h" -/** - * gfs2_jindex_free - Clear all the journal index information - * @sdp: The GFS2 superblock - * - */ - -void gfs2_jindex_free(struct gfs2_sbd *sdp) -{ - struct list_head list, *head; - struct gfs2_jdesc *jd; - struct gfs2_journal_extent *jext; - - spin_lock(&sdp->sd_jindex_spin); - list_add(&list, &sdp->sd_jindex_list); - list_del_init(&sdp->sd_jindex_list); - sdp->sd_journals = 0; - spin_unlock(&sdp->sd_jindex_spin); - - while (!list_empty(&list)) { - jd = list_entry(list.next, struct gfs2_jdesc, jd_list); - head = &jd->extent_list; - while (!list_empty(head)) { - jext = list_entry(head->next, - struct gfs2_journal_extent, - extent_list); - list_del(&jext->extent_list); - kfree(jext); - } - list_del(&jd->jd_list); - iput(jd->jd_inode); - kfree(jd); - } -} - static struct gfs2_jdesc *jdesc_find_i(struct list_head *head, unsigned int jid) { struct gfs2_jdesc *jd; diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index f6b8b00..4d2492b 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -25,8 +25,6 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) return x; } -void gfs2_jindex_free(struct gfs2_sbd *sdp); - struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); int gfs2_jdesc_check(struct gfs2_jdesc *jd); @@ -34,6 +32,7 @@ int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, struct gfs2_inode **ipp); int gfs2_make_fs_rw(struct gfs2_sbd *sdp); +int gfs2_make_fs_ro(struct gfs2_sbd *sdp); int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, -- cgit v0.10.2 From 9a776db7371b9c77a8f4f0d2ac6374d78ac7db7d Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 27 Nov 2008 09:42:51 +0000 Subject: GFS2: Send useful information with uevent messages In order to distinguish between two differing uevent messages and to avoid using the (racy) method of reading status from sysfs in future, this adds some status information to our uevent messages. Btw, before anybody says "sysfs isn't racy", I'm aware of that, but the way that GFS2 was using it (send an ambiugous uevent and then expect the receiver to read sysfs to find out the status of the reported operation) was. The additional benefit of using the new interface is that it should be possible for a node to recover multiple journals at the same time, since there is no longer any confusion as to which journal the status belongs to. At some future stage, when all the userland programs have been converted, I intend to remove the old interface. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c index 0c4cbe6..1aa7eb6 100644 --- a/fs/gfs2/locking/dlm/mount.c +++ b/fs/gfs2/locking/dlm/mount.c @@ -194,17 +194,25 @@ out: static void gdlm_recovery_done(void *lockspace, unsigned int jid, unsigned int message) { + char env_jid[20]; + char env_status[20]; + char *envp[] = { env_jid, env_status, NULL }; struct gdlm_ls *ls = lockspace; ls->recover_jid_done = jid; ls->recover_jid_status = message; - kobject_uevent(&ls->kobj, KOBJ_CHANGE); + sprintf(env_jid, "JID=%d", jid); + sprintf(env_status, "RECOVERY=%s", + message == LM_RD_SUCCESS ? "Done" : "Failed"); + kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp); } static void gdlm_others_may_mount(void *lockspace) { + char *message = "FIRSTMOUNT=Done"; + char *envp[] = { message, NULL }; struct gdlm_ls *ls = lockspace; ls->first_done = 1; - kobject_uevent(&ls->kobj, KOBJ_CHANGE); + kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp); } /* Userspace gets the offline uevent, blocks new gfs locks on -- cgit v0.10.2 From 7ed122e42c72b3e4531f8b4a9f72159e8303ac15 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 10 Dec 2008 10:28:10 +0000 Subject: GFS2: Streamline alloc calculations for writes This patch removes some unused code, and make the calculation of the number of blocks required conditional in order to reduce the number of times this (potentially expensive) calculation is done. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 789f28c..11ffc56 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1231,35 +1231,6 @@ int gfs2_file_dealloc(struct gfs2_inode *ip) } /** - * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file - * @ip: the file - * @len: the number of bytes to be written to the file - * @data_blocks: returns the number of data blocks required - * @ind_blocks: returns the number of indirect blocks required - * - */ - -void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len, - unsigned int *data_blocks, unsigned int *ind_blocks) -{ - struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - unsigned int tmp; - - if (gfs2_is_dir(ip)) { - *data_blocks = DIV_ROUND_UP(len, sdp->sd_jbsize) + 2; - *ind_blocks = 3 * (sdp->sd_max_jheight - 1); - } else { - *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3; - *ind_blocks = 3 * (sdp->sd_max_height - 1); - } - - for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) { - tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs); - *ind_blocks += tmp; - } -} - -/** * gfs2_write_alloc_required - figure out if a write will require an allocation * @ip: the file being written to * @offset: the offset to write to @@ -1276,6 +1247,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, struct buffer_head bh; unsigned int shift; u64 lblock, lblock_stop, size; + u64 end_of_file; *alloc_required = 0; @@ -1291,19 +1263,12 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, *alloc_required = 1; shift = sdp->sd_sb.sb_bsize_shift; - if (gfs2_is_dir(ip)) { - unsigned int bsize = sdp->sd_jbsize; - lblock = offset; - do_div(lblock, bsize); - lblock_stop = offset + len + bsize - 1; - do_div(lblock_stop, bsize); - } else { - u64 end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift; - lblock = offset >> shift; - lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; - if (lblock_stop > end_of_file) - return 0; - } + BUG_ON(gfs2_is_dir(ip)); + end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift; + lblock = offset >> shift; + lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; + if (lblock_stop > end_of_file) + return 0; size = (lblock_stop - lblock) << shift; do { diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h index 4e6cde2..c983177 100644 --- a/fs/gfs2/bmap.h +++ b/fs/gfs2/bmap.h @@ -10,10 +10,40 @@ #ifndef __BMAP_DOT_H__ #define __BMAP_DOT_H__ +#include "inode.h" + struct inode; struct gfs2_inode; struct page; + +/** + * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file + * @ip: the file + * @len: the number of bytes to be written to the file + * @data_blocks: returns the number of data blocks required + * @ind_blocks: returns the number of indirect blocks required + * + */ + +static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip, + unsigned int len, + unsigned int *data_blocks, + unsigned int *ind_blocks) +{ + const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + unsigned int tmp; + + BUG_ON(gfs2_is_dir(ip)); + *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3; + *ind_blocks = 3 * (sdp->sd_max_height - 1); + + for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) { + tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs); + *ind_blocks += tmp; + } +} + int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page); int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create); int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen); @@ -21,10 +51,6 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi int gfs2_truncatei(struct gfs2_inode *ip, u64 size); int gfs2_truncatei_resume(struct gfs2_inode *ip); int gfs2_file_dealloc(struct gfs2_inode *ip); - -void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len, - unsigned int *data_blocks, - unsigned int *ind_blocks); int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, unsigned int len, int *alloc_required); diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 0df560f..6e4ea36 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -625,7 +625,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, { struct gfs2_inode *ip = GFS2_I(mapping->host); struct gfs2_sbd *sdp = GFS2_SB(mapping->host); - unsigned int data_blocks, ind_blocks, rblocks; + unsigned int data_blocks = 0, ind_blocks = 0, rblocks; int alloc_required; int error = 0; struct gfs2_alloc *al; @@ -639,11 +639,13 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping, if (unlikely(error)) goto out_uninit; - gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); error = gfs2_write_alloc_required(ip, pos, len, &alloc_required); if (error) goto out_unlock; + if (alloc_required || gfs2_is_jdata(ip)) + gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks); + if (alloc_required) { al = gfs2_alloc_get(ip); if (!al) { diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index a6b7a73..289c5f5 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -355,7 +355,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) goto out; set_bit(GIF_SW_PAGED, &ip->i_flags); - gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required); if (ret || !alloc_required) goto out_unlock; @@ -367,6 +366,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page) ret = gfs2_quota_lock_check(ip); if (ret) goto out_alloc_put; + gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks); al->al_requested = data_blocks + ind_blocks; ret = gfs2_inplace_reserve(ip); if (ret) -- cgit v0.10.2 From fefc03bfedeff2002f14e848ecb7c0cd77ee0b15 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Fri, 19 Dec 2008 15:32:06 +0000 Subject: Revert "GFS2: Fix use-after-free bug on umount" This reverts commit 78802499912f1ba31ce83a94c55b5a980f250a43. The original patch is causing problems in relation to order of operations at umount in relation to jdata files. I need to fix this a different way. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 5eae62e..6e298b0 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1547,9 +1547,8 @@ static void clear_glock(struct gfs2_glock *gl) * Called when unmounting the filesystem. */ -void gfs2_gl_hash_clear(struct super_block *sb) +void gfs2_gl_hash_clear(struct gfs2_sbd *sdp) { - struct gfs2_sbd *sdp = sb->s_fs_info; unsigned long t; unsigned int x; int cont; diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index ce54f33..543ec7e 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -130,7 +130,7 @@ void gfs2_lvb_unhold(struct gfs2_glock *gl); void gfs2_glock_cb(void *cb_data, unsigned int type, void *data); void gfs2_reclaim_glock(struct gfs2_sbd *sdp); -void gfs2_gl_hash_clear(struct super_block *sb); +void gfs2_gl_hash_clear(struct gfs2_sbd *sdp); void gfs2_glock_finish_truncate(struct gfs2_inode *ip); int __init gfs2_glock_init(void); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 2e735be..4cae60f 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -705,40 +705,6 @@ static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh) return error; } -/** - * gfs2_jindex_free - Clear all the journal index information - * @sdp: The GFS2 superblock - * - */ - -static void gfs2_jindex_free(struct gfs2_sbd *sdp) -{ - struct list_head list, *head; - struct gfs2_jdesc *jd; - struct gfs2_journal_extent *jext; - - spin_lock(&sdp->sd_jindex_spin); - list_add(&list, &sdp->sd_jindex_list); - list_del_init(&sdp->sd_jindex_list); - sdp->sd_journals = 0; - spin_unlock(&sdp->sd_jindex_spin); - - while (!list_empty(&list)) { - jd = list_entry(list.next, struct gfs2_jdesc, jd_list); - head = &jd->extent_list; - while (!list_empty(head)) { - jext = list_entry(head->next, - struct gfs2_journal_extent, - extent_list); - list_del(&jext->extent_list); - kfree(jext); - } - list_del(&jd->jd_list); - iput(jd->jd_inode); - kfree(jd); - } -} - static int init_journal(struct gfs2_sbd *sdp, int undo) { struct inode *master = sdp->sd_master_dir->d_inode; @@ -1237,7 +1203,7 @@ fail_sb: fail_locking: init_locking(sdp, &mount_gh, UNDO); fail_lm: - gfs2_gl_hash_clear(sb); + gfs2_gl_hash_clear(sdp); gfs2_lm_unmount(sdp); while (invalidate_inodes(sb)) yield(); @@ -1297,61 +1263,17 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, static void gfs2_kill_sb(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - - if (sdp == NULL) { - kill_block_super(sb); - return; - } - gfs2_meta_syncfs(sdp); - dput(sdp->sd_root_dir); - dput(sdp->sd_master_dir); - sdp->sd_root_dir = NULL; - sdp->sd_master_dir = NULL; - - /* Unfreeze the filesystem, if we need to */ - mutex_lock(&sdp->sd_freeze_lock); - if (sdp->sd_freeze_count) - gfs2_glock_dq_uninit(&sdp->sd_freeze_gh); - mutex_unlock(&sdp->sd_freeze_lock); - - kthread_stop(sdp->sd_quotad_process); - kthread_stop(sdp->sd_logd_process); - kthread_stop(sdp->sd_recoverd_process); - - if (!(sb->s_flags & MS_RDONLY)) { - int error = gfs2_make_fs_ro(sdp); - if (error) - gfs2_io_error(sdp); - } - - /* At this point, we're through modifying the disk */ - gfs2_jindex_free(sdp); - gfs2_clear_rgrpd(sdp); - iput(sdp->sd_jindex); - iput(sdp->sd_inum_inode); - iput(sdp->sd_statfs_inode); - iput(sdp->sd_rindex); - iput(sdp->sd_quota_inode); - - gfs2_glock_put(sdp->sd_rename_gl); - gfs2_glock_put(sdp->sd_trans_gl); - - if (!sdp->sd_args.ar_spectator) { - gfs2_glock_dq_uninit(&sdp->sd_journal_gh); - gfs2_glock_dq_uninit(&sdp->sd_jinode_gh); - gfs2_glock_dq_uninit(&sdp->sd_ir_gh); - gfs2_glock_dq_uninit(&sdp->sd_sc_gh); - gfs2_glock_dq_uninit(&sdp->sd_qc_gh); - iput(sdp->sd_ir_inode); - iput(sdp->sd_sc_inode); - iput(sdp->sd_qc_inode); + if (sdp) { + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; } - gfs2_glock_dq_uninit(&sdp->sd_live_gh); + shrink_dcache_sb(sb); kill_block_super(sb); - gfs2_lm_unmount(sdp); - gfs2_sys_fs_del(sdp); - gfs2_delete_debugfs_file(sdp); - kfree(sdp); + if (sdp) + gfs2_delete_debugfs_file(sdp); } struct file_system_type gfs2_fs_type = { diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index bd08a0a..08837a7 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -95,7 +95,7 @@ do_flush: * Returns: errno */ -int gfs2_make_fs_ro(struct gfs2_sbd *sdp) +static int gfs2_make_fs_ro(struct gfs2_sbd *sdp) { struct gfs2_holder t_gh; int error; @@ -122,6 +122,70 @@ int gfs2_make_fs_ro(struct gfs2_sbd *sdp) } /** + * gfs2_put_super - Unmount the filesystem + * @sb: The VFS superblock + * + */ + +static void gfs2_put_super(struct super_block *sb) +{ + struct gfs2_sbd *sdp = sb->s_fs_info; + int error; + + /* Unfreeze the filesystem, if we need to */ + + mutex_lock(&sdp->sd_freeze_lock); + if (sdp->sd_freeze_count) + gfs2_glock_dq_uninit(&sdp->sd_freeze_gh); + mutex_unlock(&sdp->sd_freeze_lock); + + kthread_stop(sdp->sd_quotad_process); + kthread_stop(sdp->sd_logd_process); + kthread_stop(sdp->sd_recoverd_process); + + if (!(sb->s_flags & MS_RDONLY)) { + error = gfs2_make_fs_ro(sdp); + if (error) + gfs2_io_error(sdp); + } + /* At this point, we're through modifying the disk */ + + /* Release stuff */ + + iput(sdp->sd_jindex); + iput(sdp->sd_inum_inode); + iput(sdp->sd_statfs_inode); + iput(sdp->sd_rindex); + iput(sdp->sd_quota_inode); + + gfs2_glock_put(sdp->sd_rename_gl); + gfs2_glock_put(sdp->sd_trans_gl); + + if (!sdp->sd_args.ar_spectator) { + gfs2_glock_dq_uninit(&sdp->sd_journal_gh); + gfs2_glock_dq_uninit(&sdp->sd_jinode_gh); + gfs2_glock_dq_uninit(&sdp->sd_ir_gh); + gfs2_glock_dq_uninit(&sdp->sd_sc_gh); + gfs2_glock_dq_uninit(&sdp->sd_qc_gh); + iput(sdp->sd_ir_inode); + iput(sdp->sd_sc_inode); + iput(sdp->sd_qc_inode); + } + + gfs2_glock_dq_uninit(&sdp->sd_live_gh); + gfs2_clear_rgrpd(sdp); + gfs2_jindex_free(sdp); + /* Take apart glock structures and buffer lists */ + gfs2_gl_hash_clear(sdp); + /* Unmount the locking protocol */ + gfs2_lm_unmount(sdp); + + /* At this point, we're through participating in the lockspace */ + gfs2_sys_fs_del(sdp); + kfree(sdp); +} + +/** * gfs2_write_super * @sb: the superblock * @@ -622,7 +686,7 @@ const struct super_operations gfs2_super_ops = { .destroy_inode = gfs2_destroy_inode, .write_inode = gfs2_write_inode, .delete_inode = gfs2_delete_inode, - .put_super = gfs2_gl_hash_clear, + .put_super = gfs2_put_super, .write_super = gfs2_write_super, .sync_fs = gfs2_sync_fs, .write_super_lockfs = gfs2_write_super_lockfs, diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index f14658b..141b781 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -33,6 +33,40 @@ #include "trans.h" #include "util.h" +/** + * gfs2_jindex_free - Clear all the journal index information + * @sdp: The GFS2 superblock + * + */ + +void gfs2_jindex_free(struct gfs2_sbd *sdp) +{ + struct list_head list, *head; + struct gfs2_jdesc *jd; + struct gfs2_journal_extent *jext; + + spin_lock(&sdp->sd_jindex_spin); + list_add(&list, &sdp->sd_jindex_list); + list_del_init(&sdp->sd_jindex_list); + sdp->sd_journals = 0; + spin_unlock(&sdp->sd_jindex_spin); + + while (!list_empty(&list)) { + jd = list_entry(list.next, struct gfs2_jdesc, jd_list); + head = &jd->extent_list; + while (!list_empty(head)) { + jext = list_entry(head->next, + struct gfs2_journal_extent, + extent_list); + list_del(&jext->extent_list); + kfree(jext); + } + list_del(&jd->jd_list); + iput(jd->jd_inode); + kfree(jd); + } +} + static struct gfs2_jdesc *jdesc_find_i(struct list_head *head, unsigned int jid) { struct gfs2_jdesc *jd; diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 4d2492b..f6b8b00 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -25,6 +25,8 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) return x; } +void gfs2_jindex_free(struct gfs2_sbd *sdp); + struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid); int gfs2_jdesc_check(struct gfs2_jdesc *jd); @@ -32,7 +34,6 @@ int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename, struct gfs2_inode **ipp); int gfs2_make_fs_rw(struct gfs2_sbd *sdp); -int gfs2_make_fs_ro(struct gfs2_sbd *sdp); int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, -- cgit v0.10.2 From 88a19ad066c1aab2f9713beb670525fcc06e1c09 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Fri, 19 Dec 2008 15:43:05 +0000 Subject: GFS2: Fix use-after-free bug on umount (try #2) This should solve the issue with the previous attempt at fixing this. Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 4cae60f..f91eebd 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1263,17 +1263,21 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, static void gfs2_kill_sb(struct super_block *sb) { struct gfs2_sbd *sdp = sb->s_fs_info; - if (sdp) { - gfs2_meta_syncfs(sdp); - dput(sdp->sd_root_dir); - dput(sdp->sd_master_dir); - sdp->sd_root_dir = NULL; - sdp->sd_master_dir = NULL; + + if (sdp == NULL) { + kill_block_super(sb); + return; } + + gfs2_meta_syncfs(sdp); + dput(sdp->sd_root_dir); + dput(sdp->sd_master_dir); + sdp->sd_root_dir = NULL; + sdp->sd_master_dir = NULL; shrink_dcache_sb(sb); kill_block_super(sb); - if (sdp) - gfs2_delete_debugfs_file(sdp); + gfs2_delete_debugfs_file(sdp); + kfree(sdp); } struct file_system_type gfs2_fs_type = { diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index 08837a7..777783d 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -182,7 +182,6 @@ static void gfs2_put_super(struct super_block *sb) /* At this point, we're through participating in the lockspace */ gfs2_sys_fs_del(sdp); - kfree(sdp); } /** -- cgit v0.10.2 From eb8374e71f941a1b3c2ed6ea19dc809e7124dc5d Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Thu, 25 Dec 2008 15:35:27 +0100 Subject: GFS2: Use DEFINE_SPINLOCK SPIN_LOCK_UNLOCKED is deprecated. The following makes the change suggested in Documentation/spinlocks.txt The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @@ declarer name DEFINE_SPINLOCK; identifier xxx_lock; @@ - spinlock_t xxx_lock = SPIN_LOCK_UNLOCKED; + DEFINE_SPINLOCK(xxx_lock); // Signed-off-by: Julia Lawall Signed-off-by: Steven Whitehouse diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 6e298b0..6b983ae 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -65,7 +65,7 @@ static struct dentry *gfs2_root; static struct workqueue_struct *glock_workqueue; static LIST_HEAD(lru_list); static atomic_t lru_count = ATOMIC_INIT(0); -static spinlock_t lru_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(lru_lock); #define GFS2_GL_HASH_SHIFT 15 #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) -- cgit v0.10.2 From 4f7d54f59bc470f0aaa932f747a95232d7ebf8b1 Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Mon, 5 Jan 2009 00:00:12 -0800 Subject: tcp: don't mask EOF and socket errors on nonblocking splice receive Currently, setting SPLICE_F_NONBLOCK on splice from a TCP socket results in masking of EOF (RDHUP) and error conditions on the socket by an -EAGAIN return. Move the NONBLOCK check in tcp_splice_read() to be after the EOF and error checks to fix this. Signed-off-by: Lennert Buytenhek Signed-off-by: David S. Miller diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4d655e9..bce1b06 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -580,10 +580,6 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, else if (!ret) { if (spliced) break; - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; - } if (sock_flag(sk, SOCK_DONE)) break; if (sk->sk_err) { @@ -601,6 +597,10 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -ENOTCONN; break; } + if (flags & SPLICE_F_NONBLOCK) { + ret = -EAGAIN; + break; + } if (!timeo) { ret = -EAGAIN; break; -- cgit v0.10.2 From 47cd5265ea8fe0b246bfd9b42ba69e13aa8b99bd Mon Sep 17 00:00:00 2001 From: Julian Calaby Date: Mon, 5 Jan 2009 00:07:18 -0800 Subject: sparc: Clean arch-specific code in prom_common.c prom_nextprop() and prom_firstprop() have slightly different calling conventions in 32 and 64 bit SPARC. prom_common.c uses a ifdef guard to ensure that these functions are called correctly. Adjust code to eliminate this ifdef by using a calling convention that is compatible with both 32 and 64 bit SPARC. Signed-off-by: Julian Calaby Reviewed-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 4e9af59..ff7b591 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -155,20 +155,12 @@ static struct property * __init build_one_prop(phandle node, char *prev, p->value = prom_early_alloc(special_len); memcpy(p->value, special_val, special_len); } else { -#ifdef CONFIG_SPARC32 - if (prev == NULL) { - name = prom_firstprop(node, NULL); - } else { - name = prom_nextprop(node, prev, NULL); - } -#else if (prev == NULL) { - prom_firstprop(node, p->name); + name = prom_firstprop(node, p->name); } else { - prom_nextprop(node, prev, p->name); + name = prom_nextprop(node, prev, p->name); } - name = p->name; -#endif + if (strlen(name) == 0) { tmp = p; return NULL; -- cgit v0.10.2 From 576b4d0cce9716a3a6c67ded27a638ef833b0a54 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 5 Jan 2009 00:55:24 -0800 Subject: sparc: Remove reg*.h from Kbuild Forgot to commit this in previous change, noticed by Sam. Signed-off-by: David S. Miller diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index aeaec45..deeb0fb 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -13,9 +13,6 @@ header-y += perfctr.h header-y += psrcompat.h header-y += psr.h header-y += pstate.h -header-y += reg.h -header-y += reg_32.h -header-y += reg_64.h header-y += traps.h header-y += uctx.h header-y += utrap.h -- cgit v0.10.2 From 7945cc6464a4db0caf6dfacdfe05806051c4cb7b Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 5 Jan 2009 00:59:00 -0800 Subject: tcp: Kill extraneous SPLICE_F_NONBLOCK checks. In splice TCP receive, the SPLICE_F_NONBLOCK flag is used to compute the "timeo" value. So checking it again inside of the main receive loop to trigger -EAGAIN processing is entirely unnecessary. Noticed by Jarek P. and Lennert Buytenhek. Signed-off-by: David S. Miller diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index bce1b06..35bcddf 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -597,10 +597,6 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -ENOTCONN; break; } - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; - } if (!timeo) { ret = -EAGAIN; break; -- cgit v0.10.2 From 5cf1c00b0ef3ba964b2ad268a55c278cf43f798f Mon Sep 17 00:00:00 2001 From: David Brownell Date: Mon, 5 Jan 2009 02:08:30 -0800 Subject: ASoC: fix davinci-sffsdr buglet Minor bugfix: now that DaVinci kernels can support multiple boards, board-specific ASoC components need to verify they're running on the right board before initializing. Signed-off-by: David Brownell Signed-off-by: Kevin Hilman Signed-off-by: Mark Brown diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c index f67579d..4935d1b 100644 --- a/sound/soc/davinci/davinci-sffsdr.c +++ b/sound/soc/davinci/davinci-sffsdr.c @@ -24,6 +24,7 @@ #include #include +#include #include #include @@ -115,6 +116,9 @@ static int __init sffsdr_init(void) { int ret; + if (!machine_is_sffsdr()) + return -EINVAL; + sffsdr_snd_device = platform_device_alloc("soc-audio", 0); if (!sffsdr_snd_device) { printk(KERN_ERR "platform device allocation failed\n"); -- cgit v0.10.2 From 4ac6032d6c92f0ac65cf5bc56b68557b3f099b66 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Sat, 18 Oct 2008 19:11:42 -0700 Subject: ocfs2: Field prefixes for the xattr_bucket structure The ocfs2_xattr_bucket structure keeps track of the buffers for one xattr bucket. Let's prefix the fields for easier code navigation. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 74d7367..9c0ee42 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -61,8 +61,8 @@ struct ocfs2_xattr_def_value_root { }; struct ocfs2_xattr_bucket { - struct buffer_head *bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; - struct ocfs2_xattr_header *xh; + struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; + struct ocfs2_xattr_header *bu_xh; }; #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) @@ -795,11 +795,11 @@ static int ocfs2_xattr_block_get(struct inode *inode, if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { ret = ocfs2_xattr_bucket_get_name_value(inode, - xs->bucket.xh, + xs->bucket.bu_xh, i, &block_off, &name_offset); - xs->base = xs->bucket.bhs[block_off]->b_data; + xs->base = xs->bucket.bu_bhs[block_off]->b_data; } if (ocfs2_xattr_is_local(xs->here)) { memcpy(buffer, (void *)xs->base + @@ -818,7 +818,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, ret = size; cleanup: for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++) - brelse(xs->bucket.bhs[i]); + brelse(xs->bucket.bu_bhs[i]); memset(&xs->bucket, 0, sizeof(xs->bucket)); brelse(xs->xattr_bh); @@ -2032,7 +2032,7 @@ cleanup: brelse(di_bh); brelse(xbs.xattr_bh); for (i = 0; i < blk_per_bucket; i++) - brelse(xbs.bucket.bhs[i]); + brelse(xbs.bucket.bu_bhs[i]); return ret; } @@ -2276,13 +2276,13 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, lower_bh = bh; bh = NULL; } - xs->bucket.bhs[0] = lower_bh; - xs->bucket.xh = (struct ocfs2_xattr_header *) - xs->bucket.bhs[0]->b_data; + xs->bucket.bu_bhs[0] = lower_bh; + xs->bucket.bu_xh = (struct ocfs2_xattr_header *) + xs->bucket.bu_bhs[0]->b_data; lower_bh = NULL; - xs->header = xs->bucket.xh; - xs->base = xs->bucket.bhs[0]->b_data; + xs->header = xs->bucket.bu_xh; + xs->base = xs->bucket.bu_bhs[0]->b_data; xs->end = xs->base + inode->i_sb->s_blocksize; if (found) { @@ -2290,8 +2290,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * If we have found the xattr enty, read all the blocks in * this bucket. */ - ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], + ret = ocfs2_read_blocks(inode, xs->bucket.bu_bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -2300,7 +2300,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, xs->here = &xs->header->xh_entries[index]; mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, index); + (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, index); } else ret = -ENODATA; @@ -2370,23 +2370,23 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, - bucket.bhs, 0); + bucket.bu_bhs, 0); if (ret) { mlog_errno(ret); goto out; } - bucket.xh = (struct ocfs2_xattr_header *)bucket.bhs[0]->b_data; + bucket.bu_xh = (struct ocfs2_xattr_header *)bucket.bu_bhs[0]->b_data; /* * The real bucket num in this series of blocks is stored * in the 1st bucket. */ if (i == 0) - num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets); + num_buckets = le16_to_cpu(bucket.bu_xh->xh_num_buckets); mlog(0, "iterating xattr bucket %llu, first hash %u\n", (unsigned long long)blkno, - le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash)); + le32_to_cpu(bucket.bu_xh->xh_entries[0].xe_name_hash)); if (func) { ret = func(inode, &bucket, para); if (ret) { @@ -2396,13 +2396,13 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, } for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bhs[j]); + brelse(bucket.bu_bhs[j]); memset(&bucket, 0, sizeof(bucket)); } out: for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bhs[j]); + brelse(bucket.bu_bhs[j]); return ret; } @@ -2441,21 +2441,21 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, int i, block_off, new_offset; const char *prefix, *name; - for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) { - struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i]; + for (i = 0 ; i < le16_to_cpu(bucket->bu_xh->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &bucket->bu_xh->xh_entries[i]; type = ocfs2_xattr_get_type(entry); prefix = ocfs2_xattr_prefix(type); if (prefix) { ret = ocfs2_xattr_bucket_get_name_value(inode, - bucket->xh, + bucket->bu_xh, i, &block_off, &new_offset); if (ret) break; - name = (const char *)bucket->bhs[block_off]->b_data + + name = (const char *)bucket->bu_bhs[block_off]->b_data + new_offset; ret = ocfs2_xattr_list_entry(xl->buffer, xl->buffer_size, @@ -2626,10 +2626,10 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, int i, blocksize = inode->i_sb->s_blocksize; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - xs->bucket.bhs[0] = new_bh; + xs->bucket.bu_bhs[0] = new_bh; get_bh(new_bh); - xs->bucket.xh = (struct ocfs2_xattr_header *)xs->bucket.bhs[0]->b_data; - xs->header = xs->bucket.xh; + xs->bucket.bu_xh = (struct ocfs2_xattr_header *)xs->bucket.bu_bhs[0]->b_data; + xs->header = xs->bucket.bu_xh; xs->base = new_bh->b_data; xs->end = xs->base + inode->i_sb->s_blocksize; @@ -2637,8 +2637,8 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, if (!xs->not_found) { if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { ret = ocfs2_read_blocks(inode, - xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], + xs->bucket.bu_bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -2835,7 +2835,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, size_t end, offset, len, value_len; struct ocfs2_xattr_header *xh; char *entries, *buf, *bucket_buf = NULL; - u64 blkno = bucket->bhs[0]->b_blocknr; + u64 blkno = bucket->bu_bhs[0]->b_blocknr; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 xh_free_start; size_t blocksize = inode->i_sb->s_blocksize; @@ -3929,7 +3929,7 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode, int block_off = offs >> inode->i_sb->s_blocksize_bits; offs = offs % inode->i_sb->s_blocksize; - return bucket->bhs[block_off]->b_data + offs; + return bucket->bu_bhs[block_off]->b_data + offs; } /* @@ -4124,12 +4124,12 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", (unsigned long)xi->value_len, xi->name_index, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr); + (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr); - if (!xs->bucket.bhs[1]) { + if (!xs->bucket.bu_bhs[1]) { ret = ocfs2_read_blocks(inode, - xs->bucket.bhs[0]->b_blocknr + 1, - blk_per_bucket - 1, &xs->bucket.bhs[1], + xs->bucket.bu_bhs[0]->b_blocknr + 1, + blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -4146,7 +4146,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, } for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[i], + ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[i], OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); @@ -4158,7 +4158,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, /*Only dirty the blocks we have touched in set xattr. */ ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs, - xs->bucket.bhs, blk_per_bucket); + xs->bucket.bu_bhs, blk_per_bucket); if (ret) mlog_errno(ret); out: @@ -4272,10 +4272,10 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, struct ocfs2_xattr_entry *xe = xs->here; struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base; - BUG_ON(!xs->bucket.bhs[0] || !xe || ocfs2_xattr_is_local(xe)); + BUG_ON(!xs->bucket.bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe)); offset = xe - xh->xh_entries; - ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bhs[0], + ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bu_bhs[0], offset, len); if (ret) mlog_errno(ret); @@ -4395,7 +4395,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, struct ocfs2_xattr_search *xs) { handle_t *handle = NULL; - struct ocfs2_xattr_header *xh = xs->bucket.xh; + struct ocfs2_xattr_header *xh = xs->bucket.bu_xh; struct ocfs2_xattr_entry *last = &xh->xh_entries[ le16_to_cpu(xh->xh_count) - 1]; int ret = 0; @@ -4407,7 +4407,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, return; } - ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[0], + ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[0], OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -4420,7 +4420,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, memset(last, 0, sizeof(struct ocfs2_xattr_entry)); le16_add_cpu(&xh->xh_count, -1); - ret = ocfs2_journal_dirty(handle, xs->bucket.bhs[0]); + ret = ocfs2_journal_dirty(handle, xs->bucket.bu_bhs[0]); if (ret < 0) mlog_errno(ret); out_commit: @@ -4530,7 +4530,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, struct ocfs2_xattr_bucket *bucket, const char *name) { - struct ocfs2_xattr_header *xh = bucket->xh; + struct ocfs2_xattr_header *xh = bucket->bu_xh; u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name)); if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash)) @@ -4540,7 +4540,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, xh->xh_entries[0].xe_name_hash) { mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, " "hash = %u\n", - (unsigned long long)bucket->bhs[0]->b_blocknr, + (unsigned long long)bucket->bu_bhs[0]->b_blocknr, le32_to_cpu(xh->xh_entries[0].xe_name_hash)); return -ENOSPC; } @@ -4574,7 +4574,7 @@ try_again: mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size " "of %u which exceed block size\n", - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, header_size); if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) @@ -4614,7 +4614,7 @@ try_again: mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, " "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len =" " %u\n", xs->not_found, - (unsigned long long)xs->bucket.bhs[0]->b_blocknr, + (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, free, need, max_free, le16_to_cpu(xh->xh_free_start), le16_to_cpu(xh->xh_name_value_len)); @@ -4667,14 +4667,14 @@ try_again: ret = ocfs2_add_new_xattr_bucket(inode, xs->xattr_bh, - xs->bucket.bhs[0]); + xs->bucket.bu_bhs[0]); if (ret) { mlog_errno(ret); goto out; } for (i = 0; i < blk_per_bucket; i++) - brelse(xs->bucket.bhs[i]); + brelse(xs->bucket.bu_bhs[i]); memset(&xs->bucket, 0, sizeof(xs->bucket)); @@ -4700,7 +4700,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, void *para) { int ret = 0; - struct ocfs2_xattr_header *xh = bucket->xh; + struct ocfs2_xattr_header *xh = bucket->bu_xh; u16 i; struct ocfs2_xattr_entry *xe; @@ -4710,7 +4710,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, continue; ret = ocfs2_xattr_bucket_value_truncate(inode, - bucket->bhs[0], + bucket->bu_bhs[0], i, 0); if (ret) { mlog_errno(ret); -- cgit v0.10.2 From 9c7759aa670918a48f0c6e06779cd20f2781a2ac Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 16:21:03 -0700 Subject: ocfs2: Convenient access to an xattr bucket's block number. The xattr code often wants to know the block number of an xattr bucket. This is usually found by dereferencing the first bh hanging off of the ocfs2_xattr_bucket structure. Rather than do this all the time, let's provide a nice little macro. The idea is ripped from the ocfs2_path code. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9c0ee42..3cf8e80 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -154,6 +154,8 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) return len / sizeof(struct ocfs2_xattr_entry); } +#define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr) + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -2290,7 +2292,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * If we have found the xattr enty, read all the blocks in * this bucket. */ - ret = ocfs2_read_blocks(inode, xs->bucket.bu_bhs[0]->b_blocknr + 1, + ret = ocfs2_read_blocks(inode, bucket_blkno(&xs->bucket) + 1, blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { @@ -2300,7 +2302,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, xs->here = &xs->header->xh_entries[index]; mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, - (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, index); + (unsigned long long)bucket_blkno(&xs->bucket), index); } else ret = -ENODATA; @@ -2637,7 +2639,7 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, if (!xs->not_found) { if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { ret = ocfs2_read_blocks(inode, - xs->bucket.bu_bhs[0]->b_blocknr + 1, + bucket_blkno(&xs->bucket) + 1, blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { @@ -2835,7 +2837,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, size_t end, offset, len, value_len; struct ocfs2_xattr_header *xh; char *entries, *buf, *bucket_buf = NULL; - u64 blkno = bucket->bu_bhs[0]->b_blocknr; + u64 blkno = bucket_blkno(bucket); u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 xh_free_start; size_t blocksize = inode->i_sb->s_blocksize; @@ -4124,11 +4126,11 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", (unsigned long)xi->value_len, xi->name_index, - (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr); + (unsigned long long)bucket_blkno(&xs->bucket)); if (!xs->bucket.bu_bhs[1]) { ret = ocfs2_read_blocks(inode, - xs->bucket.bu_bhs[0]->b_blocknr + 1, + bucket_blkno(&xs->bucket) + 1, blk_per_bucket - 1, &xs->bucket.bu_bhs[1], 0); if (ret) { @@ -4540,7 +4542,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, xh->xh_entries[0].xe_name_hash) { mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, " "hash = %u\n", - (unsigned long long)bucket->bu_bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(bucket), le32_to_cpu(xh->xh_entries[0].xe_name_hash)); return -ENOSPC; } @@ -4574,7 +4576,7 @@ try_again: mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size " "of %u which exceed block size\n", - (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(&xs->bucket), header_size); if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) @@ -4614,7 +4616,7 @@ try_again: mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, " "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len =" " %u\n", xs->not_found, - (unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, + (unsigned long long)bucket_blkno(&xs->bucket), free, need, max_free, le16_to_cpu(xh->xh_free_start), le16_to_cpu(xh->xh_name_value_len)); -- cgit v0.10.2 From 51def39f0cabd46131c7c4df08751cb0cb9433d1 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 16:57:21 -0700 Subject: ocfs2: Convenient access to xattr bucket data blocks. The xattr code often wants to access the data pointer for blocks in an xattr bucket. This is usually found by dereferencing the bh array hanging off of the ocfs2_xattr_bucket structure. Rather than do this all the time, let's provide a nice little macro. The idea is ripped from the ocfs2_path code. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3cf8e80..8594df3 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -155,6 +155,7 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) } #define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr) +#define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data) static inline const char *ocfs2_xattr_prefix(int name_index) { @@ -801,7 +802,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, i, &block_off, &name_offset); - xs->base = xs->bucket.bu_bhs[block_off]->b_data; + xs->base = bucket_block(&xs->bucket, block_off); } if (ocfs2_xattr_is_local(xs->here)) { memcpy(buffer, (void *)xs->base + @@ -2280,11 +2281,11 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, } xs->bucket.bu_bhs[0] = lower_bh; xs->bucket.bu_xh = (struct ocfs2_xattr_header *) - xs->bucket.bu_bhs[0]->b_data; + bucket_block(&xs->bucket, 0); lower_bh = NULL; xs->header = xs->bucket.bu_xh; - xs->base = xs->bucket.bu_bhs[0]->b_data; + xs->base = bucket_block(&xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; if (found) { @@ -2378,7 +2379,7 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, goto out; } - bucket.bu_xh = (struct ocfs2_xattr_header *)bucket.bu_bhs[0]->b_data; + bucket.bu_xh = (struct ocfs2_xattr_header *)bucket_block(&bucket, 0); /* * The real bucket num in this series of blocks is stored * in the 1st bucket. @@ -2457,7 +2458,7 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, if (ret) break; - name = (const char *)bucket->bu_bhs[block_off]->b_data + + name = (const char *)bucket_block(bucket, block_off) + new_offset; ret = ocfs2_xattr_list_entry(xl->buffer, xl->buffer_size, @@ -2630,7 +2631,7 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, xs->bucket.bu_bhs[0] = new_bh; get_bh(new_bh); - xs->bucket.bu_xh = (struct ocfs2_xattr_header *)xs->bucket.bu_bhs[0]->b_data; + xs->bucket.bu_xh = (struct ocfs2_xattr_header *)bucket_block(&xs->bucket, 0); xs->header = xs->bucket.bu_xh; xs->base = new_bh->b_data; @@ -3931,7 +3932,7 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode, int block_off = offs >> inode->i_sb->s_blocksize_bits; offs = offs % inode->i_sb->s_blocksize; - return bucket->bu_bhs[block_off]->b_data + offs; + return bucket_block(bucket, block_off) + offs; } /* -- cgit v0.10.2 From 3e6329463e3a5c311e1d607ff3db735a18b6d67a Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 17:04:49 -0700 Subject: ocfs2: Convenient access to an xattr bucket's header. The xattr code often wants to access the ocfs2_xattr_header at the start of an bucket. Rather than walk the pointer chains, let's just create another nice macro. As a side benefit, we can get rid of the mostly spurious ->bu_xh element on the bucket structure. The idea is ripped from the ocfs2_path code. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 8594df3..1b77302 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -62,7 +62,6 @@ struct ocfs2_xattr_def_value_root { struct ocfs2_xattr_bucket { struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; - struct ocfs2_xattr_header *bu_xh; }; #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) @@ -156,6 +155,7 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) #define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr) #define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data) +#define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0)) static inline const char *ocfs2_xattr_prefix(int name_index) { @@ -798,7 +798,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { ret = ocfs2_xattr_bucket_get_name_value(inode, - xs->bucket.bu_xh, + bucket_xh(&xs->bucket), i, &block_off, &name_offset); @@ -2280,11 +2280,9 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, bh = NULL; } xs->bucket.bu_bhs[0] = lower_bh; - xs->bucket.bu_xh = (struct ocfs2_xattr_header *) - bucket_block(&xs->bucket, 0); lower_bh = NULL; - xs->header = xs->bucket.bu_xh; + xs->header = bucket_xh(&xs->bucket); xs->base = bucket_block(&xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; @@ -2379,17 +2377,16 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, goto out; } - bucket.bu_xh = (struct ocfs2_xattr_header *)bucket_block(&bucket, 0); /* * The real bucket num in this series of blocks is stored * in the 1st bucket. */ if (i == 0) - num_buckets = le16_to_cpu(bucket.bu_xh->xh_num_buckets); + num_buckets = le16_to_cpu(bucket_xh(&bucket)->xh_num_buckets); mlog(0, "iterating xattr bucket %llu, first hash %u\n", (unsigned long long)blkno, - le32_to_cpu(bucket.bu_xh->xh_entries[0].xe_name_hash)); + le32_to_cpu(bucket_xh(&bucket)->xh_entries[0].xe_name_hash)); if (func) { ret = func(inode, &bucket, para); if (ret) { @@ -2444,14 +2441,14 @@ static int ocfs2_list_xattr_bucket(struct inode *inode, int i, block_off, new_offset; const char *prefix, *name; - for (i = 0 ; i < le16_to_cpu(bucket->bu_xh->xh_count); i++) { - struct ocfs2_xattr_entry *entry = &bucket->bu_xh->xh_entries[i]; + for (i = 0 ; i < le16_to_cpu(bucket_xh(bucket)->xh_count); i++) { + struct ocfs2_xattr_entry *entry = &bucket_xh(bucket)->xh_entries[i]; type = ocfs2_xattr_get_type(entry); prefix = ocfs2_xattr_prefix(type); if (prefix) { ret = ocfs2_xattr_bucket_get_name_value(inode, - bucket->bu_xh, + bucket_xh(bucket), i, &block_off, &new_offset); @@ -2631,8 +2628,7 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, xs->bucket.bu_bhs[0] = new_bh; get_bh(new_bh); - xs->bucket.bu_xh = (struct ocfs2_xattr_header *)bucket_block(&xs->bucket, 0); - xs->header = xs->bucket.bu_xh; + xs->header = bucket_xh(&xs->bucket); xs->base = new_bh->b_data; xs->end = xs->base + inode->i_sb->s_blocksize; @@ -4398,7 +4394,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, struct ocfs2_xattr_search *xs) { handle_t *handle = NULL; - struct ocfs2_xattr_header *xh = xs->bucket.bu_xh; + struct ocfs2_xattr_header *xh = bucket_xh(&xs->bucket); struct ocfs2_xattr_entry *last = &xh->xh_entries[ le16_to_cpu(xh->xh_count) - 1]; int ret = 0; @@ -4533,7 +4529,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, struct ocfs2_xattr_bucket *bucket, const char *name) { - struct ocfs2_xattr_header *xh = bucket->bu_xh; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name)); if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash)) @@ -4703,7 +4699,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, void *para) { int ret = 0; - struct ocfs2_xattr_header *xh = bucket->bu_xh; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u16 i; struct ocfs2_xattr_entry *xe; -- cgit v0.10.2 From 6dde41d9e7ba62f84cd7e91c0e993500af32ceb6 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 17:16:48 -0700 Subject: ocfs2: Provide a wrapper to brelse() xattr bucket buffers. A common theme is walking all the buffer heads on an ocfs2_xattr_bucket and releasing them. Let's wrap that. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 1b77302..3478ad1 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -157,6 +157,17 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) #define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data) #define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0)) +static void ocfs2_xattr_bucket_relse(struct inode *inode, + struct ocfs2_xattr_bucket *bucket) +{ + int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + for (i = 0; i < blks; i++) { + brelse(bucket->bu_bhs[i]); + bucket->bu_bhs[i] = NULL; + } +} + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -820,8 +831,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, } ret = size; cleanup: - for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++) - brelse(xs->bucket.bu_bhs[i]); + ocfs2_xattr_bucket_relse(inode, &xs->bucket); memset(&xs->bucket, 0, sizeof(xs->bucket)); brelse(xs->xattr_bh); @@ -1932,7 +1942,6 @@ int ocfs2_xattr_set(struct inode *inode, struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; int ret; - u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); struct ocfs2_xattr_info xi = { .name_index = name_index, @@ -2034,8 +2043,7 @@ cleanup: ocfs2_inode_unlock(inode, 1); brelse(di_bh); brelse(xbs.xattr_bh); - for (i = 0; i < blk_per_bucket; i++) - brelse(xbs.bucket.bu_bhs[i]); + ocfs2_xattr_bucket_relse(inode, &xbs.bucket); return ret; } @@ -2358,7 +2366,7 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, xattr_bucket_func *func, void *para) { - int i, j, ret = 0; + int i, ret = 0; int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)); u32 num_buckets = clusters * bpc; @@ -2395,14 +2403,12 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, } } - for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bu_bhs[j]); + ocfs2_xattr_bucket_relse(inode, &bucket); memset(&bucket, 0, sizeof(bucket)); } out: - for (j = 0; j < blk_per_bucket; j++) - brelse(bucket.bu_bhs[j]); + ocfs2_xattr_bucket_relse(inode, &bucket); return ret; } @@ -4554,11 +4560,10 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; u16 count, header_size, xh_free_start; - int i, free, max_free, need, old; + int free, max_free, need, old; size_t value_size = 0, name_len = strlen(xi->name); size_t blocksize = inode->i_sb->s_blocksize; int ret, allocation = 0; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); mlog_entry("Set xattr %s in xattr index block\n", xi->name); @@ -4672,9 +4677,7 @@ try_again: goto out; } - for (i = 0; i < blk_per_bucket; i++) - brelse(xs->bucket.bu_bhs[i]); - + ocfs2_xattr_bucket_relse(inode, &xs->bucket); memset(&xs->bucket, 0, sizeof(xs->bucket)); ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh, -- cgit v0.10.2 From 784b816a9198dc3782c97cde8ddcf52fecdf1797 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 17:33:40 -0700 Subject: ocfs2: Improve ocfs2_read_xattr_bucket(). The ocfs2_read_xattr_bucket() function would read an xattr bucket into a list of buffer heads. However, we have a nice ocfs2_xattr_bucket structure. Let's have it fill that out instead. In addition, ocfs2_read_xattr_bucket() would initialize buffer heads for a bucket that's never been on disk before. That's confusing. Let's call that functionality ocfs2_init_xattr_bucket(). The functions ocfs2_cp_xattr_bucket() and ocfs2_half_xattr_bucket() are updated to use the ocfs2_xattr_bucket structure rather than raw bh lists. That way they can use the new read/init calls. In addition, they drop the wasted read of an existing target bucket. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3478ad1..fa13fa4 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -168,6 +168,48 @@ static void ocfs2_xattr_bucket_relse(struct inode *inode, } } +/* + * A bucket that has never been written to disk doesn't need to be + * read. We just need the buffer_heads. Don't call this for + * buckets that are already on disk. ocfs2_read_xattr_bucket() initializes + * them fully. + */ +static int ocfs2_init_xattr_bucket(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + u64 xb_blkno) +{ + int i, rc = 0; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + for (i = 0; i < blks; i++) { + bucket->bu_bhs[i] = sb_getblk(inode->i_sb, xb_blkno + i); + if (!bucket->bu_bhs[i]) { + rc = -EIO; + mlog_errno(rc); + break; + } + + ocfs2_set_new_buffer_uptodate(inode, bucket->bu_bhs[i]); + } + + if (rc) + ocfs2_xattr_bucket_relse(inode, bucket); + return rc; +} + +/* Read the xattr bucket at xb_blkno */ +static int ocfs2_read_xattr_bucket(struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + u64 xb_blkno) +{ + int rc, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + rc = ocfs2_read_blocks(inode, xb_blkno, blks, bucket->bu_bhs, 0); + if (rc) + ocfs2_xattr_bucket_relse(inode, bucket); + return rc; +} + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -3097,31 +3139,6 @@ out: return ret; } -static int ocfs2_read_xattr_bucket(struct inode *inode, - u64 blkno, - struct buffer_head **bhs, - int new) -{ - int ret = 0; - u16 i, blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - - if (!new) - return ocfs2_read_blocks(inode, blkno, - blk_per_bucket, bhs, 0); - - for (i = 0; i < blk_per_bucket; i++) { - bhs[i] = sb_getblk(inode->i_sb, blkno + i); - if (bhs[i] == NULL) { - ret = -EIO; - mlog_errno(ret); - break; - } - ocfs2_set_new_buffer_uptodate(inode, bhs[i]); - } - - return ret; -} - /* * Find the suitable pos when we divide a bucket into 2. * We have to make sure the xattrs with the same hash value exist @@ -3184,7 +3201,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, int ret, i; int count, start, len, name_value_len = 0, xe_len, name_offset = 0; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - struct buffer_head **s_bhs, **t_bhs = NULL; + struct ocfs2_xattr_bucket s_bucket, t_bucket; struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; int blocksize = inode->i_sb->s_blocksize; @@ -3192,37 +3209,34 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, mlog(0, "move some of xattrs from bucket %llu to %llu\n", (unsigned long long)blk, (unsigned long long)new_blk); - s_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); - if (!s_bhs) - return -ENOMEM; + memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); + memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); - ret = ocfs2_read_xattr_bucket(inode, blk, s_bhs, 0); + ret = ocfs2_read_xattr_bucket(inode, &s_bucket, blk); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, s_bhs[0], + ret = ocfs2_journal_access(handle, inode, s_bucket.bu_bhs[0], OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - t_bhs = kcalloc(blk_per_bucket, sizeof(struct buffer_head *), GFP_NOFS); - if (!t_bhs) { - ret = -ENOMEM; - goto out; - } - - ret = ocfs2_read_xattr_bucket(inode, new_blk, t_bhs, new_bucket_head); + /* + * Even if !new_bucket_head, we're overwriting t_bucket. Thus, + * there's no need to read it. + */ + ret = ocfs2_init_xattr_bucket(inode, &t_bucket, new_blk); if (ret) { mlog_errno(ret); goto out; } for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bhs[i], + ret = ocfs2_journal_access(handle, inode, t_bucket.bu_bhs[i], new_bucket_head ? OCFS2_JOURNAL_ACCESS_CREATE : OCFS2_JOURNAL_ACCESS_WRITE); @@ -3232,7 +3246,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, } } - xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data; + xh = bucket_xh(&s_bucket); count = le16_to_cpu(xh->xh_count); start = ocfs2_xattr_find_divide_pos(xh); @@ -3245,9 +3259,9 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, * that of the last entry in the previous bucket. */ for (i = 0; i < blk_per_bucket; i++) - memset(t_bhs[i]->b_data, 0, blocksize); + memset(bucket_block(&t_bucket, i), 0, blocksize); - xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data; + xh = bucket_xh(&t_bucket); xh->xh_free_start = cpu_to_le16(blocksize); xh->xh_entries[0].xe_name_hash = xe->xe_name_hash; le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1); @@ -3257,10 +3271,11 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, /* copy the whole bucket to the new first. */ for (i = 0; i < blk_per_bucket; i++) - memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); + memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i), + blocksize); /* update the new bucket. */ - xh = (struct ocfs2_xattr_header *)t_bhs[0]->b_data; + xh = bucket_xh(&t_bucket); /* * Calculate the total name/value len and xh_free_start for @@ -3325,7 +3340,7 @@ set_num_buckets: xh->xh_num_buckets = 0; for (i = 0; i < blk_per_bucket; i++) { - ocfs2_journal_dirty(handle, t_bhs[i]); + ocfs2_journal_dirty(handle, t_bucket.bu_bhs[i]); if (ret) mlog_errno(ret); } @@ -3342,29 +3357,20 @@ set_num_buckets: if (start == count) goto out; - xh = (struct ocfs2_xattr_header *)s_bhs[0]->b_data; + xh = bucket_xh(&s_bucket); memset(&xh->xh_entries[start], 0, sizeof(struct ocfs2_xattr_entry) * (count - start)); xh->xh_count = cpu_to_le16(start); xh->xh_free_start = cpu_to_le16(name_offset); xh->xh_name_value_len = cpu_to_le16(name_value_len); - ocfs2_journal_dirty(handle, s_bhs[0]); + ocfs2_journal_dirty(handle, s_bucket.bu_bhs[0]); if (ret) mlog_errno(ret); out: - if (s_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(s_bhs[i]); - } - kfree(s_bhs); - - if (t_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(t_bhs[i]); - } - kfree(t_bhs); + ocfs2_xattr_bucket_relse(inode, &s_bucket); + ocfs2_xattr_bucket_relse(inode, &t_bucket); return ret; } @@ -3384,7 +3390,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, int ret, i; int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int blocksize = inode->i_sb->s_blocksize; - struct buffer_head **s_bhs, **t_bhs = NULL; + struct ocfs2_xattr_bucket s_bucket, t_bucket; BUG_ON(s_blkno == t_blkno); @@ -3392,28 +3398,23 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, (unsigned long long)s_blkno, (unsigned long long)t_blkno, t_is_new); - s_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!s_bhs) - return -ENOMEM; + memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); + memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); - ret = ocfs2_read_xattr_bucket(inode, s_blkno, s_bhs, 0); + ret = ocfs2_read_xattr_bucket(inode, &s_bucket, s_blkno); if (ret) goto out; - t_bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!t_bhs) { - ret = -ENOMEM; - goto out; - } - - ret = ocfs2_read_xattr_bucket(inode, t_blkno, t_bhs, t_is_new); + /* + * Even if !t_is_new, we're overwriting t_bucket. Thus, + * there's no need to read it. + */ + ret = ocfs2_init_xattr_bucket(inode, &t_bucket, t_blkno); if (ret) goto out; for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bhs[i], + ret = ocfs2_journal_access(handle, inode, t_bucket.bu_bhs[i], t_is_new ? OCFS2_JOURNAL_ACCESS_CREATE : OCFS2_JOURNAL_ACCESS_WRITE); @@ -3422,22 +3423,14 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, } for (i = 0; i < blk_per_bucket; i++) { - memcpy(t_bhs[i]->b_data, s_bhs[i]->b_data, blocksize); - ocfs2_journal_dirty(handle, t_bhs[i]); + memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i), + blocksize); + ocfs2_journal_dirty(handle, t_bucket.bu_bhs[i]); } out: - if (s_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(s_bhs[i]); - } - kfree(s_bhs); - - if (t_bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(t_bhs[i]); - } - kfree(t_bhs); + ocfs2_xattr_bucket_relse(inode, &s_bucket); + ocfs2_xattr_bucket_relse(inode, &t_bucket); return ret; } -- cgit v0.10.2 From 1224be020f62ada3e19822feeac3840abf80de3e Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 18:47:33 -0700 Subject: ocfs2: Wrap journal_access/journal_dirty for xattr buckets. A common action is to call ocfs2_journal_access() and ocfs2_journal_dirty() on the buffer heads of an xattr bucket. Let's create nice wrappers. While we're there, let's drop the places that try to be smart by writing only the first and last blocks of a bucket. A bucket is contiguous, so writing the whole thing is actually more efficient. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index fa13fa4..99aefe4 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -210,6 +210,37 @@ static int ocfs2_read_xattr_bucket(struct inode *inode, return rc; } +static int ocfs2_xattr_bucket_journal_access(handle_t *handle, + struct inode *inode, + struct ocfs2_xattr_bucket *bucket, + int type) +{ + int i, rc = 0; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + for (i = 0; i < blks; i++) { + rc = ocfs2_journal_access(handle, inode, + bucket->bu_bhs[i], type); + if (rc) { + mlog_errno(rc); + break; + } + } + + return rc; +} + +static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle, + struct inode *inode, + struct ocfs2_xattr_bucket *bucket) +{ + int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + for (i = 0; i < blks; i++) + ocfs2_journal_dirty(handle, bucket->bu_bhs[i]); +} + + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -3218,8 +3249,8 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, s_bucket.bu_bhs[0], - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, inode, &s_bucket, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -3235,15 +3266,13 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bucket.bu_bhs[i], - new_bucket_head ? - OCFS2_JOURNAL_ACCESS_CREATE : - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } + ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket, + new_bucket_head ? + OCFS2_JOURNAL_ACCESS_CREATE : + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; } xh = bucket_xh(&s_bucket); @@ -3339,11 +3368,7 @@ set_num_buckets: else xh->xh_num_buckets = 0; - for (i = 0; i < blk_per_bucket; i++) { - ocfs2_journal_dirty(handle, t_bucket.bu_bhs[i]); - if (ret) - mlog_errno(ret); - } + ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket); /* store the first_hash of the new bucket. */ if (first_hash) @@ -3364,9 +3389,7 @@ set_num_buckets: xh->xh_free_start = cpu_to_le16(name_offset); xh->xh_name_value_len = cpu_to_le16(name_value_len); - ocfs2_journal_dirty(handle, s_bucket.bu_bhs[0]); - if (ret) - mlog_errno(ret); + ocfs2_xattr_bucket_journal_dirty(handle, inode, &s_bucket); out: ocfs2_xattr_bucket_relse(inode, &s_bucket); @@ -3413,20 +3436,18 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, if (ret) goto out; - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, t_bucket.bu_bhs[i], - t_is_new ? - OCFS2_JOURNAL_ACCESS_CREATE : - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) - goto out; - } + ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket, + t_is_new ? + OCFS2_JOURNAL_ACCESS_CREATE : + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) + goto out; for (i = 0; i < blk_per_bucket; i++) { memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i), blocksize); - ocfs2_journal_dirty(handle, t_bucket.bu_bhs[i]); } + ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket); out: ocfs2_xattr_bucket_relse(inode, &s_bucket); @@ -3799,9 +3820,9 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, /* * We will touch all the buckets after the start_bh(include it). - * Add one more bucket and modify the first_bh. + * Then we add one more bucket. */ - credits = end_blk - start_blk + 2 * blk_per_bucket + 1; + credits = end_blk - start_blk + 3 * blk_per_bucket + 1; handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -4077,33 +4098,6 @@ set_new_name_value: return; } -static int ocfs2_xattr_bucket_handle_journal(struct inode *inode, - handle_t *handle, - struct ocfs2_xattr_search *xs, - struct buffer_head **bhs, - u16 bh_num) -{ - int ret = 0, off, block_off; - struct ocfs2_xattr_entry *xe = xs->here; - - /* - * First calculate all the blocks we should journal_access - * and journal_dirty. The first block should always be touched. - */ - ret = ocfs2_journal_dirty(handle, bhs[0]); - if (ret) - mlog_errno(ret); - - /* calc the data. */ - off = le16_to_cpu(xe->xe_name_offset); - block_off = off >> inode->i_sb->s_blocksize_bits; - ret = ocfs2_journal_dirty(handle, bhs[block_off]); - if (ret) - mlog_errno(ret); - - return ret; -} - /* * Set the xattr entry in the specified bucket. * The bucket is indicated by xs->bucket and it should have the enough @@ -4115,7 +4109,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, u32 name_hash, int local) { - int i, ret; + int ret; handle_t *handle = NULL; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -4143,22 +4137,16 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[i], - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto out; - } + ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto out; } ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local); + ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket); - /*Only dirty the blocks we have touched in set xattr. */ - ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs, - xs->bucket.bu_bhs, blk_per_bucket); - if (ret) - mlog_errno(ret); out: ocfs2_commit_trans(osb, handle); @@ -4398,15 +4386,16 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, le16_to_cpu(xh->xh_count) - 1]; int ret = 0; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), 1); + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), + ocfs2_blocks_per_xattr_bucket(inode->i_sb)); if (IS_ERR(handle)) { ret = PTR_ERR(handle); mlog_errno(ret); return; } - ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[0], - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -4418,9 +4407,8 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, memset(last, 0, sizeof(struct ocfs2_xattr_entry)); le16_add_cpu(&xh->xh_count, -1); - ret = ocfs2_journal_dirty(handle, xs->bucket.bu_bhs[0]); - if (ret < 0) - mlog_errno(ret); + ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket); + out_commit: ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); } -- cgit v0.10.2 From 4980c6daba967124ed6420032960abd2b48412e2 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 18:54:43 -0700 Subject: ocfs2: Copy xattr buckets with a dedicated function. Now that the places that copy whole buckets are using struct ocfs2_xattr_bucket, we can do the copy in a dedicated function. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 99aefe4..71d9e7b 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -240,6 +240,19 @@ static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle, ocfs2_journal_dirty(handle, bucket->bu_bhs[i]); } +static void ocfs2_xattr_bucket_copy_data(struct inode *inode, + struct ocfs2_xattr_bucket *dest, + struct ocfs2_xattr_bucket *src) +{ + int i; + int blocksize = inode->i_sb->s_blocksize; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + for (i = 0; i < blks; i++) { + memcpy(bucket_block(dest, i), bucket_block(src, i), + blocksize); + } +} static inline const char *ocfs2_xattr_prefix(int name_index) { @@ -3299,9 +3312,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, } /* copy the whole bucket to the new first. */ - for (i = 0; i < blk_per_bucket; i++) - memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i), - blocksize); + ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket); /* update the new bucket. */ xh = bucket_xh(&t_bucket); @@ -3410,9 +3421,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, u64 t_blkno, int t_is_new) { - int ret, i; - int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int blocksize = inode->i_sb->s_blocksize; + int ret; struct ocfs2_xattr_bucket s_bucket, t_bucket; BUG_ON(s_blkno == t_blkno); @@ -3443,10 +3452,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, if (ret) goto out; - for (i = 0; i < blk_per_bucket; i++) { - memcpy(bucket_block(&t_bucket, i), bucket_block(&s_bucket, i), - blocksize); - } + ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket); ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket); out: -- cgit v0.10.2 From ba937127596ec2c61437006741f7d29999284de4 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 24 Oct 2008 19:13:20 -0700 Subject: ocfs2: Take ocfs2_xattr_bucket structures off of the stack. The ocfs2_xattr_bucket structure is a nice abstraction, but it is a bit large to have on the stack. Just like ocfs2_path, let's allocate it with a ocfs2_xattr_bucket_new() function. We can now store the inode on the bucket, cleaning up all the other bucket functions. While we're here, we catch another place or two that wasn't using ocfs2_read_xattr_bucket(). Updates: - No longer allocating xis.bucket, as it will never be used. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 71d9e7b..766494e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -61,7 +61,14 @@ struct ocfs2_xattr_def_value_root { }; struct ocfs2_xattr_bucket { + /* The inode these xattrs are associated with */ + struct inode *bu_inode; + + /* The actual buffers that make up the bucket */ struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET]; + + /* How many blocks make up one bucket for this filesystem */ + int bu_blocks; }; #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) @@ -97,7 +104,7 @@ struct ocfs2_xattr_search { */ struct buffer_head *xattr_bh; struct ocfs2_xattr_header *header; - struct ocfs2_xattr_bucket bucket; + struct ocfs2_xattr_bucket *bucket; void *base; void *end; struct ocfs2_xattr_entry *here; @@ -157,69 +164,91 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) #define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data) #define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0)) -static void ocfs2_xattr_bucket_relse(struct inode *inode, - struct ocfs2_xattr_bucket *bucket) +static struct ocfs2_xattr_bucket *ocfs2_xattr_bucket_new(struct inode *inode) { - int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + struct ocfs2_xattr_bucket *bucket; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - for (i = 0; i < blks; i++) { + BUG_ON(blks > OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET); + + bucket = kzalloc(sizeof(struct ocfs2_xattr_bucket), GFP_NOFS); + if (bucket) { + bucket->bu_inode = inode; + bucket->bu_blocks = blks; + } + + return bucket; +} + +static void ocfs2_xattr_bucket_relse(struct ocfs2_xattr_bucket *bucket) +{ + int i; + + for (i = 0; i < bucket->bu_blocks; i++) { brelse(bucket->bu_bhs[i]); bucket->bu_bhs[i] = NULL; } } +static void ocfs2_xattr_bucket_free(struct ocfs2_xattr_bucket *bucket) +{ + if (bucket) { + ocfs2_xattr_bucket_relse(bucket); + bucket->bu_inode = NULL; + kfree(bucket); + } +} + /* * A bucket that has never been written to disk doesn't need to be * read. We just need the buffer_heads. Don't call this for * buckets that are already on disk. ocfs2_read_xattr_bucket() initializes * them fully. */ -static int ocfs2_init_xattr_bucket(struct inode *inode, - struct ocfs2_xattr_bucket *bucket, +static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket, u64 xb_blkno) { int i, rc = 0; - int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - for (i = 0; i < blks; i++) { - bucket->bu_bhs[i] = sb_getblk(inode->i_sb, xb_blkno + i); + for (i = 0; i < bucket->bu_blocks; i++) { + bucket->bu_bhs[i] = sb_getblk(bucket->bu_inode->i_sb, + xb_blkno + i); if (!bucket->bu_bhs[i]) { rc = -EIO; mlog_errno(rc); break; } - ocfs2_set_new_buffer_uptodate(inode, bucket->bu_bhs[i]); + ocfs2_set_new_buffer_uptodate(bucket->bu_inode, + bucket->bu_bhs[i]); } if (rc) - ocfs2_xattr_bucket_relse(inode, bucket); + ocfs2_xattr_bucket_relse(bucket); return rc; } /* Read the xattr bucket at xb_blkno */ -static int ocfs2_read_xattr_bucket(struct inode *inode, - struct ocfs2_xattr_bucket *bucket, +static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket, u64 xb_blkno) { - int rc, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int rc; - rc = ocfs2_read_blocks(inode, xb_blkno, blks, bucket->bu_bhs, 0); + rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno, + bucket->bu_blocks, bucket->bu_bhs, 0); if (rc) - ocfs2_xattr_bucket_relse(inode, bucket); + ocfs2_xattr_bucket_relse(bucket); return rc; } static int ocfs2_xattr_bucket_journal_access(handle_t *handle, - struct inode *inode, struct ocfs2_xattr_bucket *bucket, int type) { int i, rc = 0; - int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - for (i = 0; i < blks; i++) { - rc = ocfs2_journal_access(handle, inode, + for (i = 0; i < bucket->bu_blocks; i++) { + rc = ocfs2_journal_access(handle, bucket->bu_inode, bucket->bu_bhs[i], type); if (rc) { mlog_errno(rc); @@ -231,24 +260,24 @@ static int ocfs2_xattr_bucket_journal_access(handle_t *handle, } static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle, - struct inode *inode, struct ocfs2_xattr_bucket *bucket) { - int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int i; - for (i = 0; i < blks; i++) + for (i = 0; i < bucket->bu_blocks; i++) ocfs2_journal_dirty(handle, bucket->bu_bhs[i]); } -static void ocfs2_xattr_bucket_copy_data(struct inode *inode, - struct ocfs2_xattr_bucket *dest, +static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest, struct ocfs2_xattr_bucket *src) { int i; - int blocksize = inode->i_sb->s_blocksize; - int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int blocksize = src->bu_inode->i_sb->s_blocksize; + + BUG_ON(dest->bu_blocks != src->bu_blocks); + BUG_ON(dest->bu_inode != src->bu_inode); - for (i = 0; i < blks; i++) { + for (i = 0; i < src->bu_blocks; i++) { memcpy(bucket_block(dest, i), bucket_block(src, i), blocksize); } @@ -869,7 +898,12 @@ static int ocfs2_xattr_block_get(struct inode *inode, size_t size; int ret = -ENODATA, name_offset, name_len, block_off, i; - memset(&xs->bucket, 0, sizeof(xs->bucket)); + xs->bucket = ocfs2_xattr_bucket_new(inode); + if (!xs->bucket) { + ret = -ENOMEM; + mlog_errno(ret); + goto cleanup; + } ret = ocfs2_xattr_block_find(inode, name_index, name, xs); if (ret) { @@ -895,11 +929,11 @@ static int ocfs2_xattr_block_get(struct inode *inode, if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { ret = ocfs2_xattr_bucket_get_name_value(inode, - bucket_xh(&xs->bucket), + bucket_xh(xs->bucket), i, &block_off, &name_offset); - xs->base = bucket_block(&xs->bucket, block_off); + xs->base = bucket_block(xs->bucket, block_off); } if (ocfs2_xattr_is_local(xs->here)) { memcpy(buffer, (void *)xs->base + @@ -917,8 +951,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, } ret = size; cleanup: - ocfs2_xattr_bucket_relse(inode, &xs->bucket); - memset(&xs->bucket, 0, sizeof(xs->bucket)); + ocfs2_xattr_bucket_free(xs->bucket); brelse(xs->xattr_bh); xs->xattr_bh = NULL; @@ -2047,10 +2080,20 @@ int ocfs2_xattr_set(struct inode *inode, if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) return -EOPNOTSUPP; + /* + * Only xbs will be used on indexed trees. xis doesn't need a + * bucket. + */ + xbs.bucket = ocfs2_xattr_bucket_new(inode); + if (!xbs.bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } + ret = ocfs2_inode_lock(inode, &di_bh, 1); if (ret < 0) { mlog_errno(ret); - return ret; + goto cleanup_nolock; } xis.inode_bh = xbs.inode_bh = di_bh; di = (struct ocfs2_dinode *)di_bh->b_data; @@ -2127,9 +2170,10 @@ int ocfs2_xattr_set(struct inode *inode, cleanup: up_write(&OCFS2_I(inode)->ip_xattr_sem); ocfs2_inode_unlock(inode, 1); +cleanup_nolock: brelse(di_bh); brelse(xbs.xattr_bh); - ocfs2_xattr_bucket_relse(inode, &xbs.bucket); + ocfs2_xattr_bucket_free(xbs.bucket); return ret; } @@ -2373,11 +2417,11 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, lower_bh = bh; bh = NULL; } - xs->bucket.bu_bhs[0] = lower_bh; + xs->bucket->bu_bhs[0] = lower_bh; lower_bh = NULL; - xs->header = bucket_xh(&xs->bucket); - xs->base = bucket_block(&xs->bucket, 0); + xs->header = bucket_xh(xs->bucket); + xs->base = bucket_block(xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; if (found) { @@ -2385,8 +2429,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * If we have found the xattr enty, read all the blocks in * this bucket. */ - ret = ocfs2_read_blocks(inode, bucket_blkno(&xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket.bu_bhs[1], + ret = ocfs2_read_blocks(inode, bucket_blkno(xs->bucket) + 1, + blk_per_bucket - 1, &xs->bucket->bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -2395,7 +2439,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, xs->here = &xs->header->xh_entries[index]; mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, - (unsigned long long)bucket_blkno(&xs->bucket), index); + (unsigned long long)bucket_blkno(xs->bucket), index); } else ret = -ENODATA; @@ -2453,22 +2497,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, void *para) { int i, ret = 0; - int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)); u32 num_buckets = clusters * bpc; - struct ocfs2_xattr_bucket bucket; + struct ocfs2_xattr_bucket *bucket; - memset(&bucket, 0, sizeof(bucket)); + bucket = ocfs2_xattr_bucket_new(inode); + if (!bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n", clusters, (unsigned long long)blkno); - for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) { - ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, - bucket.bu_bhs, 0); + for (i = 0; i < num_buckets; i++, blkno += bucket->bu_blocks) { + ret = ocfs2_read_xattr_bucket(bucket, blkno); if (ret) { mlog_errno(ret); - goto out; + break; } /* @@ -2476,26 +2522,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, * in the 1st bucket. */ if (i == 0) - num_buckets = le16_to_cpu(bucket_xh(&bucket)->xh_num_buckets); + num_buckets = le16_to_cpu(bucket_xh(bucket)->xh_num_buckets); mlog(0, "iterating xattr bucket %llu, first hash %u\n", (unsigned long long)blkno, - le32_to_cpu(bucket_xh(&bucket)->xh_entries[0].xe_name_hash)); + le32_to_cpu(bucket_xh(bucket)->xh_entries[0].xe_name_hash)); if (func) { - ret = func(inode, &bucket, para); - if (ret) { + ret = func(inode, bucket, para); + if (ret) mlog_errno(ret); - break; - } + /* Fall through to bucket_relse() */ } - ocfs2_xattr_bucket_relse(inode, &bucket); - memset(&bucket, 0, sizeof(bucket)); + ocfs2_xattr_bucket_relse(bucket); + if (ret) + break; } -out: - ocfs2_xattr_bucket_relse(inode, &bucket); - + ocfs2_xattr_bucket_free(bucket); return ret; } @@ -2718,9 +2762,9 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, int i, blocksize = inode->i_sb->s_blocksize; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - xs->bucket.bu_bhs[0] = new_bh; + xs->bucket->bu_bhs[0] = new_bh; get_bh(new_bh); - xs->header = bucket_xh(&xs->bucket); + xs->header = bucket_xh(xs->bucket); xs->base = new_bh->b_data; xs->end = xs->base + inode->i_sb->s_blocksize; @@ -2728,8 +2772,8 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, if (!xs->not_found) { if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { ret = ocfs2_read_blocks(inode, - bucket_blkno(&xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket.bu_bhs[1], + bucket_blkno(xs->bucket) + 1, + blk_per_bucket - 1, &xs->bucket->bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -3244,8 +3288,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, { int ret, i; int count, start, len, name_value_len = 0, xe_len, name_offset = 0; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - struct ocfs2_xattr_bucket s_bucket, t_bucket; + struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL; struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; int blocksize = inode->i_sb->s_blocksize; @@ -3253,16 +3296,21 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, mlog(0, "move some of xattrs from bucket %llu to %llu\n", (unsigned long long)blk, (unsigned long long)new_blk); - memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); - memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); + s_bucket = ocfs2_xattr_bucket_new(inode); + t_bucket = ocfs2_xattr_bucket_new(inode); + if (!s_bucket || !t_bucket) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } - ret = ocfs2_read_xattr_bucket(inode, &s_bucket, blk); + ret = ocfs2_read_xattr_bucket(s_bucket, blk); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_bucket_journal_access(handle, inode, &s_bucket, + ret = ocfs2_xattr_bucket_journal_access(handle, s_bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -3273,13 +3321,13 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, * Even if !new_bucket_head, we're overwriting t_bucket. Thus, * there's no need to read it. */ - ret = ocfs2_init_xattr_bucket(inode, &t_bucket, new_blk); + ret = ocfs2_init_xattr_bucket(t_bucket, new_blk); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket, + ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, new_bucket_head ? OCFS2_JOURNAL_ACCESS_CREATE : OCFS2_JOURNAL_ACCESS_WRITE); @@ -3288,7 +3336,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, goto out; } - xh = bucket_xh(&s_bucket); + xh = bucket_xh(s_bucket); count = le16_to_cpu(xh->xh_count); start = ocfs2_xattr_find_divide_pos(xh); @@ -3300,10 +3348,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, * The hash value is set as one larger than * that of the last entry in the previous bucket. */ - for (i = 0; i < blk_per_bucket; i++) - memset(bucket_block(&t_bucket, i), 0, blocksize); + for (i = 0; i < t_bucket->bu_blocks; i++) + memset(bucket_block(t_bucket, i), 0, blocksize); - xh = bucket_xh(&t_bucket); + xh = bucket_xh(t_bucket); xh->xh_free_start = cpu_to_le16(blocksize); xh->xh_entries[0].xe_name_hash = xe->xe_name_hash; le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1); @@ -3312,10 +3360,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, } /* copy the whole bucket to the new first. */ - ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket); + ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket); /* update the new bucket. */ - xh = bucket_xh(&t_bucket); + xh = bucket_xh(t_bucket); /* * Calculate the total name/value len and xh_free_start for @@ -3379,7 +3427,7 @@ set_num_buckets: else xh->xh_num_buckets = 0; - ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket); + ocfs2_xattr_bucket_journal_dirty(handle, t_bucket); /* store the first_hash of the new bucket. */ if (first_hash) @@ -3393,18 +3441,18 @@ set_num_buckets: if (start == count) goto out; - xh = bucket_xh(&s_bucket); + xh = bucket_xh(s_bucket); memset(&xh->xh_entries[start], 0, sizeof(struct ocfs2_xattr_entry) * (count - start)); xh->xh_count = cpu_to_le16(start); xh->xh_free_start = cpu_to_le16(name_offset); xh->xh_name_value_len = cpu_to_le16(name_value_len); - ocfs2_xattr_bucket_journal_dirty(handle, inode, &s_bucket); + ocfs2_xattr_bucket_journal_dirty(handle, s_bucket); out: - ocfs2_xattr_bucket_relse(inode, &s_bucket); - ocfs2_xattr_bucket_relse(inode, &t_bucket); + ocfs2_xattr_bucket_free(s_bucket); + ocfs2_xattr_bucket_free(t_bucket); return ret; } @@ -3422,7 +3470,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, int t_is_new) { int ret; - struct ocfs2_xattr_bucket s_bucket, t_bucket; + struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL; BUG_ON(s_blkno == t_blkno); @@ -3430,10 +3478,15 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, (unsigned long long)s_blkno, (unsigned long long)t_blkno, t_is_new); - memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); - memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket)); - - ret = ocfs2_read_xattr_bucket(inode, &s_bucket, s_blkno); + s_bucket = ocfs2_xattr_bucket_new(inode); + t_bucket = ocfs2_xattr_bucket_new(inode); + if (!s_bucket || !t_bucket) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno); if (ret) goto out; @@ -3441,23 +3494,23 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, * Even if !t_is_new, we're overwriting t_bucket. Thus, * there's no need to read it. */ - ret = ocfs2_init_xattr_bucket(inode, &t_bucket, t_blkno); + ret = ocfs2_init_xattr_bucket(t_bucket, t_blkno); if (ret) goto out; - ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket, + ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, t_is_new ? OCFS2_JOURNAL_ACCESS_CREATE : OCFS2_JOURNAL_ACCESS_WRITE); if (ret) goto out; - ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket); - ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket); + ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket); + ocfs2_xattr_bucket_journal_dirty(handle, t_bucket); out: - ocfs2_xattr_bucket_relse(inode, &s_bucket); - ocfs2_xattr_bucket_relse(inode, &t_bucket); + ocfs2_xattr_bucket_free(t_bucket); + ocfs2_xattr_bucket_free(s_bucket); return ret; } @@ -4009,7 +4062,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, xe->xe_value_size = 0; val = ocfs2_xattr_bucket_get_val(inode, - &xs->bucket, offs); + xs->bucket, offs); memset(val + OCFS2_XATTR_SIZE(name_len), 0, size - OCFS2_XATTR_SIZE(name_len)); if (OCFS2_XATTR_SIZE(xi->value_len) > 0) @@ -4087,8 +4140,7 @@ set_new_name_value: xh->xh_free_start = cpu_to_le16(offs); } - val = ocfs2_xattr_bucket_get_val(inode, - &xs->bucket, offs - size); + val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size); xe->xe_name_offset = cpu_to_le16(offs - size); memset(val, 0, size); @@ -4122,12 +4174,12 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", (unsigned long)xi->value_len, xi->name_index, - (unsigned long long)bucket_blkno(&xs->bucket)); + (unsigned long long)bucket_blkno(xs->bucket)); - if (!xs->bucket.bu_bhs[1]) { + if (!xs->bucket->bu_bhs[1]) { ret = ocfs2_read_blocks(inode, - bucket_blkno(&xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket.bu_bhs[1], + bucket_blkno(xs->bucket) + 1, + blk_per_bucket - 1, &xs->bucket->bu_bhs[1], 0); if (ret) { mlog_errno(ret); @@ -4143,7 +4195,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, goto out; } - ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket, + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); @@ -4151,7 +4203,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, } ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local); - ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); out: ocfs2_commit_trans(osb, handle); @@ -4264,10 +4316,10 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, struct ocfs2_xattr_entry *xe = xs->here; struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base; - BUG_ON(!xs->bucket.bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe)); + BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe)); offset = xe - xh->xh_entries; - ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bu_bhs[0], + ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0], offset, len); if (ret) mlog_errno(ret); @@ -4387,7 +4439,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, struct ocfs2_xattr_search *xs) { handle_t *handle = NULL; - struct ocfs2_xattr_header *xh = bucket_xh(&xs->bucket); + struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket); struct ocfs2_xattr_entry *last = &xh->xh_entries[ le16_to_cpu(xh->xh_count) - 1]; int ret = 0; @@ -4400,7 +4452,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, return; } - ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket, + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); @@ -4413,7 +4465,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, memset(last, 0, sizeof(struct ocfs2_xattr_entry)); le16_add_cpu(&xh->xh_count, -1); - ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); out_commit: ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); @@ -4565,7 +4617,7 @@ try_again: mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size " "of %u which exceed block size\n", - (unsigned long long)bucket_blkno(&xs->bucket), + (unsigned long long)bucket_blkno(xs->bucket), header_size); if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) @@ -4605,7 +4657,7 @@ try_again: mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, " "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len =" " %u\n", xs->not_found, - (unsigned long long)bucket_blkno(&xs->bucket), + (unsigned long long)bucket_blkno(xs->bucket), free, need, max_free, le16_to_cpu(xh->xh_free_start), le16_to_cpu(xh->xh_name_value_len)); @@ -4617,7 +4669,7 @@ try_again: * name/value will be moved, the xe shouldn't be changed * in xs. */ - ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket); + ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket); if (ret) { mlog_errno(ret); goto out; @@ -4649,7 +4701,7 @@ try_again: * add a new bucket for the insert. */ ret = ocfs2_check_xattr_bucket_collision(inode, - &xs->bucket, + xs->bucket, xi->name); if (ret) { mlog_errno(ret); @@ -4658,14 +4710,13 @@ try_again: ret = ocfs2_add_new_xattr_bucket(inode, xs->xattr_bh, - xs->bucket.bu_bhs[0]); + xs->bucket->bu_bhs[0]); if (ret) { mlog_errno(ret); goto out; } - ocfs2_xattr_bucket_relse(inode, &xs->bucket); - memset(&xs->bucket, 0, sizeof(xs->bucket)); + ocfs2_xattr_bucket_relse(xs->bucket); ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh, xi->name_index, -- cgit v0.10.2 From e2356a3f02cfdbce735465a2b40b6dc72a764c26 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 27 Oct 2008 15:01:54 -0700 Subject: ocfs2: Use buckets in ocfs2_xattr_bucket_find(). Change the ocfs2_xattr_bucket_find() function to use ocfs2_xattr_bucket as its abstraction. This makes for more efficient reads, as buckets are linear blocks, and also has improved caching characteristics. It also reads better. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 766494e..46986c6 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2248,7 +2248,7 @@ typedef int (xattr_bucket_func)(struct inode *inode, void *para); static int ocfs2_find_xe_in_bucket(struct inode *inode, - struct buffer_head *header_bh, + struct ocfs2_xattr_bucket *bucket, int name_index, const char *name, u32 name_hash, @@ -2256,11 +2256,9 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, int *found) { int i, ret = 0, cmp = 1, block_off, new_offset; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); size_t name_len = strlen(name); struct ocfs2_xattr_entry *xe = NULL; - struct buffer_head *name_bh = NULL; char *xe_name; /* @@ -2291,19 +2289,8 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, break; } - ret = ocfs2_read_block(inode, header_bh->b_blocknr + block_off, - &name_bh); - if (ret) { - mlog_errno(ret); - break; - } - xe_name = name_bh->b_data + new_offset; - - cmp = memcmp(name, xe_name, name_len); - brelse(name_bh); - name_bh = NULL; - - if (cmp == 0) { + xe_name = bucket_block(bucket, block_off) + new_offset; + if (!memcmp(name, xe_name, name_len)) { *xe_index = i; *found = 1; ret = 0; @@ -2333,39 +2320,42 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, struct ocfs2_xattr_search *xs) { int ret, found = 0; - struct buffer_head *bh = NULL; - struct buffer_head *lower_bh = NULL; struct ocfs2_xattr_header *xh = NULL; struct ocfs2_xattr_entry *xe = NULL; u16 index = 0; u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int low_bucket = 0, bucket, high_bucket; + struct ocfs2_xattr_bucket *search; u32 last_hash; - u64 blkno; + u64 blkno, lower_blkno = 0; - ret = ocfs2_read_block(inode, p_blkno, &bh); + search = ocfs2_xattr_bucket_new(inode); + if (!search) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(search, p_blkno); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; + xh = bucket_xh(search); high_bucket = le16_to_cpu(xh->xh_num_buckets) - 1; - while (low_bucket <= high_bucket) { - brelse(bh); - bh = NULL; - bucket = (low_bucket + high_bucket) / 2; + ocfs2_xattr_bucket_relse(search); + bucket = (low_bucket + high_bucket) / 2; blkno = p_blkno + bucket * blk_per_bucket; - - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_xattr_bucket(search, blkno); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; + xh = bucket_xh(search); xe = &xh->xh_entries[0]; if (name_hash < le32_to_cpu(xe->xe_name_hash)) { high_bucket = bucket - 1; @@ -2382,10 +2372,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, last_hash = le32_to_cpu(xe->xe_name_hash); - /* record lower_bh which may be the insert place. */ - brelse(lower_bh); - lower_bh = bh; - bh = NULL; + /* record lower_blkno which may be the insert place. */ + lower_blkno = blkno; if (name_hash > le32_to_cpu(xe->xe_name_hash)) { low_bucket = bucket + 1; @@ -2393,7 +2381,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, } /* the searched xattr should reside in this bucket if exists. */ - ret = ocfs2_find_xe_in_bucket(inode, lower_bh, + ret = ocfs2_find_xe_in_bucket(inode, search, name_index, name, name_hash, &index, &found); if (ret) { @@ -2408,35 +2396,21 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, * When the xattr's hash value is in the gap of 2 buckets, we will * always set it to the previous bucket. */ - if (!lower_bh) { - /* - * We can't find any bucket whose first name_hash is less - * than the find name_hash. - */ - BUG_ON(bh->b_blocknr != p_blkno); - lower_bh = bh; - bh = NULL; + if (!lower_blkno) + lower_blkno = p_blkno; + + /* This should be in cache - we just read it during the search */ + ret = ocfs2_read_xattr_bucket(xs->bucket, lower_blkno); + if (ret) { + mlog_errno(ret); + goto out; } - xs->bucket->bu_bhs[0] = lower_bh; - lower_bh = NULL; xs->header = bucket_xh(xs->bucket); xs->base = bucket_block(xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; if (found) { - /* - * If we have found the xattr enty, read all the blocks in - * this bucket. - */ - ret = ocfs2_read_blocks(inode, bucket_blkno(xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket->bu_bhs[1], - 0); - if (ret) { - mlog_errno(ret); - goto out; - } - xs->here = &xs->header->xh_entries[index]; mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name, (unsigned long long)bucket_blkno(xs->bucket), index); @@ -2444,8 +2418,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, ret = -ENODATA; out: - brelse(bh); - brelse(lower_bh); + ocfs2_xattr_bucket_free(search); return ret; } -- cgit v0.10.2 From 178eeac354ea28828d5e94a3a7b51368c171d6a5 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 27 Oct 2008 15:18:29 -0700 Subject: ocfs2: Use buckets in ocfs2_xattr_create_index_block(). Use the ocfs2_xattr_bucket abstraction in ocfs2_xattr_create_index_block() and its helpers. We get more efficient reads, a lot less buffer_head munging, and nicer code to boot. While we're at it, ocfs2_xattr_update_xattr_search() becomes void. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 46986c6..76969b9 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2649,32 +2649,34 @@ static void swap_xe(void *a, void *b, int size) /* * When the ocfs2_xattr_block is filled up, new bucket will be created * and all the xattr entries will be moved to the new bucket. + * The header goes at the start of the bucket, and the names+values are + * filled from the end. This is why *target starts as the last buffer. * Note: we need to sort the entries since they are not saved in order * in the ocfs2_xattr_block. */ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, struct buffer_head *xb_bh, - struct buffer_head *xh_bh, - struct buffer_head *data_bh) + struct ocfs2_xattr_bucket *bucket) { int i, blocksize = inode->i_sb->s_blocksize; + int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 offset, size, off_change; struct ocfs2_xattr_entry *xe; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_header *xb_xh = &xb->xb_attrs.xb_header; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)xh_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); u16 count = le16_to_cpu(xb_xh->xh_count); - char *target = xh_bh->b_data, *src = xb_bh->b_data; + char *src = xb_bh->b_data; + char *target = bucket_block(bucket, blks - 1); mlog(0, "cp xattr from block %llu to bucket %llu\n", (unsigned long long)xb_bh->b_blocknr, - (unsigned long long)xh_bh->b_blocknr); + (unsigned long long)bucket_blkno(bucket)); + + for (i = 0; i < blks; i++) + memset(bucket_block(bucket, i), 0, blocksize); - memset(xh_bh->b_data, 0, blocksize); - if (data_bh) - memset(data_bh->b_data, 0, blocksize); /* * Since the xe_name_offset is based on ocfs2_xattr_header, * there is a offset change corresponding to the change of @@ -2686,8 +2688,6 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, size = blocksize - offset; /* copy all the names and values. */ - if (data_bh) - target = data_bh->b_data; memcpy(target + offset, src + offset, size); /* Init new header now. */ @@ -2697,7 +2697,7 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE - size); /* copy all the entries. */ - target = xh_bh->b_data; + target = bucket_block(bucket, 0); offset = offsetof(struct ocfs2_xattr_header, xh_entries); size = count * sizeof(struct ocfs2_xattr_entry); memcpy(target + offset, (char *)xb_xh + offset, size); @@ -2723,42 +2723,24 @@ static void ocfs2_cp_xattr_block_to_bucket(struct inode *inode, * While if the entry is in index b-tree, "bucket" indicates the * real place of the xattr. */ -static int ocfs2_xattr_update_xattr_search(struct inode *inode, - struct ocfs2_xattr_search *xs, - struct buffer_head *old_bh, - struct buffer_head *new_bh) +static void ocfs2_xattr_update_xattr_search(struct inode *inode, + struct ocfs2_xattr_search *xs, + struct buffer_head *old_bh) { - int ret = 0; char *buf = old_bh->b_data; struct ocfs2_xattr_block *old_xb = (struct ocfs2_xattr_block *)buf; struct ocfs2_xattr_header *old_xh = &old_xb->xb_attrs.xb_header; - int i, blocksize = inode->i_sb->s_blocksize; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); + int i; - xs->bucket->bu_bhs[0] = new_bh; - get_bh(new_bh); xs->header = bucket_xh(xs->bucket); - - xs->base = new_bh->b_data; + xs->base = bucket_block(xs->bucket, 0); xs->end = xs->base + inode->i_sb->s_blocksize; - if (!xs->not_found) { - if (OCFS2_XATTR_BUCKET_SIZE != blocksize) { - ret = ocfs2_read_blocks(inode, - bucket_blkno(xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket->bu_bhs[1], - 0); - if (ret) { - mlog_errno(ret); - return ret; - } - - } - i = xs->here - old_xh->xh_entries; - xs->here = &xs->header->xh_entries[i]; - } + if (xs->not_found) + return; - return ret; + i = xs->here - old_xh->xh_entries; + xs->here = &xs->header->xh_entries[i]; } static int ocfs2_xattr_create_index_block(struct inode *inode, @@ -2771,18 +2753,17 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_alloc_context *data_ac; - struct buffer_head *xh_bh = NULL, *data_bh = NULL; struct buffer_head *xb_bh = xs->xattr_bh; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_tree_root *xr; u16 xb_flags = le16_to_cpu(xb->xb_flags); - u16 bpb = ocfs2_blocks_per_xattr_bucket(inode->i_sb); mlog(0, "create xattr index block for %llu\n", (unsigned long long)xb_bh->b_blocknr); BUG_ON(xb_flags & OCFS2_XATTR_INDEXED); + BUG_ON(!xs->bucket); ret = ocfs2_reserve_clusters(osb, 1, &data_ac); if (ret) { @@ -2798,10 +2779,10 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, down_write(&oi->ip_alloc_sem); /* - * 3 more credits, one for xattr block update, one for the 1st block - * of the new xattr bucket and one for the value/data. + * We need more credits. One for the xattr block update and one + * for each block of the new xattr bucket. */ - credits += 3; + credits += 1 + ocfs2_blocks_per_xattr_bucket(inode->i_sb); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -2832,51 +2813,23 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, mlog(0, "allocate 1 cluster from %llu to xattr block\n", (unsigned long long)blkno); - xh_bh = sb_getblk(inode->i_sb, blkno); - if (!xh_bh) { - ret = -EIO; + ret = ocfs2_init_xattr_bucket(xs->bucket, blkno); + if (ret) { mlog_errno(ret); goto out_commit; } - ocfs2_set_new_buffer_uptodate(inode, xh_bh); - - ret = ocfs2_journal_access(handle, inode, xh_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); goto out_commit; } - if (bpb > 1) { - data_bh = sb_getblk(inode->i_sb, blkno + bpb - 1); - if (!data_bh) { - ret = -EIO; - mlog_errno(ret); - goto out_commit; - } - - ocfs2_set_new_buffer_uptodate(inode, data_bh); - - ret = ocfs2_journal_access(handle, inode, data_bh, - OCFS2_JOURNAL_ACCESS_CREATE); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - } - - ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xh_bh, data_bh); - - ocfs2_journal_dirty(handle, xh_bh); - if (data_bh) - ocfs2_journal_dirty(handle, data_bh); + ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket); + ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); - ret = ocfs2_xattr_update_xattr_search(inode, xs, xb_bh, xh_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } + ocfs2_xattr_update_xattr_search(inode, xs, xb_bh); /* Change from ocfs2_xattr_header to ocfs2_xattr_tree_root */ memset(&xb->xb_attrs, 0, inode->i_sb->s_blocksize - @@ -2911,9 +2864,6 @@ out: if (data_ac) ocfs2_free_alloc_context(data_ac); - brelse(xh_bh); - brelse(data_bh); - return ret; } -- cgit v0.10.2 From 161d6f30f18c4a7e2b24705b6690cce3ff276eb9 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 27 Oct 2008 15:25:18 -0700 Subject: ocfs2: Use buckets in ocfs2_defrag_xattr_bucket(). Use the ocfs2_xattr_bucket abstraction for reading and writing the bucket in ocfs2_defrag_xattr_bucket(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 76969b9..127a628 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2894,21 +2894,11 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, struct ocfs2_xattr_header *xh; char *entries, *buf, *bucket_buf = NULL; u64 blkno = bucket_blkno(bucket); - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u16 xh_free_start; size_t blocksize = inode->i_sb->s_blocksize; handle_t *handle; - struct buffer_head **bhs; struct ocfs2_xattr_entry *xe; - - bhs = kzalloc(sizeof(struct buffer_head *) * blk_per_bucket, - GFP_NOFS); - if (!bhs) - return -ENOMEM; - - ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket, bhs, 0); - if (ret) - goto out; + struct ocfs2_xattr_bucket *wb = NULL; /* * In order to make the operation more efficient and generic, @@ -2922,11 +2912,21 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, goto out; } + wb = ocfs2_xattr_bucket_new(inode); + if (!wb) { + ret = -ENOMEM; + goto out; + } + + ret = ocfs2_read_xattr_bucket(wb, blkno); + if (ret) + goto out; + buf = bucket_buf; - for (i = 0; i < blk_per_bucket; i++, buf += blocksize) - memcpy(buf, bhs[i]->b_data, blocksize); + for (i = 0; i < wb->bu_blocks; i++, buf += blocksize) + memcpy(buf, bucket_block(wb, i), blocksize); - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), blk_per_bucket); + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), wb->bu_blocks); if (IS_ERR(handle)) { ret = PTR_ERR(handle); handle = NULL; @@ -2934,13 +2934,11 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, goto out; } - for (i = 0; i < blk_per_bucket; i++) { - ret = ocfs2_journal_access(handle, inode, bhs[i], - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto commit; - } + ret = ocfs2_xattr_bucket_journal_access(handle, wb, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret < 0) { + mlog_errno(ret); + goto commit; } xh = (struct ocfs2_xattr_header *)bucket_buf; @@ -3009,21 +3007,14 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, cmp_xe, swap_xe); buf = bucket_buf; - for (i = 0; i < blk_per_bucket; i++, buf += blocksize) { - memcpy(bhs[i]->b_data, buf, blocksize); - ocfs2_journal_dirty(handle, bhs[i]); - } + for (i = 0; i < wb->bu_blocks; i++, buf += blocksize) + memcpy(bucket_block(wb, i), buf, blocksize); + ocfs2_xattr_bucket_journal_dirty(handle, wb); commit: ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: - - if (bhs) { - for (i = 0; i < blk_per_bucket; i++) - brelse(bhs[i]); - } - kfree(bhs); - + ocfs2_xattr_bucket_free(wb); kfree(bucket_buf); return ret; } -- cgit v0.10.2 From 02dbf38d19c19016f558fe0dc0c44f8041d3eb8e Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 27 Oct 2008 18:07:45 -0700 Subject: ocfs2: Use buckets in ocfs2_xattr_set_entry_in_bucket(). The ocfs2_xattr_set_entry_in_bucket() function is already working on an ocfs2_xattr_bucket structure, so let's use the bucket API. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 127a628..029a9f4 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4083,25 +4083,24 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, { int ret; handle_t *handle = NULL; - u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + u64 blkno; mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", (unsigned long)xi->value_len, xi->name_index, (unsigned long long)bucket_blkno(xs->bucket)); if (!xs->bucket->bu_bhs[1]) { - ret = ocfs2_read_blocks(inode, - bucket_blkno(xs->bucket) + 1, - blk_per_bucket - 1, &xs->bucket->bu_bhs[1], - 0); + blkno = bucket_blkno(xs->bucket); + ocfs2_xattr_bucket_relse(xs->bucket); + ret = ocfs2_read_xattr_bucket(xs->bucket, blkno); if (ret) { mlog_errno(ret); goto out; } } - handle = ocfs2_start_trans(osb, blk_per_bucket); + handle = ocfs2_start_trans(osb, xs->bucket->bu_blocks); if (IS_ERR(handle)) { ret = PTR_ERR(handle); handle = NULL; -- cgit v0.10.2 From 1c32a2fd46ddc01bd86bff56a8f5d98c815750f4 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 6 Nov 2008 08:10:47 +0800 Subject: ocfs2/xattr: Remove additional bucket allocation in bucket defragment. Joel has refactored xattr bucket and make xattr bucket a general wrapper. So in ocfs2_defrag_xattr_bucket, we have already passed the bucket in, so there is no need to allocate a new one and read it. Signed-off-by: Tao Ma Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 029a9f4..87cf39d 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2898,7 +2898,6 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, size_t blocksize = inode->i_sb->s_blocksize; handle_t *handle; struct ocfs2_xattr_entry *xe; - struct ocfs2_xattr_bucket *wb = NULL; /* * In order to make the operation more efficient and generic, @@ -2912,21 +2911,11 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, goto out; } - wb = ocfs2_xattr_bucket_new(inode); - if (!wb) { - ret = -ENOMEM; - goto out; - } - - ret = ocfs2_read_xattr_bucket(wb, blkno); - if (ret) - goto out; - buf = bucket_buf; - for (i = 0; i < wb->bu_blocks; i++, buf += blocksize) - memcpy(buf, bucket_block(wb, i), blocksize); + for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize) + memcpy(buf, bucket_block(bucket, i), blocksize); - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), wb->bu_blocks); + handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), bucket->bu_blocks); if (IS_ERR(handle)) { ret = PTR_ERR(handle); handle = NULL; @@ -2934,7 +2923,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_xattr_bucket_journal_access(handle, wb, + ret = ocfs2_xattr_bucket_journal_access(handle, bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); @@ -3007,14 +2996,13 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, cmp_xe, swap_xe); buf = bucket_buf; - for (i = 0; i < wb->bu_blocks; i++, buf += blocksize) - memcpy(bucket_block(wb, i), buf, blocksize); - ocfs2_xattr_bucket_journal_dirty(handle, wb); + for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize) + memcpy(bucket_block(bucket, i), buf, blocksize); + ocfs2_xattr_bucket_journal_dirty(handle, bucket); commit: ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: - ocfs2_xattr_bucket_free(wb); kfree(bucket_buf); return ret; } -- cgit v0.10.2 From 757055adc5d41b910bdead925060f077dd2d9169 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 6 Nov 2008 08:10:48 +0800 Subject: ocfs2/xattr: Only set buffer update if it doesn't exist in cache. When we call ocfs2_init_xattr_bucket, we deem that the new buffer head will be written to disk immediately, so we just use sb_getblk. But in some cases the buffer may have already been in ocfs2 uptodate cache, so we only call ocfs2_set_buffer_uptodate if the buffer head isn't in the cache. Signed-off-by: Tao Ma Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 87cf39d..d8fc714 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -219,8 +219,10 @@ static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket, break; } - ocfs2_set_new_buffer_uptodate(bucket->bu_inode, - bucket->bu_bhs[i]); + if (!ocfs2_buffer_uptodate(bucket->bu_inode, + bucket->bu_bhs[i])) + ocfs2_set_new_buffer_uptodate(bucket->bu_inode, + bucket->bu_bhs[i]); } if (rc) -- cgit v0.10.2 From 976331d8789d4d84a11b45b87c520ade83715343 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 12 Nov 2008 08:26:57 +0800 Subject: ocfs2/xattr: Only extend xattr bucket in need. When the first block of a bucket is filled up with xattr entries, we normally extend the bucket. But if we are just replace one xattr with small length, we don't need to extend it. This is important since we will calculate what we need before the transaction and in this situation no resources will be allocated. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index d8fc714..4501c63 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4564,7 +4564,9 @@ try_again: free, need, max_free, le16_to_cpu(xh->xh_free_start), le16_to_cpu(xh->xh_name_value_len)); - if (free < need || count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { + if (free < need || + (xs->not_found && + count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb))) { if (need <= max_free && count < ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) { /* -- cgit v0.10.2 From 2891d290aa6eee0821f7e4ad0b1c4ae4d964b0f1 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 12 Nov 2008 08:26:58 +0800 Subject: ocfs2: Add clusters free in dealloc_ctxt. Now in ocfs2 xattr set, the whole process are divided into many small parts and they are wrapped into diffrent transactions and it make the set doesn't look like a real transaction. So we want to integrate it into a real one. In some cases we will allocate some clusters and free some in just one transaction. e.g, one xattr is larger than inline size, so it and its value root is stored within the inode while the value is outside in a cluster. Then we try to update it with a smaller value(larger than the size of root but smaller than inline size), we may need to free the outside cluster while allocate a new bucket(one cluster) since now the inode may be full. The old solution will lock the global_bitmap(if the local alloc failed in stress test) and then the truncate log. This will cause a ABBA lock with truncate log flush. This patch add the clusters free in dealloc_ctxt, so that we can record the free clusters during the transaction and then free it after we release the global_bitmap in xattr set. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 0cc2deb..4614614 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5800,7 +5800,10 @@ int ocfs2_truncate_log_init(struct ocfs2_super *osb) */ /* - * Describes a single block free from a suballocator + * Describe a single bit freed from a suballocator. For the block + * suballocators, it represents one block. For the global cluster + * allocator, it represents some clusters and free_bit indicates + * clusters number. */ struct ocfs2_cached_block_free { struct ocfs2_cached_block_free *free_next; @@ -5815,10 +5818,10 @@ struct ocfs2_per_slot_free_list { struct ocfs2_cached_block_free *f_first; }; -static int ocfs2_free_cached_items(struct ocfs2_super *osb, - int sysfile_type, - int slot, - struct ocfs2_cached_block_free *head) +static int ocfs2_free_cached_blocks(struct ocfs2_super *osb, + int sysfile_type, + int slot, + struct ocfs2_cached_block_free *head) { int ret; u64 bg_blkno; @@ -5893,6 +5896,82 @@ out: return ret; } +int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, + u64 blkno, unsigned int bit) +{ + int ret = 0; + struct ocfs2_cached_block_free *item; + + item = kmalloc(sizeof(*item), GFP_NOFS); + if (item == NULL) { + ret = -ENOMEM; + mlog_errno(ret); + return ret; + } + + mlog(0, "Insert clusters: (bit %u, blk %llu)\n", + bit, (unsigned long long)blkno); + + item->free_blk = blkno; + item->free_bit = bit; + item->free_next = ctxt->c_global_allocator; + + ctxt->c_global_allocator = item; + return ret; +} + +static int ocfs2_free_cached_clusters(struct ocfs2_super *osb, + struct ocfs2_cached_block_free *head) +{ + struct ocfs2_cached_block_free *tmp; + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + int ret = 0; + + mutex_lock(&tl_inode->i_mutex); + + while (head) { + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + break; + } + } + + handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + break; + } + + ret = ocfs2_truncate_log_append(osb, handle, head->free_blk, + head->free_bit); + + ocfs2_commit_trans(osb, handle); + tmp = head; + head = head->free_next; + kfree(tmp); + + if (ret < 0) { + mlog_errno(ret); + break; + } + } + + mutex_unlock(&tl_inode->i_mutex); + + while (head) { + /* Premature exit may have left some dangling items. */ + tmp = head; + head = head->free_next; + kfree(tmp); + } + + return ret; +} + int ocfs2_run_deallocs(struct ocfs2_super *osb, struct ocfs2_cached_dealloc_ctxt *ctxt) { @@ -5908,8 +5987,10 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb, if (fl->f_first) { mlog(0, "Free items: (type %u, slot %d)\n", fl->f_inode_type, fl->f_slot); - ret2 = ocfs2_free_cached_items(osb, fl->f_inode_type, - fl->f_slot, fl->f_first); + ret2 = ocfs2_free_cached_blocks(osb, + fl->f_inode_type, + fl->f_slot, + fl->f_first); if (ret2) mlog_errno(ret2); if (!ret) @@ -5920,6 +6001,17 @@ int ocfs2_run_deallocs(struct ocfs2_super *osb, kfree(fl); } + if (ctxt->c_global_allocator) { + ret2 = ocfs2_free_cached_clusters(osb, + ctxt->c_global_allocator); + if (ret2) + mlog_errno(ret2); + if (!ret) + ret = ret2; + + ctxt->c_global_allocator = NULL; + } + return ret; } diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 70257c8..c301cf2 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -167,11 +167,15 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb); */ struct ocfs2_cached_dealloc_ctxt { struct ocfs2_per_slot_free_list *c_first_suballocator; + struct ocfs2_cached_block_free *c_global_allocator; }; static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c) { c->c_first_suballocator = NULL; + c->c_global_allocator = NULL; } +int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, + u64 blkno, unsigned int bit); int ocfs2_run_deallocs(struct ocfs2_super *osb, struct ocfs2_cached_dealloc_ctxt *ctxt); -- cgit v0.10.2 From c73f60f900ddf73ec4ea2a143829ab97242c4e8c Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 12 Nov 2008 08:26:59 +0800 Subject: ocfs2/xattr: Move clusters free into dealloc. Move clusters free process into dealloc context so that they can be freed after the transaction. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4501c63..f1da381 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -457,7 +457,6 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, int ret; u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct inode *tl_inode = osb->osb_tl_inode; handle_t *handle; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_extent_tree et; @@ -470,16 +469,6 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, return ret; } - mutex_lock(&tl_inode->i_mutex); - - if (ocfs2_truncate_log_needs_flush(osb)) { - ret = __ocfs2_flush_truncate_log(osb); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - } - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -509,14 +498,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out_commit; } - ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); + ret = ocfs2_cache_cluster_dealloc(dealloc, phys_blkno, len); if (ret) mlog_errno(ret); out_commit: ocfs2_commit_trans(osb, handle); out: - mutex_unlock(&tl_inode->i_mutex); if (meta_ac) ocfs2_free_alloc_context(meta_ac); -- cgit v0.10.2 From 78f30c314a74b9dc5d7368d96fe4be883d9a3a04 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 12 Nov 2008 08:27:00 +0800 Subject: ocfs2/xattr: Reserve meta/data at the beginning of ocfs2_xattr_set. In ocfs2 xattr set, we reserve metadata and clusters in any place they are needed. It is time-consuming and ineffective, so this patch try to reserve metadata and clusters at the beginning of ocfs2_xattr_set. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index c301cf2..3eb735e 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -176,6 +176,10 @@ static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c) } int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt, u64 blkno, unsigned int bit); +static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c) +{ + return c->c_global_allocator != NULL; +} int ocfs2_run_deallocs(struct ocfs2_super *osb, struct ocfs2_cached_dealloc_ctxt *ctxt); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index f1da381..4fd201a 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -71,6 +71,12 @@ struct ocfs2_xattr_bucket { int bu_blocks; }; +struct ocfs2_xattr_set_ctxt { + struct ocfs2_alloc_context *meta_ac; + struct ocfs2_alloc_context *data_ac; + struct ocfs2_cached_dealloc_ctxt dealloc; +}; + #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) #define OCFS2_XATTR_INLINE_SIZE 80 @@ -133,11 +139,13 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode, size_t buffer_size); static int ocfs2_xattr_create_index_block(struct inode *inode, - struct ocfs2_xattr_search *xs); + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt); static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs); + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt); static int ocfs2_delete_xattr_index_block(struct inode *inode, struct buffer_head *xb_bh); @@ -334,14 +342,13 @@ static void ocfs2_xattr_hash_entry(struct inode *inode, static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, struct buffer_head *xattr_bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_set_ctxt *ctxt) { int status = 0; int restart_func = 0; int credits = 0; handle_t *handle = NULL; - struct ocfs2_alloc_context *data_ac = NULL; - struct ocfs2_alloc_context *meta_ac = NULL; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); @@ -353,13 +360,6 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, restart_all: - status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, - &data_ac, &meta_ac); - if (status) { - mlog_errno(status); - goto leave; - } - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, clusters_to_add); handle = ocfs2_start_trans(osb, credits); @@ -386,8 +386,8 @@ restarted_transaction: 0, &et, handle, - data_ac, - meta_ac, + ctxt->data_ac, + ctxt->meta_ac, &why); if ((status < 0) && (status != -EAGAIN)) { if (status != -ENOSPC) @@ -432,14 +432,6 @@ leave: ocfs2_commit_trans(osb, handle); handle = NULL; } - if (data_ac) { - ocfs2_free_alloc_context(data_ac); - data_ac = NULL; - } - if (meta_ac) { - ocfs2_free_alloc_context(meta_ac); - meta_ac = NULL; - } if ((!status) && restart_func) { restart_func = 0; goto restart_all; @@ -452,23 +444,16 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_xattr_value_root *xv, u32 cpos, u32 phys_cpos, u32 len, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_xattr_set_ctxt *ctxt) { int ret; u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); handle_t *handle; - struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_extent_tree et; ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv); - ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); - if (ret) { - mlog_errno(ret); - return ret; - } - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -483,8 +468,8 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out_commit; } - ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, - dealloc); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac, + &ctxt->dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -498,17 +483,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out_commit; } - ret = ocfs2_cache_cluster_dealloc(dealloc, phys_blkno, len); + ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len); if (ret) mlog_errno(ret); out_commit: ocfs2_commit_trans(osb, handle); out: - - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - return ret; } @@ -516,15 +497,12 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, u32 old_clusters, u32 new_clusters, struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret = 0; u32 trunc_len, cpos, phys_cpos, alloc_size; u64 block; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_cached_dealloc_ctxt dealloc; - - ocfs2_init_dealloc_ctxt(&dealloc); if (old_clusters <= new_clusters) return 0; @@ -544,7 +522,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos, phys_cpos, alloc_size, - &dealloc); + ctxt); if (ret) { mlog_errno(ret); goto out; @@ -558,16 +536,14 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, } out: - ocfs2_schedule_truncate_log_flush(osb, 1); - ocfs2_run_deallocs(osb, &dealloc); - return ret; } static int ocfs2_xattr_value_truncate(struct inode *inode, struct buffer_head *root_bh, struct ocfs2_xattr_value_root *xv, - int len) + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret; u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len); @@ -579,11 +555,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, if (new_clusters > old_clusters) ret = ocfs2_xattr_extend_allocation(inode, new_clusters - old_clusters, - root_bh, xv); + root_bh, xv, ctxt); else ret = ocfs2_xattr_shrink_size(inode, old_clusters, new_clusters, - root_bh, xv); + root_bh, xv, ctxt); return ret; } @@ -1167,6 +1143,7 @@ out: static int ocfs2_xattr_set_value_outside(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt, size_t offs) { size_t name_len = strlen(xi->name); @@ -1186,7 +1163,7 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, xv->xr_list.l_next_free_rec = 0; ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, - xi->value_len); + xi->value_len, ctxt); if (ret < 0) { mlog_errno(ret); return ret; @@ -1317,6 +1294,7 @@ static void ocfs2_xattr_set_entry_local(struct inode *inode, static int ocfs2_xattr_set_entry(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt, int flag) { struct ocfs2_xattr_entry *last; @@ -1387,7 +1365,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, if (ocfs2_xattr_is_local(xs->here) && size == size_l) { /* Replace existing local xattr with tree root */ ret = ocfs2_xattr_set_value_outside(inode, xi, xs, - offs); + ctxt, offs); if (ret < 0) mlog_errno(ret); goto out; @@ -1406,7 +1384,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode, ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, - xi->value_len); + xi->value_len, + ctxt); if (ret < 0) { mlog_errno(ret); goto out; @@ -1436,7 +1415,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode, ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, - 0); + 0, + ctxt); if (ret < 0) mlog_errno(ret); } @@ -1531,7 +1511,7 @@ out_commit: * This is the second step for value size > INLINE_SIZE. */ size_t offs = le16_to_cpu(xs->here->xe_name_offset); - ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs); + ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, offs); if (ret < 0) { int ret2; @@ -1555,6 +1535,10 @@ static int ocfs2_remove_value_outside(struct inode*inode, struct ocfs2_xattr_header *header) { int ret = 0, i; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, }; + + ocfs2_init_dealloc_ctxt(&ctxt.dealloc); for (i = 0; i < le16_to_cpu(header->xh_count); i++) { struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; @@ -1567,14 +1551,17 @@ static int ocfs2_remove_value_outside(struct inode*inode, le16_to_cpu(entry->xe_name_offset); xv = (struct ocfs2_xattr_value_root *) (val + OCFS2_XATTR_SIZE(entry->xe_name_len)); - ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0); + ret = ocfs2_xattr_value_truncate(inode, bh, xv, + 0, &ctxt); if (ret < 0) { mlog_errno(ret); - return ret; + break; } } } + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); return ret; } @@ -1836,7 +1823,8 @@ static int ocfs2_xattr_ibody_find(struct inode *inode, */ static int ocfs2_xattr_ibody_set(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; @@ -1853,7 +1841,7 @@ static int ocfs2_xattr_ibody_set(struct inode *inode, } } - ret = ocfs2_xattr_set_entry(inode, xi, xs, + ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt, (OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL)); out: up_write(&oi->ip_alloc_sem); @@ -1926,12 +1914,12 @@ cleanup: */ static int ocfs2_xattr_block_set(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct buffer_head *new_bh = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; - struct ocfs2_alloc_context *meta_ac = NULL; handle_t *handle = NULL; struct ocfs2_xattr_block *xblk = NULL; u16 suballoc_bit_start; @@ -1940,15 +1928,6 @@ static int ocfs2_xattr_block_set(struct inode *inode, int ret; if (!xs->xattr_bh) { - /* - * Alloc one external block for extended attribute - * outside of inode. - */ - ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac); - if (ret < 0) { - mlog_errno(ret); - goto out; - } handle = ocfs2_start_trans(osb, OCFS2_XATTR_BLOCK_CREATE_CREDITS); if (IS_ERR(handle)) { @@ -1963,7 +1942,7 @@ static int ocfs2_xattr_block_set(struct inode *inode, goto out_commit; } - ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1, + ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1, &suballoc_bit_start, &num_got, &first_blkno); if (ret < 0) { @@ -1996,7 +1975,6 @@ static int ocfs2_xattr_block_set(struct inode *inode, xs->end = (void *)xblk + inode->i_sb->s_blocksize; xs->here = xs->header->xh_entries; - ret = ocfs2_journal_dirty(handle, new_bh); if (ret < 0) { mlog_errno(ret); @@ -2009,8 +1987,6 @@ static int ocfs2_xattr_block_set(struct inode *inode, out_commit: ocfs2_commit_trans(osb, handle); out: - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); if (ret < 0) return ret; } else @@ -2018,22 +1994,266 @@ out: if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) { /* Set extended attribute into external block */ - ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL); + ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt, + OCFS2_HAS_XATTR_FL); if (!ret || ret != -ENOSPC) goto end; - ret = ocfs2_xattr_create_index_block(inode, xs); + ret = ocfs2_xattr_create_index_block(inode, xs, ctxt); if (ret) goto end; } - ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs); + ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt); end: return ret; } +/* Check whether the new xattr can be inserted into the inode. */ +static int ocfs2_xattr_can_be_in_inode(struct inode *inode, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xs) +{ + u64 value_size; + struct ocfs2_xattr_entry *last; + int free, i; + size_t min_offs = xs->end - xs->base; + + if (!xs->header) + return 0; + + last = xs->header->xh_entries; + + for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + size_t offs = le16_to_cpu(last->xe_name_offset); + if (offs < min_offs) + min_offs = offs; + last += 1; + } + + free = min_offs - ((void *)last - xs->base) - sizeof(__u32); + if (free < 0) + return 0; + + BUG_ON(!xs->not_found); + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + value_size = OCFS2_XATTR_ROOT_SIZE; + else + value_size = OCFS2_XATTR_SIZE(xi->value_len); + + if (free >= sizeof(struct ocfs2_xattr_entry) + + OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size) + return 1; + + return 0; +} + +static int ocfs2_calc_xattr_set_need(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + int *clusters_need, + int *meta_need) +{ + int ret = 0, old_in_xb = 0; + int clusters_add = 0, meta_add = 0; + struct buffer_head *bh = NULL; + struct ocfs2_xattr_block *xb = NULL; + struct ocfs2_xattr_entry *xe = NULL; + struct ocfs2_xattr_value_root *xv = NULL; + char *base = NULL; + int name_offset, name_len = 0; + u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + xi->value_len); + u64 value_size; + + /* + * delete a xattr doesn't need metadata and cluster allocation. + * so return. + */ + if (!xi->value) + goto out; + + if (xis->not_found && xbs->not_found) { + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + clusters_add += new_clusters; + + goto meta_guess; + } + + if (!xis->not_found) { + xe = xis->here; + name_offset = le16_to_cpu(xe->xe_name_offset); + name_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + base = xis->base; + } else { + int i, block_off; + xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; + xe = xbs->here; + name_offset = le16_to_cpu(xe->xe_name_offset); + name_len = OCFS2_XATTR_SIZE(xe->xe_name_len); + i = xbs->here - xbs->header->xh_entries; + old_in_xb = 1; + + if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { + ret = ocfs2_xattr_bucket_get_name_value(inode, + bucket_xh(xbs->bucket), + i, &block_off, + &name_offset); + base = bucket_block(xbs->bucket, block_off); + } else + base = xbs->base; + } + + /* do cluster allocation guess first. */ + value_size = le64_to_cpu(xe->xe_value_size); + + if (old_in_xb) { + /* + * In xattr set, we always try to set the xe in inode first, + * so if it can be inserted into inode successfully, the old + * one will be removed from the xattr block, and this xattr + * will be inserted into inode as a new xattr in inode. + */ + if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) { + clusters_add += new_clusters; + goto out; + } + } + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { + /* the new values will be stored outside. */ + u32 old_clusters = 0; + + if (!ocfs2_xattr_is_local(xe)) { + old_clusters = ocfs2_clusters_for_bytes(inode->i_sb, + value_size); + xv = (struct ocfs2_xattr_value_root *) + (base + name_offset + name_len); + } else + xv = &def_xv.xv; + + if (old_clusters >= new_clusters) + goto out; + else { + meta_add += ocfs2_extend_meta_needed(&xv->xr_list); + clusters_add += new_clusters - old_clusters; + goto out; + } + } else { + /* + * Now the new value will be stored inside. So if the new + * value is smaller than the size of value root or the old + * value, we don't need any allocation, otherwise we have + * to guess metadata allocation. + */ + if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) || + (!ocfs2_xattr_is_local(xe) && + OCFS2_XATTR_ROOT_SIZE >= xi->value_len)) + goto out; + } + +meta_guess: + /* calculate metadata allocation. */ + if (di->i_xattr_loc) { + if (!xbs->xattr_bh) { + ret = ocfs2_read_block(inode, + le64_to_cpu(di->i_xattr_loc), + &bh); + if (ret) { + mlog_errno(ret); + goto out; + } + + xb = (struct ocfs2_xattr_block *)bh->b_data; + } else + xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; + + if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { + struct ocfs2_extent_list *el = + &xb->xb_attrs.xb_root.xt_list; + meta_add += ocfs2_extend_meta_needed(el); + } + + /* + * This cluster will be used either for new bucket or for + * new xattr block. + * If the cluster size is the same as the bucket size, one + * more is needed since we may need to extend the bucket + * also. + */ + clusters_add += 1; + if (OCFS2_XATTR_BUCKET_SIZE == + OCFS2_SB(inode->i_sb)->s_clustersize) + clusters_add += 1; + } else + meta_add += 1; +out: + if (clusters_need) + *clusters_need = clusters_add; + if (meta_need) + *meta_need = meta_add; + brelse(bh); + return ret; +} + +static int ocfs2_init_xattr_set_ctxt(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + struct ocfs2_xattr_set_ctxt *ctxt) +{ + int clusters_add, meta_add, ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + + memset(ctxt, 0, sizeof(struct ocfs2_xattr_set_ctxt)); + + ocfs2_init_dealloc_ctxt(&ctxt->dealloc); + + ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs, + &clusters_add, &meta_add); + if (ret) { + mlog_errno(ret); + return ret; + } + + mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d\n", + xi->name, meta_add, clusters_add); + + if (meta_add) { + ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add, + &ctxt->meta_ac); + if (ret) { + mlog_errno(ret); + goto out; + } + } + + if (clusters_add) { + ret = ocfs2_reserve_clusters(osb, clusters_add, &ctxt->data_ac); + if (ret) + mlog_errno(ret); + } +out: + if (ret) { + if (ctxt->meta_ac) { + ocfs2_free_alloc_context(ctxt->meta_ac); + ctxt->meta_ac = NULL; + } + + /* + * We cannot have an error and a non null ctxt->data_ac. + */ + } + + return ret; +} + /* * ocfs2_xattr_set() * @@ -2051,6 +2271,8 @@ int ocfs2_xattr_set(struct inode *inode, struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; int ret; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, }; struct ocfs2_xattr_info xi = { .name_index = name_index, @@ -2115,15 +2337,21 @@ int ocfs2_xattr_set(struct inode *inode, goto cleanup; } + ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, &xbs, &ctxt); + if (ret) { + mlog_errno(ret); + goto cleanup; + } + if (!value) { /* Remove existing extended attribute */ if (!xis.not_found) - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt); else if (!xbs.not_found) - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); } else { /* We always try to set extended attribute into inode first*/ - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt); if (!ret && !xbs.not_found) { /* * If succeed and that extended attribute existing in @@ -2131,7 +2359,7 @@ int ocfs2_xattr_set(struct inode *inode, */ xi.value = NULL; xi.value_len = 0; - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); } else if (ret == -ENOSPC) { if (di->i_xattr_loc && !xbs.xattr_bh) { ret = ocfs2_xattr_block_find(inode, name_index, @@ -2143,9 +2371,9 @@ int ocfs2_xattr_set(struct inode *inode, * If no space in inode, we will set extended attribute * into external block. */ - ret = ocfs2_xattr_block_set(inode, &xi, &xbs); + ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); if (ret) - goto cleanup; + goto free; if (!xis.not_found) { /* * If succeed and that extended attribute @@ -2153,10 +2381,19 @@ int ocfs2_xattr_set(struct inode *inode, */ xi.value = NULL; xi.value_len = 0; - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis); + ret = ocfs2_xattr_ibody_set(inode, &xi, + &xis, &ctxt); } } } +free: + if (ctxt.data_ac) + ocfs2_free_alloc_context(ctxt.data_ac); + if (ctxt.meta_ac) + ocfs2_free_alloc_context(ctxt.meta_ac); + if (ocfs2_dealloc_has_cluster(&ctxt.dealloc)) + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); cleanup: up_write(&OCFS2_I(inode)->ip_xattr_sem); ocfs2_inode_unlock(inode, 1); @@ -2734,7 +2971,8 @@ static void ocfs2_xattr_update_xattr_search(struct inode *inode, } static int ocfs2_xattr_create_index_block(struct inode *inode, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, credits = OCFS2_SUBALLOC_ALLOC; u32 bit_off, len; @@ -2742,7 +2980,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, handle_t *handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(inode); - struct ocfs2_alloc_context *data_ac; struct buffer_head *xb_bh = xs->xattr_bh; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; @@ -2755,12 +2992,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, BUG_ON(xb_flags & OCFS2_XATTR_INDEXED); BUG_ON(!xs->bucket); - ret = ocfs2_reserve_clusters(osb, 1, &data_ac); - if (ret) { - mlog_errno(ret); - goto out; - } - /* * XXX: * We can use this lock for now, and maybe move to a dedicated mutex @@ -2787,7 +3018,8 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, goto out_commit; } - ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len); + ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, + 1, 1, &bit_off, &len); if (ret) { mlog_errno(ret); goto out_commit; @@ -2850,10 +3082,6 @@ out_commit: out_sem: up_write(&oi->ip_alloc_sem); -out: - if (data_ac) - ocfs2_free_alloc_context(data_ac); - return ret; } @@ -3614,7 +3842,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, u32 *num_clusters, u32 prev_cpos, u64 prev_blkno, - int *extend) + int *extend, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, credits; u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); @@ -3622,8 +3851,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0; u64 block; handle_t *handle = NULL; - struct ocfs2_alloc_context *data_ac = NULL; - struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; @@ -3634,13 +3861,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); - ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, - &data_ac, &meta_ac); - if (ret) { - mlog_errno(ret); - goto leave; - } - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, clusters_to_add); handle = ocfs2_start_trans(osb, credits); @@ -3658,7 +3878,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, goto leave; } - ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1, + ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1, clusters_to_add, &bit_off, &num_bits); if (ret < 0) { if (ret != -ENOSPC) @@ -3719,7 +3939,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, (unsigned long long)block, v_start); ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, - num_bits, 0, meta_ac); + num_bits, 0, ctxt->meta_ac); if (ret < 0) { mlog_errno(ret); goto leave; @@ -3734,10 +3954,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, leave: if (handle) ocfs2_commit_trans(osb, handle); - if (data_ac) - ocfs2_free_alloc_context(data_ac); - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); return ret; } @@ -3821,7 +4037,8 @@ out: */ static int ocfs2_add_new_xattr_bucket(struct inode *inode, struct buffer_head *xb_bh, - struct buffer_head *header_bh) + struct buffer_head *header_bh, + struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_xattr_header *first_xh = NULL; struct buffer_head *first_bh = NULL; @@ -3872,7 +4089,8 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, &num_clusters, e_cpos, p_blkno, - &extend); + &extend, + ctxt); if (ret) { mlog_errno(ret); goto out; @@ -4147,7 +4365,8 @@ out: static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, struct buffer_head *header_bh, int xe_off, - int len) + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, offset; u64 value_blk; @@ -4182,7 +4401,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", xe_off, (unsigned long long)header_bh->b_blocknr, len); - ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len); + ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt); if (ret) { mlog_errno(ret); goto out; @@ -4200,8 +4419,9 @@ out: } static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, - struct ocfs2_xattr_search *xs, - int len) + struct ocfs2_xattr_search *xs, + int len, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, offset; struct ocfs2_xattr_entry *xe = xs->here; @@ -4211,7 +4431,7 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, offset = xe - xh->xh_entries; ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0], - offset, len); + offset, len, ctxt); if (ret) mlog_errno(ret); @@ -4375,7 +4595,8 @@ out_commit: */ static int ocfs2_xattr_set_in_bucket(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { int ret, local = 1; size_t value_len; @@ -4403,7 +4624,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, value_len = 0; ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, - value_len); + value_len, + ctxt); if (ret) goto out; @@ -4434,7 +4656,7 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, /* allocate the space now for the outside block storage. */ ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs, - value_len); + value_len, ctxt); if (ret) { mlog_errno(ret); @@ -4485,7 +4707,8 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode, static int ocfs2_xattr_set_entry_index_block(struct inode *inode, struct ocfs2_xattr_info *xi, - struct ocfs2_xattr_search *xs) + struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_xattr_header *xh; struct ocfs2_xattr_entry *xe; @@ -4603,7 +4826,8 @@ try_again: ret = ocfs2_add_new_xattr_bucket(inode, xs->xattr_bh, - xs->bucket->bu_bhs[0]); + xs->bucket->bu_bhs[0], + ctxt); if (ret) { mlog_errno(ret); goto out; @@ -4622,7 +4846,7 @@ try_again: } xattr_set: - ret = ocfs2_xattr_set_in_bucket(inode, xi, xs); + ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt); out: mlog_exit(ret); return ret; @@ -4636,6 +4860,10 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, struct ocfs2_xattr_header *xh = bucket_xh(bucket); u16 i; struct ocfs2_xattr_entry *xe; + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,}; + + ocfs2_init_dealloc_ctxt(&ctxt.dealloc); for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { xe = &xh->xh_entries[i]; @@ -4644,13 +4872,16 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, ret = ocfs2_xattr_bucket_value_truncate(inode, bucket->bu_bhs[0], - i, 0); + i, 0, &ctxt); if (ret) { mlog_errno(ret); break; } } + ocfs2_schedule_truncate_log_flush(osb, 1); + ocfs2_run_deallocs(osb, &ctxt.dealloc); + return ret; } -- cgit v0.10.2 From 85db90e77806d48a19fda77dabe8897d369a1710 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 12 Nov 2008 08:27:01 +0800 Subject: ocfs2/xattr: Merge xattr set transaction. In current ocfs2/xattr, the whole xattr set is divided into many steps are many transaction are used, this make the xattr set process isn't like a real transaction, so this patch try to merge all the transaction into one. Another benefit is that acl can use it easily now. I don't merge the transaction of deleting xattr when we remove an inode. The reason is that if we have a large number of xattrs and every xattrs has large values(large enough for outside storage), the whole transaction will be very huge and it looks like jbd can't handle it(I meet with a jbd complain once). And the old inode removal is also divided into many steps, so I'd like to leave as it is. Note: In xattr set, I try to avoid ocfs2_extend_trans since if the credits aren't enough for the extension, it will commit all the dirty blocks and create a new transaction which may lead to inconsistency in metadata. All ocfs2_extend_trans remained are safe now. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4fd201a..7a90892 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -72,6 +72,7 @@ struct ocfs2_xattr_bucket { }; struct ocfs2_xattr_set_ctxt { + handle_t *handle; struct ocfs2_alloc_context *meta_ac; struct ocfs2_alloc_context *data_ac; struct ocfs2_cached_dealloc_ctxt dealloc; @@ -346,9 +347,7 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, struct ocfs2_xattr_set_ctxt *ctxt) { int status = 0; - int restart_func = 0; - int credits = 0; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); @@ -358,19 +357,6 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv); -restart_all: - - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, - clusters_to_add); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - status = PTR_ERR(handle); - handle = NULL; - mlog_errno(status); - goto leave; - } - -restarted_transaction: status = ocfs2_journal_access(handle, inode, xattr_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { @@ -389,9 +375,8 @@ restarted_transaction: ctxt->data_ac, ctxt->meta_ac, &why); - if ((status < 0) && (status != -EAGAIN)) { - if (status != -ENOSPC) - mlog_errno(status); + if (status < 0) { + mlog_errno(status); goto leave; } @@ -403,39 +388,13 @@ restarted_transaction: clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters; - if (why != RESTART_NONE && clusters_to_add) { - if (why == RESTART_META) { - mlog(0, "restarting function.\n"); - restart_func = 1; - } else { - BUG_ON(why != RESTART_TRANS); - - mlog(0, "restarting transaction.\n"); - /* TODO: This can be more intelligent. */ - credits = ocfs2_calc_extend_credits(osb->sb, - et.et_root_el, - clusters_to_add); - status = ocfs2_extend_trans(handle, credits); - if (status < 0) { - /* handle still has to be committed at - * this point. */ - status = -ENOMEM; - mlog_errno(status); - goto leave; - } - goto restarted_transaction; - } - } + /* + * We should have already allocated enough space before the transaction, + * so no need to restart. + */ + BUG_ON(why != RESTART_NONE || clusters_to_add); leave: - if (handle) { - ocfs2_commit_trans(osb, handle); - handle = NULL; - } - if ((!status) && restart_func) { - restart_func = 0; - goto restart_all; - } return status; } @@ -448,31 +407,23 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, { int ret; u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - handle_t *handle; + handle_t *handle = ctxt->handle; struct ocfs2_extent_tree et; ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv); - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - ret = ocfs2_journal_access(handle, inode, root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac, &ctxt->dealloc); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } le32_add_cpu(&xv->xr_clusters, -len); @@ -480,15 +431,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, ret = ocfs2_journal_dirty(handle, root_bh); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len); if (ret) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(osb, handle); out: return ret; } @@ -975,6 +924,7 @@ static int ocfs2_xattr_get(struct inode *inode, } static int __ocfs2_xattr_set_value_outside(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_value_root *xv, const void *value, int value_len) @@ -986,14 +936,17 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len); u64 blkno; struct buffer_head *bh = NULL; - handle_t *handle; BUG_ON(clusters > le32_to_cpu(xv->xr_clusters)); + /* + * In __ocfs2_xattr_set_value_outside has already been dirtied, + * so we don't need to worry about whether ocfs2_extend_trans + * will create a new transactio for us or not. + */ credits = clusters * bpc; - handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); + ret = ocfs2_extend_trans(handle, credits); + if (ret) { mlog_errno(ret); goto out; } @@ -1003,7 +956,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, &num_clusters, &xv->xr_list); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); @@ -1012,7 +965,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, ret = ocfs2_read_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = ocfs2_journal_access(handle, @@ -1021,7 +974,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } cp_len = value_len > blocksize ? blocksize : value_len; @@ -1035,7 +988,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, ret = ocfs2_journal_dirty(handle, bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } brelse(bh); bh = NULL; @@ -1049,8 +1002,6 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, } cpos += num_clusters; } -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: brelse(bh); @@ -1058,28 +1009,21 @@ out: } static int ocfs2_xattr_cleanup(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, size_t offs) { - handle_t *handle = NULL; int ret = 0; size_t name_len = strlen(xi->name); void *val = xs->base + offs; size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } /* Decrease xattr count */ le16_add_cpu(&xs->header->xh_count, -1); @@ -1090,32 +1034,23 @@ static int ocfs2_xattr_cleanup(struct inode *inode, ret = ocfs2_journal_dirty(handle, xs->xattr_bh); if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: return ret; } static int ocfs2_xattr_update_entry(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, size_t offs) { - handle_t *handle = NULL; - int ret = 0; + int ret; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } xs->here->xe_name_offset = cpu_to_le16(offs); @@ -1129,8 +1064,6 @@ static int ocfs2_xattr_update_entry(struct inode *inode, ret = ocfs2_journal_dirty(handle, xs->xattr_bh); if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: return ret; } @@ -1168,13 +1101,13 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, mlog_errno(ret); return ret; } - ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value, - xi->value_len); + ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, offs); if (ret < 0) { mlog_errno(ret); return ret; } - ret = ocfs2_xattr_update_entry(inode, xi, xs, offs); + ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, xv, + xi->value, xi->value_len); if (ret < 0) mlog_errno(ret); @@ -1302,7 +1235,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name); size_t size_l = 0; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; int free, i, ret; struct ocfs2_xattr_info xi_l = { .name_index = xi->name_index, @@ -1391,19 +1324,21 @@ static int ocfs2_xattr_set_entry(struct inode *inode, goto out; } - ret = __ocfs2_xattr_set_value_outside(inode, - xv, - xi->value, - xi->value_len); + ret = ocfs2_xattr_update_entry(inode, + handle, + xi, + xs, + offs); if (ret < 0) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_update_entry(inode, - xi, - xs, - offs); + ret = __ocfs2_xattr_set_value_outside(inode, + handle, + xv, + xi->value, + xi->value_len); if (ret < 0) mlog_errno(ret); goto out; @@ -1413,45 +1348,29 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * just trucate old value to zero. */ ret = ocfs2_xattr_value_truncate(inode, - xs->xattr_bh, - xv, - 0, - ctxt); + xs->xattr_bh, + xv, + 0, + ctxt); if (ret < 0) mlog_errno(ret); } } } - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - OCFS2_INODE_UPDATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - ret = ocfs2_journal_access(handle, inode, xs->inode_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } if (!(flag & OCFS2_INLINE_XATTR_FL)) { - /* set extended attribute in external block. */ - ret = ocfs2_extend_trans(handle, - OCFS2_INODE_UPDATE_CREDITS + - OCFS2_XATTR_BLOCK_UPDATE_CREDITS); - if (ret) { - mlog_errno(ret); - goto out_commit; - } ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } } @@ -1465,7 +1384,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, ret = ocfs2_journal_dirty(handle, xs->xattr_bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } } @@ -1502,9 +1421,6 @@ static int ocfs2_xattr_set_entry(struct inode *inode, if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); - if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) { /* * Set value outside in B tree. @@ -1520,14 +1436,14 @@ out_commit: * If set value outside failed, we have to clean * the junk tree root we have already set in local. */ - ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs); + ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle, + xi, xs, offs); if (ret2 < 0) mlog_errno(ret2); } } out: return ret; - } static int ocfs2_remove_value_outside(struct inode*inode, @@ -1540,6 +1456,13 @@ static int ocfs2_remove_value_outside(struct inode*inode, ocfs2_init_dealloc_ctxt(&ctxt.dealloc); + ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + goto out; + } + for (i = 0; i < le16_to_cpu(header->xh_count); i++) { struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; @@ -1560,8 +1483,10 @@ static int ocfs2_remove_value_outside(struct inode*inode, } } + ocfs2_commit_trans(osb, ctxt.handle); ocfs2_schedule_truncate_log_flush(osb, 1); ocfs2_run_deallocs(osb, &ctxt.dealloc); +out: return ret; } @@ -1920,7 +1845,7 @@ static int ocfs2_xattr_block_set(struct inode *inode, struct buffer_head *new_bh = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; struct ocfs2_xattr_block *xblk = NULL; u16 suballoc_bit_start; u32 num_got; @@ -1928,18 +1853,11 @@ static int ocfs2_xattr_block_set(struct inode *inode, int ret; if (!xs->xattr_bh) { - handle = ocfs2_start_trans(osb, - OCFS2_XATTR_BLOCK_CREATE_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } ret = ocfs2_journal_access(handle, inode, xs->inode_bh, OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1, @@ -1947,7 +1865,7 @@ static int ocfs2_xattr_block_set(struct inode *inode, &first_blkno); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } new_bh = sb_getblk(inode->i_sb, first_blkno); @@ -1957,7 +1875,7 @@ static int ocfs2_xattr_block_set(struct inode *inode, OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } /* Initialize ocfs2_xattr_block */ @@ -1978,17 +1896,10 @@ static int ocfs2_xattr_block_set(struct inode *inode, ret = ocfs2_journal_dirty(handle, new_bh); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto end; } di->i_xattr_loc = cpu_to_le64(first_blkno); - ret = ocfs2_journal_dirty(handle, xs->inode_bh); - if (ret < 0) - mlog_errno(ret); -out_commit: - ocfs2_commit_trans(osb, handle); -out: - if (ret < 0) - return ret; + ocfs2_journal_dirty(handle, xs->inode_bh); } else xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data; @@ -2057,10 +1968,11 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, struct ocfs2_xattr_search *xis, struct ocfs2_xattr_search *xbs, int *clusters_need, - int *meta_need) + int *meta_need, + int *credits_need) { int ret = 0, old_in_xb = 0; - int clusters_add = 0, meta_add = 0; + int clusters_add = 0, meta_add = 0, credits = 0; struct buffer_head *bh = NULL; struct ocfs2_xattr_block *xb = NULL; struct ocfs2_xattr_entry *xe = NULL; @@ -2071,16 +1983,15 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, xi->value_len); u64 value_size; - /* - * delete a xattr doesn't need metadata and cluster allocation. - * so return. - */ - if (!xi->value) - goto out; - if (xis->not_found && xbs->not_found) { - if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { clusters_add += new_clusters; + credits += ocfs2_calc_extend_credits(inode->i_sb, + &def_xv.xv.xr_list, + new_clusters); + } goto meta_guess; } @@ -2090,6 +2001,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, name_offset = le16_to_cpu(xe->xe_name_offset); name_len = OCFS2_XATTR_SIZE(xe->xe_name_len); base = xis->base; + credits += OCFS2_INODE_UPDATE_CREDITS; } else { int i, block_off; xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; @@ -2105,8 +2017,25 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, i, &block_off, &name_offset); base = bucket_block(xbs->bucket, block_off); - } else + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); + } else { base = xbs->base; + credits += OCFS2_XATTR_BLOCK_UPDATE_CREDITS; + } + } + + /* + * delete a xattr doesn't need metadata and cluster allocation. + * so just calculate the credits and return. + * + * The credits for removing the value tree will be extended + * by ocfs2_remove_extent itself. + */ + if (!xi->value) { + if (!ocfs2_xattr_is_local(xe)) + credits += OCFS2_REMOVE_EXTENT_CREDITS; + + goto out; } /* do cluster allocation guess first. */ @@ -2121,6 +2050,13 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, */ if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) { clusters_add += new_clusters; + credits += OCFS2_REMOVE_EXTENT_CREDITS + + OCFS2_INODE_UPDATE_CREDITS; + if (!ocfs2_xattr_is_local(xe)) + credits += ocfs2_calc_extend_credits( + inode->i_sb, + &def_xv.xv.xr_list, + new_clusters); goto out; } } @@ -2137,11 +2073,16 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, } else xv = &def_xv.xv; - if (old_clusters >= new_clusters) + if (old_clusters >= new_clusters) { + credits += OCFS2_REMOVE_EXTENT_CREDITS; goto out; - else { + } else { meta_add += ocfs2_extend_meta_needed(&xv->xr_list); clusters_add += new_clusters - old_clusters; + credits += ocfs2_calc_extend_credits(inode->i_sb, + &xv->xr_list, + new_clusters - + old_clusters); goto out; } } else { @@ -2177,6 +2118,8 @@ meta_guess: struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list; meta_add += ocfs2_extend_meta_needed(el); + credits += ocfs2_calc_extend_credits(inode->i_sb, + el, 1); } /* @@ -2187,16 +2130,23 @@ meta_guess: * also. */ clusters_add += 1; + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); if (OCFS2_XATTR_BUCKET_SIZE == - OCFS2_SB(inode->i_sb)->s_clustersize) + OCFS2_SB(inode->i_sb)->s_clustersize) { + credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); clusters_add += 1; - } else + } + } else { meta_add += 1; + credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } out: if (clusters_need) *clusters_need = clusters_add; if (meta_need) *meta_need = meta_add; + if (credits_need) + *credits_need = credits; brelse(bh); return ret; } @@ -2206,7 +2156,8 @@ static int ocfs2_init_xattr_set_ctxt(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xis, struct ocfs2_xattr_search *xbs, - struct ocfs2_xattr_set_ctxt *ctxt) + struct ocfs2_xattr_set_ctxt *ctxt, + int *credits) { int clusters_add, meta_add, ret; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -2216,14 +2167,14 @@ static int ocfs2_init_xattr_set_ctxt(struct inode *inode, ocfs2_init_dealloc_ctxt(&ctxt->dealloc); ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs, - &clusters_add, &meta_add); + &clusters_add, &meta_add, credits); if (ret) { mlog_errno(ret); return ret; } - mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d\n", - xi->name, meta_add, clusters_add); + mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, " + "credits = %d\n", xi->name, meta_add, clusters_add, *credits); if (meta_add) { ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add, @@ -2254,6 +2205,126 @@ out: return ret; } +static int __ocfs2_xattr_set_handle(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_info *xi, + struct ocfs2_xattr_search *xis, + struct ocfs2_xattr_search *xbs, + struct ocfs2_xattr_set_ctxt *ctxt) +{ + int ret = 0, credits; + + if (!xi->value) { + /* Remove existing extended attribute */ + if (!xis->not_found) + ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt); + else if (!xbs->not_found) + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + } else { + /* We always try to set extended attribute into inode first*/ + ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt); + if (!ret && !xbs->not_found) { + /* + * If succeed and that extended attribute existing in + * external block, then we will remove it. + */ + xi->value = NULL; + xi->value_len = 0; + + xis->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + } else if (ret == -ENOSPC) { + if (di->i_xattr_loc && !xbs->xattr_bh) { + ret = ocfs2_xattr_block_find(inode, + xi->name_index, + xi->name, xbs); + if (ret) + goto out; + + xis->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + } + /* + * If no space in inode, we will set extended attribute + * into external block. + */ + ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt); + if (ret) + goto out; + if (!xis->not_found) { + /* + * If succeed and that extended attribute + * existing in inode, we will remove it. + */ + xi->value = NULL; + xi->value_len = 0; + xbs->not_found = -ENODATA; + ret = ocfs2_calc_xattr_set_need(inode, + di, + xi, + xis, + xbs, + NULL, + NULL, + &credits); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_extend_trans(ctxt->handle, credits + + ctxt->handle->h_buffer_credits); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_xattr_ibody_set(inode, xi, + xis, ctxt); + } + } + } + +out: + return ret; +} + /* * ocfs2_xattr_set() * @@ -2270,8 +2341,9 @@ int ocfs2_xattr_set(struct inode *inode, { struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; - int ret; + int ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, }; struct ocfs2_xattr_info xi = { @@ -2337,56 +2409,37 @@ int ocfs2_xattr_set(struct inode *inode, goto cleanup; } - ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, &xbs, &ctxt); + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mutex_unlock(&tl_inode->i_mutex); + mlog_errno(ret); + goto cleanup; + } + } + mutex_unlock(&tl_inode->i_mutex); + + ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, + &xbs, &ctxt, &credits); if (ret) { mlog_errno(ret); goto cleanup; } - if (!value) { - /* Remove existing extended attribute */ - if (!xis.not_found) - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt); - else if (!xbs.not_found) - ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); - } else { - /* We always try to set extended attribute into inode first*/ - ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt); - if (!ret && !xbs.not_found) { - /* - * If succeed and that extended attribute existing in - * external block, then we will remove it. - */ - xi.value = NULL; - xi.value_len = 0; - ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); - } else if (ret == -ENOSPC) { - if (di->i_xattr_loc && !xbs.xattr_bh) { - ret = ocfs2_xattr_block_find(inode, name_index, - name, &xbs); - if (ret) - goto cleanup; - } - /* - * If no space in inode, we will set extended attribute - * into external block. - */ - ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt); - if (ret) - goto free; - if (!xis.not_found) { - /* - * If succeed and that extended attribute - * existing in inode, we will remove it. - */ - xi.value = NULL; - xi.value_len = 0; - ret = ocfs2_xattr_ibody_set(inode, &xi, - &xis, &ctxt); - } - } + ctxt.handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + goto cleanup; } -free: + + ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt); + + ocfs2_commit_trans(osb, ctxt.handle); + if (ctxt.data_ac) ocfs2_free_alloc_context(ctxt.data_ac); if (ctxt.meta_ac) @@ -2974,10 +3027,10 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, struct ocfs2_xattr_search *xs, struct ocfs2_xattr_set_ctxt *ctxt) { - int ret, credits = OCFS2_SUBALLOC_ALLOC; + int ret; u32 bit_off, len; u64 blkno; - handle_t *handle; + handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(inode); struct buffer_head *xb_bh = xs->xattr_bh; @@ -2999,30 +3052,18 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, */ down_write(&oi->ip_alloc_sem); - /* - * We need more credits. One for the xattr block update and one - * for each block of the new xattr bucket. - */ - credits += 1 + ocfs2_blocks_per_xattr_bucket(inode->i_sb); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out_sem; - } - ret = ocfs2_journal_access(handle, inode, xb_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1, 1, &bit_off, &len); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } /* @@ -3038,14 +3079,14 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, ret = ocfs2_init_xattr_bucket(xs->bucket, blkno); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out; } ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket); @@ -3070,16 +3111,9 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED); - ret = ocfs2_journal_dirty(handle, xb_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } + ocfs2_journal_dirty(handle, xb_bh); -out_commit: - ocfs2_commit_trans(osb, handle); - -out_sem: +out: up_write(&oi->ip_alloc_sem); return ret; @@ -3105,6 +3139,7 @@ static int cmp_xe_offset(const void *a, const void *b) * so that we can spare some space for insertion. */ static int ocfs2_defrag_xattr_bucket(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_bucket *bucket) { int ret, i; @@ -3114,7 +3149,6 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, u64 blkno = bucket_blkno(bucket); u16 xh_free_start; size_t blocksize = inode->i_sb->s_blocksize; - handle_t *handle; struct ocfs2_xattr_entry *xe; /* @@ -3133,19 +3167,11 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize) memcpy(buf, bucket_block(bucket, i), blocksize); - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), bucket->bu_blocks); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; - mlog_errno(ret); - goto out; - } - ret = ocfs2_xattr_bucket_journal_access(handle, bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); - goto commit; + goto out; } xh = (struct ocfs2_xattr_header *)bucket_buf; @@ -3203,7 +3229,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, "bucket %llu\n", (unsigned long long)blkno); if (xh_free_start == end) - goto commit; + goto out; memset(bucket_buf + xh_free_start, 0, end - xh_free_start); xh->xh_free_start = cpu_to_le16(end); @@ -3218,8 +3244,6 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode, memcpy(bucket_block(bucket, i), buf, blocksize); ocfs2_xattr_bucket_journal_dirty(handle, bucket); -commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); out: kfree(bucket_buf); return ret; @@ -3270,7 +3294,7 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, * 1 more for the update of the 1st bucket of the previous * extent record. */ - credits = bpc / 2 + 1; + credits = bpc / 2 + 1 + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); @@ -3662,7 +3686,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, * We need to update the new cluster and 1 more for the update of * the 1st bucket of the previous extent rec. */ - credits = bpc + 1; + credits = bpc + 1 + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); @@ -3732,7 +3756,7 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode, u32 *first_hash) { u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int ret, credits = 2 * blk_per_bucket; + int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits; BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize); @@ -3845,12 +3869,12 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, int *extend, struct ocfs2_xattr_set_ctxt *ctxt) { - int ret, credits; + int ret; u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); u32 prev_clusters = *num_clusters; u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0; u64 block; - handle_t *handle = NULL; + handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; @@ -3861,16 +3885,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); - credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, - clusters_to_add); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; - mlog_errno(ret); - goto leave; - } - ret = ocfs2_journal_access(handle, inode, root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { @@ -3924,18 +3938,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } } - if (handle->h_buffer_credits < credits) { - /* - * The journal has been restarted before, and don't - * have enough space for the insertion, so extend it - * here. - */ - ret = ocfs2_extend_trans(handle, credits); - if (ret) { - mlog_errno(ret); - goto leave; - } - } mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, (unsigned long long)block, v_start); ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, @@ -3946,15 +3948,10 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } ret = ocfs2_journal_dirty(handle, root_bh); - if (ret < 0) { + if (ret < 0) mlog_errno(ret); - goto leave; - } leave: - if (handle) - ocfs2_commit_trans(osb, handle); - return ret; } @@ -3963,6 +3960,7 @@ leave: * We meet with start_bh. Only move half of the xattrs to the bucket after it. */ static int ocfs2_extend_xattr_bucket(struct inode *inode, + handle_t *handle, struct buffer_head *first_bh, struct buffer_head *start_bh, u32 num_clusters) @@ -3972,7 +3970,6 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); u64 start_blk = start_bh->b_blocknr, end_blk; u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb); - handle_t *handle; struct ocfs2_xattr_header *first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; u16 bucket = le16_to_cpu(first_xh->xh_num_buckets); @@ -3989,11 +3986,10 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, * We will touch all the buckets after the start_bh(include it). * Then we add one more bucket. */ - credits = end_blk - start_blk + 3 * blk_per_bucket + 1; - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; + credits = end_blk - start_blk + 3 * blk_per_bucket + 1 + + handle->h_buffer_credits; + ret = ocfs2_extend_trans(handle, credits); + if (ret) { mlog_errno(ret); goto out; } @@ -4002,14 +3998,14 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto commit; + goto out; } while (end_blk != start_blk) { ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk, end_blk + blk_per_bucket, 0); if (ret) - goto commit; + goto out; end_blk -= blk_per_bucket; } @@ -4020,8 +4016,6 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, le16_add_cpu(&first_xh->xh_num_buckets, 1); ocfs2_journal_dirty(handle, first_bh); -commit: - ocfs2_commit_trans(osb, handle); out: return ret; } @@ -4099,6 +4093,7 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, if (extend) ret = ocfs2_extend_xattr_bucket(inode, + ctxt->handle, first_bh, header_bh, num_clusters); @@ -4272,14 +4267,13 @@ set_new_name_value: * space for the xattr insertion. */ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, u32 name_hash, int local) { int ret; - handle_t *handle = NULL; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u64 blkno; mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n", @@ -4296,14 +4290,6 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, } } - handle = ocfs2_start_trans(osb, xs->bucket->bu_blocks); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - handle = NULL; - mlog_errno(ret); - goto out; - } - ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { @@ -4315,32 +4301,22 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); out: - ocfs2_commit_trans(osb, handle); - return ret; } static int ocfs2_xattr_value_update_size(struct inode *inode, + handle_t *handle, struct buffer_head *xe_bh, struct ocfs2_xattr_entry *xe, u64 new_size) { int ret; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - handle_t *handle = NULL; - - handle = ocfs2_start_trans(osb, 1); - if (IS_ERR(handle)) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } ret = ocfs2_journal_access(handle, inode, xe_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); - goto out_commit; + goto out; } xe->xe_value_size = cpu_to_le64(new_size); @@ -4349,8 +4325,6 @@ static int ocfs2_xattr_value_update_size(struct inode *inode, if (ret < 0) mlog_errno(ret); -out_commit: - ocfs2_commit_trans(osb, handle); out: return ret; } @@ -4407,7 +4381,8 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, goto out; } - ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len); + ret = ocfs2_xattr_value_update_size(inode, ctxt->handle, + header_bh, xe, len); if (ret) { mlog_errno(ret); goto out; @@ -4439,6 +4414,7 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, } static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_search *xs, char *val, int value_len) @@ -4454,7 +4430,8 @@ static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode, xv = (struct ocfs2_xattr_value_root *)(xs->base + offset); - return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len); + return __ocfs2_xattr_set_value_outside(inode, handle, + xv, val, value_len); } static int ocfs2_rm_xattr_cluster(struct inode *inode, @@ -4547,27 +4524,19 @@ out: } static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, + handle_t *handle, struct ocfs2_xattr_search *xs) { - handle_t *handle = NULL; struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket); struct ocfs2_xattr_entry *last = &xh->xh_entries[ le16_to_cpu(xh->xh_count) - 1]; int ret = 0; - handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), - ocfs2_blocks_per_xattr_bucket(inode->i_sb)); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - return; - } - ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + return; } /* Remove the old entry. */ @@ -4577,9 +4546,6 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, le16_add_cpu(&xh->xh_count, -1); ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket); - -out_commit: - ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); } /* @@ -4645,7 +4611,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, xi->value_len = OCFS2_XATTR_ROOT_SIZE; } - ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local); + ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs, + name_hash, local); if (ret) { mlog_errno(ret); goto out; @@ -4666,13 +4633,14 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode, * storage and we have allocated xattr already, * so need to remove it. */ - ocfs2_xattr_bucket_remove_xs(inode, xs); + ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs); } goto out; } set_value_outside: - ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len); + ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle, + xs, val, value_len); out: return ret; } @@ -4785,7 +4753,8 @@ try_again: * name/value will be moved, the xe shouldn't be changed * in xs. */ - ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket); + ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle, + xs->bucket); if (ret) { mlog_errno(ret); goto out; @@ -4865,6 +4834,13 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, ocfs2_init_dealloc_ctxt(&ctxt.dealloc); + ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + goto out; + } + for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { xe = &xh->xh_entries[i]; if (ocfs2_xattr_is_local(xe)) @@ -4879,9 +4855,10 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, } } + ret = ocfs2_commit_trans(osb, ctxt.handle); ocfs2_schedule_truncate_log_flush(osb, 1); ocfs2_run_deallocs(osb, &ctxt.dealloc); - +out: return ret; } -- cgit v0.10.2 From fecc01126d7a244b7e9b563c80663ffdca35343b Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Wed, 12 Nov 2008 15:16:38 -0800 Subject: ocfs2: turn __ocfs2_remove_inode_range() into ocfs2_remove_btree_range() This patch genericizes the high level handling of extent removal. ocfs2_remove_btree_range() is nearly identical to __ocfs2_remove_inode_range(), except that extent tree operations have been used where necessary. We update ocfs2_remove_inode_range() to use the generic helper. Now extent tree based structures have an easy way to truncate ranges. Signed-off-by: Mark Fasheh Acked-by: Joel Becker diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4614614..5592a2f 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5255,6 +5255,78 @@ out: return ret; } +int ocfs2_remove_btree_range(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, u32 phys_cpos, u32 len, + struct ocfs2_cached_dealloc_ctxt *dealloc) +{ + int ret; + u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct inode *tl_inode = osb->osb_tl_inode; + handle_t *handle; + struct ocfs2_alloc_context *meta_ac = NULL; + + ret = ocfs2_lock_allocators(inode, et, 0, 1, NULL, &meta_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + + mutex_lock(&tl_inode->i_mutex); + + if (ocfs2_truncate_log_needs_flush(osb)) { + ret = __ocfs2_flush_truncate_log(osb); + if (ret < 0) { + mlog_errno(ret); + goto out; + } + } + + handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out; + } + + ret = ocfs2_journal_access(handle, inode, et->et_root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_remove_extent(inode, et, cpos, len, handle, meta_ac, + dealloc); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ocfs2_et_update_clusters(inode, et, -len); + + ret = ocfs2_journal_dirty(handle, et->et_root_bh); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); + if (ret) + mlog_errno(ret); + +out_commit: + ocfs2_commit_trans(osb, handle); +out: + mutex_unlock(&tl_inode->i_mutex); + + if (meta_ac) + ocfs2_free_alloc_context(meta_ac); + + return ret; +} + int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb) { struct buffer_head *tl_bh = osb->osb_tl_bh; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 3eb735e..0fbf8fc 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -110,6 +110,11 @@ int ocfs2_remove_extent(struct inode *inode, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_remove_btree_range(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, u32 phys_cpos, u32 len, + struct ocfs2_cached_dealloc_ctxt *dealloc); + int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, struct ocfs2_extent_tree *et); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index e2570a3..3605491 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1226,83 +1226,6 @@ out: return ret; } -static int __ocfs2_remove_inode_range(struct inode *inode, - struct buffer_head *di_bh, - u32 cpos, u32 phys_cpos, u32 len, - struct ocfs2_cached_dealloc_ctxt *dealloc) -{ - int ret; - u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct inode *tl_inode = osb->osb_tl_inode; - handle_t *handle; - struct ocfs2_alloc_context *meta_ac = NULL; - struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; - struct ocfs2_extent_tree et; - - ocfs2_init_dinode_extent_tree(&et, inode, di_bh); - - ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); - if (ret) { - mlog_errno(ret); - return ret; - } - - mutex_lock(&tl_inode->i_mutex); - - if (ocfs2_truncate_log_needs_flush(osb)) { - ret = __ocfs2_flush_truncate_log(osb); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - } - - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out; - } - - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } - - ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, - dealloc); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - OCFS2_I(inode)->ip_clusters -= len; - di->i_clusters = cpu_to_le32(OCFS2_I(inode)->ip_clusters); - - ret = ocfs2_journal_dirty(handle, di_bh); - if (ret) { - mlog_errno(ret); - goto out_commit; - } - - ret = ocfs2_truncate_log_append(osb, handle, phys_blkno, len); - if (ret) - mlog_errno(ret); - -out_commit: - ocfs2_commit_trans(osb, handle); -out: - mutex_unlock(&tl_inode->i_mutex); - - if (meta_ac) - ocfs2_free_alloc_context(meta_ac); - - return ret; -} - /* * Truncate a byte range, avoiding pages within partial clusters. This * preserves those pages for the zeroing code to write to. @@ -1402,7 +1325,9 @@ static int ocfs2_remove_inode_range(struct inode *inode, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_cached_dealloc_ctxt dealloc; struct address_space *mapping = inode->i_mapping; + struct ocfs2_extent_tree et; + ocfs2_init_dinode_extent_tree(&et, inode, di_bh); ocfs2_init_dealloc_ctxt(&dealloc); if (byte_len == 0) @@ -1458,9 +1383,9 @@ static int ocfs2_remove_inode_range(struct inode *inode, /* Only do work for non-holes */ if (phys_cpos != 0) { - ret = __ocfs2_remove_inode_range(inode, di_bh, cpos, - phys_cpos, alloc_size, - &dealloc); + ret = ocfs2_remove_btree_range(inode, &et, cpos, + phys_cpos, alloc_size, + &dealloc); if (ret) { mlog_errno(ret); goto out; -- cgit v0.10.2 From f5d362022a947e84b0a3dd656d09c6b2322e234f Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:15:44 +0800 Subject: ocfs2: move new inode allocation out of the transaction Move out inode allocation from ocfs2_mknod_locked() because vfs_dq_init() must be called outside of a transaction. Signed-off-by: Jan Kara Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 2545e74..e8ff0ba 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -66,12 +66,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct inode *dir, - struct dentry *dentry, int mode, + struct inode *inode, + struct dentry *dentry, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, handle_t *handle, - struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac); static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb, @@ -186,6 +186,34 @@ bail: return ret; } +static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) +{ + struct inode *inode; + + inode = new_inode(dir->i_sb); + if (!inode) { + mlog(ML_ERROR, "new_inode failed!\n"); + return NULL; + } + + /* populate as many fields early on as possible - many of + * these are used by the support functions here and in + * callers. */ + if (S_ISDIR(mode)) + inode->i_nlink = 2; + else + inode->i_nlink = 1; + inode->i_uid = current_fsuid(); + if (dir->i_mode & S_ISGID) { + inode->i_gid = dir->i_gid; + if (S_ISDIR(mode)) + mode |= S_ISGID; + } else + inode->i_gid = current_fsgid(); + inode->i_mode = mode; + return inode; +} + static int ocfs2_mknod(struct inode *dir, struct dentry *dentry, int mode, @@ -250,6 +278,13 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } + inode = ocfs2_get_init_inode(dir, mode); + if (!inode) { + status = -ENOMEM; + mlog_errno(status); + goto leave; + } + /* Reserve a cluster if creating an extent based directory. */ if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) { status = ocfs2_reserve_clusters(osb, 1, &data_ac); @@ -269,9 +304,9 @@ static int ocfs2_mknod(struct inode *dir, } /* do the real work now. */ - status = ocfs2_mknod_locked(osb, dir, dentry, mode, dev, + status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev, &new_fe_bh, parent_fe_bh, handle, - &inode, inode_ac); + inode_ac); if (status < 0) { mlog_errno(status); goto leave; @@ -332,8 +367,10 @@ leave: brelse(de_bh); brelse(parent_fe_bh); - if ((status < 0) && inode) + if ((status < 0) && inode) { + clear_nlink(inode); iput(inode); + } if (inode_ac) ocfs2_free_alloc_context(inode_ac); @@ -348,12 +385,12 @@ leave: static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct inode *dir, - struct dentry *dentry, int mode, + struct inode *inode, + struct dentry *dentry, dev_t dev, struct buffer_head **new_fe_bh, struct buffer_head *parent_fe_bh, handle_t *handle, - struct inode **ret_inode, struct ocfs2_alloc_context *inode_ac) { int status = 0; @@ -361,14 +398,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, struct ocfs2_extent_list *fel; u64 fe_blkno = 0; u16 suballoc_bit; - struct inode *inode = NULL; - mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, - (unsigned long)dev, dentry->d_name.len, + mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, + inode->i_mode, (unsigned long)dev, dentry->d_name.len, dentry->d_name.name); *new_fe_bh = NULL; - *ret_inode = NULL; status = ocfs2_claim_new_inode(osb, handle, inode_ac, &suballoc_bit, &fe_blkno); @@ -377,23 +412,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, goto leave; } - inode = new_inode(dir->i_sb); - if (!inode) { - status = -ENOMEM; - mlog(ML_ERROR, "new_inode failed!\n"); - goto leave; - } - /* populate as many fields early on as possible - many of * these are used by the support functions here and in * callers. */ inode->i_ino = ino_from_blkno(osb->sb, fe_blkno); OCFS2_I(inode)->ip_blkno = fe_blkno; - if (S_ISDIR(mode)) - inode->i_nlink = 2; - else - inode->i_nlink = 1; - inode->i_mode = mode; spin_lock(&osb->osb_lock); inode->i_generation = osb->s_next_generation++; spin_unlock(&osb->osb_lock); @@ -421,17 +444,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, fe->i_blkno = cpu_to_le64(fe_blkno); fe->i_suballoc_bit = cpu_to_le16(suballoc_bit); fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot); - fe->i_uid = cpu_to_le32(current_fsuid()); - if (dir->i_mode & S_ISGID) { - fe->i_gid = cpu_to_le32(dir->i_gid); - if (S_ISDIR(mode)) - mode |= S_ISGID; - } else - fe->i_gid = cpu_to_le32(current_fsgid()); - fe->i_mode = cpu_to_le16(mode); - if (S_ISCHR(mode) || S_ISBLK(mode)) + fe->i_uid = cpu_to_le32(inode->i_uid); + fe->i_gid = cpu_to_le32(inode->i_gid); + fe->i_mode = cpu_to_le16(inode->i_mode); + if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev)); - fe->i_links_count = cpu_to_le16(inode->i_nlink); fe->i_last_eb_blk = 0; @@ -446,7 +463,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, /* * If supported, directories start with inline data. */ - if (S_ISDIR(mode) && ocfs2_supports_inline_data(osb)) { + if (S_ISDIR(inode->i_mode) && ocfs2_supports_inline_data(osb)) { u16 feat = le16_to_cpu(fe->i_dyn_features); fe->i_dyn_features = cpu_to_le16(feat | OCFS2_INLINE_DATA_FL); @@ -484,17 +501,12 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, status = 0; /* error in ocfs2_create_new_inode_locks is not * critical */ - *ret_inode = inode; leave: if (status < 0) { if (*new_fe_bh) { brelse(*new_fe_bh); *new_fe_bh = NULL; } - if (inode) { - clear_nlink(inode); - iput(inode); - } } mlog_exit(status); @@ -1542,6 +1554,13 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } + inode = ocfs2_get_init_inode(dir, S_IFLNK | S_IRWXUGO); + if (!inode) { + status = -ENOMEM; + mlog_errno(status); + goto bail; + } + /* don't reserve bitmap space for fast symlinks. */ if (l > ocfs2_fast_symlink_chars(sb)) { status = ocfs2_reserve_clusters(osb, 1, &data_ac); @@ -1560,10 +1579,9 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } - status = ocfs2_mknod_locked(osb, dir, dentry, - S_IFLNK | S_IRWXUGO, 0, - &new_fe_bh, parent_fe_bh, handle, - &inode, inode_ac); + status = ocfs2_mknod_locked(osb, dir, inode, dentry, + 0, &new_fe_bh, parent_fe_bh, handle, + inode_ac); if (status < 0) { mlog_errno(status); goto bail; @@ -1644,8 +1662,10 @@ bail: ocfs2_free_alloc_context(inode_ac); if (data_ac) ocfs2_free_alloc_context(data_ac); - if ((status < 0) && inode) + if ((status < 0) && inode) { + clear_nlink(inode); iput(inode); + } mlog_exit(status); -- cgit v0.10.2 From 6c3faba4421e230d77a181c260972229c542dec9 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:16:03 +0800 Subject: ocfs2: add ocfs2_xattr_set_handle This function is used to set xattr's in a started transaction. It is only called during inode creation inode for initial security/acl xattrs of the new inode. These xattrs could be put into ibody or extent block, so xattr bucket would not be use in this case. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 7a90892..6480254 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2326,6 +2326,74 @@ out: } /* + * This function only called duing creating inode + * for init security/acl xattrs of the new inode. + * The xattrs could be put into ibody or extent block, + * xattr bucket would not be use in this case. + * transanction credits also be reserved in here. + */ +int ocfs2_xattr_set_handle(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + int name_index, + const char *name, + const void *value, + size_t value_len, + int flags, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + struct ocfs2_dinode *di; + int ret; + + struct ocfs2_xattr_info xi = { + .name_index = name_index, + .name = name, + .value = value, + .value_len = value_len, + }; + + struct ocfs2_xattr_search xis = { + .not_found = -ENODATA, + }; + + struct ocfs2_xattr_search xbs = { + .not_found = -ENODATA, + }; + + struct ocfs2_xattr_set_ctxt ctxt = { + .handle = handle, + .meta_ac = meta_ac, + .data_ac = data_ac, + }; + + if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) + return -EOPNOTSUPP; + + xis.inode_bh = xbs.inode_bh = di_bh; + di = (struct ocfs2_dinode *)di_bh->b_data; + + down_write(&OCFS2_I(inode)->ip_xattr_sem); + + ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis); + if (ret) + goto cleanup; + if (xis.not_found) { + ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs); + if (ret) + goto cleanup; + } + + ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt); + +cleanup: + up_write(&OCFS2_I(inode)->ip_xattr_sem); + brelse(xbs.xattr_bh); + + return ret; +} + +/* * ocfs2_xattr_set() * * Set, replace or remove an extended attribute for this inode. diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 1d8314c..8fbdc16 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -37,6 +37,10 @@ extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); int ocfs2_xattr_set(struct inode *, int, const char *, const void *, size_t, int); +int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, + int, const char *, const void *, size_t, int, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); int ocfs2_xattr_remove(struct inode *, struct buffer_head *); #endif /* OCFS2_XATTR_H */ -- cgit v0.10.2 From 923f7f3102b80403152e05aee3d55ecfce240440 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:16:27 +0800 Subject: ocfs2: add security xattr API This patch add security xattr set/get/list APIs to support security attributes in Ocfs2. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 6480254..db03162 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -35,6 +35,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_XATTR #include @@ -88,12 +89,14 @@ static struct ocfs2_xattr_def_value_root def_xv = { struct xattr_handler *ocfs2_xattr_handlers[] = { &ocfs2_xattr_user_handler, &ocfs2_xattr_trusted_handler, + &ocfs2_xattr_security_handler, NULL }; static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = { [OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler, [OCFS2_XATTR_INDEX_TRUSTED] = &ocfs2_xattr_trusted_handler, + [OCFS2_XATTR_INDEX_SECURITY] = &ocfs2_xattr_security_handler, }; struct ocfs2_xattr_info { @@ -4977,6 +4980,50 @@ out: } /* + * 'security' attributes support + */ +static size_t ocfs2_xattr_security_list(struct inode *inode, char *list, + size_t list_size, const char *name, + size_t name_len) +{ + const size_t prefix_len = XATTR_SECURITY_PREFIX_LEN; + const size_t total_len = prefix_len + name_len + 1; + + if (list && total_len <= list_size) { + memcpy(list, XATTR_SECURITY_PREFIX, prefix_len); + memcpy(list + prefix_len, name, name_len); + list[prefix_len + name_len] = '\0'; + } + return total_len; +} + +static int ocfs2_xattr_security_get(struct inode *inode, const char *name, + void *buffer, size_t size) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY, name, + buffer, size); +} + +static int ocfs2_xattr_security_set(struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + if (strcmp(name, "") == 0) + return -EINVAL; + + return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY, name, value, + size, flags); +} + +struct xattr_handler ocfs2_xattr_security_handler = { + .prefix = XATTR_SECURITY_PREFIX, + .list = ocfs2_xattr_security_list, + .get = ocfs2_xattr_security_get, + .set = ocfs2_xattr_security_set, +}; + +/* * 'trusted' attributes support */ static size_t ocfs2_xattr_trusted_list(struct inode *inode, char *list, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 8fbdc16..55c5256 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -32,6 +32,7 @@ enum ocfs2_xattr_type { extern struct xattr_handler ocfs2_xattr_user_handler; extern struct xattr_handler ocfs2_xattr_trusted_handler; +extern struct xattr_handler ocfs2_xattr_security_handler; extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); -- cgit v0.10.2 From 534eadddc1de8754a227202c0e747af4973f82ce Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:16:41 +0800 Subject: ocfs2: add ocfs2_init_security in during file create Security attributes must be set when creating a new inode. We do this in three steps. - First, get security xattr's name and value by security_operation - Calculate and reserve the meta data and clusters needed by this security xattr before starting transaction - Finally, we set it before add_entry Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index e8ff0ba..40da46b 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -229,6 +229,12 @@ static int ocfs2_mknod(struct inode *dir, struct inode *inode = NULL; struct ocfs2_alloc_context *inode_ac = NULL; struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *xattr_ac = NULL; + int want_clusters = 0; + int xattr_credits = 0; + struct ocfs2_security_xattr_info si = { + .enable = 1, + }; mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, (unsigned long)dev, dentry->d_name.len, @@ -285,17 +291,39 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - /* Reserve a cluster if creating an extent based directory. */ - if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) { - status = ocfs2_reserve_clusters(osb, 1, &data_ac); + /* get security xattr */ + status = ocfs2_init_security_get(inode, dir, &si); + if (status) { + if (status == -EOPNOTSUPP) + si.enable = 0; + else { + mlog_errno(status); + goto leave; + } + } + + /* calculate meta data/clusters for setting security xattr */ + if (si.enable) { + status = ocfs2_calc_security_init(dir, &si, &want_clusters, + &xattr_credits, &xattr_ac); if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); + mlog_errno(status); goto leave; } } - handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS); + /* Reserve a cluster if creating an extent based directory. */ + if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) + want_clusters += 1; + + status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); + if (status < 0) { + if (status != -ENOSPC) + mlog_errno(status); + goto leave; + } + + handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS + xattr_credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -335,6 +363,15 @@ static int ocfs2_mknod(struct inode *dir, inc_nlink(dir); } + if (si.enable) { + status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto leave; + } + } + status = ocfs2_add_entry(handle, dentry, inode, OCFS2_I(inode)->ip_blkno, parent_fe_bh, de_bh); @@ -366,6 +403,8 @@ leave: brelse(new_fe_bh); brelse(de_bh); brelse(parent_fe_bh); + kfree(si.name); + kfree(si.value); if ((status < 0) && inode) { clear_nlink(inode); @@ -378,6 +417,9 @@ leave: if (data_ac) ocfs2_free_alloc_context(data_ac); + if (xattr_ac) + ocfs2_free_alloc_context(xattr_ac); + mlog_exit(status); return status; @@ -1508,6 +1550,12 @@ static int ocfs2_symlink(struct inode *dir, handle_t *handle = NULL; struct ocfs2_alloc_context *inode_ac = NULL; struct ocfs2_alloc_context *data_ac = NULL; + struct ocfs2_alloc_context *xattr_ac = NULL; + int want_clusters = 0; + int xattr_credits = 0; + struct ocfs2_security_xattr_info si = { + .enable = 1, + }; mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir, dentry, symname, dentry->d_name.len, dentry->d_name.name); @@ -1561,17 +1609,39 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } - /* don't reserve bitmap space for fast symlinks. */ - if (l > ocfs2_fast_symlink_chars(sb)) { - status = ocfs2_reserve_clusters(osb, 1, &data_ac); + /* get security xattr */ + status = ocfs2_init_security_get(inode, dir, &si); + if (status) { + if (status == -EOPNOTSUPP) + si.enable = 0; + else { + mlog_errno(status); + goto bail; + } + } + + /* calculate meta data/clusters for setting security xattr */ + if (si.enable) { + status = ocfs2_calc_security_init(dir, &si, &want_clusters, + &xattr_credits, &xattr_ac); if (status < 0) { - if (status != -ENOSPC) - mlog_errno(status); + mlog_errno(status); goto bail; } } - handle = ocfs2_start_trans(osb, credits); + /* don't reserve bitmap space for fast symlinks. */ + if (l > ocfs2_fast_symlink_chars(sb)) + want_clusters += 1; + + status = ocfs2_reserve_clusters(osb, want_clusters, &data_ac); + if (status < 0) { + if (status != -ENOSPC) + mlog_errno(status); + goto bail; + } + + handle = ocfs2_start_trans(osb, credits + xattr_credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1632,6 +1702,15 @@ static int ocfs2_symlink(struct inode *dir, } } + if (si.enable) { + status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto bail; + } + } + status = ocfs2_add_entry(handle, dentry, inode, le64_to_cpu(fe->i_blkno), parent_fe_bh, de_bh); @@ -1658,10 +1737,14 @@ bail: brelse(new_fe_bh); brelse(parent_fe_bh); brelse(de_bh); + kfree(si.name); + kfree(si.value); if (inode_ac) ocfs2_free_alloc_context(inode_ac); if (data_ac) ocfs2_free_alloc_context(data_ac); + if (xattr_ac) + ocfs2_free_alloc_context(xattr_ac); if ((status < 0) && inode) { clear_nlink(inode); iput(inode); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index db03162..2cab0d6 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -81,6 +81,9 @@ struct ocfs2_xattr_set_ctxt { #define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root)) #define OCFS2_XATTR_INLINE_SIZE 80 +#define OCFS2_XATTR_FREE_IN_IBODY (OCFS2_MIN_XATTR_INLINE_SIZE \ + - sizeof(struct ocfs2_xattr_header) \ + - sizeof(__u32)) static struct ocfs2_xattr_def_value_root def_xv = { .xv.xr_list.l_count = cpu_to_le16(1), @@ -343,6 +346,52 @@ static void ocfs2_xattr_hash_entry(struct inode *inode, return; } +static int ocfs2_xattr_entry_real_size(int name_len, size_t value_len) +{ + int size = 0; + + if (value_len <= OCFS2_XATTR_INLINE_SIZE) + size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(value_len); + else + size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; + size += sizeof(struct ocfs2_xattr_entry); + + return size; +} + +int ocfs2_calc_security_init(struct inode *dir, + struct ocfs2_security_xattr_info *si, + int *want_clusters, + int *xattr_credits, + struct ocfs2_alloc_context **xattr_ac) +{ + int ret = 0; + struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); + int s_size = ocfs2_xattr_entry_real_size(strlen(si->name), + si->value_len); + + /* + * The max space of security xattr taken inline is + * 256(name) + 80(value) + 16(entry) = 352 bytes, + * So reserve one metadata block for it is ok. + */ + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE || + s_size > OCFS2_XATTR_FREE_IN_IBODY) { + ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + *xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } + + /* reserve clusters for xattr value which will be set in B tree*/ + if (si->value_len > OCFS2_XATTR_INLINE_SIZE) + *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + return ret; +} + static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, struct buffer_head *xattr_bh, @@ -5016,6 +5065,27 @@ static int ocfs2_xattr_security_set(struct inode *inode, const char *name, size, flags); } +int ocfs2_init_security_get(struct inode *inode, + struct inode *dir, + struct ocfs2_security_xattr_info *si) +{ + return security_inode_init_security(inode, dir, &si->name, &si->value, + &si->value_len); +} + +int ocfs2_init_security_set(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + struct ocfs2_security_xattr_info *si, + struct ocfs2_alloc_context *xattr_ac, + struct ocfs2_alloc_context *data_ac) +{ + return ocfs2_xattr_set_handle(handle, inode, di_bh, + OCFS2_XATTR_INDEX_SECURITY, + si->name, si->value, si->value_len, 0, + xattr_ac, data_ac); +} + struct xattr_handler ocfs2_xattr_security_handler = { .prefix = XATTR_SECURITY_PREFIX, .list = ocfs2_xattr_security_list, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 55c5256..188ef6b 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -30,6 +30,13 @@ enum ocfs2_xattr_type { OCFS2_XATTR_MAX }; +struct ocfs2_security_xattr_info { + int enable; + char *name; + void *value; + size_t value_len; +}; + extern struct xattr_handler ocfs2_xattr_user_handler; extern struct xattr_handler ocfs2_xattr_trusted_handler; extern struct xattr_handler ocfs2_xattr_security_handler; @@ -43,5 +50,15 @@ int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, struct ocfs2_alloc_context *, struct ocfs2_alloc_context *); int ocfs2_xattr_remove(struct inode *, struct buffer_head *); +int ocfs2_init_security_get(struct inode *, struct inode *, + struct ocfs2_security_xattr_info *); +int ocfs2_init_security_set(handle_t *, struct inode *, + struct buffer_head *, + struct ocfs2_security_xattr_info *, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); +int ocfs2_calc_security_init(struct inode *, + struct ocfs2_security_xattr_info *, + int *, int *, struct ocfs2_alloc_context **); #endif /* OCFS2_XATTR_H */ -- cgit v0.10.2 From 4e3e9d027f63488e676bf7700ec515a192e54f69 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:16:53 +0800 Subject: ocfs2: add ocfs2_xattr_get_nolock This function does the work of ocfs2_xattr_get under an open lock. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 2cab0d6..ba9b870 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -925,12 +925,8 @@ cleanup: return ret; } -/* ocfs2_xattr_get() - * - * Copy an extended attribute into the buffer provided. - * Buffer is NULL to compute the size of buffer required. - */ -static int ocfs2_xattr_get(struct inode *inode, +int ocfs2_xattr_get_nolock(struct inode *inode, + struct buffer_head *di_bh, int name_index, const char *name, void *buffer, @@ -938,7 +934,6 @@ static int ocfs2_xattr_get(struct inode *inode, { int ret; struct ocfs2_dinode *di = NULL; - struct buffer_head *di_bh = NULL; struct ocfs2_inode_info *oi = OCFS2_I(inode); struct ocfs2_xattr_search xis = { .not_found = -ENODATA, @@ -953,11 +948,6 @@ static int ocfs2_xattr_get(struct inode *inode, if (!(oi->ip_dyn_features & OCFS2_HAS_XATTR_FL)) ret = -ENODATA; - ret = ocfs2_inode_lock(inode, &di_bh, 0); - if (ret < 0) { - mlog_errno(ret); - return ret; - } xis.inode_bh = xbs.inode_bh = di_bh; di = (struct ocfs2_dinode *)di_bh->b_data; @@ -968,6 +958,32 @@ static int ocfs2_xattr_get(struct inode *inode, ret = ocfs2_xattr_block_get(inode, name_index, name, buffer, buffer_size, &xbs); up_read(&oi->ip_xattr_sem); + + return ret; +} + +/* ocfs2_xattr_get() + * + * Copy an extended attribute into the buffer provided. + * Buffer is NULL to compute the size of buffer required. + */ +static int ocfs2_xattr_get(struct inode *inode, + int name_index, + const char *name, + void *buffer, + size_t buffer_size) +{ + int ret; + struct buffer_head *di_bh = NULL; + + ret = ocfs2_inode_lock(inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + return ret; + } + ret = ocfs2_xattr_get_nolock(inode, di_bh, name_index, + name, buffer, buffer_size); + ocfs2_inode_unlock(inode, 0); brelse(di_bh); diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 188ef6b..86aa10f 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -43,6 +43,8 @@ extern struct xattr_handler ocfs2_xattr_security_handler; extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); +int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int, + const char *, void *, size_t); int ocfs2_xattr_set(struct inode *, int, const char *, const void *, size_t, int); int ocfs2_xattr_set_handle(handle_t *, struct inode *, struct buffer_head *, -- cgit v0.10.2 From 929fb014e041c6572c5e8c3686f1e32742b5b953 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:17:04 +0800 Subject: ocfs2: add POSIX ACL API This patch adds POSIX ACL(access control lists) APIs in ocfs2. We convert struct posix_acl to many ocfs2_acl_entry and regard them as an extended attribute entry. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index 589dcdf..e9ef5d1 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -37,6 +37,10 @@ ocfs2-objs := \ ver.o \ xattr.o +ifeq ($(CONFIG_OCFS2_FS_POSIX_ACL),y) +ocfs2-objs += acl.o +endif + ocfs2_stackglue-objs := stackglue.o ocfs2_stack_o2cb-objs := stack_o2cb.o ocfs2_stack_user-objs := stack_user.o diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c new file mode 100644 index 0000000..62d0faa --- /dev/null +++ b/fs/ocfs2/acl.c @@ -0,0 +1,378 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * acl.c + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * CREDITS: + * Lots of code in this file is copy from linux/fs/ext3/acl.c. + * Copyright (C) 2001-2003 Andreas Gruenbacher, + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include +#include +#include + +#define MLOG_MASK_PREFIX ML_INODE +#include + +#include "ocfs2.h" +#include "alloc.h" +#include "dlmglue.h" +#include "file.h" +#include "ocfs2_fs.h" + +#include "xattr.h" +#include "acl.h" + +/* + * Convert from xattr value to acl struct. + */ +static struct posix_acl *ocfs2_acl_from_xattr(const void *value, size_t size) +{ + int n, count; + struct posix_acl *acl; + + if (!value) + return NULL; + if (size < sizeof(struct posix_acl_entry)) + return ERR_PTR(-EINVAL); + + count = size / sizeof(struct posix_acl_entry); + if (count < 0) + return ERR_PTR(-EINVAL); + if (count == 0) + return NULL; + + acl = posix_acl_alloc(count, GFP_NOFS); + if (!acl) + return ERR_PTR(-ENOMEM); + for (n = 0; n < count; n++) { + struct ocfs2_acl_entry *entry = + (struct ocfs2_acl_entry *)value; + + acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag); + acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm); + acl->a_entries[n].e_id = le32_to_cpu(entry->e_id); + value += sizeof(struct posix_acl_entry); + + } + return acl; +} + +/* + * Convert acl struct to xattr value. + */ +static void *ocfs2_acl_to_xattr(const struct posix_acl *acl, size_t *size) +{ + struct ocfs2_acl_entry *entry = NULL; + char *ocfs2_acl; + size_t n; + + *size = acl->a_count * sizeof(struct posix_acl_entry); + + ocfs2_acl = kmalloc(*size, GFP_NOFS); + if (!ocfs2_acl) + return ERR_PTR(-ENOMEM); + + entry = (struct ocfs2_acl_entry *)ocfs2_acl; + for (n = 0; n < acl->a_count; n++, entry++) { + entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag); + entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm); + entry->e_id = cpu_to_le32(acl->a_entries[n].e_id); + } + return ocfs2_acl; +} + +static struct posix_acl *ocfs2_get_acl_nolock(struct inode *inode, + int type, + struct buffer_head *di_bh) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int name_index; + char *value = NULL; + struct posix_acl *acl; + int retval; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return NULL; + + switch (type) { + case ACL_TYPE_ACCESS: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; + break; + case ACL_TYPE_DEFAULT: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT; + break; + default: + return ERR_PTR(-EINVAL); + } + + retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, "", NULL, 0); + if (retval > 0) { + value = kmalloc(retval, GFP_NOFS); + if (!value) + return ERR_PTR(-ENOMEM); + retval = ocfs2_xattr_get_nolock(inode, di_bh, name_index, + "", value, retval); + } + + if (retval > 0) + acl = ocfs2_acl_from_xattr(value, retval); + else if (retval == -ENODATA || retval == 0) + acl = NULL; + else + acl = ERR_PTR(retval); + + kfree(value); + + return acl; +} + + +/* + * Get posix acl. + */ +static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct buffer_head *di_bh = NULL; + struct posix_acl *acl; + int ret; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return NULL; + + ret = ocfs2_inode_lock(inode, &di_bh, 0); + if (ret < 0) { + mlog_errno(ret); + acl = ERR_PTR(ret); + return acl; + } + + acl = ocfs2_get_acl_nolock(inode, type, di_bh); + + ocfs2_inode_unlock(inode, 0); + + brelse(di_bh); + + return acl; +} + +/* + * Set the access or default ACL of an inode. + */ +static int ocfs2_set_acl(handle_t *handle, + struct inode *inode, + struct buffer_head *di_bh, + int type, + struct posix_acl *acl, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + int name_index; + void *value = NULL; + size_t size = 0; + int ret; + + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + + switch (type) { + case ACL_TYPE_ACCESS: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; + if (acl) { + mode_t mode = inode->i_mode; + ret = posix_acl_equiv_mode(acl, &mode); + if (ret < 0) + return ret; + else { + inode->i_mode = mode; + if (ret == 0) + acl = NULL; + } + } + break; + case ACL_TYPE_DEFAULT: + name_index = OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT; + if (!S_ISDIR(inode->i_mode)) + return acl ? -EACCES : 0; + break; + default: + return -EINVAL; + } + + if (acl) { + value = ocfs2_acl_to_xattr(acl, &size); + if (IS_ERR(value)) + return (int)PTR_ERR(value); + } + + if (handle) + ret = ocfs2_xattr_set_handle(handle, inode, di_bh, name_index, + "", value, size, 0, + meta_ac, data_ac); + else + ret = ocfs2_xattr_set(inode, name_index, "", value, size, 0); + + kfree(value); + + return ret; +} + +static size_t ocfs2_xattr_list_acl_access(struct inode *inode, + char *list, + size_t list_len, + const char *name, + size_t name_len) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + if (list && size <= list_len) + memcpy(list, POSIX_ACL_XATTR_ACCESS, size); + return size; +} + +static size_t ocfs2_xattr_list_acl_default(struct inode *inode, + char *list, + size_t list_len, + const char *name, + size_t name_len) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + if (list && size <= list_len) + memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); + return size; +} + +static int ocfs2_xattr_get_acl(struct inode *inode, + int type, + void *buffer, + size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl; + int ret; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return -EOPNOTSUPP; + + acl = ocfs2_get_acl(inode, type); + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl == NULL) + return -ENODATA; + ret = posix_acl_to_xattr(acl, buffer, size); + posix_acl_release(acl); + + return ret; +} + +static int ocfs2_xattr_get_acl_access(struct inode *inode, + const char *name, + void *buffer, + size_t size) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); +} + +static int ocfs2_xattr_get_acl_default(struct inode *inode, + const char *name, + void *buffer, + size_t size) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); +} + +static int ocfs2_xattr_set_acl(struct inode *inode, + int type, + const void *value, + size_t size) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl; + int ret = 0; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return -EOPNOTSUPP; + + if (!is_owner_or_cap(inode)) + return -EPERM; + + if (value) { + acl = posix_acl_from_xattr(value, size); + if (IS_ERR(acl)) + return PTR_ERR(acl); + else if (acl) { + ret = posix_acl_valid(acl); + if (ret) + goto cleanup; + } + } else + acl = NULL; + + ret = ocfs2_set_acl(NULL, inode, NULL, type, acl, NULL, NULL); + +cleanup: + posix_acl_release(acl); + return ret; +} + +static int ocfs2_xattr_set_acl_access(struct inode *inode, + const char *name, + const void *value, + size_t size, + int flags) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); +} + +static int ocfs2_xattr_set_acl_default(struct inode *inode, + const char *name, + const void *value, + size_t size, + int flags) +{ + if (strcmp(name, "") != 0) + return -EINVAL; + return ocfs2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); +} + +struct xattr_handler ocfs2_xattr_acl_access_handler = { + .prefix = POSIX_ACL_XATTR_ACCESS, + .list = ocfs2_xattr_list_acl_access, + .get = ocfs2_xattr_get_acl_access, + .set = ocfs2_xattr_set_acl_access, +}; + +struct xattr_handler ocfs2_xattr_acl_default_handler = { + .prefix = POSIX_ACL_XATTR_DEFAULT, + .list = ocfs2_xattr_list_acl_default, + .get = ocfs2_xattr_get_acl_default, + .set = ocfs2_xattr_set_acl_default, +}; diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h new file mode 100644 index 0000000..1b39f3e --- /dev/null +++ b/fs/ocfs2/acl.h @@ -0,0 +1,29 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * acl.h + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef OCFS2_ACL_H +#define OCFS2_ACL_H + +#include + +struct ocfs2_acl_entry { + __le16 e_tag; + __le16 e_perm; + __le32 e_id; +}; + +#endif /* OCFS2_ACL_H */ diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 3fed9e3..25d07ff 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -195,6 +195,7 @@ enum ocfs2_mount_options OCFS2_MOUNT_LOCALFLOCKS = 1 << 5, /* No cluster aware user file locks */ OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */ OCFS2_MOUNT_INODE64 = 1 << 7, /* Allow inode numbers > 2^32 */ + OCFS2_MOUNT_POSIX_ACL = 1 << 8, /* POSIX access control lists */ }; #define OCFS2_OSB_SOFT_RO 0x0001 diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index ba9b870..2e273c2 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -91,6 +91,10 @@ static struct ocfs2_xattr_def_value_root def_xv = { struct xattr_handler *ocfs2_xattr_handlers[] = { &ocfs2_xattr_user_handler, +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + &ocfs2_xattr_acl_access_handler, + &ocfs2_xattr_acl_default_handler, +#endif &ocfs2_xattr_trusted_handler, &ocfs2_xattr_security_handler, NULL @@ -98,6 +102,12 @@ struct xattr_handler *ocfs2_xattr_handlers[] = { static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = { [OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler, +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + [OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS] + = &ocfs2_xattr_acl_access_handler, + [OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT] + = &ocfs2_xattr_acl_default_handler, +#endif [OCFS2_XATTR_INDEX_TRUSTED] = &ocfs2_xattr_trusted_handler, [OCFS2_XATTR_INDEX_SECURITY] = &ocfs2_xattr_security_handler, }; diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 86aa10f..6163df3 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -40,6 +40,10 @@ struct ocfs2_security_xattr_info { extern struct xattr_handler ocfs2_xattr_user_handler; extern struct xattr_handler ocfs2_xattr_trusted_handler; extern struct xattr_handler ocfs2_xattr_security_handler; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL +extern struct xattr_handler ocfs2_xattr_acl_access_handler; +extern struct xattr_handler ocfs2_xattr_acl_default_handler; +#endif extern struct xattr_handler *ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); -- cgit v0.10.2 From 23fc2702bea686569281708ad519b41a11d0a2f4 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:17:18 +0800 Subject: ocfs2: add ocfs2_check_acl This function is used to enhance permission checking with POSIX ACLs. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 62d0faa..a6a2bf6 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -230,6 +230,21 @@ static int ocfs2_set_acl(handle_t *handle, return ret; } +int ocfs2_check_acl(struct inode *inode, int mask) +{ + struct posix_acl *acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + + if (IS_ERR(acl)) + return PTR_ERR(acl); + if (acl) { + int ret = posix_acl_permission(inode, acl, mask); + posix_acl_release(acl); + return ret; + } + + return -EAGAIN; +} + static size_t ocfs2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h index 1b39f3e..fef10f1 100644 --- a/fs/ocfs2/acl.h +++ b/fs/ocfs2/acl.h @@ -26,4 +26,14 @@ struct ocfs2_acl_entry { __le32 e_id; }; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + +extern int ocfs2_check_acl(struct inode *, int); + +#else /* CONFIG_OCFS2_FS_POSIX_ACL*/ + +#define ocfs2_check_acl NULL + +#endif /* CONFIG_OCFS2_FS_POSIX_ACL*/ + #endif /* OCFS2_ACL_H */ diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 3605491..7bad7d9 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -56,6 +56,7 @@ #include "suballoc.h" #include "super.h" #include "xattr.h" +#include "acl.h" #include "buffer_head_io.h" @@ -1035,7 +1036,7 @@ int ocfs2_permission(struct inode *inode, int mask) goto out; } - ret = generic_permission(inode, mask, NULL); + ret = generic_permission(inode, mask, ocfs2_check_acl); ocfs2_inode_unlock(inode, 0); out: -- cgit v0.10.2 From 060bc66dd5017460076d9e808e2198cd532c943d Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:17:29 +0800 Subject: ocfs2: add ocfs2_acl_chmod This function is used to update acl xattrs during file mode changes. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index a6a2bf6..df72256 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -245,6 +245,33 @@ int ocfs2_check_acl(struct inode *inode, int mask) return -EAGAIN; } +int ocfs2_acl_chmod(struct inode *inode) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl, *clone; + int ret; + + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + + if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) + return 0; + + acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS); + if (IS_ERR(acl) || !acl) + return PTR_ERR(acl); + clone = posix_acl_clone(acl, GFP_KERNEL); + posix_acl_release(acl); + if (!clone) + return -ENOMEM; + ret = posix_acl_chmod_masq(clone, inode->i_mode); + if (!ret) + ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS, + clone, NULL, NULL); + posix_acl_release(clone); + return ret; +} + static size_t ocfs2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h index fef10f1..68ffd64 100644 --- a/fs/ocfs2/acl.h +++ b/fs/ocfs2/acl.h @@ -29,10 +29,15 @@ struct ocfs2_acl_entry { #ifdef CONFIG_OCFS2_FS_POSIX_ACL extern int ocfs2_check_acl(struct inode *, int); +extern int ocfs2_acl_chmod(struct inode *); #else /* CONFIG_OCFS2_FS_POSIX_ACL*/ #define ocfs2_check_acl NULL +static inline int ocfs2_acl_chmod(struct inode *inode) +{ + return 0; +} #endif /* CONFIG_OCFS2_FS_POSIX_ACL*/ diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 7bad7d9..4636aa6 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -990,6 +990,12 @@ bail_unlock_rw: bail: brelse(bh); + if (!status && attr->ia_valid & ATTR_MODE) { + status = ocfs2_acl_chmod(inode); + if (status < 0) + mlog_errno(status); + } + mlog_exit(status); return status; } -- cgit v0.10.2 From 89c38bd0ade3c567707ed8fce088b253b0369c50 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:17:41 +0800 Subject: ocfs2: add ocfs2_init_acl in mknod We need to get the parent directories acls and let the new child inherit it. To this, we add additional calculations for data/metadata allocation. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index df72256..12dfb44 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -272,6 +272,65 @@ int ocfs2_acl_chmod(struct inode *inode) return ret; } +/* + * Initialize the ACLs of a new inode. If parent directory has default ACL, + * then clone to new inode. Called from ocfs2_mknod. + */ +int ocfs2_init_acl(handle_t *handle, + struct inode *inode, + struct inode *dir, + struct buffer_head *di_bh, + struct buffer_head *dir_bh, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct posix_acl *acl = NULL; + int ret = 0; + + if (!S_ISLNK(inode->i_mode)) { + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) { + acl = ocfs2_get_acl_nolock(dir, ACL_TYPE_DEFAULT, + dir_bh); + if (IS_ERR(acl)) + return PTR_ERR(acl); + } + if (!acl) + inode->i_mode &= ~current->fs->umask; + } + if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) { + struct posix_acl *clone; + mode_t mode; + + if (S_ISDIR(inode->i_mode)) { + ret = ocfs2_set_acl(handle, inode, di_bh, + ACL_TYPE_DEFAULT, acl, + meta_ac, data_ac); + if (ret) + goto cleanup; + } + clone = posix_acl_clone(acl, GFP_NOFS); + ret = -ENOMEM; + if (!clone) + goto cleanup; + + mode = inode->i_mode; + ret = posix_acl_create_masq(clone, &mode); + if (ret >= 0) { + inode->i_mode = mode; + if (ret > 0) { + ret = ocfs2_set_acl(handle, inode, + di_bh, ACL_TYPE_ACCESS, + clone, meta_ac, data_ac); + } + } + posix_acl_release(clone); + } +cleanup: + posix_acl_release(acl); + return ret; +} + static size_t ocfs2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h index 68ffd64..8f6389e 100644 --- a/fs/ocfs2/acl.h +++ b/fs/ocfs2/acl.h @@ -30,6 +30,10 @@ struct ocfs2_acl_entry { extern int ocfs2_check_acl(struct inode *, int); extern int ocfs2_acl_chmod(struct inode *); +extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *, + struct buffer_head *, struct buffer_head *, + struct ocfs2_alloc_context *, + struct ocfs2_alloc_context *); #else /* CONFIG_OCFS2_FS_POSIX_ACL*/ @@ -38,6 +42,16 @@ static inline int ocfs2_acl_chmod(struct inode *inode) { return 0; } +static inline int ocfs2_init_acl(handle_t *handle, + struct inode *inode, + struct inode *dir, + struct buffer_head *di_bh, + struct buffer_head *dir_bh, + struct ocfs2_alloc_context *meta_ac, + struct ocfs2_alloc_context *data_ac) +{ + return 0; +} #endif /* CONFIG_OCFS2_FS_POSIX_ACL*/ diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 40da46b..7655145 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -61,6 +61,7 @@ #include "sysfile.h" #include "uptodate.h" #include "xattr.h" +#include "acl.h" #include "buffer_head_io.h" @@ -302,14 +303,13 @@ static int ocfs2_mknod(struct inode *dir, } } - /* calculate meta data/clusters for setting security xattr */ - if (si.enable) { - status = ocfs2_calc_security_init(dir, &si, &want_clusters, - &xattr_credits, &xattr_ac); - if (status < 0) { - mlog_errno(status); - goto leave; - } + /* calculate meta data/clusters for setting security and acl xattr */ + status = ocfs2_calc_xattr_init(dir, parent_fe_bh, mode, + &si, &want_clusters, + &xattr_credits, &xattr_ac); + if (status < 0) { + mlog_errno(status); + goto leave; } /* Reserve a cluster if creating an extent based directory. */ @@ -363,6 +363,13 @@ static int ocfs2_mknod(struct inode *dir, inc_nlink(dir); } + status = ocfs2_init_acl(handle, inode, dir, new_fe_bh, parent_fe_bh, + xattr_ac, data_ac); + if (status < 0) { + mlog_errno(status); + goto leave; + } + if (si.enable) { status = ocfs2_init_security_set(handle, inode, new_fe_bh, &si, xattr_ac, data_ac); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 2e273c2..3cc8385 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -84,6 +84,10 @@ struct ocfs2_xattr_set_ctxt { #define OCFS2_XATTR_FREE_IN_IBODY (OCFS2_MIN_XATTR_INLINE_SIZE \ - sizeof(struct ocfs2_xattr_header) \ - sizeof(__u32)) +#define OCFS2_XATTR_FREE_IN_BLOCK(ptr) ((ptr)->i_sb->s_blocksize \ + - sizeof(struct ocfs2_xattr_block) \ + - sizeof(struct ocfs2_xattr_header) \ + - sizeof(__u32)) static struct ocfs2_xattr_def_value_root def_xv = { .xv.xr_list.l_count = cpu_to_le16(1), @@ -402,6 +406,81 @@ int ocfs2_calc_security_init(struct inode *dir, return ret; } +int ocfs2_calc_xattr_init(struct inode *dir, + struct buffer_head *dir_bh, + int mode, + struct ocfs2_security_xattr_info *si, + int *want_clusters, + int *xattr_credits, + struct ocfs2_alloc_context **xattr_ac) +{ + int ret = 0; + struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); + int s_size = 0; + int a_size = 0; + int acl_len = 0; + + if (si->enable) + s_size = ocfs2_xattr_entry_real_size(strlen(si->name), + si->value_len); + + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) { + acl_len = ocfs2_xattr_get_nolock(dir, dir_bh, + OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT, + "", NULL, 0); + if (acl_len > 0) { + a_size = ocfs2_xattr_entry_real_size(0, acl_len); + if (S_ISDIR(mode)) + a_size <<= 1; + } else if (acl_len != 0 && acl_len != -ENODATA) { + mlog_errno(ret); + return ret; + } + } + + if (!(s_size + a_size)) + return ret; + + /* + * The max space of security xattr taken inline is + * 256(name) + 80(value) + 16(entry) = 352 bytes, + * The max space of acl xattr taken inline is + * 80(value) + 16(entry) * 2(if directory) = 192 bytes, + * when blocksize = 512, may reserve one more cluser for + * xattr bucket, otherwise reserve one metadata block + * for them is ok. + */ + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE || + (s_size + a_size) > OCFS2_XATTR_FREE_IN_IBODY) { + ret = ocfs2_reserve_new_metadata_blocks(osb, 1, xattr_ac); + if (ret) { + mlog_errno(ret); + return ret; + } + *xattr_credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS; + } + + if (dir->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE && + (s_size + a_size) > OCFS2_XATTR_FREE_IN_BLOCK(dir)) { + *want_clusters += 1; + *xattr_credits += ocfs2_blocks_per_xattr_bucket(dir->i_sb); + } + + /* reserve clusters for xattr value which will be set in B tree*/ + if (si->enable && si->value_len > OCFS2_XATTR_INLINE_SIZE) + *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL && + acl_len > OCFS2_XATTR_INLINE_SIZE) { + *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, acl_len); + if (S_ISDIR(mode)) + *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, + acl_len); + } + + return ret; +} + static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, struct buffer_head *xattr_bh, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 6163df3..9a67e7d 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -66,5 +66,8 @@ int ocfs2_init_security_set(handle_t *, struct inode *, int ocfs2_calc_security_init(struct inode *, struct ocfs2_security_xattr_info *, int *, int *, struct ocfs2_alloc_context **); +int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, + int, struct ocfs2_security_xattr_info *, + int *, int *, struct ocfs2_alloc_context **); #endif /* OCFS2_XATTR_H */ -- cgit v0.10.2 From a68979b857283daf4acc405e476dcc8812a3ff2b Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Fri, 14 Nov 2008 11:17:52 +0800 Subject: ocfs2: add mount option and Kconfig option for acl This patch adds the Kconfig option "CONFIG_OCFS2_FS_POSIX_ACL" and mount options "acl" to enable acls in Ocfs2. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt index 67310fb..c2a0871 100644 --- a/Documentation/filesystems/ocfs2.txt +++ b/Documentation/filesystems/ocfs2.txt @@ -31,7 +31,6 @@ Features which OCFS2 does not support yet: - quotas - Directory change notification (F_NOTIFY) - Distributed Caching (F_SETLEASE/F_GETLEASE/break_lease) - - POSIX ACLs Mount options ============= @@ -79,3 +78,5 @@ inode64 Indicates that Ocfs2 is allowed to create inodes at bits of significance. user_xattr (*) Enables Extended User Attributes. nouser_xattr Disables Extended User Attributes. +acl Enables POSIX Access Control Lists support. +noacl (*) Disables POSIX Access Control Lists support. diff --git a/fs/Kconfig b/fs/Kconfig index ff0e819..e8a47f7 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -268,6 +268,15 @@ config OCFS2_COMPAT_JBD is backwards compatible with JBD. It is safe to say N here. However, if you really want to use the original JBD, say Y here. +config OCFS2_FS_POSIX_ACL + bool "OCFS2 POSIX Access Control Lists" + depends on OCFS2_FS + select FS_POSIX_ACL + default n + help + Posix Access Control Lists (ACLs) support permissions for users and + groups beyond the owner/group/world scheme. + endif # BLOCK source "fs/notify/Kconfig" diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 304b63a..9e7accc 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -158,6 +158,8 @@ enum { Opt_user_xattr, Opt_nouser_xattr, Opt_inode64, + Opt_acl, + Opt_noacl, Opt_err, }; @@ -180,6 +182,8 @@ static const match_table_t tokens = { {Opt_user_xattr, "user_xattr"}, {Opt_nouser_xattr, "nouser_xattr"}, {Opt_inode64, "inode64"}, + {Opt_acl, "acl"}, + {Opt_noacl, "noacl"}, {Opt_err, NULL} }; @@ -466,6 +470,8 @@ unlock_osb: if (!ret) { /* Only save off the new mount options in case of a successful * remount. */ + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; @@ -651,6 +657,10 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) } brelse(bh); bh = NULL; + + if (!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_XATTR)) + parsed_options.mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + osb->s_mount_opt = parsed_options.mount_opt; osb->s_atime_quantum = parsed_options.atime_quantum; osb->preferred_slot = parsed_options.slot; @@ -664,6 +674,9 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = OCFS2_SUPER_MAGIC; + sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | + ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); + /* Hard readonly mode only if: bdev_read_only, MS_RDONLY, * heartbeat=none */ if (bdev_read_only(sb->s_bdev)) { @@ -945,6 +958,19 @@ static int ocfs2_parse_options(struct super_block *sb, case Opt_inode64: mopt->mount_opt |= OCFS2_MOUNT_INODE64; break; +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + case Opt_acl: + mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL; + break; + case Opt_noacl: + mopt->mount_opt &= ~OCFS2_MOUNT_POSIX_ACL; + break; +#else + case Opt_acl: + case Opt_noacl: + printk(KERN_INFO "ocfs2 (no)acl options not supported\n"); + break; +#endif default: mlog(ML_ERROR, "Unrecognized mount option \"%s\" " @@ -1017,6 +1043,13 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (opts & OCFS2_MOUNT_INODE64) seq_printf(s, ",inode64"); +#ifdef CONFIG_OCFS2_FS_POSIX_ACL + if (opts & OCFS2_MOUNT_POSIX_ACL) + seq_printf(s, ",acl"); + else + seq_printf(s, ",noacl"); +#endif + return 0; } -- cgit v0.10.2 From b657c95c11088d77fc1bfc9c84d940f778bf9d12 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:11 -0800 Subject: ocfs2: Wrap inode block reads in a dedicated function. The ocfs2 code currently reads inodes off disk with a simple ocfs2_read_block() call. Each place that does this has a different set of sanity checks it performs. Some check only the signature. A couple validate the block number (the block read vs di->i_blkno). A couple others check for VALID_FL. Only one place validates i_fs_generation. A couple check nothing. Even when an error is found, they don't all do the same thing. We wrap inode reading into ocfs2_read_inode_block(). This will validate all the above fields, going readonly if they are invalid (they never should be). ocfs2_read_inode_block_full() is provided for the places that want to pass read_block flags. Every caller is passing a struct inode with a valid ip_blkno, so we don't need a separate blkno argument either. We will remove the validation checks from the rest of the code in a later commit, as they are no longer necessary. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 5592a2f..9c598ad 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5658,7 +5658,7 @@ static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { iput(inode); mlog_errno(status); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index c22543b..e219f8b 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -68,20 +68,13 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, goto bail; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { mlog_errno(status); goto bail; } fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n", - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature); - goto bail; - } - if ((u64)iblock >= ocfs2_clusters_to_blocks(inode->i_sb, le32_to_cpu(fe->i_clusters))) { mlog(ML_ERROR, "block offset is outside the allocated size: " @@ -262,7 +255,7 @@ static int ocfs2_readpage_inline(struct inode *inode, struct page *page) BUG_ON(!PageLocked(page)); BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL)); - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 026e6eb..5777045 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -231,7 +231,7 @@ static struct buffer_head *ocfs2_find_entry_id(const char *name, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(dir, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -458,7 +458,7 @@ static inline int ocfs2_delete_entry_id(handle_t *handle, struct ocfs2_dinode *di; struct ocfs2_inline_data *data; - ret = ocfs2_read_block(dir, OCFS2_I(dir)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(dir, &di_bh); if (ret) { mlog_errno(ret); goto out; @@ -636,7 +636,7 @@ static int ocfs2_dir_foreach_blk_id(struct inode *inode, struct ocfs2_inline_data *data; struct ocfs2_dir_entry *de; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog(ML_ERROR, "Unable to read inode block for dir %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 6e6cc0a..9f2a7f7 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2024,7 +2024,7 @@ static int ocfs2_inode_lock_update(struct inode *inode, } else { /* Boo, we have to go to disk. */ /* read bh, cast, ocfs2_refresh_inode */ - status = ocfs2_read_block(inode, oi->ip_blkno, bh); + status = ocfs2_read_inode_block(inode, bh); if (status < 0) { mlog_errno(status); goto bail_refresh; @@ -2032,18 +2032,14 @@ static int ocfs2_inode_lock_update(struct inode *inode, fe = (struct ocfs2_dinode *) (*bh)->b_data; /* This is a good chance to make sure we're not - * locking an invalid object. + * locking an invalid object. ocfs2_read_inode_block() + * already checked that the inode block is sane. * * We bug on a stale inode here because we checked * above whether it was wiped from disk. The wiping * node provides a guarantee that we receive that * message and can mark the inode before dropping any * locks associated with it. */ - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto bail_refresh; - } mlog_bug_on_msg(inode->i_generation != le32_to_cpu(fe->i_generation), "Invalid dinode %llu disk generation: %u " @@ -2085,7 +2081,7 @@ static int ocfs2_assign_bh(struct inode *inode, return 0; } - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, ret_bh); + status = ocfs2_read_inode_block(inode, ret_bh); if (status < 0) mlog_errno(status); diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 2baedac..b686b31 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -630,7 +630,7 @@ int ocfs2_get_clusters(struct inode *inode, u32 v_cluster, if (ret == 0) goto out; - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 4636aa6..41001d5 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -402,12 +402,9 @@ static int ocfs2_truncate_file(struct inode *inode, (unsigned long long)OCFS2_I(inode)->ip_blkno, (unsigned long long)new_i_size); + /* We trust di_bh because it comes from ocfs2_inode_lock(), which + * already validated it */ fe = (struct ocfs2_dinode *) di_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto bail; - } mlog_bug_on_msg(le64_to_cpu(fe->i_size) != i_size_read(inode), "Inode %llu, inode i_size = %lld != di " @@ -546,18 +543,12 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, */ BUG_ON(mark_unwritten && !ocfs2_sparse_alloc(osb)); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, &bh); + status = ocfs2_read_inode_block(inode, &bh); if (status < 0) { mlog_errno(status); goto leave; } - fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(inode->i_sb, fe); - status = -EIO; - goto leave; - } restart_all: BUG_ON(le32_to_cpu(fe->i_clusters) != OCFS2_I(inode)->ip_clusters); @@ -1135,9 +1126,8 @@ static int ocfs2_write_remove_suid(struct inode *inode) { int ret; struct buffer_head *bh = NULL; - struct ocfs2_inode_info *oi = OCFS2_I(inode); - ret = ocfs2_read_block(inode, oi->ip_blkno, &bh); + ret = ocfs2_read_inode_block(inode, &bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -1163,8 +1153,7 @@ static int ocfs2_allocate_unwritten_extents(struct inode *inode, struct buffer_head *di_bh = NULL; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { - ret = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, - &di_bh); + ret = ocfs2_read_inode_block(inode, &di_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7aa00d5..9eb701b8 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -214,12 +214,11 @@ static int ocfs2_init_locked_inode(struct inode *inode, void *opaque) return 0; } -int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, - int create_ino) +void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, + int create_ino) { struct super_block *sb; struct ocfs2_super *osb; - int status = -EINVAL; int use_plocks = 1; mlog_entry("(0x%p, size:%llu)\n", inode, @@ -232,25 +231,17 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks()) use_plocks = 0; - /* this means that read_inode cannot create a superblock inode - * today. change if needed. */ - if (!OCFS2_IS_VALID_DINODE(fe) || - !(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL))) { - mlog(0, "Invalid dinode: i_ino=%lu, i_blkno=%llu, " - "signature = %.*s, flags = 0x%x\n", - inode->i_ino, - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature, le32_to_cpu(fe->i_flags)); - goto bail; - } + /* + * These have all been checked by ocfs2_read_inode_block() or set + * by ocfs2_mknod_locked(), so a failure is a code bug. + */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); /* This means that read_inode + cannot create a superblock + inode today. change if + that is needed. */ + BUG_ON(!(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL))); + BUG_ON(le32_to_cpu(fe->i_fs_generation) != osb->fs_generation); - if (le32_to_cpu(fe->i_fs_generation) != osb->fs_generation) { - mlog(ML_ERROR, "file entry generation does not match " - "superblock! osb->fs_generation=%x, " - "fe->i_fs_generation=%x\n", - osb->fs_generation, le32_to_cpu(fe->i_fs_generation)); - goto bail; - } OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters); OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr); @@ -354,10 +345,7 @@ int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, ocfs2_set_inode_flags(inode); - status = 0; -bail: - mlog_exit(status); - return status; + mlog_exit_void(); } static int ocfs2_read_locked_inode(struct inode *inode, @@ -460,11 +448,14 @@ static int ocfs2_read_locked_inode(struct inode *inode, } } - if (can_lock) - status = ocfs2_read_blocks(inode, args->fi_blkno, 1, &bh, - OCFS2_BH_IGNORE_CACHE); - else + if (can_lock) { + status = ocfs2_read_inode_block_full(inode, &bh, + OCFS2_BH_IGNORE_CACHE); + } else { status = ocfs2_read_blocks_sync(osb, args->fi_blkno, 1, &bh); + if (!status) + status = ocfs2_validate_inode_block(osb->sb, bh); + } if (status < 0) { mlog_errno(status); goto bail; @@ -472,12 +463,6 @@ static int ocfs2_read_locked_inode(struct inode *inode, status = -EINVAL; fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - mlog(0, "Invalid dinode #%llu: signature = %.*s\n", - (unsigned long long)args->fi_blkno, 7, - fe->i_signature); - goto bail; - } /* * This is a code bug. Right now the caller needs to @@ -491,10 +476,9 @@ static int ocfs2_read_locked_inode(struct inode *inode, if (S_ISCHR(le16_to_cpu(fe->i_mode)) || S_ISBLK(le16_to_cpu(fe->i_mode))) - inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev)); + inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev)); - if (ocfs2_populate_inode(inode, fe, 0) < 0) - goto bail; + ocfs2_populate_inode(inode, fe, 0); BUG_ON(args->fi_blkno != le64_to_cpu(fe->i_blkno)); @@ -1264,3 +1248,79 @@ void ocfs2_refresh_inode(struct inode *inode, spin_unlock(&OCFS2_I(inode)->ip_lock); } + +int ocfs2_validate_inode_block(struct super_block *sb, + struct buffer_head *bh) +{ + int rc = -EINVAL; + struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; + + BUG_ON(!buffer_uptodate(bh)); + + if (!OCFS2_IS_VALID_DINODE(di)) { + ocfs2_error(sb, "Invalid dinode #%llu: signature = %.*s\n", + (unsigned long long)bh->b_blocknr, 7, + di->i_signature); + goto bail; + } + + if (le64_to_cpu(di->i_blkno) != bh->b_blocknr) { + ocfs2_error(sb, "Invalid dinode #%llu: i_blkno is %llu\n", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(di->i_blkno)); + goto bail; + } + + if (!(di->i_flags & cpu_to_le32(OCFS2_VALID_FL))) { + ocfs2_error(sb, + "Invalid dinode #%llu: OCFS2_VALID_FL not set\n", + (unsigned long long)bh->b_blocknr); + goto bail; + } + + if (le32_to_cpu(di->i_fs_generation) != + OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Invalid dinode #%llu: fs_generation is %u\n", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(di->i_fs_generation)); + goto bail; + } + + rc = 0; + +bail: + return rc; +} + +int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, + int flags) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, &tmp, + flags); + if (rc) + goto out; + + if (!(flags & OCFS2_BH_READAHEAD)) { + rc = ocfs2_validate_inode_block(inode->i_sb, tmp); + if (rc) { + brelse(tmp); + goto out; + } + } + + /* If ocfs2_read_blocks() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc; +} + +int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh) +{ + return ocfs2_read_inode_block_full(inode, bh, 0); +} diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index 2f37af9..b79c371 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -128,8 +128,8 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 feoff, unsigned flags, int sysfile_type); int ocfs2_inode_init_private(struct inode *inode); int ocfs2_inode_revalidate(struct dentry *dentry); -int ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, - int create_ino); +void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, + int create_ino); void ocfs2_read_inode(struct inode *inode); void ocfs2_read_inode2(struct inode *inode, void *opaque); ssize_t ocfs2_rw_direct(int rw, struct file *filp, char *buf, @@ -153,4 +153,16 @@ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode) return (blkcnt_t)(OCFS2_I(inode)->ip_clusters << c_to_s_bits); } +/* Validate that a bh contains a valid inode */ +int ocfs2_validate_inode_block(struct super_block *sb, + struct buffer_head *bh); +/* + * Read an inode block into *bh. If *bh is NULL, a bh will be allocated. + * This is a cached read. The inode will be validated with + * ocfs2_validate_inode_block(). + */ +int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh); +/* The same, but can be passed OCFS2_BH_* flags */ +int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, + int flags); #endif /* OCFS2_INODE_H */ diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 99fe9d5..877aaa0 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -1135,8 +1135,7 @@ static int ocfs2_read_journal_inode(struct ocfs2_super *osb, } SET_INODE_JOURNAL(inode); - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, bh, - OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, bh, OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 687b287..19cfb1b 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -248,8 +248,8 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb) goto bail; } - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, &alloc_bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; @@ -459,8 +459,8 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, mutex_lock(&inode->i_mutex); - status = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, - &alloc_bh, OCFS2_BH_IGNORE_CACHE); + status = ocfs2_read_inode_block_full(inode, &alloc_bh, + OCFS2_BH_IGNORE_CACHE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 7655145..0134baf 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -531,15 +531,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, goto leave; } - if (ocfs2_populate_inode(inode, fe, 1) < 0) { - mlog(ML_ERROR, "populate inode failed! bh->b_blocknr=%llu, " - "i_blkno=%llu, i_ino=%lu\n", - (unsigned long long)(*new_fe_bh)->b_blocknr, - (unsigned long long)le64_to_cpu(fe->i_blkno), - inode->i_ino); - BUG(); - } - + ocfs2_populate_inode(inode, fe, 1); ocfs2_inode_set_new(osb, inode); if (!ocfs2_mount_local(osb)) { status = ocfs2_create_new_inode_locks(inode); @@ -1864,9 +1856,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - status = ocfs2_read_block(orphan_dir_inode, - OCFS2_I(orphan_dir_inode)->ip_blkno, - &orphan_dir_bh); + status = ocfs2_read_inode_block(orphan_dir_inode, &orphan_dir_bh); if (status < 0) { mlog_errno(status); goto leave; diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index cbd03df..ed0a0cf 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -84,7 +84,7 @@ static char *ocfs2_fast_symlink_getlink(struct inode *inode, mlog_entry_void(); - status = ocfs2_read_block(inode, OCFS2_I(inode)->ip_blkno, bh); + status = ocfs2_read_inode_block(inode, bh); if (status < 0) { mlog_errno(status); link = ERR_PTR(status); -- cgit v0.10.2 From 10995aa2451afa20b721cc7de856cae1a13dba57 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:12 -0800 Subject: ocfs2: Morph the haphazard OCFS2_IS_VALID_DINODE() checks. Random places in the code would check a dinode bh to see if it was valid. Not only did they do different levels of validation, they handled errors in different ways. The previous commit unified inode block reads, validating all block reads in the same place. Thus, these haphazard checks are no longer necessary. Rather than eliminate them, however, we change them to BUG_ON() checks. This ensures the assumptions remain true. All of the code paths to these checks have been audited to ensure they come from a validated inode read. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 9c598ad..320545b 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -187,20 +187,12 @@ static int ocfs2_dinode_insert_check(struct inode *inode, static int ocfs2_dinode_sanity_check(struct inode *inode, struct ocfs2_extent_tree *et) { - int ret = 0; - struct ocfs2_dinode *di; + struct ocfs2_dinode *di = et->et_object; BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); - di = et->et_object; - if (!OCFS2_IS_VALID_DINODE(di)) { - ret = -EIO; - ocfs2_error(inode->i_sb, - "Inode %llu has invalid path root", - (unsigned long long)OCFS2_I(inode)->ip_blkno); - } - - return ret; + return 0; } static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) @@ -5380,13 +5372,13 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb, start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk); di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, di); - status = -EIO; - goto bail; - } + /* tl_bh is loaded from ocfs2_truncate_log_init(). It's validated + * by the underlying call to ocfs2_read_inode_block(), so any + * corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; tl_count = le16_to_cpu(tl->tl_count); mlog_bug_on_msg(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) || tl_count == 0, @@ -5536,13 +5528,13 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb) BUG_ON(mutex_trylock(&tl_inode->i_mutex)); di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, di); - status = -EIO; - goto out; - } + /* tl_bh is loaded from ocfs2_truncate_log_init(). It's validated + * by the underlying call to ocfs2_read_inode_block(), so any + * corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; num_to_flush = le16_to_cpu(tl->tl_used); mlog(0, "Flush %u records from truncate log #%llu\n", num_to_flush, (unsigned long long)OCFS2_I(tl_inode)->ip_blkno); @@ -5697,13 +5689,13 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb, } di = (struct ocfs2_dinode *) tl_bh->b_data; - tl = &di->id2.i_dealloc; - if (!OCFS2_IS_VALID_DINODE(di)) { - OCFS2_RO_ON_INVALID_DINODE(tl_inode->i_sb, di); - status = -EIO; - goto bail; - } + /* tl_bh is loaded from ocfs2_get_truncate_log_info(). It's + * validated by the underlying call to ocfs2_read_inode_block(), + * so any corruption is a code bug */ + BUG_ON(!OCFS2_IS_VALID_DINODE(di)); + + tl = &di->id2.i_dealloc; if (le16_to_cpu(tl->tl_used)) { mlog(0, "We'll have %u logs to recover\n", le16_to_cpu(tl->tl_used)); diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 877aaa0..9223bfc 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -587,17 +587,11 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, mlog_entry_void(); fe = (struct ocfs2_dinode *)bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - /* This is called from startup/shutdown which will - * handle the errors in a specific manner, so no need - * to call ocfs2_error() here. */ - mlog(ML_ERROR, "Journal dinode %llu has invalid " - "signature: %.*s", - (unsigned long long)le64_to_cpu(fe->i_blkno), 7, - fe->i_signature); - status = -EIO; - goto out; - } + + /* The journal bh on the osb always comes from ocfs2_journal_init() + * and was validated there inside ocfs2_inode_lock_full(). It's a + * code bug if we mess it up. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); flags = le32_to_cpu(fe->id1.journal1.ij_flags); if (dirty) @@ -613,7 +607,6 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, if (status < 0) mlog_errno(status); -out: mlog_exit(status); return status; } diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 25d07ff..467bdb6 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -444,14 +444,6 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_DINODE(ptr) \ (!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_DINODE(__sb, __di) do { \ - typeof(__di) ____di = (__di); \ - ocfs2_error((__sb), \ - "Dinode # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____di)->i_blkno), 7, \ - (____di)->i_signature); \ -} while (0) - #define OCFS2_IS_VALID_EXTENT_BLOCK(ptr) \ (!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE)) diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index ffd48db..739d452 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -314,6 +314,10 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) fe = (struct ocfs2_dinode *)main_bm_bh->b_data; + /* main_bm_bh is validated by inode read inside ocfs2_inode_lock(), + * so any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (le16_to_cpu(fe->id2.i_chain.cl_cpg) != ocfs2_group_bitmap_size(osb->sb) * 8) { mlog(ML_ERROR, "The disk is too old and small. " @@ -322,12 +326,6 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) goto out_unlock; } - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(main_bm_inode->i_sb, fe); - ret = -EIO; - goto out_unlock; - } - first_new_cluster = le32_to_cpu(fe->i_clusters); lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index c5ff18b..95d432b 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -441,11 +441,11 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, ac->ac_alloc_slot = slot; fe = (struct ocfs2_dinode *) bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto bail; - } + + /* The bh was validated by the inode read inside + * ocfs2_inode_lock(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (!(fe->i_flags & cpu_to_le32(OCFS2_CHAIN_FL))) { ocfs2_error(alloc_inode->i_sb, "Invalid chain allocator %llu", (unsigned long long)le64_to_cpu(fe->i_blkno)); @@ -931,11 +931,6 @@ static int ocfs2_relink_block_group(handle_t *handle, struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; struct ocfs2_group_desc *prev_bg = (struct ocfs2_group_desc *) prev_bg_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto out; - } if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); status = -EIO; @@ -1392,11 +1387,11 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_super *osb, BUG_ON(!ac->ac_bh); fe = (struct ocfs2_dinode *) ac->ac_bh->b_data; - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(osb->sb, fe); - status = -EIO; - goto bail; - } + + /* The bh was validated by the inode read during + * ocfs2_reserve_suballoc_bits(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + if (le32_to_cpu(fe->id1.bitmap1.i_used) >= le32_to_cpu(fe->id1.bitmap1.i_total)) { ocfs2_error(osb->sb, "Chain allocator dinode %llu has %u used " @@ -1782,11 +1777,12 @@ int ocfs2_free_suballoc_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_DINODE(fe)) { - OCFS2_RO_ON_INVALID_DINODE(alloc_inode->i_sb, fe); - status = -EIO; - goto bail; - } + /* The alloc_bh comes from ocfs2_free_dinode() or + * ocfs2_free_clusters(). The callers have all locked the + * allocator and gotten alloc_bh from the lock call. This + * validates the dinode buffer. Any corruption that has happended + * is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); BUG_ON((count + start_bit) > ocfs2_bits_per_group(cl)); mlog(0, "%llu: freeing %u bits from group %llu, starting at %u\n", -- cgit v0.10.2 From 57e3e7971136003c96766346049aa73b82cab079 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:13 -0800 Subject: ocfs2: Consolidate validation of group descriptors. Currently the validation of group descriptors is directly duplicated so that one version can error the filesystem and the other (resize) can just report the problem. Consolidate to one function that takes a boolean. Wrap that function with the old call for the old users. This is in preparation for lifting the read+validate step into a single function. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 739d452..a2de32a 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -396,41 +396,16 @@ static int ocfs2_check_new_group(struct inode *inode, struct buffer_head *group_bh) { int ret; - struct ocfs2_group_desc *gd; + struct ocfs2_group_desc *gd = + (struct ocfs2_group_desc *)group_bh->b_data; u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc); - unsigned int max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * - le16_to_cpu(di->id2.i_chain.cl_bpc); + ret = ocfs2_validate_group_descriptor(inode->i_sb, di, gd, 1); + if (ret) + goto out; - gd = (struct ocfs2_group_desc *)group_bh->b_data; - - ret = -EIO; - if (!OCFS2_IS_VALID_GROUP_DESC(gd)) - mlog(ML_ERROR, "Group descriptor # %llu isn't valid.\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno)); - else if (di->i_blkno != gd->bg_parent_dinode) - mlog(ML_ERROR, "Group descriptor # %llu has bad parent " - "pointer (%llu, expected %llu)\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), - (unsigned long long)le64_to_cpu(di->i_blkno)); - else if (le16_to_cpu(gd->bg_bits) > max_bits) - mlog(ML_ERROR, "Group descriptor # %llu has bit count of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits)); - else if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "claims that %u are free\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - else if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) - mlog(ML_ERROR, "Group descriptor # %llu has bit count %u but " - "max bitmap bits of %u\n", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - else if (le16_to_cpu(gd->bg_chain) != input->chain) + ret = -EINVAL; + if (le16_to_cpu(gd->bg_chain) != input->chain) mlog(ML_ERROR, "Group descriptor # %llu has bad chain %u " "while input has %u set.\n", (unsigned long long)le64_to_cpu(gd->bg_blkno), @@ -449,6 +424,7 @@ static int ocfs2_check_new_group(struct inode *inode, else ret = 0; +out: return ret; } diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 95d432b..ddba97d 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -146,59 +146,71 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) } /* somewhat more expensive than our other checks, so use sparingly. */ -int ocfs2_check_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd) +int ocfs2_validate_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct ocfs2_group_desc *gd, + int clean_error) { unsigned int max_bits; +#define do_error(fmt, ...) \ + do{ \ + if (clean_error) \ + mlog(ML_ERROR, fmt "\n", ##__VA_ARGS__); \ + else \ + ocfs2_error(sb, fmt, ##__VA_ARGS__); \ + } while (0) + if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(sb, gd); - return -EIO; + do_error("Group Descriptor #%llu has bad signature %.*s", + (unsigned long long)le64_to_cpu(gd->bg_blkno), 7, + gd->bg_signature); + return -EINVAL; } if (di->i_blkno != gd->bg_parent_dinode) { - ocfs2_error(sb, "Group descriptor # %llu has bad parent " - "pointer (%llu, expected %llu)", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), - (unsigned long long)le64_to_cpu(di->i_blkno)); - return -EIO; + do_error("Group descriptor # %llu has bad parent " + "pointer (%llu, expected %llu)", + (unsigned long long)le64_to_cpu(gd->bg_blkno), + (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), + (unsigned long long)le64_to_cpu(di->i_blkno)); + return -EINVAL; } max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * le16_to_cpu(di->id2.i_chain.cl_bpc); if (le16_to_cpu(gd->bg_bits) > max_bits) { - ocfs2_error(sb, "Group descriptor # %llu has bit count of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits)); - return -EIO; + do_error("Group descriptor # %llu has bit count of %u", + (unsigned long long)le64_to_cpu(gd->bg_blkno), + le16_to_cpu(gd->bg_bits)); + return -EINVAL; } if (le16_to_cpu(gd->bg_chain) >= le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) { - ocfs2_error(sb, "Group descriptor # %llu has bad chain %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_chain)); - return -EIO; + do_error("Group descriptor # %llu has bad chain %u", + (unsigned long long)le64_to_cpu(gd->bg_blkno), + le16_to_cpu(gd->bg_chain)); + return -EINVAL; } if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { - ocfs2_error(sb, "Group descriptor # %llu has bit count %u but " - "claims that %u are free", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - return -EIO; + do_error("Group descriptor # %llu has bit count %u but " + "claims that %u are free", + (unsigned long long)le64_to_cpu(gd->bg_blkno), + le16_to_cpu(gd->bg_bits), + le16_to_cpu(gd->bg_free_bits_count)); + return -EINVAL; } if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { - ocfs2_error(sb, "Group descriptor # %llu has bit count %u but " - "max bitmap bits of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - return -EIO; + do_error("Group descriptor # %llu has bit count %u but " + "max bitmap bits of %u", + (unsigned long long)le64_to_cpu(gd->bg_blkno), + le16_to_cpu(gd->bg_bits), + 8 * le16_to_cpu(gd->bg_size)); + return -EINVAL; } +#undef do_error return 0; } diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 4df159d..7adfcc4 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -165,9 +165,23 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); /* somewhat more expensive than our other checks, so use sparingly. */ -int ocfs2_check_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd); +/* + * By default, ocfs2_validate_group_descriptor() calls ocfs2_error() when it + * finds a problem. A caller that wants to check a group descriptor + * without going readonly passes a nonzero clean_error. This is only + * resize, really. + */ +int ocfs2_validate_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct ocfs2_group_desc *gd, + int clean_error); +static inline int ocfs2_check_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct ocfs2_group_desc *gd) +{ + return ocfs2_validate_group_descriptor(sb, di, gd, 0); +} + int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, -- cgit v0.10.2 From 68f64d471be38631d7196b938d9809802dd467fa Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:14 -0800 Subject: ocfs2: Wrap group descriptor reads in a dedicated function. We have a clean call for validating group descriptors, but every place that wants the always does a read_block()+validate() call pair. Create a toplevel ocfs2_read_group_descriptor() that does the right thing. This allows us to leverage the single call point later for fancier handling. We also add validation of gd->bg_generation against the superblock and gd->bg_blkno against the block we thought we read. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index a2de32a..252baff 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -330,20 +330,14 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) lgd_blkno = ocfs2_which_cluster_group(main_bm_inode, first_new_cluster - 1); - ret = ocfs2_read_block(main_bm_inode, lgd_blkno, &group_bh); + ret = ocfs2_read_group_descriptor(main_bm_inode, fe, lgd_blkno, + &group_bh); if (ret < 0) { mlog_errno(ret); goto out_unlock; } - group = (struct ocfs2_group_desc *)group_bh->b_data; - ret = ocfs2_check_group_descriptor(inode->i_sb, fe, group); - if (ret) { - mlog_errno(ret); - goto out_unlock; - } - cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc); if (le16_to_cpu(group->bg_bits) / cl_bpc + new_clusters > le16_to_cpu(fe->id2.i_chain.cl_cpg)) { @@ -400,7 +394,7 @@ static int ocfs2_check_new_group(struct inode *inode, (struct ocfs2_group_desc *)group_bh->b_data; u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc); - ret = ocfs2_validate_group_descriptor(inode->i_sb, di, gd, 1); + ret = ocfs2_validate_group_descriptor(inode->i_sb, di, group_bh, 1); if (ret) goto out; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index ddba97d..797f509 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -145,13 +145,13 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) return (u32)le16_to_cpu(cl->cl_cpg) * (u32)le16_to_cpu(cl->cl_bpc); } -/* somewhat more expensive than our other checks, so use sparingly. */ int ocfs2_validate_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd, + struct buffer_head *bh, int clean_error) { unsigned int max_bits; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; #define do_error(fmt, ...) \ do{ \ @@ -162,16 +162,32 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, } while (0) if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { - do_error("Group Descriptor #%llu has bad signature %.*s", - (unsigned long long)le64_to_cpu(gd->bg_blkno), 7, + do_error("Group descriptor #%llu has bad signature %.*s", + (unsigned long long)bh->b_blocknr, 7, gd->bg_signature); return -EINVAL; } + if (le64_to_cpu(gd->bg_blkno) != bh->b_blocknr) { + do_error("Group descriptor #%llu has an invalid bg_blkno " + "of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(gd->bg_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(gd->bg_generation) != OCFS2_SB(sb)->fs_generation) { + do_error("Group descriptor #%llu has an invalid " + "fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(gd->bg_generation)); + return -EINVAL; + } + if (di->i_blkno != gd->bg_parent_dinode) { - do_error("Group descriptor # %llu has bad parent " + do_error("Group descriptor #%llu has bad parent " "pointer (%llu, expected %llu)", - (unsigned long long)le64_to_cpu(gd->bg_blkno), + (unsigned long long)bh->b_blocknr, (unsigned long long)le64_to_cpu(gd->bg_parent_dinode), (unsigned long long)le64_to_cpu(di->i_blkno)); return -EINVAL; @@ -179,33 +195,33 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, max_bits = le16_to_cpu(di->id2.i_chain.cl_cpg) * le16_to_cpu(di->id2.i_chain.cl_bpc); if (le16_to_cpu(gd->bg_bits) > max_bits) { - do_error("Group descriptor # %llu has bit count of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), + do_error("Group descriptor #%llu has bit count of %u", + (unsigned long long)bh->b_blocknr, le16_to_cpu(gd->bg_bits)); return -EINVAL; } if (le16_to_cpu(gd->bg_chain) >= le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) { - do_error("Group descriptor # %llu has bad chain %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), + do_error("Group descriptor #%llu has bad chain %u", + (unsigned long long)bh->b_blocknr, le16_to_cpu(gd->bg_chain)); return -EINVAL; } if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { - do_error("Group descriptor # %llu has bit count %u but " + do_error("Group descriptor #%llu has bit count %u but " "claims that %u are free", - (unsigned long long)le64_to_cpu(gd->bg_blkno), + (unsigned long long)bh->b_blocknr, le16_to_cpu(gd->bg_bits), le16_to_cpu(gd->bg_free_bits_count)); return -EINVAL; } if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { - do_error("Group descriptor # %llu has bit count %u but " + do_error("Group descriptor #%llu has bit count %u but " "max bitmap bits of %u", - (unsigned long long)le64_to_cpu(gd->bg_blkno), + (unsigned long long)bh->b_blocknr, le16_to_cpu(gd->bg_bits), 8 * le16_to_cpu(gd->bg_size)); return -EINVAL; @@ -215,6 +231,30 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, return 0; } +int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, + u64 gd_blkno, struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, gd_blkno, &tmp); + if (rc) + goto out; + + rc = ocfs2_validate_group_descriptor(inode->i_sb, di, tmp, 0); + if (rc) { + brelse(tmp); + goto out; + } + + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc; +} + static int ocfs2_block_group_fill(handle_t *handle, struct inode *alloc_inode, struct buffer_head *bg_bh, @@ -1177,21 +1217,17 @@ static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac, u16 found; struct buffer_head *group_bh = NULL; struct ocfs2_group_desc *gd; + struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data; struct inode *alloc_inode = ac->ac_inode; - ret = ocfs2_read_block(alloc_inode, gd_blkno, &group_bh); + ret = ocfs2_read_group_descriptor(alloc_inode, di, gd_blkno, + &group_bh); if (ret < 0) { mlog_errno(ret); return ret; } gd = (struct ocfs2_group_desc *) group_bh->b_data; - if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, gd); - ret = -EIO; - goto out; - } - ret = ac->ac_group_search(alloc_inode, group_bh, bits_wanted, min_bits, ac->ac_max_block, bit_off, &found); if (ret < 0) { @@ -1248,19 +1284,14 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, bits_wanted, chain, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno); - status = ocfs2_read_block(alloc_inode, - le64_to_cpu(cl->cl_recs[chain].c_blkno), - &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, + le64_to_cpu(cl->cl_recs[chain].c_blkno), + &group_bh); if (status < 0) { mlog_errno(status); goto bail; } bg = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg); - if (status) { - mlog_errno(status); - goto bail; - } status = -ENOSPC; /* for now, the chain search is a bit simplistic. We just use @@ -1278,18 +1309,13 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, next_group = le64_to_cpu(bg->bg_next_group); prev_group_bh = group_bh; group_bh = NULL; - status = ocfs2_read_block(alloc_inode, - next_group, &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, + next_group, &group_bh); if (status < 0) { mlog_errno(status); goto bail; } bg = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, bg); - if (status) { - mlog_errno(status); - goto bail; - } } if (status < 0) { if (status != -ENOSPC) @@ -1801,18 +1827,14 @@ int ocfs2_free_suballoc_bits(handle_t *handle, (unsigned long long)OCFS2_I(alloc_inode)->ip_blkno, count, (unsigned long long)bg_blkno, start_bit); - status = ocfs2_read_block(alloc_inode, bg_blkno, &group_bh); + status = ocfs2_read_group_descriptor(alloc_inode, fe, bg_blkno, + &group_bh); if (status < 0) { mlog_errno(status); goto bail; } - group = (struct ocfs2_group_desc *) group_bh->b_data; - status = ocfs2_check_group_descriptor(alloc_inode->i_sb, fe, group); - if (status) { - mlog_errno(status); - goto bail; - } + BUG_ON((count + start_bit) > le16_to_cpu(group->bg_bits)); status = ocfs2_block_group_clear_bits(handle, alloc_inode, diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 7adfcc4..43de4fd 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -164,23 +164,24 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); * and return that block offset. */ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); -/* somewhat more expensive than our other checks, so use sparingly. */ /* * By default, ocfs2_validate_group_descriptor() calls ocfs2_error() when it * finds a problem. A caller that wants to check a group descriptor * without going readonly passes a nonzero clean_error. This is only - * resize, really. + * resize, really. Everyone else should be using + * ocfs2_read_group_descriptor(). */ int ocfs2_validate_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd, + struct buffer_head *bh, int clean_error); -static inline int ocfs2_check_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct ocfs2_group_desc *gd) -{ - return ocfs2_validate_group_descriptor(sb, di, gd, 0); -} +/* + * Read a group descriptor block into *bh. If *bh is NULL, a bh will be + * allocated. This is a cached read. The descriptor will be validated with + * ocfs2_validate_group_descriptor(). + */ +int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, + u64 gd_blkno, struct buffer_head **bh); int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, -- cgit v0.10.2 From 4203530613280281868b3ca36c817530bca3825c Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:15 -0800 Subject: ocfs2: Morph the haphazard OCFS2_IS_VALID_GROUP_DESC() checks. Random places in the code would check a group descriptor bh to see if it was valid. The previous commit unified descriptor block reads, validating all block reads in the same place. Thus, these checks are no longer necessary. Rather than eliminate them, however, we change them to BUG_ON() checks. This ensures the assumptions remain true. All of the code paths to these checks have been audited to ensure they come from a validated descriptor read. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 467bdb6..82ba887 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -458,13 +458,6 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_GROUP_DESC(ptr) \ (!strcmp((ptr)->bg_signature, OCFS2_GROUP_DESC_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_GROUP_DESC(__sb, __gd) do { \ - typeof(__gd) ____gd = (__gd); \ - ocfs2_error((__sb), \ - "Group Descriptor # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____gd)->bg_blkno), 7, \ - (____gd)->bg_signature); \ -} while (0) #define OCFS2_IS_VALID_XATTR_BLOCK(ptr) \ (!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE)) diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 797f509..766a00b 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -842,10 +842,9 @@ static int ocfs2_block_group_find_clear_bits(struct ocfs2_super *osb, int offset, start, found, status = 0; struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(osb->sb, bg); - return -EIO; - } + /* Callers got this descriptor from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); found = start = best_offset = best_size = 0; bitmap = bg->bg_bitmap; @@ -910,11 +909,9 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto bail; - } + /* All callers get the descriptor via + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); BUG_ON(le16_to_cpu(bg->bg_free_bits_count) < num_bits); mlog(0, "block_group_set_bits: off = %u, num = %u\n", bit_off, @@ -983,16 +980,10 @@ static int ocfs2_relink_block_group(handle_t *handle, struct ocfs2_group_desc *bg = (struct ocfs2_group_desc *) bg_bh->b_data; struct ocfs2_group_desc *prev_bg = (struct ocfs2_group_desc *) prev_bg_bh->b_data; - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto out; - } - if (!OCFS2_IS_VALID_GROUP_DESC(prev_bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, prev_bg); - status = -EIO; - goto out; - } + /* The caller got these descriptors from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(prev_bg)); mlog(0, "Suballoc %llu, chain %u, move group %llu to top, prev = %llu\n", (unsigned long long)le64_to_cpu(fe->i_blkno), chain, @@ -1055,7 +1046,7 @@ out_rollback: bg->bg_next_group = cpu_to_le64(bg_ptr); prev_bg->bg_next_group = cpu_to_le64(prev_bg_ptr); } -out: + mlog_exit(status); return status; } @@ -1758,11 +1749,9 @@ static inline int ocfs2_block_group_clear_bits(handle_t *handle, mlog_entry_void(); - if (!OCFS2_IS_VALID_GROUP_DESC(bg)) { - OCFS2_RO_ON_INVALID_GROUP_DESC(alloc_inode->i_sb, bg); - status = -EIO; - goto bail; - } + /* The caller got this descriptor from + * ocfs2_read_group_descriptor(). Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_GROUP_DESC(bg)); mlog(0, "off = %u, num = %u\n", bit_off, num_bits); -- cgit v0.10.2 From 5e96581a377fc6bd76e9b112da9aeb8a7ae8bf22 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:16 -0800 Subject: ocfs2: Wrap extent block reads in a dedicated function. We weren't consistently checking extent blocks after we read them. Most places checked the signature, but none checked h_blkno or h_fs_signature. Create a toplevel ocfs2_read_extent_block() that does the read and the validation. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 320545b..f430cc6 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -678,6 +678,66 @@ struct ocfs2_merge_ctxt { int c_split_covers_rec; }; +static int ocfs2_validate_extent_block(struct super_block *sb, + struct buffer_head *bh) +{ + struct ocfs2_extent_block *eb = + (struct ocfs2_extent_block *)bh->b_data; + + if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { + ocfs2_error(sb, + "Extent block #%llu has bad signature %.*s", + (unsigned long long)bh->b_blocknr, 7, + eb->h_signature); + return -EINVAL; + } + + if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) { + ocfs2_error(sb, + "Extent block #%llu has an invalid h_blkno " + "of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(eb->h_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(eb->h_fs_generation) != OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Extent block #%llu has an invalid " + "h_fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(eb->h_fs_generation)); + return -EINVAL; + } + + return 0; +} + +int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno, + struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, eb_blkno, &tmp); + if (rc) + goto out; + + rc = ocfs2_validate_extent_block(inode->i_sb, tmp); + if (rc) { + brelse(tmp); + goto out; + } + + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc; +} + + /* * How many free extents have we got before we need more meta data? */ @@ -697,8 +757,7 @@ int ocfs2_num_free_extents(struct ocfs2_super *osb, last_eb_blk = ocfs2_et_get_last_eb_blk(et); if (last_eb_blk) { - retval = ocfs2_read_block(inode, last_eb_blk, - &eb_bh); + retval = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh); if (retval < 0) { mlog_errno(retval); goto bail; @@ -900,11 +959,8 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, for(i = 0; i < new_blocks; i++) { bh = new_eb_bhs[i]; eb = (struct ocfs2_extent_block *) bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } + /* ocfs2_create_new_meta_bhs() should create it right! */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); eb_el = &eb->h_list; status = ocfs2_journal_access(handle, inode, bh, @@ -1044,11 +1100,8 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, } eb = (struct ocfs2_extent_block *) new_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } + /* ocfs2_create_new_meta_bhs() should create it right! */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); eb_el = &eb->h_list; root_el = et->et_root_el; @@ -1168,18 +1221,13 @@ static int ocfs2_find_branch_target(struct ocfs2_super *osb, brelse(bh); bh = NULL; - status = ocfs2_read_block(inode, blkno, &bh); + status = ocfs2_read_extent_block(inode, blkno, &bh); if (status < 0) { mlog_errno(status); goto bail; } eb = (struct ocfs2_extent_block *) bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - status = -EIO; - goto bail; - } el = &eb->h_list; if (le16_to_cpu(el->l_next_free_rec) < @@ -1532,7 +1580,7 @@ static int __ocfs2_find_path(struct inode *inode, brelse(bh); bh = NULL; - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_extent_block(inode, blkno, &bh); if (ret) { mlog_errno(ret); goto out; @@ -1540,11 +1588,6 @@ static int __ocfs2_find_path(struct inode *inode, eb = (struct ocfs2_extent_block *) bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EIO; - goto out; - } if (le16_to_cpu(el->l_next_free_rec) > le16_to_cpu(el->l_count)) { @@ -4089,8 +4132,15 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, le16_to_cpu(new_el->l_count)) { bh = path_leaf_bh(left_path); eb = (struct ocfs2_extent_block *)bh->b_data; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, - eb); + ocfs2_error(inode->i_sb, + "Extent block #%llu has an " + "invalid l_next_free_rec of " + "%d. It should have " + "matched the l_count of %d", + (unsigned long long)le64_to_cpu(eb->h_blkno), + le16_to_cpu(new_el->l_next_free_rec), + le16_to_cpu(new_el->l_count)); + status = -EINVAL; goto out; } rec = &new_el->l_recs[ @@ -4139,8 +4189,12 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, if (le16_to_cpu(new_el->l_next_free_rec) <= 1) { bh = path_leaf_bh(right_path); eb = (struct ocfs2_extent_block *)bh->b_data; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, - eb); + ocfs2_error(inode->i_sb, + "Extent block #%llu has an " + "invalid l_next_free_rec of %d", + (unsigned long long)le64_to_cpu(eb->h_blkno), + le16_to_cpu(new_el->l_next_free_rec)); + status = -EINVAL; goto out; } rec = &new_el->l_recs[1]; @@ -4286,7 +4340,9 @@ static int ocfs2_figure_insert_type(struct inode *inode, * ocfs2_figure_insert_type() and ocfs2_add_branch() * may want it later. */ - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), &bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &bh); if (ret) { mlog_exit(ret); goto out; @@ -4752,20 +4808,15 @@ static int __ocfs2_mark_extent_written(struct inode *inode, if (path->p_tree_depth) { struct ocfs2_extent_block *eb; - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret) { mlog_exit(ret); goto out; } eb = (struct ocfs2_extent_block *) last_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EROFS; - goto out; - } - rightmost_el = &eb->h_list; } else rightmost_el = path_root_el(path); @@ -4910,8 +4961,9 @@ static int ocfs2_split_tree(struct inode *inode, struct ocfs2_extent_tree *et, depth = path->p_tree_depth; if (depth > 0) { - ret = ocfs2_read_block(inode, ocfs2_et_get_last_eb_blk(et), - &last_eb_bh); + ret = ocfs2_read_extent_block(inode, + ocfs2_et_get_last_eb_blk(et), + &last_eb_bh); if (ret < 0) { mlog_errno(ret); goto out; @@ -6231,11 +6283,10 @@ static int ocfs2_find_new_last_ext_blk(struct inode *inode, eb = (struct ocfs2_extent_block *) bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - ret = -EROFS; - goto out; - } + + /* ocfs2_find_leaf() gets the eb from ocfs2_read_extent_block(). + * Any corruption is a code bug. */ + BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); *new_last_eb = bh; get_bh(*new_last_eb); @@ -7140,20 +7191,14 @@ int ocfs2_prepare_truncate(struct ocfs2_super *osb, ocfs2_init_dealloc_ctxt(&(*tc)->tc_dealloc); if (fe->id2.i_list.l_tree_depth) { - status = ocfs2_read_block(inode, le64_to_cpu(fe->i_last_eb_blk), - &last_eb_bh); + status = ocfs2_read_extent_block(inode, + le64_to_cpu(fe->i_last_eb_blk), + &last_eb_bh); if (status < 0) { mlog_errno(status); goto bail; } eb = (struct ocfs2_extent_block *) last_eb_bh->b_data; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - - brelse(last_eb_bh); - status = -EIO; - goto bail; - } } (*tc)->tc_last_eb_bh = last_eb_bh; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 0fbf8fc..59d37d1 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -73,6 +73,14 @@ void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct buffer_head *bh, struct ocfs2_xattr_value_root *xv); +/* + * Read an extent block into *bh. If *bh is NULL, a bh will be + * allocated. This is a cached read. The extent block will be validated + * with ocfs2_validate_extent_block(). + */ +int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno, + struct buffer_head **bh); + struct ocfs2_alloc_context; int ocfs2_insert_extent(struct ocfs2_super *osb, handle_t *handle, diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index b686b31..0bd9d96 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -293,7 +293,7 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, struct ocfs2_extent_block *eb; struct ocfs2_extent_list *el; - ret = ocfs2_read_block(inode, last_eb_blk, &eb_bh); + ret = ocfs2_read_extent_block(inode, last_eb_blk, &eb_bh); if (ret) { mlog_errno(ret); goto out; @@ -302,12 +302,6 @@ static int ocfs2_last_eb_is_empty(struct inode *inode, eb = (struct ocfs2_extent_block *) eb_bh->b_data; el = &eb->h_list; - if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { - ret = -EROFS; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, eb); - goto out; - } - if (el->l_tree_depth) { ocfs2_error(inode->i_sb, "Inode %lu has non zero tree depth in " @@ -381,23 +375,16 @@ static int ocfs2_figure_hole_clusters(struct inode *inode, if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) goto no_more_extents; - ret = ocfs2_read_block(inode, - le64_to_cpu(eb->h_next_leaf_blk), - &next_eb_bh); + ret = ocfs2_read_extent_block(inode, + le64_to_cpu(eb->h_next_leaf_blk), + &next_eb_bh); if (ret) { mlog_errno(ret); goto out; } - next_eb = (struct ocfs2_extent_block *)next_eb_bh->b_data; - - if (!OCFS2_IS_VALID_EXTENT_BLOCK(next_eb)) { - ret = -EROFS; - OCFS2_RO_ON_INVALID_EXTENT_BLOCK(inode->i_sb, next_eb); - goto out; - } + next_eb = (struct ocfs2_extent_block *)next_eb_bh->b_data; el = &next_eb->h_list; - i = ocfs2_search_for_hole_index(el, v_cluster); } diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 82ba887..f04b229 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -447,14 +447,6 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_EXTENT_BLOCK(ptr) \ (!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE)) -#define OCFS2_RO_ON_INVALID_EXTENT_BLOCK(__sb, __eb) do { \ - typeof(__eb) ____eb = (__eb); \ - ocfs2_error((__sb), \ - "Extent Block # %llu has bad signature %.*s", \ - (unsigned long long)le64_to_cpu((____eb)->h_blkno), 7, \ - (____eb)->h_signature); \ -} while (0) - #define OCFS2_IS_VALID_GROUP_DESC(ptr) \ (!strcmp((ptr)->bg_signature, OCFS2_GROUP_DESC_SIGNATURE)) -- cgit v0.10.2 From a22305cc693254a2aa651e797875669112ef8635 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:17 -0800 Subject: ocfs2: Wrap dirblock reads in a dedicated function. We have ocfs2_bread() as a vestige of the original ext-based dir code. It's only used by directories, though. Turn it into ocfs2_read_dir_block(), with a prototype matching the other metadata read functions. It's set up to validate dirblocks when the time comes. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 5777045..c2f3fd9 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -82,49 +82,6 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct ocfs2_alloc_context *meta_ac, struct buffer_head **new_bh); -static struct buffer_head *ocfs2_bread(struct inode *inode, - int block, int *err, int reada) -{ - struct buffer_head *bh = NULL; - int tmperr; - u64 p_blkno; - int readflags = 0; - - if (reada) - readflags |= OCFS2_BH_READAHEAD; - - if (((u64)block << inode->i_sb->s_blocksize_bits) >= - i_size_read(inode)) { - BUG_ON(!reada); - return NULL; - } - - down_read(&OCFS2_I(inode)->ip_alloc_sem); - tmperr = ocfs2_extent_map_get_blocks(inode, block, &p_blkno, NULL, - NULL); - up_read(&OCFS2_I(inode)->ip_alloc_sem); - if (tmperr < 0) { - mlog_errno(tmperr); - goto fail; - } - - tmperr = ocfs2_read_blocks(inode, p_blkno, 1, &bh, readflags); - if (tmperr < 0) - goto fail; - - tmperr = 0; - - *err = 0; - return bh; - -fail: - brelse(bh); - bh = NULL; - - *err = -EIO; - return NULL; -} - /* * bh passed here can be an inode block or a dir data block, depending * on the inode inline data flag. @@ -250,6 +207,76 @@ out: return NULL; } +static int ocfs2_validate_dir_block(struct super_block *sb, + struct buffer_head *bh) +{ + /* + * Nothing yet. We don't validate dirents here, that's handled + * in-place when the code walks them. + */ + + return 0; +} + +/* + * This function forces all errors to -EIO for consistency with its + * predecessor, ocfs2_bread(). We haven't audited what returning the + * real error codes would do to callers. We log the real codes with + * mlog_errno() before we squash them. + */ +static int ocfs2_read_dir_block(struct inode *inode, u64 v_block, + struct buffer_head **bh, int flags) +{ + int rc = 0; + struct buffer_head *tmp = *bh; + u64 p_blkno; + + if (((u64)v_block << inode->i_sb->s_blocksize_bits) >= + i_size_read(inode)) { + BUG_ON(!(flags & OCFS2_BH_READAHEAD)); + goto out; + } + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + rc = ocfs2_extent_map_get_blocks(inode, v_block, &p_blkno, NULL, + NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (rc) { + mlog_errno(rc); + goto out; + } + + if (!p_blkno) { + rc = -EIO; + mlog(ML_ERROR, + "Directory #%llu contains a hole at offset %llu\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)v_block << inode->i_sb->s_blocksize_bits); + goto out; + } + + rc = ocfs2_read_blocks(inode, p_blkno, 1, &tmp, flags); + if (rc) { + mlog_errno(rc); + goto out; + } + + if (!(flags & OCFS2_BH_READAHEAD)) { + rc = ocfs2_validate_dir_block(inode->i_sb, tmp); + if (rc) { + brelse(tmp); + goto out; + } + } + + /* If ocfs2_read_blocks() got us a new bh, pass it up. */ + if (!*bh) + *bh = tmp; + +out: + return rc ? -EIO : 0; +} + static struct buffer_head *ocfs2_find_entry_el(const char *name, int namelen, struct inode *dir, struct ocfs2_dir_entry **res_dir) @@ -296,15 +323,17 @@ restart: } num++; - bh = ocfs2_bread(dir, b++, &err, 1); + bh = NULL; + err = ocfs2_read_dir_block(dir, b++, &bh, + OCFS2_BH_READAHEAD); bh_use[ra_max] = bh; } } if ((bh = bh_use[ra_ptr++]) == NULL) goto next; - if (ocfs2_read_block(dir, block, &bh)) { + if (ocfs2_read_dir_block(dir, block, &bh, 0)) { /* read error, skip block & hope for the best. - * ocfs2_read_block() has released the bh. */ + * ocfs2_read_dir_block() has released the bh. */ ocfs2_error(dir->i_sb, "reading directory %llu, " "offset %lu\n", (unsigned long long)OCFS2_I(dir)->ip_blkno, @@ -724,7 +753,6 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, int i, stored; struct buffer_head * bh, * tmp; struct ocfs2_dir_entry * de; - int err; struct super_block * sb = inode->i_sb; unsigned int ra_sectors = 16; @@ -735,12 +763,8 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, while (!error && !stored && *f_pos < i_size_read(inode)) { blk = (*f_pos) >> sb->s_blocksize_bits; - bh = ocfs2_bread(inode, blk, &err, 0); - if (!bh) { - mlog(ML_ERROR, - "directory #%llu contains a hole at offset %lld\n", - (unsigned long long)OCFS2_I(inode)->ip_blkno, - *f_pos); + if (ocfs2_read_dir_block(inode, blk, &bh, 0)) { + /* Skip the corrupt dirblock and keep trying */ *f_pos += sb->s_blocksize - offset; continue; } @@ -754,8 +778,10 @@ static int ocfs2_dir_foreach_blk_el(struct inode *inode, || (((last_ra_blk - blk) << 9) <= (ra_sectors / 2))) { for (i = ra_sectors >> (sb->s_blocksize_bits - 9); i > 0; i--) { - tmp = ocfs2_bread(inode, ++blk, &err, 1); - brelse(tmp); + tmp = NULL; + if (!ocfs2_read_dir_block(inode, ++blk, &tmp, + OCFS2_BH_READAHEAD)) + brelse(tmp); } last_ra_blk = blk; ra_sectors = 8; @@ -828,6 +854,7 @@ revalidate: } offset = 0; brelse(bh); + bh = NULL; } stored = 0; @@ -1680,8 +1707,8 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, struct super_block *sb = dir->i_sb; int status; - bh = ocfs2_bread(dir, 0, &status, 0); - if (!bh) { + status = ocfs2_read_dir_block(dir, 0, &bh, 0); + if (status) { mlog_errno(status); goto bail; } @@ -1702,11 +1729,10 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = -ENOSPC; goto bail; } - bh = ocfs2_bread(dir, - offset >> sb->s_blocksize_bits, - &status, - 0); - if (!bh) { + status = ocfs2_read_dir_block(dir, + offset >> sb->s_blocksize_bits, + &bh, 0); + if (status) { mlog_errno(status); goto bail; } -- cgit v0.10.2 From 4ae1d69bedc8d174cb8a558694607e013157cde1 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:18 -0800 Subject: ocfs2: Wrap xattr block reads in a dedicated function We weren't consistently checking xattr blocks after we read them. Most places checked the signature, but none checked xb_blkno or xb_fs_signature. Create a toplevel ocfs2_read_xattr_block() that does the read and the validation. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3cc8385..ef4aa54 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -314,6 +314,65 @@ static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest, } } +static int ocfs2_validate_xattr_block(struct super_block *sb, + struct buffer_head *bh) +{ + struct ocfs2_xattr_block *xb = + (struct ocfs2_xattr_block *)bh->b_data; + + mlog(0, "Validating xattr block %llu\n", + (unsigned long long)bh->b_blocknr); + + if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { + ocfs2_error(sb, + "Extended attribute block #%llu has bad " + "signature %.*s", + (unsigned long long)bh->b_blocknr, 7, + xb->xb_signature); + return -EINVAL; + } + + if (le64_to_cpu(xb->xb_blkno) != bh->b_blocknr) { + ocfs2_error(sb, + "Extended attribute block #%llu has an " + "invalid xb_blkno of %llu", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(xb->xb_blkno)); + return -EINVAL; + } + + if (le32_to_cpu(xb->xb_fs_generation) != OCFS2_SB(sb)->fs_generation) { + ocfs2_error(sb, + "Extended attribute block #%llu has an invalid " + "xb_fs_generation of #%u", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(xb->xb_fs_generation)); + return -EINVAL; + } + + return 0; +} + +static int ocfs2_read_xattr_block(struct inode *inode, u64 xb_blkno, + struct buffer_head **bh) +{ + int rc; + struct buffer_head *tmp = *bh; + + rc = ocfs2_read_block(inode, xb_blkno, &tmp); + if (!rc) { + rc = ocfs2_validate_xattr_block(inode->i_sb, tmp); + if (rc) + brelse(tmp); + } + + /* If ocfs2_read_block() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; + + return rc; +} + static inline const char *ocfs2_xattr_prefix(int name_index) { struct xattr_handler *handler = NULL; @@ -739,18 +798,14 @@ static int ocfs2_xattr_block_list(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); + ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc), + &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; } xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto cleanup; - } - if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { struct ocfs2_xattr_header *header = &xb->xb_attrs.xb_header; ret = ocfs2_xattr_list_entries(inode, header, @@ -760,7 +815,7 @@ static int ocfs2_xattr_block_list(struct inode *inode, ret = ocfs2_xattr_tree_list_index_block(inode, xt, buffer, buffer_size); } -cleanup: + brelse(blk_bh); return ret; @@ -1693,24 +1748,19 @@ static int ocfs2_xattr_free_block(struct inode *inode, u64 blk, bg_blkno; u16 bit; - ret = ocfs2_read_block(inode, block, &blk_bh); + ret = ocfs2_read_xattr_block(inode, block, &blk_bh); if (ret < 0) { mlog_errno(ret); goto out; } - xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto out; - } - ret = ocfs2_xattr_block_remove(inode, blk_bh); if (ret < 0) { mlog_errno(ret); goto out; } + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; blk = le64_to_cpu(xb->xb_blkno); bit = le16_to_cpu(xb->xb_suballoc_bit); bg_blkno = ocfs2_which_suballoc_group(blk, bit); @@ -1950,19 +2000,15 @@ static int ocfs2_xattr_block_find(struct inode *inode, if (!di->i_xattr_loc) return ret; - ret = ocfs2_read_block(inode, le64_to_cpu(di->i_xattr_loc), &blk_bh); + ret = ocfs2_read_xattr_block(inode, le64_to_cpu(di->i_xattr_loc), + &blk_bh); if (ret < 0) { mlog_errno(ret); return ret; } - xb = (struct ocfs2_xattr_block *)blk_bh->b_data; - if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { - ret = -EIO; - goto cleanup; - } - xs->xattr_bh = blk_bh; + xb = (struct ocfs2_xattr_block *)blk_bh->b_data; if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { xs->header = &xb->xb_attrs.xb_header; @@ -2259,9 +2305,9 @@ meta_guess: /* calculate metadata allocation. */ if (di->i_xattr_loc) { if (!xbs->xattr_bh) { - ret = ocfs2_read_block(inode, - le64_to_cpu(di->i_xattr_loc), - &bh); + ret = ocfs2_read_xattr_block(inode, + le64_to_cpu(di->i_xattr_loc), + &bh); if (ret) { mlog_errno(ret); goto out; -- cgit v0.10.2 From 970e4936d7d15f35d00fd15a14f5343ba78b2fc8 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:19 -0800 Subject: ocfs2: Validate metadata only when it's read from disk. Add an optional validation hook to ocfs2_read_blocks(). Now the validation function is only called when a block was actually read off of disk. It is not called when the buffer was in cache. We add a buffer state bit BH_NeedsValidate to flag these buffers. It must always be one higher than the last JBD2 buffer state bit. The dinode, dirblock, extent_block, and xattr_block validators are lifted to this scheme directly. The group_descriptor validator needs to be split into two pieces. The first part only needs the gd buffer and is passed to ocfs2_read_block(). The second part requires the dinode as well, and is called every time. It's only 3 compares, so it's tiny. This also allows us to clean up the non-fatal gd check used by resize.c. It now has no magic argument. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index f430cc6..e823a27 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -684,6 +684,9 @@ static int ocfs2_validate_extent_block(struct super_block *sb, struct ocfs2_extent_block *eb = (struct ocfs2_extent_block *)bh->b_data; + mlog(0, "Validating extent block %llu\n", + (unsigned long long)bh->b_blocknr); + if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { ocfs2_error(sb, "Extent block #%llu has bad signature %.*s", @@ -719,21 +722,13 @@ int ocfs2_read_extent_block(struct inode *inode, u64 eb_blkno, int rc; struct buffer_head *tmp = *bh; - rc = ocfs2_read_block(inode, eb_blkno, &tmp); - if (rc) - goto out; - - rc = ocfs2_validate_extent_block(inode->i_sb, tmp); - if (rc) { - brelse(tmp); - goto out; - } + rc = ocfs2_read_block(inode, eb_blkno, &tmp, + ocfs2_validate_extent_block); /* If ocfs2_read_block() got us a new bh, pass it up. */ - if (!*bh) + if (!rc && !*bh) *bh = tmp; -out: return rc; } diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index 3a178ec..0e9eed0 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -39,6 +39,19 @@ #include "buffer_head_io.h" +/* + * Bits on bh->b_state used by ocfs2. + * + * These MUST be after the JBD2 bits. Currently BH_Unshadow is the last + * JBD2 bit. + */ +enum ocfs2_state_bits { + BH_NeedsValidate = BH_Unshadow + 1, +}; + +/* Expand the magic b_state functions */ +BUFFER_FNS(NeedsValidate, needs_validate); + int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, struct inode *inode) { @@ -166,7 +179,9 @@ bail: } int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, - struct buffer_head *bhs[], int flags) + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) { int status = 0; int i, ignore_cache = 0; @@ -298,6 +313,8 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, clear_buffer_uptodate(bh); get_bh(bh); /* for end_buffer_read_sync() */ + if (validate) + set_buffer_needs_validate(bh); bh->b_end_io = end_buffer_read_sync; submit_bh(READ, bh); continue; @@ -328,6 +345,20 @@ int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, bhs[i] = NULL; continue; } + + if (buffer_needs_validate(bh)) { + /* We never set NeedsValidate if the + * buffer was held by the journal, so + * that better not have changed */ + BUG_ON(buffer_jbd(bh)); + clear_buffer_needs_validate(bh); + status = validate(inode->i_sb, bh); + if (status) { + put_bh(bh); + bhs[i] = NULL; + continue; + } + } } /* Always set the buffer in the cache, even if it was diff --git a/fs/ocfs2/buffer_head_io.h b/fs/ocfs2/buffer_head_io.h index 75e1dcb..c75d682 100644 --- a/fs/ocfs2/buffer_head_io.h +++ b/fs/ocfs2/buffer_head_io.h @@ -31,21 +31,24 @@ void ocfs2_end_buffer_io_sync(struct buffer_head *bh, int uptodate); -static inline int ocfs2_read_block(struct inode *inode, - u64 off, - struct buffer_head **bh); - int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh, struct inode *inode); -int ocfs2_read_blocks(struct inode *inode, - u64 block, - int nr, - struct buffer_head *bhs[], - int flags); int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, unsigned int nr, struct buffer_head *bhs[]); +/* + * If not NULL, validate() will be called on a buffer that is freshly + * read from disk. It will not be called if the buffer was in cache. + * Note that if validate() is being used for this buffer, it needs to + * be set even for a READAHEAD call, as it marks the buffer for later + * validation. + */ +int ocfs2_read_blocks(struct inode *inode, u64 block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)); + int ocfs2_write_super_or_backup(struct ocfs2_super *osb, struct buffer_head *bh); @@ -53,7 +56,9 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb, #define OCFS2_BH_READAHEAD 8 static inline int ocfs2_read_block(struct inode *inode, u64 off, - struct buffer_head **bh) + struct buffer_head **bh, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) { int status = 0; @@ -63,7 +68,7 @@ static inline int ocfs2_read_block(struct inode *inode, u64 off, goto bail; } - status = ocfs2_read_blocks(inode, off, 1, bh, 0); + status = ocfs2_read_blocks(inode, off, 1, bh, 0, validate); bail: return status; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index c2f3fd9..7e863d4 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -214,6 +214,8 @@ static int ocfs2_validate_dir_block(struct super_block *sb, * Nothing yet. We don't validate dirents here, that's handled * in-place when the code walks them. */ + mlog(0, "Validating dirblock %llu\n", + (unsigned long long)bh->b_blocknr); return 0; } @@ -255,20 +257,13 @@ static int ocfs2_read_dir_block(struct inode *inode, u64 v_block, goto out; } - rc = ocfs2_read_blocks(inode, p_blkno, 1, &tmp, flags); + rc = ocfs2_read_blocks(inode, p_blkno, 1, &tmp, flags, + ocfs2_validate_dir_block); if (rc) { mlog_errno(rc); goto out; } - if (!(flags & OCFS2_BH_READAHEAD)) { - rc = ocfs2_validate_dir_block(inode->i_sb, tmp); - if (rc) { - brelse(tmp); - goto out; - } - } - /* If ocfs2_read_blocks() got us a new bh, pass it up. */ if (!*bh) *bh = tmp; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 9eb701b8..ec3497b 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1255,6 +1255,9 @@ int ocfs2_validate_inode_block(struct super_block *sb, int rc = -EINVAL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; + mlog(0, "Validating dinode %llu\n", + (unsigned long long)bh->b_blocknr); + BUG_ON(!buffer_uptodate(bh)); if (!OCFS2_IS_VALID_DINODE(di)) { @@ -1300,23 +1303,12 @@ int ocfs2_read_inode_block_full(struct inode *inode, struct buffer_head **bh, struct buffer_head *tmp = *bh; rc = ocfs2_read_blocks(inode, OCFS2_I(inode)->ip_blkno, 1, &tmp, - flags); - if (rc) - goto out; - - if (!(flags & OCFS2_BH_READAHEAD)) { - rc = ocfs2_validate_inode_block(inode->i_sb, tmp); - if (rc) { - brelse(tmp); - goto out; - } - } + flags, ocfs2_validate_inode_block); /* If ocfs2_read_blocks() got us a new bh, pass it up. */ - if (!*bh) + if (!rc && !*bh) *bh = tmp; -out: return rc; } diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 252baff..867de3e 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -394,7 +394,7 @@ static int ocfs2_check_new_group(struct inode *inode, (struct ocfs2_group_desc *)group_bh->b_data; u16 cl_bpc = le16_to_cpu(di->id2.i_chain.cl_bpc); - ret = ocfs2_validate_group_descriptor(inode->i_sb, di, group_bh, 1); + ret = ocfs2_check_group_descriptor(inode->i_sb, di, group_bh); if (ret) goto out; diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c index bdda2d8..40661e7 100644 --- a/fs/ocfs2/slot_map.c +++ b/fs/ocfs2/slot_map.c @@ -151,7 +151,7 @@ int ocfs2_refresh_slot_info(struct ocfs2_super *osb) * this is not true, the read of -1 (UINT64_MAX) will fail. */ ret = ocfs2_read_blocks(si->si_inode, -1, si->si_blocks, si->si_bh, - OCFS2_BH_IGNORE_CACHE); + OCFS2_BH_IGNORE_CACHE, NULL); if (ret == 0) { spin_lock(&osb->osb_lock); ocfs2_update_slot_info(si); @@ -405,7 +405,7 @@ static int ocfs2_map_slot_buffers(struct ocfs2_super *osb, bh = NULL; /* Acquire a fresh bh */ status = ocfs2_read_blocks(si->si_inode, blkno, 1, &bh, - OCFS2_BH_IGNORE_CACHE); + OCFS2_BH_IGNORE_CACHE, NULL); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 766a00b..226fe21 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -145,14 +145,6 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) return (u32)le16_to_cpu(cl->cl_cpg) * (u32)le16_to_cpu(cl->cl_bpc); } -int ocfs2_validate_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct buffer_head *bh, - int clean_error) -{ - unsigned int max_bits; - struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; - #define do_error(fmt, ...) \ do{ \ if (clean_error) \ @@ -161,6 +153,12 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, ocfs2_error(sb, fmt, ##__VA_ARGS__); \ } while (0) +static int ocfs2_validate_gd_self(struct super_block *sb, + struct buffer_head *bh, + int clean_error) +{ + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + if (!OCFS2_IS_VALID_GROUP_DESC(gd)) { do_error("Group descriptor #%llu has bad signature %.*s", (unsigned long long)bh->b_blocknr, 7, @@ -184,6 +182,35 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, return -EINVAL; } + if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { + do_error("Group descriptor #%llu has bit count %u but " + "claims that %u are free", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_bits), + le16_to_cpu(gd->bg_free_bits_count)); + return -EINVAL; + } + + if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { + do_error("Group descriptor #%llu has bit count %u but " + "max bitmap bits of %u", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(gd->bg_bits), + 8 * le16_to_cpu(gd->bg_size)); + return -EINVAL; + } + + return 0; +} + +static int ocfs2_validate_gd_parent(struct super_block *sb, + struct ocfs2_dinode *di, + struct buffer_head *bh, + int clean_error) +{ + unsigned int max_bits; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + if (di->i_blkno != gd->bg_parent_dinode) { do_error("Group descriptor #%llu has bad parent " "pointer (%llu, expected %llu)", @@ -209,26 +236,35 @@ int ocfs2_validate_group_descriptor(struct super_block *sb, return -EINVAL; } - if (le16_to_cpu(gd->bg_free_bits_count) > le16_to_cpu(gd->bg_bits)) { - do_error("Group descriptor #%llu has bit count %u but " - "claims that %u are free", - (unsigned long long)bh->b_blocknr, - le16_to_cpu(gd->bg_bits), - le16_to_cpu(gd->bg_free_bits_count)); - return -EINVAL; - } + return 0; +} - if (le16_to_cpu(gd->bg_bits) > (8 * le16_to_cpu(gd->bg_size))) { - do_error("Group descriptor #%llu has bit count %u but " - "max bitmap bits of %u", - (unsigned long long)bh->b_blocknr, - le16_to_cpu(gd->bg_bits), - 8 * le16_to_cpu(gd->bg_size)); - return -EINVAL; - } #undef do_error - return 0; +/* + * This version only prints errors. It does not fail the filesystem, and + * exists only for resize. + */ +int ocfs2_check_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct buffer_head *bh) +{ + int rc; + + rc = ocfs2_validate_gd_self(sb, bh, 1); + if (!rc) + rc = ocfs2_validate_gd_parent(sb, di, bh, 1); + + return rc; +} + +static int ocfs2_validate_group_descriptor(struct super_block *sb, + struct buffer_head *bh) +{ + mlog(0, "Validating group descriptor %llu\n", + (unsigned long long)bh->b_blocknr); + + return ocfs2_validate_gd_self(sb, bh, 0); } int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, @@ -237,11 +273,12 @@ int ocfs2_read_group_descriptor(struct inode *inode, struct ocfs2_dinode *di, int rc; struct buffer_head *tmp = *bh; - rc = ocfs2_read_block(inode, gd_blkno, &tmp); + rc = ocfs2_read_block(inode, gd_blkno, &tmp, + ocfs2_validate_group_descriptor); if (rc) goto out; - rc = ocfs2_validate_group_descriptor(inode->i_sb, di, tmp, 0); + rc = ocfs2_validate_gd_parent(inode->i_sb, di, tmp, 0); if (rc) { brelse(tmp); goto out; diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 43de4fd..e3c13c7 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -165,16 +165,15 @@ void ocfs2_free_ac_resource(struct ocfs2_alloc_context *ac); u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); /* - * By default, ocfs2_validate_group_descriptor() calls ocfs2_error() when it + * By default, ocfs2_read_group_descriptor() calls ocfs2_error() when it * finds a problem. A caller that wants to check a group descriptor - * without going readonly passes a nonzero clean_error. This is only - * resize, really. Everyone else should be using - * ocfs2_read_group_descriptor(). + * without going readonly should read the block with ocfs2_read_block[s]() + * and then checking it with this function. This is only resize, really. + * Everyone else should be using ocfs2_read_group_descriptor(). */ -int ocfs2_validate_group_descriptor(struct super_block *sb, - struct ocfs2_dinode *di, - struct buffer_head *bh, - int clean_error); +int ocfs2_check_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct buffer_head *bh); /* * Read a group descriptor block into *bh. If *bh is NULL, a bh will be * allocated. This is a cached read. The descriptor will be validated with diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index ef4aa54..8af29b3 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -266,7 +266,8 @@ static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket, int rc; rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno, - bucket->bu_blocks, bucket->bu_bhs, 0); + bucket->bu_blocks, bucket->bu_bhs, 0, + NULL); if (rc) ocfs2_xattr_bucket_relse(bucket); return rc; @@ -359,12 +360,8 @@ static int ocfs2_read_xattr_block(struct inode *inode, u64 xb_blkno, int rc; struct buffer_head *tmp = *bh; - rc = ocfs2_read_block(inode, xb_blkno, &tmp); - if (!rc) { - rc = ocfs2_validate_xattr_block(inode->i_sb, tmp); - if (rc) - brelse(tmp); - } + rc = ocfs2_read_block(inode, xb_blkno, &tmp, + ocfs2_validate_xattr_block); /* If ocfs2_read_block() got us a new bh, pass it up. */ if (!rc && !*bh) @@ -925,7 +922,7 @@ static int ocfs2_xattr_get_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); /* Copy ocfs2_xattr_value */ for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_block(inode, blkno, &bh, NULL); if (ret) { mlog_errno(ret); goto out; @@ -1174,7 +1171,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster); for (i = 0; i < num_clusters * bpc; i++, blkno++) { - ret = ocfs2_read_block(inode, blkno, &bh); + ret = ocfs2_read_block(inode, blkno, &bh, NULL); if (ret) { mlog_errno(ret); goto out; @@ -2206,7 +2203,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, base = xis->base; credits += OCFS2_INODE_UPDATE_CREDITS; } else { - int i, block_off; + int i, block_off = 0; xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; xe = xbs->here; name_offset = le16_to_cpu(xe->xe_name_offset); @@ -2840,6 +2837,7 @@ static int ocfs2_find_xe_in_bucket(struct inode *inode, break; } + xe_name = bucket_block(bucket, block_off) + new_offset; if (!memcmp(name, xe_name, name_len)) { *xe_index = i; @@ -3598,7 +3596,7 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, prev_blkno, &old_bh); + ret = ocfs2_read_block(inode, prev_blkno, &old_bh, NULL); if (ret < 0) { mlog_errno(ret); brelse(new_bh); @@ -3990,7 +3988,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, ocfs2_journal_dirty(handle, first_bh); /* update the new bucket header. */ - ret = ocfs2_read_block(inode, to_blk_start, &bh); + ret = ocfs2_read_block(inode, to_blk_start, &bh, NULL); if (ret < 0) { mlog_errno(ret); goto out; @@ -4337,7 +4335,7 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, p_blkno, &first_bh); + ret = ocfs2_read_block(inode, p_blkno, &first_bh, NULL); if (ret) { mlog_errno(ret); goto out; @@ -4635,7 +4633,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); value_blk += header_bh->b_blocknr; - ret = ocfs2_read_block(inode, value_blk, &value_bh); + ret = ocfs2_read_block(inode, value_blk, &value_bh, NULL); if (ret) { mlog_errno(ret); goto out; -- cgit v0.10.2 From a8549fb5abb2b372e46d5de0d23ff8b24f4a61af Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:20 -0800 Subject: ocfs2: Wrap virtual block reads in ocfs2_read_virt_blocks() The ocfs2_read_dir_block() function really maps an inode's virtual blocks to physical ones before calling ocfs2_read_blocks(). Let's extract that to common code, because other places might want to do that. Other than the block number being virtual, ocfs2_read_virt_blocks() takes the same arguments as ocfs2_read_blocks(). It converts those virtual block numbers to physical before calling ocfs2_read_blocks() directly. If the blocks asked for are discontiguous, this can mean multiple calls to ocfs2_read_blocks(), but this is mostly hidden from the caller. Like ocfs2_read_blocks(), the caller can pass in an existing buffer_head. This is usually done to pick up some readahead I/O. ocfs2_read_virt_blocks() checks the buffer_head's block number against the extent map - it must match. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 0bd9d96..f2bb1a0 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -806,3 +806,74 @@ out: return ret; } + +int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) +{ + int rc = 0; + u64 p_block, p_count; + int i, count, done = 0; + + mlog_entry("(inode = %p, v_block = %llu, nr = %d, bhs = %p, " + "flags = %x, validate = %p)\n", + inode, (unsigned long long)v_block, nr, bhs, flags, + validate); + + if (((v_block + nr - 1) << inode->i_sb->s_blocksize_bits) >= + i_size_read(inode)) { + BUG_ON(!(flags & OCFS2_BH_READAHEAD)); + goto out; + } + + while (done < nr) { + down_read(&OCFS2_I(inode)->ip_alloc_sem); + rc = ocfs2_extent_map_get_blocks(inode, v_block + done, + &p_block, &p_count, NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (rc) { + mlog_errno(rc); + break; + } + + if (!p_block) { + rc = -EIO; + mlog(ML_ERROR, + "Inode #%llu contains a hole at offset %llu\n", + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)(v_block + done) << + inode->i_sb->s_blocksize_bits); + break; + } + + count = nr - done; + if (p_count < count) + count = p_count; + + /* + * If the caller passed us bhs, they should have come + * from a previous readahead call to this function. Thus, + * they should have the right b_blocknr. + */ + for (i = 0; i < count; i++) { + if (!bhs[done + i]) + continue; + BUG_ON(bhs[done + i]->b_blocknr != (p_block + i)); + } + + rc = ocfs2_read_blocks(inode, p_block, count, bhs + done, + flags, validate); + if (rc) { + mlog_errno(rc); + break; + } + done += count; + } + +out: + mlog_exit(rc); + return rc; +} + + diff --git a/fs/ocfs2/extent_map.h b/fs/ocfs2/extent_map.h index 1c4aa8b..b7dd973 100644 --- a/fs/ocfs2/extent_map.h +++ b/fs/ocfs2/extent_map.h @@ -57,4 +57,28 @@ int ocfs2_xattr_get_clusters(struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, struct ocfs2_extent_list *el); +int ocfs2_read_virt_blocks(struct inode *inode, u64 v_block, int nr, + struct buffer_head *bhs[], int flags, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)); +static inline int ocfs2_read_virt_block(struct inode *inode, u64 v_block, + struct buffer_head **bh, + int (*validate)(struct super_block *sb, + struct buffer_head *bh)) +{ + int status = 0; + + if (bh == NULL) { + printk("ocfs2: bh == NULL\n"); + status = -EINVAL; + goto bail; + } + + status = ocfs2_read_virt_blocks(inode, v_block, 1, bh, 0, validate); + +bail: + return status; +} + + #endif /* _EXTENT_MAP_H */ -- cgit v0.10.2 From 511308d90b53479b194cd067715f44dc99d39b08 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 13 Nov 2008 14:49:21 -0800 Subject: ocfs2: Convert ocfs2_read_dir_block() to ocfs2_read_virt_blocks() Now that we've centralized the ocfs2_read_virt_blocks() code, let's use it in ocfs2_read_dir_block(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 7e863d4..d83cff9 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -231,44 +231,16 @@ static int ocfs2_read_dir_block(struct inode *inode, u64 v_block, { int rc = 0; struct buffer_head *tmp = *bh; - u64 p_blkno; - if (((u64)v_block << inode->i_sb->s_blocksize_bits) >= - i_size_read(inode)) { - BUG_ON(!(flags & OCFS2_BH_READAHEAD)); - goto out; - } - - down_read(&OCFS2_I(inode)->ip_alloc_sem); - rc = ocfs2_extent_map_get_blocks(inode, v_block, &p_blkno, NULL, - NULL); - up_read(&OCFS2_I(inode)->ip_alloc_sem); - if (rc) { + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, flags, + ocfs2_validate_dir_block); + if (rc) mlog_errno(rc); - goto out; - } - if (!p_blkno) { - rc = -EIO; - mlog(ML_ERROR, - "Directory #%llu contains a hole at offset %llu\n", - (unsigned long long)OCFS2_I(inode)->ip_blkno, - (unsigned long long)v_block << inode->i_sb->s_blocksize_bits); - goto out; - } - - rc = ocfs2_read_blocks(inode, p_blkno, 1, &tmp, flags, - ocfs2_validate_dir_block); - if (rc) { - mlog_errno(rc); - goto out; - } - - /* If ocfs2_read_blocks() got us a new bh, pass it up. */ - if (!*bh) + /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */ + if (!rc && !*bh) *bh = tmp; -out: return rc ? -EIO : 0; } -- cgit v0.10.2 From 53ef99cad9878f02f27bb30bc304fc42af8bdd6e Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 18 Nov 2008 16:53:43 -0800 Subject: ocfs2: Remove JBD compatibility layer JBD2 is fully backwards compatible with JBD and it's been tested enough with Ocfs2 that we can clean this code up now. Signed-off-by: Mark Fasheh diff --git a/fs/Kconfig b/fs/Kconfig index e8a47f7..b93425a 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -258,16 +258,6 @@ config OCFS2_DEBUG_FS this option for debugging only as it is likely to decrease performance of the filesystem. -config OCFS2_COMPAT_JBD - bool "Use JBD for compatibility" - depends on OCFS2_FS - default n - select JBD - help - The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 - is backwards compatible with JBD. It is safe to say N here. - However, if you really want to use the original JBD, say Y here. - config OCFS2_FS_POSIX_ACL bool "OCFS2 POSIX Access Control Lists" depends on OCFS2_FS diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index e823a27..69d67ab 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -6638,11 +6638,6 @@ static void ocfs2_map_and_dirty_page(struct inode *inode, handle_t *handle, mlog_errno(ret); else if (ocfs2_should_order_data(inode)) { ret = ocfs2_jbd2_file_inode(handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - ret = walk_page_buffers(handle, page_buffers(page), - from, to, &partial, - ocfs2_journal_dirty_data); -#endif if (ret < 0) mlog_errno(ret); } diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index e219f8b..6af79ad 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -474,12 +474,6 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode, if (ocfs2_should_order_data(inode)) { ret = ocfs2_jbd2_file_inode(handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - ret = walk_page_buffers(handle, - page_buffers(page), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif if (ret < 0) mlog_errno(ret); } @@ -1065,15 +1059,8 @@ static void ocfs2_write_failure(struct inode *inode, tmppage = wc->w_pages[i]; if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) { + if (ocfs2_should_order_data(inode)) ocfs2_jbd2_file_inode(wc->w_handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - walk_page_buffers(wc->w_handle, - page_buffers(tmppage), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif - } block_commit_write(tmppage, from, to); } @@ -1912,15 +1899,8 @@ int ocfs2_write_end_nolock(struct address_space *mapping, } if (page_has_buffers(tmppage)) { - if (ocfs2_should_order_data(inode)) { + if (ocfs2_should_order_data(inode)) ocfs2_jbd2_file_inode(wc->w_handle, inode); -#ifdef CONFIG_OCFS2_COMPAT_JBD - walk_page_buffers(wc->w_handle, - page_buffers(tmppage), - from, to, NULL, - ocfs2_journal_dirty_data); -#endif - } block_commit_write(tmppage, from, to); } } diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 9223bfc..12b62a3 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -434,20 +434,6 @@ int ocfs2_journal_dirty(handle_t *handle, return status; } -#ifdef CONFIG_OCFS2_COMPAT_JBD -int ocfs2_journal_dirty_data(handle_t *handle, - struct buffer_head *bh) -{ - int err = journal_dirty_data(handle, bh); - if (err) - mlog_errno(err); - /* TODO: When we can handle it, abort the handle and go RO on - * error here. */ - - return err; -} -#endif - #define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE) void ocfs2_set_journal_params(struct ocfs2_super *osb) diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index d4d14e9..8203980 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -27,12 +27,7 @@ #define OCFS2_JOURNAL_H #include -#ifndef CONFIG_OCFS2_COMPAT_JBD -# include -#else -# include -# include "ocfs2_jbd_compat.h" -#endif +#include enum ocfs2_journal_state { OCFS2_JOURNAL_FREE = 0, @@ -273,10 +268,6 @@ int ocfs2_journal_access(handle_t *handle, */ int ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh); -#ifdef CONFIG_OCFS2_COMPAT_JBD -int ocfs2_journal_dirty_data(handle_t *handle, - struct buffer_head *bh); -#endif /* * Credit Macros: diff --git a/fs/ocfs2/ocfs2_jbd_compat.h b/fs/ocfs2/ocfs2_jbd_compat.h deleted file mode 100644 index b91c78f..0000000 --- a/fs/ocfs2/ocfs2_jbd_compat.h +++ /dev/null @@ -1,82 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * ocfs2_jbd_compat.h - * - * Compatibility defines for JBD. - * - * Copyright (C) 2008 Oracle. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#ifndef OCFS2_JBD_COMPAT_H -#define OCFS2_JBD_COMPAT_H - -#ifndef CONFIG_OCFS2_COMPAT_JBD -# error Should not have been included -#endif - -struct jbd2_inode { - unsigned int dummy; -}; - -#define JBD2_BARRIER JFS_BARRIER -#define JBD2_DEFAULT_MAX_COMMIT_AGE JBD_DEFAULT_MAX_COMMIT_AGE - -#define jbd2_journal_ack_err journal_ack_err -#define jbd2_journal_clear_err journal_clear_err -#define jbd2_journal_destroy journal_destroy -#define jbd2_journal_dirty_metadata journal_dirty_metadata -#define jbd2_journal_errno journal_errno -#define jbd2_journal_extend journal_extend -#define jbd2_journal_flush journal_flush -#define jbd2_journal_force_commit journal_force_commit -#define jbd2_journal_get_write_access journal_get_write_access -#define jbd2_journal_get_undo_access journal_get_undo_access -#define jbd2_journal_init_inode journal_init_inode -#define jbd2_journal_invalidatepage journal_invalidatepage -#define jbd2_journal_load journal_load -#define jbd2_journal_lock_updates journal_lock_updates -#define jbd2_journal_restart journal_restart -#define jbd2_journal_start journal_start -#define jbd2_journal_start_commit journal_start_commit -#define jbd2_journal_stop journal_stop -#define jbd2_journal_try_to_free_buffers journal_try_to_free_buffers -#define jbd2_journal_unlock_updates journal_unlock_updates -#define jbd2_journal_wipe journal_wipe -#define jbd2_log_wait_commit log_wait_commit - -static inline int jbd2_journal_file_inode(handle_t *handle, - struct jbd2_inode *inode) -{ - return 0; -} - -static inline int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, - loff_t new_size) -{ - return 0; -} - -static inline void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, - struct inode *inode) -{ - return; -} - -static inline void jbd2_journal_release_jbd_inode(journal_t *journal, - struct jbd2_inode *jinode) -{ - return; -} - - -#endif /* OCFS2_JBD_COMPAT_H */ -- cgit v0.10.2 From 97aff52ae13d3c11a074bbbfc80ad0b59cb8cdeb Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 19 Nov 2008 16:48:41 +0800 Subject: ocfs2/xattr: Fix a bug in xattr allocation estimation When we extend one xattr's value to a large size, the old value size might be smaller than the size of a value root. In those cases, we still need to guess the metadata allocation. Reported-by: Tiger Yang Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 8af29b3..d0b94ed 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2270,6 +2270,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, value_size); xv = (struct ocfs2_xattr_value_root *) (base + name_offset + name_len); + value_size = OCFS2_XATTR_ROOT_SIZE; } else xv = &def_xv.xv; @@ -2283,7 +2284,8 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, &xv->xr_list, new_clusters - old_clusters); - goto out; + if (value_size >= OCFS2_XATTR_ROOT_SIZE) + goto out; } } else { /* -- cgit v0.10.2 From 9f868f16e40e9ad8e39aebff94a4be0d96520734 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 19 Nov 2008 16:48:42 +0800 Subject: ocfs2/xattr: Restore not_found in xis During an xattr set, when we move a xattr which was stored in inode to the outside bucket, we have to delete it and it will use the old value of xis->not_found. xis->not_found is removed by ocfs2_calc_xattr_set_need though, so we must restore it. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index d0b94ed..9cb71e1 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2414,7 +2414,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, struct ocfs2_xattr_search *xbs, struct ocfs2_xattr_set_ctxt *ctxt) { - int ret = 0, credits; + int ret = 0, credits, old_found; if (!xi->value) { /* Remove existing extended attribute */ @@ -2433,6 +2433,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, xi->value = NULL; xi->value_len = 0; + old_found = xis->not_found; xis->not_found = -ENODATA; ret = ocfs2_calc_xattr_set_need(inode, di, @@ -2442,6 +2443,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, NULL, NULL, &credits); + xis->not_found = old_found; if (ret) { mlog_errno(ret); goto out; @@ -2462,6 +2464,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, if (ret) goto out; + old_found = xis->not_found; xis->not_found = -ENODATA; ret = ocfs2_calc_xattr_set_need(inode, di, @@ -2471,6 +2474,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, NULL, NULL, &credits); + xis->not_found = old_found; if (ret) { mlog_errno(ret); goto out; -- cgit v0.10.2 From 74f783af95c982aef6d3a1415275650dcf511666 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 19 Aug 2008 14:51:22 +0200 Subject: quota: Add callbacks for allocating and destroying dquot structures Some filesystems would like to keep private information together with each dquot. Add callbacks alloc_dquot and destroy_dquot allowing filesystem to allocate larger dquots from their private slab in a similar fashion we currently allocate inodes. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index c237ccc..1b5fc4b 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -415,6 +415,16 @@ out_dqlock: return ret; } +static void dquot_destroy(struct dquot *dquot) +{ + kmem_cache_free(dquot_cachep, dquot); +} + +static inline void do_destroy_dquot(struct dquot *dquot) +{ + dquot->dq_sb->dq_op->destroy_dquot(dquot); +} + /* Invalidate all dquots on the list. Note that this function is called after * quota is disabled and pointers from inodes removed so there cannot be new * quota users. There can still be some users of quotas due to inodes being @@ -463,7 +473,7 @@ restart: remove_dquot_hash(dquot); remove_free_dquot(dquot); remove_inuse(dquot); - kmem_cache_free(dquot_cachep, dquot); + do_destroy_dquot(dquot); } spin_unlock(&dq_list_lock); } @@ -527,7 +537,7 @@ static void prune_dqcache(int count) remove_dquot_hash(dquot); remove_free_dquot(dquot); remove_inuse(dquot); - kmem_cache_free(dquot_cachep, dquot); + do_destroy_dquot(dquot); count--; head = free_dquots.prev; } @@ -625,11 +635,16 @@ we_slept: spin_unlock(&dq_list_lock); } +static struct dquot *dquot_alloc(struct super_block *sb, int type) +{ + return kmem_cache_zalloc(dquot_cachep, GFP_NOFS); +} + static struct dquot *get_empty_dquot(struct super_block *sb, int type) { struct dquot *dquot; - dquot = kmem_cache_zalloc(dquot_cachep, GFP_NOFS); + dquot = sb->dq_op->alloc_dquot(sb, type); if(!dquot) return NODQUOT; @@ -682,7 +697,7 @@ we_slept: dqstats.lookups++; spin_unlock(&dq_list_lock); if (empty) - kmem_cache_free(dquot_cachep, empty); + do_destroy_dquot(empty); } /* Wait for dq_lock - after this we know that either dquot_release() is already * finished or it will be canceled due to dq_count > 1 test */ @@ -1533,7 +1548,9 @@ struct dquot_operations dquot_operations = { .acquire_dquot = dquot_acquire, .release_dquot = dquot_release, .mark_dirty = dquot_mark_dquot_dirty, - .write_info = dquot_commit_info + .write_info = dquot_commit_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static inline void set_enable_flags(struct quota_info *dqopt, int type) diff --git a/include/linux/quota.h b/include/linux/quota.h index 40401b5..3ce708c 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -292,6 +292,8 @@ struct dquot_operations { int (*free_inode) (const struct inode *, unsigned long); int (*transfer) (struct inode *, struct iattr *); int (*write_dquot) (struct dquot *); /* Ordinary dquot write */ + struct dquot *(*alloc_dquot)(struct super_block *, int); /* Allocate memory for new dquot */ + void (*destroy_dquot)(struct dquot *); /* Free memory for dquot */ int (*acquire_dquot) (struct dquot *); /* Quota is going to be created on disk */ int (*release_dquot) (struct dquot *); /* Quota is going to be deleted from disk */ int (*mark_dirty) (struct dquot *); /* Dquot is marked dirty */ -- cgit v0.10.2 From 12095460f7f315f8ef67a55b2194195d325d48d7 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 14:45:12 +0200 Subject: quota: Increase size of variables for limits and inode usage So far quota was fine with quota block limits and inode limits/numbers in a 32-bit type. Now with rapid increase in storage sizes there are coming requests to be able to handle quota limits above 4TB / more that 2^32 inodes. So bump up sizes of types in mem_dqblk structure to 64-bits to be able to handle this. Also update inode allocation / checking functions to use qsize_t and make global structure keep quota limits in bytes so that things are consistent. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 1b5fc4b..c02223b 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -835,7 +835,7 @@ static void drop_dquot_ref(struct super_block *sb, int type) } } -static inline void dquot_incr_inodes(struct dquot *dquot, unsigned long number) +static inline void dquot_incr_inodes(struct dquot *dquot, qsize_t number) { dquot->dq_dqb.dqb_curinodes += number; } @@ -845,7 +845,7 @@ static inline void dquot_incr_space(struct dquot *dquot, qsize_t number) dquot->dq_dqb.dqb_curspace += number; } -static inline void dquot_decr_inodes(struct dquot *dquot, unsigned long number) +static inline void dquot_decr_inodes(struct dquot *dquot, qsize_t number) { if (dquot->dq_dqb.dqb_curinodes > number) dquot->dq_dqb.dqb_curinodes -= number; @@ -862,7 +862,7 @@ static inline void dquot_decr_space(struct dquot *dquot, qsize_t number) dquot->dq_dqb.dqb_curspace -= number; else dquot->dq_dqb.dqb_curspace = 0; - if (toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit) + if (dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit) dquot->dq_dqb.dqb_btime = (time_t) 0; clear_bit(DQ_BLKS_B, &dquot->dq_flags); } @@ -1038,7 +1038,7 @@ static inline char ignore_hardlimit(struct dquot *dquot) } /* needs dq_data_lock */ -static int check_idq(struct dquot *dquot, ulong inodes, char *warntype) +static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) { *warntype = QUOTA_NL_NOWARN; if (inodes <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) @@ -1077,7 +1077,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war return QUOTA_OK; if (dquot->dq_dqb.dqb_bhardlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bhardlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bhardlimit && !ignore_hardlimit(dquot)) { if (!prealloc) *warntype = QUOTA_NL_BHARDWARN; @@ -1085,7 +1085,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war } if (dquot->dq_dqb.dqb_bsoftlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit && dquot->dq_dqb.dqb_btime && get_seconds() >= dquot->dq_dqb.dqb_btime && !ignore_hardlimit(dquot)) { if (!prealloc) @@ -1094,7 +1094,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war } if (dquot->dq_dqb.dqb_bsoftlimit && - toqb(dquot->dq_dqb.dqb_curspace + space) > dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace + space > dquot->dq_dqb.dqb_bsoftlimit && dquot->dq_dqb.dqb_btime == 0) { if (!prealloc) { *warntype = QUOTA_NL_BSOFTWARN; @@ -1111,7 +1111,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war return QUOTA_OK; } -static int info_idq_free(struct dquot *dquot, ulong inodes) +static int info_idq_free(struct dquot *dquot, qsize_t inodes) { if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit) @@ -1128,15 +1128,13 @@ static int info_idq_free(struct dquot *dquot, ulong inodes) static int info_bdq_free(struct dquot *dquot, qsize_t space) { if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || - toqb(dquot->dq_dqb.dqb_curspace) <= dquot->dq_dqb.dqb_bsoftlimit) + dquot->dq_dqb.dqb_curspace <= dquot->dq_dqb.dqb_bsoftlimit) return QUOTA_NL_NOWARN; - if (toqb(dquot->dq_dqb.dqb_curspace - space) <= - dquot->dq_dqb.dqb_bsoftlimit) + if (dquot->dq_dqb.dqb_curspace - space <= dquot->dq_dqb.dqb_bsoftlimit) return QUOTA_NL_BSOFTBELOW; - if (toqb(dquot->dq_dqb.dqb_curspace) >= dquot->dq_dqb.dqb_bhardlimit && - toqb(dquot->dq_dqb.dqb_curspace - space) < - dquot->dq_dqb.dqb_bhardlimit) + if (dquot->dq_dqb.dqb_curspace >= dquot->dq_dqb.dqb_bhardlimit && + dquot->dq_dqb.dqb_curspace - space < dquot->dq_dqb.dqb_bhardlimit) return QUOTA_NL_BHARDBELOW; return QUOTA_NL_NOWARN; } @@ -1279,7 +1277,7 @@ warn_put_all: /* * This operation can block, but only after everything is updated */ -int dquot_alloc_inode(const struct inode *inode, unsigned long number) +int dquot_alloc_inode(const struct inode *inode, qsize_t number) { int cnt, ret = NO_QUOTA; char warntype[MAXQUOTAS]; @@ -1364,7 +1362,7 @@ out_sub: /* * This operation can block, but only after everything is updated */ -int dquot_free_inode(const struct inode *inode, unsigned long number) +int dquot_free_inode(const struct inode *inode, qsize_t number) { unsigned int cnt; char warntype[MAXQUOTAS]; @@ -1883,14 +1881,24 @@ int vfs_dq_quota_on_remount(struct super_block *sb) return ret; } +static inline qsize_t qbtos(qsize_t blocks) +{ + return blocks << QIF_DQBLKSIZE_BITS; +} + +static inline qsize_t stoqb(qsize_t space) +{ + return (space + QIF_DQBLKSIZE - 1) >> QIF_DQBLKSIZE_BITS; +} + /* Generic routine for getting common part of quota structure */ static void do_get_dqblk(struct dquot *dquot, struct if_dqblk *di) { struct mem_dqblk *dm = &dquot->dq_dqb; spin_lock(&dq_data_lock); - di->dqb_bhardlimit = dm->dqb_bhardlimit; - di->dqb_bsoftlimit = dm->dqb_bsoftlimit; + di->dqb_bhardlimit = stoqb(dm->dqb_bhardlimit); + di->dqb_bsoftlimit = stoqb(dm->dqb_bsoftlimit); di->dqb_curspace = dm->dqb_curspace; di->dqb_ihardlimit = dm->dqb_ihardlimit; di->dqb_isoftlimit = dm->dqb_isoftlimit; @@ -1937,8 +1945,8 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di) check_blim = 1; } if (di->dqb_valid & QIF_BLIMITS) { - dm->dqb_bsoftlimit = di->dqb_bsoftlimit; - dm->dqb_bhardlimit = di->dqb_bhardlimit; + dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit); + dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit); check_blim = 1; } if (di->dqb_valid & QIF_INODES) { @@ -1956,7 +1964,7 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di) dm->dqb_itime = di->dqb_itime; if (check_blim) { - if (!dm->dqb_bsoftlimit || toqb(dm->dqb_curspace) < dm->dqb_bsoftlimit) { + if (!dm->dqb_bsoftlimit || dm->dqb_curspace < dm->dqb_bsoftlimit) { dm->dqb_btime = 0; clear_bit(DQ_BLKS_B, &dquot->dq_flags); } diff --git a/fs/quota_v1.c b/fs/quota_v1.c index 5ae15b1..3e078ee 100644 --- a/fs/quota_v1.c +++ b/fs/quota_v1.c @@ -14,14 +14,27 @@ MODULE_AUTHOR("Jan Kara"); MODULE_DESCRIPTION("Old quota format support"); MODULE_LICENSE("GPL"); +#define QUOTABLOCK_BITS 10 +#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) + +static inline qsize_t v1_stoqb(qsize_t space) +{ + return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS; +} + +static inline qsize_t v1_qbtos(qsize_t blocks) +{ + return blocks << QUOTABLOCK_BITS; +} + static void v1_disk2mem_dqblk(struct mem_dqblk *m, struct v1_disk_dqblk *d) { m->dqb_ihardlimit = d->dqb_ihardlimit; m->dqb_isoftlimit = d->dqb_isoftlimit; m->dqb_curinodes = d->dqb_curinodes; - m->dqb_bhardlimit = d->dqb_bhardlimit; - m->dqb_bsoftlimit = d->dqb_bsoftlimit; - m->dqb_curspace = ((qsize_t)d->dqb_curblocks) << QUOTABLOCK_BITS; + m->dqb_bhardlimit = v1_qbtos(d->dqb_bhardlimit); + m->dqb_bsoftlimit = v1_qbtos(d->dqb_bsoftlimit); + m->dqb_curspace = v1_qbtos(d->dqb_curblocks); m->dqb_itime = d->dqb_itime; m->dqb_btime = d->dqb_btime; } @@ -31,9 +44,9 @@ static void v1_mem2disk_dqblk(struct v1_disk_dqblk *d, struct mem_dqblk *m) d->dqb_ihardlimit = m->dqb_ihardlimit; d->dqb_isoftlimit = m->dqb_isoftlimit; d->dqb_curinodes = m->dqb_curinodes; - d->dqb_bhardlimit = m->dqb_bhardlimit; - d->dqb_bsoftlimit = m->dqb_bsoftlimit; - d->dqb_curblocks = toqb(m->dqb_curspace); + d->dqb_bhardlimit = v1_stoqb(m->dqb_bhardlimit); + d->dqb_bsoftlimit = v1_stoqb(m->dqb_bsoftlimit); + d->dqb_curblocks = v1_stoqb(m->dqb_curspace); d->dqb_itime = m->dqb_itime; d->dqb_btime = m->dqb_btime; } diff --git a/fs/quota_v2.c b/fs/quota_v2.c index b53827d..51c4717 100644 --- a/fs/quota_v2.c +++ b/fs/quota_v2.c @@ -26,6 +26,19 @@ typedef char *dqbuf_t; #define GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff) #define GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)buf)+sizeof(struct v2_disk_dqdbheader))) +#define QUOTABLOCK_BITS 10 +#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) + +static inline qsize_t v2_stoqb(qsize_t space) +{ + return (space + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS; +} + +static inline qsize_t v2_qbtos(qsize_t blocks) +{ + return blocks << QUOTABLOCK_BITS; +} + /* Check whether given file is really vfsv0 quotafile */ static int v2_check_quota_file(struct super_block *sb, int type) { @@ -104,8 +117,8 @@ static void disk2memdqb(struct mem_dqblk *m, struct v2_disk_dqblk *d) m->dqb_isoftlimit = le32_to_cpu(d->dqb_isoftlimit); m->dqb_curinodes = le32_to_cpu(d->dqb_curinodes); m->dqb_itime = le64_to_cpu(d->dqb_itime); - m->dqb_bhardlimit = le32_to_cpu(d->dqb_bhardlimit); - m->dqb_bsoftlimit = le32_to_cpu(d->dqb_bsoftlimit); + m->dqb_bhardlimit = v2_qbtos(le32_to_cpu(d->dqb_bhardlimit)); + m->dqb_bsoftlimit = v2_qbtos(le32_to_cpu(d->dqb_bsoftlimit)); m->dqb_curspace = le64_to_cpu(d->dqb_curspace); m->dqb_btime = le64_to_cpu(d->dqb_btime); } @@ -116,8 +129,8 @@ static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id) d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit); d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes); d->dqb_itime = cpu_to_le64(m->dqb_itime); - d->dqb_bhardlimit = cpu_to_le32(m->dqb_bhardlimit); - d->dqb_bsoftlimit = cpu_to_le32(m->dqb_bsoftlimit); + d->dqb_bhardlimit = cpu_to_le32(v2_qbtos(m->dqb_bhardlimit)); + d->dqb_bsoftlimit = cpu_to_le32(v2_qbtos(m->dqb_bsoftlimit)); d->dqb_curspace = cpu_to_le64(m->dqb_curspace); d->dqb_btime = cpu_to_le64(m->dqb_btime); d->dqb_id = cpu_to_le32(id); diff --git a/include/linux/quota.h b/include/linux/quota.h index 3ce708c..9ea4683 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -39,15 +39,6 @@ #define __DQUOT_VERSION__ "dquot_6.5.1" #define __DQUOT_NUM_VERSION__ 6*10000+5*100+1 -/* Size of blocks in which are counted size limits */ -#define QUOTABLOCK_BITS 10 -#define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) - -/* Conversion routines from and to quota blocks */ -#define qb2kb(x) ((x) << (QUOTABLOCK_BITS-10)) -#define kb2qb(x) ((x) >> (QUOTABLOCK_BITS-10)) -#define toqb(x) (((x) + QUOTABLOCK_SIZE - 1) >> QUOTABLOCK_BITS) - #define MAXQUOTAS 2 #define USRQUOTA 0 /* element used for user quotas */ #define GRPQUOTA 1 /* element used for group quotas */ @@ -80,6 +71,11 @@ #define Q_GETQUOTA 0x800007 /* get user quota structure */ #define Q_SETQUOTA 0x800008 /* set user quota structure */ +/* Size of block in which space limits are passed through the quota + * interface */ +#define QIF_DQBLKSIZE_BITS 10 +#define QIF_DQBLKSIZE (1 << QIF_DQBLKSIZE_BITS) + /* * Quota structure used for communication with userspace via quotactl * Following flags are used to specify which fields are valid @@ -187,12 +183,12 @@ extern spinlock_t dq_data_lock; * Data for one user/group kept in memory */ struct mem_dqblk { - __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */ - __u32 dqb_bsoftlimit; /* preferred limit on disk blks */ + qsize_t dqb_bhardlimit; /* absolute limit on disk blks alloc */ + qsize_t dqb_bsoftlimit; /* preferred limit on disk blks */ qsize_t dqb_curspace; /* current used space */ - __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */ - __u32 dqb_isoftlimit; /* preferred inode limit */ - __u32 dqb_curinodes; /* current # allocated inodes */ + qsize_t dqb_ihardlimit; /* absolute limit on allocated inodes */ + qsize_t dqb_isoftlimit; /* preferred inode limit */ + qsize_t dqb_curinodes; /* current # allocated inodes */ time_t dqb_btime; /* time limit for excessive disk use */ time_t dqb_itime; /* time limit for excessive inode use */ }; @@ -287,9 +283,9 @@ struct dquot_operations { int (*initialize) (struct inode *, int); int (*drop) (struct inode *); int (*alloc_space) (struct inode *, qsize_t, int); - int (*alloc_inode) (const struct inode *, unsigned long); + int (*alloc_inode) (const struct inode *, qsize_t); int (*free_space) (struct inode *, qsize_t); - int (*free_inode) (const struct inode *, unsigned long); + int (*free_inode) (const struct inode *, qsize_t); int (*transfer) (struct inode *, struct iattr *); int (*write_dquot) (struct dquot *); /* Ordinary dquot write */ struct dquot *(*alloc_dquot)(struct super_block *, int); /* Allocate memory for new dquot */ diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index a558a4c..adcc7ba 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -26,10 +26,10 @@ int dquot_initialize(struct inode *inode, int type); int dquot_drop(struct inode *inode); int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc); -int dquot_alloc_inode(const struct inode *inode, unsigned long number); +int dquot_alloc_inode(const struct inode *inode, qsize_t number); int dquot_free_space(struct inode *inode, qsize_t number); -int dquot_free_inode(const struct inode *inode, unsigned long number); +int dquot_free_inode(const struct inode *inode, qsize_t number); int dquot_transfer(struct inode *inode, struct iattr *iattr); int dquot_commit(struct dquot *dquot); -- cgit v0.10.2 From 1497d3ad487b64eeea83ac203263802755438949 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 15:49:59 +0200 Subject: quota: Remove bogus 'optimization' in check_idq() and check_bdq() Checks like <= 0 for an unsigned type do not make much sence. The value could be only 0 and that does not happen often enough for the check to be worth it. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index c02223b..c883306 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -1041,7 +1041,7 @@ static inline char ignore_hardlimit(struct dquot *dquot) static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (inodes <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_ihardlimit && @@ -1073,7 +1073,7 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (space <= 0 || test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_bhardlimit && -- cgit v0.10.2 From e4bc7b4b7ff783779b6928d55a9308910bf180a3 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 16:21:01 +0200 Subject: quota: Make _SUSPENDED just a flag Upto now, DQUOT_USR_SUSPENDED behaved like a state - i.e., either quota was enabled or suspended or none. Now allowed states are 0, ENABLED, ENABLED | SUSPENDED. This will be useful later when we implement separate enabling of quota usage tracking and limits enforcement because we need to keep track of a state which has been suspended. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index c883306..22340c6 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -1570,18 +1570,20 @@ static inline void reset_enable_flags(struct quota_info *dqopt, int type, { switch (type) { case USRQUOTA: - dqopt->flags &= ~DQUOT_USR_ENABLED; if (remount) dqopt->flags |= DQUOT_USR_SUSPENDED; - else + else { + dqopt->flags &= ~DQUOT_USR_ENABLED; dqopt->flags &= ~DQUOT_USR_SUSPENDED; + } break; case GRPQUOTA: - dqopt->flags &= ~DQUOT_GRP_ENABLED; if (remount) dqopt->flags |= DQUOT_GRP_SUSPENDED; - else + else { + dqopt->flags &= ~DQUOT_GRP_ENABLED; dqopt->flags &= ~DQUOT_GRP_SUSPENDED; + } break; } } diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index adcc7ba..ffd9707 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -67,8 +67,10 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) static inline int sb_has_quota_enabled(struct super_block *sb, int type) { if (type == USRQUOTA) - return sb_dqopt(sb)->flags & DQUOT_USR_ENABLED; - return sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED; + return (sb_dqopt(sb)->flags & DQUOT_USR_ENABLED) + && !(sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED); + return (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED) + && !(sb_dqopt(sb)->flags & DQUOT_GROUP_SUSPENDED); } static inline int sb_any_quota_enabled(struct super_block *sb) -- cgit v0.10.2 From f55abc0fb9c3189de3da829adf3220322c0da43e Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 17:50:32 +0200 Subject: quota: Allow to separately enable quota accounting and enforcing limits Split DQUOT_USR_ENABLED (and DQUOT_GRP_ENABLED) into DQUOT_USR_USAGE_ENABLED and DQUOT_USR_LIMITS_ENABLED. This way we are able to separately enable / disable whether we should: 1) ignore quotas completely 2) just keep uptodate information about usage 3) actually enforce quota limits This is going to be useful when quota is treated as filesystem metadata - we then want to keep quota information uptodate all the time and just enable / disable limits enforcement. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 22340c6..7569633 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -489,7 +489,7 @@ int vfs_quota_sync(struct super_block *sb, int type) for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && cnt != type) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; spin_lock(&dq_list_lock); dirty = &dqopt->info[cnt].dqi_dirty_list; @@ -514,8 +514,8 @@ int vfs_quota_sync(struct super_block *sb, int type) } for (cnt = 0; cnt < MAXQUOTAS; cnt++) - if ((cnt == type || type == -1) && sb_has_quota_enabled(sb, cnt) - && info_dirty(&dqopt->info[cnt])) + if ((cnt == type || type == -1) && sb_has_quota_active(sb, cnt) + && info_dirty(&dqopt->info[cnt])) sb->dq_op->write_info(sb, cnt); spin_lock(&dq_list_lock); dqstats.syncs++; @@ -594,7 +594,7 @@ we_slept: /* We have more than one user... nothing to do */ atomic_dec(&dquot->dq_count); /* Releasing dquot during quotaoff phase? */ - if (!sb_has_quota_enabled(dquot->dq_sb, dquot->dq_type) && + if (!sb_has_quota_active(dquot->dq_sb, dquot->dq_type) && atomic_read(&dquot->dq_count) == 1) wake_up(&dquot->dq_wait_unused); spin_unlock(&dq_list_lock); @@ -670,7 +670,7 @@ static struct dquot *dqget(struct super_block *sb, unsigned int id, int type) unsigned int hashent = hashfn(sb, id, type); struct dquot *dquot, *empty = NODQUOT; - if (!sb_has_quota_enabled(sb, type)) + if (!sb_has_quota_active(sb, type)) return NODQUOT; we_slept: spin_lock(&dq_list_lock); @@ -1041,7 +1041,8 @@ static inline char ignore_hardlimit(struct dquot *dquot) static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) || + test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_ihardlimit && @@ -1073,7 +1074,8 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype) static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype) { *warntype = QUOTA_NL_NOWARN; - if (test_bit(DQ_FAKE_B, &dquot->dq_flags)) + if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) || + test_bit(DQ_FAKE_B, &dquot->dq_flags)) return QUOTA_OK; if (dquot->dq_dqb.dqb_bhardlimit && @@ -1114,7 +1116,8 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war static int info_idq_free(struct dquot *dquot, qsize_t inodes) { if (test_bit(DQ_FAKE_B, &dquot->dq_flags) || - dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit) + dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit || + !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type)) return QUOTA_NL_NOWARN; if (dquot->dq_dqb.dqb_curinodes - inodes <= dquot->dq_dqb.dqb_isoftlimit) @@ -1508,7 +1511,7 @@ warn_put_all: /* Wrapper for transferring ownership of an inode */ int vfs_dq_transfer(struct inode *inode, struct iattr *iattr) { - if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) { + if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) { vfs_dq_init(inode); if (inode->i_sb->dq_op->transfer(inode, iattr) == NO_QUOTA) return 1; @@ -1551,53 +1554,22 @@ struct dquot_operations dquot_operations = { .destroy_dquot = dquot_destroy, }; -static inline void set_enable_flags(struct quota_info *dqopt, int type) -{ - switch (type) { - case USRQUOTA: - dqopt->flags |= DQUOT_USR_ENABLED; - dqopt->flags &= ~DQUOT_USR_SUSPENDED; - break; - case GRPQUOTA: - dqopt->flags |= DQUOT_GRP_ENABLED; - dqopt->flags &= ~DQUOT_GRP_SUSPENDED; - break; - } -} - -static inline void reset_enable_flags(struct quota_info *dqopt, int type, - int remount) -{ - switch (type) { - case USRQUOTA: - if (remount) - dqopt->flags |= DQUOT_USR_SUSPENDED; - else { - dqopt->flags &= ~DQUOT_USR_ENABLED; - dqopt->flags &= ~DQUOT_USR_SUSPENDED; - } - break; - case GRPQUOTA: - if (remount) - dqopt->flags |= DQUOT_GRP_SUSPENDED; - else { - dqopt->flags &= ~DQUOT_GRP_ENABLED; - dqopt->flags &= ~DQUOT_GRP_SUSPENDED; - } - break; - } -} - - /* * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount) */ -int vfs_quota_off(struct super_block *sb, int type, int remount) +int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) { int cnt, ret = 0; struct quota_info *dqopt = sb_dqopt(sb); struct inode *toputinode[MAXQUOTAS]; + /* Cannot turn off usage accounting without turning off limits, or + * suspend quotas and simultaneously turn quotas off. */ + if ((flags & DQUOT_USAGE_ENABLED && !(flags & DQUOT_LIMITS_ENABLED)) + || (flags & DQUOT_SUSPENDED && flags & (DQUOT_LIMITS_ENABLED | + DQUOT_USAGE_ENABLED))) + return -EINVAL; + /* We need to serialize quota_off() for device */ mutex_lock(&dqopt->dqonoff_mutex); @@ -1606,7 +1578,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) * sometimes we are called when fill_super() failed and calling * sync_fs() in such cases does no good. */ - if (!sb_any_quota_enabled(sb) && !sb_any_quota_suspended(sb)) { + if (!sb_any_quota_loaded(sb)) { mutex_unlock(&dqopt->dqonoff_mutex); return 0; } @@ -1614,17 +1586,28 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) toputinode[cnt] = NULL; if (type != -1 && cnt != type) continue; - /* If we keep inodes of quota files after remount and quotaoff - * is called, drop kept inodes. */ - if (!remount && sb_has_quota_suspended(sb, cnt)) { - iput(dqopt->files[cnt]); - dqopt->files[cnt] = NULL; - reset_enable_flags(dqopt, cnt, 0); + if (!sb_has_quota_loaded(sb, cnt)) continue; + + if (flags & DQUOT_SUSPENDED) { + dqopt->flags |= + dquot_state_flag(DQUOT_SUSPENDED, cnt); + } else { + dqopt->flags &= ~dquot_state_flag(flags, cnt); + /* Turning off suspended quotas? */ + if (!sb_has_quota_loaded(sb, cnt) && + sb_has_quota_suspended(sb, cnt)) { + dqopt->flags &= ~dquot_state_flag( + DQUOT_SUSPENDED, cnt); + iput(dqopt->files[cnt]); + dqopt->files[cnt] = NULL; + continue; + } } - if (!sb_has_quota_enabled(sb, cnt)) + + /* We still have to keep quota loaded? */ + if (sb_has_quota_loaded(sb, cnt) && !(flags & DQUOT_SUSPENDED)) continue; - reset_enable_flags(dqopt, cnt, remount); /* Note: these are blocking operations */ drop_dquot_ref(sb, cnt); @@ -1640,7 +1623,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) put_quota_format(dqopt->info[cnt].dqi_format); toputinode[cnt] = dqopt->files[cnt]; - if (!remount) + if (!sb_has_quota_loaded(sb, cnt)) dqopt->files[cnt] = NULL; dqopt->info[cnt].dqi_flags = 0; dqopt->info[cnt].dqi_igrace = 0; @@ -1663,7 +1646,7 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) mutex_lock(&dqopt->dqonoff_mutex); /* If quota was reenabled in the meantime, we have * nothing to do */ - if (!sb_has_quota_enabled(sb, cnt)) { + if (!sb_has_quota_loaded(sb, cnt)) { mutex_lock_nested(&toputinode[cnt]->i_mutex, I_MUTEX_QUOTA); toputinode[cnt]->i_flags &= ~(S_IMMUTABLE | S_NOATIME | S_NOQUOTA); @@ -1673,10 +1656,13 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) } mutex_unlock(&dqopt->dqonoff_mutex); /* On remount RO, we keep the inode pointer so that we - * can reenable quota on the subsequent remount RW. - * But we have better not keep inode pointer when there - * is pending delete on the quota file... */ - if (!remount) + * can reenable quota on the subsequent remount RW. We + * have to check 'flags' variable and not use sb_has_ + * function because another quotaon / quotaoff could + * change global state before we got here. We refuse + * to suspend quotas when there is pending delete on + * the quota file... */ + if (!(flags & DQUOT_SUSPENDED)) iput(toputinode[cnt]); else if (!toputinode[cnt]->i_nlink) ret = -EBUSY; @@ -1686,12 +1672,22 @@ int vfs_quota_off(struct super_block *sb, int type, int remount) return ret; } +int vfs_quota_off(struct super_block *sb, int type, int remount) +{ + return vfs_quota_disable(sb, type, remount ? DQUOT_SUSPENDED : + (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED)); +} + /* * Turn quotas on on a device */ -/* Helper function when we already have the inode */ -static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) +/* + * Helper function to turn quotas on when we already have the inode of + * quota file and no quota information is loaded. + */ +static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, + unsigned int flags) { struct quota_format_type *fmt = find_quota_format(format_id); struct super_block *sb = inode->i_sb; @@ -1713,6 +1709,11 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) error = -EINVAL; goto out_fmt; } + /* Usage always has to be set... */ + if (!(flags & DQUOT_USAGE_ENABLED)) { + error = -EINVAL; + goto out_fmt; + } /* As we bypass the pagecache we must now flush the inode so that * we see all the changes from userspace... */ @@ -1721,8 +1722,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) invalidate_bdev(sb->s_bdev); mutex_lock(&inode->i_mutex); mutex_lock(&dqopt->dqonoff_mutex); - if (sb_has_quota_enabled(sb, type) || - sb_has_quota_suspended(sb, type)) { + if (sb_has_quota_loaded(sb, type)) { error = -EBUSY; goto out_lock; } @@ -1754,7 +1754,7 @@ static int vfs_quota_on_inode(struct inode *inode, int type, int format_id) } mutex_unlock(&dqopt->dqio_mutex); mutex_unlock(&inode->i_mutex); - set_enable_flags(dqopt, type); + dqopt->flags |= dquot_state_flag(flags, type); add_dquot_ref(sb, type); mutex_unlock(&dqopt->dqonoff_mutex); @@ -1787,20 +1787,23 @@ static int vfs_quota_on_remount(struct super_block *sb, int type) struct quota_info *dqopt = sb_dqopt(sb); struct inode *inode; int ret; + unsigned int flags; mutex_lock(&dqopt->dqonoff_mutex); if (!sb_has_quota_suspended(sb, type)) { mutex_unlock(&dqopt->dqonoff_mutex); return 0; } - BUG_ON(sb_has_quota_enabled(sb, type)); - inode = dqopt->files[type]; dqopt->files[type] = NULL; - reset_enable_flags(dqopt, type, 0); + flags = dqopt->flags & dquot_state_flag(DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED, type); + dqopt->flags &= ~dquot_state_flag(DQUOT_STATE_FLAGS, type); mutex_unlock(&dqopt->dqonoff_mutex); - ret = vfs_quota_on_inode(inode, type, dqopt->info[type].dqi_fmt_id); + flags = dquot_generic_flag(flags, type); + ret = vfs_load_quota_inode(inode, type, dqopt->info[type].dqi_fmt_id, + flags); iput(inode); return ret; @@ -1816,12 +1819,12 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id, if (path->mnt->mnt_sb != sb) error = -EXDEV; else - error = vfs_quota_on_inode(path->dentry->d_inode, type, - format_id); + error = vfs_load_quota_inode(path->dentry->d_inode, type, + format_id, DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); return error; } -/* Actual function called from quotactl() */ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name, int remount) { @@ -1840,6 +1843,50 @@ int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name, } /* + * More powerful function for turning on quotas allowing setting + * of individual quota flags + */ +int vfs_quota_enable(struct inode *inode, int type, int format_id, + unsigned int flags) +{ + int ret = 0; + struct super_block *sb = inode->i_sb; + struct quota_info *dqopt = sb_dqopt(sb); + + /* Just unsuspend quotas? */ + if (flags & DQUOT_SUSPENDED) + return vfs_quota_on_remount(sb, type); + if (!flags) + return 0; + /* Just updating flags needed? */ + if (sb_has_quota_loaded(sb, type)) { + mutex_lock(&dqopt->dqonoff_mutex); + /* Now do a reliable test... */ + if (!sb_has_quota_loaded(sb, type)) { + mutex_unlock(&dqopt->dqonoff_mutex); + goto load_quota; + } + if (flags & DQUOT_USAGE_ENABLED && + sb_has_quota_usage_enabled(sb, type)) { + ret = -EBUSY; + goto out_lock; + } + if (flags & DQUOT_LIMITS_ENABLED && + sb_has_quota_limits_enabled(sb, type)) { + ret = -EBUSY; + goto out_lock; + } + sb_dqopt(sb)->flags |= dquot_state_flag(flags, type); +out_lock: + mutex_unlock(&dqopt->dqonoff_mutex); + return ret; + } + +load_quota: + return vfs_load_quota_inode(inode, type, format_id, flags); +} + +/* * This function is used when filesystem needs to initialize quotas * during mount time. */ @@ -1860,7 +1907,8 @@ int vfs_quota_on_mount(struct super_block *sb, char *qf_name, error = security_quota_on(dentry); if (!error) - error = vfs_quota_on_inode(dentry->d_inode, type, format_id); + error = vfs_load_quota_inode(dentry->d_inode, type, format_id, + DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); out: dput(dentry); @@ -1997,12 +2045,14 @@ int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *d int rc; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!(dquot = dqget(sb, id, type))) { - mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return -ESRCH; + dquot = dqget(sb, id, type); + if (!dquot) { + rc = -ESRCH; + goto out; } rc = do_set_dqblk(dquot, di); dqput(dquot); +out: mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return rc; } @@ -2013,7 +2063,7 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) struct mem_dqinfo *mi; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!sb_has_quota_enabled(sb, type)) { + if (!sb_has_quota_active(sb, type)) { mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); return -ESRCH; } @@ -2032,11 +2082,12 @@ int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) { struct mem_dqinfo *mi; + int err = 0; mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); - if (!sb_has_quota_enabled(sb, type)) { - mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return -ESRCH; + if (!sb_has_quota_active(sb, type)) { + err = -ESRCH; + goto out; } mi = sb_dqopt(sb)->info + type; spin_lock(&dq_data_lock); @@ -2050,8 +2101,9 @@ int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii) mark_info_dirty(sb, type); /* Force write to disk */ sb->dq_op->write_info(sb, type); +out: mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); - return 0; + return err; } struct quotactl_ops vfs_quotactl_ops = { @@ -2213,9 +2265,11 @@ EXPORT_SYMBOL(register_quota_format); EXPORT_SYMBOL(unregister_quota_format); EXPORT_SYMBOL(dqstats); EXPORT_SYMBOL(dq_data_lock); +EXPORT_SYMBOL(vfs_quota_enable); EXPORT_SYMBOL(vfs_quota_on); EXPORT_SYMBOL(vfs_quota_on_path); EXPORT_SYMBOL(vfs_quota_on_mount); +EXPORT_SYMBOL(vfs_quota_disable); EXPORT_SYMBOL(vfs_quota_off); EXPORT_SYMBOL(vfs_quota_sync); EXPORT_SYMBOL(vfs_get_dqinfo); diff --git a/fs/quota.c b/fs/quota.c index b7fe44e..8678d9f 100644 --- a/fs/quota.c +++ b/fs/quota.c @@ -73,7 +73,7 @@ static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid case Q_SETQUOTA: case Q_GETQUOTA: /* This is just informative test so we are satisfied without a lock */ - if (!sb_has_quota_enabled(sb, type)) + if (!sb_has_quota_active(sb, type)) return -ESRCH; } @@ -175,7 +175,7 @@ static void quota_sync_sb(struct super_block *sb, int type) for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && cnt != type) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex, I_MUTEX_QUOTA); truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0); @@ -201,7 +201,7 @@ restart: for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (type != -1 && type != cnt) continue; - if (!sb_has_quota_enabled(sb, cnt)) + if (!sb_has_quota_active(sb, cnt)) continue; if (!info_dirty(&sb_dqopt(sb)->info[cnt]) && list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list)) @@ -245,7 +245,7 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void __u32 fmt; down_read(&sb_dqopt(sb)->dqptr_sem); - if (!sb_has_quota_enabled(sb, type)) { + if (!sb_has_quota_active(sb, type)) { up_read(&sb_dqopt(sb)->dqptr_sem); return -ESRCH; } diff --git a/include/linux/quota.h b/include/linux/quota.h index 9ea4683..93717ab 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -318,12 +318,34 @@ struct quota_format_type { struct quota_format_type *qf_next; }; -#define DQUOT_USR_ENABLED 0x01 /* User diskquotas enabled */ -#define DQUOT_GRP_ENABLED 0x02 /* Group diskquotas enabled */ -#define DQUOT_USR_SUSPENDED 0x04 /* User diskquotas are off, but +/* Quota state flags - they actually come in two flavors - for users and groups */ +enum { + _DQUOT_USAGE_ENABLED = 0, /* Track disk usage for users */ + _DQUOT_LIMITS_ENABLED, /* Enforce quota limits for users */ + _DQUOT_SUSPENDED, /* User diskquotas are off, but * we have necessary info in * memory to turn them on */ -#define DQUOT_GRP_SUSPENDED 0x08 /* The same for group quotas */ + _DQUOT_STATE_FLAGS +}; +#define DQUOT_USAGE_ENABLED (1 << _DQUOT_USAGE_ENABLED) +#define DQUOT_LIMITS_ENABLED (1 << _DQUOT_LIMITS_ENABLED) +#define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED) +#define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \ + DQUOT_SUSPENDED) + +static inline unsigned int dquot_state_flag(unsigned int flags, int type) +{ + if (type == USRQUOTA) + return flags; + return flags << _DQUOT_STATE_FLAGS; +} + +static inline unsigned int dquot_generic_flag(unsigned int flags, int type) +{ + if (type == USRQUOTA) + return flags; + return flags >> _DQUOT_STATE_FLAGS; +} struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index ffd9707..3b3346f 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -40,11 +40,14 @@ int dquot_mark_dquot_dirty(struct dquot *dquot); int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path, int remount); +int vfs_quota_enable(struct inode *inode, int type, int format_id, + unsigned int flags); int vfs_quota_on_path(struct super_block *sb, int type, int format_id, struct path *path); int vfs_quota_on_mount(struct super_block *sb, char *qf_name, int format_id, int type); int vfs_quota_off(struct super_block *sb, int type, int remount); +int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags); int vfs_quota_sync(struct super_block *sb, int type); int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii); @@ -64,26 +67,22 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type) * Functions for checking status of quota */ -static inline int sb_has_quota_enabled(struct super_block *sb, int type) +static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type) { - if (type == USRQUOTA) - return (sb_dqopt(sb)->flags & DQUOT_USR_ENABLED) - && !(sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED); - return (sb_dqopt(sb)->flags & DQUOT_GRP_ENABLED) - && !(sb_dqopt(sb)->flags & DQUOT_GROUP_SUSPENDED); + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_USAGE_ENABLED, type); } -static inline int sb_any_quota_enabled(struct super_block *sb) +static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type) { - return sb_has_quota_enabled(sb, USRQUOTA) || - sb_has_quota_enabled(sb, GRPQUOTA); + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_LIMITS_ENABLED, type); } static inline int sb_has_quota_suspended(struct super_block *sb, int type) { - if (type == USRQUOTA) - return sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED; - return sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED; + return sb_dqopt(sb)->flags & + dquot_state_flag(DQUOT_SUSPENDED, type); } static inline int sb_any_quota_suspended(struct super_block *sb) @@ -92,6 +91,34 @@ static inline int sb_any_quota_suspended(struct super_block *sb) sb_has_quota_suspended(sb, GRPQUOTA); } +/* Does kernel know about any quota information for given sb + type? */ +static inline int sb_has_quota_loaded(struct super_block *sb, int type) +{ + /* Currently if anything is on, then quota usage is on as well */ + return sb_has_quota_usage_enabled(sb, type); +} + +static inline int sb_any_quota_loaded(struct super_block *sb) +{ + return sb_has_quota_loaded(sb, USRQUOTA) || + sb_has_quota_loaded(sb, GRPQUOTA); +} + +static inline int sb_has_quota_active(struct super_block *sb, int type) +{ + return sb_has_quota_loaded(sb, type) && + !sb_has_quota_suspended(sb, type); +} + +static inline int sb_any_quota_active(struct super_block *sb) +{ + return sb_has_quota_active(sb, USRQUOTA) || + sb_has_quota_active(sb, GRPQUOTA); +} + +/* For backward compatibility until we remove all users */ +#define sb_any_quota_enabled(sb) sb_any_quota_active(sb) + /* * Operations supported for diskquotas. */ @@ -106,7 +133,7 @@ extern struct quotactl_ops vfs_quotactl_ops; static inline void vfs_dq_init(struct inode *inode) { BUG_ON(!inode->i_sb); - if (sb_any_quota_enabled(inode->i_sb) && !IS_NOQUOTA(inode)) + if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) inode->i_sb->dq_op->initialize(inode, -1); } @@ -114,7 +141,7 @@ static inline void vfs_dq_init(struct inode *inode) * a transaction (deadlocks possible otherwise) */ static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { /* Used space is updated in alloc_space() */ if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA) return 1; @@ -134,7 +161,7 @@ static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr) static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { /* Used space is updated in alloc_space() */ if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA) return 1; @@ -154,7 +181,7 @@ static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr) static inline int vfs_dq_alloc_inode(struct inode *inode) { - if (sb_any_quota_enabled(inode->i_sb)) { + if (sb_any_quota_active(inode->i_sb)) { vfs_dq_init(inode); if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) return 1; @@ -164,7 +191,7 @@ static inline int vfs_dq_alloc_inode(struct inode *inode) static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr) { - if (sb_any_quota_enabled(inode->i_sb)) + if (sb_any_quota_active(inode->i_sb)) inode->i_sb->dq_op->free_space(inode, nr); else inode_sub_bytes(inode, nr); @@ -178,7 +205,7 @@ static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr) static inline void vfs_dq_free_inode(struct inode *inode) { - if (sb_any_quota_enabled(inode->i_sb)) + if (sb_any_quota_active(inode->i_sb)) inode->i_sb->dq_op->free_inode(inode, 1); } @@ -199,12 +226,12 @@ static inline int vfs_dq_off(struct super_block *sb, int remount) #else -static inline int sb_has_quota_enabled(struct super_block *sb, int type) +static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type) { return 0; } -static inline int sb_any_quota_enabled(struct super_block *sb) +static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type) { return 0; } @@ -219,6 +246,30 @@ static inline int sb_any_quota_suspended(struct super_block *sb) return 0; } +/* Does kernel know about any quota information for given sb + type? */ +static inline int sb_has_quota_loaded(struct super_block *sb, int type) +{ + return 0; +} + +static inline int sb_any_quota_loaded(struct super_block *sb) +{ + return 0; +} + +static inline int sb_has_quota_active(struct super_block *sb, int type) +{ + return 0; +} + +static inline int sb_any_quota_active(struct super_block *sb) +{ + return 0; +} + +/* For backward compatibility until we remove all users */ +#define sb_any_quota_enabled(sb) sb_any_quota_active(sb) + /* * NO-OP when quota not configured. */ -- cgit v0.10.2 From ee0d5ffe0da2aa992004447113e28622621a983f Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 18:11:50 +0200 Subject: ext3: Use sb_any_quota_loaded() instead of sb_any_quota_enabled() Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ext3/super.c b/fs/ext3/super.c index f6c94f2..250ec53 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -1035,8 +1035,7 @@ static int parse_options (char *options, struct super_block *sb, case Opt_grpjquota: qtype = GRPQUOTA; set_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && !sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT3-fs: Cannot change journaled " @@ -1075,8 +1074,7 @@ set_qf_name: case Opt_offgrpjquota: qtype = GRPQUOTA; clear_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT3-fs: Cannot change " "journaled quota options when " @@ -1095,8 +1093,7 @@ clear_qf_name: case Opt_jqfmt_vfsv0: qfmt = QFMT_VFS_V0; set_qf_format: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_jquota_fmt != qfmt) { printk(KERN_ERR "EXT3-fs: Cannot change " "journaled quota options when " @@ -1115,8 +1112,7 @@ set_qf_format: set_opt(sbi->s_mount_opt, GRPQUOTA); break; case Opt_noquota: - if (sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) { + if (sb_any_quota_loaded(sb)) { printk(KERN_ERR "EXT3-fs: Cannot change quota " "options when quota turned on.\n"); return 0; -- cgit v0.10.2 From 17bd13b31ce4fe7f789d8848e8cbc8cb42b10544 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 18:14:35 +0200 Subject: ext4: Use sb_any_quota_loaded() instead of sb_any_quota_enabled() Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 04158ad..49fcf88 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1142,8 +1142,7 @@ static int parse_options(char *options, struct super_block *sb, case Opt_grpjquota: qtype = GRPQUOTA; set_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && !sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT4-fs: Cannot change journaled " @@ -1182,8 +1181,7 @@ set_qf_name: case Opt_offgrpjquota: qtype = GRPQUOTA; clear_qf_name: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_qf_names[qtype]) { printk(KERN_ERR "EXT4-fs: Cannot change " "journaled quota options when " @@ -1202,8 +1200,7 @@ clear_qf_name: case Opt_jqfmt_vfsv0: qfmt = QFMT_VFS_V0; set_qf_format: - if ((sb_any_quota_enabled(sb) || - sb_any_quota_suspended(sb)) && + if (sb_any_quota_loaded(sb) && sbi->s_jquota_fmt != qfmt) { printk(KERN_ERR "EXT4-fs: Cannot change " "journaled quota options when " @@ -1222,7 +1219,7 @@ set_qf_format: set_opt(sbi->s_mount_opt, GRPQUOTA); break; case Opt_noquota: - if (sb_any_quota_enabled(sb)) { + if (sb_any_quota_loaded(sb)) { printk(KERN_ERR "EXT4-fs: Cannot change quota " "options when quota turned on.\n"); return 0; -- cgit v0.10.2 From 6929f891241d3fe3af01d28503b645e63241e49a Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 18:16:36 +0200 Subject: reiserfs: Use sb_any_quota_loaded() instead of sb_any_quota_enabled(). Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 663a91f..a9b393a 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -994,8 +994,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin if (c == 'u' || c == 'g') { int qtype = c == 'u' ? USRQUOTA : GRPQUOTA; - if ((sb_any_quota_enabled(s) || - sb_any_quota_suspended(s)) && + if (sb_any_quota_loaded(s) && (!*arg != !REISERFS_SB(s)->s_qf_names[qtype])) { reiserfs_warning(s, "reiserfs_parse_options: cannot change journaled quota options when quota turned on."); @@ -1041,8 +1040,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin "reiserfs_parse_options: unknown quota format specified."); return 0; } - if ((sb_any_quota_enabled(s) || - sb_any_quota_suspended(s)) && + if (sb_any_quota_loaded(s) && *qfmt != REISERFS_SB(s)->s_jquota_fmt) { reiserfs_warning(s, "reiserfs_parse_options: cannot change journaled quota options when quota turned on."); @@ -1067,7 +1065,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin } /* This checking is not precise wrt the quota type but for our purposes it is sufficient */ if (!(*mount_options & (1 << REISERFS_QUOTA)) - && sb_any_quota_enabled(s)) { + && sb_any_quota_loaded(s)) { reiserfs_warning(s, "reiserfs_parse_options: quota options must be present when quota is turned on."); return 0; -- cgit v0.10.2 From dcb30695f2cac86b71417629a6fe8042b4fe2ab2 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 18:30:40 +0200 Subject: quota: Remove compatibility function sb_any_quota_enabled() Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 3b3346f..e840ca52 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -116,9 +116,6 @@ static inline int sb_any_quota_active(struct super_block *sb) sb_has_quota_active(sb, GRPQUOTA); } -/* For backward compatibility until we remove all users */ -#define sb_any_quota_enabled(sb) sb_any_quota_active(sb) - /* * Operations supported for diskquotas. */ @@ -267,9 +264,6 @@ static inline int sb_any_quota_active(struct super_block *sb) return 0; } -/* For backward compatibility until we remove all users */ -#define sb_any_quota_enabled(sb) sb_any_quota_active(sb) - /* * NO-OP when quota not configured. */ -- cgit v0.10.2 From ca785ec66b991e9ca74dd9840fc014487ad095e1 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 30 Sep 2008 17:53:37 +0200 Subject: quota: Introduce DQUOT_QUOTA_SYS_FILE flag If filesystem can handle quota files as system files hidden from users, we can skip a lot of cache invalidation, syncing, inode flags setting etc. when turning quotas on, off and quota_sync. Allow filesystem to indicate that it is hiding quota files from users by DQUOT_QUOTA_SYS_FILE flag. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 7569633..74185c3 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -1631,6 +1631,11 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) dqopt->ops[cnt] = NULL; } mutex_unlock(&dqopt->dqonoff_mutex); + + /* Skip syncing and setting flags if quota files are hidden */ + if (dqopt->flags & DQUOT_QUOTA_SYS_FILE) + goto put_inodes; + /* Sync the superblock so that buffers with quota data are written to * disk (and so userspace sees correct data afterwards). */ if (sb->s_op->sync_fs) @@ -1655,6 +1660,12 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) mark_inode_dirty(toputinode[cnt]); } mutex_unlock(&dqopt->dqonoff_mutex); + } + if (sb->s_bdev) + invalidate_bdev(sb->s_bdev); +put_inodes: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (toputinode[cnt]) { /* On remount RO, we keep the inode pointer so that we * can reenable quota on the subsequent remount RW. We * have to check 'flags' variable and not use sb_has_ @@ -1667,8 +1678,6 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags) else if (!toputinode[cnt]->i_nlink) ret = -EBUSY; } - if (sb->s_bdev) - invalidate_bdev(sb->s_bdev); return ret; } @@ -1715,25 +1724,31 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id, goto out_fmt; } - /* As we bypass the pagecache we must now flush the inode so that - * we see all the changes from userspace... */ - write_inode_now(inode, 1); - /* And now flush the block cache so that kernel sees the changes */ - invalidate_bdev(sb->s_bdev); + if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) { + /* As we bypass the pagecache we must now flush the inode so + * that we see all the changes from userspace... */ + write_inode_now(inode, 1); + /* And now flush the block cache so that kernel sees the + * changes */ + invalidate_bdev(sb->s_bdev); + } mutex_lock(&inode->i_mutex); mutex_lock(&dqopt->dqonoff_mutex); if (sb_has_quota_loaded(sb, type)) { error = -EBUSY; goto out_lock; } - /* We don't want quota and atime on quota files (deadlocks possible) - * Also nobody should write to the file - we use special IO operations - * which ignore the immutable bit. */ - down_write(&dqopt->dqptr_sem); - oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA); - inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE; - up_write(&dqopt->dqptr_sem); - sb->dq_op->drop(inode); + + if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) { + /* We don't want quota and atime on quota files (deadlocks + * possible) Also nobody should write to the file - we use + * special IO operations which ignore the immutable bit. */ + down_write(&dqopt->dqptr_sem); + oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA); + inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE; + up_write(&dqopt->dqptr_sem); + sb->dq_op->drop(inode); + } error = -EIO; dqopt->files[type] = igrab(inode); diff --git a/fs/quota.c b/fs/quota.c index 8678d9f..4a8c94f 100644 --- a/fs/quota.c +++ b/fs/quota.c @@ -160,6 +160,9 @@ static void quota_sync_sb(struct super_block *sb, int type) int cnt; sb->s_qcop->quota_sync(sb, type); + + if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE) + return; /* This is not very clever (and fast) but currently I don't know about * any other simple way of getting quota data to disk and we must get * them there for userspace to be visible... */ diff --git a/include/linux/quota.h b/include/linux/quota.h index 93717ab..80b8807 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -332,6 +332,13 @@ enum { #define DQUOT_SUSPENDED (1 << _DQUOT_SUSPENDED) #define DQUOT_STATE_FLAGS (DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \ DQUOT_SUSPENDED) +/* Other quota flags */ +#define DQUOT_QUOTA_SYS_FILE (1 << 6) /* Quota file is a special + * system file and user cannot + * touch it. Filesystem is + * responsible for setting + * S_NOQUOTA, S_NOATIME flags + */ static inline unsigned int dquot_state_flag(unsigned int flags, int type) { -- cgit v0.10.2 From cf770c137122b78470a67ebd5498947869a09197 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Sun, 21 Sep 2008 23:17:53 +0200 Subject: quota: Move quotaio_v[12].h from include/linux/ to fs/ Since these include files are used only by implementation of quota formats, there's no need to have them in include/linux/. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/quota_v1.c b/fs/quota_v1.c index 3e078ee..b4af1c6 100644 --- a/fs/quota_v1.c +++ b/fs/quota_v1.c @@ -3,13 +3,14 @@ #include #include #include -#include #include #include #include #include +#include "quotaio_v1.h" + MODULE_AUTHOR("Jan Kara"); MODULE_DESCRIPTION("Old quota format support"); MODULE_LICENSE("GPL"); diff --git a/fs/quota_v2.c b/fs/quota_v2.c index 51c4717..a21d1a7 100644 --- a/fs/quota_v2.c +++ b/fs/quota_v2.c @@ -6,7 +6,6 @@ #include #include #include -#include #include #include #include @@ -15,6 +14,8 @@ #include +#include "quotaio_v2.h" + MODULE_AUTHOR("Jan Kara"); MODULE_DESCRIPTION("Quota format v2 support"); MODULE_LICENSE("GPL"); @@ -129,8 +130,8 @@ static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id) d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit); d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes); d->dqb_itime = cpu_to_le64(m->dqb_itime); - d->dqb_bhardlimit = cpu_to_le32(v2_qbtos(m->dqb_bhardlimit)); - d->dqb_bsoftlimit = cpu_to_le32(v2_qbtos(m->dqb_bsoftlimit)); + d->dqb_bhardlimit = cpu_to_le32(v2_stoqb(m->dqb_bhardlimit)); + d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit)); d->dqb_curspace = cpu_to_le64(m->dqb_curspace); d->dqb_btime = cpu_to_le64(m->dqb_btime); d->dqb_id = cpu_to_le32(id); diff --git a/fs/quotaio_v1.h b/fs/quotaio_v1.h new file mode 100644 index 0000000..746654b --- /dev/null +++ b/fs/quotaio_v1.h @@ -0,0 +1,33 @@ +#ifndef _LINUX_QUOTAIO_V1_H +#define _LINUX_QUOTAIO_V1_H + +#include + +/* + * The following constants define the amount of time given a user + * before the soft limits are treated as hard limits (usually resulting + * in an allocation failure). The timer is started when the user crosses + * their soft limit, it is reset when they go below their soft limit. + */ +#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */ +#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */ + +/* + * The following structure defines the format of the disk quota file + * (as it appears on disk) - the file is an array of these structures + * indexed by user or group number. + */ +struct v1_disk_dqblk { + __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */ + __u32 dqb_bsoftlimit; /* preferred limit on disk blks */ + __u32 dqb_curblocks; /* current block count */ + __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */ + __u32 dqb_isoftlimit; /* preferred inode limit */ + __u32 dqb_curinodes; /* current # allocated inodes */ + time_t dqb_btime; /* time limit for excessive disk use */ + time_t dqb_itime; /* time limit for excessive inode use */ +}; + +#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk))) + +#endif /* _LINUX_QUOTAIO_V1_H */ diff --git a/fs/quotaio_v2.h b/fs/quotaio_v2.h new file mode 100644 index 0000000..303d7cb --- /dev/null +++ b/fs/quotaio_v2.h @@ -0,0 +1,79 @@ +/* + * Definitions of structures for vfsv0 quota format + */ + +#ifndef _LINUX_QUOTAIO_V2_H +#define _LINUX_QUOTAIO_V2_H + +#include +#include + +/* + * Definitions of magics and versions of current quota files + */ +#define V2_INITQMAGICS {\ + 0xd9c01f11, /* USRQUOTA */\ + 0xd9c01927 /* GRPQUOTA */\ +} + +#define V2_INITQVERSIONS {\ + 0, /* USRQUOTA */\ + 0 /* GRPQUOTA */\ +} + +/* + * The following structure defines the format of the disk quota file + * (as it appears on disk) - the file is a radix tree whose leaves point + * to blocks of these structures. + */ +struct v2_disk_dqblk { + __le32 dqb_id; /* id this quota applies to */ + __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ + __le32 dqb_isoftlimit; /* preferred inode limit */ + __le32 dqb_curinodes; /* current # allocated inodes */ + __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ + __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ + __le64 dqb_curspace; /* current space occupied (in bytes) */ + __le64 dqb_btime; /* time limit for excessive disk use */ + __le64 dqb_itime; /* time limit for excessive inode use */ +}; + +/* + * Here are header structures as written on disk and their in-memory copies + */ +/* First generic header */ +struct v2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* File version */ +}; + +/* Header with type and version specific information */ +struct v2_disk_dqinfo { + __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ + __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ + __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ + __le32 dqi_blocks; /* Number of blocks in file */ + __le32 dqi_free_blk; /* Number of first free block in the list */ + __le32 dqi_free_entry; /* Number of block with at least one free entry */ +}; + +/* + * Structure of header of block with quota structures. It is padded to 16 bytes so + * there will be space for exactly 21 quota-entries in a block + */ +struct v2_disk_dqdbheader { + __le32 dqdh_next_free; /* Number of next block with free entry */ + __le32 dqdh_prev_free; /* Number of previous block with free entry */ + __le16 dqdh_entries; /* Number of valid entries in block */ + __le16 dqdh_pad1; + __le32 dqdh_pad2; +}; + +#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ +#define V2_DQBLKSIZE_BITS 10 +#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */ +#define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */ +#define V2_DQTREEDEPTH 4 /* Depth of quota tree */ +#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */ + +#endif /* _LINUX_QUOTAIO_V2_H */ diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 95ac8234..900a787 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -134,8 +134,6 @@ header-y += posix_types.h header-y += ppdev.h header-y += prctl.h header-y += qnxtypes.h -header-y += quotaio_v1.h -header-y += quotaio_v2.h header-y += radeonfb.h header-y += raw.h header-y += resource.h diff --git a/include/linux/quotaio_v1.h b/include/linux/quotaio_v1.h deleted file mode 100644 index 746654b..0000000 --- a/include/linux/quotaio_v1.h +++ /dev/null @@ -1,33 +0,0 @@ -#ifndef _LINUX_QUOTAIO_V1_H -#define _LINUX_QUOTAIO_V1_H - -#include - -/* - * The following constants define the amount of time given a user - * before the soft limits are treated as hard limits (usually resulting - * in an allocation failure). The timer is started when the user crosses - * their soft limit, it is reset when they go below their soft limit. - */ -#define MAX_IQ_TIME 604800 /* (7*24*60*60) 1 week */ -#define MAX_DQ_TIME 604800 /* (7*24*60*60) 1 week */ - -/* - * The following structure defines the format of the disk quota file - * (as it appears on disk) - the file is an array of these structures - * indexed by user or group number. - */ -struct v1_disk_dqblk { - __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */ - __u32 dqb_bsoftlimit; /* preferred limit on disk blks */ - __u32 dqb_curblocks; /* current block count */ - __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */ - __u32 dqb_isoftlimit; /* preferred inode limit */ - __u32 dqb_curinodes; /* current # allocated inodes */ - time_t dqb_btime; /* time limit for excessive disk use */ - time_t dqb_itime; /* time limit for excessive inode use */ -}; - -#define v1_dqoff(UID) ((loff_t)((UID) * sizeof (struct v1_disk_dqblk))) - -#endif /* _LINUX_QUOTAIO_V1_H */ diff --git a/include/linux/quotaio_v2.h b/include/linux/quotaio_v2.h deleted file mode 100644 index 303d7cb..0000000 --- a/include/linux/quotaio_v2.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Definitions of structures for vfsv0 quota format - */ - -#ifndef _LINUX_QUOTAIO_V2_H -#define _LINUX_QUOTAIO_V2_H - -#include -#include - -/* - * Definitions of magics and versions of current quota files - */ -#define V2_INITQMAGICS {\ - 0xd9c01f11, /* USRQUOTA */\ - 0xd9c01927 /* GRPQUOTA */\ -} - -#define V2_INITQVERSIONS {\ - 0, /* USRQUOTA */\ - 0 /* GRPQUOTA */\ -} - -/* - * The following structure defines the format of the disk quota file - * (as it appears on disk) - the file is a radix tree whose leaves point - * to blocks of these structures. - */ -struct v2_disk_dqblk { - __le32 dqb_id; /* id this quota applies to */ - __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */ - __le32 dqb_isoftlimit; /* preferred inode limit */ - __le32 dqb_curinodes; /* current # allocated inodes */ - __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */ - __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */ - __le64 dqb_curspace; /* current space occupied (in bytes) */ - __le64 dqb_btime; /* time limit for excessive disk use */ - __le64 dqb_itime; /* time limit for excessive inode use */ -}; - -/* - * Here are header structures as written on disk and their in-memory copies - */ -/* First generic header */ -struct v2_disk_dqheader { - __le32 dqh_magic; /* Magic number identifying file */ - __le32 dqh_version; /* File version */ -}; - -/* Header with type and version specific information */ -struct v2_disk_dqinfo { - __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ - __le32 dqi_igrace; /* Time before inode soft limit becomes hard limit */ - __le32 dqi_flags; /* Flags for quotafile (DQF_*) */ - __le32 dqi_blocks; /* Number of blocks in file */ - __le32 dqi_free_blk; /* Number of first free block in the list */ - __le32 dqi_free_entry; /* Number of block with at least one free entry */ -}; - -/* - * Structure of header of block with quota structures. It is padded to 16 bytes so - * there will be space for exactly 21 quota-entries in a block - */ -struct v2_disk_dqdbheader { - __le32 dqdh_next_free; /* Number of next block with free entry */ - __le32 dqdh_prev_free; /* Number of previous block with free entry */ - __le16 dqdh_entries; /* Number of valid entries in block */ - __le16 dqdh_pad1; - __le32 dqdh_pad2; -}; - -#define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ -#define V2_DQBLKSIZE_BITS 10 -#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */ -#define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */ -#define V2_DQTREEDEPTH 4 /* Depth of quota tree */ -#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */ - -#endif /* _LINUX_QUOTAIO_V2_H */ -- cgit v0.10.2 From 1ccd14b9c271c1ac6eec5c5ec5def433100e7248 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 22 Sep 2008 05:54:49 +0200 Subject: quota: Split off quota tree handling into a separate file There is going to be a new version of quota format having 64-bit quota limits and a new quota format for OCFS2. They are both going to use the same tree structure as VFSv0 quota format. So split out tree handling into a separate file and make size of leaf blocks, amount of space usable in each block (needed for checksumming) and structures contained in them configurable so that the code can be shared. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/Kconfig b/fs/Kconfig index b93425a..c1ce3d8 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -302,6 +302,10 @@ config PRINT_QUOTA_WARNING Note that this behavior is currently deprecated and may go away in future. Please use notification via netlink socket instead. +# Generic support for tree structured quota files. Seleted when needed. +config QUOTA_TREE + tristate + config QFMT_V1 tristate "Old quota format support" depends on QUOTA @@ -313,6 +317,7 @@ config QFMT_V1 config QFMT_V2 tristate "Quota format v2 support" depends on QUOTA + select QUOTA_TREE help This quota format allows using quotas with 32-bit UIDs/GIDs. If you need this functionality say Y here. diff --git a/fs/Makefile b/fs/Makefile index e6f423d..c830611 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_GENERIC_ACL) += generic_acl.o obj-$(CONFIG_QUOTA) += dquot.o obj-$(CONFIG_QFMT_V1) += quota_v1.o obj-$(CONFIG_QFMT_V2) += quota_v2.o +obj-$(CONFIG_QUOTA_TREE) += quota_tree.o obj-$(CONFIG_QUOTACTL) += quota.o obj-$(CONFIG_PROC_FS) += proc/ diff --git a/fs/quota_tree.c b/fs/quota_tree.c new file mode 100644 index 0000000..953404c --- /dev/null +++ b/fs/quota_tree.c @@ -0,0 +1,645 @@ +/* + * vfsv0 quota IO operations on file + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "quota_tree.h" + +MODULE_AUTHOR("Jan Kara"); +MODULE_DESCRIPTION("Quota trie support"); +MODULE_LICENSE("GPL"); + +#define __QUOTA_QT_PARANOIA + +typedef char *dqbuf_t; + +static int get_index(struct qtree_mem_dqinfo *info, qid_t id, int depth) +{ + unsigned int epb = info->dqi_usable_bs >> 2; + + depth = info->dqi_qtree_depth - depth - 1; + while (depth--) + id /= epb; + return id % epb; +} + +/* Number of entries in one blocks */ +static inline int qtree_dqstr_in_blk(struct qtree_mem_dqinfo *info) +{ + return (info->dqi_usable_bs - sizeof(struct qt_disk_dqdbheader)) + / info->dqi_entry_size; +} + +static dqbuf_t getdqbuf(size_t size) +{ + dqbuf_t buf = kmalloc(size, GFP_NOFS); + if (!buf) + printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n"); + return buf; +} + +static inline void freedqbuf(dqbuf_t buf) +{ + kfree(buf); +} + +static inline ssize_t read_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf) +{ + struct super_block *sb = info->dqi_sb; + + memset(buf, 0, info->dqi_usable_bs); + return sb->s_op->quota_read(sb, info->dqi_type, (char *)buf, + info->dqi_usable_bs, blk << info->dqi_blocksize_bits); +} + +static inline ssize_t write_blk(struct qtree_mem_dqinfo *info, uint blk, dqbuf_t buf) +{ + struct super_block *sb = info->dqi_sb; + + return sb->s_op->quota_write(sb, info->dqi_type, (char *)buf, + info->dqi_usable_bs, blk << info->dqi_blocksize_bits); +} + +/* Remove empty block from list and return it */ +static int get_free_dqblk(struct qtree_mem_dqinfo *info) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int ret, blk; + + if (!buf) + return -ENOMEM; + if (info->dqi_free_blk) { + blk = info->dqi_free_blk; + ret = read_blk(info, blk, buf); + if (ret < 0) + goto out_buf; + info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free); + } + else { + memset(buf, 0, info->dqi_usable_bs); + /* Assure block allocation... */ + ret = write_blk(info, info->dqi_blocks, buf); + if (ret < 0) + goto out_buf; + blk = info->dqi_blocks++; + } + mark_info_dirty(info->dqi_sb, info->dqi_type); + ret = blk; +out_buf: + freedqbuf(buf); + return ret; +} + +/* Insert empty block to the list */ +static int put_free_dqblk(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int err; + + dh->dqdh_next_free = cpu_to_le32(info->dqi_free_blk); + dh->dqdh_prev_free = cpu_to_le32(0); + dh->dqdh_entries = cpu_to_le16(0); + err = write_blk(info, blk, buf); + if (err < 0) + return err; + info->dqi_free_blk = blk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + return 0; +} + +/* Remove given block from the list of blocks with free entries */ +static int remove_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + uint nextblk = le32_to_cpu(dh->dqdh_next_free); + uint prevblk = le32_to_cpu(dh->dqdh_prev_free); + int err; + + if (!tmpbuf) + return -ENOMEM; + if (nextblk) { + err = read_blk(info, nextblk, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = + dh->dqdh_prev_free; + err = write_blk(info, nextblk, tmpbuf); + if (err < 0) + goto out_buf; + } + if (prevblk) { + err = read_blk(info, prevblk, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_next_free = + dh->dqdh_next_free; + err = write_blk(info, prevblk, tmpbuf); + if (err < 0) + goto out_buf; + } else { + info->dqi_free_entry = nextblk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + } + freedqbuf(tmpbuf); + dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0); + /* No matter whether write succeeds block is out of list */ + if (write_blk(info, blk, buf) < 0) + printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk); + return 0; +out_buf: + freedqbuf(tmpbuf); + return err; +} + +/* Insert given block to the beginning of list with free entries */ +static int insert_free_dqentry(struct qtree_mem_dqinfo *info, dqbuf_t buf, uint blk) +{ + dqbuf_t tmpbuf = getdqbuf(info->dqi_usable_bs); + struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf; + int err; + + if (!tmpbuf) + return -ENOMEM; + dh->dqdh_next_free = cpu_to_le32(info->dqi_free_entry); + dh->dqdh_prev_free = cpu_to_le32(0); + err = write_blk(info, blk, buf); + if (err < 0) + goto out_buf; + if (info->dqi_free_entry) { + err = read_blk(info, info->dqi_free_entry, tmpbuf); + if (err < 0) + goto out_buf; + ((struct qt_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = + cpu_to_le32(blk); + err = write_blk(info, info->dqi_free_entry, tmpbuf); + if (err < 0) + goto out_buf; + } + freedqbuf(tmpbuf); + info->dqi_free_entry = blk; + mark_info_dirty(info->dqi_sb, info->dqi_type); + return 0; +out_buf: + freedqbuf(tmpbuf); + return err; +} + +/* Is the entry in the block free? */ +int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk) +{ + int i; + + for (i = 0; i < info->dqi_entry_size; i++) + if (disk[i]) + return 0; + return 1; +} +EXPORT_SYMBOL(qtree_entry_unused); + +/* Find space for dquot */ +static uint find_free_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, int *err) +{ + uint blk, i; + struct qt_disk_dqdbheader *dh; + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + char *ddquot; + + *err = 0; + if (!buf) { + *err = -ENOMEM; + return 0; + } + dh = (struct qt_disk_dqdbheader *)buf; + if (info->dqi_free_entry) { + blk = info->dqi_free_entry; + *err = read_blk(info, blk, buf); + if (*err < 0) + goto out_buf; + } else { + blk = get_free_dqblk(info); + if ((int)blk < 0) { + *err = blk; + freedqbuf(buf); + return 0; + } + memset(buf, 0, info->dqi_usable_bs); + /* This is enough as block is already zeroed and entry list is empty... */ + info->dqi_free_entry = blk; + mark_info_dirty(dquot->dq_sb, dquot->dq_type); + } + /* Block will be full? */ + if (le16_to_cpu(dh->dqdh_entries) + 1 >= qtree_dqstr_in_blk(info)) { + *err = remove_free_dqentry(info, buf, blk); + if (*err < 0) { + printk(KERN_ERR "VFS: find_free_dqentry(): Can't " + "remove block (%u) from entry free list.\n", + blk); + goto out_buf; + } + } + le16_add_cpu(&dh->dqdh_entries, 1); + /* Find free structure in block */ + for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader); + i < qtree_dqstr_in_blk(info) && !qtree_entry_unused(info, ddquot); + i++, ddquot += info->dqi_entry_size); +#ifdef __QUOTA_QT_PARANOIA + if (i == qtree_dqstr_in_blk(info)) { + printk(KERN_ERR "VFS: find_free_dqentry(): Data block full " + "but it shouldn't.\n"); + *err = -EIO; + goto out_buf; + } +#endif + *err = write_blk(info, blk, buf); + if (*err < 0) { + printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota " + "data block %u.\n", blk); + goto out_buf; + } + dquot->dq_off = (blk << info->dqi_blocksize_bits) + + sizeof(struct qt_disk_dqdbheader) + + i * info->dqi_entry_size; + freedqbuf(buf); + return blk; +out_buf: + freedqbuf(buf); + return 0; +} + +/* Insert reference to structure into the trie */ +static int do_insert_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint *treeblk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0, newson = 0, newact = 0; + __le32 *ref; + uint newblk; + + if (!buf) + return -ENOMEM; + if (!*treeblk) { + ret = get_free_dqblk(info); + if (ret < 0) + goto out_buf; + *treeblk = ret; + memset(buf, 0, info->dqi_usable_bs); + newact = 1; + } else { + ret = read_blk(info, *treeblk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read tree quota block " + "%u.\n", *treeblk); + goto out_buf; + } + } + ref = (__le32 *)buf; + newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (!newblk) + newson = 1; + if (depth == info->dqi_qtree_depth - 1) { +#ifdef __QUOTA_QT_PARANOIA + if (newblk) { + printk(KERN_ERR "VFS: Inserting already present quota " + "entry (block %u).\n", + le32_to_cpu(ref[get_index(info, + dquot->dq_id, depth)])); + ret = -EIO; + goto out_buf; + } +#endif + newblk = find_free_dqentry(info, dquot, &ret); + } else { + ret = do_insert_tree(info, dquot, &newblk, depth+1); + } + if (newson && ret >= 0) { + ref[get_index(info, dquot->dq_id, depth)] = + cpu_to_le32(newblk); + ret = write_blk(info, *treeblk, buf); + } else if (newact && ret < 0) { + put_free_dqblk(info, buf, *treeblk); + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Wrapper for inserting quota structure into tree */ +static inline int dq_insert_tree(struct qtree_mem_dqinfo *info, + struct dquot *dquot) +{ + int tmp = QT_TREEOFF; + return do_insert_tree(info, dquot, &tmp, 0); +} + +/* + * We don't have to be afraid of deadlocks as we never have quotas on quota files... + */ +int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + int type = dquot->dq_type; + struct super_block *sb = dquot->dq_sb; + ssize_t ret; + dqbuf_t ddquot = getdqbuf(info->dqi_entry_size); + + if (!ddquot) + return -ENOMEM; + + /* dq_off is guarded by dqio_mutex */ + if (!dquot->dq_off) { + ret = dq_insert_tree(info, dquot); + if (ret < 0) { + printk(KERN_ERR "VFS: Error %zd occurred while " + "creating quota.\n", ret); + freedqbuf(ddquot); + return ret; + } + } + spin_lock(&dq_data_lock); + info->dqi_ops->mem2disk_dqblk(ddquot, dquot); + spin_unlock(&dq_data_lock); + ret = sb->s_op->quota_write(sb, type, (char *)ddquot, + info->dqi_entry_size, dquot->dq_off); + if (ret != info->dqi_entry_size) { + printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", + sb->s_id); + if (ret >= 0) + ret = -ENOSPC; + } else { + ret = 0; + } + dqstats.writes++; + freedqbuf(ddquot); + + return ret; +} +EXPORT_SYMBOL(qtree_write_dquot); + +/* Free dquot entry in data block */ +static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint blk) +{ + struct qt_disk_dqdbheader *dh; + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0; + + if (!buf) + return -ENOMEM; + if (dquot->dq_off >> info->dqi_blocksize_bits != blk) { + printk(KERN_ERR "VFS: Quota structure has offset to other " + "block (%u) than it should (%u).\n", blk, + (uint)(dquot->dq_off >> info->dqi_blocksize_bits)); + goto out_buf; + } + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk); + goto out_buf; + } + dh = (struct qt_disk_dqdbheader *)buf; + le16_add_cpu(&dh->dqdh_entries, -1); + if (!le16_to_cpu(dh->dqdh_entries)) { /* Block got free? */ + ret = remove_free_dqentry(info, buf, blk); + if (ret >= 0) + ret = put_free_dqblk(info, buf, blk); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't move quota data block (%u) " + "to free list.\n", blk); + goto out_buf; + } + } else { + memset(buf + + (dquot->dq_off & ((1 << info->dqi_blocksize_bits) - 1)), + 0, info->dqi_entry_size); + if (le16_to_cpu(dh->dqdh_entries) == + qtree_dqstr_in_blk(info) - 1) { + /* Insert will write block itself */ + ret = insert_free_dqentry(info, buf, blk); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't insert quota data " + "block (%u) to free entry list.\n", blk); + goto out_buf; + } + } else { + ret = write_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't write quota data " + "block %u\n", blk); + goto out_buf; + } + } + } + dquot->dq_off = 0; /* Quota is now unattached */ +out_buf: + freedqbuf(buf); + return ret; +} + +/* Remove reference to dquot from tree */ +static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, + uint *blk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + int ret = 0; + uint newblk; + __le32 *ref = (__le32 *)buf; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, *blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk); + goto out_buf; + } + newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (depth == info->dqi_qtree_depth - 1) { + ret = free_dqentry(info, dquot, newblk); + newblk = 0; + } else { + ret = remove_tree(info, dquot, &newblk, depth+1); + } + if (ret >= 0 && !newblk) { + int i; + ref[get_index(info, dquot->dq_id, depth)] = cpu_to_le32(0); + /* Block got empty? */ + for (i = 0; + i < (info->dqi_usable_bs >> 2) && !ref[i]; + i++); + /* Don't put the root block into the free block list */ + if (i == (info->dqi_usable_bs >> 2) + && *blk != QT_TREEOFF) { + put_free_dqblk(info, buf, *blk); + *blk = 0; + } else { + ret = write_blk(info, *blk, buf); + if (ret < 0) + printk(KERN_ERR "VFS: Can't write quota tree " + "block %u.\n", *blk); + } + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Delete dquot from tree */ +int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + uint tmp = QT_TREEOFF; + + if (!dquot->dq_off) /* Even not allocated? */ + return 0; + return remove_tree(info, dquot, &tmp, 0); +} +EXPORT_SYMBOL(qtree_delete_dquot); + +/* Find entry in block */ +static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, uint blk) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + loff_t ret = 0; + int i; + char *ddquot; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); + goto out_buf; + } + for (i = 0, ddquot = ((char *)buf) + sizeof(struct qt_disk_dqdbheader); + i < qtree_dqstr_in_blk(info) && !info->dqi_ops->is_id(ddquot, dquot); + i++, ddquot += info->dqi_entry_size); + if (i == qtree_dqstr_in_blk(info)) { + printk(KERN_ERR "VFS: Quota for id %u referenced " + "but not present.\n", dquot->dq_id); + ret = -EIO; + goto out_buf; + } else { + ret = (blk << info->dqi_blocksize_bits) + sizeof(struct + qt_disk_dqdbheader) + i * info->dqi_entry_size; + } +out_buf: + freedqbuf(buf); + return ret; +} + +/* Find entry for given id in the tree */ +static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot, uint blk, int depth) +{ + dqbuf_t buf = getdqbuf(info->dqi_usable_bs); + loff_t ret = 0; + __le32 *ref = (__le32 *)buf; + + if (!buf) + return -ENOMEM; + ret = read_blk(info, blk, buf); + if (ret < 0) { + printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); + goto out_buf; + } + ret = 0; + blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (!blk) /* No reference? */ + goto out_buf; + if (depth < info->dqi_qtree_depth - 1) + ret = find_tree_dqentry(info, dquot, blk, depth+1); + else + ret = find_block_dqentry(info, dquot, blk); +out_buf: + freedqbuf(buf); + return ret; +} + +/* Find entry for given id in the tree - wrapper function */ +static inline loff_t find_dqentry(struct qtree_mem_dqinfo *info, + struct dquot *dquot) +{ + return find_tree_dqentry(info, dquot, QT_TREEOFF, 0); +} + +int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + int type = dquot->dq_type; + struct super_block *sb = dquot->dq_sb; + loff_t offset; + dqbuf_t ddquot; + int ret = 0; + +#ifdef __QUOTA_QT_PARANOIA + /* Invalidated quota? */ + if (!sb_dqopt(dquot->dq_sb)->files[type]) { + printk(KERN_ERR "VFS: Quota invalidated while reading!\n"); + return -EIO; + } +#endif + /* Do we know offset of the dquot entry in the quota file? */ + if (!dquot->dq_off) { + offset = find_dqentry(info, dquot); + if (offset <= 0) { /* Entry not present? */ + if (offset < 0) + printk(KERN_ERR "VFS: Can't read quota " + "structure for id %u.\n", dquot->dq_id); + dquot->dq_off = 0; + set_bit(DQ_FAKE_B, &dquot->dq_flags); + memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); + ret = offset; + goto out; + } + dquot->dq_off = offset; + } + ddquot = getdqbuf(info->dqi_entry_size); + if (!ddquot) + return -ENOMEM; + ret = sb->s_op->quota_read(sb, type, (char *)ddquot, + info->dqi_entry_size, dquot->dq_off); + if (ret != info->dqi_entry_size) { + if (ret >= 0) + ret = -EIO; + printk(KERN_ERR "VFS: Error while reading quota " + "structure for id %u.\n", dquot->dq_id); + set_bit(DQ_FAKE_B, &dquot->dq_flags); + memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); + freedqbuf(ddquot); + goto out; + } + spin_lock(&dq_data_lock); + info->dqi_ops->disk2mem_dqblk(dquot, ddquot); + if (!dquot->dq_dqb.dqb_bhardlimit && + !dquot->dq_dqb.dqb_bsoftlimit && + !dquot->dq_dqb.dqb_ihardlimit && + !dquot->dq_dqb.dqb_isoftlimit) + set_bit(DQ_FAKE_B, &dquot->dq_flags); + spin_unlock(&dq_data_lock); + freedqbuf(ddquot); +out: + dqstats.reads++; + return ret; +} +EXPORT_SYMBOL(qtree_read_dquot); + +/* Check whether dquot should not be deleted. We know we are + * the only one operating on dquot (thanks to dq_lock) */ +int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot) +{ + if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace)) + return qtree_delete_dquot(info, dquot); + return 0; +} +EXPORT_SYMBOL(qtree_release_dquot); diff --git a/fs/quota_tree.h b/fs/quota_tree.h new file mode 100644 index 0000000..a1ab8db --- /dev/null +++ b/fs/quota_tree.h @@ -0,0 +1,25 @@ +/* + * Definitions of structures for vfsv0 quota format + */ + +#ifndef _LINUX_QUOTA_TREE_H +#define _LINUX_QUOTA_TREE_H + +#include +#include + +/* + * Structure of header of block with quota structures. It is padded to 16 bytes so + * there will be space for exactly 21 quota-entries in a block + */ +struct qt_disk_dqdbheader { + __le32 dqdh_next_free; /* Number of next block with free entry */ + __le32 dqdh_prev_free; /* Number of previous block with free entry */ + __le16 dqdh_entries; /* Number of valid entries in block */ + __le16 dqdh_pad1; + __le32 dqdh_pad2; +}; + +#define QT_TREEOFF 1 /* Offset of tree in file in blocks */ + +#endif /* _LINUX_QUOTAIO_TREE_H */ diff --git a/fs/quota_v2.c b/fs/quota_v2.c index a21d1a7..a87f102 100644 --- a/fs/quota_v2.c +++ b/fs/quota_v2.c @@ -14,6 +14,7 @@ #include +#include "quota_tree.h" #include "quotaio_v2.h" MODULE_AUTHOR("Jan Kara"); @@ -22,10 +23,15 @@ MODULE_LICENSE("GPL"); #define __QUOTA_V2_PARANOIA -typedef char *dqbuf_t; +static void v2_mem2diskdqb(void *dp, struct dquot *dquot); +static void v2_disk2memdqb(struct dquot *dquot, void *dp); +static int v2_is_id(void *dp, struct dquot *dquot); -#define GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff) -#define GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)buf)+sizeof(struct v2_disk_dqdbheader))) +static struct qtree_fmt_operations v2_qtree_ops = { + .mem2disk_dqblk = v2_mem2diskdqb, + .disk2mem_dqblk = v2_disk2memdqb, + .is_id = v2_is_id, +}; #define QUOTABLOCK_BITS 10 #define QUOTABLOCK_SIZE (1 << QUOTABLOCK_BITS) @@ -64,7 +70,7 @@ static int v2_check_quota_file(struct super_block *sb, int type) static int v2_read_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; - struct mem_dqinfo *info = sb_dqopt(sb)->info+type; + struct mem_dqinfo *info = sb_dqinfo(sb, type); ssize_t size; size = sb->s_op->quota_read(sb, type, (char *)&dinfo, @@ -80,9 +86,16 @@ static int v2_read_file_info(struct super_block *sb, int type) info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); info->dqi_flags = le32_to_cpu(dinfo.dqi_flags); - info->u.v2_i.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); - info->u.v2_i.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); - info->u.v2_i.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + info->u.v2_i.i.dqi_sb = sb; + info->u.v2_i.i.dqi_type = type; + info->u.v2_i.i.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); + info->u.v2_i.i.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); + info->u.v2_i.i.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + info->u.v2_i.i.dqi_blocksize_bits = V2_DQBLKSIZE_BITS; + info->u.v2_i.i.dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS; + info->u.v2_i.i.dqi_qtree_depth = qtree_depth(&info->u.v2_i.i); + info->u.v2_i.i.dqi_entry_size = sizeof(struct v2_disk_dqblk); + info->u.v2_i.i.dqi_ops = &v2_qtree_ops; return 0; } @@ -90,7 +103,7 @@ static int v2_read_file_info(struct super_block *sb, int type) static int v2_write_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; - struct mem_dqinfo *info = sb_dqopt(sb)->info+type; + struct mem_dqinfo *info = sb_dqinfo(sb, type); ssize_t size; spin_lock(&dq_data_lock); @@ -99,9 +112,9 @@ static int v2_write_file_info(struct super_block *sb, int type) dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace); dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK); spin_unlock(&dq_data_lock); - dinfo.dqi_blocks = cpu_to_le32(info->u.v2_i.dqi_blocks); - dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.dqi_free_blk); - dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.dqi_free_entry); + dinfo.dqi_blocks = cpu_to_le32(info->u.v2_i.i.dqi_blocks); + dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.i.dqi_free_blk); + dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.i.dqi_free_entry); size = sb->s_op->quota_write(sb, type, (char *)&dinfo, sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF); if (size != sizeof(struct v2_disk_dqinfo)) { @@ -112,8 +125,11 @@ static int v2_write_file_info(struct super_block *sb, int type) return 0; } -static void disk2memdqb(struct mem_dqblk *m, struct v2_disk_dqblk *d) +static void v2_disk2memdqb(struct dquot *dquot, void *dp) { + struct v2_disk_dqblk *d = dp, empty; + struct mem_dqblk *m = &dquot->dq_dqb; + m->dqb_ihardlimit = le32_to_cpu(d->dqb_ihardlimit); m->dqb_isoftlimit = le32_to_cpu(d->dqb_isoftlimit); m->dqb_curinodes = le32_to_cpu(d->dqb_curinodes); @@ -122,10 +138,20 @@ static void disk2memdqb(struct mem_dqblk *m, struct v2_disk_dqblk *d) m->dqb_bsoftlimit = v2_qbtos(le32_to_cpu(d->dqb_bsoftlimit)); m->dqb_curspace = le64_to_cpu(d->dqb_curspace); m->dqb_btime = le64_to_cpu(d->dqb_btime); + /* We need to escape back all-zero structure */ + memset(&empty, 0, sizeof(struct v2_disk_dqblk)); + empty.dqb_itime = cpu_to_le64(1); + if (!memcmp(&empty, dp, sizeof(struct v2_disk_dqblk))) + m->dqb_itime = 0; } -static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id) +static void v2_mem2diskdqb(void *dp, struct dquot *dquot) { + struct v2_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + struct qtree_mem_dqinfo *info = + &sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i; + d->dqb_ihardlimit = cpu_to_le32(m->dqb_ihardlimit); d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit); d->dqb_curinodes = cpu_to_le32(m->dqb_curinodes); @@ -134,553 +160,35 @@ static void mem2diskdqb(struct v2_disk_dqblk *d, struct mem_dqblk *m, qid_t id) d->dqb_bsoftlimit = cpu_to_le32(v2_stoqb(m->dqb_bsoftlimit)); d->dqb_curspace = cpu_to_le64(m->dqb_curspace); d->dqb_btime = cpu_to_le64(m->dqb_btime); - d->dqb_id = cpu_to_le32(id); -} - -static dqbuf_t getdqbuf(void) -{ - dqbuf_t buf = kmalloc(V2_DQBLKSIZE, GFP_NOFS); - if (!buf) - printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n"); - return buf; -} - -static inline void freedqbuf(dqbuf_t buf) -{ - kfree(buf); -} - -static inline ssize_t read_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf) -{ - memset(buf, 0, V2_DQBLKSIZE); - return sb->s_op->quota_read(sb, type, (char *)buf, - V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS); -} - -static inline ssize_t write_blk(struct super_block *sb, int type, uint blk, dqbuf_t buf) -{ - return sb->s_op->quota_write(sb, type, (char *)buf, - V2_DQBLKSIZE, blk << V2_DQBLKSIZE_BITS); -} - -/* Remove empty block from list and return it */ -static int get_free_dqblk(struct super_block *sb, int type) -{ - dqbuf_t buf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int ret, blk; - - if (!buf) - return -ENOMEM; - if (info->u.v2_i.dqi_free_blk) { - blk = info->u.v2_i.dqi_free_blk; - if ((ret = read_blk(sb, type, blk, buf)) < 0) - goto out_buf; - info->u.v2_i.dqi_free_blk = le32_to_cpu(dh->dqdh_next_free); - } - else { - memset(buf, 0, V2_DQBLKSIZE); - /* Assure block allocation... */ - if ((ret = write_blk(sb, type, info->u.v2_i.dqi_blocks, buf)) < 0) - goto out_buf; - blk = info->u.v2_i.dqi_blocks++; - } - mark_info_dirty(sb, type); - ret = blk; -out_buf: - freedqbuf(buf); - return ret; -} - -/* Insert empty block to the list */ -static int put_free_dqblk(struct super_block *sb, int type, dqbuf_t buf, uint blk) -{ - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int err; - - dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_blk); - dh->dqdh_prev_free = cpu_to_le32(0); - dh->dqdh_entries = cpu_to_le16(0); - info->u.v2_i.dqi_free_blk = blk; - mark_info_dirty(sb, type); - /* Some strange block. We had better leave it... */ - if ((err = write_blk(sb, type, blk, buf)) < 0) - return err; - return 0; + d->dqb_id = cpu_to_le32(dquot->dq_id); + if (qtree_entry_unused(info, dp)) + d->dqb_itime = cpu_to_le64(1); } -/* Remove given block from the list of blocks with free entries */ -static int remove_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk) +static int v2_is_id(void *dp, struct dquot *dquot) { - dqbuf_t tmpbuf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - uint nextblk = le32_to_cpu(dh->dqdh_next_free), prevblk = le32_to_cpu(dh->dqdh_prev_free); - int err; + struct v2_disk_dqblk *d = dp; + struct qtree_mem_dqinfo *info = + &sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i; - if (!tmpbuf) - return -ENOMEM; - if (nextblk) { - if ((err = read_blk(sb, type, nextblk, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = dh->dqdh_prev_free; - if ((err = write_blk(sb, type, nextblk, tmpbuf)) < 0) - goto out_buf; - } - if (prevblk) { - if ((err = read_blk(sb, type, prevblk, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_next_free = dh->dqdh_next_free; - if ((err = write_blk(sb, type, prevblk, tmpbuf)) < 0) - goto out_buf; - } - else { - info->u.v2_i.dqi_free_entry = nextblk; - mark_info_dirty(sb, type); - } - freedqbuf(tmpbuf); - dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0); - /* No matter whether write succeeds block is out of list */ - if (write_blk(sb, type, blk, buf) < 0) - printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk); - return 0; -out_buf: - freedqbuf(tmpbuf); - return err; -} - -/* Insert given block to the beginning of list with free entries */ -static int insert_free_dqentry(struct super_block *sb, int type, dqbuf_t buf, uint blk) -{ - dqbuf_t tmpbuf = getdqbuf(); - struct mem_dqinfo *info = sb_dqinfo(sb, type); - struct v2_disk_dqdbheader *dh = (struct v2_disk_dqdbheader *)buf; - int err; - - if (!tmpbuf) - return -ENOMEM; - dh->dqdh_next_free = cpu_to_le32(info->u.v2_i.dqi_free_entry); - dh->dqdh_prev_free = cpu_to_le32(0); - if ((err = write_blk(sb, type, blk, buf)) < 0) - goto out_buf; - if (info->u.v2_i.dqi_free_entry) { - if ((err = read_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0) - goto out_buf; - ((struct v2_disk_dqdbheader *)tmpbuf)->dqdh_prev_free = cpu_to_le32(blk); - if ((err = write_blk(sb, type, info->u.v2_i.dqi_free_entry, tmpbuf)) < 0) - goto out_buf; - } - freedqbuf(tmpbuf); - info->u.v2_i.dqi_free_entry = blk; - mark_info_dirty(sb, type); - return 0; -out_buf: - freedqbuf(tmpbuf); - return err; -} - -/* Find space for dquot */ -static uint find_free_dqentry(struct dquot *dquot, int *err) -{ - struct super_block *sb = dquot->dq_sb; - struct mem_dqinfo *info = sb_dqopt(sb)->info+dquot->dq_type; - uint blk, i; - struct v2_disk_dqdbheader *dh; - struct v2_disk_dqblk *ddquot; - struct v2_disk_dqblk fakedquot; - dqbuf_t buf; - - *err = 0; - if (!(buf = getdqbuf())) { - *err = -ENOMEM; + if (qtree_entry_unused(info, dp)) return 0; - } - dh = (struct v2_disk_dqdbheader *)buf; - ddquot = GETENTRIES(buf); - if (info->u.v2_i.dqi_free_entry) { - blk = info->u.v2_i.dqi_free_entry; - if ((*err = read_blk(sb, dquot->dq_type, blk, buf)) < 0) - goto out_buf; - } - else { - blk = get_free_dqblk(sb, dquot->dq_type); - if ((int)blk < 0) { - *err = blk; - freedqbuf(buf); - return 0; - } - memset(buf, 0, V2_DQBLKSIZE); - /* This is enough as block is already zeroed and entry list is empty... */ - info->u.v2_i.dqi_free_entry = blk; - mark_info_dirty(sb, dquot->dq_type); - } - if (le16_to_cpu(dh->dqdh_entries)+1 >= V2_DQSTRINBLK) /* Block will be full? */ - if ((*err = remove_free_dqentry(sb, dquot->dq_type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: find_free_dqentry(): Can't remove block (%u) from entry free list.\n", blk); - goto out_buf; - } - le16_add_cpu(&dh->dqdh_entries, 1); - memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk)); - /* Find free structure in block */ - for (i = 0; i < V2_DQSTRINBLK && memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk)); i++); -#ifdef __QUOTA_V2_PARANOIA - if (i == V2_DQSTRINBLK) { - printk(KERN_ERR "VFS: find_free_dqentry(): Data block full but it shouldn't.\n"); - *err = -EIO; - goto out_buf; - } -#endif - if ((*err = write_blk(sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: find_free_dqentry(): Can't write quota data block %u.\n", blk); - goto out_buf; - } - dquot->dq_off = (blk<dqb_id) == dquot->dq_id; } -/* Insert reference to structure into the trie */ -static int do_insert_tree(struct dquot *dquot, uint *treeblk, int depth) -{ - struct super_block *sb = dquot->dq_sb; - dqbuf_t buf; - int ret = 0, newson = 0, newact = 0; - __le32 *ref; - uint newblk; - - if (!(buf = getdqbuf())) - return -ENOMEM; - if (!*treeblk) { - ret = get_free_dqblk(sb, dquot->dq_type); - if (ret < 0) - goto out_buf; - *treeblk = ret; - memset(buf, 0, V2_DQBLKSIZE); - newact = 1; - } - else { - if ((ret = read_blk(sb, dquot->dq_type, *treeblk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read tree quota block %u.\n", *treeblk); - goto out_buf; - } - } - ref = (__le32 *)buf; - newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (!newblk) - newson = 1; - if (depth == V2_DQTREEDEPTH-1) { -#ifdef __QUOTA_V2_PARANOIA - if (newblk) { - printk(KERN_ERR "VFS: Inserting already present quota entry (block %u).\n", le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)])); - ret = -EIO; - goto out_buf; - } -#endif - newblk = find_free_dqentry(dquot, &ret); - } - else - ret = do_insert_tree(dquot, &newblk, depth+1); - if (newson && ret >= 0) { - ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(newblk); - ret = write_blk(sb, dquot->dq_type, *treeblk, buf); - } - else if (newact && ret < 0) - put_free_dqblk(sb, dquot->dq_type, buf, *treeblk); -out_buf: - freedqbuf(buf); - return ret; -} - -/* Wrapper for inserting quota structure into tree */ -static inline int dq_insert_tree(struct dquot *dquot) +static int v2_read_dquot(struct dquot *dquot) { - int tmp = V2_DQTREEOFF; - return do_insert_tree(dquot, &tmp, 0); + return qtree_read_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); } -/* - * We don't have to be afraid of deadlocks as we never have quotas on quota files... - */ static int v2_write_dquot(struct dquot *dquot) { - int type = dquot->dq_type; - ssize_t ret; - struct v2_disk_dqblk ddquot, empty; - - /* dq_off is guarded by dqio_mutex */ - if (!dquot->dq_off) - if ((ret = dq_insert_tree(dquot)) < 0) { - printk(KERN_ERR "VFS: Error %zd occurred while creating quota.\n", ret); - return ret; - } - spin_lock(&dq_data_lock); - mem2diskdqb(&ddquot, &dquot->dq_dqb, dquot->dq_id); - /* Argh... We may need to write structure full of zeroes but that would be - * treated as an empty place by the rest of the code. Format change would - * be definitely cleaner but the problems probably are not worth it */ - memset(&empty, 0, sizeof(struct v2_disk_dqblk)); - if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk))) - ddquot.dqb_itime = cpu_to_le64(1); - spin_unlock(&dq_data_lock); - ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type, - (char *)&ddquot, sizeof(struct v2_disk_dqblk), dquot->dq_off); - if (ret != sizeof(struct v2_disk_dqblk)) { - printk(KERN_WARNING "VFS: dquota write failed on dev %s\n", dquot->dq_sb->s_id); - if (ret >= 0) - ret = -ENOSPC; - } - else - ret = 0; - dqstats.writes++; - - return ret; + return qtree_write_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); } -/* Free dquot entry in data block */ -static int free_dqentry(struct dquot *dquot, uint blk) -{ - struct super_block *sb = dquot->dq_sb; - int type = dquot->dq_type; - struct v2_disk_dqdbheader *dh; - dqbuf_t buf = getdqbuf(); - int ret = 0; - - if (!buf) - return -ENOMEM; - if (dquot->dq_off >> V2_DQBLKSIZE_BITS != blk) { - printk(KERN_ERR "VFS: Quota structure has offset to other " - "block (%u) than it should (%u).\n", blk, - (uint)(dquot->dq_off >> V2_DQBLKSIZE_BITS)); - goto out_buf; - } - if ((ret = read_blk(sb, type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota data block %u\n", blk); - goto out_buf; - } - dh = (struct v2_disk_dqdbheader *)buf; - le16_add_cpu(&dh->dqdh_entries, -1); - if (!le16_to_cpu(dh->dqdh_entries)) { /* Block got free? */ - if ((ret = remove_free_dqentry(sb, type, buf, blk)) < 0 || - (ret = put_free_dqblk(sb, type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: Can't move quota data block (%u) " - "to free list.\n", blk); - goto out_buf; - } - } - else { - memset(buf+(dquot->dq_off & ((1 << V2_DQBLKSIZE_BITS)-1)), 0, - sizeof(struct v2_disk_dqblk)); - if (le16_to_cpu(dh->dqdh_entries) == V2_DQSTRINBLK-1) { - /* Insert will write block itself */ - if ((ret = insert_free_dqentry(sb, type, buf, blk)) < 0) { - printk(KERN_ERR "VFS: Can't insert quota data block (%u) to free entry list.\n", blk); - goto out_buf; - } - } - else - if ((ret = write_blk(sb, type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't write quota data " - "block %u\n", blk); - goto out_buf; - } - } - dquot->dq_off = 0; /* Quota is now unattached */ -out_buf: - freedqbuf(buf); - return ret; -} - -/* Remove reference to dquot from tree */ -static int remove_tree(struct dquot *dquot, uint *blk, int depth) -{ - struct super_block *sb = dquot->dq_sb; - int type = dquot->dq_type; - dqbuf_t buf = getdqbuf(); - int ret = 0; - uint newblk; - __le32 *ref = (__le32 *)buf; - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(sb, type, *blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota data block %u\n", *blk); - goto out_buf; - } - newblk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (depth == V2_DQTREEDEPTH-1) { - ret = free_dqentry(dquot, newblk); - newblk = 0; - } - else - ret = remove_tree(dquot, &newblk, depth+1); - if (ret >= 0 && !newblk) { - int i; - ref[GETIDINDEX(dquot->dq_id, depth)] = cpu_to_le32(0); - for (i = 0; i < V2_DQBLKSIZE && !buf[i]; i++); /* Block got empty? */ - /* Don't put the root block into the free block list */ - if (i == V2_DQBLKSIZE && *blk != V2_DQTREEOFF) { - put_free_dqblk(sb, type, buf, *blk); - *blk = 0; - } - else - if ((ret = write_blk(sb, type, *blk, buf)) < 0) - printk(KERN_ERR "VFS: Can't write quota tree " - "block %u.\n", *blk); - } -out_buf: - freedqbuf(buf); - return ret; -} - -/* Delete dquot from tree */ -static int v2_delete_dquot(struct dquot *dquot) -{ - uint tmp = V2_DQTREEOFF; - - if (!dquot->dq_off) /* Even not allocated? */ - return 0; - return remove_tree(dquot, &tmp, 0); -} - -/* Find entry in block */ -static loff_t find_block_dqentry(struct dquot *dquot, uint blk) -{ - dqbuf_t buf = getdqbuf(); - loff_t ret = 0; - int i; - struct v2_disk_dqblk *ddquot = GETENTRIES(buf); - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); - goto out_buf; - } - if (dquot->dq_id) - for (i = 0; i < V2_DQSTRINBLK && - le32_to_cpu(ddquot[i].dqb_id) != dquot->dq_id; i++); - else { /* ID 0 as a bit more complicated searching... */ - struct v2_disk_dqblk fakedquot; - - memset(&fakedquot, 0, sizeof(struct v2_disk_dqblk)); - for (i = 0; i < V2_DQSTRINBLK; i++) - if (!le32_to_cpu(ddquot[i].dqb_id) && - memcmp(&fakedquot, ddquot+i, sizeof(struct v2_disk_dqblk))) - break; - } - if (i == V2_DQSTRINBLK) { - printk(KERN_ERR "VFS: Quota for id %u referenced " - "but not present.\n", dquot->dq_id); - ret = -EIO; - goto out_buf; - } - else - ret = (blk << V2_DQBLKSIZE_BITS) + sizeof(struct - v2_disk_dqdbheader) + i * sizeof(struct v2_disk_dqblk); -out_buf: - freedqbuf(buf); - return ret; -} - -/* Find entry for given id in the tree */ -static loff_t find_tree_dqentry(struct dquot *dquot, uint blk, int depth) -{ - dqbuf_t buf = getdqbuf(); - loff_t ret = 0; - __le32 *ref = (__le32 *)buf; - - if (!buf) - return -ENOMEM; - if ((ret = read_blk(dquot->dq_sb, dquot->dq_type, blk, buf)) < 0) { - printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk); - goto out_buf; - } - ret = 0; - blk = le32_to_cpu(ref[GETIDINDEX(dquot->dq_id, depth)]); - if (!blk) /* No reference? */ - goto out_buf; - if (depth < V2_DQTREEDEPTH-1) - ret = find_tree_dqentry(dquot, blk, depth+1); - else - ret = find_block_dqentry(dquot, blk); -out_buf: - freedqbuf(buf); - return ret; -} - -/* Find entry for given id in the tree - wrapper function */ -static inline loff_t find_dqentry(struct dquot *dquot) -{ - return find_tree_dqentry(dquot, V2_DQTREEOFF, 0); -} - -static int v2_read_dquot(struct dquot *dquot) -{ - int type = dquot->dq_type; - loff_t offset; - struct v2_disk_dqblk ddquot, empty; - int ret = 0; - -#ifdef __QUOTA_V2_PARANOIA - /* Invalidated quota? */ - if (!dquot->dq_sb || !sb_dqopt(dquot->dq_sb)->files[type]) { - printk(KERN_ERR "VFS: Quota invalidated while reading!\n"); - return -EIO; - } -#endif - offset = find_dqentry(dquot); - if (offset <= 0) { /* Entry not present? */ - if (offset < 0) - printk(KERN_ERR "VFS: Can't read quota " - "structure for id %u.\n", dquot->dq_id); - dquot->dq_off = 0; - set_bit(DQ_FAKE_B, &dquot->dq_flags); - memset(&dquot->dq_dqb, 0, sizeof(struct mem_dqblk)); - ret = offset; - } - else { - dquot->dq_off = offset; - if ((ret = dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, - (char *)&ddquot, sizeof(struct v2_disk_dqblk), offset)) - != sizeof(struct v2_disk_dqblk)) { - if (ret >= 0) - ret = -EIO; - printk(KERN_ERR "VFS: Error while reading quota " - "structure for id %u.\n", dquot->dq_id); - memset(&ddquot, 0, sizeof(struct v2_disk_dqblk)); - } - else { - ret = 0; - /* We need to escape back all-zero structure */ - memset(&empty, 0, sizeof(struct v2_disk_dqblk)); - empty.dqb_itime = cpu_to_le64(1); - if (!memcmp(&empty, &ddquot, sizeof(struct v2_disk_dqblk))) - ddquot.dqb_itime = 0; - } - disk2memdqb(&dquot->dq_dqb, &ddquot); - if (!dquot->dq_dqb.dqb_bhardlimit && - !dquot->dq_dqb.dqb_bsoftlimit && - !dquot->dq_dqb.dqb_ihardlimit && - !dquot->dq_dqb.dqb_isoftlimit) - set_bit(DQ_FAKE_B, &dquot->dq_flags); - } - dqstats.reads++; - - return ret; -} - -/* Check whether dquot should not be deleted. We know we are - * the only one operating on dquot (thanks to dq_lock) */ static int v2_release_dquot(struct dquot *dquot) { - if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace)) - return v2_delete_dquot(dquot); - return 0; + return qtree_release_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); } static struct quota_format_ops v2_format_ops = { diff --git a/fs/quotaio_v2.h b/fs/quotaio_v2.h index 303d7cb..530fe58 100644 --- a/fs/quotaio_v2.h +++ b/fs/quotaio_v2.h @@ -21,6 +21,12 @@ 0 /* GRPQUOTA */\ } +/* First generic header */ +struct v2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* File version */ +}; + /* * The following structure defines the format of the disk quota file * (as it appears on disk) - the file is a radix tree whose leaves point @@ -38,15 +44,6 @@ struct v2_disk_dqblk { __le64 dqb_itime; /* time limit for excessive inode use */ }; -/* - * Here are header structures as written on disk and their in-memory copies - */ -/* First generic header */ -struct v2_disk_dqheader { - __le32 dqh_magic; /* Magic number identifying file */ - __le32 dqh_version; /* File version */ -}; - /* Header with type and version specific information */ struct v2_disk_dqinfo { __le32 dqi_bgrace; /* Time before block soft limit becomes hard limit */ @@ -57,23 +54,7 @@ struct v2_disk_dqinfo { __le32 dqi_free_entry; /* Number of block with at least one free entry */ }; -/* - * Structure of header of block with quota structures. It is padded to 16 bytes so - * there will be space for exactly 21 quota-entries in a block - */ -struct v2_disk_dqdbheader { - __le32 dqdh_next_free; /* Number of next block with free entry */ - __le32 dqdh_prev_free; /* Number of previous block with free entry */ - __le16 dqdh_entries; /* Number of valid entries in block */ - __le16 dqdh_pad1; - __le32 dqdh_pad2; -}; - #define V2_DQINFOOFF sizeof(struct v2_disk_dqheader) /* Offset of info header in file */ -#define V2_DQBLKSIZE_BITS 10 -#define V2_DQBLKSIZE (1 << V2_DQBLKSIZE_BITS) /* Size of block with quota structures */ -#define V2_DQTREEOFF 1 /* Offset of tree in file in blocks */ -#define V2_DQTREEDEPTH 4 /* Depth of quota tree */ -#define V2_DQSTRINBLK ((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk)) /* Number of entries in one blocks */ +#define V2_DQBLKSIZE_BITS 10 /* Size of leaf block in tree */ #endif /* _LINUX_QUOTAIO_V2_H */ diff --git a/include/linux/dqblk_qtree.h b/include/linux/dqblk_qtree.h new file mode 100644 index 0000000..82a1652 --- /dev/null +++ b/include/linux/dqblk_qtree.h @@ -0,0 +1,56 @@ +/* + * Definitions of structures and functions for quota formats using trie + */ + +#ifndef _LINUX_DQBLK_QTREE_H +#define _LINUX_DQBLK_QTREE_H + +#include + +/* Numbers of blocks needed for updates - we count with the smallest + * possible block size (1024) */ +#define QTREE_INIT_ALLOC 4 +#define QTREE_INIT_REWRITE 2 +#define QTREE_DEL_ALLOC 0 +#define QTREE_DEL_REWRITE 6 + +struct dquot; + +/* Operations */ +struct qtree_fmt_operations { + void (*mem2disk_dqblk)(void *disk, struct dquot *dquot); /* Convert given entry from in memory format to disk one */ + void (*disk2mem_dqblk)(struct dquot *dquot, void *disk); /* Convert given entry from disk format to in memory one */ + int (*is_id)(void *disk, struct dquot *dquot); /* Is this structure for given id? */ +}; + +/* Inmemory copy of version specific information */ +struct qtree_mem_dqinfo { + struct super_block *dqi_sb; /* Sb quota is on */ + int dqi_type; /* Quota type */ + unsigned int dqi_blocks; /* # of blocks in quota file */ + unsigned int dqi_free_blk; /* First block in list of free blocks */ + unsigned int dqi_free_entry; /* First block with free entry */ + unsigned int dqi_blocksize_bits; /* Block size of quota file */ + unsigned int dqi_entry_size; /* Size of quota entry in quota file */ + unsigned int dqi_usable_bs; /* Space usable in block for quota data */ + unsigned int dqi_qtree_depth; /* Precomputed depth of quota tree */ + struct qtree_fmt_operations *dqi_ops; /* Operations for entry manipulation */ +}; + +int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_read_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_delete_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot); +int qtree_entry_unused(struct qtree_mem_dqinfo *info, char *disk); +static inline int qtree_depth(struct qtree_mem_dqinfo *info) +{ + unsigned int epb = info->dqi_usable_bs >> 2; + unsigned long long entries = epb; + int i; + + for (i = 1; entries < (1ULL << 32); i++) + entries *= epb; + return i; +} + +#endif /* _LINUX_DQBLK_QTREE_H */ diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h index 4f85332..e5e22a7 100644 --- a/include/linux/dqblk_v2.h +++ b/include/linux/dqblk_v2.h @@ -1,26 +1,23 @@ /* - * Definitions of structures for vfsv0 quota format + * Definitions for vfsv0 quota format */ #ifndef _LINUX_DQBLK_V2_H #define _LINUX_DQBLK_V2_H -#include +#include -/* id numbers of quota format */ +/* Id number of quota format */ #define QFMT_VFS_V0 2 /* Numbers of blocks needed for updates */ -#define V2_INIT_ALLOC 4 -#define V2_INIT_REWRITE 2 -#define V2_DEL_ALLOC 0 -#define V2_DEL_REWRITE 6 +#define V2_INIT_ALLOC QTREE_INIT_ALLOC +#define V2_INIT_REWRITE QTREE_INIT_REWRITE +#define V2_DEL_ALLOC QTREE_DEL_ALLOC +#define V2_DEL_REWRITE QTREE_DEL_REWRITE -/* Inmemory copy of version specific information */ struct v2_mem_dqinfo { - unsigned int dqi_blocks; - unsigned int dqi_free_blk; - unsigned int dqi_free_entry; + struct qtree_mem_dqinfo i; }; #endif /* _LINUX_DQBLK_V2_H */ -- cgit v0.10.2 From e3d4d56b9715e40ded2a84d0d4fa7f3b6c58983c Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 2 Oct 2008 18:44:14 +0200 Subject: quota: Convert union in mem_dqinfo to a pointer Coming quota support for OCFS2 is going to need quite a bit of additional per-sb quota information. Moreover having fs.h include all the types needed for this structure would be a pain in the a**. So remove the union from mem_dqinfo and add a private pointer for filesystem's use. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/quota_v2.c b/fs/quota_v2.c index a87f102..b618b56 100644 --- a/fs/quota_v2.c +++ b/fs/quota_v2.c @@ -71,6 +71,7 @@ static int v2_read_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct qtree_mem_dqinfo *qinfo; ssize_t size; size = sb->s_op->quota_read(sb, type, (char *)&dinfo, @@ -80,22 +81,29 @@ static int v2_read_file_info(struct super_block *sb, int type) sb->s_id); return -1; } + info->dqi_priv = kmalloc(sizeof(struct qtree_mem_dqinfo), GFP_NOFS); + if (!info->dqi_priv) { + printk(KERN_WARNING + "Not enough memory for quota information structure.\n"); + return -1; + } + qinfo = info->dqi_priv; /* limits are stored as unsigned 32-bit data */ info->dqi_maxblimit = 0xffffffff; info->dqi_maxilimit = 0xffffffff; info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); info->dqi_flags = le32_to_cpu(dinfo.dqi_flags); - info->u.v2_i.i.dqi_sb = sb; - info->u.v2_i.i.dqi_type = type; - info->u.v2_i.i.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); - info->u.v2_i.i.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); - info->u.v2_i.i.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); - info->u.v2_i.i.dqi_blocksize_bits = V2_DQBLKSIZE_BITS; - info->u.v2_i.i.dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS; - info->u.v2_i.i.dqi_qtree_depth = qtree_depth(&info->u.v2_i.i); - info->u.v2_i.i.dqi_entry_size = sizeof(struct v2_disk_dqblk); - info->u.v2_i.i.dqi_ops = &v2_qtree_ops; + qinfo->dqi_sb = sb; + qinfo->dqi_type = type; + qinfo->dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); + qinfo->dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); + qinfo->dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + qinfo->dqi_blocksize_bits = V2_DQBLKSIZE_BITS; + qinfo->dqi_usable_bs = 1 << V2_DQBLKSIZE_BITS; + qinfo->dqi_qtree_depth = qtree_depth(qinfo); + qinfo->dqi_entry_size = sizeof(struct v2_disk_dqblk); + qinfo->dqi_ops = &v2_qtree_ops; return 0; } @@ -104,6 +112,7 @@ static int v2_write_file_info(struct super_block *sb, int type) { struct v2_disk_dqinfo dinfo; struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct qtree_mem_dqinfo *qinfo = info->dqi_priv; ssize_t size; spin_lock(&dq_data_lock); @@ -112,9 +121,9 @@ static int v2_write_file_info(struct super_block *sb, int type) dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace); dinfo.dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK); spin_unlock(&dq_data_lock); - dinfo.dqi_blocks = cpu_to_le32(info->u.v2_i.i.dqi_blocks); - dinfo.dqi_free_blk = cpu_to_le32(info->u.v2_i.i.dqi_free_blk); - dinfo.dqi_free_entry = cpu_to_le32(info->u.v2_i.i.dqi_free_entry); + dinfo.dqi_blocks = cpu_to_le32(qinfo->dqi_blocks); + dinfo.dqi_free_blk = cpu_to_le32(qinfo->dqi_free_blk); + dinfo.dqi_free_entry = cpu_to_le32(qinfo->dqi_free_entry); size = sb->s_op->quota_write(sb, type, (char *)&dinfo, sizeof(struct v2_disk_dqinfo), V2_DQINFOOFF); if (size != sizeof(struct v2_disk_dqinfo)) { @@ -150,7 +159,7 @@ static void v2_mem2diskdqb(void *dp, struct dquot *dquot) struct v2_disk_dqblk *d = dp; struct mem_dqblk *m = &dquot->dq_dqb; struct qtree_mem_dqinfo *info = - &sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i; + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; d->dqb_ihardlimit = cpu_to_le32(m->dqb_ihardlimit); d->dqb_isoftlimit = cpu_to_le32(m->dqb_isoftlimit); @@ -169,7 +178,7 @@ static int v2_is_id(void *dp, struct dquot *dquot) { struct v2_disk_dqblk *d = dp; struct qtree_mem_dqinfo *info = - &sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i; + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; if (qtree_entry_unused(info, dp)) return 0; @@ -178,24 +187,30 @@ static int v2_is_id(void *dp, struct dquot *dquot) static int v2_read_dquot(struct dquot *dquot) { - return qtree_read_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); + return qtree_read_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); } static int v2_write_dquot(struct dquot *dquot) { - return qtree_write_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); + return qtree_write_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); } static int v2_release_dquot(struct dquot *dquot) { - return qtree_release_dquot(&sb_dqinfo(dquot->dq_sb, dquot->dq_type)->u.v2_i.i, dquot); + return qtree_release_dquot(sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv, dquot); +} + +static int v2_free_file_info(struct super_block *sb, int type) +{ + kfree(sb_dqinfo(sb, type)->dqi_priv); + return 0; } static struct quota_format_ops v2_format_ops = { .check_quota_file = v2_check_quota_file, .read_file_info = v2_read_file_info, .write_file_info = v2_write_file_info, - .free_file_info = NULL, + .free_file_info = v2_free_file_info, .read_dqblk = v2_read_dquot, .commit_dqblk = v2_write_dquot, .release_dqblk = v2_release_dquot, diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h index 57f1250..9cea901 100644 --- a/include/linux/dqblk_v1.h +++ b/include/linux/dqblk_v1.h @@ -17,8 +17,4 @@ #define V1_DEL_ALLOC 0 #define V1_DEL_REWRITE 2 -/* Special information about quotafile */ -struct v1_mem_dqinfo { -}; - #endif /* _LINUX_DQBLK_V1_H */ diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h index e5e22a7..ff8af1b 100644 --- a/include/linux/dqblk_v2.h +++ b/include/linux/dqblk_v2.h @@ -16,8 +16,4 @@ #define V2_DEL_ALLOC QTREE_DEL_ALLOC #define V2_DEL_REWRITE QTREE_DEL_REWRITE -struct v2_mem_dqinfo { - struct qtree_mem_dqinfo i; -}; - #endif /* _LINUX_DQBLK_V2_H */ diff --git a/include/linux/quota.h b/include/linux/quota.h index 80b8807..e51dfdc 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -208,10 +208,7 @@ struct mem_dqinfo { unsigned int dqi_igrace; qsize_t dqi_maxblimit; qsize_t dqi_maxilimit; - union { - struct v1_mem_dqinfo v1_i; - struct v2_mem_dqinfo v2_i; - } u; + void *dqi_priv; }; struct super_block; -- cgit v0.10.2 From db49d2df489f727096438706a5428115e84a3f0d Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 1 Oct 2008 18:21:39 +0200 Subject: quota: Allow negative usage of space and inodes For clustered filesystems, it can happen that space / inode usage goes negative temporarily (because some node is allocating another node is freeing and they are not completely in sync). So let quota code allow this and change qsize_t so a signed type so that we don't underflow the variables. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 74185c3..9c78ffe 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -847,7 +847,8 @@ static inline void dquot_incr_space(struct dquot *dquot, qsize_t number) static inline void dquot_decr_inodes(struct dquot *dquot, qsize_t number) { - if (dquot->dq_dqb.dqb_curinodes > number) + if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE || + dquot->dq_dqb.dqb_curinodes >= number) dquot->dq_dqb.dqb_curinodes -= number; else dquot->dq_dqb.dqb_curinodes = 0; @@ -858,7 +859,8 @@ static inline void dquot_decr_inodes(struct dquot *dquot, qsize_t number) static inline void dquot_decr_space(struct dquot *dquot, qsize_t number) { - if (dquot->dq_dqb.dqb_curspace > number) + if (sb_dqopt(dquot->dq_sb)->flags & DQUOT_NEGATIVE_USAGE || + dquot->dq_dqb.dqb_curspace >= number) dquot->dq_dqb.dqb_curspace -= number; else dquot->dq_dqb.dqb_curspace = 0; diff --git a/include/linux/quota.h b/include/linux/quota.h index e51dfdc..75bf761 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -168,7 +168,7 @@ enum { #include typedef __kernel_uid32_t qid_t; /* Type in which we store ids in memory */ -typedef __u64 qsize_t; /* Type in which we store sizes */ +typedef long long qsize_t; /* Type in which we store sizes */ extern spinlock_t dq_data_lock; @@ -336,6 +336,7 @@ enum { * responsible for setting * S_NOQUOTA, S_NOATIME flags */ +#define DQUOT_NEGATIVE_USAGE (1 << 7) /* Allow negative quota usage */ static inline unsigned int dquot_state_flag(unsigned int flags, int type) { -- cgit v0.10.2 From 4d59bce4f9eaf26d6d9046b56a2f1c0c7f20981d Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 2 Oct 2008 16:48:10 +0200 Subject: quota: Keep which entries were set by SETQUOTA quotactl Quota in a clustered environment needs to synchronize quota information among cluster nodes. This means we have to occasionally update some information in dquot from disk / network. On the other hand we have to be careful not to overwrite changes administrator did via SETQUOTA. So indicate in dquot->dq_flags which entries have been set by SETQUOTA and quota format can clear these flags when it properly propagated the changes. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 9c78ffe..8922672 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -2010,25 +2010,33 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di) if (di->dqb_valid & QIF_SPACE) { dm->dqb_curspace = di->dqb_curspace; check_blim = 1; + __set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_BLIMITS) { dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit); dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit); check_blim = 1; + __set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_INODES) { dm->dqb_curinodes = di->dqb_curinodes; check_ilim = 1; + __set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_ILIMITS) { dm->dqb_isoftlimit = di->dqb_isoftlimit; dm->dqb_ihardlimit = di->dqb_ihardlimit; check_ilim = 1; + __set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); } - if (di->dqb_valid & QIF_BTIME) + if (di->dqb_valid & QIF_BTIME) { dm->dqb_btime = di->dqb_btime; - if (di->dqb_valid & QIF_ITIME) + __set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); + } + if (di->dqb_valid & QIF_ITIME) { dm->dqb_itime = di->dqb_itime; + __set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); + } if (check_blim) { if (!dm->dqb_bsoftlimit || dm->dqb_curspace < dm->dqb_bsoftlimit) { diff --git a/include/linux/quota.h b/include/linux/quota.h index 75bf761..6d98885 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -80,12 +80,21 @@ * Quota structure used for communication with userspace via quotactl * Following flags are used to specify which fields are valid */ -#define QIF_BLIMITS 1 -#define QIF_SPACE 2 -#define QIF_ILIMITS 4 -#define QIF_INODES 8 -#define QIF_BTIME 16 -#define QIF_ITIME 32 +enum { + QIF_BLIMITS_B = 0, + QIF_SPACE_B, + QIF_ILIMITS_B, + QIF_INODES_B, + QIF_BTIME_B, + QIF_ITIME_B, +}; + +#define QIF_BLIMITS (1 << QIF_BLIMITS_B) +#define QIF_SPACE (1 << QIF_SPACE_B) +#define QIF_ILIMITS (1 << QIF_ILIMITS_B) +#define QIF_INODES (1 << QIF_INODES_B) +#define QIF_BTIME (1 << QIF_BTIME_B) +#define QIF_ITIME (1 << QIF_ITIME_B) #define QIF_LIMITS (QIF_BLIMITS | QIF_ILIMITS) #define QIF_USAGE (QIF_SPACE | QIF_INODES) #define QIF_TIMES (QIF_BTIME | QIF_ITIME) @@ -242,6 +251,11 @@ extern struct dqstats dqstats; #define DQ_FAKE_B 3 /* no limits only usage */ #define DQ_READ_B 4 /* dquot was read into memory */ #define DQ_ACTIVE_B 5 /* dquot is active (dquot_release not called) */ +#define DQ_LASTSET_B 6 /* Following 6 bits (see QIF_) are reserved\ + * for the mask of entries set via SETQUOTA\ + * quotactl. They are set under dq_data_lock\ + * and the quota format handling dquot can\ + * clear them when it sees fit. */ struct dquot { struct hlist_node dq_hash; /* Hash list in memory */ -- cgit v0.10.2 From 571b46e40bebb0d57130ca24c4a84dfd553adb91 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 30 Oct 2008 09:17:52 +0100 Subject: quota: Update version number Increase reported version number of quota support since quota core has changed significantly. Also remove __DQUOT_NUM_VERSION__ since nobody uses it. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/include/linux/quota.h b/include/linux/quota.h index 6d98885..ec82beb 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -36,8 +36,7 @@ #include #include -#define __DQUOT_VERSION__ "dquot_6.5.1" -#define __DQUOT_NUM_VERSION__ 6*10000+5*100+1 +#define __DQUOT_VERSION__ "dquot_6.5.2" #define MAXQUOTAS 2 #define USRQUOTA 0 /* element used for user quotas */ -- cgit v0.10.2 From 3d9ea253a0e73dccaa869888ec2ceb17ea76c810 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Fri, 10 Oct 2008 16:12:23 +0200 Subject: quota: Add helpers to allow ocfs2 specific quota initialization, freeing and recovery OCFS2 needs to peek whether quota structure is already in memory so that it can avoid expensive cluster locking in that case. Similarly when freeing dquots, it checks whether it is the last quota structure user or not. Finally, it needs to get reference to dquot structure for specified id and quota type when recovering quota file after crash. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 8922672..ae8fd9e 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -211,8 +211,6 @@ static struct hlist_head *dquot_hash; struct dqstats dqstats; -static void dqput(struct dquot *dquot); - static inline unsigned int hashfn(const struct super_block *sb, unsigned int id, int type) { @@ -568,7 +566,7 @@ static struct shrinker dqcache_shrinker = { * NOTE: If you change this function please check whether dqput_blocks() works right... * MUST be called with either dqptr_sem or dqonoff_mutex held */ -static void dqput(struct dquot *dquot) +void dqput(struct dquot *dquot) { int ret; @@ -662,10 +660,28 @@ static struct dquot *get_empty_dquot(struct super_block *sb, int type) } /* + * Check whether dquot is in memory. + * MUST be called with either dqptr_sem or dqonoff_mutex held + */ +int dquot_is_cached(struct super_block *sb, unsigned int id, int type) +{ + unsigned int hashent = hashfn(sb, id, type); + int ret = 0; + + if (!sb_has_quota_active(sb, type)) + return 0; + spin_lock(&dq_list_lock); + if (find_dquot(hashent, sb, id, type) != NODQUOT) + ret = 1; + spin_unlock(&dq_list_lock); + return ret; +} + +/* * Get reference to dquot * MUST be called with either dqptr_sem or dqonoff_mutex held */ -static struct dquot *dqget(struct super_block *sb, unsigned int id, int type) +struct dquot *dqget(struct super_block *sb, unsigned int id, int type) { unsigned int hashent = hashfn(sb, id, type); struct dquot *dquot, *empty = NODQUOT; @@ -1184,17 +1200,23 @@ out_err: * Release all quotas referenced by inode * Transaction must be started at an entry */ -int dquot_drop(struct inode *inode) +int dquot_drop_locked(struct inode *inode) { int cnt; - down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); for (cnt = 0; cnt < MAXQUOTAS; cnt++) { if (inode->i_dquot[cnt] != NODQUOT) { dqput(inode->i_dquot[cnt]); inode->i_dquot[cnt] = NODQUOT; } } + return 0; +} + +int dquot_drop(struct inode *inode) +{ + down_write(&sb_dqopt(inode->i_sb)->dqptr_sem); + dquot_drop_locked(inode); up_write(&sb_dqopt(inode->i_sb)->dqptr_sem); return 0; } @@ -2308,7 +2330,11 @@ EXPORT_SYMBOL(dquot_release); EXPORT_SYMBOL(dquot_mark_dquot_dirty); EXPORT_SYMBOL(dquot_initialize); EXPORT_SYMBOL(dquot_drop); +EXPORT_SYMBOL(dquot_drop_locked); EXPORT_SYMBOL(vfs_dq_drop); +EXPORT_SYMBOL(dqget); +EXPORT_SYMBOL(dqput); +EXPORT_SYMBOL(dquot_is_cached); EXPORT_SYMBOL(dquot_alloc_space); EXPORT_SYMBOL(dquot_alloc_inode); EXPORT_SYMBOL(dquot_free_space); diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index e840ca52..e3a1027 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -24,6 +24,10 @@ void sync_dquots(struct super_block *sb, int type); int dquot_initialize(struct inode *inode, int type); int dquot_drop(struct inode *inode); +int dquot_drop_locked(struct inode *inode); +struct dquot *dqget(struct super_block *sb, unsigned int id, int type); +void dqput(struct dquot *dquot); +int dquot_is_cached(struct super_block *sb, unsigned int id, int type); int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc); int dquot_alloc_inode(const struct inode *inode, qsize_t number); -- cgit v0.10.2 From 12c77527e4138bc3b17d17b0e0c909e4fc84924f Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 20 Oct 2008 17:05:00 +0200 Subject: quota: Implement function for scanning active dquots OCFS2 needs to scan all active dquots once in a while and sync quota information among cluster nodes. Provide a helper function for it so that it does not have to reimplement internally a list which VFS already has. Moreover this function is probably going to be useful for other clustered filesystems if they decide to use VFS quotas. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index ae8fd9e..075dc76 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -476,6 +476,41 @@ restart: spin_unlock(&dq_list_lock); } +/* Call callback for every active dquot on given filesystem */ +int dquot_scan_active(struct super_block *sb, + int (*fn)(struct dquot *dquot, unsigned long priv), + unsigned long priv) +{ + struct dquot *dquot, *old_dquot = NULL; + int ret = 0; + + mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); + spin_lock(&dq_list_lock); + list_for_each_entry(dquot, &inuse_list, dq_inuse) { + if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) + continue; + if (dquot->dq_sb != sb) + continue; + /* Now we have active dquot so we can just increase use count */ + atomic_inc(&dquot->dq_count); + dqstats.lookups++; + spin_unlock(&dq_list_lock); + dqput(old_dquot); + old_dquot = dquot; + ret = fn(dquot, priv); + if (ret < 0) + goto out; + spin_lock(&dq_list_lock); + /* We are safe to continue now because our dquot could not + * be moved out of the inuse list while we hold the reference */ + } + spin_unlock(&dq_list_lock); +out: + dqput(old_dquot); + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); + return ret; +} + int vfs_quota_sync(struct super_block *sb, int type) { struct list_head *dirty; @@ -2318,6 +2353,7 @@ EXPORT_SYMBOL(vfs_quota_on_path); EXPORT_SYMBOL(vfs_quota_on_mount); EXPORT_SYMBOL(vfs_quota_disable); EXPORT_SYMBOL(vfs_quota_off); +EXPORT_SYMBOL(dquot_scan_active); EXPORT_SYMBOL(vfs_quota_sync); EXPORT_SYMBOL(vfs_get_dqinfo); EXPORT_SYMBOL(vfs_set_dqinfo); diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index e3a1027..f491394 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -28,6 +28,9 @@ int dquot_drop_locked(struct inode *inode); struct dquot *dqget(struct super_block *sb, unsigned int id, int type); void dqput(struct dquot *dquot); int dquot_is_cached(struct super_block *sb, unsigned int id, int type); +int dquot_scan_active(struct super_block *sb, + int (*fn)(struct dquot *dquot, unsigned long priv), + unsigned long priv); int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc); int dquot_alloc_inode(const struct inode *inode, qsize_t number); -- cgit v0.10.2 From 90e86a63eadf1a3b2f19b68d82150dc63fe01443 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 27 Aug 2008 22:30:28 +0200 Subject: ocfs2: Support nested transactions OCFS2 can easily support nested transactions. We just have to take care and not spoil statistics acquire semaphore unnecessarily. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 12b62a3..11a1178 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -256,11 +256,9 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE); BUG_ON(max_buffs <= 0); - /* JBD might support this, but our journalling code doesn't yet. */ - if (journal_current_handle()) { - mlog(ML_ERROR, "Recursive transaction attempted!\n"); - BUG(); - } + /* Nested transaction? Just return the handle... */ + if (journal_current_handle()) + return jbd2_journal_start(journal, max_buffs); down_read(&osb->journal->j_trans_barrier); @@ -285,16 +283,18 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) int ocfs2_commit_trans(struct ocfs2_super *osb, handle_t *handle) { - int ret; + int ret, nested; struct ocfs2_journal *journal = osb->journal; BUG_ON(!handle); + nested = handle->h_ref > 1; ret = jbd2_journal_stop(handle); if (ret < 0) mlog_errno(ret); - up_read(&journal->j_trans_barrier); + if (!nested) + up_read(&journal->j_trans_barrier); return ret; } -- cgit v0.10.2 From 1a224ad11eeb190da4a123e156601aad1bb67f24 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Wed, 20 Aug 2008 15:43:36 +0200 Subject: ocfs2: Assign feature bits and system inodes to quota feature and quota files Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/Kconfig b/fs/Kconfig index c1ce3d8..f9b6e29 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -189,6 +189,8 @@ config OCFS2_FS select CONFIGFS_FS select JBD2 select CRC32 + select QUOTA + select QUOTA_TREE help OCFS2 is a general purpose extent based shared disk cluster file system with many similarities to ext3. It supports 64 bit inode diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index ec3497b..ec25d99 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -283,6 +283,8 @@ void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, mlog(0, "local alloc inode: i_ino=%lu\n", inode->i_ino); } else if (fe->i_flags & cpu_to_le32(OCFS2_BITMAP_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP; + } else if (fe->i_flags & cpu_to_le32(OCFS2_QUOTA_FL)) { + inode->i_flags |= S_NOQUOTA; } else if (fe->i_flags & cpu_to_le32(OCFS2_SUPER_BLOCK_FL)) { mlog(0, "superblock inode: i_ino=%lu\n", inode->i_ino); /* we can't actually hit this as read_inode can't diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 5e0c0d0..06e3bd6 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -94,7 +94,7 @@ | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \ | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \ | OCFS2_FEATURE_INCOMPAT_XATTR) -#define OCFS2_FEATURE_RO_COMPAT_SUPP OCFS2_FEATURE_RO_COMPAT_UNWRITTEN +#define OCFS2_FEATURE_RO_COMPAT_SUPP (OCFS2_FEATURE_RO_COMPAT_UNWRITTEN) /* * Heartbeat-only devices are missing journals and other files. The @@ -163,6 +163,12 @@ */ #define OCFS2_FEATURE_RO_COMPAT_UNWRITTEN 0x0001 +/* + * Maintain quota information for this filesystem + */ +#define OCFS2_FEATURE_RO_COMPAT_USRQUOTA 0x0002 +#define OCFS2_FEATURE_RO_COMPAT_GRPQUOTA 0x0004 + /* The byte offset of the first backup block will be 1G. * The following will be 4G, 16G, 64G, 256G and 1T. */ @@ -192,6 +198,7 @@ #define OCFS2_HEARTBEAT_FL (0x00000200) /* Heartbeat area */ #define OCFS2_CHAIN_FL (0x00000400) /* Chain allocator */ #define OCFS2_DEALLOC_FL (0x00000800) /* Truncate log */ +#define OCFS2_QUOTA_FL (0x00001000) /* Quota file */ /* * Flags on ocfs2_dinode.i_dyn_features @@ -329,13 +336,17 @@ enum { #define OCFS2_FIRST_ONLINE_SYSTEM_INODE SLOT_MAP_SYSTEM_INODE HEARTBEAT_SYSTEM_INODE, GLOBAL_BITMAP_SYSTEM_INODE, -#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GLOBAL_BITMAP_SYSTEM_INODE + USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE, +#define OCFS2_LAST_GLOBAL_SYSTEM_INODE GROUP_QUOTA_SYSTEM_INODE ORPHAN_DIR_SYSTEM_INODE, EXTENT_ALLOC_SYSTEM_INODE, INODE_ALLOC_SYSTEM_INODE, JOURNAL_SYSTEM_INODE, LOCAL_ALLOC_SYSTEM_INODE, TRUNCATE_LOG_SYSTEM_INODE, + LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE, NUM_SYSTEM_INODES }; @@ -349,6 +360,8 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { [SLOT_MAP_SYSTEM_INODE] = { "slot_map", 0, S_IFREG | 0644 }, [HEARTBEAT_SYSTEM_INODE] = { "heartbeat", OCFS2_HEARTBEAT_FL, S_IFREG | 0644 }, [GLOBAL_BITMAP_SYSTEM_INODE] = { "global_bitmap", 0, S_IFREG | 0644 }, + [USER_QUOTA_SYSTEM_INODE] = { "aquota.user", OCFS2_QUOTA_FL, S_IFREG | 0644 }, + [GROUP_QUOTA_SYSTEM_INODE] = { "aquota.group", OCFS2_QUOTA_FL, S_IFREG | 0644 }, /* Slot-specific system inodes (one copy per slot) */ [ORPHAN_DIR_SYSTEM_INODE] = { "orphan_dir:%04d", 0, S_IFDIR | 0755 }, @@ -356,7 +369,9 @@ static struct ocfs2_system_inode_info ocfs2_system_inodes[NUM_SYSTEM_INODES] = { [INODE_ALLOC_SYSTEM_INODE] = { "inode_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_CHAIN_FL, S_IFREG | 0644 }, [JOURNAL_SYSTEM_INODE] = { "journal:%04d", OCFS2_JOURNAL_FL, S_IFREG | 0644 }, [LOCAL_ALLOC_SYSTEM_INODE] = { "local_alloc:%04d", OCFS2_BITMAP_FL | OCFS2_LOCAL_ALLOC_FL, S_IFREG | 0644 }, - [TRUNCATE_LOG_SYSTEM_INODE] = { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 } + [TRUNCATE_LOG_SYSTEM_INODE] = { "truncate_log:%04d", OCFS2_DEALLOC_FL, S_IFREG | 0644 }, + [LOCAL_USER_QUOTA_SYSTEM_INODE] = { "aquota.user:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 }, + [LOCAL_GROUP_QUOTA_SYSTEM_INODE] = { "aquota.group:%04d", OCFS2_QUOTA_FL, S_IFREG | 0644 }, }; /* Parameter passed from mount.ocfs2 to module */ diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 9e7accc..41bb019 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -225,6 +225,19 @@ static int ocfs2_sync_fs(struct super_block *sb, int wait) return 0; } +static int ocfs2_need_system_inode(struct ocfs2_super *osb, int ino) +{ + if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA) + && (ino == USER_QUOTA_SYSTEM_INODE + || ino == LOCAL_USER_QUOTA_SYSTEM_INODE)) + return 0; + if (!OCFS2_HAS_RO_COMPAT_FEATURE(osb->sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA) + && (ino == GROUP_QUOTA_SYSTEM_INODE + || ino == LOCAL_GROUP_QUOTA_SYSTEM_INODE)) + return 0; + return 1; +} + static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb) { struct inode *new = NULL; @@ -251,6 +264,8 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb) for (i = OCFS2_FIRST_ONLINE_SYSTEM_INODE; i <= OCFS2_LAST_GLOBAL_SYSTEM_INODE; i++) { + if (!ocfs2_need_system_inode(osb, i)) + continue; new = ocfs2_get_system_file_inode(osb, i, osb->slot_num); if (!new) { ocfs2_release_system_inodes(osb); @@ -281,6 +296,8 @@ static int ocfs2_init_local_system_inodes(struct ocfs2_super *osb) for (i = OCFS2_LAST_GLOBAL_SYSTEM_INODE + 1; i < NUM_SYSTEM_INODES; i++) { + if (!ocfs2_need_system_inode(osb, i)) + continue; new = ocfs2_get_system_file_inode(osb, i, osb->slot_num); if (!new) { ocfs2_release_system_inodes(osb); -- cgit v0.10.2 From bbbd0eb34bf801dee01e345785959a75258f6567 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 21 Aug 2008 18:22:30 +0200 Subject: ocfs2: Mark system files as not subject to quota accounting Mark system files as not subject to quota accounting. This prevents possible recursions into quota code and thus deadlocks. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index ec25d99..50dbc48 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -275,8 +275,10 @@ void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe, inode->i_nlink = le16_to_cpu(fe->i_links_count); - if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) + if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SYSTEM_FILE; + inode->i_flags |= S_NOQUOTA; + } if (fe->i_flags & cpu_to_le32(OCFS2_LOCAL_ALLOC_FL)) { OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP; -- cgit v0.10.2 From 9e33d69f553aaf11377307e8d6f82deb3385e351 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 25 Aug 2008 19:56:50 +0200 Subject: ocfs2: Implementation of local and global quota file handling For each quota type each node has local quota file. In this file it stores changes users have made to disk usage via this node. Once in a while this information is synced to global file (and thus with other nodes) so that limits enforcement at least aproximately works. Global quota files contain all the information about usage and limits. It's mostly handled by the generic VFS code (which implements a trie of structures inside a quota file). We only have to provide functions to convert structures from on-disk format to in-memory one. We also have to provide wrappers for various quota functions starting transactions and acquiring necessary cluster locks before the actual IO is really started. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index e9ef5d1..7e4b361 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -35,6 +35,8 @@ ocfs2-objs := \ sysfile.o \ uptodate.o \ ver.o \ + quota_local.o \ + quota_global.o \ xattr.o ifeq ($(CONFIG_OCFS2_FS_POSIX_ACL),y) diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h index 57670c6..7e72a81 100644 --- a/fs/ocfs2/cluster/masklog.h +++ b/fs/ocfs2/cluster/masklog.h @@ -113,6 +113,7 @@ #define ML_QUORUM 0x0000000008000000ULL /* net connection quorum */ #define ML_EXPORT 0x0000000010000000ULL /* ocfs2 export operations */ #define ML_XATTR 0x0000000020000000ULL /* ocfs2 extended attributes */ +#define ML_QUOTA 0x0000000040000000ULL /* ocfs2 quota operations */ /* bits that are infrequently given and frequently matched in the high word */ #define ML_ERROR 0x0000000100000000ULL /* sent to KERN_ERR */ #define ML_NOTICE 0x0000000200000000ULL /* setn to KERN_NOTICE */ diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 9f2a7f7..058aa86 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -32,6 +32,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_DLM_GLUE #include @@ -51,6 +52,7 @@ #include "slot_map.h" #include "super.h" #include "uptodate.h" +#include "quota.h" #include "buffer_head_io.h" @@ -68,6 +70,7 @@ struct ocfs2_mask_waiter { static struct ocfs2_super *ocfs2_get_dentry_osb(struct ocfs2_lock_res *lockres); static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres); static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres); +static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres); /* * Return value from ->downconvert_worker functions. @@ -102,6 +105,7 @@ static int ocfs2_dentry_convert_worker(struct ocfs2_lock_res *lockres, static void ocfs2_dentry_post_unlock(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres); +static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres); #define mlog_meta_lvb(__level, __lockres) ocfs2_dump_meta_lvb_info(__level, __PRETTY_FUNCTION__, __LINE__, __lockres) @@ -258,6 +262,12 @@ static struct ocfs2_lock_res_ops ocfs2_flock_lops = { .flags = 0, }; +static struct ocfs2_lock_res_ops ocfs2_qinfo_lops = { + .set_lvb = ocfs2_set_qinfo_lvb, + .get_osb = ocfs2_get_qinfo_osb, + .flags = LOCK_TYPE_REQUIRES_REFRESH | LOCK_TYPE_USES_LVB, +}; + static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres) { return lockres->l_type == OCFS2_LOCK_TYPE_META || @@ -279,6 +289,13 @@ static inline struct ocfs2_dentry_lock *ocfs2_lock_res_dl(struct ocfs2_lock_res return (struct ocfs2_dentry_lock *)lockres->l_priv; } +static inline struct ocfs2_mem_dqinfo *ocfs2_lock_res_qinfo(struct ocfs2_lock_res *lockres) +{ + BUG_ON(lockres->l_type != OCFS2_LOCK_TYPE_QINFO); + + return (struct ocfs2_mem_dqinfo *)lockres->l_priv; +} + static inline struct ocfs2_super *ocfs2_get_lockres_osb(struct ocfs2_lock_res *lockres) { if (lockres->l_ops->get_osb) @@ -507,6 +524,13 @@ static struct ocfs2_super *ocfs2_get_inode_osb(struct ocfs2_lock_res *lockres) return OCFS2_SB(inode->i_sb); } +static struct ocfs2_super *ocfs2_get_qinfo_osb(struct ocfs2_lock_res *lockres) +{ + struct ocfs2_mem_dqinfo *info = lockres->l_priv; + + return OCFS2_SB(info->dqi_gi.dqi_sb); +} + static struct ocfs2_super *ocfs2_get_file_osb(struct ocfs2_lock_res *lockres) { struct ocfs2_file_private *fp = lockres->l_priv; @@ -609,6 +633,17 @@ void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, lockres->l_flags |= OCFS2_LOCK_NOCACHE; } +void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_mem_dqinfo *info) +{ + ocfs2_lock_res_init_once(lockres); + ocfs2_build_lock_name(OCFS2_LOCK_TYPE_QINFO, info->dqi_gi.dqi_type, + 0, lockres->l_name); + ocfs2_lock_res_init_common(OCFS2_SB(info->dqi_gi.dqi_sb), lockres, + OCFS2_LOCK_TYPE_QINFO, &ocfs2_qinfo_lops, + info); +} + void ocfs2_lock_res_free(struct ocfs2_lock_res *res) { mlog_entry_void(); @@ -3445,6 +3480,117 @@ static int ocfs2_dentry_convert_worker(struct ocfs2_lock_res *lockres, return UNBLOCK_CONTINUE_POST; } +static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres) +{ + struct ocfs2_qinfo_lvb *lvb; + struct ocfs2_mem_dqinfo *oinfo = ocfs2_lock_res_qinfo(lockres); + struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb, + oinfo->dqi_gi.dqi_type); + + mlog_entry_void(); + + lvb = (struct ocfs2_qinfo_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb->lvb_version = OCFS2_QINFO_LVB_VERSION; + lvb->lvb_bgrace = cpu_to_be32(info->dqi_bgrace); + lvb->lvb_igrace = cpu_to_be32(info->dqi_igrace); + lvb->lvb_syncms = cpu_to_be32(oinfo->dqi_syncms); + lvb->lvb_blocks = cpu_to_be32(oinfo->dqi_gi.dqi_blocks); + lvb->lvb_free_blk = cpu_to_be32(oinfo->dqi_gi.dqi_free_blk); + lvb->lvb_free_entry = cpu_to_be32(oinfo->dqi_gi.dqi_free_entry); + + mlog_exit_void(); +} + +void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb); + int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR; + + mlog_entry_void(); + if (!ocfs2_is_hard_readonly(osb) && !ocfs2_mount_local(osb)) + ocfs2_cluster_unlock(osb, lockres, level); + mlog_exit_void(); +} + +static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo) +{ + struct mem_dqinfo *info = sb_dqinfo(oinfo->dqi_gi.dqi_sb, + oinfo->dqi_gi.dqi_type); + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_qinfo_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); + struct buffer_head *bh; + struct ocfs2_global_disk_dqinfo *gdinfo; + int status = 0; + + if (lvb->lvb_version == OCFS2_QINFO_LVB_VERSION) { + info->dqi_bgrace = be32_to_cpu(lvb->lvb_bgrace); + info->dqi_igrace = be32_to_cpu(lvb->lvb_igrace); + oinfo->dqi_syncms = be32_to_cpu(lvb->lvb_syncms); + oinfo->dqi_gi.dqi_blocks = be32_to_cpu(lvb->lvb_blocks); + oinfo->dqi_gi.dqi_free_blk = be32_to_cpu(lvb->lvb_free_blk); + oinfo->dqi_gi.dqi_free_entry = + be32_to_cpu(lvb->lvb_free_entry); + } else { + bh = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &status); + if (!bh) { + mlog_errno(status); + goto bail; + } + gdinfo = (struct ocfs2_global_disk_dqinfo *) + (bh->b_data + OCFS2_GLOBAL_INFO_OFF); + info->dqi_bgrace = le32_to_cpu(gdinfo->dqi_bgrace); + info->dqi_igrace = le32_to_cpu(gdinfo->dqi_igrace); + oinfo->dqi_syncms = le32_to_cpu(gdinfo->dqi_syncms); + oinfo->dqi_gi.dqi_blocks = le32_to_cpu(gdinfo->dqi_blocks); + oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(gdinfo->dqi_free_blk); + oinfo->dqi_gi.dqi_free_entry = + le32_to_cpu(gdinfo->dqi_free_entry); + brelse(bh); + ocfs2_track_lock_refresh(lockres); + } + +bail: + return status; +} + +/* Lock quota info, this function expects at least shared lock on the quota file + * so that we can safely refresh quota info from disk. */ +int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; + struct ocfs2_super *osb = OCFS2_SB(oinfo->dqi_gi.dqi_sb); + int level = ex ? DLM_LOCK_EX : DLM_LOCK_PR; + int status = 0; + + mlog_entry_void(); + + /* On RO devices, locking really isn't needed... */ + if (ocfs2_is_hard_readonly(osb)) { + if (ex) + status = -EROFS; + goto bail; + } + if (ocfs2_mount_local(osb)) + goto bail; + + status = ocfs2_cluster_lock(osb, lockres, level, 0, 0); + if (status < 0) { + mlog_errno(status); + goto bail; + } + if (!ocfs2_should_refresh_lock_res(lockres)) + goto bail; + /* OK, we have the lock but we need to refresh the quota info */ + status = ocfs2_refresh_qinfo(oinfo); + if (status) + ocfs2_qinfo_unlock(oinfo, ex); + ocfs2_complete_lock_res_refresh(lockres, status); +bail: + mlog_exit(status); + return status; +} + /* * This is the filesystem locking protocol. It provides the lock handling * hooks for the underlying DLM. It has a maximum version number. diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h index 2bb01f0..3f8d998 100644 --- a/fs/ocfs2/dlmglue.h +++ b/fs/ocfs2/dlmglue.h @@ -49,6 +49,19 @@ struct ocfs2_meta_lvb { __be32 lvb_reserved2; }; +#define OCFS2_QINFO_LVB_VERSION 1 + +struct ocfs2_qinfo_lvb { + __u8 lvb_version; + __u8 lvb_reserved[3]; + __be32 lvb_bgrace; + __be32 lvb_igrace; + __be32 lvb_syncms; + __be32 lvb_blocks; + __be32 lvb_free_blk; + __be32 lvb_free_entry; +}; + /* ocfs2_inode_lock_full() 'arg_flags' flags */ /* don't wait on recovery. */ #define OCFS2_META_LOCK_RECOVERY (0x01) @@ -69,6 +82,9 @@ void ocfs2_dentry_lock_res_init(struct ocfs2_dentry_lock *dl, struct ocfs2_file_private; void ocfs2_file_lock_res_init(struct ocfs2_lock_res *lockres, struct ocfs2_file_private *fp); +struct ocfs2_mem_dqinfo; +void ocfs2_qinfo_lock_res_init(struct ocfs2_lock_res *lockres, + struct ocfs2_mem_dqinfo *info); void ocfs2_lock_res_free(struct ocfs2_lock_res *res); int ocfs2_create_new_inode_locks(struct inode *inode); int ocfs2_drop_inode_locks(struct inode *inode); @@ -103,6 +119,9 @@ int ocfs2_dentry_lock(struct dentry *dentry, int ex); void ocfs2_dentry_unlock(struct dentry *dentry, int ex); int ocfs2_file_lock(struct file *file, int ex, int trylock); void ocfs2_file_unlock(struct file *file); +int ocfs2_qinfo_lock(struct ocfs2_mem_dqinfo *oinfo, int ex); +void ocfs2_qinfo_unlock(struct ocfs2_mem_dqinfo *oinfo, int ex); + void ocfs2_mark_lockres_freeing(struct ocfs2_lock_res *lockres); void ocfs2_simple_drop_lockres(struct ocfs2_super *osb, diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 41001d5..372d965 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -304,9 +304,9 @@ bail: return status; } -static int ocfs2_simple_size_update(struct inode *inode, - struct buffer_head *di_bh, - u64 new_i_size) +int ocfs2_simple_size_update(struct inode *inode, + struct buffer_head *di_bh, + u64 new_i_size) { int ret; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h index e92382c..172f9fb 100644 --- a/fs/ocfs2/file.h +++ b/fs/ocfs2/file.h @@ -51,6 +51,9 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret); +int ocfs2_simple_size_update(struct inode *inode, + struct buffer_head *di_bh, + u64 new_i_size); int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size, u64 zero_to); int ocfs2_setattr(struct dentry *dentry, struct iattr *attr); diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index b79c371..eb3c302 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -142,6 +142,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle, struct buffer_head *bh); int ocfs2_aio_read(struct file *file, struct kiocb *req, struct iocb *iocb); int ocfs2_aio_write(struct file *file, struct kiocb *req, struct iocb *iocb); +struct buffer_head *ocfs2_bread(struct inode *inode, + int block, int *err, int reada); void ocfs2_set_inode_flags(struct inode *inode); void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi); diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 06e3bd6..0a5ac79 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -883,6 +883,109 @@ static inline int ocfs2_xattr_get_type(struct ocfs2_xattr_entry *xe) return xe->xe_type & OCFS2_XATTR_TYPE_MASK; } +/* + * On disk structures for global quota file + */ + +/* Magic numbers and known versions for global quota files */ +#define OCFS2_GLOBAL_QMAGICS {\ + 0x0cf52470, /* USRQUOTA */ \ + 0x0cf52471 /* GRPQUOTA */ \ +} + +#define OCFS2_GLOBAL_QVERSIONS {\ + 0, \ + 0, \ +} + + +/* Each block of each quota file has a certain fixed number of bytes reserved + * for OCFS2 internal use at its end. OCFS2 can use it for things like + * checksums, etc. */ +#define OCFS2_QBLK_RESERVED_SPACE 8 + +/* Generic header of all quota files */ +struct ocfs2_disk_dqheader { + __le32 dqh_magic; /* Magic number identifying file */ + __le32 dqh_version; /* Quota format version */ +}; + +#define OCFS2_GLOBAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader)) + +/* Information header of global quota file (immediately follows the generic + * header) */ +struct ocfs2_global_disk_dqinfo { +/*00*/ __le32 dqi_bgrace; /* Grace time for space softlimit excess */ + __le32 dqi_igrace; /* Grace time for inode softlimit excess */ + __le32 dqi_syncms; /* Time after which we sync local changes to + * global quota file */ + __le32 dqi_blocks; /* Number of blocks in quota file */ +/*10*/ __le32 dqi_free_blk; /* First free block in quota file */ + __le32 dqi_free_entry; /* First block with free dquot entry in quota + * file */ +}; + +/* Structure with global user / group information. We reserve some space + * for future use. */ +struct ocfs2_global_disk_dqblk { +/*00*/ __le32 dqb_id; /* ID the structure belongs to */ + __le32 dqb_use_count; /* Number of nodes having reference to this structure */ + __le64 dqb_ihardlimit; /* absolute limit on allocated inodes */ +/*10*/ __le64 dqb_isoftlimit; /* preferred inode limit */ + __le64 dqb_curinodes; /* current # allocated inodes */ +/*20*/ __le64 dqb_bhardlimit; /* absolute limit on disk space */ + __le64 dqb_bsoftlimit; /* preferred limit on disk space */ +/*30*/ __le64 dqb_curspace; /* current space occupied */ + __le64 dqb_btime; /* time limit for excessive disk use */ +/*40*/ __le64 dqb_itime; /* time limit for excessive inode use */ + __le64 dqb_pad1; +/*50*/ __le64 dqb_pad2; +}; + +/* + * On-disk structures for local quota file + */ + +/* Magic numbers and known versions for local quota files */ +#define OCFS2_LOCAL_QMAGICS {\ + 0x0cf524c0, /* USRQUOTA */ \ + 0x0cf524c1 /* GRPQUOTA */ \ +} + +#define OCFS2_LOCAL_QVERSIONS {\ + 0, \ + 0, \ +} + +/* Quota flags in dqinfo header */ +#define OLQF_CLEAN 0x0001 /* Quota file is empty (this should be after\ + * quota has been cleanly turned off) */ + +#define OCFS2_LOCAL_INFO_OFF (sizeof(struct ocfs2_disk_dqheader)) + +/* Information header of local quota file (immediately follows the generic + * header) */ +struct ocfs2_local_disk_dqinfo { + __le32 dqi_flags; /* Flags for quota file */ + __le32 dqi_chunks; /* Number of chunks of quota structures + * with a bitmap */ + __le32 dqi_blocks; /* Number of blocks allocated for quota file */ +}; + +/* Header of one chunk of a quota file */ +struct ocfs2_local_disk_chunk { + __le32 dqc_free; /* Number of free entries in the bitmap */ + u8 dqc_bitmap[0]; /* Bitmap of entries in the corresponding + * chunk of quota file */ +}; + +/* One entry in local quota file */ +struct ocfs2_local_disk_dqblk { +/*00*/ __le64 dqb_id; /* id this quota applies to */ + __le64 dqb_spacemod; /* Change in the amount of used space */ +/*10*/ __le64 dqb_inodemod; /* Change in the amount of used inodes */ +}; + #ifdef __KERNEL__ static inline int ocfs2_fast_symlink_chars(struct super_block *sb) { diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h index 82c200f..eb6f50c 100644 --- a/fs/ocfs2/ocfs2_lockid.h +++ b/fs/ocfs2/ocfs2_lockid.h @@ -46,6 +46,7 @@ enum ocfs2_lock_type { OCFS2_LOCK_TYPE_DENTRY, OCFS2_LOCK_TYPE_OPEN, OCFS2_LOCK_TYPE_FLOCK, + OCFS2_LOCK_TYPE_QINFO, OCFS2_NUM_LOCK_TYPES }; @@ -77,6 +78,9 @@ static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type) case OCFS2_LOCK_TYPE_FLOCK: c = 'F'; break; + case OCFS2_LOCK_TYPE_QINFO: + c = 'Q'; + break; default: c = '\0'; } @@ -95,6 +99,7 @@ static char *ocfs2_lock_type_strings[] = { [OCFS2_LOCK_TYPE_DENTRY] = "Dentry", [OCFS2_LOCK_TYPE_OPEN] = "Open", [OCFS2_LOCK_TYPE_FLOCK] = "Flock", + [OCFS2_LOCK_TYPE_QINFO] = "Quota", }; static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type) diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h new file mode 100644 index 0000000..1f1c863 --- /dev/null +++ b/fs/ocfs2/quota.h @@ -0,0 +1,93 @@ +/* + * quota.h for OCFS2 + * + * On disk quota structures for local and global quota file, in-memory + * structures. + * + */ + +#ifndef _OCFS2_QUOTA_H +#define _OCFS2_QUOTA_H + +#include +#include +#include +#include +#include + +#include "ocfs2.h" + +/* Common stuff */ +/* id number of quota format */ +#define QFMT_OCFS2 3 + +/* + * In-memory structures + */ +struct ocfs2_dquot { + struct dquot dq_dquot; /* Generic VFS dquot */ + loff_t dq_local_off; /* Offset in the local quota file */ + struct ocfs2_quota_chunk *dq_chunk; /* Chunk dquot is in */ + unsigned int dq_use_count; /* Number of nodes having reference to this entry in global quota file */ + s64 dq_origspace; /* Last globally synced space usage */ + s64 dq_originodes; /* Last globally synced inode usage */ +}; + +/* In-memory structure with quota header information */ +struct ocfs2_mem_dqinfo { + unsigned int dqi_type; /* Quota type this structure describes */ + unsigned int dqi_chunks; /* Number of chunks in local quota file */ + unsigned int dqi_blocks; /* Number of blocks allocated for local quota file */ + unsigned int dqi_syncms; /* How often should we sync with other nodes */ + struct list_head dqi_chunk; /* List of chunks */ + struct inode *dqi_gqinode; /* Global quota file inode */ + struct ocfs2_lock_res dqi_gqlock; /* Lock protecting quota information structure */ + struct buffer_head *dqi_gqi_bh; /* Buffer head with global quota file inode - set only if inode lock is obtained */ + int dqi_gqi_count; /* Number of holders of dqi_gqi_bh */ + struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */ + struct buffer_head *dqi_ibh; /* Buffer with information header */ + struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ +}; + +static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) +{ + return container_of(dquot, struct ocfs2_dquot, dq_dquot); +} + +struct ocfs2_quota_chunk { + struct list_head qc_chunk; /* List of quotafile chunks */ + int qc_num; /* Number of quota chunk */ + struct buffer_head *qc_headerbh; /* Buffer head with chunk header */ +}; + +extern struct kmem_cache *ocfs2_dquot_cachep; +extern struct kmem_cache *ocfs2_qf_chunk_cachep; + +extern struct qtree_fmt_operations ocfs2_global_ops; + +ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, + size_t len, loff_t off); +ssize_t ocfs2_quota_write(struct super_block *sb, int type, + const char *data, size_t len, loff_t off); +int ocfs2_global_read_info(struct super_block *sb, int type); +int ocfs2_global_write_info(struct super_block *sb, int type); +int ocfs2_global_read_dquot(struct dquot *dquot); +int __ocfs2_sync_dquot(struct dquot *dquot, int freeing); +static inline int ocfs2_sync_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 0); +} +static inline int ocfs2_global_release_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 1); +} + +int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +struct buffer_head *ocfs2_read_quota_block(struct inode *inode, + int block, int *err); + +extern struct dquot_operations ocfs2_quota_operations; +extern struct quota_format_type ocfs2_quota_format; + +#endif /* _OCFS2_QUOTA_H */ diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c new file mode 100644 index 0000000..af8340c --- /dev/null +++ b/fs/ocfs2/quota_global.c @@ -0,0 +1,919 @@ +/* + * Implementation of operations over global quota file + */ +#include +#include +#include +#include + +#define MLOG_MASK_PREFIX ML_QUOTA +#include + +#include "ocfs2_fs.h" +#include "ocfs2.h" +#include "alloc.h" +#include "inode.h" +#include "journal.h" +#include "file.h" +#include "sysfile.h" +#include "dlmglue.h" +#include "uptodate.h" +#include "quota.h" + +static void ocfs2_global_disk2memdqb(struct dquot *dquot, void *dp) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + + /* Update from disk only entries not set by the admin */ + if (!test_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags)) { + m->dqb_ihardlimit = le64_to_cpu(d->dqb_ihardlimit); + m->dqb_isoftlimit = le64_to_cpu(d->dqb_isoftlimit); + } + if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags)) + m->dqb_curinodes = le64_to_cpu(d->dqb_curinodes); + if (!test_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags)) { + m->dqb_bhardlimit = le64_to_cpu(d->dqb_bhardlimit); + m->dqb_bsoftlimit = le64_to_cpu(d->dqb_bsoftlimit); + } + if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags)) + m->dqb_curspace = le64_to_cpu(d->dqb_curspace); + if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags)) + m->dqb_btime = le64_to_cpu(d->dqb_btime); + if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags)) + m->dqb_itime = le64_to_cpu(d->dqb_itime); + OCFS2_DQUOT(dquot)->dq_use_count = le32_to_cpu(d->dqb_use_count); +} + +static void ocfs2_global_mem2diskdqb(void *dp, struct dquot *dquot) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct mem_dqblk *m = &dquot->dq_dqb; + + d->dqb_id = cpu_to_le32(dquot->dq_id); + d->dqb_use_count = cpu_to_le32(OCFS2_DQUOT(dquot)->dq_use_count); + d->dqb_ihardlimit = cpu_to_le64(m->dqb_ihardlimit); + d->dqb_isoftlimit = cpu_to_le64(m->dqb_isoftlimit); + d->dqb_curinodes = cpu_to_le64(m->dqb_curinodes); + d->dqb_bhardlimit = cpu_to_le64(m->dqb_bhardlimit); + d->dqb_bsoftlimit = cpu_to_le64(m->dqb_bsoftlimit); + d->dqb_curspace = cpu_to_le64(m->dqb_curspace); + d->dqb_btime = cpu_to_le64(m->dqb_btime); + d->dqb_itime = cpu_to_le64(m->dqb_itime); +} + +static int ocfs2_global_is_id(void *dp, struct dquot *dquot) +{ + struct ocfs2_global_disk_dqblk *d = dp; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + + if (qtree_entry_unused(&oinfo->dqi_gi, dp)) + return 0; + return le32_to_cpu(d->dqb_id) == dquot->dq_id; +} + +struct qtree_fmt_operations ocfs2_global_ops = { + .mem2disk_dqblk = ocfs2_global_mem2diskdqb, + .disk2mem_dqblk = ocfs2_global_disk2memdqb, + .is_id = ocfs2_global_is_id, +}; + + +struct buffer_head *ocfs2_read_quota_block(struct inode *inode, + int block, int *err) +{ + struct buffer_head *tmp = NULL; + + *err = ocfs2_read_virt_blocks(inode, block, 1, &tmp, 0, NULL); + if (*err) + mlog_errno(*err); + + return tmp; +} + +static struct buffer_head *ocfs2_get_quota_block(struct inode *inode, + int block, int *err) +{ + u64 pblock, pcount; + struct buffer_head *bh; + + down_read(&OCFS2_I(inode)->ip_alloc_sem); + *err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, + NULL); + up_read(&OCFS2_I(inode)->ip_alloc_sem); + if (*err) { + mlog_errno(*err); + return NULL; + } + bh = sb_getblk(inode->i_sb, pblock); + if (!bh) { + *err = -EIO; + mlog_errno(*err); + } + return bh; +} + +/* Read data from global quotafile - avoid pagecache and such because we cannot + * afford acquiring the locks... We use quota cluster lock to serialize + * operations. Caller is responsible for acquiring it. */ +ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, + size_t len, loff_t off) +{ + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct inode *gqinode = oinfo->dqi_gqinode; + loff_t i_size = i_size_read(gqinode); + int offset = off & (sb->s_blocksize - 1); + sector_t blk = off >> sb->s_blocksize_bits; + int err = 0; + struct buffer_head *bh; + size_t toread, tocopy; + + if (off > i_size) + return 0; + if (off + len > i_size) + len = i_size - off; + toread = len; + while (toread > 0) { + tocopy = min((size_t)(sb->s_blocksize - offset), toread); + bh = ocfs2_read_quota_block(gqinode, blk, &err); + if (!bh) { + mlog_errno(err); + return err; + } + memcpy(data, bh->b_data + offset, tocopy); + brelse(bh); + offset = 0; + toread -= tocopy; + data += tocopy; + blk++; + } + return len; +} + +/* Write to quotafile (we know the transaction is already started and has + * enough credits) */ +ssize_t ocfs2_quota_write(struct super_block *sb, int type, + const char *data, size_t len, loff_t off) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct inode *gqinode = oinfo->dqi_gqinode; + int offset = off & (sb->s_blocksize - 1); + sector_t blk = off >> sb->s_blocksize_bits; + int err = 0, new = 0; + struct buffer_head *bh; + handle_t *handle = journal_current_handle(); + + if (!handle) { + mlog(ML_ERROR, "Quota write (off=%llu, len=%llu) cancelled " + "because transaction was not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } + if (len > sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset) { + WARN_ON(1); + len = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE - offset; + } + + mutex_lock_nested(&gqinode->i_mutex, I_MUTEX_QUOTA); + if (gqinode->i_size < off + len) { + down_write(&OCFS2_I(gqinode)->ip_alloc_sem); + err = ocfs2_extend_no_holes(gqinode, off + len, off); + up_write(&OCFS2_I(gqinode)->ip_alloc_sem); + if (err < 0) + goto out; + err = ocfs2_simple_size_update(gqinode, + oinfo->dqi_gqi_bh, + off + len); + if (err < 0) + goto out; + new = 1; + } + /* Not rewriting whole block? */ + if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) && + !new) { + bh = ocfs2_read_quota_block(gqinode, blk, &err); + if (!bh) { + mlog_errno(err); + return err; + } + err = ocfs2_journal_access(handle, gqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + } else { + bh = ocfs2_get_quota_block(gqinode, blk, &err); + if (!bh) { + mlog_errno(err); + return err; + } + err = ocfs2_journal_access(handle, gqinode, bh, + OCFS2_JOURNAL_ACCESS_CREATE); + } + if (err < 0) { + brelse(bh); + goto out; + } + lock_buffer(bh); + if (new) + memset(bh->b_data, 0, sb->s_blocksize); + memcpy(bh->b_data + offset, data, len); + flush_dcache_page(bh->b_page); + unlock_buffer(bh); + ocfs2_set_buffer_uptodate(gqinode, bh); + err = ocfs2_journal_dirty(handle, bh); + brelse(bh); + if (err < 0) + goto out; +out: + if (err) { + mutex_unlock(&gqinode->i_mutex); + mlog_errno(err); + return err; + } + gqinode->i_version++; + ocfs2_mark_inode_dirty(handle, gqinode, oinfo->dqi_gqi_bh); + mutex_unlock(&gqinode->i_mutex); + return len; +} + +int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + int status; + struct buffer_head *bh = NULL; + + status = ocfs2_inode_lock(oinfo->dqi_gqinode, &bh, ex); + if (status < 0) + return status; + spin_lock(&dq_data_lock); + if (!oinfo->dqi_gqi_count++) + oinfo->dqi_gqi_bh = bh; + else + WARN_ON(bh != oinfo->dqi_gqi_bh); + spin_unlock(&dq_data_lock); + return 0; +} + +void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex) +{ + ocfs2_inode_unlock(oinfo->dqi_gqinode, ex); + brelse(oinfo->dqi_gqi_bh); + spin_lock(&dq_data_lock); + if (!--oinfo->dqi_gqi_count) + oinfo->dqi_gqi_bh = NULL; + spin_unlock(&dq_data_lock); +} + +/* Read information header from global quota file */ +int ocfs2_global_read_info(struct super_block *sb, int type) +{ + struct inode *gqinode = NULL; + unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE }; + struct ocfs2_global_disk_dqinfo dinfo; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + int status; + + mlog_entry_void(); + + /* Read global header */ + gqinode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type], + OCFS2_INVALID_SLOT); + if (!gqinode) { + mlog(ML_ERROR, "failed to get global quota inode (type=%d)\n", + type); + status = -EINVAL; + goto out_err; + } + oinfo->dqi_gi.dqi_sb = sb; + oinfo->dqi_gi.dqi_type = type; + ocfs2_qinfo_lock_res_init(&oinfo->dqi_gqlock, oinfo); + oinfo->dqi_gi.dqi_entry_size = sizeof(struct ocfs2_global_disk_dqblk); + oinfo->dqi_gi.dqi_ops = &ocfs2_global_ops; + oinfo->dqi_gqi_bh = NULL; + oinfo->dqi_gqi_count = 0; + oinfo->dqi_gqinode = gqinode; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + status = sb->s_op->quota_read(sb, type, (char *)&dinfo, + sizeof(struct ocfs2_global_disk_dqinfo), + OCFS2_GLOBAL_INFO_OFF); + ocfs2_unlock_global_qf(oinfo, 0); + if (status != sizeof(struct ocfs2_global_disk_dqinfo)) { + mlog(ML_ERROR, "Cannot read global quota info (%d).\n", + status); + if (status >= 0) + status = -EIO; + mlog_errno(status); + goto out_err; + } + info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); + info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); + oinfo->dqi_syncms = le32_to_cpu(dinfo.dqi_syncms); + oinfo->dqi_gi.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); + oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); + oinfo->dqi_gi.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); + oinfo->dqi_gi.dqi_blocksize_bits = sb->s_blocksize_bits; + oinfo->dqi_gi.dqi_usable_bs = sb->s_blocksize - + OCFS2_QBLK_RESERVED_SPACE; + oinfo->dqi_gi.dqi_qtree_depth = qtree_depth(&oinfo->dqi_gi); +out_err: + mlog_exit(status); + return status; +} + +/* Write information to global quota file. Expects exlusive lock on quota + * file inode and quota info */ +static int __ocfs2_global_write_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_global_disk_dqinfo dinfo; + ssize_t size; + + spin_lock(&dq_data_lock); + info->dqi_flags &= ~DQF_INFO_DIRTY; + dinfo.dqi_bgrace = cpu_to_le32(info->dqi_bgrace); + dinfo.dqi_igrace = cpu_to_le32(info->dqi_igrace); + spin_unlock(&dq_data_lock); + dinfo.dqi_syncms = cpu_to_le32(oinfo->dqi_syncms); + dinfo.dqi_blocks = cpu_to_le32(oinfo->dqi_gi.dqi_blocks); + dinfo.dqi_free_blk = cpu_to_le32(oinfo->dqi_gi.dqi_free_blk); + dinfo.dqi_free_entry = cpu_to_le32(oinfo->dqi_gi.dqi_free_entry); + size = sb->s_op->quota_write(sb, type, (char *)&dinfo, + sizeof(struct ocfs2_global_disk_dqinfo), + OCFS2_GLOBAL_INFO_OFF); + if (size != sizeof(struct ocfs2_global_disk_dqinfo)) { + mlog(ML_ERROR, "Cannot write global quota info structure\n"); + if (size >= 0) + size = -EIO; + return size; + } + return 0; +} + +int ocfs2_global_write_info(struct super_block *sb, int type) +{ + int err; + struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv; + + err = ocfs2_qinfo_lock(info, 1); + if (err < 0) + return err; + err = __ocfs2_global_write_info(sb, type); + ocfs2_qinfo_unlock(info, 1); + return err; +} + +/* Read in information from global quota file and acquire a reference to it. + * dquot_acquire() has already started the transaction and locked quota file */ +int ocfs2_global_read_dquot(struct dquot *dquot) +{ + int err, err2, ex = 0; + struct ocfs2_mem_dqinfo *info = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + + err = ocfs2_qinfo_lock(info, 0); + if (err < 0) + goto out; + err = qtree_read_dquot(&info->dqi_gi, dquot); + if (err < 0) + goto out_qlock; + OCFS2_DQUOT(dquot)->dq_use_count++; + OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace; + OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes; + if (!dquot->dq_off) { /* No real quota entry? */ + /* Upgrade to exclusive lock for allocation */ + err = ocfs2_qinfo_lock(info, 1); + if (err < 0) + goto out_qlock; + ex = 1; + } + err = qtree_write_dquot(&info->dqi_gi, dquot); + if (ex && info_dirty(sb_dqinfo(dquot->dq_sb, dquot->dq_type))) { + err2 = __ocfs2_global_write_info(dquot->dq_sb, dquot->dq_type); + if (!err) + err = err2; + } +out_qlock: + if (ex) + ocfs2_qinfo_unlock(info, 1); + ocfs2_qinfo_unlock(info, 0); +out: + if (err < 0) + mlog_errno(err); + return err; +} + +/* Sync local information about quota modifications with global quota file. + * Caller must have started the transaction and obtained exclusive lock for + * global quota file inode */ +int __ocfs2_sync_dquot(struct dquot *dquot, int freeing) +{ + int err, err2; + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct ocfs2_mem_dqinfo *info = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_global_disk_dqblk dqblk; + s64 spacechange, inodechange; + time_t olditime, oldbtime; + + err = sb->s_op->quota_read(sb, type, (char *)&dqblk, + sizeof(struct ocfs2_global_disk_dqblk), + dquot->dq_off); + if (err != sizeof(struct ocfs2_global_disk_dqblk)) { + if (err >= 0) { + mlog(ML_ERROR, "Short read from global quota file " + "(%u read)\n", err); + err = -EIO; + } + goto out; + } + + /* Update space and inode usage. Get also other information from + * global quota file so that we don't overwrite any changes there. + * We are */ + spin_lock(&dq_data_lock); + spacechange = dquot->dq_dqb.dqb_curspace - + OCFS2_DQUOT(dquot)->dq_origspace; + inodechange = dquot->dq_dqb.dqb_curinodes - + OCFS2_DQUOT(dquot)->dq_originodes; + olditime = dquot->dq_dqb.dqb_itime; + oldbtime = dquot->dq_dqb.dqb_btime; + ocfs2_global_disk2memdqb(dquot, &dqblk); + mlog(0, "Syncing global dquot %d space %lld+%lld, inodes %lld+%lld\n", + dquot->dq_id, dquot->dq_dqb.dqb_curspace, spacechange, + dquot->dq_dqb.dqb_curinodes, inodechange); + if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags)) + dquot->dq_dqb.dqb_curspace += spacechange; + if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags)) + dquot->dq_dqb.dqb_curinodes += inodechange; + /* Set properly space grace time... */ + if (dquot->dq_dqb.dqb_bsoftlimit && + dquot->dq_dqb.dqb_curspace > dquot->dq_dqb.dqb_bsoftlimit) { + if (!test_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags) && + oldbtime > 0) { + if (dquot->dq_dqb.dqb_btime > 0) + dquot->dq_dqb.dqb_btime = + min(dquot->dq_dqb.dqb_btime, oldbtime); + else + dquot->dq_dqb.dqb_btime = oldbtime; + } + } else { + dquot->dq_dqb.dqb_btime = 0; + clear_bit(DQ_BLKS_B, &dquot->dq_flags); + } + /* Set properly inode grace time... */ + if (dquot->dq_dqb.dqb_isoftlimit && + dquot->dq_dqb.dqb_curinodes > dquot->dq_dqb.dqb_isoftlimit) { + if (!test_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags) && + olditime > 0) { + if (dquot->dq_dqb.dqb_itime > 0) + dquot->dq_dqb.dqb_itime = + min(dquot->dq_dqb.dqb_itime, olditime); + else + dquot->dq_dqb.dqb_itime = olditime; + } + } else { + dquot->dq_dqb.dqb_itime = 0; + clear_bit(DQ_INODES_B, &dquot->dq_flags); + } + /* All information is properly updated, clear the flags */ + __clear_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); + __clear_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); + OCFS2_DQUOT(dquot)->dq_origspace = dquot->dq_dqb.dqb_curspace; + OCFS2_DQUOT(dquot)->dq_originodes = dquot->dq_dqb.dqb_curinodes; + spin_unlock(&dq_data_lock); + err = ocfs2_qinfo_lock(info, freeing); + if (err < 0) { + mlog(ML_ERROR, "Failed to lock quota info, loosing quota write" + " (type=%d, id=%u)\n", dquot->dq_type, + (unsigned)dquot->dq_id); + goto out; + } + if (freeing) + OCFS2_DQUOT(dquot)->dq_use_count--; + err = qtree_write_dquot(&info->dqi_gi, dquot); + if (err < 0) + goto out_qlock; + if (freeing && !OCFS2_DQUOT(dquot)->dq_use_count) { + err = qtree_release_dquot(&info->dqi_gi, dquot); + if (info_dirty(sb_dqinfo(sb, type))) { + err2 = __ocfs2_global_write_info(sb, type); + if (!err) + err = err2; + } + } +out_qlock: + ocfs2_qinfo_unlock(info, freeing); +out: + if (err < 0) + mlog_errno(err); + return err; +} + +/* + * Wrappers for generic quota functions + */ + +static int ocfs2_write_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + + handle = ocfs2_start_trans(osb, OCFS2_QWRITE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + status = dquot_commit(dquot); + ocfs2_commit_trans(osb, handle); +out: + mlog_exit(status); + return status; +} + +int ocfs2_calc_qdel_credits(struct super_block *sb, int type) +{ + struct ocfs2_mem_dqinfo *oinfo; + int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA }; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type])) + return 0; + + oinfo = sb_dqinfo(sb, type)->dqi_priv; + /* We modify tree, leaf block, global info, local chunk header, + * global and local inode */ + return oinfo->dqi_gi.dqi_qtree_depth + 2 + 1 + + 2 * OCFS2_INODE_UPDATE_CREDITS; +} + +static int ocfs2_release_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, + ocfs2_calc_qdel_credits(dquot->dq_sb, dquot->dq_type)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_release(dquot); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +int ocfs2_calc_qinit_credits(struct super_block *sb, int type) +{ + struct ocfs2_mem_dqinfo *oinfo; + int features[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA }; + struct ocfs2_dinode *lfe, *gfe; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, features[type])) + return 0; + + oinfo = sb_dqinfo(sb, type)->dqi_priv; + gfe = (struct ocfs2_dinode *)oinfo->dqi_gqi_bh->b_data; + lfe = (struct ocfs2_dinode *)oinfo->dqi_lqi_bh->b_data; + /* We can extend local file + global file. In local file we + * can modify info, chunk header block and dquot block. In + * global file we can modify info, tree and leaf block */ + return ocfs2_calc_extend_credits(sb, &lfe->id2.i_list, 0) + + ocfs2_calc_extend_credits(sb, &gfe->id2.i_list, 0) + + 3 + oinfo->dqi_gi.dqi_qtree_depth + 2; +} + +static int ocfs2_acquire_dquot(struct dquot *dquot) +{ + handle_t *handle; + struct ocfs2_mem_dqinfo *oinfo = + sb_dqinfo(dquot->dq_sb, dquot->dq_type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(dquot->dq_sb); + int status = 0; + + mlog_entry("id=%u, type=%d", dquot->dq_id, dquot->dq_type); + /* We need an exclusive lock, because we're going to update use count + * and instantiate possibly new dquot structure */ + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, + ocfs2_calc_qinit_credits(dquot->dq_sb, dquot->dq_type)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_acquire(dquot); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +static int ocfs2_mark_dquot_dirty(struct dquot *dquot) +{ + unsigned long mask = (1 << (DQ_LASTSET_B + QIF_ILIMITS_B)) | + (1 << (DQ_LASTSET_B + QIF_BLIMITS_B)) | + (1 << (DQ_LASTSET_B + QIF_INODES_B)) | + (1 << (DQ_LASTSET_B + QIF_SPACE_B)) | + (1 << (DQ_LASTSET_B + QIF_BTIME_B)) | + (1 << (DQ_LASTSET_B + QIF_ITIME_B)); + int sync = 0; + int status; + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + handle_t *handle; + struct ocfs2_super *osb = OCFS2_SB(sb); + + mlog_entry("id=%u, type=%d", dquot->dq_id, type); + dquot_mark_dquot_dirty(dquot); + + /* In case user set some limits, sync dquot immediately to global + * quota file so that information propagates quicker */ + spin_lock(&dq_data_lock); + if (dquot->dq_flags & mask) + sync = 1; + spin_unlock(&dq_data_lock); + if (!sync) { + status = ocfs2_write_dquot(dquot); + goto out; + } + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = ocfs2_sync_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + /* Now write updated local dquot structure */ + status = dquot_commit(dquot); +out_trans: + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +/* This should happen only after set_dqinfo(). */ +static int ocfs2_write_info(struct super_block *sb, int type) +{ + handle_t *handle; + int status = 0; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + + mlog_entry_void(); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + handle = ocfs2_start_trans(OCFS2_SB(sb), OCFS2_QINFO_WRITE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + status = dquot_commit_info(sb, type); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +/* This is difficult. We have to lock quota inode and start transaction + * in this function but we don't want to take the penalty of exlusive + * quota file lock when we are just going to use cached structures. So + * we just take read lock check whether we have dquot cached and if so, + * we don't have to take the write lock... */ +static int ocfs2_dquot_initialize(struct inode *inode, int type) +{ + handle_t *handle = NULL; + int status = 0; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + int exclusive = 0; + int cnt; + qid_t id; + + mlog_entry_void(); + + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (type != -1 && cnt != type) + continue; + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) + goto out; + /* This is just a performance optimization not a reliable test. + * Since we hold an inode lock, noone can actually release + * the structure until we are finished with initialization. */ + if (inode->i_dquot[cnt] != NODQUOT) { + ocfs2_unlock_global_qf(oinfo, 0); + continue; + } + /* When we have inode lock, we know that no dquot_release() can + * run and thus we can safely check whether we need to + * read+modify global file to get quota information or whether + * our node already has it. */ + if (cnt == USRQUOTA) + id = inode->i_uid; + else if (cnt == GRPQUOTA) + id = inode->i_gid; + else + BUG(); + /* Obtain exclusion from quota off... */ + down_write(&sb_dqopt(sb)->dqptr_sem); + exclusive = !dquot_is_cached(sb, id, cnt); + up_write(&sb_dqopt(sb)->dqptr_sem); + if (exclusive) { + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) { + exclusive = 0; + mlog_errno(status); + goto out_ilock; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + ocfs2_calc_qinit_credits(sb, cnt)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + } + dquot_initialize(inode, cnt); + if (exclusive) { + ocfs2_commit_trans(OCFS2_SB(sb), handle); + ocfs2_unlock_global_qf(oinfo, 1); + } + ocfs2_unlock_global_qf(oinfo, 0); + } + mlog_exit(0); + return 0; +out_ilock: + if (exclusive) + ocfs2_unlock_global_qf(oinfo, 1); + ocfs2_unlock_global_qf(oinfo, 0); +out: + mlog_exit(status); + return status; +} + +static int ocfs2_dquot_drop_slow(struct inode *inode) +{ + int status; + int cnt; + int got_lock[MAXQUOTAS] = {0, 0}; + handle_t *handle; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + got_lock[cnt] = 1; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + ocfs2_calc_qinit_credits(sb, USRQUOTA) + + ocfs2_calc_qinit_credits(sb, GRPQUOTA)); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + dquot_drop(inode); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (got_lock[cnt]) { + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 1); + } + return status; +} + +/* See the comment before ocfs2_dquot_initialize. */ +static int ocfs2_dquot_drop(struct inode *inode) +{ + int status = 0; + struct super_block *sb = inode->i_sb; + struct ocfs2_mem_dqinfo *oinfo; + int exclusive = 0; + int cnt; + int got_lock[MAXQUOTAS] = {0, 0}; + + mlog_entry_void(); + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (!sb_has_quota_active(sb, cnt)) + continue; + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 0); + if (status < 0) + goto out; + got_lock[cnt] = 1; + } + /* Lock against anyone releasing references so that when when we check + * we know we are not going to be last ones to release dquot */ + down_write(&sb_dqopt(sb)->dqptr_sem); + /* Urgh, this is a terrible hack :( */ + for (cnt = 0; cnt < MAXQUOTAS; cnt++) { + if (inode->i_dquot[cnt] != NODQUOT && + atomic_read(&inode->i_dquot[cnt]->dq_count) > 1) { + exclusive = 1; + break; + } + } + if (!exclusive) + dquot_drop_locked(inode); + up_write(&sb_dqopt(sb)->dqptr_sem); +out: + for (cnt = 0; cnt < MAXQUOTAS; cnt++) + if (got_lock[cnt]) { + oinfo = sb_dqinfo(sb, cnt)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 0); + } + /* In case we bailed out because we had to do expensive locking + * do it now... */ + if (exclusive) + status = ocfs2_dquot_drop_slow(inode); + mlog_exit(status); + return status; +} + +static struct dquot *ocfs2_alloc_dquot(struct super_block *sb, int type) +{ + struct ocfs2_dquot *dquot = + kmem_cache_zalloc(ocfs2_dquot_cachep, GFP_NOFS); + + if (!dquot) + return NULL; + return &dquot->dq_dquot; +} + +static void ocfs2_destroy_dquot(struct dquot *dquot) +{ + kmem_cache_free(ocfs2_dquot_cachep, dquot); +} + +struct dquot_operations ocfs2_quota_operations = { + .initialize = ocfs2_dquot_initialize, + .drop = ocfs2_dquot_drop, + .alloc_space = dquot_alloc_space, + .alloc_inode = dquot_alloc_inode, + .free_space = dquot_free_space, + .free_inode = dquot_free_inode, + .transfer = dquot_transfer, + .write_dquot = ocfs2_write_dquot, + .acquire_dquot = ocfs2_acquire_dquot, + .release_dquot = ocfs2_release_dquot, + .mark_dirty = ocfs2_mark_dquot_dirty, + .write_info = ocfs2_write_info, + .alloc_dquot = ocfs2_alloc_dquot, + .destroy_dquot = ocfs2_destroy_dquot, +}; diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c new file mode 100644 index 0000000..55c3f2f --- /dev/null +++ b/fs/ocfs2/quota_local.c @@ -0,0 +1,833 @@ +/* + * Implementation of operations over local quota file + */ + +#include +#include +#include +#include + +#define MLOG_MASK_PREFIX ML_QUOTA +#include + +#include "ocfs2_fs.h" +#include "ocfs2.h" +#include "inode.h" +#include "alloc.h" +#include "file.h" +#include "buffer_head_io.h" +#include "journal.h" +#include "sysfile.h" +#include "dlmglue.h" +#include "quota.h" + +/* Number of local quota structures per block */ +static inline unsigned int ol_quota_entries_per_block(struct super_block *sb) +{ + return ((sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) / + sizeof(struct ocfs2_local_disk_dqblk)); +} + +/* Number of blocks with entries in one chunk */ +static inline unsigned int ol_chunk_blocks(struct super_block *sb) +{ + return ((sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) - + OCFS2_QBLK_RESERVED_SPACE) << 3) / + ol_quota_entries_per_block(sb); +} + +/* Number of entries in a chunk bitmap */ +static unsigned int ol_chunk_entries(struct super_block *sb) +{ + return ol_chunk_blocks(sb) * ol_quota_entries_per_block(sb); +} + +/* Offset of the chunk in quota file */ +static unsigned int ol_quota_chunk_block(struct super_block *sb, int c) +{ + /* 1 block for local quota file info, 1 block per chunk for chunk info */ + return 1 + (ol_chunk_blocks(sb) + 1) * c; +} + +/* Offset of the dquot structure in the quota file */ +static loff_t ol_dqblk_off(struct super_block *sb, int c, int off) +{ + int epb = ol_quota_entries_per_block(sb); + + return ((ol_quota_chunk_block(sb, c) + 1 + off / epb) + << sb->s_blocksize_bits) + + (off % epb) * sizeof(struct ocfs2_local_disk_dqblk); +} + +/* Compute block number from given offset */ +static inline unsigned int ol_dqblk_file_block(struct super_block *sb, loff_t off) +{ + return off >> sb->s_blocksize_bits; +} + +static inline unsigned int ol_dqblk_block_offset(struct super_block *sb, loff_t off) +{ + return off & ((1 << sb->s_blocksize_bits) - 1); +} + +/* Compute offset in the chunk of a structure with the given offset */ +static int ol_dqblk_chunk_off(struct super_block *sb, int c, loff_t off) +{ + int epb = ol_quota_entries_per_block(sb); + + return ((off >> sb->s_blocksize_bits) - + ol_quota_chunk_block(sb, c) - 1) * epb + + ((unsigned int)(off & ((1 << sb->s_blocksize_bits) - 1))) / + sizeof(struct ocfs2_local_disk_dqblk); +} + +/* Write bufferhead into the fs */ +static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh, + void (*modify)(struct buffer_head *, void *), void *private) +{ + struct super_block *sb = inode->i_sb; + handle_t *handle; + int status; + + handle = ocfs2_start_trans(OCFS2_SB(sb), 1); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + return status; + } + status = ocfs2_journal_access(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + ocfs2_commit_trans(OCFS2_SB(sb), handle); + return status; + } + lock_buffer(bh); + modify(bh, private); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) { + mlog_errno(status); + ocfs2_commit_trans(OCFS2_SB(sb), handle); + return status; + } + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + return status; + } + return 0; +} + +/* Check whether we understand format of quota files */ +static int ocfs2_local_check_quota_file(struct super_block *sb, int type) +{ + unsigned int lmagics[MAXQUOTAS] = OCFS2_LOCAL_QMAGICS; + unsigned int lversions[MAXQUOTAS] = OCFS2_LOCAL_QVERSIONS; + unsigned int gmagics[MAXQUOTAS] = OCFS2_GLOBAL_QMAGICS; + unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS; + unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE, + GROUP_QUOTA_SYSTEM_INODE }; + struct buffer_head *bh; + struct inode *linode = sb_dqopt(sb)->files[type]; + struct inode *ginode = NULL; + struct ocfs2_disk_dqheader *dqhead; + int status, ret = 0; + + /* First check whether we understand local quota file */ + bh = ocfs2_read_quota_block(linode, 0, &status); + if (!bh) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file header (type=%d)\n", + type); + goto out_err; + } + dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data); + if (le32_to_cpu(dqhead->dqh_magic) != lmagics[type]) { + mlog(ML_ERROR, "quota file magic does not match (%u != %u)," + " type=%d\n", le32_to_cpu(dqhead->dqh_magic), + lmagics[type], type); + goto out_err; + } + if (le32_to_cpu(dqhead->dqh_version) != lversions[type]) { + mlog(ML_ERROR, "quota file version does not match (%u != %u)," + " type=%d\n", le32_to_cpu(dqhead->dqh_version), + lversions[type], type); + goto out_err; + } + brelse(bh); + bh = NULL; + + /* Next check whether we understand global quota file */ + ginode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type], + OCFS2_INVALID_SLOT); + if (!ginode) { + mlog(ML_ERROR, "cannot get global quota file inode " + "(type=%d)\n", type); + goto out_err; + } + /* Since the header is read only, we don't care about locking */ + bh = ocfs2_read_quota_block(ginode, 0, &status); + if (!bh) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read global quota file header " + "(type=%d)\n", type); + goto out_err; + } + dqhead = (struct ocfs2_disk_dqheader *)(bh->b_data); + if (le32_to_cpu(dqhead->dqh_magic) != gmagics[type]) { + mlog(ML_ERROR, "global quota file magic does not match " + "(%u != %u), type=%d\n", + le32_to_cpu(dqhead->dqh_magic), gmagics[type], type); + goto out_err; + } + if (le32_to_cpu(dqhead->dqh_version) != gversions[type]) { + mlog(ML_ERROR, "global quota file version does not match " + "(%u != %u), type=%d\n", + le32_to_cpu(dqhead->dqh_version), gversions[type], + type); + goto out_err; + } + + ret = 1; +out_err: + brelse(bh); + iput(ginode); + return ret; +} + +/* Release given list of quota file chunks */ +static void ocfs2_release_local_quota_bitmaps(struct list_head *head) +{ + struct ocfs2_quota_chunk *pos, *next; + + list_for_each_entry_safe(pos, next, head, qc_chunk) { + list_del(&pos->qc_chunk); + brelse(pos->qc_headerbh); + kmem_cache_free(ocfs2_qf_chunk_cachep, pos); + } +} + +/* Load quota bitmaps into memory */ +static int ocfs2_load_local_quota_bitmaps(struct inode *inode, + struct ocfs2_local_disk_dqinfo *ldinfo, + struct list_head *head) +{ + struct ocfs2_quota_chunk *newchunk; + int i, status; + + INIT_LIST_HEAD(head); + for (i = 0; i < le32_to_cpu(ldinfo->dqi_chunks); i++) { + newchunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS); + if (!newchunk) { + ocfs2_release_local_quota_bitmaps(head); + return -ENOMEM; + } + newchunk->qc_num = i; + newchunk->qc_headerbh = ocfs2_read_quota_block(inode, + ol_quota_chunk_block(inode->i_sb, i), + &status); + if (!newchunk->qc_headerbh) { + mlog_errno(status); + kmem_cache_free(ocfs2_qf_chunk_cachep, newchunk); + ocfs2_release_local_quota_bitmaps(head); + return status; + } + list_add_tail(&newchunk->qc_chunk, head); + } + return 0; +} + +static void olq_update_info(struct buffer_head *bh, void *private) +{ + struct mem_dqinfo *info = private; + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_local_disk_dqinfo *ldinfo; + + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + spin_lock(&dq_data_lock); + ldinfo->dqi_flags = cpu_to_le32(info->dqi_flags & DQF_MASK); + ldinfo->dqi_chunks = cpu_to_le32(oinfo->dqi_chunks); + ldinfo->dqi_blocks = cpu_to_le32(oinfo->dqi_blocks); + spin_unlock(&dq_data_lock); +} + +/* Read information header from quota file */ +static int ocfs2_local_read_info(struct super_block *sb, int type) +{ + struct ocfs2_local_disk_dqinfo *ldinfo; + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + int status; + struct buffer_head *bh = NULL; + int locked = 0; + + info->dqi_maxblimit = 0x7fffffffffffffffLL; + info->dqi_maxilimit = 0x7fffffffffffffffLL; + oinfo = kmalloc(sizeof(struct ocfs2_mem_dqinfo), GFP_NOFS); + if (!oinfo) { + mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota" + " info."); + goto out_err; + } + info->dqi_priv = oinfo; + oinfo->dqi_type = type; + INIT_LIST_HEAD(&oinfo->dqi_chunk); + oinfo->dqi_lqi_bh = NULL; + oinfo->dqi_ibh = NULL; + + status = ocfs2_global_read_info(sb, type); + if (status < 0) + goto out_err; + + status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + locked = 1; + + /* Now read local header */ + bh = ocfs2_read_quota_block(lqinode, 0, &status); + if (!bh) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(type=%d)\n", type); + goto out_err; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + info->dqi_flags = le32_to_cpu(ldinfo->dqi_flags); + oinfo->dqi_chunks = le32_to_cpu(ldinfo->dqi_chunks); + oinfo->dqi_blocks = le32_to_cpu(ldinfo->dqi_blocks); + oinfo->dqi_ibh = bh; + + /* We crashed when using local quota file? */ + if (!(info->dqi_flags & OLQF_CLEAN)) + goto out_err; /* So far we just bail out. Later we should resync here */ + + status = ocfs2_load_local_quota_bitmaps(sb_dqopt(sb)->files[type], + ldinfo, + &oinfo->dqi_chunk); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + /* Now mark quota file as used */ + info->dqi_flags &= ~OLQF_CLEAN; + status = ocfs2_modify_bh(lqinode, bh, olq_update_info, info); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + return 0; +out_err: + if (oinfo) { + iput(oinfo->dqi_gqinode); + ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock); + ocfs2_lock_res_free(&oinfo->dqi_gqlock); + brelse(oinfo->dqi_lqi_bh); + if (locked) + ocfs2_inode_unlock(lqinode, 1); + ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + kfree(oinfo); + } + brelse(bh); + return -1; +} + +/* Write local info to quota file */ +static int ocfs2_local_write_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct buffer_head *bh = ((struct ocfs2_mem_dqinfo *)info->dqi_priv) + ->dqi_ibh; + int status; + + status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info, + info); + if (status < 0) { + mlog_errno(status); + return -1; + } + + return 0; +} + +/* Release info from memory */ +static int ocfs2_local_free_info(struct super_block *sb, int type) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_local_disk_chunk *dchunk; + int mark_clean = 1, len; + int status; + + iput(oinfo->dqi_gqinode); + ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock); + ocfs2_lock_res_free(&oinfo->dqi_gqlock); + list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) { + dchunk = (struct ocfs2_local_disk_chunk *) + (chunk->qc_headerbh->b_data); + if (chunk->qc_num < oinfo->dqi_chunks - 1) { + len = ol_chunk_entries(sb); + } else { + len = (oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1) + * ol_quota_entries_per_block(sb); + } + /* Not all entries free? Bug! */ + if (le32_to_cpu(dchunk->dqc_free) != len) { + mlog(ML_ERROR, "releasing quota file with used " + "entries (type=%d)\n", type); + mark_clean = 0; + } + } + ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + + if (!mark_clean) + goto out; + + /* Mark local file as clean */ + info->dqi_flags |= OLQF_CLEAN; + status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], + oinfo->dqi_ibh, + olq_update_info, + info); + if (status < 0) { + mlog_errno(status); + goto out; + } + +out: + ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1); + brelse(oinfo->dqi_ibh); + brelse(oinfo->dqi_lqi_bh); + kfree(oinfo); + return 0; +} + +static void olq_set_dquot(struct buffer_head *bh, void *private) +{ + struct ocfs2_dquot *od = private; + struct ocfs2_local_disk_dqblk *dqblk; + struct super_block *sb = od->dq_dquot.dq_sb; + + dqblk = (struct ocfs2_local_disk_dqblk *)(bh->b_data + + ol_dqblk_block_offset(sb, od->dq_local_off)); + + dqblk->dqb_id = cpu_to_le64(od->dq_dquot.dq_id); + spin_lock(&dq_data_lock); + dqblk->dqb_spacemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curspace - + od->dq_origspace); + dqblk->dqb_inodemod = cpu_to_le64(od->dq_dquot.dq_dqb.dqb_curinodes - + od->dq_originodes); + spin_unlock(&dq_data_lock); + mlog(0, "Writing local dquot %u space %lld inodes %lld\n", + od->dq_dquot.dq_id, dqblk->dqb_spacemod, dqblk->dqb_inodemod); +} + +/* Write dquot to local quota file */ +static int ocfs2_local_write_dquot(struct dquot *dquot) +{ + struct super_block *sb = dquot->dq_sb; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + struct buffer_head *bh; + int status; + + bh = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type], + ol_dqblk_file_block(sb, od->dq_local_off), + &status); + if (!bh) { + mlog_errno(status); + goto out; + } + status = ocfs2_modify_bh(sb_dqopt(sb)->files[dquot->dq_type], bh, + olq_set_dquot, od); + if (status < 0) { + mlog_errno(status); + goto out; + } +out: + brelse(bh); + return status; +} + +/* Find free entry in local quota file */ +static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_local_disk_chunk *dchunk; + int found = 0, len; + + list_for_each_entry(chunk, &oinfo->dqi_chunk, qc_chunk) { + dchunk = (struct ocfs2_local_disk_chunk *) + chunk->qc_headerbh->b_data; + if (le32_to_cpu(dchunk->dqc_free) > 0) { + found = 1; + break; + } + } + if (!found) + return NULL; + + if (chunk->qc_num < oinfo->dqi_chunks - 1) { + len = ol_chunk_entries(sb); + } else { + len = (oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1) + * ol_quota_entries_per_block(sb); + } + + found = ocfs2_find_next_zero_bit(dchunk->dqc_bitmap, len, 0); + /* We failed? */ + if (found == len) { + mlog(ML_ERROR, "Did not find empty entry in chunk %d with %u" + " entries free (type=%d)\n", chunk->qc_num, + le32_to_cpu(dchunk->dqc_free), type); + return ERR_PTR(-EIO); + } + *offset = found; + return chunk; +} + +/* Add new chunk to the local quota file */ +static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk( + struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_quota_chunk *chunk = NULL; + struct ocfs2_local_disk_chunk *dchunk; + int status; + handle_t *handle; + struct buffer_head *bh = NULL; + u64 p_blkno; + + /* We are protected by dqio_sem so no locking needed */ + status = ocfs2_extend_no_holes(lqinode, + lqinode->i_size + 2 * sb->s_blocksize, + lqinode->i_size); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, + lqinode->i_size + 2 * sb->s_blocksize); + if (status < 0) { + mlog_errno(status); + goto out; + } + + chunk = kmem_cache_alloc(ocfs2_qf_chunk_cachep, GFP_NOFS); + if (!chunk) { + status = -ENOMEM; + mlog_errno(status); + goto out; + } + + down_read(&OCFS2_I(lqinode)->ip_alloc_sem); + status = ocfs2_extent_map_get_blocks(lqinode, oinfo->dqi_blocks, + &p_blkno, NULL, NULL); + up_read(&OCFS2_I(lqinode)->ip_alloc_sem); + if (status < 0) { + mlog_errno(status); + goto out; + } + bh = sb_getblk(sb, p_blkno); + if (!bh) { + status = -ENOMEM; + mlog_errno(status); + goto out; + } + dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data; + + handle = ocfs2_start_trans(OCFS2_SB(sb), 2); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + + status = ocfs2_journal_access(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + lock_buffer(bh); + dchunk->dqc_free = ol_quota_entries_per_block(sb); + memset(dchunk->dqc_bitmap, 0, + sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) - + OCFS2_QBLK_RESERVED_SPACE); + set_buffer_uptodate(bh); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + oinfo->dqi_blocks += 2; + oinfo->dqi_chunks++; + status = ocfs2_local_write_info(sb, type); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + goto out; + } + + list_add_tail(&chunk->qc_chunk, &oinfo->dqi_chunk); + chunk->qc_num = list_entry(chunk->qc_chunk.prev, + struct ocfs2_quota_chunk, + qc_chunk)->qc_num + 1; + chunk->qc_headerbh = bh; + *offset = 0; + return chunk; +out_trans: + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + brelse(bh); + kmem_cache_free(ocfs2_qf_chunk_cachep, chunk); + return ERR_PTR(status); +} + +/* Find free entry in local quota file */ +static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file( + struct super_block *sb, + int type, + int *offset) +{ + struct mem_dqinfo *info = sb_dqinfo(sb, type); + struct ocfs2_mem_dqinfo *oinfo = info->dqi_priv; + struct ocfs2_quota_chunk *chunk; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_local_disk_chunk *dchunk; + int epb = ol_quota_entries_per_block(sb); + unsigned int chunk_blocks; + int status; + handle_t *handle; + + if (list_empty(&oinfo->dqi_chunk)) + return ocfs2_local_quota_add_chunk(sb, type, offset); + /* Is the last chunk full? */ + chunk = list_entry(oinfo->dqi_chunk.prev, + struct ocfs2_quota_chunk, qc_chunk); + chunk_blocks = oinfo->dqi_blocks - + ol_quota_chunk_block(sb, chunk->qc_num) - 1; + if (ol_chunk_blocks(sb) == chunk_blocks) + return ocfs2_local_quota_add_chunk(sb, type, offset); + + /* We are protected by dqio_sem so no locking needed */ + status = ocfs2_extend_no_holes(lqinode, + lqinode->i_size + sb->s_blocksize, + lqinode->i_size); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = ocfs2_simple_size_update(lqinode, oinfo->dqi_lqi_bh, + lqinode->i_size + sb->s_blocksize); + if (status < 0) { + mlog_errno(status); + goto out; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), 2); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out; + } + status = ocfs2_journal_access(handle, lqinode, chunk->qc_headerbh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + dchunk = (struct ocfs2_local_disk_chunk *)chunk->qc_headerbh->b_data; + lock_buffer(chunk->qc_headerbh); + le32_add_cpu(&dchunk->dqc_free, ol_quota_entries_per_block(sb)); + unlock_buffer(chunk->qc_headerbh); + status = ocfs2_journal_dirty(handle, chunk->qc_headerbh); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + oinfo->dqi_blocks++; + status = ocfs2_local_write_info(sb, type); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + + status = ocfs2_commit_trans(OCFS2_SB(sb), handle); + if (status < 0) { + mlog_errno(status); + goto out; + } + *offset = chunk_blocks * epb; + return chunk; +out_trans: + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out: + return ERR_PTR(status); +} + +void olq_alloc_dquot(struct buffer_head *bh, void *private) +{ + int *offset = private; + struct ocfs2_local_disk_chunk *dchunk; + + dchunk = (struct ocfs2_local_disk_chunk *)bh->b_data; + ocfs2_set_bit(*offset, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, -1); +} + +/* Create dquot in the local file for given id */ +static int ocfs2_create_local_dquot(struct dquot *dquot) +{ + struct super_block *sb = dquot->dq_sb; + int type = dquot->dq_type; + struct inode *lqinode = sb_dqopt(sb)->files[type]; + struct ocfs2_quota_chunk *chunk; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + int offset; + int status; + + chunk = ocfs2_find_free_entry(sb, type, &offset); + if (!chunk) { + chunk = ocfs2_extend_local_quota_file(sb, type, &offset); + if (IS_ERR(chunk)) + return PTR_ERR(chunk); + } else if (IS_ERR(chunk)) { + return PTR_ERR(chunk); + } + od->dq_local_off = ol_dqblk_off(sb, chunk->qc_num, offset); + od->dq_chunk = chunk; + + /* Initialize dquot structure on disk */ + status = ocfs2_local_write_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out; + } + + /* Mark structure as allocated */ + status = ocfs2_modify_bh(lqinode, chunk->qc_headerbh, olq_alloc_dquot, + &offset); + if (status < 0) { + mlog_errno(status); + goto out; + } +out: + return status; +} + +/* Create entry in local file for dquot, load data from the global file */ +static int ocfs2_local_read_dquot(struct dquot *dquot) +{ + int status; + + mlog_entry("id=%u, type=%d\n", dquot->dq_id, dquot->dq_type); + + status = ocfs2_global_read_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + + /* Now create entry in the local quota file */ + status = ocfs2_create_local_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + mlog_exit(0); + return 0; +out_err: + mlog_exit(status); + return status; +} + +/* Release dquot structure from local quota file. ocfs2_release_dquot() has + * already started a transaction and obtained exclusive lock for global + * quota file. */ +static int ocfs2_local_release_dquot(struct dquot *dquot) +{ + int status; + int type = dquot->dq_type; + struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); + struct super_block *sb = dquot->dq_sb; + struct ocfs2_local_disk_chunk *dchunk; + int offset; + handle_t *handle = journal_current_handle(); + + BUG_ON(!handle); + /* First write all local changes to global file */ + status = ocfs2_global_release_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out; + } + + status = ocfs2_journal_access(handle, sb_dqopt(sb)->files[type], + od->dq_chunk->qc_headerbh, OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out; + } + offset = ol_dqblk_chunk_off(sb, od->dq_chunk->qc_num, + od->dq_local_off); + dchunk = (struct ocfs2_local_disk_chunk *) + (od->dq_chunk->qc_headerbh->b_data); + /* Mark structure as freed */ + lock_buffer(od->dq_chunk->qc_headerbh); + ocfs2_clear_bit(offset, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, 1); + unlock_buffer(od->dq_chunk->qc_headerbh); + status = ocfs2_journal_dirty(handle, od->dq_chunk->qc_headerbh); + if (status < 0) { + mlog_errno(status); + goto out; + } + status = 0; +out: + /* Clear the read bit so that next time someone uses this + * dquot he reads fresh info from disk and allocates local + * dquot structure */ + clear_bit(DQ_READ_B, &dquot->dq_flags); + return status; +} + +static struct quota_format_ops ocfs2_format_ops = { + .check_quota_file = ocfs2_local_check_quota_file, + .read_file_info = ocfs2_local_read_info, + .write_file_info = ocfs2_global_write_info, + .free_file_info = ocfs2_local_free_info, + .read_dqblk = ocfs2_local_read_dquot, + .commit_dqblk = ocfs2_local_write_dquot, + .release_dqblk = ocfs2_local_release_dquot, +}; + +struct quota_format_type ocfs2_quota_format = { + .qf_fmt_id = QFMT_OCFS2, + .qf_ops = &ocfs2_format_ops, + .qf_owner = THIS_MODULE +}; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 41bb019..7bb83e4 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -65,10 +65,13 @@ #include "uptodate.h" #include "ver.h" #include "xattr.h" +#include "quota.h" #include "buffer_head_io.h" static struct kmem_cache *ocfs2_inode_cachep = NULL; +struct kmem_cache *ocfs2_dquot_cachep; +struct kmem_cache *ocfs2_qf_chunk_cachep; /* OCFS2 needs to schedule several differnt types of work which * require cluster locking, disk I/O, recovery waits, etc. Since these @@ -137,6 +140,8 @@ static const struct super_operations ocfs2_sops = { .put_super = ocfs2_put_super, .remount_fs = ocfs2_remount, .show_options = ocfs2_show_options, + .quota_read = ocfs2_quota_read, + .quota_write = ocfs2_quota_write, }; enum { @@ -1104,6 +1109,7 @@ static int __init ocfs2_init(void) ocfs2_set_locking_protocol(); + status = register_quota_format(&ocfs2_quota_format); leave: if (status < 0) { ocfs2_free_mem_caches(); @@ -1127,6 +1133,8 @@ static void __exit ocfs2_exit(void) destroy_workqueue(ocfs2_wq); } + unregister_quota_format(&ocfs2_quota_format); + debugfs_remove(ocfs2_debugfs_root); ocfs2_free_mem_caches(); @@ -1242,8 +1250,27 @@ static int ocfs2_initialize_mem_caches(void) (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| SLAB_MEM_SPREAD), ocfs2_inode_init_once); - if (!ocfs2_inode_cachep) + ocfs2_dquot_cachep = kmem_cache_create("ocfs2_dquot_cache", + sizeof(struct ocfs2_dquot), + 0, + (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| + SLAB_MEM_SPREAD), + NULL); + ocfs2_qf_chunk_cachep = kmem_cache_create("ocfs2_qf_chunk_cache", + sizeof(struct ocfs2_quota_chunk), + 0, + (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), + NULL); + if (!ocfs2_inode_cachep || !ocfs2_dquot_cachep || + !ocfs2_qf_chunk_cachep) { + if (ocfs2_inode_cachep) + kmem_cache_destroy(ocfs2_inode_cachep); + if (ocfs2_dquot_cachep) + kmem_cache_destroy(ocfs2_dquot_cachep); + if (ocfs2_qf_chunk_cachep) + kmem_cache_destroy(ocfs2_qf_chunk_cachep); return -ENOMEM; + } return 0; } @@ -1252,8 +1279,15 @@ static void ocfs2_free_mem_caches(void) { if (ocfs2_inode_cachep) kmem_cache_destroy(ocfs2_inode_cachep); - ocfs2_inode_cachep = NULL; + + if (ocfs2_dquot_cachep) + kmem_cache_destroy(ocfs2_dquot_cachep); + ocfs2_dquot_cachep = NULL; + + if (ocfs2_qf_chunk_cachep) + kmem_cache_destroy(ocfs2_qf_chunk_cachep); + ocfs2_qf_chunk_cachep = NULL; } static int ocfs2_get_sector(struct super_block *sb, -- cgit v0.10.2 From a90714c150e3ce677c57a9dac3ab1ec342c75a95 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 9 Oct 2008 19:38:40 +0200 Subject: ocfs2: Add quota calls for allocation and freeing of inodes and space Add quota calls for allocation and freeing of inodes and space, also update estimates on number of needed credits for a transaction. Move out inode allocation from ocfs2_mknod_locked() because vfs_dq_init() must be called outside of a transaction. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 69d67ab..84a7bd4 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -28,6 +28,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_DISK_ALLOC #include @@ -5322,7 +5323,7 @@ int ocfs2_remove_btree_range(struct inode *inode, } } - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb)); if (IS_ERR(handle)) { ret = PTR_ERR(handle); mlog_errno(ret); @@ -6552,6 +6553,8 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb, goto bail; } + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_del)); spin_lock(&OCFS2_I(inode)->ip_lock); OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) - clusters_to_del; @@ -6860,6 +6863,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, struct page **pages = NULL; loff_t end = osb->s_clustersize; struct ocfs2_extent_tree et; + int did_quota = 0; has_data = i_size_read(inode) ? 1 : 0; @@ -6879,7 +6883,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, } } - handle = ocfs2_start_trans(osb, OCFS2_INLINE_TO_EXTENTS_CREDITS); + handle = ocfs2_start_trans(osb, + ocfs2_inline_to_extents_credits(osb->sb)); if (IS_ERR(handle)) { ret = PTR_ERR(handle); mlog_errno(ret); @@ -6898,6 +6903,13 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, unsigned int page_end; u64 phys; + if (vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1))) { + ret = -EDQUOT; + goto out_commit; + } + did_quota = 1; + ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &num); if (ret) { @@ -6971,6 +6983,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, } out_commit: + if (ret < 0 && did_quota) + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1)); + ocfs2_commit_trans(osb, handle); out_unlock: diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6af79ad..6b647ec 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -27,6 +27,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_FILE_IO #include @@ -1730,6 +1731,11 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, wc->w_handle = handle; + if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) { + ret = -EDQUOT; + goto out_commit; + } /* * We don't want this to fail in ocfs2_write_end(), so do it * here. @@ -1738,7 +1744,7 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } /* @@ -1751,14 +1757,14 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, mmap_page); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos, len); if (ret) { mlog_errno(ret); - goto out_commit; + goto out_quota; } if (data_ac) @@ -1770,6 +1776,10 @@ success: *pagep = wc->w_target_page; *fsdata = wc; return 0; +out_quota: + if (clusters_to_alloc) + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc)); out_commit: ocfs2_commit_trans(osb, handle); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index d83cff9..3708fe4 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -40,6 +40,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_NAMEI #include @@ -1210,9 +1211,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, unsigned int blocks_wanted, struct buffer_head **first_block_bh) { - int ret, credits = OCFS2_INLINE_TO_EXTENTS_CREDITS; u32 alloc, bit_off, len; struct super_block *sb = dir->i_sb; + int ret, credits = ocfs2_inline_to_extents_credits(sb); u64 blkno, bytes = blocks_wanted << sb->s_blocksize_bits; struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); struct ocfs2_inode_info *oi = OCFS2_I(dir); @@ -1221,6 +1222,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; handle_t *handle; struct ocfs2_extent_tree et; + int did_quota = 0; ocfs2_init_dinode_extent_tree(&et, dir, di_bh); @@ -1258,6 +1260,12 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, goto out_sem; } + if (vfs_dq_alloc_space_nodirty(dir, + ocfs2_clusters_to_bytes(osb->sb, alloc))) { + ret = -EDQUOT; + goto out_commit; + } + did_quota = 1; /* * Try to claim as many clusters as the bitmap can give though * if we only get one now, that's enough to continue. The rest @@ -1380,6 +1388,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, dirdata_bh = NULL; out_commit: + if (ret < 0 && did_quota) + vfs_dq_free_space_nodirty(dir, + ocfs2_clusters_to_bytes(osb->sb, 2)); ocfs2_commit_trans(osb, handle); out_sem: @@ -1404,7 +1415,7 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct buffer_head **new_bh) { int status; - int extend; + int extend, did_quota = 0; u64 p_blkno, v_blkno; spin_lock(&OCFS2_I(dir)->ip_lock); @@ -1414,6 +1425,13 @@ static int ocfs2_do_extend_dir(struct super_block *sb, if (extend) { u32 offset = OCFS2_I(dir)->ip_clusters; + if (vfs_dq_alloc_space_nodirty(dir, + ocfs2_clusters_to_bytes(sb, 1))) { + status = -EDQUOT; + goto bail; + } + did_quota = 1; + status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset, 1, 0, parent_fe_bh, handle, data_ac, meta_ac, NULL); @@ -1439,6 +1457,8 @@ static int ocfs2_do_extend_dir(struct super_block *sb, } status = 0; bail: + if (did_quota && status < 0) + vfs_dq_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1)); mlog_exit(status); return status; } diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 372d965..9374d37 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -35,6 +35,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_INODE #include @@ -57,6 +58,7 @@ #include "super.h" #include "xattr.h" #include "acl.h" +#include "quota.h" #include "buffer_head_io.h" @@ -534,6 +536,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; + int did_quota = 0; mlog_entry("(clusters_to_add = %u)\n", clusters_to_add); @@ -577,6 +580,13 @@ restart_all: } restarted_transaction: + if (vfs_dq_alloc_space_nodirty(inode, ocfs2_clusters_to_bytes(osb->sb, + clusters_to_add))) { + status = -EDQUOT; + goto leave; + } + did_quota = 1; + /* reserve a write to the file entry early on - that we if we * run out of credits in the allocation path, we can still * update i_size. */ @@ -614,6 +624,10 @@ restarted_transaction: spin_lock(&OCFS2_I(inode)->ip_lock); clusters_to_add -= (OCFS2_I(inode)->ip_clusters - prev_clusters); spin_unlock(&OCFS2_I(inode)->ip_lock); + /* Release unused quota reservation */ + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_add)); + did_quota = 0; if (why != RESTART_NONE && clusters_to_add) { if (why == RESTART_META) { @@ -646,6 +660,9 @@ restarted_transaction: OCFS2_I(inode)->ip_clusters, (long long)i_size_read(inode)); leave: + if (status < 0 && did_quota) + vfs_dq_free_space(inode, + ocfs2_clusters_to_bytes(osb->sb, clusters_to_add)); if (handle) { ocfs2_commit_trans(osb, handle); handle = NULL; @@ -877,6 +894,9 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) struct ocfs2_super *osb = OCFS2_SB(sb); struct buffer_head *bh = NULL; handle_t *handle = NULL; + int locked[MAXQUOTAS] = {0, 0}; + int credits, qtype; + struct ocfs2_mem_dqinfo *oinfo; mlog_entry("(0x%p, '%.*s')\n", dentry, dentry->d_name.len, dentry->d_name.name); @@ -947,11 +967,47 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) } } - handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); - if (IS_ERR(handle)) { - status = PTR_ERR(handle); - mlog_errno(status); - goto bail_unlock; + if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || + (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) { + credits = OCFS2_INODE_UPDATE_CREDITS; + if (attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid + && OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + oinfo = sb_dqinfo(sb, USRQUOTA)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto bail_unlock; + credits += ocfs2_calc_qinit_credits(sb, USRQUOTA) + + ocfs2_calc_qdel_credits(sb, USRQUOTA); + locked[USRQUOTA] = 1; + } + if (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid + && OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + oinfo = sb_dqinfo(sb, GRPQUOTA)->dqi_priv; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto bail_unlock; + credits += ocfs2_calc_qinit_credits(sb, GRPQUOTA) + + ocfs2_calc_qdel_credits(sb, GRPQUOTA); + locked[GRPQUOTA] = 1; + } + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto bail_unlock; + } + status = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0; + if (status < 0) + goto bail_commit; + } else { + handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto bail_unlock; + } } /* @@ -974,6 +1030,12 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) bail_commit: ocfs2_commit_trans(osb, handle); bail_unlock: + for (qtype = 0; qtype < MAXQUOTAS; qtype++) { + if (!locked[qtype]) + continue; + oinfo = sb_dqinfo(sb, qtype)->dqi_priv; + ocfs2_unlock_global_qf(oinfo, 1); + } ocfs2_inode_unlock(inode, 1); bail_unlock_rw: if (size_change) diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 50dbc48..288512c 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -28,6 +28,7 @@ #include #include #include +#include #include @@ -603,7 +604,8 @@ static int ocfs2_remove_inode(struct inode *inode, goto bail; } - handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS); + handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS + + ocfs2_quota_trans_credits(inode->i_sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); mlog_errno(status); @@ -635,6 +637,7 @@ static int ocfs2_remove_inode(struct inode *inode, } ocfs2_remove_from_cache(inode, di_bh); + vfs_dq_free_inode(inode); status = ocfs2_free_dinode(handle, inode_alloc_inode, inode_alloc_bh, di); @@ -917,7 +920,10 @@ void ocfs2_delete_inode(struct inode *inode) mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino); - if (is_bad_inode(inode)) { + /* When we fail in read_inode() we mark inode as bad. The second test + * catches the case when inode allocation fails before allocating + * a block for inode. */ + if (is_bad_inode(inode) || !OCFS2_I(inode)->ip_blkno) { mlog(0, "Skipping delete of bad inode\n"); goto bail; } diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 8203980..ee08e9c 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -284,6 +284,37 @@ int ocfs2_journal_dirty(handle_t *handle, /* extended attribute block update */ #define OCFS2_XATTR_BLOCK_UPDATE_CREDITS 1 +/* global quotafile inode update, data block */ +#define OCFS2_QINFO_WRITE_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) + +/* + * The two writes below can accidentally see global info dirty due + * to set_info() quotactl so make them prepared for the writes. + */ +/* quota data block, global info */ +/* Write to local quota file */ +#define OCFS2_QWRITE_CREDITS (OCFS2_QINFO_WRITE_CREDITS + 1) + +/* global quota data block, local quota data block, global quota inode, + * global quota info */ +#define OCFS2_QSYNC_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 3) + +static inline int ocfs2_quota_trans_credits(struct super_block *sb) +{ + int credits = 0; + + if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) + credits += OCFS2_QWRITE_CREDITS; + if (OCFS2_HAS_RO_COMPAT_FEATURE(sb, OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) + credits += OCFS2_QWRITE_CREDITS; + return credits; +} + +/* Number of credits needed for removing quota structure from file */ +int ocfs2_calc_qdel_credits(struct super_block *sb, int type); +/* Number of credits needed for initialization of new quota structure */ +int ocfs2_calc_qinit_credits(struct super_block *sb, int type); + /* group extend. inode update and last group update. */ #define OCFS2_GROUP_EXTEND_CREDITS (OCFS2_INODE_UPDATE_CREDITS + 1) @@ -294,8 +325,11 @@ int ocfs2_journal_dirty(handle_t *handle, * prev. group desc. if we relink. */ #define OCFS2_SUBALLOC_ALLOC (3) -#define OCFS2_INLINE_TO_EXTENTS_CREDITS (OCFS2_SUBALLOC_ALLOC \ - + OCFS2_INODE_UPDATE_CREDITS) +static inline int ocfs2_inline_to_extents_credits(struct super_block *sb) +{ + return OCFS2_SUBALLOC_ALLOC + OCFS2_INODE_UPDATE_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* dinode + group descriptor update. We don't relink on free yet. */ #define OCFS2_SUBALLOC_FREE (2) @@ -304,16 +338,23 @@ int ocfs2_journal_dirty(handle_t *handle, #define OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC (OCFS2_SUBALLOC_FREE \ + OCFS2_TRUNCATE_LOG_UPDATE) -#define OCFS2_REMOVE_EXTENT_CREDITS (OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS) +static inline int ocfs2_remove_extent_credits(struct super_block *sb) +{ + return OCFS2_TRUNCATE_LOG_UPDATE + OCFS2_INODE_UPDATE_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* data block for new dir/symlink, 2 for bitmap updates (bitmap fe + * bitmap block for the new bit) */ #define OCFS2_DIR_LINK_ADDITIONAL_CREDITS (1 + 2) /* parent fe, parent block, new file entry, inode alloc fe, inode alloc - * group descriptor + mkdir/symlink blocks */ -#define OCFS2_MKNOD_CREDITS (3 + OCFS2_SUBALLOC_ALLOC \ - + OCFS2_DIR_LINK_ADDITIONAL_CREDITS) + * group descriptor + mkdir/symlink blocks + quota update */ +static inline int ocfs2_mknod_credits(struct super_block *sb) +{ + return 3 + OCFS2_SUBALLOC_ALLOC + OCFS2_DIR_LINK_ADDITIONAL_CREDITS + + ocfs2_quota_trans_credits(sb); +} /* local alloc metadata change + main bitmap updates */ #define OCFS2_WINDOW_MOVE_CREDITS (OCFS2_INODE_UPDATE_CREDITS \ @@ -323,13 +364,21 @@ int ocfs2_journal_dirty(handle_t *handle, * for the dinode, one for the new block. */ #define OCFS2_SIMPLE_DIR_EXTEND_CREDITS (2) -/* file update (nlink, etc) + directory mtime/ctime + dir entry block */ -#define OCFS2_LINK_CREDITS (2*OCFS2_INODE_UPDATE_CREDITS + 1) +/* file update (nlink, etc) + directory mtime/ctime + dir entry block + quota + * update on dir */ +static inline int ocfs2_link_credits(struct super_block *sb) +{ + return 2*OCFS2_INODE_UPDATE_CREDITS + 1 + + ocfs2_quota_trans_credits(sb); +} /* inode + dir inode (if we unlink a dir), + dir entry block + orphan * dir inode link */ -#define OCFS2_UNLINK_CREDITS (2 * OCFS2_INODE_UPDATE_CREDITS + 1 \ - + OCFS2_LINK_CREDITS) +static inline int ocfs2_unlink_credits(struct super_block *sb) +{ + /* The quota update from ocfs2_link_credits is unused here... */ + return 2 * OCFS2_INODE_UPDATE_CREDITS + 1 + ocfs2_link_credits(sb); +} /* dinode + orphan dir dinode + inode alloc dinode + orphan dir entry + * inode alloc group descriptor */ @@ -338,8 +387,10 @@ int ocfs2_journal_dirty(handle_t *handle, /* dinode update, old dir dinode update, new dir dinode update, old * dir dir entry, new dir dir entry, dir entry update for renaming * directory + target unlink */ -#define OCFS2_RENAME_CREDITS (3 * OCFS2_INODE_UPDATE_CREDITS + 3 \ - + OCFS2_UNLINK_CREDITS) +static inline int ocfs2_rename_credits(struct super_block *sb) +{ + return 3 * OCFS2_INODE_UPDATE_CREDITS + 3 + ocfs2_unlink_credits(sb); +} /* global bitmap dinode, group desc., relinked group, * suballocator dinode, group desc., relinked group, @@ -377,18 +428,19 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb, * credit for the dinode there. */ extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth); - return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks; + return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks + + ocfs2_quota_trans_credits(sb); } static inline int ocfs2_calc_symlink_credits(struct super_block *sb) { - int blocks = OCFS2_MKNOD_CREDITS; + int blocks = ocfs2_mknod_credits(sb); /* links can be longer than one block so we may update many * within our single allocated extent. */ blocks += ocfs2_clusters_to_blocks(sb, 1); - return blocks; + return blocks + ocfs2_quota_trans_credits(sb); } static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb, @@ -425,6 +477,8 @@ static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb, /* update to the truncate log. */ credits += OCFS2_TRUNCATE_LOG_UPDATE; + credits += ocfs2_quota_trans_credits(sb); + return credits; } diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 0134baf..6173807 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -40,6 +40,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_NAMEI #include @@ -212,6 +213,7 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) } else inode->i_gid = current_fsgid(); inode->i_mode = mode; + vfs_dq_init(inode); return inode; } @@ -236,6 +238,7 @@ static int ocfs2_mknod(struct inode *dir, struct ocfs2_security_xattr_info si = { .enable = 1, }; + int did_quota_inode = 0; mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry, mode, (unsigned long)dev, dentry->d_name.len, @@ -323,7 +326,8 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - handle = ocfs2_start_trans(osb, OCFS2_MKNOD_CREDITS + xattr_credits); + handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb) + + xattr_credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -331,6 +335,15 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } + /* We don't use standard VFS wrapper because we don't want vfs_dq_init + * to be called. */ + if (sb_any_quota_active(osb->sb) && + osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { + status = -EDQUOT; + goto leave; + } + did_quota_inode = 1; + /* do the real work now. */ status = ocfs2_mknod_locked(osb, dir, inode, dentry, dev, &new_fe_bh, parent_fe_bh, handle, @@ -399,6 +412,8 @@ static int ocfs2_mknod(struct inode *dir, d_instantiate(dentry, inode); status = 0; leave: + if (status < 0 && did_quota_inode) + vfs_dq_free_inode(inode); if (handle) ocfs2_commit_trans(osb, handle); @@ -641,7 +656,7 @@ static int ocfs2_link(struct dentry *old_dentry, goto out_unlock_inode; } - handle = ocfs2_start_trans(osb, OCFS2_LINK_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_link_credits(osb->sb)); if (IS_ERR(handle)) { err = PTR_ERR(handle); handle = NULL; @@ -828,7 +843,7 @@ static int ocfs2_unlink(struct inode *dir, } } - handle = ocfs2_start_trans(osb, OCFS2_UNLINK_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_unlink_credits(osb->sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1234,7 +1249,7 @@ static int ocfs2_rename(struct inode *old_dir, } } - handle = ocfs2_start_trans(osb, OCFS2_RENAME_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_rename_credits(osb->sb)); if (IS_ERR(handle)) { status = PTR_ERR(handle); handle = NULL; @@ -1555,6 +1570,7 @@ static int ocfs2_symlink(struct inode *dir, struct ocfs2_security_xattr_info si = { .enable = 1, }; + int did_quota = 0, did_quota_inode = 0; mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir, dentry, symname, dentry->d_name.len, dentry->d_name.name); @@ -1648,6 +1664,15 @@ static int ocfs2_symlink(struct inode *dir, goto bail; } + /* We don't use standard VFS wrapper because we don't want vfs_dq_init + * to be called. */ + if (sb_any_quota_active(osb->sb) && + osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) { + status = -EDQUOT; + goto bail; + } + did_quota_inode = 1; + status = ocfs2_mknod_locked(osb, dir, inode, dentry, 0, &new_fe_bh, parent_fe_bh, handle, inode_ac); @@ -1663,6 +1688,12 @@ static int ocfs2_symlink(struct inode *dir, u32 offset = 0; inode->i_op = &ocfs2_symlink_inode_operations; + if (vfs_dq_alloc_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1))) { + status = -EDQUOT; + goto bail; + } + did_quota = 1; status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0, new_fe_bh, handle, data_ac, NULL, @@ -1728,6 +1759,11 @@ static int ocfs2_symlink(struct inode *dir, dentry->d_op = &ocfs2_dentry_ops; d_instantiate(dentry, inode); bail: + if (status < 0 && did_quota) + vfs_dq_free_space_nodirty(inode, + ocfs2_clusters_to_bytes(osb->sb, 1)); + if (status < 0 && did_quota_inode) + vfs_dq_free_inode(inode); if (handle) ocfs2_commit_trans(osb, handle); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9cb71e1..3b9634c 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1665,7 +1665,8 @@ static int ocfs2_remove_value_outside(struct inode*inode, ocfs2_init_dealloc_ctxt(&ctxt.dealloc); - ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + ctxt.handle = ocfs2_start_trans(osb, + ocfs2_remove_extent_credits(osb->sb)); if (IS_ERR(ctxt.handle)) { ret = PTR_ERR(ctxt.handle); mlog_errno(ret); @@ -2233,7 +2234,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, */ if (!xi->value) { if (!ocfs2_xattr_is_local(xe)) - credits += OCFS2_REMOVE_EXTENT_CREDITS; + credits += ocfs2_remove_extent_credits(inode->i_sb); goto out; } @@ -2250,7 +2251,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, */ if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) { clusters_add += new_clusters; - credits += OCFS2_REMOVE_EXTENT_CREDITS + + credits += ocfs2_remove_extent_credits(inode->i_sb) + OCFS2_INODE_UPDATE_CREDITS; if (!ocfs2_xattr_is_local(xe)) credits += ocfs2_calc_extend_credits( @@ -2275,7 +2276,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, xv = &def_xv.xv; if (old_clusters >= new_clusters) { - credits += OCFS2_REMOVE_EXTENT_CREDITS; + credits += ocfs2_remove_extent_credits(inode->i_sb); goto out; } else { meta_add += ocfs2_extend_meta_needed(&xv->xr_list); @@ -4750,7 +4751,7 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, } } - handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + handle = ocfs2_start_trans(osb, ocfs2_remove_extent_credits(osb->sb)); if (IS_ERR(handle)) { ret = -ENOMEM; mlog_errno(ret); @@ -5109,7 +5110,8 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, ocfs2_init_dealloc_ctxt(&ctxt.dealloc); - ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS); + ctxt.handle = ocfs2_start_trans(osb, + ocfs2_remove_extent_credits(osb->sb)); if (IS_ERR(ctxt.handle)) { ret = PTR_ERR(ctxt.handle); mlog_errno(ret); -- cgit v0.10.2 From 171bf93ce11f4c9929fdce6ce63df8da2f3c4475 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Mon, 20 Oct 2008 15:36:47 +0200 Subject: ocfs2: Periodic quota syncing This patch creates a work queue for periodic syncing of locally cached quota information to the global quota files. We constantly queue a delayed work item, to get the periodic behavior. Signed-off-by: Mark Fasheh Acked-by: Jan Kara diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h index 1f1c863..e2233d5 100644 --- a/fs/ocfs2/quota.h +++ b/fs/ocfs2/quota.h @@ -39,6 +39,7 @@ struct ocfs2_mem_dqinfo { unsigned int dqi_chunks; /* Number of chunks in local quota file */ unsigned int dqi_blocks; /* Number of blocks allocated for local quota file */ unsigned int dqi_syncms; /* How often should we sync with other nodes */ + unsigned int dqi_syncjiff; /* Precomputed dqi_syncms in jiffies */ struct list_head dqi_chunk; /* List of chunks */ struct inode *dqi_gqinode; /* Global quota file inode */ struct ocfs2_lock_res dqi_gqlock; /* Lock protecting quota information structure */ @@ -47,6 +48,7 @@ struct ocfs2_mem_dqinfo { struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */ struct buffer_head *dqi_ibh; /* Buffer with information header */ struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ + struct delayed_work dqi_sync_work; /* Work for syncing dquots */ }; static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) @@ -90,4 +92,7 @@ struct buffer_head *ocfs2_read_quota_block(struct inode *inode, extern struct dquot_operations ocfs2_quota_operations; extern struct quota_format_type ocfs2_quota_format; +int ocfs2_quota_setup(void); +void ocfs2_quota_shutdown(void); + #endif /* _OCFS2_QUOTA_H */ diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index af8340c..adf5350 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -1,10 +1,14 @@ /* * Implementation of operations over global quota file */ +#include #include #include #include #include +#include +#include +#include #define MLOG_MASK_PREFIX ML_QUOTA #include @@ -20,6 +24,10 @@ #include "uptodate.h" #include "quota.h" +static struct workqueue_struct *ocfs2_quota_wq = NULL; + +static void qsync_work_fn(struct work_struct *work); + static void ocfs2_global_disk2memdqb(struct dquot *dquot, void *dp) { struct ocfs2_global_disk_dqblk *d = dp; @@ -313,6 +321,7 @@ int ocfs2_global_read_info(struct super_block *sb, int type) info->dqi_bgrace = le32_to_cpu(dinfo.dqi_bgrace); info->dqi_igrace = le32_to_cpu(dinfo.dqi_igrace); oinfo->dqi_syncms = le32_to_cpu(dinfo.dqi_syncms); + oinfo->dqi_syncjiff = msecs_to_jiffies(oinfo->dqi_syncms); oinfo->dqi_gi.dqi_blocks = le32_to_cpu(dinfo.dqi_blocks); oinfo->dqi_gi.dqi_free_blk = le32_to_cpu(dinfo.dqi_free_blk); oinfo->dqi_gi.dqi_free_entry = le32_to_cpu(dinfo.dqi_free_entry); @@ -320,6 +329,10 @@ int ocfs2_global_read_info(struct super_block *sb, int type) oinfo->dqi_gi.dqi_usable_bs = sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE; oinfo->dqi_gi.dqi_qtree_depth = qtree_depth(&oinfo->dqi_gi); + INIT_DELAYED_WORK(&oinfo->dqi_sync_work, qsync_work_fn); + queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work, + oinfo->dqi_syncjiff); + out_err: mlog_exit(status); return status; @@ -520,6 +533,61 @@ out: } /* + * Functions for periodic syncing of dquots with global file + */ +static int ocfs2_sync_dquot_helper(struct dquot *dquot, unsigned long type) +{ + handle_t *handle; + struct super_block *sb = dquot->dq_sb; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_super *osb = OCFS2_SB(sb); + int status = 0; + + mlog_entry("id=%u qtype=%u type=%lu device=%s\n", dquot->dq_id, + dquot->dq_type, type, sb->s_id); + if (type != dquot->dq_type) + goto out; + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + + handle = ocfs2_start_trans(osb, OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_ilock; + } + mutex_lock(&sb_dqopt(sb)->dqio_mutex); + status = ocfs2_sync_dquot(dquot); + mutex_unlock(&sb_dqopt(sb)->dqio_mutex); + if (status < 0) + mlog_errno(status); + /* We have to write local structure as well... */ + dquot_mark_dquot_dirty(dquot); + status = dquot_commit(dquot); + if (status < 0) + mlog_errno(status); + ocfs2_commit_trans(osb, handle); +out_ilock: + ocfs2_unlock_global_qf(oinfo, 1); +out: + mlog_exit(status); + return status; +} + +static void qsync_work_fn(struct work_struct *work) +{ + struct ocfs2_mem_dqinfo *oinfo = container_of(work, + struct ocfs2_mem_dqinfo, + dqi_sync_work.work); + struct super_block *sb = oinfo->dqi_gqinode->i_sb; + + dquot_scan_active(sb, ocfs2_sync_dquot_helper, oinfo->dqi_type); + queue_delayed_work(ocfs2_quota_wq, &oinfo->dqi_sync_work, + oinfo->dqi_syncjiff); +} + +/* * Wrappers for generic quota functions */ @@ -917,3 +985,20 @@ struct dquot_operations ocfs2_quota_operations = { .alloc_dquot = ocfs2_alloc_dquot, .destroy_dquot = ocfs2_destroy_dquot, }; + +int ocfs2_quota_setup(void) +{ + ocfs2_quota_wq = create_workqueue("o2quot"); + if (!ocfs2_quota_wq) + return -ENOMEM; + return 0; +} + +void ocfs2_quota_shutdown(void) +{ + if (ocfs2_quota_wq) { + flush_workqueue(ocfs2_quota_wq); + destroy_workqueue(ocfs2_quota_wq); + ocfs2_quota_wq = NULL; + } +} diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 55c3f2f..40e82b4 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -368,6 +368,10 @@ static int ocfs2_local_free_info(struct super_block *sb, int type) int mark_clean = 1, len; int status; + /* At this point we know there are no more dquots and thus + * even if there's some sync in the pdflush queue, it won't + * find any dquots and return without doing anything */ + cancel_delayed_work_sync(&oinfo->dqi_sync_work); iput(oinfo->dqi_gqinode); ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock); ocfs2_lock_res_free(&oinfo->dqi_gqlock); diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 7bb83e4..60f1d294 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -1107,11 +1107,16 @@ static int __init ocfs2_init(void) mlog(ML_ERROR, "Unable to create ocfs2 debugfs root.\n"); } + status = ocfs2_quota_setup(); + if (status) + goto leave; + ocfs2_set_locking_protocol(); status = register_quota_format(&ocfs2_quota_format); leave: if (status < 0) { + ocfs2_quota_shutdown(); ocfs2_free_mem_caches(); exit_ocfs2_uptodate_cache(); } @@ -1128,6 +1133,8 @@ static void __exit ocfs2_exit(void) { mlog_entry_void(); + ocfs2_quota_shutdown(); + if (ocfs2_wq) { flush_workqueue(ocfs2_wq); destroy_workqueue(ocfs2_wq); -- cgit v0.10.2 From 2205363dce7447b8e85f1ead14387664c1a98753 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 20 Oct 2008 23:50:38 +0200 Subject: ocfs2: Implement quota recovery Implement functions for recovery after a crash. Functions just read local quota file and sync info to global quota file. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 11a1178..c602420 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -45,6 +45,7 @@ #include "slot_map.h" #include "super.h" #include "sysfile.h" +#include "quota.h" #include "buffer_head_io.h" @@ -52,7 +53,7 @@ DEFINE_SPINLOCK(trans_inc_lock); static int ocfs2_force_read_journal(struct inode *inode); static int ocfs2_recover_node(struct ocfs2_super *osb, - int node_num); + int node_num, int slot_num); static int __ocfs2_recovery_thread(void *arg); static int ocfs2_commit_cache(struct ocfs2_super *osb); static int ocfs2_wait_on_mount(struct ocfs2_super *osb); @@ -857,6 +858,7 @@ struct ocfs2_la_recovery_item { int lri_slot; struct ocfs2_dinode *lri_la_dinode; struct ocfs2_dinode *lri_tl_dinode; + struct ocfs2_quota_recovery *lri_qrec; }; /* Does the second half of the recovery process. By this point, the @@ -877,6 +879,7 @@ void ocfs2_complete_recovery(struct work_struct *work) struct ocfs2_super *osb = journal->j_osb; struct ocfs2_dinode *la_dinode, *tl_dinode; struct ocfs2_la_recovery_item *item, *n; + struct ocfs2_quota_recovery *qrec; LIST_HEAD(tmp_la_list); mlog_entry_void(); @@ -922,6 +925,16 @@ void ocfs2_complete_recovery(struct work_struct *work) if (ret < 0) mlog_errno(ret); + qrec = item->lri_qrec; + if (qrec) { + mlog(0, "Recovering quota files"); + ret = ocfs2_finish_quota_recovery(osb, qrec, + item->lri_slot); + if (ret < 0) + mlog_errno(ret); + /* Recovery info is already freed now */ + } + kfree(item); } @@ -935,7 +948,8 @@ void ocfs2_complete_recovery(struct work_struct *work) static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, int slot_num, struct ocfs2_dinode *la_dinode, - struct ocfs2_dinode *tl_dinode) + struct ocfs2_dinode *tl_dinode, + struct ocfs2_quota_recovery *qrec) { struct ocfs2_la_recovery_item *item; @@ -950,6 +964,9 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, if (tl_dinode) kfree(tl_dinode); + if (qrec) + ocfs2_free_quota_recovery(qrec); + mlog_errno(-ENOMEM); return; } @@ -958,6 +975,7 @@ static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal, item->lri_la_dinode = la_dinode; item->lri_slot = slot_num; item->lri_tl_dinode = tl_dinode; + item->lri_qrec = qrec; spin_lock(&journal->j_lock); list_add_tail(&item->lri_list, &journal->j_la_cleanups); @@ -977,6 +995,7 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb) ocfs2_queue_recovery_completion(journal, osb->slot_num, osb->local_alloc_copy, + NULL, NULL); ocfs2_schedule_truncate_log_flush(osb, 0); @@ -985,11 +1004,26 @@ void ocfs2_complete_mount_recovery(struct ocfs2_super *osb) } } +void ocfs2_complete_quota_recovery(struct ocfs2_super *osb) +{ + if (osb->quota_rec) { + ocfs2_queue_recovery_completion(osb->journal, + osb->slot_num, + NULL, + NULL, + osb->quota_rec); + osb->quota_rec = NULL; + } +} + static int __ocfs2_recovery_thread(void *arg) { - int status, node_num; + int status, node_num, slot_num; struct ocfs2_super *osb = arg; struct ocfs2_recovery_map *rm = osb->recovery_map; + int *rm_quota = NULL; + int rm_quota_used = 0, i; + struct ocfs2_quota_recovery *qrec; mlog_entry_void(); @@ -998,6 +1032,11 @@ static int __ocfs2_recovery_thread(void *arg) goto bail; } + rm_quota = kzalloc(osb->max_slots * sizeof(int), GFP_NOFS); + if (!rm_quota) { + status = -ENOMEM; + goto bail; + } restart: status = ocfs2_super_lock(osb, 1); if (status < 0) { @@ -1011,8 +1050,28 @@ restart: * clear it until ocfs2_recover_node() has succeeded. */ node_num = rm->rm_entries[0]; spin_unlock(&osb->osb_lock); - - status = ocfs2_recover_node(osb, node_num); + mlog(0, "checking node %d\n", node_num); + slot_num = ocfs2_node_num_to_slot(osb, node_num); + if (slot_num == -ENOENT) { + status = 0; + mlog(0, "no slot for this node, so no recovery" + "required.\n"); + goto skip_recovery; + } + mlog(0, "node %d was using slot %d\n", node_num, slot_num); + + /* It is a bit subtle with quota recovery. We cannot do it + * immediately because we have to obtain cluster locks from + * quota files and we also don't want to just skip it because + * then quota usage would be out of sync until some node takes + * the slot. So we remember which nodes need quota recovery + * and when everything else is done, we recover quotas. */ + for (i = 0; i < rm_quota_used && rm_quota[i] != slot_num; i++); + if (i == rm_quota_used) + rm_quota[rm_quota_used++] = slot_num; + + status = ocfs2_recover_node(osb, node_num, slot_num); +skip_recovery: if (!status) { ocfs2_recovery_map_clear(osb, node_num); } else { @@ -1034,13 +1093,27 @@ restart: if (status < 0) mlog_errno(status); + /* Now it is right time to recover quotas... We have to do this under + * superblock lock so that noone can start using the slot (and crash) + * before we recover it */ + for (i = 0; i < rm_quota_used; i++) { + qrec = ocfs2_begin_quota_recovery(osb, rm_quota[i]); + if (IS_ERR(qrec)) { + status = PTR_ERR(qrec); + mlog_errno(status); + continue; + } + ocfs2_queue_recovery_completion(osb->journal, rm_quota[i], + NULL, NULL, qrec); + } + ocfs2_super_unlock(osb, 1); /* We always run recovery on our own orphan dir - the dead * node(s) may have disallowd a previos inode delete. Re-processing * is therefore required. */ ocfs2_queue_recovery_completion(osb->journal, osb->slot_num, NULL, - NULL); + NULL, NULL); bail: mutex_lock(&osb->recovery_lock); @@ -1055,6 +1128,9 @@ bail: mutex_unlock(&osb->recovery_lock); + if (rm_quota) + kfree(rm_quota); + mlog_exit(status); /* no one is callint kthread_stop() for us so the kthread() api * requires that we call do_exit(). And it isn't exported, but @@ -1282,31 +1358,19 @@ done: * far less concerning. */ static int ocfs2_recover_node(struct ocfs2_super *osb, - int node_num) + int node_num, int slot_num) { int status = 0; - int slot_num; struct ocfs2_dinode *la_copy = NULL; struct ocfs2_dinode *tl_copy = NULL; - mlog_entry("(node_num=%d, osb->node_num = %d)\n", - node_num, osb->node_num); - - mlog(0, "checking node %d\n", node_num); + mlog_entry("(node_num=%d, slot_num=%d, osb->node_num = %d)\n", + node_num, slot_num, osb->node_num); /* Should not ever be called to recover ourselves -- in that * case we should've called ocfs2_journal_load instead. */ BUG_ON(osb->node_num == node_num); - slot_num = ocfs2_node_num_to_slot(osb, node_num); - if (slot_num == -ENOENT) { - status = 0; - mlog(0, "no slot for this node, so no recovery required.\n"); - goto done; - } - - mlog(0, "node %d was using slot %d\n", node_num, slot_num); - status = ocfs2_replay_journal(osb, node_num, slot_num); if (status < 0) { if (status == -EBUSY) { @@ -1342,7 +1406,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb, /* This will kfree the memory pointed to by la_copy and tl_copy */ ocfs2_queue_recovery_completion(osb->journal, slot_num, la_copy, - tl_copy); + tl_copy, NULL); status = 0; done: diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index ee08e9c..37013bf 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -168,6 +168,7 @@ void ocfs2_recovery_thread(struct ocfs2_super *osb, int node_num); int ocfs2_mark_dead_nodes(struct ocfs2_super *osb); void ocfs2_complete_mount_recovery(struct ocfs2_super *osb); +void ocfs2_complete_quota_recovery(struct ocfs2_super *osb); static inline void ocfs2_start_checkpoint(struct ocfs2_super *osb) { diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index f04b229..6b25b4a 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -206,6 +206,7 @@ enum ocfs2_mount_options struct ocfs2_journal; struct ocfs2_slot_info; struct ocfs2_recovery_map; +struct ocfs2_quota_recovery; struct ocfs2_super { struct task_struct *commit_task; @@ -287,10 +288,11 @@ struct ocfs2_super char *local_alloc_debug_buf; #endif - /* Next two fields are for local node slot recovery during + /* Next three fields are for local node slot recovery during * mount. */ int dirty; struct ocfs2_dinode *local_alloc_copy; + struct ocfs2_quota_recovery *quota_rec; struct ocfs2_alloc_stats alloc_stats; char dev_str[20]; /* "major,minor" of the device */ diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h index e2233d5..04872b4 100644 --- a/fs/ocfs2/quota.h +++ b/fs/ocfs2/quota.h @@ -33,6 +33,17 @@ struct ocfs2_dquot { s64 dq_originodes; /* Last globally synced inode usage */ }; +/* Description of one chunk to recover in memory */ +struct ocfs2_recovery_chunk { + struct list_head rc_list; /* List of chunks */ + int rc_chunk; /* Chunk number */ + unsigned long *rc_bitmap; /* Bitmap of entries to recover */ +}; + +struct ocfs2_quota_recovery { + struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */ +}; + /* In-memory structure with quota header information */ struct ocfs2_mem_dqinfo { unsigned int dqi_type; /* Quota type this structure describes */ @@ -49,6 +60,10 @@ struct ocfs2_mem_dqinfo { struct buffer_head *dqi_ibh; /* Buffer with information header */ struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ struct delayed_work dqi_sync_work; /* Work for syncing dquots */ + struct ocfs2_quota_recovery *dqi_rec; /* Pointer to recovery + * information, in case we + * enable quotas on file + * needing it */ }; static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) @@ -67,6 +82,12 @@ extern struct kmem_cache *ocfs2_qf_chunk_cachep; extern struct qtree_fmt_operations ocfs2_global_ops; +struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( + struct ocfs2_super *osb, int slot_num); +int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, + struct ocfs2_quota_recovery *rec, + int slot_num); +void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec); ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, size_t len, loff_t off); ssize_t ocfs2_quota_write(struct super_block *sb, int type, diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index adf5350..49b536a 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -87,7 +87,6 @@ struct qtree_fmt_operations ocfs2_global_ops = { .is_id = ocfs2_global_is_id, }; - struct buffer_head *ocfs2_read_quota_block(struct inode *inode, int block, int *err) { diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 40e82b4..b985621 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -49,14 +49,25 @@ static unsigned int ol_quota_chunk_block(struct super_block *sb, int c) return 1 + (ol_chunk_blocks(sb) + 1) * c; } -/* Offset of the dquot structure in the quota file */ -static loff_t ol_dqblk_off(struct super_block *sb, int c, int off) +static unsigned int ol_dqblk_block(struct super_block *sb, int c, int off) +{ + int epb = ol_quota_entries_per_block(sb); + + return ol_quota_chunk_block(sb, c) + 1 + off / epb; +} + +static unsigned int ol_dqblk_block_off(struct super_block *sb, int c, int off) { int epb = ol_quota_entries_per_block(sb); - return ((ol_quota_chunk_block(sb, c) + 1 + off / epb) - << sb->s_blocksize_bits) + - (off % epb) * sizeof(struct ocfs2_local_disk_dqblk); + return (off % epb) * sizeof(struct ocfs2_local_disk_dqblk); +} + +/* Offset of the dquot structure in the quota file */ +static loff_t ol_dqblk_off(struct super_block *sb, int c, int off) +{ + return (ol_dqblk_block(sb, c, off) << sb->s_blocksize_bits) + + ol_dqblk_block_off(sb, c, off); } /* Compute block number from given offset */ @@ -253,6 +264,379 @@ static void olq_update_info(struct buffer_head *bh, void *private) spin_unlock(&dq_data_lock); } +static int ocfs2_add_recovery_chunk(struct super_block *sb, + struct ocfs2_local_disk_chunk *dchunk, + int chunk, + struct list_head *head) +{ + struct ocfs2_recovery_chunk *rc; + + rc = kmalloc(sizeof(struct ocfs2_recovery_chunk), GFP_NOFS); + if (!rc) + return -ENOMEM; + rc->rc_chunk = chunk; + rc->rc_bitmap = kmalloc(sb->s_blocksize, GFP_NOFS); + if (!rc->rc_bitmap) { + kfree(rc); + return -ENOMEM; + } + memcpy(rc->rc_bitmap, dchunk->dqc_bitmap, + (ol_chunk_entries(sb) + 7) >> 3); + list_add_tail(&rc->rc_list, head); + return 0; +} + +static void free_recovery_list(struct list_head *head) +{ + struct ocfs2_recovery_chunk *next; + struct ocfs2_recovery_chunk *rchunk; + + list_for_each_entry_safe(rchunk, next, head, rc_list) { + list_del(&rchunk->rc_list); + kfree(rchunk->rc_bitmap); + kfree(rchunk); + } +} + +void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec) +{ + int type; + + for (type = 0; type < MAXQUOTAS; type++) + free_recovery_list(&(rec->r_list[type])); + kfree(rec); +} + +/* Load entries in our quota file we have to recover*/ +static int ocfs2_recovery_load_quota(struct inode *lqinode, + struct ocfs2_local_disk_dqinfo *ldinfo, + int type, + struct list_head *head) +{ + struct super_block *sb = lqinode->i_sb; + struct buffer_head *hbh; + struct ocfs2_local_disk_chunk *dchunk; + int i, chunks = le32_to_cpu(ldinfo->dqi_chunks); + int status = 0; + + for (i = 0; i < chunks; i++) { + hbh = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, i), + &status); + if (!hbh) { + mlog_errno(status); + break; + } + dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data; + if (le32_to_cpu(dchunk->dqc_free) < ol_chunk_entries(sb)) + status = ocfs2_add_recovery_chunk(sb, dchunk, i, head); + brelse(hbh); + if (status < 0) + break; + } + if (status < 0) + free_recovery_list(head); + return status; +} + +static struct ocfs2_quota_recovery *ocfs2_alloc_quota_recovery(void) +{ + int type; + struct ocfs2_quota_recovery *rec; + + rec = kmalloc(sizeof(struct ocfs2_quota_recovery), GFP_NOFS); + if (!rec) + return NULL; + for (type = 0; type < MAXQUOTAS; type++) + INIT_LIST_HEAD(&(rec->r_list[type])); + return rec; +} + +/* Load information we need for quota recovery into memory */ +struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( + struct ocfs2_super *osb, + int slot_num) +{ + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + struct super_block *sb = osb->sb; + struct ocfs2_local_disk_dqinfo *ldinfo; + struct inode *lqinode; + struct buffer_head *bh; + int type; + int status = 0; + struct ocfs2_quota_recovery *rec; + + mlog(ML_NOTICE, "Beginning quota recovery in slot %u\n", slot_num); + rec = ocfs2_alloc_quota_recovery(); + if (!rec) + return ERR_PTR(-ENOMEM); + /* First init... */ + + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + /* At this point, journal of the slot is already replayed so + * we can trust metadata and data of the quota file */ + lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num); + if (!lqinode) { + status = -ENOENT; + goto out; + } + status = ocfs2_inode_lock_full(lqinode, NULL, 1, + OCFS2_META_LOCK_RECOVERY); + if (status < 0) { + mlog_errno(status); + goto out_put; + } + /* Now read local header */ + bh = ocfs2_read_quota_block(lqinode, 0, &status); + if (!bh) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(slot=%d type=%d)\n", slot_num, type); + goto out_lock; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + status = ocfs2_recovery_load_quota(lqinode, ldinfo, type, + &rec->r_list[type]); + brelse(bh); +out_lock: + ocfs2_inode_unlock(lqinode, 1); +out_put: + iput(lqinode); + if (status < 0) + break; + } +out: + if (status < 0) { + ocfs2_free_quota_recovery(rec); + rec = ERR_PTR(status); + } + return rec; +} + +/* Sync changes in local quota file into global quota file and + * reinitialize local quota file. + * The function expects local quota file to be already locked and + * dqonoff_mutex locked. */ +static int ocfs2_recover_local_quota_file(struct inode *lqinode, + int type, + struct ocfs2_quota_recovery *rec) +{ + struct super_block *sb = lqinode->i_sb; + struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv; + struct ocfs2_local_disk_chunk *dchunk; + struct ocfs2_local_disk_dqblk *dqblk; + struct dquot *dquot; + handle_t *handle; + struct buffer_head *hbh = NULL, *qbh = NULL; + int status = 0; + int bit, chunk; + struct ocfs2_recovery_chunk *rchunk, *next; + qsize_t spacechange, inodechange; + + mlog_entry("ino=%lu type=%u", (unsigned long)lqinode->i_ino, type); + + status = ocfs2_lock_global_qf(oinfo, 1); + if (status < 0) + goto out; + + list_for_each_entry_safe(rchunk, next, &(rec->r_list[type]), rc_list) { + chunk = rchunk->rc_chunk; + hbh = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, chunk), + &status); + if (!hbh) { + mlog_errno(status); + break; + } + dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data; + for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) { + qbh = ocfs2_read_quota_block(lqinode, + ol_dqblk_block(sb, chunk, bit), + &status); + if (!qbh) { + mlog_errno(status); + break; + } + dqblk = (struct ocfs2_local_disk_dqblk *)(qbh->b_data + + ol_dqblk_block_off(sb, chunk, bit)); + dquot = dqget(sb, le64_to_cpu(dqblk->dqb_id), type); + if (!dquot) { + status = -EIO; + mlog(ML_ERROR, "Failed to get quota structure " + "for id %u, type %d. Cannot finish quota " + "file recovery.\n", + (unsigned)le64_to_cpu(dqblk->dqb_id), + type); + goto out_put_bh; + } + handle = ocfs2_start_trans(OCFS2_SB(sb), + OCFS2_QSYNC_CREDITS); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_put_dquot; + } + mutex_lock(&sb_dqopt(sb)->dqio_mutex); + spin_lock(&dq_data_lock); + /* Add usage from quota entry into quota changes + * of our node. Auxiliary variables are important + * due to signedness */ + spacechange = le64_to_cpu(dqblk->dqb_spacemod); + inodechange = le64_to_cpu(dqblk->dqb_inodemod); + dquot->dq_dqb.dqb_curspace += spacechange; + dquot->dq_dqb.dqb_curinodes += inodechange; + spin_unlock(&dq_data_lock); + /* We want to drop reference held by the crashed + * node. Since we have our own reference we know + * global structure actually won't be freed. */ + status = ocfs2_global_release_dquot(dquot); + if (status < 0) { + mlog_errno(status); + goto out_commit; + } + /* Release local quota file entry */ + status = ocfs2_journal_access(handle, lqinode, + qbh, OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_commit; + } + lock_buffer(qbh); + WARN_ON(!ocfs2_test_bit(bit, dchunk->dqc_bitmap)); + ocfs2_clear_bit(bit, dchunk->dqc_bitmap); + le32_add_cpu(&dchunk->dqc_free, 1); + unlock_buffer(qbh); + status = ocfs2_journal_dirty(handle, qbh); + if (status < 0) + mlog_errno(status); +out_commit: + mutex_unlock(&sb_dqopt(sb)->dqio_mutex); + ocfs2_commit_trans(OCFS2_SB(sb), handle); +out_put_dquot: + dqput(dquot); +out_put_bh: + brelse(qbh); + if (status < 0) + break; + } + brelse(hbh); + list_del(&rchunk->rc_list); + kfree(rchunk->rc_bitmap); + kfree(rchunk); + if (status < 0) + break; + } + ocfs2_unlock_global_qf(oinfo, 1); +out: + if (status < 0) + free_recovery_list(&(rec->r_list[type])); + mlog_exit(status); + return status; +} + +/* Recover local quota files for given node different from us */ +int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, + struct ocfs2_quota_recovery *rec, + int slot_num) +{ + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + struct super_block *sb = osb->sb; + struct ocfs2_local_disk_dqinfo *ldinfo; + struct buffer_head *bh; + handle_t *handle; + int type; + int status = 0; + struct inode *lqinode; + unsigned int flags; + + mlog(ML_NOTICE, "Finishing quota recovery in slot %u\n", slot_num); + mutex_lock(&sb_dqopt(sb)->dqonoff_mutex); + for (type = 0; type < MAXQUOTAS; type++) { + if (list_empty(&(rec->r_list[type]))) + continue; + mlog(0, "Recovering quota in slot %d\n", slot_num); + lqinode = ocfs2_get_system_file_inode(osb, ino[type], slot_num); + if (!lqinode) { + status = -ENOENT; + goto out; + } + status = ocfs2_inode_lock_full(lqinode, NULL, 1, + OCFS2_META_LOCK_NOQUEUE); + /* Someone else is holding the lock? Then he must be + * doing the recovery. Just skip the file... */ + if (status == -EAGAIN) { + mlog(ML_NOTICE, "skipping quota recovery for slot %d " + "because quota file is locked.\n", slot_num); + status = 0; + goto out_put; + } else if (status < 0) { + mlog_errno(status); + goto out_put; + } + /* Now read local header */ + bh = ocfs2_read_quota_block(lqinode, 0, &status); + if (!bh) { + mlog_errno(status); + mlog(ML_ERROR, "failed to read quota file info header " + "(slot=%d type=%d)\n", slot_num, type); + goto out_lock; + } + ldinfo = (struct ocfs2_local_disk_dqinfo *)(bh->b_data + + OCFS2_LOCAL_INFO_OFF); + /* Is recovery still needed? */ + flags = le32_to_cpu(ldinfo->dqi_flags); + if (!(flags & OLQF_CLEAN)) + status = ocfs2_recover_local_quota_file(lqinode, + type, + rec); + /* We don't want to mark file as clean when it is actually + * active */ + if (slot_num == osb->slot_num) + goto out_bh; + /* Mark quota file as clean if we are recovering quota file of + * some other node. */ + handle = ocfs2_start_trans(osb, 1); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto out_bh; + } + status = ocfs2_journal_access(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (status < 0) { + mlog_errno(status); + goto out_trans; + } + lock_buffer(bh); + ldinfo->dqi_flags = cpu_to_le32(flags | OLQF_CLEAN); + unlock_buffer(bh); + status = ocfs2_journal_dirty(handle, bh); + if (status < 0) + mlog_errno(status); +out_trans: + ocfs2_commit_trans(osb, handle); +out_bh: + brelse(bh); +out_lock: + ocfs2_inode_unlock(lqinode, 1); +out_put: + iput(lqinode); + if (status < 0) + break; + } +out: + mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex); + kfree(rec); + return status; +} + /* Read information header from quota file */ static int ocfs2_local_read_info(struct super_block *sb, int type) { @@ -262,6 +646,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) struct inode *lqinode = sb_dqopt(sb)->files[type]; int status; struct buffer_head *bh = NULL; + struct ocfs2_quota_recovery *rec; int locked = 0; info->dqi_maxblimit = 0x7fffffffffffffffLL; @@ -275,6 +660,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) info->dqi_priv = oinfo; oinfo->dqi_type = type; INIT_LIST_HEAD(&oinfo->dqi_chunk); + oinfo->dqi_rec = NULL; oinfo->dqi_lqi_bh = NULL; oinfo->dqi_ibh = NULL; @@ -305,10 +691,27 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) oinfo->dqi_ibh = bh; /* We crashed when using local quota file? */ - if (!(info->dqi_flags & OLQF_CLEAN)) - goto out_err; /* So far we just bail out. Later we should resync here */ + if (!(info->dqi_flags & OLQF_CLEAN)) { + rec = OCFS2_SB(sb)->quota_rec; + if (!rec) { + rec = ocfs2_alloc_quota_recovery(); + if (!rec) { + status = -ENOMEM; + mlog_errno(status); + goto out_err; + } + OCFS2_SB(sb)->quota_rec = rec; + } - status = ocfs2_load_local_quota_bitmaps(sb_dqopt(sb)->files[type], + status = ocfs2_recovery_load_quota(lqinode, ldinfo, type, + &rec->r_list[type]); + if (status < 0) { + mlog_errno(status); + goto out_err; + } + } + + status = ocfs2_load_local_quota_bitmaps(lqinode, ldinfo, &oinfo->dqi_chunk); if (status < 0) { @@ -394,6 +797,12 @@ static int ocfs2_local_free_info(struct super_block *sb, int type) } ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + /* dqonoff_mutex protects us against racing with recovery thread... */ + if (oinfo->dqi_rec) { + ocfs2_free_quota_recovery(oinfo->dqi_rec); + mark_clean = 0; + } + if (!mark_clean) goto out; -- cgit v0.10.2 From 19ece546a418997226bd91552fbc41abcb05cea6 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Thu, 21 Aug 2008 20:13:17 +0200 Subject: ocfs2: Enable quota accounting on mount, disable on umount Enable quota usage tracking on mount and disable it on umount. Also add support for quota on and quota off quotactls and usrquota and grpquota mount options. Add quota features among supported ones. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index c602420..302f114 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -56,7 +56,7 @@ static int ocfs2_recover_node(struct ocfs2_super *osb, int node_num, int slot_num); static int __ocfs2_recovery_thread(void *arg); static int ocfs2_commit_cache(struct ocfs2_super *osb); -static int ocfs2_wait_on_mount(struct ocfs2_super *osb); +static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota); static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, int dirty, int replayed); static int ocfs2_trylock_journal(struct ocfs2_super *osb, @@ -65,6 +65,17 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb, int slot); static int ocfs2_commit_thread(void *arg); +static inline int ocfs2_wait_on_mount(struct ocfs2_super *osb) +{ + return __ocfs2_wait_on_mount(osb, 0); +} + +static inline int ocfs2_wait_on_quotas(struct ocfs2_super *osb) +{ + return __ocfs2_wait_on_mount(osb, 1); +} + + /* * The recovery_list is a simple linked list of node numbers to recover. @@ -895,6 +906,8 @@ void ocfs2_complete_recovery(struct work_struct *work) mlog(0, "Complete recovery for slot %d\n", item->lri_slot); + ocfs2_wait_on_quotas(osb); + la_dinode = item->lri_la_dinode; if (la_dinode) { mlog(0, "Clean up local alloc %llu\n", @@ -1701,13 +1714,14 @@ static int ocfs2_recover_orphans(struct ocfs2_super *osb, return ret; } -static int ocfs2_wait_on_mount(struct ocfs2_super *osb) +static int __ocfs2_wait_on_mount(struct ocfs2_super *osb, int quota) { /* This check is good because ocfs2 will wait on our recovery * thread before changing it to something other than MOUNTED * or DISABLED. */ wait_event(osb->osb_mount_event, - atomic_read(&osb->vol_state) == VOLUME_MOUNTED || + (!quota && atomic_read(&osb->vol_state) == VOLUME_MOUNTED) || + atomic_read(&osb->vol_state) == VOLUME_MOUNTED_QUOTAS || atomic_read(&osb->vol_state) == VOLUME_DISABLED); /* If there's an error on mount, then we may never get to the diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 6b25b4a..5c77798 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -161,6 +161,7 @@ enum ocfs2_vol_state { VOLUME_INIT = 0, VOLUME_MOUNTED, + VOLUME_MOUNTED_QUOTAS, VOLUME_DISMOUNTED, VOLUME_DISABLED }; @@ -196,6 +197,8 @@ enum ocfs2_mount_options OCFS2_MOUNT_NOUSERXATTR = 1 << 6, /* No user xattr */ OCFS2_MOUNT_INODE64 = 1 << 7, /* Allow inode numbers > 2^32 */ OCFS2_MOUNT_POSIX_ACL = 1 << 8, /* POSIX access control lists */ + OCFS2_MOUNT_USRQUOTA = 1 << 9, /* We support user quotas */ + OCFS2_MOUNT_GRPQUOTA = 1 << 10, /* We support group quotas */ }; #define OCFS2_OSB_SOFT_RO 0x0001 diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 0a5ac79..359732e 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -94,7 +94,9 @@ | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \ | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \ | OCFS2_FEATURE_INCOMPAT_XATTR) -#define OCFS2_FEATURE_RO_COMPAT_SUPP (OCFS2_FEATURE_RO_COMPAT_UNWRITTEN) +#define OCFS2_FEATURE_RO_COMPAT_SUPP (OCFS2_FEATURE_RO_COMPAT_UNWRITTEN \ + | OCFS2_FEATURE_RO_COMPAT_USRQUOTA \ + | OCFS2_FEATURE_RO_COMPAT_GRPQUOTA) /* * Heartbeat-only devices are missing journals and other files. The diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 60f1d294..2eb657c 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -41,6 +41,7 @@ #include #include #include +#include #define MLOG_MASK_PREFIX ML_SUPER #include @@ -127,6 +128,9 @@ static int ocfs2_get_sector(struct super_block *sb, static void ocfs2_write_super(struct super_block *sb); static struct inode *ocfs2_alloc_inode(struct super_block *sb); static void ocfs2_destroy_inode(struct inode *inode); +static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend); +static int ocfs2_enable_quotas(struct ocfs2_super *osb); +static void ocfs2_disable_quotas(struct ocfs2_super *osb); static const struct super_operations ocfs2_sops = { .statfs = ocfs2_statfs, @@ -165,6 +169,8 @@ enum { Opt_inode64, Opt_acl, Opt_noacl, + Opt_usrquota, + Opt_grpquota, Opt_err, }; @@ -189,6 +195,8 @@ static const match_table_t tokens = { {Opt_inode64, "inode64"}, {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, + {Opt_usrquota, "usrquota"}, + {Opt_grpquota, "grpquota"}, {Opt_err, NULL} }; @@ -452,6 +460,12 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) /* We're going to/from readonly mode. */ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) { + /* Disable quota accounting before remounting RO */ + if (*flags & MS_RDONLY) { + ret = ocfs2_susp_quotas(osb, 0); + if (ret < 0) + goto out; + } /* Lock here so the check of HARD_RO and the potential * setting of SOFT_RO is atomic. */ spin_lock(&osb->osb_lock); @@ -487,6 +501,21 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data) } unlock_osb: spin_unlock(&osb->osb_lock); + /* Enable quota accounting after remounting RW */ + if (!ret && !(*flags & MS_RDONLY)) { + if (sb_any_quota_suspended(sb)) + ret = ocfs2_susp_quotas(osb, 1); + else + ret = ocfs2_enable_quotas(osb); + if (ret < 0) { + /* Return back changes... */ + spin_lock(&osb->osb_lock); + sb->s_flags |= MS_RDONLY; + osb->osb_flags |= OCFS2_OSB_SOFT_RO; + spin_unlock(&osb->osb_lock); + goto out; + } + } } if (!ret) { @@ -647,6 +676,131 @@ static int ocfs2_verify_userspace_stack(struct ocfs2_super *osb, return 0; } +static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend) +{ + int type; + struct super_block *sb = osb->sb; + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + int status = 0; + + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + if (unsuspend) + status = vfs_quota_enable( + sb_dqopt(sb)->files[type], + type, QFMT_OCFS2, + DQUOT_SUSPENDED); + else + status = vfs_quota_disable(sb, type, + DQUOT_SUSPENDED); + if (status < 0) + break; + } + if (status < 0) + mlog(ML_ERROR, "Failed to suspend/unsuspend quotas on " + "remount (error = %d).\n", status); + return status; +} + +static int ocfs2_enable_quotas(struct ocfs2_super *osb) +{ + struct inode *inode[MAXQUOTAS] = { NULL, NULL }; + struct super_block *sb = osb->sb; + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + unsigned int ino[MAXQUOTAS] = { LOCAL_USER_QUOTA_SYSTEM_INODE, + LOCAL_GROUP_QUOTA_SYSTEM_INODE }; + int status; + int type; + + sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE | DQUOT_NEGATIVE_USAGE; + for (type = 0; type < MAXQUOTAS; type++) { + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + continue; + inode[type] = ocfs2_get_system_file_inode(osb, ino[type], + osb->slot_num); + if (!inode[type]) { + status = -ENOENT; + goto out_quota_off; + } + status = vfs_quota_enable(inode[type], type, QFMT_OCFS2, + DQUOT_USAGE_ENABLED); + if (status < 0) + goto out_quota_off; + } + + for (type = 0; type < MAXQUOTAS; type++) + iput(inode[type]); + return 0; +out_quota_off: + ocfs2_disable_quotas(osb); + for (type = 0; type < MAXQUOTAS; type++) + iput(inode[type]); + mlog_errno(status); + return status; +} + +static void ocfs2_disable_quotas(struct ocfs2_super *osb) +{ + int type; + struct inode *inode; + struct super_block *sb = osb->sb; + + /* We mostly ignore errors in this function because there's not much + * we can do when we see them */ + for (type = 0; type < MAXQUOTAS; type++) { + if (!sb_has_quota_loaded(sb, type)) + continue; + inode = igrab(sb->s_dquot.files[type]); + /* Turn off quotas. This will remove all dquot structures from + * memory and so they will be automatically synced to global + * quota files */ + vfs_quota_disable(sb, type, DQUOT_USAGE_ENABLED | + DQUOT_LIMITS_ENABLED); + if (!inode) + continue; + iput(inode); + } +} + +/* Handle quota on quotactl */ +static int ocfs2_quota_on(struct super_block *sb, int type, int format_id, + char *path, int remount) +{ + unsigned int feature[MAXQUOTAS] = { OCFS2_FEATURE_RO_COMPAT_USRQUOTA, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA}; + + if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type])) + return -EINVAL; + + if (remount) + return 0; /* Just ignore it has been handled in + * ocfs2_remount() */ + return vfs_quota_enable(sb_dqopt(sb)->files[type], type, + format_id, DQUOT_LIMITS_ENABLED); +} + +/* Handle quota off quotactl */ +static int ocfs2_quota_off(struct super_block *sb, int type, int remount) +{ + if (remount) + return 0; /* Ignore now and handle later in + * ocfs2_remount() */ + return vfs_quota_disable(sb, type, DQUOT_LIMITS_ENABLED); +} + +static struct quotactl_ops ocfs2_quotactl_ops = { + .quota_on = ocfs2_quota_on, + .quota_off = ocfs2_quota_off, + .quota_sync = vfs_quota_sync, + .get_info = vfs_get_dqinfo, + .set_info = vfs_set_dqinfo, + .get_dqblk = vfs_get_dqblk, + .set_dqblk = vfs_set_dqblk, +}; + static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) { struct dentry *root; @@ -689,6 +843,22 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) osb->osb_commit_interval = parsed_options.commit_interval; osb->local_alloc_default_bits = ocfs2_megabytes_to_clusters(sb, parsed_options.localalloc_opt); osb->local_alloc_bits = osb->local_alloc_default_bits; + if (osb->s_mount_opt & OCFS2_MOUNT_USRQUOTA && + !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + status = -EINVAL; + mlog(ML_ERROR, "User quotas were requested, but this " + "filesystem does not have the feature enabled.\n"); + goto read_super_error; + } + if (osb->s_mount_opt & OCFS2_MOUNT_GRPQUOTA && + !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + status = -EINVAL; + mlog(ML_ERROR, "Group quotas were requested, but this " + "filesystem does not have the feature enabled.\n"); + goto read_super_error; + } status = ocfs2_verify_userspace_stack(osb, &parsed_options); if (status) @@ -793,6 +963,28 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent) atomic_set(&osb->vol_state, VOLUME_MOUNTED); wake_up(&osb->osb_mount_event); + /* Now we can initialize quotas because we can afford to wait + * for cluster locks recovery now. That also means that truncation + * log recovery can happen but that waits for proper quota setup */ + if (!(sb->s_flags & MS_RDONLY)) { + status = ocfs2_enable_quotas(osb); + if (status < 0) { + /* We have to err-out specially here because + * s_root is already set */ + mlog_errno(status); + atomic_set(&osb->vol_state, VOLUME_DISABLED); + wake_up(&osb->osb_mount_event); + mlog_exit(status); + return status; + } + } + + ocfs2_complete_quota_recovery(osb); + + /* Now we wake up again for processes waiting for quotas */ + atomic_set(&osb->vol_state, VOLUME_MOUNTED_QUOTAS); + wake_up(&osb->osb_mount_event); + mlog_exit(status); return status; @@ -980,6 +1172,28 @@ static int ocfs2_parse_options(struct super_block *sb, case Opt_inode64: mopt->mount_opt |= OCFS2_MOUNT_INODE64; break; + case Opt_usrquota: + /* We check only on remount, otherwise features + * aren't yet initialized. */ + if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_USRQUOTA)) { + mlog(ML_ERROR, "User quota requested but " + "filesystem feature is not set\n"); + status = 0; + goto bail; + } + mopt->mount_opt |= OCFS2_MOUNT_USRQUOTA; + break; + case Opt_grpquota: + if (is_remount && !OCFS2_HAS_RO_COMPAT_FEATURE(sb, + OCFS2_FEATURE_RO_COMPAT_GRPQUOTA)) { + mlog(ML_ERROR, "Group quota requested but " + "filesystem feature is not set\n"); + status = 0; + goto bail; + } + mopt->mount_opt |= OCFS2_MOUNT_GRPQUOTA; + break; #ifdef CONFIG_OCFS2_FS_POSIX_ACL case Opt_acl: mopt->mount_opt |= OCFS2_MOUNT_POSIX_ACL; @@ -1056,6 +1270,10 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (osb->osb_cluster_stack[0]) seq_printf(s, ",cluster_stack=%.*s", OCFS2_STACK_LABEL_LEN, osb->osb_cluster_stack); + if (opts & OCFS2_MOUNT_USRQUOTA) + seq_printf(s, ",usrquota"); + if (opts & OCFS2_MOUNT_GRPQUOTA) + seq_printf(s, ",grpquota"); if (opts & OCFS2_MOUNT_NOUSERXATTR) seq_printf(s, ",nouser_xattr"); @@ -1394,6 +1612,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err) osb = OCFS2_SB(sb); BUG_ON(!osb); + ocfs2_disable_quotas(osb); + ocfs2_shutdown_local_alloc(osb); ocfs2_truncate_log_shutdown(osb); @@ -1504,6 +1724,8 @@ static int ocfs2_initialize_super(struct super_block *sb, sb->s_fs_info = osb; sb->s_op = &ocfs2_sops; sb->s_export_op = &ocfs2_export_ops; + sb->s_qcop = &ocfs2_quotactl_ops; + sb->dq_op = &ocfs2_quota_operations; sb->s_xattr = ocfs2_xattr_handlers; sb->s_time_gran = 1; sb->s_flags |= MS_NOATIME; -- cgit v0.10.2 From e97fcd95a4778a8caf1980c6c72fdf68185a0838 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 18 Nov 2008 17:15:24 -0800 Subject: jbd2: Add BH_JBDPrivateStart Add this so that file systems using JBD2 can safely allocate unused b_state bits. In this case, we add it so that Ocfs2 can define a single bit for tracking the validation state of a buffer. Acked-by: "Theodore Ts'o" Signed-off-by: Mark Fasheh diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index c7d106e..f366457 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -329,6 +329,7 @@ enum jbd_state_bits { BH_State, /* Pins most journal_head state */ BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ + BH_JBDPrivateStart, /* First bit available for private use by FS */ }; BUFFER_FNS(JBD, jbd) -- cgit v0.10.2 From b86c86fa1feb50221dc16071ae5b8a4acf3bd32c Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Tue, 18 Nov 2008 17:16:47 -0800 Subject: ocfs2: Use BH_JBDPrivateStart instead of BH_Unshadow This is safer. We no longer have to worry about tracking changes to jbd_state_bits. Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index 0e9eed0..15c8e6d 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -42,11 +42,10 @@ /* * Bits on bh->b_state used by ocfs2. * - * These MUST be after the JBD2 bits. Currently BH_Unshadow is the last - * JBD2 bit. + * These MUST be after the JBD2 bits. Hence, we use BH_JBDPrivateStart. */ enum ocfs2_state_bits { - BH_NeedsValidate = BH_Unshadow + 1, + BH_NeedsValidate = BH_JBDPrivateStart, }; /* Expand the magic b_state functions */ -- cgit v0.10.2 From 57a09a7b3d9445a17c78d544f1e49d4d7d61705a Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:26 +0100 Subject: ocfs2: Add missing initialization Add missing variable initialization to ocfs2_dquot_drop_slow(). Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 49b536a..10ecb33 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -870,7 +870,7 @@ out: static int ocfs2_dquot_drop_slow(struct inode *inode) { - int status; + int status = 0; int cnt; int got_lock[MAXQUOTAS] = {0, 0}; handle_t *handle; -- cgit v0.10.2 From 85eb8b73d66530bb7b931789ae7a5ec9744eed34 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 25 Nov 2008 15:31:27 +0100 Subject: ocfs2: Fix ocfs2_read_quota_block() error handling. ocfs2_bread() has become ocfs2_read_virt_blocks(), with a prototype to match ocfs2_read_blocks(). The quota code, converting from ocfs2_bread(), wraps the call to ocfs2_read_virt_blocks() in ocfs2_read_quota_block(). Unfortunately, the prototype of ocfs2_read_quota_block() matches the old prototype of ocfs2_bread(). The problem is that ocfs2_bread() returned the buffer head, and callers assumed that a NULL pointer was indicative of error. It wasn't. This is why ocfs2_bread() took an int*err argument as well. The new prototype of ocfs2_read_virt_blocks() avoids this error handling confusion. Let's change ocfs2_read_quota_block() to match. Signed-off-by: Joel Becker Acked-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 058aa86..b1c7591 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -3519,7 +3519,7 @@ static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo) oinfo->dqi_gi.dqi_type); struct ocfs2_lock_res *lockres = &oinfo->dqi_gqlock; struct ocfs2_qinfo_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); - struct buffer_head *bh; + struct buffer_head *bh = NULL; struct ocfs2_global_disk_dqinfo *gdinfo; int status = 0; @@ -3532,8 +3532,8 @@ static int ocfs2_refresh_qinfo(struct ocfs2_mem_dqinfo *oinfo) oinfo->dqi_gi.dqi_free_entry = be32_to_cpu(lvb->lvb_free_entry); } else { - bh = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &status); - if (!bh) { + status = ocfs2_read_quota_block(oinfo->dqi_gqinode, 0, &bh); + if (status) { mlog_errno(status); goto bail; } diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h index 04872b4..7365e2e 100644 --- a/fs/ocfs2/quota.h +++ b/fs/ocfs2/quota.h @@ -107,8 +107,8 @@ static inline int ocfs2_global_release_dquot(struct dquot *dquot) int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); -struct buffer_head *ocfs2_read_quota_block(struct inode *inode, - int block, int *err); +int ocfs2_read_quota_block(struct inode *inode, u64 v_block, + struct buffer_head **bh); extern struct dquot_operations ocfs2_quota_operations; extern struct quota_format_type ocfs2_quota_format; diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 10ecb33..2bdcddd 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -87,16 +87,21 @@ struct qtree_fmt_operations ocfs2_global_ops = { .is_id = ocfs2_global_is_id, }; -struct buffer_head *ocfs2_read_quota_block(struct inode *inode, - int block, int *err) +int ocfs2_read_quota_block(struct inode *inode, u64 v_block, + struct buffer_head **bh) { - struct buffer_head *tmp = NULL; + int rc = 0; + struct buffer_head *tmp = *bh; - *err = ocfs2_read_virt_blocks(inode, block, 1, &tmp, 0, NULL); - if (*err) - mlog_errno(*err); + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, NULL); + if (rc) + mlog_errno(rc); + + /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */ + if (!rc && !*bh) + *bh = tmp; - return tmp; + return rc; } static struct buffer_head *ocfs2_get_quota_block(struct inode *inode, @@ -143,8 +148,9 @@ ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, toread = len; while (toread > 0) { tocopy = min((size_t)(sb->s_blocksize - offset), toread); - bh = ocfs2_read_quota_block(gqinode, blk, &err); - if (!bh) { + bh = NULL; + err = ocfs2_read_quota_block(gqinode, blk, &bh); + if (err) { mlog_errno(err); return err; } @@ -169,7 +175,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, int offset = off & (sb->s_blocksize - 1); sector_t blk = off >> sb->s_blocksize_bits; int err = 0, new = 0; - struct buffer_head *bh; + struct buffer_head *bh = NULL; handle_t *handle = journal_current_handle(); if (!handle) { @@ -200,13 +206,13 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, /* Not rewriting whole block? */ if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) && !new) { - bh = ocfs2_read_quota_block(gqinode, blk, &err); - if (!bh) { + err = ocfs2_read_quota_block(gqinode, blk, &bh); + if (err) { mlog_errno(err); return err; } err = ocfs2_journal_access(handle, gqinode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + OCFS2_JOURNAL_ACCESS_WRITE); } else { bh = ocfs2_get_quota_block(gqinode, blk, &err); if (!bh) { @@ -214,7 +220,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, return err; } err = ocfs2_journal_access(handle, gqinode, bh, - OCFS2_JOURNAL_ACCESS_CREATE); + OCFS2_JOURNAL_ACCESS_CREATE); } if (err < 0) { brelse(bh); diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index b985621..7053664 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -139,15 +139,15 @@ static int ocfs2_local_check_quota_file(struct super_block *sb, int type) unsigned int gversions[MAXQUOTAS] = OCFS2_GLOBAL_QVERSIONS; unsigned int ino[MAXQUOTAS] = { USER_QUOTA_SYSTEM_INODE, GROUP_QUOTA_SYSTEM_INODE }; - struct buffer_head *bh; + struct buffer_head *bh = NULL; struct inode *linode = sb_dqopt(sb)->files[type]; struct inode *ginode = NULL; struct ocfs2_disk_dqheader *dqhead; int status, ret = 0; /* First check whether we understand local quota file */ - bh = ocfs2_read_quota_block(linode, 0, &status); - if (!bh) { + status = ocfs2_read_quota_block(linode, 0, &bh); + if (status) { mlog_errno(status); mlog(ML_ERROR, "failed to read quota file header (type=%d)\n", type); @@ -178,8 +178,8 @@ static int ocfs2_local_check_quota_file(struct super_block *sb, int type) goto out_err; } /* Since the header is read only, we don't care about locking */ - bh = ocfs2_read_quota_block(ginode, 0, &status); - if (!bh) { + status = ocfs2_read_quota_block(ginode, 0, &bh); + if (status) { mlog_errno(status); mlog(ML_ERROR, "failed to read global quota file header " "(type=%d)\n", type); @@ -235,10 +235,11 @@ static int ocfs2_load_local_quota_bitmaps(struct inode *inode, return -ENOMEM; } newchunk->qc_num = i; - newchunk->qc_headerbh = ocfs2_read_quota_block(inode, + newchunk->qc_headerbh = NULL; + status = ocfs2_read_quota_block(inode, ol_quota_chunk_block(inode->i_sb, i), - &status); - if (!newchunk->qc_headerbh) { + &newchunk->qc_headerbh); + if (status) { mlog_errno(status); kmem_cache_free(ocfs2_qf_chunk_cachep, newchunk); ocfs2_release_local_quota_bitmaps(head); @@ -320,10 +321,11 @@ static int ocfs2_recovery_load_quota(struct inode *lqinode, int status = 0; for (i = 0; i < chunks; i++) { - hbh = ocfs2_read_quota_block(lqinode, - ol_quota_chunk_block(sb, i), - &status); - if (!hbh) { + hbh = NULL; + status = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, i), + &hbh); + if (status) { mlog_errno(status); break; } @@ -392,8 +394,9 @@ struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( goto out_put; } /* Now read local header */ - bh = ocfs2_read_quota_block(lqinode, 0, &status); - if (!bh) { + bh = NULL; + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { mlog_errno(status); mlog(ML_ERROR, "failed to read quota file info header " "(slot=%d type=%d)\n", slot_num, type); @@ -447,19 +450,21 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode, list_for_each_entry_safe(rchunk, next, &(rec->r_list[type]), rc_list) { chunk = rchunk->rc_chunk; - hbh = ocfs2_read_quota_block(lqinode, - ol_quota_chunk_block(sb, chunk), - &status); - if (!hbh) { + hbh = NULL; + status = ocfs2_read_quota_block(lqinode, + ol_quota_chunk_block(sb, chunk), + &hbh); + if (status) { mlog_errno(status); break; } dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data; for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) { - qbh = ocfs2_read_quota_block(lqinode, + qbh = NULL; + status = ocfs2_read_quota_block(lqinode, ol_dqblk_block(sb, chunk, bit), - &status); - if (!qbh) { + &qbh); + if (status) { mlog_errno(status); break; } @@ -581,8 +586,9 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, goto out_put; } /* Now read local header */ - bh = ocfs2_read_quota_block(lqinode, 0, &status); - if (!bh) { + bh = NULL; + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { mlog_errno(status); mlog(ML_ERROR, "failed to read quota file info header " "(slot=%d type=%d)\n", slot_num, type); @@ -676,8 +682,8 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) locked = 1; /* Now read local header */ - bh = ocfs2_read_quota_block(lqinode, 0, &status); - if (!bh) { + status = ocfs2_read_quota_block(lqinode, 0, &bh); + if (status) { mlog_errno(status); mlog(ML_ERROR, "failed to read quota file info header " "(type=%d)\n", type); @@ -850,13 +856,13 @@ static int ocfs2_local_write_dquot(struct dquot *dquot) { struct super_block *sb = dquot->dq_sb; struct ocfs2_dquot *od = OCFS2_DQUOT(dquot); - struct buffer_head *bh; + struct buffer_head *bh = NULL; int status; - bh = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type], + status = ocfs2_read_quota_block(sb_dqopt(sb)->files[dquot->dq_type], ol_dqblk_file_block(sb, od->dq_local_off), - &status); - if (!bh) { + &bh); + if (status) { mlog_errno(status); goto out; } -- cgit v0.10.2 From af09e51b6810d3408db1c0e956b3b0687b0e3723 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:28 +0100 Subject: ocfs2: Fix oops when extending quota files We have to mark buffer as uptodate before calling ocfs2_journal_access() and ocfs2_set_buffer_uptodate() does not do this for us. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 2bdcddd..8fceb0c 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -174,7 +174,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, struct inode *gqinode = oinfo->dqi_gqinode; int offset = off & (sb->s_blocksize - 1); sector_t blk = off >> sb->s_blocksize_bits; - int err = 0, new = 0; + int err = 0, new = 0, ja_type; struct buffer_head *bh = NULL; handle_t *handle = journal_current_handle(); @@ -207,32 +207,28 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, if ((offset || len < sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) && !new) { err = ocfs2_read_quota_block(gqinode, blk, &bh); - if (err) { - mlog_errno(err); - return err; - } - err = ocfs2_journal_access(handle, gqinode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ja_type = OCFS2_JOURNAL_ACCESS_WRITE; } else { bh = ocfs2_get_quota_block(gqinode, blk, &err); - if (!bh) { - mlog_errno(err); - return err; - } - err = ocfs2_journal_access(handle, gqinode, bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ja_type = OCFS2_JOURNAL_ACCESS_CREATE; } - if (err < 0) { - brelse(bh); - goto out; + if (err) { + mlog_errno(err); + return err; } lock_buffer(bh); if (new) memset(bh->b_data, 0, sb->s_blocksize); memcpy(bh->b_data + offset, data, len); flush_dcache_page(bh->b_page); + set_buffer_uptodate(bh); unlock_buffer(bh); ocfs2_set_buffer_uptodate(gqinode, bh); + err = ocfs2_journal_access(handle, gqinode, bh, ja_type); + if (err < 0) { + brelse(bh); + goto out; + } err = ocfs2_journal_dirty(handle, bh); brelse(bh); if (err < 0) -- cgit v0.10.2 From 53a3604610e92a5344cf8003c19975583e71a598 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:29 +0100 Subject: ocfs2: Make ocfs2_get_quota_block() consistent with ocfs2_read_quota_block() Make function return error status and not buffer pointer so that it's consistent with ocfs2_read_quota_block(). Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 8fceb0c..e527ec6 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -104,26 +104,25 @@ int ocfs2_read_quota_block(struct inode *inode, u64 v_block, return rc; } -static struct buffer_head *ocfs2_get_quota_block(struct inode *inode, - int block, int *err) +static int ocfs2_get_quota_block(struct inode *inode, int block, + struct buffer_head **bh) { u64 pblock, pcount; - struct buffer_head *bh; + int err; down_read(&OCFS2_I(inode)->ip_alloc_sem); - *err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, - NULL); + err = ocfs2_extent_map_get_blocks(inode, block, &pblock, &pcount, NULL); up_read(&OCFS2_I(inode)->ip_alloc_sem); - if (*err) { - mlog_errno(*err); - return NULL; + if (err) { + mlog_errno(err); + return err; } - bh = sb_getblk(inode->i_sb, pblock); - if (!bh) { - *err = -EIO; - mlog_errno(*err); + *bh = sb_getblk(inode->i_sb, pblock); + if (!*bh) { + err = -EIO; + mlog_errno(err); } - return bh; + return err;; } /* Read data from global quotafile - avoid pagecache and such because we cannot @@ -209,7 +208,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, err = ocfs2_read_quota_block(gqinode, blk, &bh); ja_type = OCFS2_JOURNAL_ACCESS_WRITE; } else { - bh = ocfs2_get_quota_block(gqinode, blk, &err); + err = ocfs2_get_quota_block(gqinode, blk, &bh); ja_type = OCFS2_JOURNAL_ACCESS_CREATE; } if (err) { -- cgit v0.10.2 From 9a2f3866c825c67c3a5806799cdc93fb7517f0c4 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:30 +0100 Subject: ocfs2: Fix build warnings (64-bit types vs long long) fs/ocfs2/quota_local.c: In function 'olq_set_dquot': fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_global.c: In function '__ocfs2_sync_dquot': fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index e527ec6..054d52b 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -457,9 +457,9 @@ int __ocfs2_sync_dquot(struct dquot *dquot, int freeing) olditime = dquot->dq_dqb.dqb_itime; oldbtime = dquot->dq_dqb.dqb_btime; ocfs2_global_disk2memdqb(dquot, &dqblk); - mlog(0, "Syncing global dquot %d space %lld+%lld, inodes %lld+%lld\n", - dquot->dq_id, dquot->dq_dqb.dqb_curspace, spacechange, - dquot->dq_dqb.dqb_curinodes, inodechange); + mlog(0, "Syncing global dquot %u space %lld+%lld, inodes %lld+%lld\n", + dquot->dq_id, dquot->dq_dqb.dqb_curspace, (long long)spacechange, + dquot->dq_dqb.dqb_curinodes, (long long)inodechange); if (!test_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags)) dquot->dq_dqb.dqb_curspace += spacechange; if (!test_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags)) diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 7053664..b5ddb22 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -848,7 +848,8 @@ static void olq_set_dquot(struct buffer_head *bh, void *private) od->dq_originodes); spin_unlock(&dq_data_lock); mlog(0, "Writing local dquot %u space %lld inodes %lld\n", - od->dq_dquot.dq_id, dqblk->dqb_spacemod, dqblk->dqb_inodemod); + od->dq_dquot.dq_id, (long long)le64_to_cpu(dqblk->dqb_spacemod), + (long long)le64_to_cpu(dqblk->dqb_inodemod)); } /* Write dquot to local quota file */ -- cgit v0.10.2 From 5cd9d5bb86daf632a40f90e2321ea9379e42f073 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:31 +0100 Subject: quota: Unexport dqblk_v1.h and dqblk_v2.h Unexport header files dqblk_v[12].h since except for quota format ID they don't contain information userspace should be interested in. Move ID definitions to quota.h. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 900a787..39da666 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -56,8 +56,6 @@ header-y += dlm_device.h header-y += dlm_netlink.h header-y += dm-ioctl.h header-y += dn.h -header-y += dqblk_v1.h -header-y += dqblk_v2.h header-y += dqblk_xfs.h header-y += efs_fs_sb.h header-y += elf-fdpic.h diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h index 9cea901..3713a72 100644 --- a/include/linux/dqblk_v1.h +++ b/include/linux/dqblk_v1.h @@ -5,9 +5,6 @@ #ifndef _LINUX_DQBLK_V1_H #define _LINUX_DQBLK_V1_H -/* Id of quota format */ -#define QFMT_VFS_OLD 1 - /* Root squash turned on */ #define V1_DQF_RSQUASH 1 diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h index ff8af1b..18000a5 100644 --- a/include/linux/dqblk_v2.h +++ b/include/linux/dqblk_v2.h @@ -7,9 +7,6 @@ #include -/* Id number of quota format */ -#define QFMT_VFS_V0 2 - /* Numbers of blocks needed for updates */ #define V2_INIT_ALLOC QTREE_INIT_ALLOC #define V2_INIT_REWRITE QTREE_INIT_REWRITE diff --git a/include/linux/quota.h b/include/linux/quota.h index ec82beb..d72d5d8 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -70,6 +70,10 @@ #define Q_GETQUOTA 0x800007 /* get user quota structure */ #define Q_SETQUOTA 0x800008 /* set user quota structure */ +/* Quota format type IDs */ +#define QFMT_VFS_OLD 1 +#define QFMT_VFS_V0 2 + /* Size of block in which space limits are passed through the quota * interface */ #define QIF_DQBLKSIZE_BITS 10 -- cgit v0.10.2 From 7d9056ba20ebed6e3937a2e23183f6117919cb00 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:32 +0100 Subject: quota: Export dquot_alloc() and dquot_destroy() functions These are default functions for creating and destroying quota structures and they should be used from filesystems. Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/dquot.c b/fs/dquot.c index 075dc76..61bfff6 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -413,10 +413,11 @@ out_dqlock: return ret; } -static void dquot_destroy(struct dquot *dquot) +void dquot_destroy(struct dquot *dquot) { kmem_cache_free(dquot_cachep, dquot); } +EXPORT_SYMBOL(dquot_destroy); static inline void do_destroy_dquot(struct dquot *dquot) { @@ -668,10 +669,11 @@ we_slept: spin_unlock(&dq_list_lock); } -static struct dquot *dquot_alloc(struct super_block *sb, int type) +struct dquot *dquot_alloc(struct super_block *sb, int type) { return kmem_cache_zalloc(dquot_cachep, GFP_NOFS); } +EXPORT_SYMBOL(dquot_alloc); static struct dquot *get_empty_dquot(struct super_block *sb, int type) { diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index f491394..21b781a 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -31,6 +31,8 @@ int dquot_is_cached(struct super_block *sb, unsigned int id, int type); int dquot_scan_active(struct super_block *sb, int (*fn)(struct dquot *dquot, unsigned long priv), unsigned long priv); +struct dquot *dquot_alloc(struct super_block *sb, int type); +void dquot_destroy(struct dquot *dquot); int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc); int dquot_alloc_inode(const struct inode *inode, qsize_t number); -- cgit v0.10.2 From 4103003b3abb85af9dec9e60616ae086c2bcb4c9 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:33 +0100 Subject: reiserfs: Add default allocation routines for quota structures Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index a9b393a..c55651f 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -649,6 +649,8 @@ static struct dquot_operations reiserfs_quota_operations = { .release_dquot = reiserfs_release_dquot, .mark_dirty = reiserfs_mark_dquot_dirty, .write_info = reiserfs_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops reiserfs_qctl_operations = { -- cgit v0.10.2 From 157091a2c3cdc71422cbc71eace205cf1b9f2200 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:34 +0100 Subject: ext3: Add default allocation routines for quota structures Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 250ec53..c22d014 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -713,7 +713,9 @@ static struct dquot_operations ext3_quota_operations = { .acquire_dquot = ext3_acquire_dquot, .release_dquot = ext3_release_dquot, .mark_dirty = ext3_mark_dquot_dirty, - .write_info = ext3_write_info + .write_info = ext3_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops ext3_qctl_operations = { -- cgit v0.10.2 From a5b5ee320185adc091a3a31630d278806b19d8f0 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 25 Nov 2008 15:31:35 +0100 Subject: ext4: Add default allocation routines for quota structures Signed-off-by: Jan Kara Signed-off-by: Mark Fasheh diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 49fcf88..9494bb2 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -803,7 +803,9 @@ static struct dquot_operations ext4_quota_operations = { .acquire_dquot = ext4_acquire_dquot, .release_dquot = ext4_release_dquot, .mark_dirty = ext4_mark_dquot_dirty, - .write_info = ext4_write_info + .write_info = ext4_write_info, + .alloc_dquot = dquot_alloc, + .destroy_dquot = dquot_destroy, }; static struct quotactl_ops ext4_qctl_operations = { -- cgit v0.10.2 From e35ff98f7c37b7bc901b4b90a66a0287565e456c Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Wed, 26 Nov 2008 16:20:19 -0800 Subject: ocfs2: fix indendation in ocfs2_dquot_drop_slow Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 054d52b..a10faebe 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -893,7 +893,7 @@ static int ocfs2_dquot_drop_slow(struct inode *inode) if (IS_ERR(handle)) { status = PTR_ERR(handle); mlog_errno(status); - goto out; + goto out; } dquot_drop(inode); ocfs2_commit_trans(OCFS2_SB(sb), handle); -- cgit v0.10.2 From df32b3343aa11e0c7f54783594b24321d17d376f Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Tue, 25 Nov 2008 07:21:36 +0800 Subject: ocfs2/quota: sparse fixes for quota Fix 2 minor things in quota. They are both found by sparse check. 1. an endian bug in ocfs2_local_quota_add_chunk. 2. change olq_alloc_dquot to static. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index b5ddb22..d451b71 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -988,7 +988,7 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk( goto out_trans; } lock_buffer(bh); - dchunk->dqc_free = ol_quota_entries_per_block(sb); + dchunk->dqc_free = cpu_to_le32(ol_quota_entries_per_block(sb)); memset(dchunk->dqc_bitmap, 0, sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) - OCFS2_QBLK_RESERVED_SPACE); @@ -1110,7 +1110,7 @@ out: return ERR_PTR(status); } -void olq_alloc_dquot(struct buffer_head *bh, void *private) +static void olq_alloc_dquot(struct buffer_head *bh, void *private) { int *offset = private; struct ocfs2_local_disk_chunk *dchunk; -- cgit v0.10.2 From 548b0f22bb7497ba76f91627b99f9fed53a91704 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 24 Nov 2008 19:32:13 -0800 Subject: ocfs2: Dirty the entire bucket in ocfs2_bucket_value_truncate() ocfs2_bucket_value_truncate() currently takes the first bh of the bucket, and magically plays around with the value bh - even though the bucket structure in the calling function already has it. In addition, future code wants to always dirty the entire bucket when it is changed. So let's pass the entire bucket into this function, skip any block reads (we have them), and add the access/dirty logic. ocfs2_xattr_update_value_size() is no longer necessary, as it only did one thing other than journal access/dirty. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3b9634c..6db68a2 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4580,31 +4580,6 @@ out: return ret; } -static int ocfs2_xattr_value_update_size(struct inode *inode, - handle_t *handle, - struct buffer_head *xe_bh, - struct ocfs2_xattr_entry *xe, - u64 new_size) -{ - int ret; - - ret = ocfs2_journal_access(handle, inode, xe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret < 0) { - mlog_errno(ret); - goto out; - } - - xe->xe_value_size = cpu_to_le64(new_size); - - ret = ocfs2_journal_dirty(handle, xe_bh); - if (ret < 0) - mlog_errno(ret); - -out: - return ret; -} - /* * Truncate the specified xe_off entry in xattr bucket. * bucket is indicated by header_bh and len is the new length. @@ -4613,7 +4588,7 @@ out: * Copy the new updated xe and xe_value_root to new_xe and new_xv if needed. */ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, - struct buffer_head *header_bh, + struct ocfs2_xattr_bucket *bucket, int xe_off, int len, struct ocfs2_xattr_set_ctxt *ctxt) @@ -4623,8 +4598,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, struct buffer_head *value_bh = NULL; struct ocfs2_xattr_value_root *xv; struct ocfs2_xattr_entry *xe; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; + struct ocfs2_xattr_header *xh = bucket_xh(bucket); size_t blocksize = inode->i_sb->s_blocksize; xe = &xh->xh_entries[xe_off]; @@ -4638,34 +4612,41 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, /* We don't allow ocfs2_xattr_value to be stored in different block. */ BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); - value_blk += header_bh->b_blocknr; - ret = ocfs2_read_block(inode, value_blk, &value_bh, NULL); - if (ret) { - mlog_errno(ret); - goto out; - } + value_bh = bucket->bu_bhs[value_blk]; + BUG_ON(!value_bh); xv = (struct ocfs2_xattr_value_root *) (value_bh->b_data + offset % blocksize); - mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", - xe_off, (unsigned long long)header_bh->b_blocknr, len); - ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt); + ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_xattr_value_update_size(inode, ctxt->handle, - header_bh, xe, len); + /* + * From here on out we have to dirty the bucket. The generic + * value calls only modify one of the bucket's bhs, but we need + * to send the bucket at once. So if they error, they *could* have + * modified something. We have to assume they did, and dirty + * the whole bucket. This leaves us in a consistent state. + */ + mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", + xe_off, (unsigned long long)bucket_blkno(bucket), len); + ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt); if (ret) { mlog_errno(ret); - goto out; + goto out_dirty; } + xe->xe_value_size = cpu_to_le64(len); + +out_dirty: + ocfs2_xattr_bucket_journal_dirty(ctxt->handle, bucket); + out: - brelse(value_bh); return ret; } @@ -4681,7 +4662,7 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe)); offset = xe - xh->xh_entries; - ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0], + ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket, offset, len, ctxt); if (ret) mlog_errno(ret); @@ -5107,11 +5088,13 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, struct ocfs2_xattr_entry *xe; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,}; + int credits = ocfs2_remove_extent_credits(osb->sb) + + ocfs2_blocks_per_xattr_bucket(inode->i_sb); + ocfs2_init_dealloc_ctxt(&ctxt.dealloc); - ctxt.handle = ocfs2_start_trans(osb, - ocfs2_remove_extent_credits(osb->sb)); + ctxt.handle = ocfs2_start_trans(osb, credits); if (IS_ERR(ctxt.handle)) { ret = PTR_ERR(ctxt.handle); mlog_errno(ret); @@ -5123,8 +5106,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, if (ocfs2_xattr_is_local(xe)) continue; - ret = ocfs2_xattr_bucket_value_truncate(inode, - bucket->bu_bhs[0], + ret = ocfs2_xattr_bucket_value_truncate(inode, bucket, i, 0, &ctxt); if (ret) { mlog_errno(ret); -- cgit v0.10.2 From 88c3b0622acf82c7c86fbc066e81e15edc7c1685 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Thu, 11 Dec 2008 08:54:11 +0800 Subject: ocfs2: Narrow the transaction for deleting xattrs from a bucket. We move the transaction into the loop because in ocfs2_remove_extent, we will double the credits in function ocfs2_extend_rotate_transaction. So if we have a large loop number, we will soon waste much the journal space. Signed-off-by: Tao Ma Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 6db68a2..df53a2c 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -5094,30 +5094,30 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode, ocfs2_init_dealloc_ctxt(&ctxt.dealloc); - ctxt.handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(ctxt.handle)) { - ret = PTR_ERR(ctxt.handle); - mlog_errno(ret); - goto out; - } - for (i = 0; i < le16_to_cpu(xh->xh_count); i++) { xe = &xh->xh_entries[i]; if (ocfs2_xattr_is_local(xe)) continue; + ctxt.handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(ctxt.handle)) { + ret = PTR_ERR(ctxt.handle); + mlog_errno(ret); + break; + } + ret = ocfs2_xattr_bucket_value_truncate(inode, bucket, i, 0, &ctxt); + + ocfs2_commit_trans(osb, ctxt.handle); if (ret) { mlog_errno(ret); break; } } - ret = ocfs2_commit_trans(osb, ctxt.handle); ocfs2_schedule_truncate_log_flush(osb, 1); ocfs2_run_deallocs(osb, &ctxt.dealloc); -out: return ret; } -- cgit v0.10.2 From 92de109ade7999084fb0bfcc65d603252504e0d0 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 25 Nov 2008 17:06:40 -0800 Subject: ocfs2: Dirty the entire first bucket in ocfs2_extend_xattr_bucket() ocfs2_extend_xattr_bucket() takes an extent of buckets and shifts some of them down to make room for a new xattr. It is passed the first bh of the first bucket, because that is where we store the number of buckets in the extent. However, future code wants to always dirty the entire bucket when it is changed. So let's pass the entire bucket into this function, skip any block reads (we have them), and add the access/dirty logic. We also can skip passing in the target bucket bh - we only need its block number. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index df53a2c..ed1e959 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3905,7 +3905,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, mlog_errno(ret); goto out; } - + ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno); if (ret) goto out; @@ -4232,37 +4232,45 @@ leave: } /* - * Extend a new xattr bucket and move xattrs to the end one by one until - * We meet with start_bh. Only move half of the xattrs to the bucket after it. + * We are given an extent. 'first' is the bucket at the very front of + * the extent. The extent has space for an additional bucket past + * bucket_xh(first)->xh_num_buckets. 'target_blkno' is the block number + * of the target bucket. We wish to shift every bucket past the target + * down one, filling in that additional space. When we get back to the + * target, we split the target between itself and the now-empty bucket + * at target+1 (aka, target_blkno + blks_per_bucket). */ static int ocfs2_extend_xattr_bucket(struct inode *inode, handle_t *handle, - struct buffer_head *first_bh, - struct buffer_head *start_bh, + struct ocfs2_xattr_bucket *first, + u64 target_blk, u32 num_clusters) { int ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - u64 start_blk = start_bh->b_blocknr, end_blk; - u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb); - struct ocfs2_xattr_header *first_xh = - (struct ocfs2_xattr_header *)first_bh->b_data; - u16 bucket = le16_to_cpu(first_xh->xh_num_buckets); + u64 end_blk; + u16 new_bucket = le16_to_cpu(bucket_xh(first)->xh_num_buckets); mlog(0, "extend xattr bucket in %llu, xattr extend rec starting " - "from %llu, len = %u\n", (unsigned long long)start_blk, - (unsigned long long)first_bh->b_blocknr, num_clusters); + "from %llu, len = %u\n", (unsigned long long)target_blk, + (unsigned long long)bucket_blkno(first), num_clusters); - BUG_ON(bucket >= num_buckets); + /* The extent must have room for an additional bucket */ + BUG_ON(new_bucket >= + (num_clusters * ocfs2_xattr_buckets_per_cluster(osb))); - end_blk = first_bh->b_blocknr + (bucket - 1) * blk_per_bucket; + /* end_blk points to the last existing bucket */ + end_blk = bucket_blkno(first) + ((new_bucket - 1) * blk_per_bucket); /* - * We will touch all the buckets after the start_bh(include it). - * Then we add one more bucket. + * end_blk is the start of the last existing bucket. + * Thus, (end_blk - target_blk) covers the target bucket and + * every bucket after it up to, but not including, the last + * existing bucket. Then we add the last existing bucket, the + * new bucket, and the first bucket (3 * blk_per_bucket). */ - credits = end_blk - start_blk + 3 * blk_per_bucket + 1 + + credits = (end_blk - target_blk) + (3 * blk_per_bucket) + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { @@ -4270,14 +4278,14 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, first_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - while (end_blk != start_blk) { + while (end_blk != target_blk) { ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk, end_blk + blk_per_bucket, 0); if (ret) @@ -4285,12 +4293,12 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode, end_blk -= blk_per_bucket; } - /* Move half of the xattr in start_blk to the next bucket. */ - ret = ocfs2_divide_xattr_bucket(inode, handle, start_blk, - start_blk + blk_per_bucket, NULL, 0); + /* Move half of the xattr in target_blkno to the next bucket. */ + ret = ocfs2_divide_xattr_bucket(inode, handle, target_blk, + target_blk + blk_per_bucket, NULL, 0); - le16_add_cpu(&first_xh->xh_num_buckets, 1); - ocfs2_journal_dirty(handle, first_bh); + le16_add_cpu(&bucket_xh(first)->xh_num_buckets, 1); + ocfs2_xattr_bucket_journal_dirty(handle, first); out: return ret; @@ -4324,10 +4332,19 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, int ret, num_buckets, extend = 1; u64 p_blkno; u32 e_cpos, num_clusters; + /* The bucket at the front of the extent */ + struct ocfs2_xattr_bucket *first; mlog(0, "Add new xattr bucket starting form %llu\n", (unsigned long long)header_bh->b_blocknr); + first = ocfs2_xattr_bucket_new(inode); + if (!first) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + /* * Add refrence for header_bh here because it may be * changed in ocfs2_add_new_xattr_cluster and we need @@ -4367,17 +4384,25 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, } } - if (extend) + if (extend) { + /* These bucket reads should be cached */ + ret = ocfs2_read_xattr_bucket(first, first_bh->b_blocknr); + if (ret) { + mlog_errno(ret); + goto out; + } ret = ocfs2_extend_xattr_bucket(inode, ctxt->handle, - first_bh, - header_bh, + first, header_bh->b_blocknr, num_clusters); - if (ret) - mlog_errno(ret); + if (ret) + mlog_errno(ret); + } + out: brelse(first_bh); brelse(header_bh); + ocfs2_xattr_bucket_free(first); return ret; } -- cgit v0.10.2 From 15d609293d1954465a4788b9b182214323c6a2a1 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 25 Nov 2008 18:36:42 -0800 Subject: ocfs2: Dirty the entire first bucket in ocfs2_cp_xattr_cluster(). ocfs2_cp_xattr_cluster() takes the last bucket of a full extent and copies it over to a new extent. It then updates the headers of both extents to reflect the new state. It is passed the first bh of the first bucket in order to update that first extent's bucket count. It reads and dirties the first bh of the new extent for the same reason. However, future code wants to always dirty the entire bucket when it is changed. So it is changed to read the entire bucket it is updating for both extents. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index ed1e959..4dba347 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3936,9 +3936,10 @@ out: } /* - * Copy one xattr cluster from src_blk to to_blk. - * The to_blk will become the first bucket header of the cluster, so its - * xh_num_buckets will be initialized as the bucket num in the cluster. + * src_blk points to the last cluster of an existing extent. to_blk + * points to a newly allocated extent. We copy the cluster over to the + * new extent, initializing its xh_num_buckets. The old extent's + * xh_num_buckets shrinks by the same amount. */ static int ocfs2_cp_xattr_cluster(struct inode *inode, handle_t *handle, @@ -3950,27 +3951,42 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); - struct buffer_head *bh = NULL; - struct ocfs2_xattr_header *xh; - u64 to_blk_start = to_blk; + struct ocfs2_xattr_bucket *old_first, *new_first; mlog(0, "cp xattrs from cluster %llu to %llu\n", (unsigned long long)src_blk, (unsigned long long)to_blk); + /* The first bucket of the original extent */ + old_first = ocfs2_xattr_bucket_new(inode); + /* The first bucket of the new extent */ + new_first = ocfs2_xattr_bucket_new(inode); + if (!old_first || !new_first) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(old_first, first_bh->b_blocknr); + if (ret) { + mlog_errno(ret); + goto out; + } + /* - * We need to update the new cluster and 1 more for the update of - * the 1st bucket of the previous extent rec. + * We need to update the first bucket of the old extent and the + * entire first cluster of the new extent. */ - credits = bpc + 1 + handle->h_buffer_credits; + credits = blks_per_bucket + bpc + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, first_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, old_first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -3978,45 +3994,45 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, for (i = 0; i < num_buckets; i++) { ret = ocfs2_cp_xattr_bucket(inode, handle, - src_blk, to_blk, 1); + src_blk + (i * blks_per_bucket), + to_blk + (i * blks_per_bucket), + 1); if (ret) { mlog_errno(ret); goto out; } - - src_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); - to_blk += ocfs2_blocks_per_xattr_bucket(inode->i_sb); } - /* update the old bucket header. */ - xh = (struct ocfs2_xattr_header *)first_bh->b_data; - le16_add_cpu(&xh->xh_num_buckets, -num_buckets); - - ocfs2_journal_dirty(handle, first_bh); - - /* update the new bucket header. */ - ret = ocfs2_read_block(inode, to_blk_start, &bh, NULL); - if (ret < 0) { + /* + * Get the new bucket ready before we dirty anything + * (This actually shouldn't fail, because we already dirtied + * it once in ocfs2_cp_xattr_bucket()). + */ + ret = ocfs2_read_xattr_bucket(new_first, to_blk); + if (ret) { mlog_errno(ret); goto out; } - - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, new_first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - xh = (struct ocfs2_xattr_header *)bh->b_data; - xh->xh_num_buckets = cpu_to_le16(num_buckets); + /* Now update the headers */ + le16_add_cpu(&bucket_xh(old_first)->xh_num_buckets, -num_buckets); + ocfs2_xattr_bucket_journal_dirty(handle, old_first); - ocfs2_journal_dirty(handle, bh); + bucket_xh(new_first)->xh_num_buckets = cpu_to_le16(num_buckets); + ocfs2_xattr_bucket_journal_dirty(handle, new_first); if (first_hash) - *first_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); + *first_hash = le32_to_cpu(bucket_xh(new_first)->xh_entries[0].xe_name_hash); + out: - brelse(bh); + ocfs2_xattr_bucket_free(new_first); + ocfs2_xattr_bucket_free(old_first); return ret; } -- cgit v0.10.2 From 2b656c1d6fc5ba7791a360766780a212faed5705 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 25 Nov 2008 19:00:15 -0800 Subject: ocfs2: Explain t_is_new in ocfs2_cp_xattr_cluster(). I was unsure of the JOURNAL_ACCESS parameters in ocfs2_cp_xattr_cluster(). They're based on the function argument 't_is_new', but I couldn't quite figure out how t_is_new mapped to allocation. ocfs2_cp_xattr_cluster() actually overwrites the target, regardless of t_is_new. Well, I just figured it out. So I'm adding a big fat comment for those who come after me. ocfs2_divide_xattr_cluster() has the same behavior. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4dba347..5efcf4e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3747,6 +3747,11 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, goto out; } + /* + * Hey, if we're overwriting t_bucket, what difference does + * ACCESS_CREATE vs ACCESS_WRITE make? See the comment in the + * same part of ocfs2_cp_xattr_bucket(). + */ ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, new_bucket_head ? OCFS2_JOURNAL_ACCESS_CREATE : @@ -3918,6 +3923,18 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, if (ret) goto out; + /* + * Hey, if we're overwriting t_bucket, what difference does + * ACCESS_CREATE vs ACCESS_WRITE make? Well, if we allocated a new + * cluster to fill, we came here from ocfs2_cp_xattr_cluster(), and + * it is really new - ACCESS_CREATE is required. But we also + * might have moved data out of t_bucket before extending back + * into it. ocfs2_add_new_xattr_bucket() can do this - its call + * to ocfs2_add_new_xattr_cluster() may have created a new extent + * and copied out the end of the old extent. Then it re-extends + * the old extent back to create space for new xattrs. That's + * how we get here, and the bucket isn't really new. + */ ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket, t_is_new ? OCFS2_JOURNAL_ACCESS_CREATE : -- cgit v0.10.2 From b5c03e746959bb005b987e9d8511df46680c3daa Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 25 Nov 2008 19:58:16 -0800 Subject: ocfs2: Use ocfs2_cp_xattr_bucket() in ocfs2_mv_xattr_bucket_cross_cluster(). The buffer copy loop of ocfs2_mv_xattr_bucket_cross_cluster() actually looks a lot like ocfs2_cp_xattr_bucket(). Let's just use that instead. We also use bucket operations to update the buckets at the start of each extent. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5efcf4e..5be9966 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -170,6 +170,11 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, static int ocfs2_delete_xattr_index_block(struct inode *inode, struct buffer_head *xb_bh); +static int ocfs2_cp_xattr_bucket(struct inode *inode, + handle_t *handle, + u64 s_blkno, + u64 t_blkno, + int t_is_new); static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb) { @@ -3526,13 +3531,21 @@ out: } /* - * Move half nums of the xattr bucket in the previous cluster to this new - * cluster. We only touch the last cluster of the previous extend record. + * prev_blkno points to the start of an existing extent. new_blkno + * points to a newly allocated extent. Because we know each of our + * clusters contains more than bucket, we can easily split one cluster + * at a bucket boundary. So we take the last cluster of the existing + * extent and split it down the middle. We move the last half of the + * buckets in the last cluster of the existing extent over to the new + * extent. + * + * first_bh is the buffer at prev_blkno so we can update the existing + * extent's bucket count. header_bh is the bucket were we were hoping + * to insert our xattr. If the bucket move places the target in the new + * extent, we'll update first_bh and header_bh after modifying the old + * extent. * - * first_bh is the first buffer_head of a series of bucket in the same - * extent rec and header_bh is the header of one bucket in this cluster. - * They will be updated if we move the data header_bh contains to the new - * cluster. first_hash will be set as the 1st xe's name_hash of the new cluster. + * first_hash will be set as the 1st xe's name_hash in the new extent. */ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, handle_t *handle, @@ -3545,105 +3558,131 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, { int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); - int blocksize = inode->i_sb->s_blocksize; - struct buffer_head *old_bh, *new_bh, *prev_bh, *new_first_bh = NULL; - struct ocfs2_xattr_header *new_xh; + int to_move = num_buckets / 2; + u64 last_cluster_blkno, src_blkno; struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)((*first_bh)->b_data); + struct ocfs2_xattr_bucket *old_first, *new_first; BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets); BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize); - prev_bh = *first_bh; - get_bh(prev_bh); - xh = (struct ocfs2_xattr_header *)prev_bh->b_data; - - prev_blkno += (num_clusters - 1) * bpc + bpc / 2; + last_cluster_blkno = prev_blkno + ((num_clusters - 1) * bpc); + src_blkno = last_cluster_blkno + (to_move * blks_per_bucket); mlog(0, "move half of xattrs in cluster %llu to %llu\n", (unsigned long long)prev_blkno, (unsigned long long)new_blkno); + /* The first bucket of the original extent */ + old_first = ocfs2_xattr_bucket_new(inode); + /* The first bucket of the new extent */ + new_first = ocfs2_xattr_bucket_new(inode); + if (!old_first || !new_first) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(old_first, prev_blkno); + if (ret) { + mlog_errno(ret); + goto out; + } + /* - * We need to update the 1st half of the new cluster and - * 1 more for the update of the 1st bucket of the previous - * extent record. + * We need to update the 1st half of the new extent, and we + * need to update the first bucket of the old extent. */ - credits = bpc / 2 + 1 + handle->h_buffer_credits; + credits = ((to_move + 1) * blks_per_bucket) + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, prev_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_xattr_bucket_journal_access(handle, old_first, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } - for (i = 0; i < bpc / 2; i++, prev_blkno++, new_blkno++) { - old_bh = new_bh = NULL; - new_bh = sb_getblk(inode->i_sb, new_blkno); - if (!new_bh) { - ret = -EIO; + for (i = 0; i < to_move; i++) { + ret = ocfs2_cp_xattr_bucket(inode, handle, + src_blkno + (i * blks_per_bucket), + new_blkno + (i * blks_per_bucket), + 1); + if (ret) { mlog_errno(ret); goto out; } + } - ocfs2_set_new_buffer_uptodate(inode, new_bh); + /* + * Get the new bucket ready before we dirty anything + * (This actually shouldn't fail, because we already dirtied + * it once in ocfs2_cp_xattr_bucket()). + */ + ret = ocfs2_read_xattr_bucket(new_first, new_blkno); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_xattr_bucket_journal_access(handle, new_first, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } - ret = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); - if (ret < 0) { - mlog_errno(ret); - brelse(new_bh); - goto out; - } + /* Now update the headers */ + le16_add_cpu(&bucket_xh(old_first)->xh_num_buckets, -to_move); + ocfs2_xattr_bucket_journal_dirty(handle, old_first); - ret = ocfs2_read_block(inode, prev_blkno, &old_bh, NULL); - if (ret < 0) { - mlog_errno(ret); - brelse(new_bh); - goto out; - } + bucket_xh(new_first)->xh_num_buckets = cpu_to_le16(to_move); + ocfs2_xattr_bucket_journal_dirty(handle, new_first); - memcpy(new_bh->b_data, old_bh->b_data, blocksize); + if (first_hash) + *first_hash = le32_to_cpu(bucket_xh(new_first)->xh_entries[0].xe_name_hash); - if (i == 0) { - new_xh = (struct ocfs2_xattr_header *)new_bh->b_data; - new_xh->xh_num_buckets = cpu_to_le16(num_buckets / 2); + /* + * If the target bucket is anywhere past src_blkno, we moved + * it to the new extent. We need to update first_bh and header_bh. + */ + if ((*header_bh)->b_blocknr >= src_blkno) { + /* We're done with old_first, so we can re-use it. */ + ocfs2_xattr_bucket_relse(old_first); - if (first_hash) - *first_hash = le32_to_cpu( - new_xh->xh_entries[0].xe_name_hash); - new_first_bh = new_bh; - get_bh(new_first_bh); - } + /* Find the block for the new target bucket */ + src_blkno = new_blkno + + ((*header_bh)->b_blocknr - src_blkno); - ocfs2_journal_dirty(handle, new_bh); + /* + * This shouldn't fail - the buffers are in the + * journal from ocfs2_cp_xattr_bucket(). + */ + ret = ocfs2_read_xattr_bucket(old_first, src_blkno); + if (ret) { + mlog_errno(ret); + goto out; + } - if (*header_bh == old_bh) { - brelse(*header_bh); - *header_bh = new_bh; - get_bh(*header_bh); + brelse(*first_bh); + *first_bh = new_first->bu_bhs[0]; + get_bh(*first_bh); - brelse(*first_bh); - *first_bh = new_first_bh; - get_bh(*first_bh); - } - brelse(new_bh); - brelse(old_bh); + brelse(*header_bh); + *header_bh = old_first->bu_bhs[0]; + get_bh(*header_bh); } - le16_add_cpu(&xh->xh_num_buckets, -(num_buckets / 2)); - - ocfs2_journal_dirty(handle, prev_bh); out: - brelse(prev_bh); - brelse(new_first_bh); + ocfs2_xattr_bucket_free(new_first); + ocfs2_xattr_bucket_free(old_first); + return ret; } -- cgit v0.10.2 From 874d65af1c8b8f6456a934701e6828d3017be029 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 13:02:18 -0800 Subject: ocfs2: Rename ocfs2_cp_xattr_cluster() to ocfs2_mv_xattr_buckets(). ocfs2_cp_xattr_cluster() takes the last cluster of an xattr extent, copies its buckets to the front of a new extent, and then shrinks the bucket count of the original extent. So it's really moving the data, not copying it. While we're here, the function doesn't need a buffer_head for the old extent, just the block number. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5be9966..c1f2e06 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3965,11 +3965,12 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, /* * Hey, if we're overwriting t_bucket, what difference does * ACCESS_CREATE vs ACCESS_WRITE make? Well, if we allocated a new - * cluster to fill, we came here from ocfs2_cp_xattr_cluster(), and - * it is really new - ACCESS_CREATE is required. But we also - * might have moved data out of t_bucket before extending back - * into it. ocfs2_add_new_xattr_bucket() can do this - its call - * to ocfs2_add_new_xattr_cluster() may have created a new extent + * cluster to fill, we came here from + * ocfs2_mv_xattr_buckets(), and it is really new - + * ACCESS_CREATE is required. But we also might have moved data + * out of t_bucket before extending back into it. + * ocfs2_add_new_xattr_bucket() can do this - its call to + * ocfs2_add_new_xattr_cluster() may have created a new extent * and copied out the end of the old extent. Then it re-extends * the old extent back to create space for new xattrs. That's * how we get here, and the bucket isn't really new. @@ -3992,17 +3993,16 @@ out: } /* - * src_blk points to the last cluster of an existing extent. to_blk - * points to a newly allocated extent. We copy the cluster over to the - * new extent, initializing its xh_num_buckets. The old extent's - * xh_num_buckets shrinks by the same amount. + * src_blk points to the start of an existing extent. last_blk points to + * last cluster in that extent. to_blk points to a newly allocated + * extent. We copy the buckets from cluster at last_blk to the new extent, + * initializing its xh_num_buckets. The old extent's xh_num_buckets + * shrinks by the same amount. */ -static int ocfs2_cp_xattr_cluster(struct inode *inode, +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, - struct buffer_head *first_bh, - u64 src_blk, - u64 to_blk, - u32 *first_hash) + u64 src_blk, u64 last_blk, + u64 to_blk, u32 *first_hash) { int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); @@ -4011,8 +4011,8 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); struct ocfs2_xattr_bucket *old_first, *new_first; - mlog(0, "cp xattrs from cluster %llu to %llu\n", - (unsigned long long)src_blk, (unsigned long long)to_blk); + mlog(0, "mv xattrs from cluster %llu to %llu\n", + (unsigned long long)last_blk, (unsigned long long)to_blk); /* The first bucket of the original extent */ old_first = ocfs2_xattr_bucket_new(inode); @@ -4024,7 +4024,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, goto out; } - ret = ocfs2_read_xattr_bucket(old_first, first_bh->b_blocknr); + ret = ocfs2_read_xattr_bucket(old_first, src_blk); if (ret) { mlog_errno(ret); goto out; @@ -4050,7 +4050,7 @@ static int ocfs2_cp_xattr_cluster(struct inode *inode, for (i = 0; i < num_buckets; i++) { ret = ocfs2_cp_xattr_bucket(inode, handle, - src_blk + (i * blks_per_bucket), + last_blk + (i * blks_per_bucket), to_blk + (i * blks_per_bucket), 1); if (ret) { @@ -4175,8 +4175,10 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, u64 last_blk = prev_blk + bpc * (prev_clusters - 1); if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) - ret = ocfs2_cp_xattr_cluster(inode, handle, *first_bh, - last_blk, new_blk, + ret = ocfs2_mv_xattr_buckets(inode, handle, + (*first_bh)->b_blocknr, + last_blk, + new_blk, v_start); else { ret = ocfs2_divide_xattr_cluster(inode, handle, -- cgit v0.10.2 From 54ecb6b6df54bf72befb359b21f3759b2952f9d9 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 13:18:31 -0800 Subject: ocfs2: ocfs2_mv_xattr_buckets() can handle a partial cluster now. If you look at ocfs2_mv_xattr_bucket_cross_cluster(), you'll notice that two-thirds of the code is almost identical to ocfs2_mv_xattr_buckets(). The only difference is that ocfs2_mv_xattr_buckets() moves a whole cluster's worth, while ocfs2_mv_xattr_bucket_cross_cluster() moves half the cluster. We change ocfs2_mv_xattr_buckets() to allow moving partial clusters. The original caller of ocfs2_mv_xattr_buckets() still moves the whole cluster's worth - it just passes a start_bucket of 0. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index c1f2e06..9734094 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3995,18 +3995,19 @@ out: /* * src_blk points to the start of an existing extent. last_blk points to * last cluster in that extent. to_blk points to a newly allocated - * extent. We copy the buckets from cluster at last_blk to the new extent, - * initializing its xh_num_buckets. The old extent's xh_num_buckets - * shrinks by the same amount. + * extent. We copy the buckets from the cluster at last_blk to the new + * extent. If start_bucket is non-zero, we skip that many buckets before + * we start copying. The new extent's xh_num_buckets gets set to the + * number of buckets we copied. The old extent's xh_num_buckets shrinks + * by the same amount. */ -static int ocfs2_mv_xattr_buckets(struct inode *inode, - handle_t *handle, - u64 src_blk, u64 last_blk, - u64 to_blk, u32 *first_hash) +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, + u64 src_blk, u64 last_blk, u64 to_blk, + unsigned int start_bucket, + u32 *first_hash) { int i, ret, credits; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); struct ocfs2_xattr_bucket *old_first, *new_first; @@ -4014,6 +4015,12 @@ static int ocfs2_mv_xattr_buckets(struct inode *inode, mlog(0, "mv xattrs from cluster %llu to %llu\n", (unsigned long long)last_blk, (unsigned long long)to_blk); + BUG_ON(start_bucket >= num_buckets); + if (start_bucket) { + num_buckets -= start_bucket; + last_blk += (start_bucket * blks_per_bucket); + } + /* The first bucket of the original extent */ old_first = ocfs2_xattr_bucket_new(inode); /* The first bucket of the new extent */ @@ -4031,10 +4038,11 @@ static int ocfs2_mv_xattr_buckets(struct inode *inode, } /* - * We need to update the first bucket of the old extent and the - * entire first cluster of the new extent. + * We need to update the first bucket of the old extent and all + * the buckets going to the new extent. */ - credits = blks_per_bucket + bpc + handle->h_buffer_credits; + credits = ((num_buckets + 1) * blks_per_bucket) + + handle->h_buffer_credits; ret = ocfs2_extend_trans(handle, credits); if (ret) { mlog_errno(ret); @@ -4177,8 +4185,7 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) ret = ocfs2_mv_xattr_buckets(inode, handle, (*first_bh)->b_blocknr, - last_blk, - new_blk, + last_blk, new_blk, 0, v_start); else { ret = ocfs2_divide_xattr_cluster(inode, handle, -- cgit v0.10.2 From c58b6032f93358871361a92d7743dbc85d27084e Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 13:36:24 -0800 Subject: ocfs2: Use ocfs2_mv_xattr_buckets() in ocfs2_mv_xattr_bucket_cross_cluster(). Now that ocfs2_mv_xattr_buckets() can move a partial cluster's worth of buckets, ocfs2_mv_xattr_bucket_cross_cluster() can use it. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 9734094..c318928 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -170,11 +170,10 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, static int ocfs2_delete_xattr_index_block(struct inode *inode, struct buffer_head *xb_bh); -static int ocfs2_cp_xattr_bucket(struct inode *inode, - handle_t *handle, - u64 s_blkno, - u64 t_blkno, - int t_is_new); +static int ocfs2_mv_xattr_buckets(struct inode *inode, handle_t *handle, + u64 src_blk, u64 last_blk, u64 to_blk, + unsigned int start_bucket, + u32 *first_hash); static inline u16 ocfs2_xattr_buckets_per_cluster(struct ocfs2_super *osb) { @@ -3556,115 +3555,64 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, u32 num_clusters, u32 *first_hash) { - int i, ret, credits; + int ret; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); int to_move = num_buckets / 2; - u64 last_cluster_blkno, src_blkno; + u64 src_blkno; + u64 last_cluster_blkno = prev_blkno + + ((num_clusters - 1) * ocfs2_clusters_to_blocks(inode->i_sb, 1)); struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)((*first_bh)->b_data); - struct ocfs2_xattr_bucket *old_first, *new_first; + struct ocfs2_xattr_bucket *new_target, *new_first; BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets); BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize); - last_cluster_blkno = prev_blkno + ((num_clusters - 1) * bpc); - src_blkno = last_cluster_blkno + (to_move * blks_per_bucket); - mlog(0, "move half of xattrs in cluster %llu to %llu\n", - (unsigned long long)prev_blkno, (unsigned long long)new_blkno); + (unsigned long long)last_cluster_blkno, (unsigned long long)new_blkno); - /* The first bucket of the original extent */ - old_first = ocfs2_xattr_bucket_new(inode); /* The first bucket of the new extent */ new_first = ocfs2_xattr_bucket_new(inode); - if (!old_first || !new_first) { + /* The target bucket if it was moved to the new extent */ + new_target = ocfs2_xattr_bucket_new(inode); + if (!new_target || !new_first) { ret = -ENOMEM; mlog_errno(ret); goto out; } - ret = ocfs2_read_xattr_bucket(old_first, prev_blkno); + ret = ocfs2_mv_xattr_buckets(inode, handle, prev_blkno, + last_cluster_blkno, new_blkno, + to_move, first_hash); if (ret) { mlog_errno(ret); goto out; } - /* - * We need to update the 1st half of the new extent, and we - * need to update the first bucket of the old extent. - */ - credits = ((to_move + 1) * blks_per_bucket) + handle->h_buffer_credits; - ret = ocfs2_extend_trans(handle, credits); - if (ret) { - mlog_errno(ret); - goto out; - } - - ret = ocfs2_xattr_bucket_journal_access(handle, old_first, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } - - for (i = 0; i < to_move; i++) { - ret = ocfs2_cp_xattr_bucket(inode, handle, - src_blkno + (i * blks_per_bucket), - new_blkno + (i * blks_per_bucket), - 1); - if (ret) { - mlog_errno(ret); - goto out; - } - } - - /* - * Get the new bucket ready before we dirty anything - * (This actually shouldn't fail, because we already dirtied - * it once in ocfs2_cp_xattr_bucket()). - */ - ret = ocfs2_read_xattr_bucket(new_first, new_blkno); - if (ret) { - mlog_errno(ret); - goto out; - } - ret = ocfs2_xattr_bucket_journal_access(handle, new_first, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto out; - } - - /* Now update the headers */ - le16_add_cpu(&bucket_xh(old_first)->xh_num_buckets, -to_move); - ocfs2_xattr_bucket_journal_dirty(handle, old_first); - - bucket_xh(new_first)->xh_num_buckets = cpu_to_le16(to_move); - ocfs2_xattr_bucket_journal_dirty(handle, new_first); - - if (first_hash) - *first_hash = le32_to_cpu(bucket_xh(new_first)->xh_entries[0].xe_name_hash); + /* This is the first bucket that got moved */ + src_blkno = last_cluster_blkno + (to_move * blks_per_bucket); /* - * If the target bucket is anywhere past src_blkno, we moved - * it to the new extent. We need to update first_bh and header_bh. + * If the target bucket was part of the moved buckets, we need to + * update first_bh and header_bh. */ if ((*header_bh)->b_blocknr >= src_blkno) { - /* We're done with old_first, so we can re-use it. */ - ocfs2_xattr_bucket_relse(old_first); - /* Find the block for the new target bucket */ src_blkno = new_blkno + ((*header_bh)->b_blocknr - src_blkno); /* - * This shouldn't fail - the buffers are in the + * These shouldn't fail - the buffers are in the * journal from ocfs2_cp_xattr_bucket(). */ - ret = ocfs2_read_xattr_bucket(old_first, src_blkno); + ret = ocfs2_read_xattr_bucket(new_first, new_blkno); + if (ret) { + mlog_errno(ret); + goto out; + } + ret = ocfs2_read_xattr_bucket(new_target, src_blkno); if (ret) { mlog_errno(ret); goto out; @@ -3675,13 +3623,13 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, get_bh(*first_bh); brelse(*header_bh); - *header_bh = old_first->bu_bhs[0]; + *header_bh = new_target->bu_bhs[0]; get_bh(*header_bh); } out: ocfs2_xattr_bucket_free(new_first); - ocfs2_xattr_bucket_free(old_first); + ocfs2_xattr_bucket_free(new_target); return ret; } -- cgit v0.10.2 From 92cf3adf48097b7561a3c83f800ed3b2b25b18d4 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 14:12:09 -0800 Subject: ocfs2: Start using buckets in ocfs2_adjust_xattr_cross_cluster(). We want to be passing around buckets instead of buffer_heads. Let's get them into ocfs2_adjust_xattr_cross_cluster. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index c318928..975ba36 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4111,28 +4111,54 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, u32 *v_start, int *extend) { - int ret = 0; - int bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); + int ret; + struct ocfs2_xattr_bucket *first, *target; mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n", (unsigned long long)prev_blk, prev_clusters, (unsigned long long)new_blk); + /* The first bucket of the original extent */ + first = ocfs2_xattr_bucket_new(inode); + /* The target bucket for insert */ + target = ocfs2_xattr_bucket_new(inode); + if (!first || !target) { + ret = -ENOMEM; + mlog_errno(ret); + goto out; + } + + BUG_ON(prev_blk != (*first_bh)->b_blocknr); + ret = ocfs2_read_xattr_bucket(first, prev_blk); + if (ret) { + mlog_errno(ret); + goto out; + } + + ret = ocfs2_read_xattr_bucket(target, (*header_bh)->b_blocknr); + if (ret) { + mlog_errno(ret); + goto out; + } + if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) ret = ocfs2_mv_xattr_bucket_cross_cluster(inode, handle, first_bh, header_bh, new_blk, - prev_blk, + bucket_blkno(first), prev_clusters, v_start); else { - u64 last_blk = prev_blk + bpc * (prev_clusters - 1); + /* The start of the last cluster in the first extent */ + u64 last_blk = bucket_blkno(first) + + ((prev_clusters - 1) * + ocfs2_clusters_to_blocks(inode->i_sb, 1)); - if (prev_clusters > 1 && (*header_bh)->b_blocknr != last_blk) + if (prev_clusters > 1 && bucket_blkno(target) != last_blk) ret = ocfs2_mv_xattr_buckets(inode, handle, - (*first_bh)->b_blocknr, + bucket_blkno(first), last_blk, new_blk, 0, v_start); else { @@ -4140,11 +4166,15 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, last_blk, new_blk, v_start); - if ((*header_bh)->b_blocknr == last_blk && extend) + if ((bucket_blkno(target) == last_blk) && extend) *extend = 0; } } +out: + ocfs2_xattr_bucket_free(first); + ocfs2_xattr_bucket_free(target); + return ret; } -- cgit v0.10.2 From 41cb814866110b6e35dad7569ecf96163c3bb824 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 14:25:21 -0800 Subject: ocfs2: Pass buckets into ocfs2_mv_xattr_bucket_cross_cluster(). Now that ocfs2_adjust_xattr_cross_cluster() has buckets, it can pass them into ocfs2_mv_xattr_bucket_cross_cluster(). It no longer has to care about buffer_heads. The manipulation of first_bh and header_bh moves up to ocfs2_adjust_xattr_cross_cluster(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 975ba36..2f16f50 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3548,42 +3548,28 @@ out: */ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, handle_t *handle, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u64 new_blkno, - u64 prev_blkno, u32 num_clusters, u32 *first_hash) { int ret; - struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb); - int num_buckets = ocfs2_xattr_buckets_per_cluster(osb); + struct super_block *sb = inode->i_sb; + int blks_per_bucket = ocfs2_blocks_per_xattr_bucket(sb); + int num_buckets = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(sb)); int to_move = num_buckets / 2; u64 src_blkno; - u64 last_cluster_blkno = prev_blkno + - ((num_clusters - 1) * ocfs2_clusters_to_blocks(inode->i_sb, 1)); - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)((*first_bh)->b_data); - struct ocfs2_xattr_bucket *new_target, *new_first; + u64 last_cluster_blkno = bucket_blkno(first) + + ((num_clusters - 1) * ocfs2_clusters_to_blocks(sb, 1)); - BUG_ON(le16_to_cpu(xh->xh_num_buckets) < num_buckets); - BUG_ON(OCFS2_XATTR_BUCKET_SIZE == osb->s_clustersize); + BUG_ON(le16_to_cpu(bucket_xh(first)->xh_num_buckets) < num_buckets); + BUG_ON(OCFS2_XATTR_BUCKET_SIZE == OCFS2_SB(sb)->s_clustersize); mlog(0, "move half of xattrs in cluster %llu to %llu\n", (unsigned long long)last_cluster_blkno, (unsigned long long)new_blkno); - /* The first bucket of the new extent */ - new_first = ocfs2_xattr_bucket_new(inode); - /* The target bucket if it was moved to the new extent */ - new_target = ocfs2_xattr_bucket_new(inode); - if (!new_target || !new_first) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } - - ret = ocfs2_mv_xattr_buckets(inode, handle, prev_blkno, + ret = ocfs2_mv_xattr_buckets(inode, handle, bucket_blkno(first), last_cluster_blkno, new_blkno, to_move, first_hash); if (ret) { @@ -3596,41 +3582,32 @@ static int ocfs2_mv_xattr_bucket_cross_cluster(struct inode *inode, /* * If the target bucket was part of the moved buckets, we need to - * update first_bh and header_bh. + * update first and target. */ - if ((*header_bh)->b_blocknr >= src_blkno) { + if (bucket_blkno(target) >= src_blkno) { /* Find the block for the new target bucket */ src_blkno = new_blkno + - ((*header_bh)->b_blocknr - src_blkno); + (bucket_blkno(target) - src_blkno); + + ocfs2_xattr_bucket_relse(first); + ocfs2_xattr_bucket_relse(target); /* * These shouldn't fail - the buffers are in the * journal from ocfs2_cp_xattr_bucket(). */ - ret = ocfs2_read_xattr_bucket(new_first, new_blkno); + ret = ocfs2_read_xattr_bucket(first, new_blkno); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_read_xattr_bucket(new_target, src_blkno); - if (ret) { + ret = ocfs2_read_xattr_bucket(target, src_blkno); + if (ret) mlog_errno(ret); - goto out; - } - brelse(*first_bh); - *first_bh = new_first->bu_bhs[0]; - get_bh(*first_bh); - - brelse(*header_bh); - *header_bh = new_target->bu_bhs[0]; - get_bh(*header_bh); } out: - ocfs2_xattr_bucket_free(new_first); - ocfs2_xattr_bucket_free(new_target); - return ret; } @@ -4141,16 +4118,29 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, goto out; } - if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) + if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) { ret = ocfs2_mv_xattr_bucket_cross_cluster(inode, handle, - first_bh, - header_bh, + first, target, new_blk, - bucket_blkno(first), prev_clusters, v_start); - else { + if (ret) { + mlog_errno(ret); + goto out; + } + + /* Did first+target get moved? */ + if (prev_blk != bucket_blkno(first)) { + brelse(*first_bh); + *first_bh = first->bu_bhs[0]; + get_bh(*first_bh); + + brelse(*header_bh); + *header_bh = target->bu_bhs[0]; + get_bh(*header_bh); + } + } else { /* The start of the last cluster in the first extent */ u64 last_blk = bucket_blkno(first) + ((prev_clusters - 1) * -- cgit v0.10.2 From 012ee910876e251621705e8dea7c353fd4914e19 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 14:43:31 -0800 Subject: ocfs2: Move buckets up into ocfs2_add_new_xattr_cluster(). Lift the buckets from ocfs2_adjust_xattr_cross_cluster() up into ocfs2_add_new_xattr_cluster(). Now ocfs2_adjust_xattr_cross_cluster() doesn't deal with buffer_heads. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 2f16f50..4b24704 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4080,44 +4080,19 @@ static int ocfs2_divide_xattr_cluster(struct inode *inode, */ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, handle_t *handle, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u64 new_blk, - u64 prev_blk, u32 prev_clusters, u32 *v_start, int *extend) { int ret; - struct ocfs2_xattr_bucket *first, *target; mlog(0, "adjust xattrs from cluster %llu len %u to %llu\n", - (unsigned long long)prev_blk, prev_clusters, + (unsigned long long)bucket_blkno(first), prev_clusters, (unsigned long long)new_blk); - /* The first bucket of the original extent */ - first = ocfs2_xattr_bucket_new(inode); - /* The target bucket for insert */ - target = ocfs2_xattr_bucket_new(inode); - if (!first || !target) { - ret = -ENOMEM; - mlog_errno(ret); - goto out; - } - - BUG_ON(prev_blk != (*first_bh)->b_blocknr); - ret = ocfs2_read_xattr_bucket(first, prev_blk); - if (ret) { - mlog_errno(ret); - goto out; - } - - ret = ocfs2_read_xattr_bucket(target, (*header_bh)->b_blocknr); - if (ret) { - mlog_errno(ret); - goto out; - } - if (ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb)) > 1) { ret = ocfs2_mv_xattr_bucket_cross_cluster(inode, handle, @@ -4125,46 +4100,33 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, new_blk, prev_clusters, v_start); - if (ret) { + if (ret) mlog_errno(ret); - goto out; - } - - /* Did first+target get moved? */ - if (prev_blk != bucket_blkno(first)) { - brelse(*first_bh); - *first_bh = first->bu_bhs[0]; - get_bh(*first_bh); - - brelse(*header_bh); - *header_bh = target->bu_bhs[0]; - get_bh(*header_bh); - } } else { /* The start of the last cluster in the first extent */ u64 last_blk = bucket_blkno(first) + ((prev_clusters - 1) * ocfs2_clusters_to_blocks(inode->i_sb, 1)); - if (prev_clusters > 1 && bucket_blkno(target) != last_blk) + if (prev_clusters > 1 && bucket_blkno(target) != last_blk) { ret = ocfs2_mv_xattr_buckets(inode, handle, bucket_blkno(first), last_blk, new_blk, 0, v_start); - else { + if (ret) + mlog_errno(ret); + } else { ret = ocfs2_divide_xattr_cluster(inode, handle, last_blk, new_blk, v_start); + if (ret) + mlog_errno(ret); if ((bucket_blkno(target) == last_blk) && extend) *extend = 0; } } -out: - ocfs2_xattr_bucket_free(first); - ocfs2_xattr_bucket_free(target); - return ret; } @@ -4202,6 +4164,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; + struct ocfs2_xattr_bucket *first, *target; mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " "previous xattr blkno = %llu\n", @@ -4210,6 +4173,29 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); + /* The first bucket of the original extent */ + first = ocfs2_xattr_bucket_new(inode); + /* The target bucket for insert */ + target = ocfs2_xattr_bucket_new(inode); + if (!first || !target) { + ret = -ENOMEM; + mlog_errno(ret); + goto leave; + } + + BUG_ON(prev_blkno != (*first_bh)->b_blocknr); + ret = ocfs2_read_xattr_bucket(first, prev_blkno); + if (ret) { + mlog_errno(ret); + goto leave; + } + + ret = ocfs2_read_xattr_bucket(target, (*header_bh)->b_blocknr); + if (ret) { + mlog_errno(ret); + goto leave; + } + ret = ocfs2_journal_access(handle, inode, root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { @@ -4250,10 +4236,9 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, } else { ret = ocfs2_adjust_xattr_cross_cluster(inode, handle, - first_bh, - header_bh, + first, + target, block, - prev_blkno, prev_clusters, &v_start, extend); @@ -4261,6 +4246,17 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog_errno(ret); goto leave; } + + /* Did first+target get moved? */ + if (prev_blkno != bucket_blkno(first)) { + brelse(*first_bh); + *first_bh = first->bu_bhs[0]; + get_bh(*first_bh); + + brelse(*header_bh); + *header_bh = target->bu_bhs[0]; + get_bh(*header_bh); + } } mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", @@ -4277,6 +4273,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog_errno(ret); leave: + ocfs2_xattr_bucket_free(first); + ocfs2_xattr_bucket_free(target); return ret; } -- cgit v0.10.2 From ed29c0ca14871021fc8aced74650648dcb2c6e81 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 15:08:44 -0800 Subject: ocfs2: Move buckets up into ocfs2_add_new_xattr_bucket(). Lift the buckets from ocfs2_add_new_xattr_cluster() up into ocfs2_add_new_xattr_bucket(). Now ocfs2_add_new_xattr_cluster() doesn't deal with buffer_heads. In fact, we no longer have to play get_bh() tricks at all. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4b24704..5a5a1bd 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4148,11 +4148,10 @@ static int ocfs2_adjust_xattr_cross_cluster(struct inode *inode, */ static int ocfs2_add_new_xattr_cluster(struct inode *inode, struct buffer_head *root_bh, - struct buffer_head **first_bh, - struct buffer_head **header_bh, + struct ocfs2_xattr_bucket *first, + struct ocfs2_xattr_bucket *target, u32 *num_clusters, u32 prev_cpos, - u64 prev_blkno, int *extend, struct ocfs2_xattr_set_ctxt *ctxt) { @@ -4164,38 +4163,14 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, handle_t *handle = ctxt->handle; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct ocfs2_extent_tree et; - struct ocfs2_xattr_bucket *first, *target; mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " "previous xattr blkno = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno, - prev_cpos, (unsigned long long)prev_blkno); + prev_cpos, (unsigned long long)bucket_blkno(first)); ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); - /* The first bucket of the original extent */ - first = ocfs2_xattr_bucket_new(inode); - /* The target bucket for insert */ - target = ocfs2_xattr_bucket_new(inode); - if (!first || !target) { - ret = -ENOMEM; - mlog_errno(ret); - goto leave; - } - - BUG_ON(prev_blkno != (*first_bh)->b_blocknr); - ret = ocfs2_read_xattr_bucket(first, prev_blkno); - if (ret) { - mlog_errno(ret); - goto leave; - } - - ret = ocfs2_read_xattr_bucket(target, (*header_bh)->b_blocknr); - if (ret) { - mlog_errno(ret); - goto leave; - } - ret = ocfs2_journal_access(handle, inode, root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { @@ -4217,7 +4192,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog(0, "Allocating %u clusters at block %u for xattr in inode %llu\n", num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - if (prev_blkno + prev_clusters * bpc == block && + if (bucket_blkno(first) + (prev_clusters * bpc) == block && (prev_clusters + num_bits) << osb->s_clustersize_bits <= OCFS2_MAX_XATTR_TREE_LEAF_SIZE) { /* @@ -4246,17 +4221,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog_errno(ret); goto leave; } - - /* Did first+target get moved? */ - if (prev_blkno != bucket_blkno(first)) { - brelse(*first_bh); - *first_bh = first->bu_bhs[0]; - get_bh(*first_bh); - - brelse(*header_bh); - *header_bh = target->bu_bhs[0]; - get_bh(*header_bh); - } } mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", @@ -4273,8 +4237,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog_errno(ret); leave: - ocfs2_xattr_bucket_free(first); - ocfs2_xattr_bucket_free(target); return ret; } @@ -4357,16 +4319,16 @@ out: * We will move all the buckets starting from header_bh to the next place. As * for this one, half num of its xattrs will be moved to the next one. * - * We will allocate a new cluster if current cluster is full and adjust - * header_bh and first_bh if the insert place is moved to the new cluster. + * We will allocate a new cluster if current cluster is full. The + * underlying calls will make sure that there is space at the target + * bucket, shifting buckets around if necessary. 'target' may be updated + * by those calls. */ static int ocfs2_add_new_xattr_bucket(struct inode *inode, struct buffer_head *xb_bh, struct buffer_head *header_bh, struct ocfs2_xattr_set_ctxt *ctxt) { - struct ocfs2_xattr_header *first_xh = NULL; - struct buffer_head *first_bh = NULL; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; @@ -4374,31 +4336,26 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)header_bh->b_data; u32 name_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); - struct super_block *sb = inode->i_sb; - struct ocfs2_super *osb = OCFS2_SB(sb); + struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int ret, num_buckets, extend = 1; u64 p_blkno; u32 e_cpos, num_clusters; /* The bucket at the front of the extent */ - struct ocfs2_xattr_bucket *first; + struct ocfs2_xattr_bucket *first, *target; mlog(0, "Add new xattr bucket starting form %llu\n", (unsigned long long)header_bh->b_blocknr); + /* The first bucket of the original extent */ first = ocfs2_xattr_bucket_new(inode); - if (!first) { + /* The target bucket for insert */ + target = ocfs2_xattr_bucket_new(inode); + if (!first || !target) { ret = -ENOMEM; mlog_errno(ret); goto out; } - /* - * Add refrence for header_bh here because it may be - * changed in ocfs2_add_new_xattr_cluster and we need - * to free it in the end. - */ - get_bh(header_bh); - ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno, &e_cpos, &num_clusters, el); if (ret) { @@ -4406,23 +4363,30 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_block(inode, p_blkno, &first_bh, NULL); + ret = ocfs2_read_xattr_bucket(first, p_blkno); if (ret) { mlog_errno(ret); goto out; } - num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters; - first_xh = (struct ocfs2_xattr_header *)first_bh->b_data; + ret = ocfs2_read_xattr_bucket(target, header_bh->b_blocknr); + if (ret) { + mlog_errno(ret); + goto out; + } - if (num_buckets == le16_to_cpu(first_xh->xh_num_buckets)) { + num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters; + if (num_buckets == le16_to_cpu(bucket_xh(first)->xh_num_buckets)) { + /* + * This can move first+target if the target bucket moves + * to the new extent. + */ ret = ocfs2_add_new_xattr_cluster(inode, xb_bh, - &first_bh, - &header_bh, + first, + target, &num_clusters, e_cpos, - p_blkno, &extend, ctxt); if (ret) { @@ -4432,24 +4396,19 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, } if (extend) { - /* These bucket reads should be cached */ - ret = ocfs2_read_xattr_bucket(first, first_bh->b_blocknr); - if (ret) { - mlog_errno(ret); - goto out; - } ret = ocfs2_extend_xattr_bucket(inode, ctxt->handle, - first, header_bh->b_blocknr, + first, + bucket_blkno(target), num_clusters); if (ret) mlog_errno(ret); } out: - brelse(first_bh); - brelse(header_bh); ocfs2_xattr_bucket_free(first); + ocfs2_xattr_bucket_free(target); + return ret; } -- cgit v0.10.2 From 91f2033fa997aa92607470ed1ef90685b9d77a8c Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 26 Nov 2008 15:25:41 -0800 Subject: ocfs2: Pass xs->bucket into ocfs2_add_new_xattr_bucket(). Pass the actual target bucket for insert through to ocfs2_add_new_xattr_bucket(). Now growing a bucket has no buffer_head knowledge. ocfs2_add_new_xattr_bucket() leavs xs->bucket in the proper state for insert. However, it doesn't update the rest of the search fields in xs, so we still have to relse() and re-find. That's OK, because everything is cached. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5a5a1bd..dfc51c3 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -4314,43 +4314,42 @@ out: } /* - * Add new xattr bucket in an extent record and adjust the buckets accordingly. - * xb_bh is the ocfs2_xattr_block. - * We will move all the buckets starting from header_bh to the next place. As - * for this one, half num of its xattrs will be moved to the next one. + * Add new xattr bucket in an extent record and adjust the buckets + * accordingly. xb_bh is the ocfs2_xattr_block, and target is the + * bucket we want to insert into. * - * We will allocate a new cluster if current cluster is full. The - * underlying calls will make sure that there is space at the target - * bucket, shifting buckets around if necessary. 'target' may be updated - * by those calls. + * In the easy case, we will move all the buckets after target down by + * one. Half of target's xattrs will be moved to the next bucket. + * + * If current cluster is full, we'll allocate a new one. This may not + * be contiguous. The underlying calls will make sure that there is + * space for the insert, shifting buckets around if necessary. + * 'target' may be moved by those calls. */ static int ocfs2_add_new_xattr_bucket(struct inode *inode, struct buffer_head *xb_bh, - struct buffer_head *header_bh, + struct ocfs2_xattr_bucket *target, struct ocfs2_xattr_set_ctxt *ctxt) { struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)xb_bh->b_data; struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; struct ocfs2_extent_list *el = &xb_root->xt_list; - struct ocfs2_xattr_header *xh = - (struct ocfs2_xattr_header *)header_bh->b_data; - u32 name_hash = le32_to_cpu(xh->xh_entries[0].xe_name_hash); + u32 name_hash = + le32_to_cpu(bucket_xh(target)->xh_entries[0].xe_name_hash); struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); int ret, num_buckets, extend = 1; u64 p_blkno; u32 e_cpos, num_clusters; /* The bucket at the front of the extent */ - struct ocfs2_xattr_bucket *first, *target; + struct ocfs2_xattr_bucket *first; - mlog(0, "Add new xattr bucket starting form %llu\n", - (unsigned long long)header_bh->b_blocknr); + mlog(0, "Add new xattr bucket starting from %llu\n", + (unsigned long long)bucket_blkno(target)); /* The first bucket of the original extent */ first = ocfs2_xattr_bucket_new(inode); - /* The target bucket for insert */ - target = ocfs2_xattr_bucket_new(inode); - if (!first || !target) { + if (!first) { ret = -ENOMEM; mlog_errno(ret); goto out; @@ -4369,12 +4368,6 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, goto out; } - ret = ocfs2_read_xattr_bucket(target, header_bh->b_blocknr); - if (ret) { - mlog_errno(ret); - goto out; - } - num_buckets = ocfs2_xattr_buckets_per_cluster(osb) * num_clusters; if (num_buckets == le16_to_cpu(bucket_xh(first)->xh_num_buckets)) { /* @@ -4407,7 +4400,6 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode, out: ocfs2_xattr_bucket_free(first); - ocfs2_xattr_bucket_free(target); return ret; } @@ -5083,15 +5075,21 @@ try_again: ret = ocfs2_add_new_xattr_bucket(inode, xs->xattr_bh, - xs->bucket->bu_bhs[0], + xs->bucket, ctxt); if (ret) { mlog_errno(ret); goto out; } + /* + * ocfs2_add_new_xattr_bucket() will have updated + * xs->bucket if it moved, but it will not have updated + * any of the other search fields. Thus, we drop it and + * re-search. Everything should be cached, so it'll be + * quick. + */ ocfs2_xattr_bucket_relse(xs->bucket); - ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh, xi->name_index, xi->name, xs); -- cgit v0.10.2 From 754938c142ae0c28360426c43f965ddc5164b21e Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 15 Dec 2008 06:03:41 +0800 Subject: ocfs2/quota: Add QUOTA in mlog_attribute. A new mlog mask has to be added into mlog_attribute before it can be really used in mlog. ML_QUOTA is only added in masklog.h, so add it to the array to enable it. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c index d8a0cb9..96df541 100644 --- a/fs/ocfs2/cluster/masklog.c +++ b/fs/ocfs2/cluster/masklog.c @@ -110,6 +110,7 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = { define_mask(QUORUM), define_mask(EXPORT), define_mask(XATTR), + define_mask(QUOTA), define_mask(ERROR), define_mask(NOTICE), define_mask(KTHREAD), -- cgit v0.10.2 From e06c8227fd94ec181849ba206bf032be31c4295c Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 11 Sep 2008 15:35:47 -0700 Subject: jbd2: Add buffer triggers Filesystems often to do compute intensive operation on some metadata. If this operation is repeated many times, it can be very expensive. It would be much nicer if the operation could be performed once before a buffer goes to disk. This adds triggers to jbd2 buffer heads. Just before writing a metadata buffer to the journal, jbd2 will optionally call a commit trigger associated with the buffer. If the journal is aborted, an abort trigger will be called on any dirty buffers as they are dropped from pending transactions. ocfs2 will use this feature. Initially I tried to come up with a more generic trigger that could be used for non-buffer-related events like transaction completion. It doesn't tie nicely, because the information a buffer trigger needs (specific to a journal_head) isn't the same as what a transaction trigger needs (specific to a tranaction_t or perhaps journal_t). So I implemented a buffer set, with the understanding that journal/transaction wide triggers should be implemented separately. There is only one trigger set allowed per buffer. I can't think of any reason to attach more than one set. Contrast this with a journal or transaction in which multiple places may want to watch the entire transaction separately. The trigger sets are considered static allocation from the jbd2 perspective. ocfs2 will just have one trigger set per block type, setting the same set on every bh of the same type. Signed-off-by: Joel Becker Cc: "Theodore Ts'o" Cc: Signed-off-by: Mark Fasheh diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index ebc667b..c8a1bac 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -509,6 +509,10 @@ void jbd2_journal_commit_transaction(journal_t *journal) if (is_journal_aborted(journal)) { clear_buffer_jbddirty(jh2bh(jh)); JBUFFER_TRACE(jh, "journal is aborting: refile"); + jbd2_buffer_abort_trigger(jh, + jh->b_frozen_data ? + jh->b_frozen_triggers : + jh->b_triggers); jbd2_journal_refile_buffer(journal, jh); /* If that was the last one, we need to clean up * any descriptor buffers which may have been @@ -844,6 +848,9 @@ restart_loop: * data. * * Otherwise, we can just throw away the frozen data now. + * + * We also know that the frozen data has already fired + * its triggers if they exist, so we can clear that too. */ if (jh->b_committed_data) { jbd2_free(jh->b_committed_data, bh->b_size); @@ -851,10 +858,12 @@ restart_loop: if (jh->b_frozen_data) { jh->b_committed_data = jh->b_frozen_data; jh->b_frozen_data = NULL; + jh->b_frozen_triggers = NULL; } } else if (jh->b_frozen_data) { jbd2_free(jh->b_frozen_data, bh->b_size); jh->b_frozen_data = NULL; + jh->b_frozen_triggers = NULL; } spin_lock(&journal->j_list_lock); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index e70d657..f6bff9d 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -50,6 +50,7 @@ EXPORT_SYMBOL(jbd2_journal_unlock_updates); EXPORT_SYMBOL(jbd2_journal_get_write_access); EXPORT_SYMBOL(jbd2_journal_get_create_access); EXPORT_SYMBOL(jbd2_journal_get_undo_access); +EXPORT_SYMBOL(jbd2_journal_set_triggers); EXPORT_SYMBOL(jbd2_journal_dirty_metadata); EXPORT_SYMBOL(jbd2_journal_release_buffer); EXPORT_SYMBOL(jbd2_journal_forget); @@ -290,6 +291,7 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction, struct page *new_page; unsigned int new_offset; struct buffer_head *bh_in = jh2bh(jh_in); + struct jbd2_buffer_trigger_type *triggers; /* * The buffer really shouldn't be locked: only the current committing @@ -314,13 +316,23 @@ repeat: done_copy_out = 1; new_page = virt_to_page(jh_in->b_frozen_data); new_offset = offset_in_page(jh_in->b_frozen_data); + triggers = jh_in->b_frozen_triggers; } else { new_page = jh2bh(jh_in)->b_page; new_offset = offset_in_page(jh2bh(jh_in)->b_data); + triggers = jh_in->b_triggers; } mapped_data = kmap_atomic(new_page, KM_USER0); /* + * Fire any commit trigger. Do this before checking for escaping, + * as the trigger may modify the magic offset. If a copy-out + * happens afterwards, it will have the correct data in the buffer. + */ + jbd2_buffer_commit_trigger(jh_in, mapped_data + new_offset, + triggers); + + /* * Check for escaping */ if (*((__be32 *)(mapped_data + new_offset)) == @@ -352,6 +364,13 @@ repeat: new_page = virt_to_page(tmp); new_offset = offset_in_page(tmp); done_copy_out = 1; + + /* + * This isn't strictly necessary, as we're using frozen + * data for the escaping, but it keeps consistency with + * b_frozen_data usage. + */ + jh_in->b_frozen_triggers = jh_in->b_triggers; } /* diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 39b7805..4f925a4 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -741,6 +741,12 @@ done: source = kmap_atomic(page, KM_USER0); memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size); kunmap_atomic(source, KM_USER0); + + /* + * Now that the frozen data is saved off, we need to store + * any matching triggers. + */ + jh->b_frozen_triggers = jh->b_triggers; } jbd_unlock_bh_state(bh); @@ -944,6 +950,47 @@ out: } /** + * void jbd2_journal_set_triggers() - Add triggers for commit writeout + * @bh: buffer to trigger on + * @type: struct jbd2_buffer_trigger_type containing the trigger(s). + * + * Set any triggers on this journal_head. This is always safe, because + * triggers for a committing buffer will be saved off, and triggers for + * a running transaction will match the buffer in that transaction. + * + * Call with NULL to clear the triggers. + */ +void jbd2_journal_set_triggers(struct buffer_head *bh, + struct jbd2_buffer_trigger_type *type) +{ + struct journal_head *jh = bh2jh(bh); + + jh->b_triggers = type; +} + +void jbd2_buffer_commit_trigger(struct journal_head *jh, void *mapped_data, + struct jbd2_buffer_trigger_type *triggers) +{ + struct buffer_head *bh = jh2bh(jh); + + if (!triggers || !triggers->t_commit) + return; + + triggers->t_commit(triggers, bh, mapped_data, bh->b_size); +} + +void jbd2_buffer_abort_trigger(struct journal_head *jh, + struct jbd2_buffer_trigger_type *triggers) +{ + if (!triggers || !triggers->t_abort) + return; + + triggers->t_abort(triggers, jh2bh(jh)); +} + + + +/** * int jbd2_journal_dirty_metadata() - mark a buffer as containing dirty metadata * @handle: transaction to add buffer to. * @bh: buffer to mark diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index f366457..3445647 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1008,6 +1008,35 @@ int __jbd2_journal_clean_checkpoint_list(journal_t *journal); int __jbd2_journal_remove_checkpoint(struct journal_head *); void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *); + +/* + * Triggers + */ + +struct jbd2_buffer_trigger_type { + /* + * Fired just before a buffer is written to the journal. + * mapped_data is a mapped buffer that is the frozen data for + * commit. + */ + void (*t_commit)(struct jbd2_buffer_trigger_type *type, + struct buffer_head *bh, void *mapped_data, + size_t size); + + /* + * Fired during journal abort for dirty buffers that will not be + * committed. + */ + void (*t_abort)(struct jbd2_buffer_trigger_type *type, + struct buffer_head *bh); +}; + +extern void jbd2_buffer_commit_trigger(struct journal_head *jh, + void *mapped_data, + struct jbd2_buffer_trigger_type *triggers); +extern void jbd2_buffer_abort_trigger(struct journal_head *jh, + struct jbd2_buffer_trigger_type *triggers); + /* Buffer IO */ extern int jbd2_journal_write_metadata_buffer(transaction_t *transaction, @@ -1046,6 +1075,8 @@ extern int jbd2_journal_extend (handle_t *, int nblocks); extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *); extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *); extern int jbd2_journal_get_undo_access(handle_t *, struct buffer_head *); +void jbd2_journal_set_triggers(struct buffer_head *, + struct jbd2_buffer_trigger_type *type); extern int jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *); extern void jbd2_journal_release_buffer (handle_t *, struct buffer_head *); extern int jbd2_journal_forget (handle_t *, struct buffer_head *); diff --git a/include/linux/journal-head.h b/include/linux/journal-head.h index bb70ebb..525aac3 100644 --- a/include/linux/journal-head.h +++ b/include/linux/journal-head.h @@ -12,6 +12,8 @@ typedef unsigned int tid_t; /* Unique transaction ID */ typedef struct transaction_s transaction_t; /* Compound transaction type */ + + struct buffer_head; struct journal_head { @@ -87,6 +89,12 @@ struct journal_head { * [j_list_lock] */ struct journal_head *b_cpnext, *b_cpprev; + + /* Trigger type */ + struct jbd2_buffer_trigger_type *b_triggers; + + /* Trigger type for the committing transaction's frozen data */ + struct jbd2_buffer_trigger_type *b_frozen_triggers; }; #endif /* JOURNAL_HEAD_H_INCLUDED */ -- cgit v0.10.2 From ab552d54673f262d7f70014003d3928d29270f22 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 16 Oct 2008 17:50:30 -0700 Subject: ocfs2: Add the on-disk structures for metadata checksums. Define struct ocfs2_block_check, an 8-byte structure containing a 32bit crc32_le and a 16bit hamming code ecc. This will be used for metadata checksums. Add the structure to free spaces in the various metadata structures. Add the OCFS2_FEATURE_INCOMPAT_META_ECC bit. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 359732e..290fa26 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -149,6 +149,9 @@ /* Support for extended attributes */ #define OCFS2_FEATURE_INCOMPAT_XATTR 0x0200 +/* Metadata checksum and error correction */ +#define OCFS2_FEATURE_INCOMPAT_META_ECC 0x0800 + /* * backup superblock flag is used to indicate that this volume * has backup superblocks. @@ -427,6 +430,22 @@ static unsigned char ocfs2_type_by_mode[S_IFMT >> S_SHIFT] = { #define OCFS2_RAW_SB(dinode) (&((dinode)->id2.i_super)) /* + * Block checking structure. This is used in metadata to validate the + * contents. If OCFS2_FEATURE_INCOMPAT_META_ECC is not set, it is all + * zeros. + */ +struct ocfs2_block_check { +/*00*/ __le32 bc_crc32e; /* 802.3 Ethernet II CRC32 */ + __le16 bc_ecc; /* Single-error-correction parity vector. + This is a simple Hamming code dependant + on the blocksize. OCFS2's maximum + blocksize, 4K, requires 16 parity bits, + so we fit in __le16. */ + __le16 bc_reserved1; +/*08*/ +}; + +/* * On disk extent record for OCFS2 * It describes a range of clusters on disk. * @@ -513,7 +532,7 @@ struct ocfs2_truncate_log { struct ocfs2_extent_block { /*00*/ __u8 h_signature[8]; /* Signature for verification */ - __le64 h_reserved1; + struct ocfs2_block_check h_check; /* Error checking */ /*10*/ __le16 h_suballoc_slot; /* Slot suballocator this extent_header belongs to */ __le16 h_suballoc_bit; /* Bit offset in suballocator @@ -683,7 +702,8 @@ struct ocfs2_dinode { was set in i_flags */ __le16 i_dyn_features; __le64 i_xattr_loc; -/*80*/ __le64 i_reserved2[7]; +/*80*/ struct ocfs2_block_check i_check; /* Error checking */ +/*88*/ __le64 i_reserved2[6]; /*B8*/ union { __le64 i_pad1; /* Generic way to refer to this 64bit union */ @@ -750,7 +770,8 @@ struct ocfs2_group_desc /*20*/ __le64 bg_parent_dinode; /* dinode which owns me, in blocks */ __le64 bg_blkno; /* Offset on disk, in blocks */ -/*30*/ __le64 bg_reserved2[2]; +/*30*/ struct ocfs2_block_check bg_check; /* Error checking */ + __le64 bg_reserved2; /*40*/ __u8 bg_bitmap[0]; }; @@ -793,7 +814,12 @@ struct ocfs2_xattr_header { in this extent record, only valid in the first bucket. */ - __le64 xh_csum; + struct ocfs2_block_check xh_check; /* Error checking + (Note, this is only + used for xattr + buckets. A block uses + xb_check and sets + this field to zero.) */ struct ocfs2_xattr_entry xh_entries[0]; /* xattr entry list. */ }; @@ -844,7 +870,7 @@ struct ocfs2_xattr_block { block group */ __le32 xb_fs_generation; /* Must match super block */ /*10*/ __le64 xb_blkno; /* Offset on disk, in blocks */ - __le64 xb_csum; + struct ocfs2_block_check xb_check; /* Error checking */ /*20*/ __le16 xb_flags; /* Indicates whether this block contains real xattr or a xattr tree. */ __le16 xb_reserved0; @@ -988,6 +1014,25 @@ struct ocfs2_local_disk_dqblk { /*10*/ __le64 dqb_inodemod; /* Change in the amount of used inodes */ }; + +/* + * The quota trailer lives at the end of each quota block. + */ + +struct ocfs2_disk_dqtrailer { +/*00*/ struct ocfs2_block_check dq_check; /* Error checking */ +/*08*/ /* Cannot be larger than OCFS2_QBLK_RESERVED_SPACE */ +}; + +static inline struct ocfs2_disk_dqtrailer *ocfs2_block_dqtrailer(int blocksize, + void *buf) +{ + char *ptr = buf; + ptr += blocksize - OCFS2_QBLK_RESERVED_SPACE; + + return (struct ocfs2_disk_dqtrailer *)ptr; +} + #ifdef __KERNEL__ static inline int ocfs2_fast_symlink_chars(struct super_block *sb) { -- cgit v0.10.2 From 70ad1ba7b48364d758a112df0823edc5ca6632aa Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 16 Oct 2008 17:54:25 -0700 Subject: ocfs2: Add the underlying blockcheck code. This is the code that computes crc32 and ecc for ocfs2 metadata blocks. There are high-level functions that check whether the filesystem has the ecc feature, mid-level functions that work on a single block or array of buffer_heads, and the low-level ecc hamming code that can handle multiple buffers like crc32_le(). It's not hooked up to the filesystem yet. Signed-off-by: Joel Becker Cc: Christoph Hellwig Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile index 7e4b361..0159607 100644 --- a/fs/ocfs2/Makefile +++ b/fs/ocfs2/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_OCFS2_FS_USERSPACE_CLUSTER) += ocfs2_stack_user.o ocfs2-objs := \ alloc.o \ aops.o \ + blockcheck.o \ buffer_head_io.o \ dcache.o \ dir.o \ diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c new file mode 100644 index 0000000..2bf3d7f --- /dev/null +++ b/fs/ocfs2/blockcheck.c @@ -0,0 +1,480 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * blockcheck.c + * + * Checksum and ECC codes for the OCFS2 userspace library. + * + * Copyright (C) 2006, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include + +#include "ocfs2.h" + +#include "blockcheck.h" + + + +/* + * We use the following conventions: + * + * d = # data bits + * p = # parity bits + * c = # total code bits (d + p) + */ +static int calc_parity_bits(unsigned int d) +{ + unsigned int p; + + /* + * Bits required for Single Error Correction is as follows: + * + * d + p + 1 <= 2^p + * + * We're restricting ourselves to 31 bits of parity, that should be + * sufficient. + */ + for (p = 1; p < 32; p++) + { + if ((d + p + 1) <= (1 << p)) + return p; + } + + return 0; +} + +/* + * Calculate the bit offset in the hamming code buffer based on the bit's + * offset in the data buffer. Since the hamming code reserves all + * power-of-two bits for parity, the data bit number and the code bit + * number are offest by all the parity bits beforehand. + * + * Recall that bit numbers in hamming code are 1-based. This function + * takes the 0-based data bit from the caller. + * + * An example. Take bit 1 of the data buffer. 1 is a power of two (2^0), + * so it's a parity bit. 2 is a power of two (2^1), so it's a parity bit. + * 3 is not a power of two. So bit 1 of the data buffer ends up as bit 3 + * in the code buffer. + */ +static unsigned int calc_code_bit(unsigned int i) +{ + unsigned int b, p; + + /* + * Data bits are 0-based, but we're talking code bits, which + * are 1-based. + */ + b = i + 1; + + /* + * For every power of two below our bit number, bump our bit. + * + * We compare with (b + 1) becuase we have to compare with what b + * would be _if_ it were bumped up by the parity bit. Capice? + */ + for (p = 0; (1 << p) < (b + 1); p++) + b++; + + return b; +} + +/* + * This is the low level encoder function. It can be called across + * multiple hunks just like the crc32 code. 'd' is the number of bits + * _in_this_hunk_. nr is the bit offset of this hunk. So, if you had + * two 512B buffers, you would do it like so: + * + * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0); + * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8); + * + * If you just have one buffer, use ocfs2_hamming_encode_block(). + */ +u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr) +{ + unsigned int p = calc_parity_bits(nr + d); + unsigned int i, j, b; + + BUG_ON(!p); + + /* + * b is the hamming code bit number. Hamming code specifies a + * 1-based array, but C uses 0-based. So 'i' is for C, and 'b' is + * for the algorithm. + * + * The i++ in the for loop is so that the start offset passed + * to ocfs2_find_next_bit_set() is one greater than the previously + * found bit. + */ + for (i = 0; (i = ocfs2_find_next_bit(data, d, i)) < d; i++) + { + /* + * i is the offset in this hunk, nr + i is the total bit + * offset. + */ + b = calc_code_bit(nr + i); + + for (j = 0; j < p; j++) + { + /* + * Data bits in the resultant code are checked by + * parity bits that are part of the bit number + * representation. Huh? + * + * + * In other words, the parity bit at position 2^k + * checks bits in positions having bit k set in + * their binary representation. Conversely, for + * instance, bit 13, i.e. 1101(2), is checked by + * bits 1000(2) = 8, 0100(2)=4 and 0001(2) = 1. + * + * + * Note that 'k' is the _code_ bit number. 'b' in + * our loop. + */ + if (b & (1 << j)) + parity ^= (1 << j); + } + } + + /* While the data buffer was treated as little endian, the + * return value is in host endian. */ + return parity; +} + +u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize) +{ + return ocfs2_hamming_encode(0, data, blocksize * 8, 0); +} + +/* + * Like ocfs2_hamming_encode(), this can handle hunks. nr is the bit + * offset of the current hunk. If bit to be fixed is not part of the + * current hunk, this does nothing. + * + * If you only have one hunk, use ocfs2_hamming_fix_block(). + */ +void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, + unsigned int fix) +{ + unsigned int p = calc_parity_bits(nr + d); + unsigned int i, b; + + BUG_ON(!p); + + /* + * If the bit to fix has an hweight of 1, it's a parity bit. One + * busted parity bit is its own error. Nothing to do here. + */ + if (hweight32(fix) == 1) + return; + + /* + * nr + d is the bit right past the data hunk we're looking at. + * If fix after that, nothing to do + */ + if (fix >= calc_code_bit(nr + d)) + return; + + /* + * nr is the offset in the data hunk we're starting at. Let's + * start b at the offset in the code buffer. See hamming_encode() + * for a more detailed description of 'b'. + */ + b = calc_code_bit(nr); + /* If the fix is before this hunk, nothing to do */ + if (fix < b) + return; + + for (i = 0; i < d; i++, b++) + { + /* Skip past parity bits */ + while (hweight32(b) == 1) + b++; + + /* + * i is the offset in this data hunk. + * nr + i is the offset in the total data buffer. + * b is the offset in the total code buffer. + * + * Thus, when b == fix, bit i in the current hunk needs + * fixing. + */ + if (b == fix) + { + if (ocfs2_test_bit(i, data)) + ocfs2_clear_bit(i, data); + else + ocfs2_set_bit(i, data); + break; + } + } +} + +void ocfs2_hamming_fix_block(void *data, unsigned int blocksize, + unsigned int fix) +{ + ocfs2_hamming_fix(data, blocksize * 8, 0, fix); +} + +/* + * This function generates check information for a block. + * data is the block to be checked. bc is a pointer to the + * ocfs2_block_check structure describing the crc32 and the ecc. + * + * bc should be a pointer inside data, as the function will + * take care of zeroing it before calculating the check information. If + * bc does not point inside data, the caller must make sure any inline + * ocfs2_block_check structures are zeroed. + * + * The data buffer must be in on-disk endian (little endian for ocfs2). + * bc will be filled with little-endian values and will be ready to go to + * disk. + */ +void ocfs2_block_check_compute(void *data, size_t blocksize, + struct ocfs2_block_check *bc) +{ + u32 crc; + u32 ecc; + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + crc = crc32_le(~0, data, blocksize); + ecc = ocfs2_hamming_encode_block(data, blocksize); + + /* + * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no + * larger than 16 bits. + */ + BUG_ON(ecc > USHORT_MAX); + + bc->bc_crc32e = cpu_to_le32(crc); + bc->bc_ecc = cpu_to_le16((u16)ecc); +} + +/* + * This function validates existing check information. Like _compute, + * the function will take care of zeroing bc before calculating check codes. + * If bc is not a pointer inside data, the caller must have zeroed any + * inline ocfs2_block_check structures. + * + * Again, the data passed in should be the on-disk endian. + */ +int ocfs2_block_check_validate(void *data, size_t blocksize, + struct ocfs2_block_check *bc) +{ + int rc = 0; + struct ocfs2_block_check check; + u32 crc, ecc; + + check.bc_crc32e = le32_to_cpu(bc->bc_crc32e); + check.bc_ecc = le16_to_cpu(bc->bc_ecc); + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + /* Fast path - if the crc32 validates, we're good to go */ + crc = crc32_le(~0, data, blocksize); + if (crc == check.bc_crc32e) + goto out; + + /* Ok, try ECC fixups */ + ecc = ocfs2_hamming_encode_block(data, blocksize); + ocfs2_hamming_fix_block(data, blocksize, ecc ^ check.bc_ecc); + + /* And check the crc32 again */ + crc = crc32_le(~0, data, blocksize); + if (crc == check.bc_crc32e) + goto out; + + rc = -EIO; + +out: + bc->bc_crc32e = cpu_to_le32(check.bc_crc32e); + bc->bc_ecc = cpu_to_le16(check.bc_ecc); + + return rc; +} + +/* + * This function generates check information for a list of buffer_heads. + * bhs is the blocks to be checked. bc is a pointer to the + * ocfs2_block_check structure describing the crc32 and the ecc. + * + * bc should be a pointer inside data, as the function will + * take care of zeroing it before calculating the check information. If + * bc does not point inside data, the caller must make sure any inline + * ocfs2_block_check structures are zeroed. + * + * The data buffer must be in on-disk endian (little endian for ocfs2). + * bc will be filled with little-endian values and will be ready to go to + * disk. + */ +void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int i; + u32 crc, ecc; + + BUG_ON(nr < 0); + + if (!nr) + return; + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + for (i = 0, crc = ~0, ecc = 0; i < nr; i++) { + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + /* + * The number of bits in a buffer is obviously b_size*8. + * The offset of this buffer is b_size*i, so the bit offset + * of this buffer is b_size*8*i. + */ + ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data, + bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i); + } + + /* + * No ecc'd ocfs2 structure is larger than 4K, so ecc will be no + * larger than 16 bits. + */ + BUG_ON(ecc > USHORT_MAX); + + bc->bc_crc32e = cpu_to_le32(crc); + bc->bc_ecc = cpu_to_le16((u16)ecc); +} + +/* + * This function validates existing check information on a list of + * buffer_heads. Like _compute_bhs, the function will take care of + * zeroing bc before calculating check codes. If bc is not a pointer + * inside data, the caller must have zeroed any inline + * ocfs2_block_check structures. + * + * Again, the data passed in should be the on-disk endian. + */ +int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int i, rc = 0; + struct ocfs2_block_check check; + u32 crc, ecc, fix; + + BUG_ON(nr < 0); + + if (!nr) + return 0; + + check.bc_crc32e = le32_to_cpu(bc->bc_crc32e); + check.bc_ecc = le16_to_cpu(bc->bc_ecc); + + memset(bc, 0, sizeof(struct ocfs2_block_check)); + + /* Fast path - if the crc32 validates, we're good to go */ + for (i = 0, crc = ~0; i < nr; i++) + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, + "CRC32 failed: stored: %u, computed %u. Applying ECC.\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + /* Ok, try ECC fixups */ + for (i = 0, ecc = 0; i < nr; i++) { + /* + * The number of bits in a buffer is obviously b_size*8. + * The offset of this buffer is b_size*i, so the bit offset + * of this buffer is b_size*8*i. + */ + ecc = (u16)ocfs2_hamming_encode(ecc, bhs[i]->b_data, + bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i); + } + fix = ecc ^ check.bc_ecc; + for (i = 0; i < nr; i++) { + /* + * Try the fix against each buffer. It will only affect + * one of them. + */ + ocfs2_hamming_fix(bhs[i]->b_data, bhs[i]->b_size * 8, + bhs[i]->b_size * 8 * i, fix); + } + + /* And check the crc32 again */ + for (i = 0, crc = ~0; i < nr; i++) + crc = crc32_le(crc, bhs[i]->b_data, bhs[i]->b_size); + if (crc == check.bc_crc32e) + goto out; + + mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + + rc = -EIO; + +out: + bc->bc_crc32e = cpu_to_le32(check.bc_crc32e); + bc->bc_ecc = cpu_to_le16(check.bc_ecc); + + return rc; +} + +/* + * These are the main API. They check the superblock flag before + * calling the underlying operations. + * + * They expect the buffer(s) to be in disk format. + */ +void ocfs2_compute_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc) +{ + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + ocfs2_block_check_compute(data, sb->s_blocksize, bc); +} + +int ocfs2_validate_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc) +{ + int rc = 0; + + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + rc = ocfs2_block_check_validate(data, sb->s_blocksize, bc); + + return rc; +} + +void ocfs2_compute_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + ocfs2_block_check_compute_bhs(bhs, nr, bc); +} + +int ocfs2_validate_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc) +{ + int rc = 0; + + if (ocfs2_meta_ecc(OCFS2_SB(sb))) + rc = ocfs2_block_check_validate_bhs(bhs, nr, bc); + + return rc; +} + diff --git a/fs/ocfs2/blockcheck.h b/fs/ocfs2/blockcheck.h new file mode 100644 index 0000000..70ec3fe --- /dev/null +++ b/fs/ocfs2/blockcheck.h @@ -0,0 +1,82 @@ +/* -*- mode: c; c-basic-offset: 8; -*- + * vim: noexpandtab sw=8 ts=8 sts=0: + * + * blockcheck.h + * + * Checksum and ECC codes for the OCFS2 userspace library. + * + * Copyright (C) 2004, 2008 Oracle. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License, version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#ifndef OCFS2_BLOCKCHECK_H +#define OCFS2_BLOCKCHECK_H + + +/* High level block API */ +void ocfs2_compute_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc); +int ocfs2_validate_meta_ecc(struct super_block *sb, void *data, + struct ocfs2_block_check *bc); +void ocfs2_compute_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); +int ocfs2_validate_meta_ecc_bhs(struct super_block *sb, + struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); + +/* Lower level API */ +void ocfs2_block_check_compute(void *data, size_t blocksize, + struct ocfs2_block_check *bc); +int ocfs2_block_check_validate(void *data, size_t blocksize, + struct ocfs2_block_check *bc); +void ocfs2_block_check_compute_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); +int ocfs2_block_check_validate_bhs(struct buffer_head **bhs, int nr, + struct ocfs2_block_check *bc); + +/* + * Hamming code functions + */ + +/* + * Encoding hamming code parity bits for a buffer. + * + * This is the low level encoder function. It can be called across + * multiple hunks just like the crc32 code. 'd' is the number of bits + * _in_this_hunk_. nr is the bit offset of this hunk. So, if you had + * two 512B buffers, you would do it like so: + * + * parity = ocfs2_hamming_encode(0, buf1, 512 * 8, 0); + * parity = ocfs2_hamming_encode(parity, buf2, 512 * 8, 512 * 8); + * + * If you just have one buffer, use ocfs2_hamming_encode_block(). + */ +u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, + unsigned int nr); +/* + * Fix a buffer with a bit error. The 'fix' is the original parity + * xor'd with the parity calculated now. + * + * Like ocfs2_hamming_encode(), this can handle hunks. nr is the bit + * offset of the current hunk. If bit to be fixed is not part of the + * current hunk, this does nothing. + * + * If you only have one buffer, use ocfs2_hamming_fix_block(). + */ +void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, + unsigned int fix); + +/* Convenience wrappers for a single buffer of data */ +extern u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize); +extern void ocfs2_hamming_fix_block(void *data, unsigned int blocksize, + unsigned int fix); +#endif diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 5c77798..2bb389f 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -382,6 +382,13 @@ static inline int ocfs2_supports_xattr(struct ocfs2_super *osb) return 0; } +static inline int ocfs2_meta_ecc(struct ocfs2_super *osb) +{ + if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_META_ECC) + return 1; + return 0; +} + /* set / clear functions because cluster events can make these happen * in parallel so we want the transitions to be atomic. this also * means that any future flags osb_flags must be protected by spinlock @@ -615,5 +622,6 @@ static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb) #define ocfs2_clear_bit ext2_clear_bit #define ocfs2_test_bit ext2_test_bit #define ocfs2_find_next_zero_bit ext2_find_next_zero_bit +#define ocfs2_find_next_bit ext2_find_next_bit #endif /* OCFS2_H */ -- cgit v0.10.2 From 684ef278377725d505aa23259ee673dab9b11851 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 2 Dec 2008 17:44:05 -0800 Subject: ocfs2: Add a validation hook for quota block reads. Add a currently-returns-success hook for quota block reads. We'll be adding checks to this. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index a10faebe..7dbcfd7 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -87,13 +87,25 @@ struct qtree_fmt_operations ocfs2_global_ops = { .is_id = ocfs2_global_is_id, }; +static int ocfs2_validate_quota_block(struct super_block *sb, + struct buffer_head *bh) +{ + struct ocfs2_disk_dqtrailer *dqt = ocfs2_dq_trailer(sb, bh->b_data); + + mlog(0, "Validating quota block %llu\n", + (unsigned long long)bh->b_blocknr); + + return 0; +} + int ocfs2_read_quota_block(struct inode *inode, u64 v_block, struct buffer_head **bh) { int rc = 0; struct buffer_head *tmp = *bh; - rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, NULL); + rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, 0, + ocfs2_validate_quota_block); if (rc) mlog_errno(rc); -- cgit v0.10.2 From d6b32bbb3eae3fb787f1c33bf9f767ca1ddeb208 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 17 Oct 2008 14:55:01 -0700 Subject: ocfs2: block read meta ecc. Add block check calls to the read_block validate functions. This is the almost all of the read-side checking of metaecc. xattr buckets are not checked yet. Writes are also unchecked, and so a read-write mount will quickly fail. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 84a7bd4..6b27f74 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -37,6 +37,7 @@ #include "alloc.h" #include "aops.h" +#include "blockcheck.h" #include "dlmglue.h" #include "extent_map.h" #include "inode.h" @@ -682,12 +683,28 @@ struct ocfs2_merge_ctxt { static int ocfs2_validate_extent_block(struct super_block *sb, struct buffer_head *bh) { + int rc; struct ocfs2_extent_block *eb = (struct ocfs2_extent_block *)bh->b_data; mlog(0, "Validating extent block %llu\n", (unsigned long long)bh->b_blocknr); + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check); + if (rc) + return rc; + + /* + * Errors after here are fatal. + */ + if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { ocfs2_error(sb, "Extent block #%llu has bad signature %.*s", diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c index 2bf3d7f..2ce6ae5 100644 --- a/fs/ocfs2/blockcheck.c +++ b/fs/ocfs2/blockcheck.c @@ -24,6 +24,8 @@ #include #include +#include + #include "ocfs2.h" #include "blockcheck.h" @@ -292,6 +294,10 @@ int ocfs2_block_check_validate(void *data, size_t blocksize, if (crc == check.bc_crc32e) goto out; + mlog(ML_ERROR, + "CRC32 failed: stored: %u, computed %u. Applying ECC.\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + /* Ok, try ECC fixups */ ecc = ocfs2_hamming_encode_block(data, blocksize); ocfs2_hamming_fix_block(data, blocksize, ecc ^ check.bc_ecc); @@ -301,6 +307,9 @@ int ocfs2_block_check_validate(void *data, size_t blocksize, if (crc == check.bc_crc32e) goto out; + mlog(ML_ERROR, "Fixed CRC32 failed: stored: %u, computed %u\n", + (unsigned int)check.bc_crc32e, (unsigned int)crc); + rc = -EIO; out: diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 288512c..9370b65 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -38,6 +38,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "extent_map.h" #include "file.h" @@ -1262,7 +1263,7 @@ void ocfs2_refresh_inode(struct inode *inode, int ocfs2_validate_inode_block(struct super_block *sb, struct buffer_head *bh) { - int rc = -EINVAL; + int rc; struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; mlog(0, "Validating dinode %llu\n", @@ -1270,6 +1271,21 @@ int ocfs2_validate_inode_block(struct super_block *sb, BUG_ON(!buffer_uptodate(bh)); + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check); + if (rc) + goto bail; + + /* + * Errors after here are fatal. + */ + + rc = -EINVAL; + if (!OCFS2_IS_VALID_DINODE(di)) { ocfs2_error(sb, "Invalid dinode #%llu: signature = %.*s\n", (unsigned long long)bh->b_blocknr, 7, diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 7dbcfd7..a0b8b14 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -16,6 +16,7 @@ #include "ocfs2_fs.h" #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "inode.h" #include "journal.h" #include "file.h" @@ -90,12 +91,20 @@ struct qtree_fmt_operations ocfs2_global_ops = { static int ocfs2_validate_quota_block(struct super_block *sb, struct buffer_head *bh) { - struct ocfs2_disk_dqtrailer *dqt = ocfs2_dq_trailer(sb, bh->b_data); + struct ocfs2_disk_dqtrailer *dqt = + ocfs2_block_dqtrailer(sb->s_blocksize, bh->b_data); mlog(0, "Validating quota block %llu\n", (unsigned long long)bh->b_blocknr); - return 0; + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + return ocfs2_validate_meta_ecc(sb, bh->b_data, &dqt->dq_check); } int ocfs2_read_quota_block(struct inode *inode, u64 v_block, diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 226fe21..7875576 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -35,6 +35,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "inode.h" #include "journal.h" @@ -250,8 +251,18 @@ int ocfs2_check_group_descriptor(struct super_block *sb, struct buffer_head *bh) { int rc; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + + BUG_ON(!buffer_uptodate(bh)); - rc = ocfs2_validate_gd_self(sb, bh, 1); + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check); + if (!rc) + rc = ocfs2_validate_gd_self(sb, bh, 1); if (!rc) rc = ocfs2_validate_gd_parent(sb, di, bh, 1); @@ -261,9 +272,27 @@ int ocfs2_check_group_descriptor(struct super_block *sb, static int ocfs2_validate_group_descriptor(struct super_block *sb, struct buffer_head *bh) { + int rc; + struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; + mlog(0, "Validating group descriptor %llu\n", (unsigned long long)bh->b_blocknr); + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check); + if (rc) + return rc; + + /* + * Errors after here are fatal. + */ + return ocfs2_validate_gd_self(sb, bh, 0); } diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index dfc51c3..bc822d6 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -42,6 +42,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "file.h" #include "symlink.h" @@ -322,12 +323,28 @@ static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest, static int ocfs2_validate_xattr_block(struct super_block *sb, struct buffer_head *bh) { + int rc; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)bh->b_data; mlog(0, "Validating xattr block %llu\n", (unsigned long long)bh->b_blocknr); + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &xb->xb_check); + if (rc) + return rc; + + /* + * Errors after here are fatal + */ + if (!OCFS2_IS_VALID_XATTR_BLOCK(xb)) { ocfs2_error(sb, "Extended attribute block #%llu has bad " -- cgit v0.10.2 From 50655ae9e91d272d48997bada59efe166aa5e343 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 11 Sep 2008 15:53:07 -0700 Subject: ocfs2: Add journal_access functions with jbd2 triggers. We create wrappers for ocfs2_journal_access() that are specific to the type of metadata block. This allows us to associate jbd2 commit triggers with the block. The triggers will compute metadata ecc in a future commit. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 302f114..2daa584 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -35,6 +35,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dir.h" #include "dlmglue.h" #include "extent_map.h" @@ -369,10 +370,110 @@ bail: return status; } -int ocfs2_journal_access(handle_t *handle, - struct inode *inode, - struct buffer_head *bh, - int type) +struct ocfs2_triggers { + struct jbd2_buffer_trigger_type ot_triggers; + int ot_offset; +}; + +static inline struct ocfs2_triggers *to_ocfs2_trigger(struct jbd2_buffer_trigger_type *triggers) +{ + return container_of(triggers, struct ocfs2_triggers, ot_triggers); +} + +static void ocfs2_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_triggers *ot = to_ocfs2_trigger(triggers); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, data + ot->ot_offset); +} + +/* + * Quota blocks have their own trigger because the struct ocfs2_block_check + * offset depends on the blocksize. + */ +static void ocfs2_dq_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_disk_dqtrailer *dqt = + ocfs2_block_dqtrailer(size, data); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, &dqt->dq_check); +} + +static void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh) +{ + mlog(ML_ERROR, + "ocfs2_abort_trigger called by JBD2. bh = 0x%lx, " + "bh->b_blocknr = %llu\n", + (unsigned long)bh, + (unsigned long long)bh->b_blocknr); + + /* We aren't guaranteed to have the superblock here - but if we + * don't, it'll just crash. */ + ocfs2_error(bh->b_assoc_map->host->i_sb, + "JBD2 has aborted our journal, ocfs2 cannot continue\n"); +} + +static struct ocfs2_triggers di_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_dinode, i_check), +}; + +static struct ocfs2_triggers eb_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_extent_block, h_check), +}; + +static struct ocfs2_triggers gd_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_group_desc, bg_check), +}; + +static struct ocfs2_triggers xb_triggers = { + .ot_triggers = { + .t_commit = ocfs2_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, + .ot_offset = offsetof(struct ocfs2_xattr_block, xb_check), +}; + +static struct ocfs2_triggers dq_triggers = { + .ot_triggers = { + .t_commit = ocfs2_dq_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, +}; + +static int __ocfs2_journal_access(handle_t *handle, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_triggers *triggers, + int type) { int status; @@ -418,6 +519,8 @@ int ocfs2_journal_access(handle_t *handle, status = -EINVAL; mlog(ML_ERROR, "Uknown access type!\n"); } + if (!status && ocfs2_meta_ecc(OCFS2_SB(inode->i_sb)) && triggers) + jbd2_journal_set_triggers(bh, &triggers->ot_triggers); mutex_unlock(&OCFS2_I(inode)->ip_io_mutex); if (status < 0) @@ -428,6 +531,54 @@ int ocfs2_journal_access(handle_t *handle, return status; } +int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &di_triggers, + type); +} + +int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &eb_triggers, + type); +} + +int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &gd_triggers, + type); +} + +int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + /* Right now, nothing for dirblocks */ + return __ocfs2_journal_access(handle, inode, bh, NULL, type); +} + +int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &xb_triggers, + type); +} + +int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, &dq_triggers, + type); +} + +int ocfs2_journal_access(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type) +{ + return __ocfs2_journal_access(handle, inode, bh, NULL, type); +} + int ocfs2_journal_dirty(handle_t *handle, struct buffer_head *bh) { diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 37013bf..bca370d 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -212,9 +212,12 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode) * ocfs2_extend_trans - Extend a handle by nblocks credits. This may * commit the handle to disk in the process, but will * not release any locks taken during the transaction. - * ocfs2_journal_access - Notify the handle that we want to journal this + * ocfs2_journal_access* - Notify the handle that we want to journal this * buffer. Will have to call ocfs2_journal_dirty once * we've actually dirtied it. Type is one of . or . + * Always call the specific flavor of + * ocfs2_journal_access_*() unless you intend to + * manage the checksum by hand. * ocfs2_journal_dirty - Mark a journalled buffer as having dirty data. * ocfs2_jbd2_file_inode - Mark an inode so that its data goes out before * the current handle commits. @@ -244,10 +247,28 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks); #define OCFS2_JOURNAL_ACCESS_WRITE 1 #define OCFS2_JOURNAL_ACCESS_UNDO 2 -int ocfs2_journal_access(handle_t *handle, - struct inode *inode, - struct buffer_head *bh, - int type); +/* ocfs2_inode */ +int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_extent_block */ +int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_group_desc */ +int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* ocfs2_xattr_block */ +int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* quota blocks */ +int ocfs2_journal_access_dq(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* dirblock */ +int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); +/* Anything that has no ecc */ +int ocfs2_journal_access(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); + /* * A word about the journal_access/journal_dirty "dance". It is * entirely legal to journal_access a buffer more than once (as long -- cgit v0.10.2 From ffdd7a54631f07918b75e324d86713a08c11ec06 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 17 Oct 2008 22:32:01 -0700 Subject: ocfs2: Wrap up the common use cases of ocfs2_new_path(). The majority of ocfs2_new_path() calls are: ocfs2_new_path(path_root_bh(otherpath), path_root_el(otherpath)); Let's call that ocfs2_new_path_from_path(). The rest do similar things from struct ocfs2_extent_tree. Let's call those ocfs2_new_path_from_et(). This will make the next change easier. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 6b27f74..c22ff49 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -532,6 +532,16 @@ static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, return path; } +static struct ocfs2_path *ocfs2_new_path_from_path(struct ocfs2_path *path) +{ + return ocfs2_new_path(path_root_bh(path), path_root_el(path)); +} + +static struct ocfs2_path *ocfs2_new_path_from_et(struct ocfs2_extent_tree *et) +{ + return ocfs2_new_path(et->et_root_bh, et->et_root_el); +} + /* * Convenience function to journal all components in a path. */ @@ -2150,8 +2160,7 @@ static int ocfs2_rotate_tree_right(struct inode *inode, *ret_left_path = NULL; - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2692,8 +2701,7 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, goto out; } - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2702,8 +2710,7 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, ocfs2_cp_path(left_path, path); - right_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + right_path = ocfs2_new_path_from_path(path); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -2833,8 +2840,7 @@ static int ocfs2_remove_rightmost_path(struct inode *inode, handle_t *handle, * We have a path to the left of this one - it needs * an update too. */ - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3075,8 +3081,7 @@ static int ocfs2_get_right_path(struct inode *inode, /* This function shouldn't be called for the rightmost leaf. */ BUG_ON(right_cpos == 0); - right_path = ocfs2_new_path(path_root_bh(left_path), - path_root_el(left_path)); + right_path = ocfs2_new_path_from_path(left_path); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3247,8 +3252,7 @@ static int ocfs2_get_left_path(struct inode *inode, /* This function shouldn't be called for the leftmost leaf. */ BUG_ON(left_cpos == 0); - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -3780,8 +3784,7 @@ static int ocfs2_append_rec_to_path(struct inode *inode, handle_t *handle, * leftmost leaf. */ if (left_cpos) { - left_path = ocfs2_new_path(path_root_bh(right_path), - path_root_el(right_path)); + left_path = ocfs2_new_path_from_path(right_path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4018,7 +4021,7 @@ static int ocfs2_do_insert_extent(struct inode *inode, goto out_update_clusters; } - right_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + right_path = ocfs2_new_path_from_et(et); if (!right_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4130,8 +4133,7 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, goto out; if (left_cpos != 0) { - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) goto out; @@ -4187,8 +4189,7 @@ ocfs2_figure_merge_contig_type(struct inode *inode, struct ocfs2_path *path, if (right_cpos == 0) goto out; - right_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + right_path = ocfs2_new_path_from_path(path); if (!right_path) goto out; @@ -4381,7 +4382,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, return 0; } - path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + path = ocfs2_new_path_from_et(et); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -4910,7 +4911,7 @@ int ocfs2_mark_extent_written(struct inode *inode, if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + left_path = ocfs2_new_path_from_et(et); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -5082,8 +5083,7 @@ static int ocfs2_truncate_rec(struct inode *inode, handle_t *handle, } if (left_cpos && le16_to_cpu(el->l_next_free_rec) > 1) { - left_path = ocfs2_new_path(path_root_bh(path), - path_root_el(path)); + left_path = ocfs2_new_path_from_path(path); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -5192,7 +5192,7 @@ int ocfs2_remove_extent(struct inode *inode, ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et->et_root_bh, et->et_root_el); + path = ocfs2_new_path_from_et(et); if (!path) { ret = -ENOMEM; mlog_errno(ret); -- cgit v0.10.2 From 13723d00e374c2a6d6ccb5af6de965e89c3e1b01 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 17 Oct 2008 19:25:01 -0700 Subject: ocfs2: Use metadata-specific ocfs2_journal_access_*() functions. The per-metadata-type ocfs2_journal_access_*() functions hook up jbd2 commit triggers and allow us to compute metadata ecc right before the buffers are written out. This commit provides ecc for inodes, extent blocks, group descriptors, and quota blocks. It is not safe to use extened attributes and metaecc at the same time yet. The ocfs2_extent_tree and ocfs2_path abstractions in alloc.c both hide the type of block at their root. Before, it didn't matter, but now the root block must use the appropriate ocfs2_journal_access_*() function. To keep this abstract, the structures now have a pointer to the matching journal_access function and a wrapper call to call it. A few places use naked ocfs2_write_block() calls instead of adding the blocks to the journal. We make sure to calculate their checksum and ecc before the write. Since we pass around the journal_access functions. Let's typedef them in ocfs2.h. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index c22ff49..6e58fd5 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -298,11 +298,13 @@ static struct ocfs2_extent_tree_operations ocfs2_xattr_tree_et_ops = { static void __ocfs2_init_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh, + ocfs2_journal_access_func access, void *obj, struct ocfs2_extent_tree_operations *ops) { et->et_ops = ops; et->et_root_bh = bh; + et->et_root_journal_access = access; if (!obj) obj = (void *)bh->b_data; et->et_object = obj; @@ -318,15 +320,16 @@ void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh) { - __ocfs2_init_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_di, + NULL, &ocfs2_dinode_et_ops); } void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh) { - __ocfs2_init_extent_tree(et, inode, bh, NULL, - &ocfs2_xattr_tree_et_ops); + __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access_xb, + NULL, &ocfs2_xattr_tree_et_ops); } void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, @@ -334,7 +337,7 @@ void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct buffer_head *bh, struct ocfs2_xattr_value_root *xv) { - __ocfs2_init_extent_tree(et, inode, bh, xv, + __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access, xv, &ocfs2_xattr_value_et_ops); } @@ -356,6 +359,15 @@ static inline void ocfs2_et_update_clusters(struct inode *inode, et->et_ops->eo_update_clusters(inode, et, clusters); } +static inline int ocfs2_et_root_journal_access(handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + int type) +{ + return et->et_root_journal_access(handle, inode, et->et_root_bh, + type); +} + static inline int ocfs2_et_insert_check(struct inode *inode, struct ocfs2_extent_tree *et, struct ocfs2_extent_rec *rec) @@ -396,12 +408,14 @@ struct ocfs2_path_item { #define OCFS2_MAX_PATH_DEPTH 5 struct ocfs2_path { - int p_tree_depth; - struct ocfs2_path_item p_node[OCFS2_MAX_PATH_DEPTH]; + int p_tree_depth; + ocfs2_journal_access_func p_root_access; + struct ocfs2_path_item p_node[OCFS2_MAX_PATH_DEPTH]; }; #define path_root_bh(_path) ((_path)->p_node[0].bh) #define path_root_el(_path) ((_path)->p_node[0].el) +#define path_root_access(_path)((_path)->p_root_access) #define path_leaf_bh(_path) ((_path)->p_node[(_path)->p_tree_depth].bh) #define path_leaf_el(_path) ((_path)->p_node[(_path)->p_tree_depth].el) #define path_num_items(_path) ((_path)->p_tree_depth + 1) @@ -434,6 +448,8 @@ static void ocfs2_reinit_path(struct ocfs2_path *path, int keep_root) */ if (keep_root) depth = le16_to_cpu(path_root_el(path)->l_tree_depth); + else + path_root_access(path) = NULL; path->p_tree_depth = depth; } @@ -459,6 +475,7 @@ static void ocfs2_cp_path(struct ocfs2_path *dest, struct ocfs2_path *src) BUG_ON(path_root_bh(dest) != path_root_bh(src)); BUG_ON(path_root_el(dest) != path_root_el(src)); + BUG_ON(path_root_access(dest) != path_root_access(src)); ocfs2_reinit_path(dest, 1); @@ -480,6 +497,7 @@ static void ocfs2_mv_path(struct ocfs2_path *dest, struct ocfs2_path *src) int i; BUG_ON(path_root_bh(dest) != path_root_bh(src)); + BUG_ON(path_root_access(dest) != path_root_access(src)); for(i = 1; i < OCFS2_MAX_PATH_DEPTH; i++) { brelse(dest->p_node[i].bh); @@ -515,7 +533,8 @@ static inline void ocfs2_path_insert_eb(struct ocfs2_path *path, int index, } static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el) + struct ocfs2_extent_list *root_el, + ocfs2_journal_access_func access) { struct ocfs2_path *path; @@ -527,6 +546,7 @@ static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, get_bh(root_bh); path_root_bh(path) = root_bh; path_root_el(path) = root_el; + path_root_access(path) = access; } return path; @@ -534,12 +554,38 @@ static struct ocfs2_path *ocfs2_new_path(struct buffer_head *root_bh, static struct ocfs2_path *ocfs2_new_path_from_path(struct ocfs2_path *path) { - return ocfs2_new_path(path_root_bh(path), path_root_el(path)); + return ocfs2_new_path(path_root_bh(path), path_root_el(path), + path_root_access(path)); } static struct ocfs2_path *ocfs2_new_path_from_et(struct ocfs2_extent_tree *et) { - return ocfs2_new_path(et->et_root_bh, et->et_root_el); + return ocfs2_new_path(et->et_root_bh, et->et_root_el, + et->et_root_journal_access); +} + +/* + * Journal the buffer at depth idx. All idx>0 are extent_blocks, + * otherwise it's the root_access function. + * + * I don't like the way this function's name looks next to + * ocfs2_journal_access_path(), but I don't have a better one. + */ +static int ocfs2_path_bh_journal_access(handle_t *handle, + struct inode *inode, + struct ocfs2_path *path, + int idx) +{ + ocfs2_journal_access_func access = path_root_access(path); + + if (!access) + access = ocfs2_journal_access; + + if (idx) + access = ocfs2_journal_access_eb; + + return access(handle, inode, path->p_node[idx].bh, + OCFS2_JOURNAL_ACCESS_WRITE); } /* @@ -554,8 +600,7 @@ static int ocfs2_journal_access_path(struct inode *inode, handle_t *handle, goto out; for(i = 0; i < path_num_items(path); i++) { - ret = ocfs2_journal_access(handle, inode, path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, path, i); if (ret < 0) { mlog_errno(ret); goto out; @@ -708,8 +753,11 @@ static int ocfs2_validate_extent_block(struct super_block *sb, * local to this block. */ rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check); - if (rc) + if (rc) { + mlog(ML_ERROR, "Checksum failed for extent block %llu\n", + (unsigned long long)bh->b_blocknr); return rc; + } /* * Errors after here are fatal. @@ -842,8 +890,8 @@ static int ocfs2_create_new_meta_bhs(struct ocfs2_super *osb, } ocfs2_set_new_buffer_uptodate(inode, bhs[i]); - status = ocfs2_journal_access(handle, inode, bhs[i], - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, bhs[i], + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -986,8 +1034,8 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, BUG_ON(!OCFS2_IS_VALID_EXTENT_BLOCK(eb)); eb_el = &eb->h_list; - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -1026,21 +1074,21 @@ static int ocfs2_add_branch(struct ocfs2_super *osb, * journal_dirty erroring as it won't unless we've aborted the * handle (in which case we would never be here) so reserving * the write with journal_access is all we need to do. */ - status = ocfs2_journal_access(handle, inode, *last_eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, *last_eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; } - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; } if (eb_bh) { - status = ocfs2_journal_access(handle, inode, eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1129,8 +1177,8 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, eb_el = &eb->h_list; root_el = et->et_root_el; - status = ocfs2_journal_access(handle, inode, new_eb_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_eb(handle, inode, new_eb_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -1148,8 +1196,8 @@ static int ocfs2_shift_tree_depth(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1918,25 +1966,23 @@ static int ocfs2_rotate_subtree_right(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; } for(i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -2455,9 +2501,9 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, return -EAGAIN; if (le16_to_cpu(right_leaf_el->l_next_free_rec) > 1) { - ret = ocfs2_journal_access(handle, inode, - path_leaf_bh(right_path), - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_eb(handle, inode, + path_leaf_bh(right_path), + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -2474,8 +2520,8 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, * We have to update i_last_eb_blk during the meta * data delete. */ - ret = ocfs2_journal_access(handle, inode, et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -2490,25 +2536,23 @@ static int ocfs2_rotate_subtree_left(struct inode *inode, handle_t *handle, */ BUG_ON(right_has_empty && !del_right_subtree); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; } for(i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -2653,16 +2697,17 @@ out: static int ocfs2_rotate_rightmost_leaf_left(struct inode *inode, handle_t *handle, - struct buffer_head *bh, - struct ocfs2_extent_list *el) + struct ocfs2_path *path) { int ret; + struct buffer_head *bh = path_leaf_bh(path); + struct ocfs2_extent_list *el = path_leaf_el(path); if (!ocfs2_is_empty_extent(&el->l_recs[0])) return 0; - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, path, + path_num_items(path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -2744,9 +2789,8 @@ static int __ocfs2_rotate_tree_left(struct inode *inode, * Caller might still want to make changes to the * tree root, so re-add it to the journal here. */ - ret = ocfs2_journal_access(handle, inode, - path_root_bh(left_path), - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, 0); if (ret) { mlog_errno(ret); goto out; @@ -2929,8 +2973,7 @@ rightmost_no_delete: * it up front. */ ret = ocfs2_rotate_rightmost_leaf_left(inode, handle, - path_leaf_bh(path), - path_leaf_el(path)); + path); if (ret) mlog_errno(ret); goto out; @@ -3164,8 +3207,8 @@ static int ocfs2_merge_rec_right(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; @@ -3173,17 +3216,15 @@ static int ocfs2_merge_rec_right(struct inode *inode, for (i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -3195,8 +3236,8 @@ static int ocfs2_merge_rec_right(struct inode *inode, right_rec = &el->l_recs[index + 1]; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, left_path, + path_num_items(left_path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -3335,8 +3376,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, root_bh = left_path->p_node[subtree_index].bh; BUG_ON(root_bh != right_path->p_node[subtree_index].bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + subtree_index); if (ret) { mlog_errno(ret); goto out; @@ -3344,17 +3385,15 @@ static int ocfs2_merge_rec_left(struct inode *inode, for (i = subtree_index + 1; i < path_num_items(right_path); i++) { - ret = ocfs2_journal_access(handle, inode, - right_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + right_path, i); if (ret) { mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, - left_path->p_node[i].bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, + left_path, i); if (ret) { mlog_errno(ret); goto out; @@ -3366,8 +3405,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, has_empty_extent = 1; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_path_bh_journal_access(handle, inode, left_path, + path_num_items(left_path) - 1); if (ret) { mlog_errno(ret); goto out; @@ -4009,8 +4048,8 @@ static int ocfs2_do_insert_extent(struct inode *inode, el = et->et_root_el; - ret = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -4071,8 +4110,8 @@ static int ocfs2_do_insert_extent(struct inode *inode, * ocfs2_rotate_tree_right() might have extended the * transaction without re-journaling our tree root. */ - ret = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -4593,9 +4632,9 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, BUG_ON(num_bits > clusters_to_add); - /* reserve our write early -- insert_extent may update the inode */ - status = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + /* reserve our write early -- insert_extent may update the tree root */ + status = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -5347,8 +5386,8 @@ int ocfs2_remove_btree_range(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, et->et_root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_et_root_journal_access(handle, inode, et, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -5461,8 +5500,8 @@ int ocfs2_truncate_log_append(struct ocfs2_super *osb, goto bail; } - status = ocfs2_journal_access(handle, tl_inode, tl_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, tl_inode, tl_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -5523,8 +5562,8 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb, while (i >= 0) { /* Caller has given us at least enough credits to * update the truncate log dinode */ - status = ocfs2_journal_access(handle, tl_inode, tl_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, tl_inode, tl_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -5780,6 +5819,7 @@ int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb, * tl_used. */ tl->tl_used = 0; + ocfs2_compute_meta_ecc(osb->sb, tl_bh->b_data, &di->i_check); status = ocfs2_write_block(osb, tl_bh, tl_inode); if (status < 0) { mlog_errno(status); @@ -6546,8 +6586,8 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb, } if (last_eb_bh) { - status = ocfs2_journal_access(handle, inode, last_eb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_eb(handle, inode, last_eb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -6908,8 +6948,8 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, goto out_unlock; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -7043,7 +7083,8 @@ int ocfs2_commit_truncate(struct ocfs2_super *osb, new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb, i_size_read(inode)); - path = ocfs2_new_path(fe_bh, &di->id2.i_list); + path = ocfs2_new_path(fe_bh, &di->id2.i_list, + ocfs2_journal_access_di); if (!path) { status = -ENOMEM; mlog_errno(status); @@ -7276,8 +7317,8 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh, goto out; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 59d37d1..4b6fea2 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -45,7 +45,9 @@ * * ocfs2_extent_tree contains info for the root of the b-tree, it must have a * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree - * functions. + * functions. With metadata ecc, we now call different journal_access + * functions for each type of metadata, so it must have the + * root_journal_access function. * ocfs2_extent_tree_operations abstract the normal operations we do for * the root of extent b-tree. */ @@ -54,6 +56,7 @@ struct ocfs2_extent_tree { struct ocfs2_extent_tree_operations *et_ops; struct buffer_head *et_root_bh; struct ocfs2_extent_list *et_root_el; + ocfs2_journal_access_func et_root_journal_access; void *et_object; unsigned int et_max_leaf_clusters; }; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6b647ec..a067a6c 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1512,8 +1512,8 @@ static int ocfs2_write_begin_inline(struct address_space *mapping, goto out; } - ret = ocfs2_journal_access(handle, inode, wc->w_di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { ocfs2_commit_trans(osb, handle); @@ -1740,8 +1740,8 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, * We don't want this to fail in ocfs2_write_end(), so do it * here. */ - ret = ocfs2_journal_access(handle, inode, wc->w_di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, wc->w_di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_quota; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 3708fe4..45e4e03 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -378,14 +378,18 @@ int ocfs2_update_entry(struct inode *dir, handle_t *handle, struct inode *new_entry_inode) { int ret; + ocfs2_journal_access_func access = ocfs2_journal_access_db; /* * The same code works fine for both inline-data and extent - * based directories, so no need to split this up. + * based directories, so no need to split this up. The only + * difference is the journal_access function. */ - ret = ocfs2_journal_access(handle, dir, de_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + access = ocfs2_journal_access_di; + + ret = access(handle, dir, de_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -407,9 +411,13 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir, { struct ocfs2_dir_entry *de, *pde; int i, status = -ENOENT; + ocfs2_journal_access_func access = ocfs2_journal_access_db; mlog_entry("(0x%p, 0x%p, 0x%p, 0x%p)\n", handle, dir, de_del, bh); + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + access = ocfs2_journal_access_di; + i = 0; pde = NULL; de = (struct ocfs2_dir_entry *) first_de; @@ -420,8 +428,8 @@ static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir, goto bail; } if (de == de_del) { - status = ocfs2_journal_access(handle, dir, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = access(handle, dir, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { status = -EIO; mlog_errno(status); @@ -581,8 +589,14 @@ int __ocfs2_add_entry(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, dir, insert_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + if (insert_bh == parent_fe_bh) + status = ocfs2_journal_access_di(handle, dir, + insert_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + else + status = ocfs2_journal_access_db(handle, dir, + insert_bh, + OCFS2_JOURNAL_ACCESS_WRITE); /* By now the buffer is marked for journaling */ offset += le16_to_cpu(de->rec_len); if (le64_to_cpu(de->inode)) { @@ -1081,8 +1095,8 @@ static int ocfs2_fill_new_dir_id(struct ocfs2_super *osb, struct ocfs2_inline_data *data = &di->id2.i_data; unsigned int size = le16_to_cpu(data->id_count); - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -1129,8 +1143,8 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, ocfs2_set_new_buffer_uptodate(inode, new_bh); - status = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_db(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -1292,8 +1306,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, ocfs2_set_new_buffer_uptodate(dir, dirdata_bh); - ret = ocfs2_journal_access(handle, dir, dirdata_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_db(handle, dir, dirdata_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); goto out_commit; @@ -1319,8 +1333,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * We let the later dirent insert modify c/mtime - to the user * the data hasn't changed. */ - ret = ocfs2_journal_access(handle, dir, di_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_di(handle, dir, di_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret) { mlog_errno(ret); goto out_commit; @@ -1583,8 +1597,8 @@ do_extend: ocfs2_set_new_buffer_uptodate(dir, new_bh); - status = ocfs2_journal_access(handle, dir, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_db(handle, dir, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 9374d37..e8f795f 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -256,8 +256,8 @@ int ocfs2_update_inode_atime(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -353,8 +353,8 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb, goto out; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_commit; @@ -590,8 +590,8 @@ restarted_transaction: /* reserve a write to the file entry early on - that we if we * run out of credits in the allocation path, we can still * update i_size. */ - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1121,8 +1121,8 @@ static int __ocfs2_write_remove_suid(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_trans; diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 9370b65..229e707 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -537,8 +537,8 @@ static int ocfs2_truncate_for_delete(struct ocfs2_super *osb, goto out; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out; @@ -621,8 +621,8 @@ static int ocfs2_remove_inode(struct inode *inode, } /* set the inodes dtime */ - status = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail_commit; @@ -1190,8 +1190,8 @@ int ocfs2_mark_inode_dirty(handle_t *handle, mlog_entry("(inode %llu)\n", (unsigned long long)OCFS2_I(inode)->ip_blkno); - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1277,8 +1277,11 @@ int ocfs2_validate_inode_block(struct super_block *sb, * local to this block. */ rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check); - if (rc) + if (rc) { + mlog(ML_ERROR, "Checksum failed for dinode %llu\n", + (unsigned long long)bh->b_blocknr); goto bail; + } /* * Errors after here are fatal. diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 2daa584..3b54dba 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -752,6 +752,7 @@ static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb, if (replayed) ocfs2_bump_recovery_generation(fe); + ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check); status = ocfs2_write_block(osb, bh, journal->j_inode); if (status < 0) mlog_errno(status); @@ -1486,6 +1487,7 @@ static int ocfs2_replay_journal(struct ocfs2_super *osb, osb->slot_recovery_generations[slot_num] = ocfs2_get_recovery_generation(fe); + ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &fe->i_check); status = ocfs2_write_block(osb, bh, inode); if (status < 0) mlog_errno(status); diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index bca370d..3c3532e 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -247,9 +247,10 @@ int ocfs2_extend_trans(handle_t *handle, int nblocks); #define OCFS2_JOURNAL_ACCESS_WRITE 1 #define OCFS2_JOURNAL_ACCESS_UNDO 2 + /* ocfs2_inode */ int ocfs2_journal_access_di(handle_t *handle, struct inode *inode, - struct buffer_head *bh, int type); + struct buffer_head *bh, int type); /* ocfs2_extent_block */ int ocfs2_journal_access_eb(handle_t *handle, struct inode *inode, struct buffer_head *bh, int type); diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 19cfb1b..ec70cdb 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -36,6 +36,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "inode.h" #include "journal.h" @@ -382,8 +383,8 @@ void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) } memcpy(alloc_copy, alloc, bh->b_size); - status = ocfs2_journal_access(handle, local_alloc_inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_commit; @@ -476,6 +477,7 @@ int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, alloc = (struct ocfs2_dinode *) alloc_bh->b_data; ocfs2_clear_local_alloc(alloc); + ocfs2_compute_meta_ecc(osb->sb, alloc_bh->b_data, &alloc->i_check); status = ocfs2_write_block(osb, alloc_bh, inode); if (status < 0) mlog_errno(status); @@ -762,9 +764,9 @@ int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb, * delete bits from it! */ *num_bits = bits_wanted; - status = ocfs2_journal_access(handle, local_alloc_inode, - osb->local_alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, + osb->local_alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1240,9 +1242,9 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, } memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size); - status = ocfs2_journal_access(handle, local_alloc_inode, - osb->local_alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, local_alloc_inode, + osb->local_alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 6173807..084aba8 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -361,8 +361,8 @@ static int ocfs2_mknod(struct inode *dir, goto leave; } - status = ocfs2_journal_access(handle, dir, parent_fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, dir, parent_fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -493,8 +493,8 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, } ocfs2_set_new_buffer_uptodate(inode, *new_fe_bh); - status = ocfs2_journal_access(handle, inode, *new_fe_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_di(handle, inode, *new_fe_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto leave; @@ -664,8 +664,8 @@ static int ocfs2_link(struct dentry *old_dentry, goto out_unlock_inode; } - err = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + err = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (err < 0) { mlog_errno(err); goto out_commit; @@ -851,8 +851,8 @@ static int ocfs2_unlink(struct inode *dir, goto leave; } - status = ocfs2_journal_access(handle, inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1265,8 +1265,8 @@ static int ocfs2_rename(struct inode *old_dir, goto bail; } } - status = ocfs2_journal_access(handle, new_inode, newfe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, new_inode, newfe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1312,8 +1312,8 @@ static int ocfs2_rename(struct inode *old_dir, old_inode->i_ctime = CURRENT_TIME; mark_inode_dirty(old_inode); - status = ocfs2_journal_access(handle, old_inode, old_inode_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, old_inode, old_inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status >= 0) { old_di = (struct ocfs2_dinode *) old_inode_bh->b_data; @@ -1389,9 +1389,9 @@ static int ocfs2_rename(struct inode *old_dir, (int)old_dir_nlink, old_dir->i_nlink); } else { struct ocfs2_dinode *fe; - status = ocfs2_journal_access(handle, old_dir, - old_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, old_dir, + old_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); fe = (struct ocfs2_dinode *) old_dir_bh->b_data; fe->i_links_count = cpu_to_le16(old_dir->i_nlink); status = ocfs2_journal_dirty(handle, old_dir_bh); @@ -1898,8 +1898,8 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb, goto leave; } - status = ocfs2_journal_access(handle, orphan_dir_inode, orphan_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, orphan_dir_inode, orphan_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; @@ -1986,8 +1986,8 @@ int ocfs2_orphan_del(struct ocfs2_super *osb, goto leave; } - status = ocfs2_journal_access(handle,orphan_dir_inode, orphan_dir_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle,orphan_dir_inode, orphan_dir_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 2bb389f..bad87d0 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -339,6 +339,10 @@ struct ocfs2_super #define OCFS2_SB(sb) ((struct ocfs2_super *)(sb)->s_fs_info) +/* Useful typedef for passing around journal access functions */ +typedef int (*ocfs2_journal_access_func)(handle_t *handle, struct inode *inode, + struct buffer_head *bh, int type); + static inline int ocfs2_should_order_data(struct inode *inode) { if (!S_ISREG(inode->i_mode)) diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index a0b8b14..444aa5a 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -244,7 +244,7 @@ ssize_t ocfs2_quota_write(struct super_block *sb, int type, set_buffer_uptodate(bh); unlock_buffer(bh); ocfs2_set_buffer_uptodate(gqinode, bh); - err = ocfs2_journal_access(handle, gqinode, bh, ja_type); + err = ocfs2_journal_access_dq(handle, gqinode, bh, ja_type); if (err < 0) { brelse(bh); goto out; diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index d451b71..07deec5 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -106,8 +106,8 @@ static int ocfs2_modify_bh(struct inode *inode, struct buffer_head *bh, mlog_errno(status); return status; } - status = ocfs2_journal_access(handle, inode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_dq(handle, inode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); ocfs2_commit_trans(OCFS2_SB(sb), handle); @@ -506,7 +506,7 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode, goto out_commit; } /* Release local quota file entry */ - status = ocfs2_journal_access(handle, lqinode, + status = ocfs2_journal_access_dq(handle, lqinode, qbh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -614,8 +614,8 @@ int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, mlog_errno(status); goto out_bh; } - status = ocfs2_journal_access(handle, lqinode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_dq(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_trans; @@ -981,8 +981,8 @@ static struct ocfs2_quota_chunk *ocfs2_local_quota_add_chunk( goto out; } - status = ocfs2_journal_access(handle, lqinode, bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_dq(handle, lqinode, bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_trans; @@ -1074,7 +1074,7 @@ static struct ocfs2_quota_chunk *ocfs2_extend_local_quota_file( mlog_errno(status); goto out; } - status = ocfs2_journal_access(handle, lqinode, chunk->qc_headerbh, + status = ocfs2_journal_access_dq(handle, lqinode, chunk->qc_headerbh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -1207,7 +1207,7 @@ static int ocfs2_local_release_dquot(struct dquot *dquot) goto out; } - status = ocfs2_journal_access(handle, sb_dqopt(sb)->files[type], + status = ocfs2_journal_access_dq(handle, sb_dqopt(sb)->files[type], od->dq_chunk->qc_headerbh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 867de3e..424adaa 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -106,8 +106,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, mlog_entry("(new_clusters=%d, first_new_cluster = %u)\n", new_clusters, first_new_cluster); - ret = ocfs2_journal_access(handle, bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out; @@ -141,8 +141,8 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, } /* update the inode accordingly. */ - ret = ocfs2_journal_access(handle, bm_inode, bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, bm_inode, bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_rollback; @@ -536,8 +536,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) cl = &fe->id2.i_chain; cr = &cl->cl_recs[input->chain]; - ret = ocfs2_journal_access(handle, main_bm_inode, group_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_gd(handle, main_bm_inode, group_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; @@ -552,8 +552,8 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) goto out_commit; } - ret = ocfs2_journal_access(handle, main_bm_inode, main_bm_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, main_bm_inode, main_bm_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 7875576..a696286 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -261,7 +261,11 @@ int ocfs2_check_group_descriptor(struct super_block *sb, * local to this block. */ rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &gd->bg_check); - if (!rc) + if (rc) { + mlog(ML_ERROR, + "Checksum failed for group descriptor %llu\n", + (unsigned long long)bh->b_blocknr); + } else rc = ocfs2_validate_gd_self(sb, bh, 1); if (!rc) rc = ocfs2_validate_gd_parent(sb, di, bh, 1); @@ -343,10 +347,10 @@ static int ocfs2_block_group_fill(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, - alloc_inode, - bg_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + status = ocfs2_journal_access_gd(handle, + alloc_inode, + bg_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (status < 0) { mlog_errno(status); goto bail; @@ -476,8 +480,8 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, bg = (struct ocfs2_group_desc *) bg_bh->b_data; - status = ocfs2_journal_access(handle, alloc_inode, - bh, OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, + bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -986,10 +990,10 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle, if (ocfs2_is_cluster_bitmap(alloc_inode)) journal_type = OCFS2_JOURNAL_ACCESS_UNDO; - status = ocfs2_journal_access(handle, - alloc_inode, - group_bh, - journal_type); + status = ocfs2_journal_access_gd(handle, + alloc_inode, + group_bh, + journal_type); if (status < 0) { mlog_errno(status); goto bail; @@ -1060,8 +1064,8 @@ static int ocfs2_relink_block_group(handle_t *handle, bg_ptr = le64_to_cpu(bg->bg_next_group); prev_bg_ptr = le64_to_cpu(prev_bg->bg_next_group); - status = ocfs2_journal_access(handle, alloc_inode, prev_bg_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_gd(handle, alloc_inode, prev_bg_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -1075,8 +1079,8 @@ static int ocfs2_relink_block_group(handle_t *handle, goto out_rollback; } - status = ocfs2_journal_access(handle, alloc_inode, bg_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_gd(handle, alloc_inode, bg_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -1090,8 +1094,8 @@ static int ocfs2_relink_block_group(handle_t *handle, goto out_rollback; } - status = ocfs2_journal_access(handle, alloc_inode, fe_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, fe_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto out_rollback; @@ -1242,8 +1246,8 @@ static int ocfs2_alloc_dinode_update_counts(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data; struct ocfs2_chain_list *cl = (struct ocfs2_chain_list *) &di->id2.i_chain; - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto out; @@ -1414,10 +1418,10 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac, /* Ok, claim our bits now: set the info on dinode, chainlist * and then the group */ - status = ocfs2_journal_access(handle, - alloc_inode, - ac->ac_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, + alloc_inode, + ac->ac_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; @@ -1824,8 +1828,8 @@ static inline int ocfs2_block_group_clear_bits(handle_t *handle, if (ocfs2_is_cluster_bitmap(alloc_inode)) journal_type = OCFS2_JOURNAL_ACCESS_UNDO; - status = ocfs2_journal_access(handle, alloc_inode, group_bh, - journal_type); + status = ocfs2_journal_access_gd(handle, alloc_inode, group_bh, + journal_type); if (status < 0) { mlog_errno(status); goto bail; @@ -1900,8 +1904,8 @@ int ocfs2_free_suballoc_bits(handle_t *handle, goto bail; } - status = ocfs2_journal_access(handle, alloc_inode, alloc_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = ocfs2_journal_access_di(handle, alloc_inode, alloc_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto bail; -- cgit v0.10.2 From 4d0e214ee83185fcaa2cb97cd026d32bdc5c994a Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Fri, 5 Dec 2008 11:19:37 -0800 Subject: ocfs2: Add ecc and checksums to ocfs2 xattr buckets. The xattr bucket can span multiple blocks on disk. We have wrappers for this structure in the code. We use the new multi-block ecc calls to calculate and validate the bucket. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index bc822d6..7c2f4c9 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -273,6 +273,15 @@ static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket, rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno, bucket->bu_blocks, bucket->bu_bhs, 0, NULL); + if (!rc) { + rc = ocfs2_validate_meta_ecc_bhs(bucket->bu_inode->i_sb, + bucket->bu_bhs, + bucket->bu_blocks, + &bucket_xh(bucket)->xh_check); + if (rc) + mlog_errno(rc); + } + if (rc) ocfs2_xattr_bucket_relse(bucket); return rc; @@ -301,6 +310,10 @@ static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle, { int i; + ocfs2_compute_meta_ecc_bhs(bucket->bu_inode->i_sb, + bucket->bu_bhs, bucket->bu_blocks, + &bucket_xh(bucket)->xh_check); + for (i = 0; i < bucket->bu_blocks; i++) ocfs2_journal_dirty(handle, bucket->bu_bhs[i]); } -- cgit v0.10.2 From 2a50a743bdaab104155bd9e988d2ba3bb4177263 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 14:24:33 -0800 Subject: ocfs2: Create ocfs2_xattr_value_buf. When an ocfs2 extended attribute is large enough to require its own allocation tree, we root it with an ocfs2_xattr_value_root. However, these roots can be a part of inodes, xattr blocks, or xattr buckets. Thus, they need a different journal access function for each container. We wrap the bh, its journal access function, and the value root (xv) in a structure called ocfs2_xattr_valu_buf. This is a package that can be passed around. In this first pass, we simply pass it to the extent tree code. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 6e58fd5..874c0bd 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -48,6 +48,7 @@ #include "file.h" #include "super.h" #include "uptodate.h" +#include "xattr.h" #include "buffer_head_io.h" @@ -207,36 +208,33 @@ static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) { - struct ocfs2_xattr_value_root *xv = et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - et->et_root_el = &xv->xr_list; + et->et_root_el = &vb->vb_xv->xr_list; } static void ocfs2_xattr_value_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - xv->xr_last_eb_blk = cpu_to_le64(blkno); + vb->vb_xv->xr_last_eb_blk = cpu_to_le64(blkno); } static u64 ocfs2_xattr_value_get_last_eb_blk(struct ocfs2_extent_tree *et) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *) et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - return le64_to_cpu(xv->xr_last_eb_blk); + return le64_to_cpu(vb->vb_xv->xr_last_eb_blk); } static void ocfs2_xattr_value_update_clusters(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters) { - struct ocfs2_xattr_value_root *xv = - (struct ocfs2_xattr_value_root *)et->et_object; + struct ocfs2_xattr_value_buf *vb = et->et_object; - le32_add_cpu(&xv->xr_clusters, clusters); + le32_add_cpu(&vb->vb_xv->xr_clusters, clusters); } static struct ocfs2_extent_tree_operations ocfs2_xattr_value_et_ops = { @@ -334,10 +332,9 @@ void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv) + struct ocfs2_xattr_value_buf *vb) { - __ocfs2_init_extent_tree(et, inode, bh, ocfs2_journal_access, xv, + __ocfs2_init_extent_tree(et, inode, vb->vb_bh, vb->vb_access, vb, &ocfs2_xattr_value_et_ops); } diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 4b6fea2..cceff5c 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -71,10 +71,10 @@ void ocfs2_init_dinode_extent_tree(struct ocfs2_extent_tree *et, void ocfs2_init_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh); +struct ocfs2_xattr_value_buf; void ocfs2_init_xattr_value_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv); + struct ocfs2_xattr_value_buf *vb); /* * Read an extent block into *bh. If *bh is NULL, a bh will be diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 7c2f4c9..123d378 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -581,21 +581,26 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, handle_t *handle = ctxt->handle; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); + struct ocfs2_xattr_value_buf vb = { + .vb_bh = xattr_bh, + .vb_xv = xv, + .vb_access = ocfs2_journal_access, + }; + u32 prev_clusters, logical_start = le32_to_cpu(vb.vb_xv->xr_clusters); struct ocfs2_extent_tree et; mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); - ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv); + ocfs2_init_xattr_value_extent_tree(&et, inode, &vb); - status = ocfs2_journal_access(handle, inode, xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + status = vb.vb_access(handle, inode, vb.vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; } - prev_clusters = le32_to_cpu(xv->xr_clusters); + prev_clusters = le32_to_cpu(vb.vb_xv->xr_clusters); status = ocfs2_add_clusters_in_btree(osb, inode, &logical_start, @@ -611,13 +616,13 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, goto leave; } - status = ocfs2_journal_dirty(handle, xattr_bh); + status = ocfs2_journal_dirty(handle, vb.vb_bh); if (status < 0) { mlog_errno(status); goto leave; } - clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters; + clusters_to_add -= le32_to_cpu(vb.vb_xv->xr_clusters) - prev_clusters; /* * We should have already allocated enough space before the transaction, @@ -640,11 +645,16 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); handle_t *handle = ctxt->handle; struct ocfs2_extent_tree et; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = root_bh, + .vb_xv = xv, + .vb_access = ocfs2_journal_access, + }; - ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv); + ocfs2_init_xattr_value_extent_tree(&et, inode, &vb); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb.vb_access(handle, inode, vb.vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -657,9 +667,9 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out; } - le32_add_cpu(&xv->xr_clusters, -len); + le32_add_cpu(&vb.vb_xv->xr_clusters, -len); - ret = ocfs2_journal_dirty(handle, root_bh); + ret = ocfs2_journal_dirty(handle, vb.vb_bh); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 9a67e7d..5a1ebc7 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -70,4 +70,18 @@ int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, int, struct ocfs2_security_xattr_info *, int *, int *, struct ocfs2_alloc_context **); +/* + * xattrs can live inside an inode, as part of an external xattr block, + * or inside an xattr bucket, which is the leaf of a tree rooted in an + * xattr block. Some of the xattr calls, especially the value setting + * functions, want to treat each of these locations as equal. Let's wrap + * them in a structure that we can pass around instead of raw buffer_heads. + */ +struct ocfs2_xattr_value_buf { + struct buffer_head *vb_bh; + ocfs2_journal_access_func vb_access; + struct ocfs2_xattr_value_root *vb_xv; +}; + + #endif /* OCFS2_XATTR_H */ -- cgit v0.10.2 From d72cc72d57ecaf9047da51269dabd6880c1399ac Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 14:30:41 -0800 Subject: ocfs2: Pull ocfs2_xattr_value_buf up from __ocfs2_remove_xattr_range(). Place an ocfs2_xattr_value_buf in __ocfs2_xattr_shrink_size() and pass it down to __ocfs2_remove_xattr_range(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 123d378..3b059cf 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -636,8 +636,7 @@ leave: } static int __ocfs2_remove_xattr_range(struct inode *inode, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_value_buf *vb, u32 cpos, u32 phys_cpos, u32 len, struct ocfs2_xattr_set_ctxt *ctxt) { @@ -645,16 +644,11 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos); handle_t *handle = ctxt->handle; struct ocfs2_extent_tree et; - struct ocfs2_xattr_value_buf vb = { - .vb_bh = root_bh, - .vb_xv = xv, - .vb_access = ocfs2_journal_access, - }; - ocfs2_init_xattr_value_extent_tree(&et, inode, &vb); + ocfs2_init_xattr_value_extent_tree(&et, inode, vb); - ret = vb.vb_access(handle, inode, vb.vb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -667,9 +661,9 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out; } - le32_add_cpu(&vb.vb_xv->xr_clusters, -len); + le32_add_cpu(&vb->vb_xv->xr_clusters, -len); - ret = ocfs2_journal_dirty(handle, vb.vb_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret) { mlog_errno(ret); goto out; @@ -693,6 +687,11 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, int ret = 0; u32 trunc_len, cpos, phys_cpos, alloc_size; u64 block; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = root_bh, + .vb_xv = xv, + .vb_access = ocfs2_journal_access, + }; if (old_clusters <= new_clusters) return 0; @@ -701,7 +700,8 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, trunc_len = old_clusters - new_clusters; while (trunc_len) { ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos, - &alloc_size, &xv->xr_list); + &alloc_size, + &vb.vb_xv->xr_list); if (ret) { mlog_errno(ret); goto out; @@ -710,7 +710,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, if (alloc_size > trunc_len) alloc_size = trunc_len; - ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos, + ret = __ocfs2_remove_xattr_range(inode, &vb, cpos, phys_cpos, alloc_size, ctxt); if (ret) { -- cgit v0.10.2 From 19b801f45fa5e4840b9be3dcf1e73b08f35b04d9 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 14:36:50 -0800 Subject: ocfs2: Pull ocfs2_xattr_value_buf up into ocfs2_xattr_value_truncate(). Place an ocfs2_xattr_value_buf in ocfs2_xattr_value_truncate() and pass it down to ocfs2_xattr_shrink_size(). We can also pass it into ocfs2_xattr_extend_allocation(), replacing its ocfs2_xattr_value_buf. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3b059cf..4ce8019 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -573,34 +573,28 @@ int ocfs2_calc_xattr_init(struct inode *dir, static int ocfs2_xattr_extend_allocation(struct inode *inode, u32 clusters_to_add, - struct buffer_head *xattr_bh, - struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_value_buf *vb, struct ocfs2_xattr_set_ctxt *ctxt) { int status = 0; handle_t *handle = ctxt->handle; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_xattr_value_buf vb = { - .vb_bh = xattr_bh, - .vb_xv = xv, - .vb_access = ocfs2_journal_access, - }; - u32 prev_clusters, logical_start = le32_to_cpu(vb.vb_xv->xr_clusters); + u32 prev_clusters, logical_start = le32_to_cpu(vb->vb_xv->xr_clusters); struct ocfs2_extent_tree et; mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); - ocfs2_init_xattr_value_extent_tree(&et, inode, &vb); + ocfs2_init_xattr_value_extent_tree(&et, inode, vb); - status = vb.vb_access(handle, inode, vb.vb_bh, + status = vb->vb_access(handle, inode, vb->vb_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); goto leave; } - prev_clusters = le32_to_cpu(vb.vb_xv->xr_clusters); + prev_clusters = le32_to_cpu(vb->vb_xv->xr_clusters); status = ocfs2_add_clusters_in_btree(osb, inode, &logical_start, @@ -616,13 +610,13 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, goto leave; } - status = ocfs2_journal_dirty(handle, vb.vb_bh); + status = ocfs2_journal_dirty(handle, vb->vb_bh); if (status < 0) { mlog_errno(status); goto leave; } - clusters_to_add -= le32_to_cpu(vb.vb_xv->xr_clusters) - prev_clusters; + clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) - prev_clusters; /* * We should have already allocated enough space before the transaction, @@ -680,18 +674,12 @@ out: static int ocfs2_xattr_shrink_size(struct inode *inode, u32 old_clusters, u32 new_clusters, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_value_buf *vb, struct ocfs2_xattr_set_ctxt *ctxt) { int ret = 0; u32 trunc_len, cpos, phys_cpos, alloc_size; u64 block; - struct ocfs2_xattr_value_buf vb = { - .vb_bh = root_bh, - .vb_xv = xv, - .vb_access = ocfs2_journal_access, - }; if (old_clusters <= new_clusters) return 0; @@ -701,7 +689,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, while (trunc_len) { ret = ocfs2_xattr_get_clusters(inode, cpos, &phys_cpos, &alloc_size, - &vb.vb_xv->xr_list); + &vb->vb_xv->xr_list); if (ret) { mlog_errno(ret); goto out; @@ -710,7 +698,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode, if (alloc_size > trunc_len) alloc_size = trunc_len; - ret = __ocfs2_remove_xattr_range(inode, &vb, cpos, + ret = __ocfs2_remove_xattr_range(inode, vb, cpos, phys_cpos, alloc_size, ctxt); if (ret) { @@ -738,6 +726,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, int ret; u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len); u32 old_clusters = le32_to_cpu(xv->xr_clusters); + struct ocfs2_xattr_value_buf vb = { + .vb_bh = root_bh, + .vb_xv = xv, + .vb_access = ocfs2_journal_access, + }; if (new_clusters == old_clusters) return 0; @@ -745,11 +738,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, if (new_clusters > old_clusters) ret = ocfs2_xattr_extend_allocation(inode, new_clusters - old_clusters, - root_bh, xv, ctxt); + &vb, ctxt); else ret = ocfs2_xattr_shrink_size(inode, old_clusters, new_clusters, - root_bh, xv, ctxt); + &vb, ctxt); return ret; } -- cgit v0.10.2 From b3e5d37905730dc5ddff717f55ed830caa80ea0e Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 15:01:04 -0800 Subject: ocfs2: Pass ocfs2_xattr_value_buf into ocfs2_xattr_value_truncate(). The callers of ocfs2_xattr_value_truncate() now pass in ocfs2_xattr_value_bufs. These callers are the ones that calculated the xv location, so they are the right starting point. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4ce8019..409f9ee 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -718,19 +718,13 @@ out: } static int ocfs2_xattr_value_truncate(struct inode *inode, - struct buffer_head *root_bh, - struct ocfs2_xattr_value_root *xv, + struct ocfs2_xattr_value_buf *vb, int len, struct ocfs2_xattr_set_ctxt *ctxt) { int ret; u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len); - u32 old_clusters = le32_to_cpu(xv->xr_clusters); - struct ocfs2_xattr_value_buf vb = { - .vb_bh = root_bh, - .vb_xv = xv, - .vb_access = ocfs2_journal_access, - }; + u32 old_clusters = le32_to_cpu(vb->vb_xv->xr_clusters); if (new_clusters == old_clusters) return 0; @@ -738,11 +732,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode, if (new_clusters > old_clusters) ret = ocfs2_xattr_extend_allocation(inode, new_clusters - old_clusters, - &vb, ctxt); + vb, ctxt); else ret = ocfs2_xattr_shrink_size(inode, old_clusters, new_clusters, - &vb, ctxt); + vb, ctxt); return ret; } @@ -1330,6 +1324,10 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, struct ocfs2_xattr_value_root *xv = NULL; size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; int ret = 0; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = xs->xattr_bh, + .vb_access = ocfs2_journal_access + }; memset(val, 0, size); memcpy(val, xi->name, name_len); @@ -1340,9 +1338,9 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, xv->xr_list.l_tree_depth = 0; xv->xr_list.l_count = cpu_to_le16(1); xv->xr_list.l_next_free_rec = 0; + vb.vb_xv = xv; - ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv, - xi->value_len, ctxt); + ret = ocfs2_xattr_value_truncate(inode, &vb, xi->value_len, ctxt); if (ret < 0) { mlog_errno(ret); return ret; @@ -1352,7 +1350,7 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, mlog_errno(ret); return ret; } - ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, xv, + ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb.vb_xv, xi->value, xi->value_len); if (ret < 0) mlog_errno(ret); @@ -1550,9 +1548,12 @@ static int ocfs2_xattr_set_entry(struct inode *inode, goto out; } else if (!ocfs2_xattr_is_local(xs->here)) { /* For existing xattr which has value outside */ - struct ocfs2_xattr_value_root *xv = NULL; - xv = (struct ocfs2_xattr_value_root *)(val + - OCFS2_XATTR_SIZE(name_len)); + struct ocfs2_xattr_value_buf vb = { + .vb_bh = xs->xattr_bh, + .vb_xv = (struct ocfs2_xattr_value_root *) + (val + OCFS2_XATTR_SIZE(name_len)), + .vb_access = ocfs2_journal_access, + }; if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { /* @@ -1561,8 +1562,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * then set new value with set_value_outside(). */ ret = ocfs2_xattr_value_truncate(inode, - xs->xattr_bh, - xv, + &vb, xi->value_len, ctxt); if (ret < 0) { @@ -1582,7 +1582,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, ret = __ocfs2_xattr_set_value_outside(inode, handle, - xv, + vb.vb_xv, xi->value, xi->value_len); if (ret < 0) @@ -1594,8 +1594,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * just trucate old value to zero. */ ret = ocfs2_xattr_value_truncate(inode, - xs->xattr_bh, - xv, + &vb, 0, ctxt); if (ret < 0) @@ -1714,15 +1713,17 @@ static int ocfs2_remove_value_outside(struct inode*inode, struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; if (!ocfs2_xattr_is_local(entry)) { - struct ocfs2_xattr_value_root *xv; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = bh, + .vb_access = ocfs2_journal_access, + }; void *val; val = (void *)header + le16_to_cpu(entry->xe_name_offset); - xv = (struct ocfs2_xattr_value_root *) + vb.vb_xv = (struct ocfs2_xattr_value_root *) (val + OCFS2_XATTR_SIZE(entry->xe_name_len)); - ret = ocfs2_xattr_value_truncate(inode, bh, xv, - 0, &ctxt); + ret = ocfs2_xattr_value_truncate(inode, &vb, 0, &ctxt); if (ret < 0) { mlog_errno(ret); break; @@ -4651,11 +4652,12 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, { int ret, offset; u64 value_blk; - struct buffer_head *value_bh = NULL; - struct ocfs2_xattr_value_root *xv; struct ocfs2_xattr_entry *xe; struct ocfs2_xattr_header *xh = bucket_xh(bucket); size_t blocksize = inode->i_sb->s_blocksize; + struct ocfs2_xattr_value_buf vb = { + .vb_access = ocfs2_journal_access, + }; xe = &xh->xh_entries[xe_off]; @@ -4669,11 +4671,11 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, /* We don't allow ocfs2_xattr_value to be stored in different block. */ BUG_ON(value_blk != (offset + OCFS2_XATTR_ROOT_SIZE - 1) / blocksize); - value_bh = bucket->bu_bhs[value_blk]; - BUG_ON(!value_bh); + vb.vb_bh = bucket->bu_bhs[value_blk]; + BUG_ON(!vb.vb_bh); - xv = (struct ocfs2_xattr_value_root *) - (value_bh->b_data + offset % blocksize); + vb.vb_xv = (struct ocfs2_xattr_value_root *) + (vb.vb_bh->b_data + offset % blocksize); ret = ocfs2_xattr_bucket_journal_access(ctxt->handle, bucket, OCFS2_JOURNAL_ACCESS_WRITE); @@ -4691,7 +4693,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode, */ mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n", xe_off, (unsigned long long)bucket_blkno(bucket), len); - ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt); + ret = ocfs2_xattr_value_truncate(inode, &vb, len, ctxt); if (ret) { mlog_errno(ret); goto out_dirty; -- cgit v0.10.2 From 0c748e95327d00e9eb19d0f34b32147ecbc02137 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 15:46:15 -0800 Subject: ocfs2: Pass value buf to ocfs2_xattr_update_entry(). ocfs2_xattr_update_entry() updates the entry portion of an xattr buffer. This can be part of multiple metadata block types, so pass the buffer in via an ocfs2_xattr_value_buf. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 409f9ee..6a05612 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1282,12 +1282,13 @@ static int ocfs2_xattr_update_entry(struct inode *inode, handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_value_buf *vb, size_t offs) { int ret; - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -1301,7 +1302,7 @@ static int ocfs2_xattr_update_entry(struct inode *inode, ocfs2_xattr_set_local(xs->here, 0); ocfs2_xattr_hash_entry(inode, xs->header, xs->here); - ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret < 0) mlog_errno(ret); out: @@ -1345,7 +1346,7 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, mlog_errno(ret); return ret; } - ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, offs); + ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, &vb, offs); if (ret < 0) { mlog_errno(ret); return ret; @@ -1574,6 +1575,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, handle, xi, xs, + &vb, offs); if (ret < 0) { mlog_errno(ret); -- cgit v0.10.2 From 512620f44df85df87348fc9a6fc54fcaa254b8d3 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 15:58:35 -0800 Subject: ocfs2: Use ocfs2_xattr_value_buf in ocfs2_xattr_set_entry(). ocfs2_xattr_set_entry is the function that knows what type of block it is setting into. This is what we wanted from ocfs2_xattr_value_buf. Plus, moving the value buf up into ocfs2_xattr_set_entry() allows us to pass it into ocfs2_xattr_set_value_outside() and ocfs2_xattr_cleanup(). Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 6a05612..c08b5e8 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1252,6 +1252,7 @@ static int ocfs2_xattr_cleanup(struct inode *inode, handle_t *handle, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, + struct ocfs2_xattr_value_buf *vb, size_t offs) { int ret = 0; @@ -1259,8 +1260,8 @@ static int ocfs2_xattr_cleanup(struct inode *inode, void *val = xs->base + offs; size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb->vb_access(handle, inode, vb->vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -1271,7 +1272,7 @@ static int ocfs2_xattr_cleanup(struct inode *inode, memset((void *)xs->here, 0, sizeof(struct ocfs2_xattr_entry)); memset(val, 0, size); - ret = ocfs2_journal_dirty(handle, xs->xattr_bh); + ret = ocfs2_journal_dirty(handle, vb->vb_bh); if (ret < 0) mlog_errno(ret); out: @@ -1318,6 +1319,7 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, struct ocfs2_xattr_info *xi, struct ocfs2_xattr_search *xs, struct ocfs2_xattr_set_ctxt *ctxt, + struct ocfs2_xattr_value_buf *vb, size_t offs) { size_t name_len = strlen(xi->name); @@ -1325,10 +1327,6 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, struct ocfs2_xattr_value_root *xv = NULL; size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE; int ret = 0; - struct ocfs2_xattr_value_buf vb = { - .vb_bh = xs->xattr_bh, - .vb_access = ocfs2_journal_access - }; memset(val, 0, size); memcpy(val, xi->name, name_len); @@ -1339,19 +1337,19 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode, xv->xr_list.l_tree_depth = 0; xv->xr_list.l_count = cpu_to_le16(1); xv->xr_list.l_next_free_rec = 0; - vb.vb_xv = xv; + vb->vb_xv = xv; - ret = ocfs2_xattr_value_truncate(inode, &vb, xi->value_len, ctxt); + ret = ocfs2_xattr_value_truncate(inode, vb, xi->value_len, ctxt); if (ret < 0) { mlog_errno(ret); return ret; } - ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, &vb, offs); + ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, vb, offs); if (ret < 0) { mlog_errno(ret); return ret; } - ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb.vb_xv, + ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb->vb_xv, xi->value, xi->value_len); if (ret < 0) mlog_errno(ret); @@ -1488,6 +1486,16 @@ static int ocfs2_xattr_set_entry(struct inode *inode, .value = xi->value, .value_len = xi->value_len, }; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = xs->xattr_bh, + .vb_access = ocfs2_journal_access_di, + }; + + if (!(flag & OCFS2_INLINE_XATTR_FL)) { + BUG_ON(xs->xattr_bh == xs->inode_bh); + vb.vb_access = ocfs2_journal_access_xb; + } else + BUG_ON(xs->xattr_bh != xs->inode_bh); /* Compute min_offs, last and free space. */ last = xs->header->xh_entries; @@ -1543,18 +1551,14 @@ static int ocfs2_xattr_set_entry(struct inode *inode, if (ocfs2_xattr_is_local(xs->here) && size == size_l) { /* Replace existing local xattr with tree root */ ret = ocfs2_xattr_set_value_outside(inode, xi, xs, - ctxt, offs); + ctxt, &vb, offs); if (ret < 0) mlog_errno(ret); goto out; } else if (!ocfs2_xattr_is_local(xs->here)) { /* For existing xattr which has value outside */ - struct ocfs2_xattr_value_buf vb = { - .vb_bh = xs->xattr_bh, - .vb_xv = (struct ocfs2_xattr_value_root *) - (val + OCFS2_XATTR_SIZE(name_len)), - .vb_access = ocfs2_journal_access, - }; + vb.vb_xv = (struct ocfs2_xattr_value_root *) + (val + OCFS2_XATTR_SIZE(name_len)); if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) { /* @@ -1605,16 +1609,16 @@ static int ocfs2_xattr_set_entry(struct inode *inode, } } - ret = ocfs2_journal_access(handle, inode, xs->inode_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; } if (!(flag & OCFS2_INLINE_XATTR_FL)) { - ret = ocfs2_journal_access(handle, inode, xs->xattr_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = vb.vb_access(handle, inode, vb.vb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -1674,7 +1678,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * This is the second step for value size > INLINE_SIZE. */ size_t offs = le16_to_cpu(xs->here->xe_name_offset); - ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, offs); + ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, + &vb, offs); if (ret < 0) { int ret2; @@ -1684,7 +1689,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode, * the junk tree root we have already set in local. */ ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle, - xi, xs, offs); + xi, xs, &vb, offs); if (ret2 < 0) mlog_errno(ret2); } -- cgit v0.10.2 From 4311901daabe1d0f22cfcf86c57ad450f14b4e9f Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 16:24:43 -0800 Subject: ocfs2: Pass value buf to ocfs2_remove_value_outside(). ocfs2_remove_value_outside() needs to know the type of buffer it is looking at. Pass in an ocfs2_xattr_value_buf. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index c08b5e8..d2760e6 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1699,7 +1699,7 @@ out: } static int ocfs2_remove_value_outside(struct inode*inode, - struct buffer_head *bh, + struct ocfs2_xattr_value_buf *vb, struct ocfs2_xattr_header *header) { int ret = 0, i; @@ -1720,17 +1720,13 @@ static int ocfs2_remove_value_outside(struct inode*inode, struct ocfs2_xattr_entry *entry = &header->xh_entries[i]; if (!ocfs2_xattr_is_local(entry)) { - struct ocfs2_xattr_value_buf vb = { - .vb_bh = bh, - .vb_access = ocfs2_journal_access, - }; void *val; val = (void *)header + le16_to_cpu(entry->xe_name_offset); - vb.vb_xv = (struct ocfs2_xattr_value_root *) + vb->vb_xv = (struct ocfs2_xattr_value_root *) (val + OCFS2_XATTR_SIZE(entry->xe_name_len)); - ret = ocfs2_xattr_value_truncate(inode, &vb, 0, &ctxt); + ret = ocfs2_xattr_value_truncate(inode, vb, 0, &ctxt); if (ret < 0) { mlog_errno(ret); break; @@ -1752,12 +1748,16 @@ static int ocfs2_xattr_ibody_remove(struct inode *inode, struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_xattr_header *header; int ret; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = di_bh, + .vb_access = ocfs2_journal_access_di, + }; header = (struct ocfs2_xattr_header *) ((void *)di + inode->i_sb->s_blocksize - le16_to_cpu(di->i_xattr_inline_size)); - ret = ocfs2_remove_value_outside(inode, di_bh, header); + ret = ocfs2_remove_value_outside(inode, &vb, header); return ret; } @@ -1767,11 +1767,15 @@ static int ocfs2_xattr_block_remove(struct inode *inode, { struct ocfs2_xattr_block *xb; int ret = 0; + struct ocfs2_xattr_value_buf vb = { + .vb_bh = blk_bh, + .vb_access = ocfs2_journal_access_xb, + }; xb = (struct ocfs2_xattr_block *)blk_bh->b_data; if (!(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED)) { struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header); - ret = ocfs2_remove_value_outside(inode, blk_bh, header); + ret = ocfs2_remove_value_outside(inode, &vb, header); } else ret = ocfs2_delete_xattr_index_block(inode, blk_bh); -- cgit v0.10.2 From 84008972491ca91b240f106191519781dabb8016 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 9 Dec 2008 16:11:49 -0800 Subject: ocfs2: Use proper journal_access function in xattr.c Change the rest of the naked ocfs2_journal_access() calls in fs/ocfs2/xattr.c to use the appropriate ocfs2_journal_access_*() call for their metadata type. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index d2760e6..17028aa 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1894,8 +1894,8 @@ int ocfs2_xattr_remove(struct inode *inode, struct buffer_head *di_bh) mlog_errno(ret); goto out; } - ret = ocfs2_journal_access(handle, inode, di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_di(handle, inode, di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; @@ -2103,8 +2103,8 @@ static int ocfs2_xattr_block_set(struct inode *inode, int ret; if (!xs->xattr_bh) { - ret = ocfs2_journal_access(handle, inode, xs->inode_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_di(handle, inode, xs->inode_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); goto end; @@ -2121,8 +2121,8 @@ static int ocfs2_xattr_block_set(struct inode *inode, new_bh = sb_getblk(inode->i_sb, first_blkno); ocfs2_set_new_buffer_uptodate(inode, new_bh); - ret = ocfs2_journal_access(handle, inode, new_bh, - OCFS2_JOURNAL_ACCESS_CREATE); + ret = ocfs2_journal_access_xb(handle, inode, new_bh, + OCFS2_JOURNAL_ACCESS_CREATE); if (ret < 0) { mlog_errno(ret); goto end; @@ -3377,8 +3377,8 @@ static int ocfs2_xattr_create_index_block(struct inode *inode, */ down_write(&oi->ip_alloc_sem); - ret = ocfs2_journal_access(handle, inode, xb_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, xb_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out; @@ -4216,8 +4216,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh); - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret < 0) { mlog_errno(ret); goto leave; @@ -4808,8 +4808,8 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, goto out; } - ret = ocfs2_journal_access(handle, inode, root_bh, - OCFS2_JOURNAL_ACCESS_WRITE); + ret = ocfs2_journal_access_xb(handle, inode, root_bh, + OCFS2_JOURNAL_ACCESS_WRITE); if (ret) { mlog_errno(ret); goto out_commit; -- cgit v0.10.2 From 87d35a74b15ec703910a63e0667692fb5e267be0 Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Wed, 10 Dec 2008 17:36:25 -0800 Subject: ocfs2: Add directory block trailers. Future ocfs2 features metaecc and indexed directories need to store a little bit of data in each dirblock. For compatibility, we place this in a trailer at the end of the dirblock. The trailer plays itself as an empty dirent, so that if the features are turned off, it can be reused without requiring a tunefs scan. This code adds the trailer and validates it when the block is read in. [ Mark is the original author, but I reinserted this code before his dir index work. -- Joel ] Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 45e4e03..1efd0ab 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -84,6 +84,63 @@ static int ocfs2_do_extend_dir(struct super_block *sb, struct buffer_head **new_bh); /* + * These are distinct checks because future versions of the file system will + * want to have a trailing dirent structure independent of indexing. + */ +static int ocfs2_dir_has_trailer(struct inode *dir) +{ + if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) + return 0; + + return ocfs2_meta_ecc(OCFS2_SB(dir->i_sb)); +} + +static int ocfs2_supports_dir_trailer(struct ocfs2_super *osb) +{ + return ocfs2_meta_ecc(osb); +} + +static inline unsigned int ocfs2_dir_trailer_blk_off(struct super_block *sb) +{ + return sb->s_blocksize - sizeof(struct ocfs2_dir_block_trailer); +} + +#define ocfs2_trailer_from_bh(_bh, _sb) ((struct ocfs2_dir_block_trailer *) ((_bh)->b_data + ocfs2_dir_trailer_blk_off((_sb)))) + +/* + * XXX: This is executed once on every dirent. We should consider optimizing + * it. + */ +static int ocfs2_skip_dir_trailer(struct inode *dir, + struct ocfs2_dir_entry *de, + unsigned long offset, + unsigned long blklen) +{ + unsigned long toff = blklen - sizeof(struct ocfs2_dir_block_trailer); + + if (!ocfs2_dir_has_trailer(dir)) + return 0; + + if (offset != toff) + return 0; + + return 1; +} + +static void ocfs2_init_dir_trailer(struct inode *inode, + struct buffer_head *bh) +{ + struct ocfs2_dir_block_trailer *trailer; + + trailer = ocfs2_trailer_from_bh(bh, inode->i_sb); + strcpy(trailer->db_signature, OCFS2_DIR_TRAILER_SIGNATURE); + trailer->db_compat_rec_len = + cpu_to_le16(sizeof(struct ocfs2_dir_block_trailer)); + trailer->db_parent_dinode = cpu_to_le64(OCFS2_I(inode)->ip_blkno); + trailer->db_blkno = cpu_to_le64(bh->b_blocknr); +} + +/* * bh passed here can be an inode block or a dir data block, depending * on the inode inline data flag. */ @@ -232,16 +289,60 @@ static int ocfs2_read_dir_block(struct inode *inode, u64 v_block, { int rc = 0; struct buffer_head *tmp = *bh; + struct ocfs2_dir_block_trailer *trailer; rc = ocfs2_read_virt_blocks(inode, v_block, 1, &tmp, flags, ocfs2_validate_dir_block); - if (rc) + if (rc) { mlog_errno(rc); + goto out; + } + + /* + * We check the trailer here rather than in + * ocfs2_validate_dir_block() because that function doesn't have + * the inode to test. + */ + if (!(flags & OCFS2_BH_READAHEAD) && + ocfs2_dir_has_trailer(inode)) { + trailer = ocfs2_trailer_from_bh(tmp, inode->i_sb); + if (!OCFS2_IS_VALID_DIR_TRAILER(trailer)) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Invalid dirblock #%llu: " + "signature = %.*s\n", + (unsigned long long)tmp->b_blocknr, 7, + trailer->db_signature); + goto out; + } + if (le64_to_cpu(trailer->db_blkno) != tmp->b_blocknr) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Directory block #%llu has an invalid " + "db_blkno of %llu", + (unsigned long long)tmp->b_blocknr, + (unsigned long long)le64_to_cpu(trailer->db_blkno)); + goto out; + } + if (le64_to_cpu(trailer->db_parent_dinode) != + OCFS2_I(inode)->ip_blkno) { + rc = -EINVAL; + ocfs2_error(inode->i_sb, + "Directory block #%llu on dinode " + "#%llu has an invalid parent_dinode " + "of %llu", + (unsigned long long)tmp->b_blocknr, + (unsigned long long)OCFS2_I(inode)->ip_blkno, + (unsigned long long)le64_to_cpu(trailer->db_blkno)); + goto out; + } + } /* If ocfs2_read_virt_blocks() got us a new bh, pass it up. */ - if (!rc && !*bh) + if (!*bh) *bh = tmp; +out: return rc ? -EIO : 0; } @@ -581,6 +682,16 @@ int __ocfs2_add_entry(handle_t *handle, goto bail; } + /* We're guaranteed that we should have space, so we + * can't possibly have hit the trailer...right? */ + mlog_bug_on_msg(ocfs2_skip_dir_trailer(dir, de, offset, size), + "Hit dir trailer trying to insert %.*s " + "(namelen %d) into directory %llu. " + "offset is %lu, trailer offset is %d\n", + namelen, name, namelen, + (unsigned long long)parent_fe_bh->b_blocknr, + offset, ocfs2_dir_trailer_blk_off(dir->i_sb)); + if (ocfs2_dirent_would_fit(de, rec_len)) { dir->i_mtime = dir->i_ctime = CURRENT_TIME; retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh); @@ -622,6 +733,7 @@ int __ocfs2_add_entry(handle_t *handle, retval = 0; goto bail; } + offset += le16_to_cpu(de->rec_len); de = (struct ocfs2_dir_entry *) ((char *) de + le16_to_cpu(de->rec_len)); } @@ -1059,9 +1171,15 @@ int ocfs2_empty_dir(struct inode *inode) return !priv.seen_other; } -static void ocfs2_fill_initial_dirents(struct inode *inode, - struct inode *parent, - char *start, unsigned int size) +/* + * Fills "." and ".." dirents in a new directory block. Returns dirent for + * "..", which might be used during creation of a directory with a trailing + * header. It is otherwise safe to ignore the return code. + */ +static struct ocfs2_dir_entry *ocfs2_fill_initial_dirents(struct inode *inode, + struct inode *parent, + char *start, + unsigned int size) { struct ocfs2_dir_entry *de = (struct ocfs2_dir_entry *)start; @@ -1078,6 +1196,8 @@ static void ocfs2_fill_initial_dirents(struct inode *inode, de->name_len = 2; strcpy(de->name, ".."); ocfs2_set_de_type(de, S_IFDIR); + + return de; } /* @@ -1130,10 +1250,15 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, struct ocfs2_alloc_context *data_ac) { int status; + unsigned int size = osb->sb->s_blocksize; struct buffer_head *new_bh = NULL; + struct ocfs2_dir_entry *de; mlog_entry_void(); + if (ocfs2_supports_dir_trailer(osb)) + size = ocfs2_dir_trailer_blk_off(parent->i_sb); + status = ocfs2_do_extend_dir(osb->sb, handle, inode, fe_bh, data_ac, NULL, &new_bh); if (status < 0) { @@ -1151,8 +1276,9 @@ static int ocfs2_fill_new_dir_el(struct ocfs2_super *osb, } memset(new_bh->b_data, 0, osb->sb->s_blocksize); - ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data, - osb->sb->s_blocksize); + de = ocfs2_fill_initial_dirents(inode, parent, new_bh->b_data, size); + if (ocfs2_supports_dir_trailer(osb)) + ocfs2_init_dir_trailer(inode, new_bh); status = ocfs2_journal_dirty(handle, new_bh); if (status < 0) { @@ -1193,13 +1319,27 @@ int ocfs2_fill_new_dir(struct ocfs2_super *osb, data_ac); } +/* + * Expand rec_len of the rightmost dirent in a directory block so that it + * contains the end of our valid space for dirents. We do this during + * expansion from an inline directory to one with extents. The first dir block + * in that case is taken from the inline data portion of the inode block. + * + * We add the dir trailer if this filesystem wants it. + */ static void ocfs2_expand_last_dirent(char *start, unsigned int old_size, - unsigned int new_size) + struct super_block *sb) { struct ocfs2_dir_entry *de; struct ocfs2_dir_entry *prev_de; char *de_buf, *limit; - unsigned int bytes = new_size - old_size; + unsigned int new_size = sb->s_blocksize; + unsigned int bytes; + + if (ocfs2_supports_dir_trailer(OCFS2_SB(sb))) + new_size = ocfs2_dir_trailer_blk_off(sb); + + bytes = new_size - old_size; limit = start + old_size; de_buf = start; @@ -1316,8 +1456,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, memcpy(dirdata_bh->b_data, di->id2.i_data.id_data, i_size_read(dir)); memset(dirdata_bh->b_data + i_size_read(dir), 0, sb->s_blocksize - i_size_read(dir)); - ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), - sb->s_blocksize); + ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), sb); + if (ocfs2_supports_dir_trailer(osb)) + ocfs2_init_dir_trailer(dir, dirdata_bh); ret = ocfs2_journal_dirty(handle, dirdata_bh); if (ret) { @@ -1604,9 +1745,15 @@ do_extend: goto bail; } memset(new_bh->b_data, 0, sb->s_blocksize); + de = (struct ocfs2_dir_entry *) new_bh->b_data; de->inode = 0; - de->rec_len = cpu_to_le16(sb->s_blocksize); + if (ocfs2_dir_has_trailer(dir)) { + de->rec_len = cpu_to_le16(ocfs2_dir_trailer_blk_off(sb)); + ocfs2_init_dir_trailer(dir, new_bh); + } else { + de->rec_len = cpu_to_le16(sb->s_blocksize); + } status = ocfs2_journal_dirty(handle, new_bh); if (status < 0) { mlog_errno(status); @@ -1648,11 +1795,21 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, unsigned int *blocks_wanted) { int ret; + struct super_block *sb = dir->i_sb; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; struct ocfs2_dir_entry *de, *last_de = NULL; char *de_buf, *limit; unsigned long offset = 0; - unsigned int rec_len, new_rec_len; + unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize; + + /* + * This calculates how many free bytes we'd have in block zero, should + * this function force expansion to an extent tree. + */ + if (ocfs2_supports_dir_trailer(OCFS2_SB(sb))) + free_space = ocfs2_dir_trailer_blk_off(sb) - i_size_read(dir); + else + free_space = dir->i_sb->s_blocksize - i_size_read(dir); de_buf = di->id2.i_data.id_data; limit = de_buf + i_size_read(dir); @@ -1669,6 +1826,11 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, ret = -EEXIST; goto out; } + /* + * No need to check for a trailing dirent record here as + * they're not used for inline dirs. + */ + if (ocfs2_dirent_would_fit(de, rec_len)) { /* Ok, we found a spot. Return this bh and let * the caller actually fill it in. */ @@ -1689,7 +1851,7 @@ static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh, * dirent can be found. */ *blocks_wanted = 1; - new_rec_len = le16_to_cpu(last_de->rec_len) + (dir->i_sb->s_blocksize - i_size_read(dir)); + new_rec_len = le16_to_cpu(last_de->rec_len) + free_space; if (new_rec_len < (rec_len + OCFS2_DIR_REC_LEN(last_de->name_len))) *blocks_wanted = 2; @@ -1707,6 +1869,7 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, struct ocfs2_dir_entry *de; struct super_block *sb = dir->i_sb; int status; + int blocksize = dir->i_sb->s_blocksize; status = ocfs2_read_dir_block(dir, 0, &bh, 0); if (status) { @@ -1748,6 +1911,11 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = -EEXIST; goto bail; } + + if (ocfs2_skip_dir_trailer(dir, de, offset % blocksize, + blocksize)) + goto next; + if (ocfs2_dirent_would_fit(de, rec_len)) { /* Ok, we found a spot. Return this bh and let * the caller actually fill it in. */ @@ -1756,6 +1924,7 @@ static int ocfs2_find_dir_space_el(struct inode *dir, const char *name, status = 0; goto bail; } +next: offset += le16_to_cpu(de->rec_len); de = (struct ocfs2_dir_entry *)((char *) de + le16_to_cpu(de->rec_len)); } diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index bad87d0..ad5c24a 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -470,6 +470,9 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb) #define OCFS2_IS_VALID_XATTR_BLOCK(ptr) \ (!strcmp((ptr)->xb_signature, OCFS2_XATTR_BLOCK_SIGNATURE)) +#define OCFS2_IS_VALID_DIR_TRAILER(ptr) \ + (!strcmp((ptr)->db_signature, OCFS2_DIR_TRAILER_SIGNATURE)) + static inline unsigned long ino_from_blkno(struct super_block *sb, u64 blkno) { diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 290fa26..af0013b 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -65,6 +65,7 @@ #define OCFS2_EXTENT_BLOCK_SIGNATURE "EXBLK01" #define OCFS2_GROUP_DESC_SIGNATURE "GROUP01" #define OCFS2_XATTR_BLOCK_SIGNATURE "XATTR01" +#define OCFS2_DIR_TRAILER_SIGNATURE "DIRTRL1" /* Compatibility flags */ #define OCFS2_HAS_COMPAT_FEATURE(sb,mask) \ @@ -752,6 +753,34 @@ struct ocfs2_dir_entry { } __attribute__ ((packed)); /* + * Per-block record for the unindexed directory btree. This is carefully + * crafted so that the rec_len and name_len records of an ocfs2_dir_entry are + * mirrored. That way, the directory manipulation code needs a minimal amount + * of update. + * + * NOTE: Keep this structure aligned to a multiple of 4 bytes. + */ +struct ocfs2_dir_block_trailer { +/*00*/ __le64 db_compat_inode; /* Always zero. Was inode */ + + __le16 db_compat_rec_len; /* Backwards compatible with + * ocfs2_dir_entry. */ + __u8 db_compat_name_len; /* Always zero. Was name_len */ + __u8 db_reserved0; + __le16 db_reserved1; + __le16 db_free_rec_len; /* Size of largest empty hole + * in this block. (unused) */ +/*10*/ __u8 db_signature[8]; /* Signature for verification */ + __le64 db_reserved2; + __le64 db_free_next; /* Next block in list (unused) */ +/*20*/ __le64 db_blkno; /* Offset on disk, in blocks */ + __le64 db_parent_dinode; /* dinode which owns me, in + blocks */ +/*30*/ __le64 db_check; /* Error checking */ +/*40*/ +}; + +/* * On disk allocator group structure for OCFS2 */ struct ocfs2_group_desc -- cgit v0.10.2 From c175a518b4a1d514483abf61813ce5d855917164 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Wed, 10 Dec 2008 17:58:22 -0800 Subject: ocfs2: Checksum and ECC for directory blocks. Use the db_check field of ocfs2_dir_block_trailer to crc/ecc the dirblocks. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 1efd0ab..f2c4098 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -48,6 +48,7 @@ #include "ocfs2.h" #include "alloc.h" +#include "blockcheck.h" #include "dir.h" #include "dlmglue.h" #include "extent_map.h" @@ -107,6 +108,17 @@ static inline unsigned int ocfs2_dir_trailer_blk_off(struct super_block *sb) #define ocfs2_trailer_from_bh(_bh, _sb) ((struct ocfs2_dir_block_trailer *) ((_bh)->b_data + ocfs2_dir_trailer_blk_off((_sb)))) +/* XXX ocfs2_block_dqtrailer() is similar but not quite - can we make + * them more consistent? */ +struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize, + void *data) +{ + char *p = data; + + p += blocksize - sizeof(struct ocfs2_dir_block_trailer); + return (struct ocfs2_dir_block_trailer *)p; +} + /* * XXX: This is executed once on every dirent. We should consider optimizing * it. @@ -268,14 +280,35 @@ out: static int ocfs2_validate_dir_block(struct super_block *sb, struct buffer_head *bh) { + int rc; + struct ocfs2_dir_block_trailer *trailer = + ocfs2_trailer_from_bh(bh, sb); + + /* - * Nothing yet. We don't validate dirents here, that's handled + * We don't validate dirents here, that's handled * in-place when the code walks them. */ mlog(0, "Validating dirblock %llu\n", (unsigned long long)bh->b_blocknr); - return 0; + BUG_ON(!buffer_uptodate(bh)); + + /* + * If the ecc fails, we return the error but otherwise + * leave the filesystem running. We know any error is + * local to this block. + * + * Note that we are safe to call this even if the directory + * doesn't have a trailer. Filesystems without metaecc will do + * nothing, and filesystems with it will have one. + */ + rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &trailer->db_check); + if (rc) + mlog(ML_ERROR, "Checksum failed for dinode %llu\n", + (unsigned long long)bh->b_blocknr); + + return rc; } /* diff --git a/fs/ocfs2/dir.h b/fs/ocfs2/dir.h index ce48b90..c511e2e 100644 --- a/fs/ocfs2/dir.h +++ b/fs/ocfs2/dir.h @@ -83,4 +83,6 @@ int ocfs2_fill_new_dir(struct ocfs2_super *osb, struct buffer_head *fe_bh, struct ocfs2_alloc_context *data_ac); +struct ocfs2_dir_block_trailer *ocfs2_dir_trailer_from_size(int blocksize, + void *data); #endif /* OCFS2_DIR_H */ diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 3b54dba..57d7d25 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -415,6 +415,26 @@ static void ocfs2_dq_commit_trigger(struct jbd2_buffer_trigger_type *triggers, ocfs2_block_check_compute(data, size, &dqt->dq_check); } +/* + * Directory blocks also have their own trigger because the + * struct ocfs2_block_check offset depends on the blocksize. + */ +static void ocfs2_db_commit_trigger(struct jbd2_buffer_trigger_type *triggers, + struct buffer_head *bh, + void *data, size_t size) +{ + struct ocfs2_dir_block_trailer *trailer = + ocfs2_dir_trailer_from_size(size, data); + + /* + * We aren't guaranteed to have the superblock here, so we + * must unconditionally compute the ecc data. + * __ocfs2_journal_access() will only set the triggers if + * metaecc is enabled. + */ + ocfs2_block_check_compute(data, size, &trailer->db_check); +} + static void ocfs2_abort_trigger(struct jbd2_buffer_trigger_type *triggers, struct buffer_head *bh) { @@ -454,6 +474,13 @@ static struct ocfs2_triggers gd_triggers = { .ot_offset = offsetof(struct ocfs2_group_desc, bg_check), }; +static struct ocfs2_triggers db_triggers = { + .ot_triggers = { + .t_commit = ocfs2_db_commit_trigger, + .t_abort = ocfs2_abort_trigger, + }, +}; + static struct ocfs2_triggers xb_triggers = { .ot_triggers = { .t_commit = ocfs2_commit_trigger, @@ -555,8 +582,8 @@ int ocfs2_journal_access_gd(handle_t *handle, struct inode *inode, int ocfs2_journal_access_db(handle_t *handle, struct inode *inode, struct buffer_head *bh, int type) { - /* Right now, nothing for dirblocks */ - return __ocfs2_journal_access(handle, inode, bh, NULL, type); + return __ocfs2_journal_access(handle, inode, bh, &db_triggers, + type); } int ocfs2_journal_access_xb(handle_t *handle, struct inode *inode, diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index af0013b..698ef3d 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -776,7 +776,7 @@ struct ocfs2_dir_block_trailer { /*20*/ __le64 db_blkno; /* Offset on disk, in blocks */ __le64 db_parent_dinode; /* dinode which owns me, in blocks */ -/*30*/ __le64 db_check; /* Error checking */ +/*30*/ struct ocfs2_block_check db_check; /* Error checking */ /*40*/ }; -- cgit v0.10.2 From d030cc978e9e636dc39ce9a9e8282d48698a3b30 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 11 Dec 2008 15:04:14 -0800 Subject: ocfs2: Validate superblock with checksum and ecc. The superblock is read via a raw call. Validate it after we find it from its signature. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 2eb657c..43ed113 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -52,6 +52,7 @@ #include "ocfs1_fs_compat.h" #include "alloc.h" +#include "blockcheck.h" #include "dlmglue.h" #include "export.h" #include "extent_map.h" @@ -1989,6 +1990,15 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di, if (memcmp(di->i_signature, OCFS2_SUPER_BLOCK_SIGNATURE, strlen(OCFS2_SUPER_BLOCK_SIGNATURE)) == 0) { + /* We have to do a raw check of the feature here */ + if (le32_to_cpu(di->id2.i_super.s_feature_incompat) & + OCFS2_FEATURE_INCOMPAT_META_ECC) { + status = ocfs2_block_check_validate(bh->b_data, + bh->b_size, + &di->i_check); + if (status) + goto out; + } status = -EINVAL; if ((1 << le32_to_cpu(di->id2.i_super.s_blocksize_bits)) != blksz) { mlog(ML_ERROR, "found superblock with incorrect block " @@ -2030,6 +2040,7 @@ static int ocfs2_verify_volume(struct ocfs2_dinode *di, } } +out: mlog_exit(status); return status; } -- cgit v0.10.2 From 9d28cfb73f3abccce001daf2d247b16bf20e2248 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Thu, 16 Oct 2008 17:53:29 -0700 Subject: ocfs2: Enable metadata checksums. Add OCFS2_FEATURE_INCOMPAT_META_ECC to the list of supported features. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h index 698ef3d..c7ae45a 100644 --- a/fs/ocfs2/ocfs2_fs.h +++ b/fs/ocfs2/ocfs2_fs.h @@ -94,7 +94,8 @@ | OCFS2_FEATURE_INCOMPAT_INLINE_DATA \ | OCFS2_FEATURE_INCOMPAT_EXTENDED_SLOT_MAP \ | OCFS2_FEATURE_INCOMPAT_USERSPACE_STACK \ - | OCFS2_FEATURE_INCOMPAT_XATTR) + | OCFS2_FEATURE_INCOMPAT_XATTR \ + | OCFS2_FEATURE_INCOMPAT_META_ECC) #define OCFS2_FEATURE_RO_COMPAT_SUPP (OCFS2_FEATURE_RO_COMPAT_UNWRITTEN \ | OCFS2_FEATURE_RO_COMPAT_USRQUOTA \ | OCFS2_FEATURE_RO_COMPAT_GRPQUOTA) -- cgit v0.10.2 From e798b3f8a920c82a8e556dd54df97f0d3d0f9144 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 15 Dec 2008 17:13:48 -0800 Subject: ocfs2: Don't hand-code xor in ocfs2_hamming_encode(). When I wrote ocfs2_hamming_encode(), I was following documentation of the algorithm and didn't have quite the (possibly still imperfect) grasp of it I do now. As part of this, I literally hand-coded xor. I would test a bit, and then add that bit via xor to the parity word. I can, of course, just do a single xor of the parity word and the source word (the code buffer bit offset). This cuts CPU usage by 53% on a mostly populated buffer (an inode containing utmp.h inline). Joel Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c index 2ce6ae5..1d5083c 100644 --- a/fs/ocfs2/blockcheck.c +++ b/fs/ocfs2/blockcheck.c @@ -31,7 +31,6 @@ #include "blockcheck.h" - /* * We use the following conventions: * @@ -39,26 +38,6 @@ * p = # parity bits * c = # total code bits (d + p) */ -static int calc_parity_bits(unsigned int d) -{ - unsigned int p; - - /* - * Bits required for Single Error Correction is as follows: - * - * d + p + 1 <= 2^p - * - * We're restricting ourselves to 31 bits of parity, that should be - * sufficient. - */ - for (p = 1; p < 32; p++) - { - if ((d + p + 1) <= (1 << p)) - return p; - } - - return 0; -} /* * Calculate the bit offset in the hamming code buffer based on the bit's @@ -109,10 +88,9 @@ static unsigned int calc_code_bit(unsigned int i) */ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr) { - unsigned int p = calc_parity_bits(nr + d); - unsigned int i, j, b; + unsigned int i, b; - BUG_ON(!p); + BUG_ON(!d); /* * b is the hamming code bit number. Hamming code specifies a @@ -131,27 +109,23 @@ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr */ b = calc_code_bit(nr + i); - for (j = 0; j < p; j++) - { - /* - * Data bits in the resultant code are checked by - * parity bits that are part of the bit number - * representation. Huh? - * - * - * In other words, the parity bit at position 2^k - * checks bits in positions having bit k set in - * their binary representation. Conversely, for - * instance, bit 13, i.e. 1101(2), is checked by - * bits 1000(2) = 8, 0100(2)=4 and 0001(2) = 1. - * - * - * Note that 'k' is the _code_ bit number. 'b' in - * our loop. - */ - if (b & (1 << j)) - parity ^= (1 << j); - } + /* + * Data bits in the resultant code are checked by + * parity bits that are part of the bit number + * representation. Huh? + * + * + * In other words, the parity bit at position 2^k + * checks bits in positions having bit k set in + * their binary representation. Conversely, for + * instance, bit 13, i.e. 1101(2), is checked by + * bits 1000(2) = 8, 0100(2)=4 and 0001(2) = 1. + * + * + * Note that 'k' is the _code_ bit number. 'b' in + * our loop. + */ + parity ^= b; } /* While the data buffer was treated as little endian, the @@ -174,10 +148,9 @@ u32 ocfs2_hamming_encode_block(void *data, unsigned int blocksize) void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, unsigned int fix) { - unsigned int p = calc_parity_bits(nr + d); unsigned int i, b; - BUG_ON(!p); + BUG_ON(!d); /* * If the bit to fix has an hweight of 1, it's a parity bit. One -- cgit v0.10.2 From 7bb458a58588f397068e4166c615e9fcc7480c16 Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Mon, 15 Dec 2008 18:24:33 -0800 Subject: ocfs2: Another hamming code optimization. In the calc_code_bit() function, we must find all powers of two beneath the code bit number, *after* it's shifted by those powers of two. This requires a loop to see where it ends up. We can optimize it by starting at its most significant bit. This shaves 32% off the time, for a total of 67.6% shaved off of the original, naive implementation. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c index 1d5083c..f102ec9 100644 --- a/fs/ocfs2/blockcheck.c +++ b/fs/ocfs2/blockcheck.c @@ -39,6 +39,35 @@ * c = # total code bits (d + p) */ + +/* + * Find the log base 2 of 32-bit v. + * + * Algorithm found on http://graphics.stanford.edu/~seander/bithacks.html, + * by Sean Eron Anderson. Code on the page is in the public domain unless + * otherwise noted. + * + * This particular algorithm is credited to Eric Cole. + */ +static int find_highest_bit_set(unsigned int v) +{ + + static const int MultiplyDeBruijnBitPosition[32] = + { + 0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8, + 31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9 + }; + + v |= v >> 1; /* first round down to power of 2 */ + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v = (v >> 1) + 1; + + return MultiplyDeBruijnBitPosition[(u32)(v * 0x077CB531UL) >> 27]; +} + /* * Calculate the bit offset in the hamming code buffer based on the bit's * offset in the data buffer. Since the hamming code reserves all @@ -64,12 +93,21 @@ static unsigned int calc_code_bit(unsigned int i) b = i + 1; /* + * As a cheat, we know that all bits below b's highest bit must be + * parity bits, so we can start there. + */ + p = find_highest_bit_set(b); + b += p; + + /* * For every power of two below our bit number, bump our bit. * * We compare with (b + 1) becuase we have to compare with what b * would be _if_ it were bumped up by the parity bit. Capice? + * + * We start p at 2^p because of the cheat above. */ - for (p = 0; (1 << p) < (b + 1); p++) + for (p = (1 << p); p < (b + 1); p <<= 1) b++; return b; -- cgit v0.10.2 From 58896c4d0e5868360ea0693c607d5bf74f79da6b Mon Sep 17 00:00:00 2001 From: Joel Becker Date: Tue, 16 Dec 2008 13:54:40 -0800 Subject: ocfs2: One more hamming code optimization. The previous optimization used a fast find-highest-bit-set operation to give us a good starting point in calc_code_bit(). This version lets the caller cache the previous code buffer bit offset. Thus, the next call always starts where the last one left off. This reduces the calculation another 39%, for a total 80% reduction from the original, naive implementation. At least, on my machine. This also brings the parity calculation to within an order of magnitude of the crc32 calculation. Signed-off-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/blockcheck.c b/fs/ocfs2/blockcheck.c index f102ec9..2a947c4 100644 --- a/fs/ocfs2/blockcheck.c +++ b/fs/ocfs2/blockcheck.c @@ -41,34 +41,6 @@ /* - * Find the log base 2 of 32-bit v. - * - * Algorithm found on http://graphics.stanford.edu/~seander/bithacks.html, - * by Sean Eron Anderson. Code on the page is in the public domain unless - * otherwise noted. - * - * This particular algorithm is credited to Eric Cole. - */ -static int find_highest_bit_set(unsigned int v) -{ - - static const int MultiplyDeBruijnBitPosition[32] = - { - 0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8, - 31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9 - }; - - v |= v >> 1; /* first round down to power of 2 */ - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v = (v >> 1) + 1; - - return MultiplyDeBruijnBitPosition[(u32)(v * 0x077CB531UL) >> 27]; -} - -/* * Calculate the bit offset in the hamming code buffer based on the bit's * offset in the data buffer. Since the hamming code reserves all * power-of-two bits for parity, the data bit number and the code bit @@ -81,10 +53,14 @@ static int find_highest_bit_set(unsigned int v) * so it's a parity bit. 2 is a power of two (2^1), so it's a parity bit. * 3 is not a power of two. So bit 1 of the data buffer ends up as bit 3 * in the code buffer. + * + * The caller can pass in *p if it wants to keep track of the most recent + * number of parity bits added. This allows the function to start the + * calculation at the last place. */ -static unsigned int calc_code_bit(unsigned int i) +static unsigned int calc_code_bit(unsigned int i, unsigned int *p_cache) { - unsigned int b, p; + unsigned int b, p = 0; /* * Data bits are 0-based, but we're talking code bits, which @@ -92,24 +68,25 @@ static unsigned int calc_code_bit(unsigned int i) */ b = i + 1; - /* - * As a cheat, we know that all bits below b's highest bit must be - * parity bits, so we can start there. - */ - p = find_highest_bit_set(b); + /* Use the cache if it is there */ + if (p_cache) + p = *p_cache; b += p; /* * For every power of two below our bit number, bump our bit. * - * We compare with (b + 1) becuase we have to compare with what b + * We compare with (b + 1) because we have to compare with what b * would be _if_ it were bumped up by the parity bit. Capice? * - * We start p at 2^p because of the cheat above. + * p is set above. */ - for (p = (1 << p); p < (b + 1); p <<= 1) + for (; (1 << p) < (b + 1); p++) b++; + if (p_cache) + *p_cache = p; + return b; } @@ -126,7 +103,7 @@ static unsigned int calc_code_bit(unsigned int i) */ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr) { - unsigned int i, b; + unsigned int i, b, p = 0; BUG_ON(!d); @@ -145,7 +122,7 @@ u32 ocfs2_hamming_encode(u32 parity, void *data, unsigned int d, unsigned int nr * i is the offset in this hunk, nr + i is the total bit * offset. */ - b = calc_code_bit(nr + i); + b = calc_code_bit(nr + i, &p); /* * Data bits in the resultant code are checked by @@ -201,7 +178,7 @@ void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, * nr + d is the bit right past the data hunk we're looking at. * If fix after that, nothing to do */ - if (fix >= calc_code_bit(nr + d)) + if (fix >= calc_code_bit(nr + d, NULL)) return; /* @@ -209,7 +186,7 @@ void ocfs2_hamming_fix(void *data, unsigned int d, unsigned int nr, * start b at the offset in the code buffer. See hamming_encode() * for a more detailed description of 'b'. */ - b = calc_code_bit(nr); + b = calc_code_bit(nr, NULL); /* If the fix is before this hunk, nothing to do */ if (fix < b) return; -- cgit v0.10.2 From 2b83256407687613e906bee93d98a25339128a4d Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Tue, 16 Dec 2008 15:49:19 -0800 Subject: ocfs2/dlm: Fix a race between migrate request and exit domain Patch address a racing migrate request message and an exit domain message. Instead of blocking exit domains for the duration of the migrate, we ignore failure to deliver that message. This is because an exiting domain should not have any active locks and thus has no role to play in the migration. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 44f87ca..92fd1d7 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -2949,7 +2949,7 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm, struct dlm_node_iter *iter) { struct dlm_migrate_request migrate; - int ret, status = 0; + int ret, skip, status = 0; int nodenum; memset(&migrate, 0, sizeof(migrate)); @@ -2966,12 +2966,27 @@ static int dlm_do_migrate_request(struct dlm_ctxt *dlm, nodenum == new_master) continue; + /* We could race exit domain. If exited, skip. */ + spin_lock(&dlm->spinlock); + skip = (!test_bit(nodenum, dlm->domain_map)); + spin_unlock(&dlm->spinlock); + if (skip) { + clear_bit(nodenum, iter->node_map); + continue; + } + ret = o2net_send_message(DLM_MIGRATE_REQUEST_MSG, dlm->key, &migrate, sizeof(migrate), nodenum, &status); - if (ret < 0) - mlog_errno(ret); - else if (status < 0) { + if (ret < 0) { + mlog(0, "migrate_request returned %d!\n", ret); + if (!dlm_is_host_down(ret)) { + mlog(ML_ERROR, "unhandled error=%d!\n", ret); + BUG(); + } + clear_bit(nodenum, iter->node_map); + ret = 0; + } else if (status < 0) { mlog(0, "migrate request (node %u) returned %d!\n", nodenum, status); ret = status; -- cgit v0.10.2 From 57dff2676eb68d805883a2204faaa5339ac44e03 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Tue, 16 Dec 2008 15:49:20 -0800 Subject: ocfs2/dlm: Clean up errors in dlm_proxy_ast_handler() Patch cleans printed errors in dlm_proxy_ast_handler(). The errors now includes the node number that sent the (b)ast. Also it reduces the number of endian swaps of the cookie. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c index 644bee5..d07ddbe 100644 --- a/fs/ocfs2/dlm/dlmast.c +++ b/fs/ocfs2/dlm/dlmast.c @@ -275,6 +275,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, struct list_head *iter, *head=NULL; u64 cookie; u32 flags; + u8 node; if (!dlm_grab(dlm)) { dlm_error(DLM_REJECTED); @@ -286,18 +287,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, name = past->name; locklen = past->namelen; - cookie = be64_to_cpu(past->cookie); + cookie = past->cookie; flags = be32_to_cpu(past->flags); + node = past->node_idx; if (locklen > DLM_LOCKID_NAME_MAX) { ret = DLM_IVBUFLEN; - mlog(ML_ERROR, "Invalid name length in proxy ast handler!\n"); + mlog(ML_ERROR, "Invalid name length (%d) in proxy ast " + "handler!\n", locklen); goto leave; } if ((flags & (LKM_PUT_LVB|LKM_GET_LVB)) == (LKM_PUT_LVB|LKM_GET_LVB)) { - mlog(ML_ERROR, "both PUT and GET lvb specified\n"); + mlog(ML_ERROR, "Both PUT and GET lvb specified, (0x%x)\n", + flags); ret = DLM_BADARGS; goto leave; } @@ -310,22 +314,21 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, if (past->type != DLM_AST && past->type != DLM_BAST) { mlog(ML_ERROR, "Unknown ast type! %d, cookie=%u:%llu" - "name=%.*s\n", past->type, - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name); + "name=%.*s, node=%u\n", past->type, + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_IVLOCKID; goto leave; } res = dlm_lookup_lockres(dlm, name, locklen); if (!res) { - mlog(0, "got %sast for unknown lockres! " - "cookie=%u:%llu, name=%.*s, namelen=%u\n", - past->type == DLM_AST ? "" : "b", - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name, locklen); + mlog(0, "Got %sast for unknown lockres! cookie=%u:%llu, " + "name=%.*s, node=%u\n", (past->type == DLM_AST ? "" : "b"), + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_IVLOCKID; goto leave; } @@ -337,12 +340,12 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, spin_lock(&res->spinlock); if (res->state & DLM_LOCK_RES_RECOVERING) { - mlog(0, "responding with DLM_RECOVERING!\n"); + mlog(0, "Responding with DLM_RECOVERING!\n"); ret = DLM_RECOVERING; goto unlock_out; } if (res->state & DLM_LOCK_RES_MIGRATING) { - mlog(0, "responding with DLM_MIGRATING!\n"); + mlog(0, "Responding with DLM_MIGRATING!\n"); ret = DLM_MIGRATING; goto unlock_out; } @@ -351,7 +354,7 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, lock = NULL; list_for_each(iter, head) { lock = list_entry (iter, struct dlm_lock, list); - if (be64_to_cpu(lock->ml.cookie) == cookie) + if (lock->ml.cookie == cookie) goto do_ast; } @@ -363,15 +366,15 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, list_for_each(iter, head) { lock = list_entry (iter, struct dlm_lock, list); - if (be64_to_cpu(lock->ml.cookie) == cookie) + if (lock->ml.cookie == cookie) goto do_ast; } - mlog(0, "got %sast for unknown lock! cookie=%u:%llu, " - "name=%.*s, namelen=%u\n", past->type == DLM_AST ? "" : "b", - dlm_get_lock_cookie_node(cookie), - dlm_get_lock_cookie_seq(cookie), - locklen, name, locklen); + mlog(0, "Got %sast for unknown lock! cookie=%u:%llu, name=%.*s, " + "node=%u\n", past->type == DLM_AST ? "" : "b", + dlm_get_lock_cookie_node(be64_to_cpu(cookie)), + dlm_get_lock_cookie_seq(be64_to_cpu(cookie)), + locklen, name, node); ret = DLM_NORMAL; unlock_out: @@ -383,8 +386,8 @@ do_ast: if (past->type == DLM_AST) { /* do not alter lock refcount. switching lists. */ list_move_tail(&lock->list, &res->granted); - mlog(0, "ast: adding to granted list... type=%d, " - "convert_type=%d\n", lock->ml.type, lock->ml.convert_type); + mlog(0, "ast: Adding to granted list... type=%d, " + "convert_type=%d\n", lock->ml.type, lock->ml.convert_type); if (lock->ml.convert_type != LKM_IVMODE) { lock->ml.type = lock->ml.convert_type; lock->ml.convert_type = LKM_IVMODE; @@ -408,7 +411,6 @@ do_ast: dlm_do_local_bast(dlm, res, lock, past->blocked_type); leave: - if (res) dlm_lockres_put(res); -- cgit v0.10.2 From d4f7e650e55af6b235871126f747da88600e8040 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Tue, 16 Dec 2008 15:49:21 -0800 Subject: ocfs2/dlm: Hold off sending lockres drop ref message while lockres is migrating During lockres purge, o2dlm sends a drop reference message to the lockres master. This patch delays the message if the lockres is being migrated. Fixes oss bugzilla#1012 http://oss.oracle.com/bugzilla/show_bug.cgi?id=1012 Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c index 4060bb3..d129520 100644 --- a/fs/ocfs2/dlm/dlmthread.c +++ b/fs/ocfs2/dlm/dlmthread.c @@ -181,7 +181,8 @@ static int dlm_purge_lockres(struct dlm_ctxt *dlm, spin_lock(&res->spinlock); /* This ensures that clear refmap is sent after the set */ - __dlm_wait_on_lockres_flags(res, DLM_LOCK_RES_SETREF_INPROG); + __dlm_wait_on_lockres_flags(res, (DLM_LOCK_RES_SETREF_INPROG | + DLM_LOCK_RES_MIGRATING)); spin_unlock(&res->spinlock); /* clear our bit from the master's refmap, ignore errors */ -- cgit v0.10.2 From b0d4f817ba5de8adb875ace594554a96d7737710 Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Tue, 16 Dec 2008 15:49:22 -0800 Subject: ocfs2/dlm: Fix race in adding/removing lockres' to/from the tracking list This patch adds a new lock, dlm->tracking_lock, to protect adding/removing lockres' to/from the dlm->tracking_list. We were previously using dlm->spinlock for the same, but that proved inadequate as we could be freeing a lockres from a context that did not hold that lock. As the new lock only protects this list, we can explicitly take it when removing the lockres from the tracking list. This bug was exposed when testing multiple processes concurrently flock() the same file. Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlm/dlmcommon.h b/fs/ocfs2/dlm/dlmcommon.h index d5a86fb..bb53714 100644 --- a/fs/ocfs2/dlm/dlmcommon.h +++ b/fs/ocfs2/dlm/dlmcommon.h @@ -140,6 +140,7 @@ struct dlm_ctxt unsigned int purge_count; spinlock_t spinlock; spinlock_t ast_lock; + spinlock_t track_lock; char *name; u8 node_num; u32 key; @@ -316,6 +317,8 @@ struct dlm_lock_resource * put on a list for the dlm thread to run. */ unsigned long last_used; + struct dlm_ctxt *dlm; + unsigned migration_pending:1; atomic_t asts_reserved; spinlock_t spinlock; diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c index 1b81dcb..b32f60a 100644 --- a/fs/ocfs2/dlm/dlmdebug.c +++ b/fs/ocfs2/dlm/dlmdebug.c @@ -630,43 +630,38 @@ static void *lockres_seq_start(struct seq_file *m, loff_t *pos) { struct debug_lockres *dl = m->private; struct dlm_ctxt *dlm = dl->dl_ctxt; + struct dlm_lock_resource *oldres = dl->dl_res; struct dlm_lock_resource *res = NULL; + struct list_head *track_list; - spin_lock(&dlm->spinlock); + spin_lock(&dlm->track_lock); + if (oldres) + track_list = &oldres->tracking; + else + track_list = &dlm->tracking_list; - if (dl->dl_res) { - list_for_each_entry(res, &dl->dl_res->tracking, tracking) { - if (dl->dl_res) { - dlm_lockres_put(dl->dl_res); - dl->dl_res = NULL; - } - if (&res->tracking == &dlm->tracking_list) { - mlog(0, "End of list found, %p\n", res); - dl = NULL; - break; - } + list_for_each_entry(res, track_list, tracking) { + if (&res->tracking == &dlm->tracking_list) + res = NULL; + else dlm_lockres_get(res); - dl->dl_res = res; - break; - } - } else { - if (!list_empty(&dlm->tracking_list)) { - list_for_each_entry(res, &dlm->tracking_list, tracking) - break; - dlm_lockres_get(res); - dl->dl_res = res; - } else - dl = NULL; + break; } + spin_unlock(&dlm->track_lock); - if (dl) { - spin_lock(&dl->dl_res->spinlock); - dump_lockres(dl->dl_res, dl->dl_buf, dl->dl_len - 1); - spin_unlock(&dl->dl_res->spinlock); - } + if (oldres) + dlm_lockres_put(oldres); - spin_unlock(&dlm->spinlock); + dl->dl_res = res; + + if (res) { + spin_lock(&res->spinlock); + dump_lockres(res, dl->dl_buf, dl->dl_len - 1); + spin_unlock(&res->spinlock); + } else + dl = NULL; + /* passed to seq_show */ return dl; } diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 63f8125..d8d578f 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -1550,6 +1550,7 @@ static struct dlm_ctxt *dlm_alloc_ctxt(const char *domain, spin_lock_init(&dlm->spinlock); spin_lock_init(&dlm->master_lock); spin_lock_init(&dlm->ast_lock); + spin_lock_init(&dlm->track_lock); INIT_LIST_HEAD(&dlm->list); INIT_LIST_HEAD(&dlm->dirty_list); INIT_LIST_HEAD(&dlm->reco.resources); diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 92fd1d7..cbf3abe 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -505,8 +505,10 @@ void dlm_change_lockres_owner(struct dlm_ctxt *dlm, static void dlm_lockres_release(struct kref *kref) { struct dlm_lock_resource *res; + struct dlm_ctxt *dlm; res = container_of(kref, struct dlm_lock_resource, refs); + dlm = res->dlm; /* This should not happen -- all lockres' have a name * associated with them at init time. */ @@ -515,6 +517,7 @@ static void dlm_lockres_release(struct kref *kref) mlog(0, "destroying lockres %.*s\n", res->lockname.len, res->lockname.name); + spin_lock(&dlm->track_lock); if (!list_empty(&res->tracking)) list_del_init(&res->tracking); else { @@ -522,6 +525,9 @@ static void dlm_lockres_release(struct kref *kref) res->lockname.len, res->lockname.name); dlm_print_one_lock_resource(res); } + spin_unlock(&dlm->track_lock); + + dlm_put(dlm); if (!hlist_unhashed(&res->hash_node) || !list_empty(&res->granted) || @@ -595,6 +601,10 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm, res->migration_pending = 0; res->inflight_locks = 0; + /* put in dlm_lockres_release */ + dlm_grab(dlm); + res->dlm = dlm; + kref_init(&res->refs); /* just for consistency */ -- cgit v0.10.2 From 7b791d68562e4ce5ab57cbacb10a1ad4ee33956e Mon Sep 17 00:00:00 2001 From: Sunil Mushran Date: Tue, 16 Dec 2008 15:49:23 -0800 Subject: ocfs2/dlm: Fix race during lockres mastery dlm_get_lock_resource() is supposed to return a lock resource with a proper master. If multiple concurrent threads attempt to lookup the lockres for the same lockid while the lock mastery in underway, one or more threads are likely to return a lockres without a proper master. This patch makes the threads wait in dlm_get_lock_resource() while the mastery is underway, ensuring all threads return the lockres with a proper master. This issue is known to be limited to users using the flock() syscall. For all other fs operations, the ocfs2 dlmglue layer serializes the dlm op for each lockid. Users encountering this bug will see flock() return EINVAL and dmesg have the following error: ERROR: Dlm error "DLM_BADARGS" while calling dlmlock on resource : bad api args Reported-by: Coly Li Signed-off-by: Sunil Mushran Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index cbf3abe..54e182a 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -732,14 +732,21 @@ lookup: if (tmpres) { int dropping_ref = 0; + spin_unlock(&dlm->spinlock); + spin_lock(&tmpres->spinlock); + /* We wait for the other thread that is mastering the resource */ + if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) { + __dlm_wait_on_lockres(tmpres); + BUG_ON(tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN); + } + if (tmpres->owner == dlm->node_num) { BUG_ON(tmpres->state & DLM_LOCK_RES_DROPPING_REF); dlm_lockres_grab_inflight_ref(dlm, tmpres); } else if (tmpres->state & DLM_LOCK_RES_DROPPING_REF) dropping_ref = 1; spin_unlock(&tmpres->spinlock); - spin_unlock(&dlm->spinlock); /* wait until done messaging the master, drop our ref to allow * the lockres to be purged, start over. */ -- cgit v0.10.2 From 71d548a6af36fe98c95fbd0522147f842bd5f054 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 5 Dec 2008 06:20:54 +0800 Subject: ocfs2/xattr: Remove extend_trans call and add its credits from the beginning Actually, when setting a new xattr value, we know it from the very beginning, and it isn't like the extension of bucket in which case we can't figure it out. So remove ocfs2_extend_trans in that function and calculate it before the transaction. It also relieve acl operation from the worry about the side effect of ocfs2_extend_trans. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 17028aa..93a1ab4 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1169,7 +1169,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, const void *value, int value_len) { - int ret = 0, i, cp_len, credits; + int ret = 0, i, cp_len; u16 blocksize = inode->i_sb->s_blocksize; u32 p_cluster, num_clusters; u32 cpos = 0, bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1); @@ -1179,18 +1179,6 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode, BUG_ON(clusters > le32_to_cpu(xv->xr_clusters)); - /* - * In __ocfs2_xattr_set_value_outside has already been dirtied, - * so we don't need to worry about whether ocfs2_extend_trans - * will create a new transactio for us or not. - */ - credits = clusters * bpc; - ret = ocfs2_extend_trans(handle, credits); - if (ret) { - mlog_errno(ret); - goto out; - } - while (cpos < clusters) { ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster, &num_clusters, &xv->xr_list); @@ -2233,6 +2221,15 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, xi->value_len); u64 value_size; + /* + * Calculate the clusters we need to write. + * No matter whether we replace an old one or add a new one, + * we need this for writing. + */ + if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) + credits += new_clusters * + ocfs2_clusters_to_blocks(inode->i_sb, 1); + if (xis->not_found && xbs->not_found) { credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb); -- cgit v0.10.2 From 4b3f6209bf9eec46fe5ebb168718fef5c443c157 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 5 Dec 2008 06:20:55 +0800 Subject: ocfs2/xattr: Always updating ctime during xattr set. In xattr set, we should always update ctime if the operation goes sucessfully. The old one mistakenly put it in ocfs2_xattr_set_entry which is only called when we set xattr in inode or xattr block. The side benefit is that it resolve the bug 1052 since in that scenario, ocfs2_calc_xattr_set_need only calc out the xattr set credits while ocfs2_xattr_set_entry update the inode also which isn't concerned with the process of xattr set. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 93a1ab4..3e2e92d 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1651,10 +1651,6 @@ static int ocfs2_xattr_set_entry(struct inode *inode, oi->ip_dyn_features |= flag; di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features); spin_unlock(&oi->ip_lock); - /* Update inode ctime */ - inode->i_ctime = CURRENT_TIME; - di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); - di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); ret = ocfs2_journal_dirty(handle, xs->inode_bh); if (ret < 0) @@ -2574,6 +2570,20 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, } } + if (!ret) { + /* Update inode ctime. */ + ret = ocfs2_journal_access(ctxt->handle, inode, xis->inode_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out; + } + + inode->i_ctime = CURRENT_TIME; + di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); + di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); + ocfs2_journal_dirty(ctxt->handle, xis->inode_bh); + } out: return ret; } @@ -2750,6 +2760,8 @@ int ocfs2_xattr_set(struct inode *inode, goto cleanup; } + /* we need to update inode's ctime field, so add credit for it. */ + credits += OCFS2_INODE_UPDATE_CREDITS; ctxt.handle = ocfs2_start_trans(osb, credits); if (IS_ERR(ctxt.handle)) { ret = PTR_ERR(ctxt.handle); -- cgit v0.10.2 From 90cb546cada68bb8c2278afdb4b65c2ac11f2877 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Fri, 5 Dec 2008 06:20:56 +0800 Subject: ocfs2/xattr: fix credits calculation during index create When creating a xattr index block, the old calculation forget to add credits for the meta change of the alloc file. So add more credits and more comments to explain it. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3e2e92d..73fb9f7 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2359,13 +2359,21 @@ meta_guess: } else xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data; + /* + * If there is already an xattr tree, good, we can calculate + * like other b-trees. Otherwise we may have the chance of + * create a tree, the credit calculation is borrowed from + * ocfs2_calc_extend_credits with root_el = NULL. And the + * new tree will be cluster based, so no meta is needed. + */ if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) { struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list; meta_add += ocfs2_extend_meta_needed(el); credits += ocfs2_calc_extend_credits(inode->i_sb, el, 1); - } + } else + credits += OCFS2_SUBALLOC_ALLOC + 1; /* * This cluster will be used either for new bucket or for -- cgit v0.10.2 From 0e445b6fe93c723fe8093fd04ddfeb11ae2de082 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Tue, 9 Dec 2008 16:42:51 +0800 Subject: ocfs2: calculate and reserve credits for xattr value in mknod We extend the credits for xattr's large value in set_value_outside before, this can give rise to a credits issue when we set one security entry and two acl entries duing mknod. As we remove extend_trans form set_value_outside, we must calculate and reserve the credits for xattr's large value in mknod. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 73fb9f7..e5be470 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -490,9 +490,14 @@ int ocfs2_calc_security_init(struct inode *dir, } /* reserve clusters for xattr value which will be set in B tree*/ - if (si->value_len > OCFS2_XATTR_INLINE_SIZE) - *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, - si->value_len); + if (si->value_len > OCFS2_XATTR_INLINE_SIZE) { + int new_clusters = ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; + } return ret; } @@ -506,9 +511,7 @@ int ocfs2_calc_xattr_init(struct inode *dir, { int ret = 0; struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); - int s_size = 0; - int a_size = 0; - int acl_len = 0; + int s_size = 0, a_size = 0, acl_len = 0, new_clusters; if (si->enable) s_size = ocfs2_xattr_entry_real_size(strlen(si->name), @@ -556,16 +559,25 @@ int ocfs2_calc_xattr_init(struct inode *dir, *xattr_credits += ocfs2_blocks_per_xattr_bucket(dir->i_sb); } - /* reserve clusters for xattr value which will be set in B tree*/ - if (si->enable && si->value_len > OCFS2_XATTR_INLINE_SIZE) - *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, - si->value_len); + /* + * reserve credits and clusters for xattrs which has large value + * and have to be set outside + */ + if (si->enable && si->value_len > OCFS2_XATTR_INLINE_SIZE) { + new_clusters = ocfs2_clusters_for_bytes(dir->i_sb, + si->value_len); + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; + } if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL && acl_len > OCFS2_XATTR_INLINE_SIZE) { - *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, acl_len); - if (S_ISDIR(mode)) - *want_clusters += ocfs2_clusters_for_bytes(dir->i_sb, - acl_len); + /* for directory, it has DEFAULT and ACCESS two types of acls */ + new_clusters = (S_ISDIR(mode) ? 2 : 1) * + ocfs2_clusters_for_bytes(dir->i_sb, acl_len); + *xattr_credits += ocfs2_clusters_to_blocks(dir->i_sb, + new_clusters); + *want_clusters += new_clusters; } return ret; -- cgit v0.10.2 From 008aafaf0b4aa0476da483e3c6e3edbe951811ff Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Tue, 9 Dec 2008 16:43:08 +0800 Subject: ocfs2: alloc xattr bucket in ocfs2_xattr_set_handle In extreme situation, may need xattr bucket for setting security entry and acl entries during mknod. This only happens when block size is too small. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index e5be470..095b0bb 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -2611,9 +2611,7 @@ out: /* * This function only called duing creating inode * for init security/acl xattrs of the new inode. - * The xattrs could be put into ibody or extent block, - * xattr bucket would not be use in this case. - * transanction credits also be reserved in here. + * All transanction credits have been reserved in mknod. */ int ocfs2_xattr_set_handle(handle_t *handle, struct inode *inode, @@ -2653,6 +2651,19 @@ int ocfs2_xattr_set_handle(handle_t *handle, if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb))) return -EOPNOTSUPP; + /* + * In extreme situation, may need xattr bucket when + * block size is too small. And we have already reserved + * the credits for bucket in mknod. + */ + if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE) { + xbs.bucket = ocfs2_xattr_bucket_new(inode); + if (!xbs.bucket) { + mlog_errno(-ENOMEM); + return -ENOMEM; + } + } + xis.inode_bh = xbs.inode_bh = di_bh; di = (struct ocfs2_dinode *)di_bh->b_data; @@ -2672,6 +2683,7 @@ int ocfs2_xattr_set_handle(handle_t *handle, cleanup: up_write(&OCFS2_I(inode)->ip_xattr_sem); brelse(xbs.xattr_bh); + ocfs2_xattr_bucket_free(xbs.bucket); return ret; } -- cgit v0.10.2 From 38d59ef61c11cafc50a66787bdbbe80d58bbd9c0 Mon Sep 17 00:00:00 2001 From: Tiger Yang Date: Wed, 17 Dec 2008 10:22:56 +0800 Subject: ocfs2: Add xattr support checking in init_security We must check whether ocfs2 volume support xattr in init_security, if not support xattr and security is enable, would cause failure of mknod. Signed-off-by: Tiger Yang Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 095b0bb..e1d638a 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -5324,6 +5324,9 @@ int ocfs2_init_security_get(struct inode *inode, struct inode *dir, struct ocfs2_security_xattr_info *si) { + /* check whether ocfs2 support feature xattr */ + if (!ocfs2_supports_xattr(OCFS2_SB(dir->i_sb))) + return -EOPNOTSUPP; return security_inode_init_security(inode, dir, &si->name, &si->value, &si->value_len); } -- cgit v0.10.2 From a641dc2a5a1445eb4cb491080dfc41c42a9eb37d Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Wed, 24 Dec 2008 16:03:48 -0800 Subject: ocfs2: remove unneeded lvb casts dlmglue.c has lots of code which casts the return value of ocfs2_dlm_lvb(). This is pointless however, as ocfs2_dlm_lvb() returns void *. Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index b1c7591..f731ab4 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -115,8 +115,7 @@ static void ocfs2_dump_meta_lvb_info(u64 level, unsigned int line, struct ocfs2_lock_res *lockres) { - struct ocfs2_meta_lvb *lvb = - (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); mlog(level, "LVB information for %s (called from %s:%u):\n", lockres->l_name, function, line); @@ -1864,7 +1863,7 @@ static void __ocfs2_stuff_meta_lvb(struct inode *inode) mlog_entry_void(); - lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); /* * Invalidate the LVB of a deleted inode - this way other @@ -1916,7 +1915,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode) mlog_meta_lvb(0, lockres); - lvb = (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); /* We're safe here without the lockres lock... */ spin_lock(&oi->ip_lock); @@ -1951,8 +1950,7 @@ static void ocfs2_refresh_inode_from_lvb(struct inode *inode) static inline int ocfs2_meta_lvb_is_trustable(struct inode *inode, struct ocfs2_lock_res *lockres) { - struct ocfs2_meta_lvb *lvb = - (struct ocfs2_meta_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + struct ocfs2_meta_lvb *lvb = ocfs2_dlm_lvb(&lockres->l_lksb); if (lvb->lvb_version == OCFS2_LVB_VERSION && be32_to_cpu(lvb->lvb_igeneration) == inode->i_generation) @@ -3489,7 +3487,7 @@ static void ocfs2_set_qinfo_lvb(struct ocfs2_lock_res *lockres) mlog_entry_void(); - lvb = (struct ocfs2_qinfo_lvb *)ocfs2_dlm_lvb(&lockres->l_lksb); + lvb = ocfs2_dlm_lvb(&lockres->l_lksb); lvb->lvb_version = OCFS2_QINFO_LVB_VERSION; lvb->lvb_bgrace = cpu_to_be32(info->dqi_bgrace); lvb->lvb_igrace = cpu_to_be32(info->dqi_igrace); -- cgit v0.10.2 From dad7d975e4bd893c79fd122105b37b9a1776816a Mon Sep 17 00:00:00 2001 From: Mark Fasheh Date: Wed, 24 Dec 2008 16:33:08 -0800 Subject: ocfs2: use min_t in ocfs2_quota_read() This is preferred to min(). Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 444aa5a..6aff8f2 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -167,7 +167,7 @@ ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, len = i_size - off; toread = len; while (toread > 0) { - tocopy = min((size_t)(sb->s_blocksize - offset), toread); + tocopy = min_t(size_t, (sb->s_blocksize - offset), toread); bh = NULL; err = ocfs2_read_quota_block(gqinode, blk, &bh); if (err) { -- cgit v0.10.2 From 9047beabb8a396f0b18de1e4a9ab920cf92054af Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 5 Jan 2009 14:45:24 +0800 Subject: ocfs2: Access the right buffer_head in ocfs2_merge_rec_left. In commit "ocfs2: Use metadata-specific ocfs2_journal_access_*() functions", the wrong buffer_head is accessed. So change it to the right buffer_head. Signed-off-by: Tao Ma Acked-by: Joel Becker Signed-off-by: Mark Fasheh diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 874c0bd..54ff4c77 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -3402,8 +3402,8 @@ static int ocfs2_merge_rec_left(struct inode *inode, has_empty_extent = 1; } - ret = ocfs2_path_bh_journal_access(handle, inode, left_path, - path_num_items(left_path) - 1); + ret = ocfs2_path_bh_journal_access(handle, inode, right_path, + path_num_items(right_path) - 1); if (ret) { mlog_errno(ret); goto out; -- cgit v0.10.2 From 5b6f1eb97d462a45be3b30759758b5fdbb562c8c Mon Sep 17 00:00:00 2001 From: Alain Knaff Date: Mon, 10 Nov 2008 17:08:08 -0800 Subject: vfs: lseek(fd, 0, SEEK_CUR) race condition This patch fixes a race condition in lseek. While it is expected that unpredictable behaviour may result while repositioning the offset of a file descriptor concurrently with reading/writing to the same file descriptor, this should not happen when merely *reading* the file descriptor's offset. Unfortunately, the only portable way in Unix to read a file descriptor's offset is lseek(fd, 0, SEEK_CUR); however executing this concurrently with read/write may mess up the position. [with fixes from akpm] Signed-off-by: Alain Knaff Signed-off-by: Andrew Morton Signed-off-by: Al Viro diff --git a/fs/read_write.c b/fs/read_write.c index 969a6d9..5cc6924 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -50,6 +50,14 @@ generic_file_llseek_unlocked(struct file *file, loff_t offset, int origin) offset += inode->i_size; break; case SEEK_CUR: + /* + * Here we special-case the lseek(fd, 0, SEEK_CUR) + * position-querying operation. Avoid rewriting the "same" + * f_pos value back to the file because a concurrent read(), + * write() or lseek() might have altered it + */ + if (offset == 0) + return file->f_pos; offset += file->f_pos; break; } @@ -105,6 +113,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) offset += i_size_read(file->f_path.dentry->d_inode); break; case SEEK_CUR: + if (offset == 0) { + retval = file->f_pos; + goto out; + } offset += file->f_pos; } retval = -EINVAL; @@ -115,6 +127,7 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin) } retval = offset; } +out: unlock_kernel(); return retval; } -- cgit v0.10.2 From 7f5ff766a7babd72fc192125e12ef5570effff4c Mon Sep 17 00:00:00 2001 From: Dmitri Monakhov Date: Mon, 1 Dec 2008 14:34:56 -0800 Subject: kill suid bit only for regular files We don't have to do it because it is useless for non regular files. In fact block device may trigger this path without dentry->d_inode->i_mutex. (akpm: concerns were expressed (by me) about S_ISDIR inodes) Signed-off-by: Dmitri Monakhov Signed-off-by: Andrew Morton Signed-off-by: Al Viro diff --git a/mm/filemap.c b/mm/filemap.c index f3e5f89..ed53ce8 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1766,7 +1766,7 @@ int should_remove_suid(struct dentry *dentry) if (unlikely((mode & S_ISGID) && (mode & S_IXGRP))) kill |= ATTR_KILL_SGID; - if (unlikely(kill && !capable(CAP_FSETID))) + if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode))) return kill; return 0; -- cgit v0.10.2 From c765d479037808532310212e9b3fa95760e975f2 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 4 Dec 2008 09:50:55 -0500 Subject: affs: do not zero ->i_op it is already set to empty table and should never be NULL Signed-off-by: Al Viro diff --git a/fs/affs/inode.c b/fs/affs/inode.c index 415d9c6..3c4ec7d 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -119,8 +119,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino) goto bad_inode; #else inode->i_mode |= S_IFDIR; - inode->i_op = NULL; - inode->i_fop = NULL; + /* ... and leave ->i_op and ->i_fop pointing to empty */ break; #endif case ST_LINKFILE: -- cgit v0.10.2 From 261964c60ff6524076d439da9386d4782729c4d9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 4 Dec 2008 09:57:25 -0500 Subject: isofs check for NULL ->i_op in root directory is dead code for one thing it never happens, for another we check that inode is a directory right after that place anyway (and we'd already checked that reading it from disk has not failed). Signed-off-by: Al Viro diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index 3f8af0f..6147ec3 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -855,10 +855,6 @@ root_found: } sbi->s_joliet_level = joliet_level; - /* check the root inode */ - if (!inode->i_op) - goto out_bad_root; - /* Make sure the root inode is a directory */ if (!S_ISDIR(inode->i_mode)) { printk(KERN_WARNING @@ -886,8 +882,6 @@ root_found: /* * Display error messages and free resources. */ -out_bad_root: - printk(KERN_WARNING "%s: root inode not initialized\n", __func__); out_iput: iput(inode); goto out_no_inode; -- cgit v0.10.2 From 9742df331deb3fce95b321f38d4ea0c4e75edb63 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 4 Dec 2008 09:59:23 -0500 Subject: ntfs: don't NULL i_op it's already set to empty table (and no, ntfs doesn't have any explicit checks for NULL ->i_op or NULL ->i_fop) Signed-off-by: Al Viro diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index e9da092..86bef15 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -1406,9 +1406,6 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi) ni->allocated_size = sle64_to_cpu( a->data.non_resident.allocated_size); } - /* Setup the operations for this attribute inode. */ - vi->i_op = NULL; - vi->i_fop = NULL; if (NInoMstProtected(ni)) vi->i_mapping->a_ops = &ntfs_mst_aops; else -- cgit v0.10.2 From acfa4380efe77e290d3a96b11cd4c9f24f4fbb18 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Thu, 4 Dec 2008 10:06:33 -0500 Subject: inode->i_op is never NULL We used to have rather schizophrenic set of checks for NULL ->i_op even though it had been eliminated years ago. You'd need to go out of your way to set it to NULL explicitly _and_ a bunch of code would die on such inodes anyway. After killing two remaining places that still did that bogosity, all that crap can go away. Signed-off-by: Al Viro diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index f247da9..5ab9896 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1641,7 +1641,7 @@ do_expand: i_size_write(inode, offset); spin_unlock(&inode->i_lock); out_truncate: - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; out_sig: diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 5e78fc1..0111906 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -612,8 +612,7 @@ ecryptfs_readlink(struct dentry *dentry, char __user * buf, int bufsiz) struct ecryptfs_crypt_stat *crypt_stat; lower_dentry = ecryptfs_dentry_to_lower(dentry); - if (!lower_dentry->d_inode->i_op || - !lower_dentry->d_inode->i_op->readlink) { + if (!lower_dentry->d_inode->i_op->readlink) { rc = -EINVAL; goto out; } diff --git a/fs/namei.c b/fs/namei.c index dd5c9f0..1f6656c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -257,7 +257,7 @@ int inode_permission(struct inode *inode, int mask) return -EACCES; } - if (inode->i_op && inode->i_op->permission) + if (inode->i_op->permission) retval = inode->i_op->permission(inode, mask); else retval = generic_permission(inode, mask, NULL); @@ -432,7 +432,7 @@ static int exec_permission_lite(struct inode *inode) { umode_t mode = inode->i_mode; - if (inode->i_op && inode->i_op->permission) + if (inode->i_op->permission) return -EAGAIN; if (current_fsuid() == inode->i_uid) @@ -908,9 +908,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd) inode = next.dentry->d_inode; if (!inode) goto out_dput; - err = -ENOTDIR; - if (!inode->i_op) - goto out_dput; if (inode->i_op->follow_link) { err = do_follow_link(&next, nd); @@ -920,9 +917,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd) inode = nd->path.dentry->d_inode; if (!inode) break; - err = -ENOTDIR; - if (!inode->i_op) - break; } else path_to_nameidata(&next, nd); err = -ENOTDIR; @@ -961,7 +955,7 @@ last_component: break; inode = next.dentry->d_inode; if ((lookup_flags & LOOKUP_FOLLOW) - && inode && inode->i_op && inode->i_op->follow_link) { + && inode && inode->i_op->follow_link) { err = do_follow_link(&next, nd); if (err) goto return_err; @@ -973,7 +967,7 @@ last_component: break; if (lookup_flags & LOOKUP_DIRECTORY) { err = -ENOTDIR; - if (!inode->i_op || !inode->i_op->lookup) + if (!inode->i_op->lookup) break; } goto return_base; @@ -1469,7 +1463,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode, if (error) return error; - if (!dir->i_op || !dir->i_op->create) + if (!dir->i_op->create) return -EACCES; /* shouldn't it be ENOSYS? */ mode &= S_IALLUGO; mode |= S_IFREG; @@ -1752,7 +1746,7 @@ do_last: error = -ENOENT; if (!path.dentry->d_inode) goto exit_dput; - if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link) + if (path.dentry->d_inode->i_op->follow_link) goto do_link; path_to_nameidata(&path, &nd); @@ -1933,7 +1927,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD)) return -EPERM; - if (!dir->i_op || !dir->i_op->mknod) + if (!dir->i_op->mknod) return -EPERM; error = devcgroup_inode_mknod(mode, dev); @@ -2035,7 +2029,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) if (error) return error; - if (!dir->i_op || !dir->i_op->mkdir) + if (!dir->i_op->mkdir) return -EPERM; mode &= (S_IRWXUGO|S_ISVTX); @@ -2126,7 +2120,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry) if (error) return error; - if (!dir->i_op || !dir->i_op->rmdir) + if (!dir->i_op->rmdir) return -EPERM; DQUOT_INIT(dir); @@ -2213,7 +2207,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry) if (error) return error; - if (!dir->i_op || !dir->i_op->unlink) + if (!dir->i_op->unlink) return -EPERM; DQUOT_INIT(dir); @@ -2320,7 +2314,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname) if (error) return error; - if (!dir->i_op || !dir->i_op->symlink) + if (!dir->i_op->symlink) return -EPERM; error = security_inode_symlink(dir, dentry, oldname); @@ -2401,7 +2395,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de */ if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) return -EPERM; - if (!dir->i_op || !dir->i_op->link) + if (!dir->i_op->link) return -EPERM; if (S_ISDIR(inode->i_mode)) return -EPERM; @@ -2608,7 +2602,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; - if (!old_dir->i_op || !old_dir->i_op->rename) + if (!old_dir->i_op->rename) return -EPERM; DQUOT_INIT(old_dir); diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index d1c5f78..5245a39 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1211,7 +1211,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, dirp = dentry->d_inode; err = nfserr_notdir; - if(!dirp->i_op || !dirp->i_op->lookup) + if (!dirp->i_op->lookup) goto out; /* * Check whether the response file handle has been verified yet. @@ -1347,7 +1347,7 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp, /* Get all the sanity checks out of the way before * we lock the parent. */ err = nfserr_notdir; - if(!dirp->i_op || !dirp->i_op->lookup) + if (!dirp->i_op->lookup) goto out; fh_lock_nested(fhp, I_MUTEX_PARENT); @@ -1482,7 +1482,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp) inode = dentry->d_inode; err = nfserr_inval; - if (!inode->i_op || !inode->i_op->readlink) + if (!inode->i_op->readlink) goto out; touch_atime(fhp->fh_export->ex_path.mnt, dentry); @@ -2162,7 +2162,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) size_t size; int error; - if (!IS_POSIXACL(inode) || !inode->i_op || + if (!IS_POSIXACL(inode) || !inode->i_op->setxattr || !inode->i_op->removexattr) return -EOPNOTSUPP; switch(type) { diff --git a/fs/open.c b/fs/open.c index 1cd7d40..d882fd2 100644 --- a/fs/open.c +++ b/fs/open.c @@ -412,7 +412,7 @@ asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len) if (((offset + len) > inode->i_sb->s_maxbytes) || ((offset + len) < 0)) goto out_fput; - if (inode->i_op && inode->i_op->fallocate) + if (inode->i_op->fallocate) ret = inode->i_op->fallocate(inode, mode, offset, len); else ret = -EOPNOTSUPP; diff --git a/fs/stat.c b/fs/stat.c index 7c46fbe..7e12a6f8 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -305,7 +305,7 @@ asmlinkage long sys_readlinkat(int dfd, const char __user *pathname, struct inode *inode = path.dentry->d_inode; error = -EINVAL; - if (inode->i_op && inode->i_op->readlink) { + if (inode->i_op->readlink) { error = security_inode_readlink(path.dentry); if (!error) { touch_atime(path.mnt, path.dentry); diff --git a/fs/xattr.c b/fs/xattr.c index 468377e..237804c 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -175,7 +175,7 @@ vfs_listxattr(struct dentry *d, char *list, size_t size) if (error) return error; error = -EOPNOTSUPP; - if (d->d_inode->i_op && d->d_inode->i_op->listxattr) { + if (d->d_inode->i_op->listxattr) { error = d->d_inode->i_op->listxattr(d, list, size); } else { error = security_inode_listsecurity(d->d_inode, list, size); diff --git a/mm/memory.c b/mm/memory.c index 0a2010a..7b9db65 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2266,7 +2266,7 @@ int vmtruncate(struct inode * inode, loff_t offset) unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); } - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; @@ -2286,7 +2286,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end) * a way to truncate a range of blocks (punch a hole) - * we should return failure right now. */ - if (!inode->i_op || !inode->i_op->truncate_range) + if (!inode->i_op->truncate_range) return -ENOSYS; mutex_lock(&inode->i_mutex); diff --git a/mm/nommu.c b/mm/nommu.c index 7695dc8..1c28ea3 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -86,7 +86,7 @@ do_expand: i_size_write(inode, offset); out_truncate: - if (inode->i_op && inode->i_op->truncate) + if (inode->i_op->truncate) inode->i_op->truncate(inode); return 0; out_sig: diff --git a/security/commoncap.c b/security/commoncap.c index 7971354..69fc995 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -238,7 +238,7 @@ int cap_inode_need_killpriv(struct dentry *dentry) struct inode *inode = dentry->d_inode; int error; - if (!inode->i_op || !inode->i_op->getxattr) + if (!inode->i_op->getxattr) return 0; error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0); @@ -259,7 +259,7 @@ int cap_inode_killpriv(struct dentry *dentry) { struct inode *inode = dentry->d_inode; - if (!inode->i_op || !inode->i_op->removexattr) + if (!inode->i_op->removexattr) return 0; return inode->i_op->removexattr(dentry, XATTR_NAME_CAPS); @@ -317,7 +317,7 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data memset(cpu_caps, 0, sizeof(struct cpu_vfs_cap_data)); - if (!inode || !inode->i_op || !inode->i_op->getxattr) + if (!inode || !inode->i_op->getxattr) return -ENODATA; size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps, -- cgit v0.10.2 From 56ff5efad96182f4d3cb3dc6b07396762c658f16 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 9 Dec 2008 09:34:39 -0500 Subject: zero i_uid/i_gid on inode allocation ... and don't bother in callers. Don't bother with zeroing i_blocks, while we are at it - it's already been zeroed. i_mode is not worth the effort; it has no common default value. Signed-off-by: Al Viro diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 6296bfd..e309ef7 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -97,7 +97,6 @@ spufs_new_inode(struct super_block *sb, int mode) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; out: return inode; diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 9d4f8e6..5a805df 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -106,7 +106,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode) ret->i_mode = mode; ret->i_uid = hypfs_info->uid; ret->i_gid = hypfs_info->gid; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; if (mode & S_IFDIR) ret->i_nlink = 2; diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 53912c3..8dc2bb7 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -57,9 +57,6 @@ static int ipathfs_mknod(struct inode *dir, struct dentry *dentry, } inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; if ((mode & S_IFMT) == S_IFDIR) { diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c index 0aa66ec..b129409 100644 --- a/drivers/isdn/capi/capifs.c +++ b/drivers/isdn/capi/capifs.c @@ -111,8 +111,6 @@ capifs_fill_super(struct super_block *s, void *data, int silent) goto fail; inode->i_ino = 1; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; - inode->i_uid = inode->i_gid = 0; inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 22a7e8b..de966a6 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -146,8 +146,6 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_mode = mode; - ret->i_uid = ret->i_gid = 0; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; } return ret; diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index ddc4c59..b7e4cee 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -29,9 +29,6 @@ static struct inode *oprofilefs_get_inode(struct super_block *sb, int mode) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } return inode; diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 185be76..2a129cb 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -279,7 +279,6 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index eeb26c0..317b48f 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -2001,7 +2001,6 @@ gadgetfs_make_inode (struct super_block *sb, inode->i_mode = mode; inode->i_uid = default_uid; inode->i_gid = default_gid; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c index c773680..e1734f2 100644 --- a/fs/autofs/inode.c +++ b/fs/autofs/inode.c @@ -251,13 +251,11 @@ struct inode *autofs_iget(struct super_block *sb, unsigned long ino) inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO; inode->i_nlink = 2; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; if (ino == AUTOFS_ROOT_INO) { inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &autofs_root_inode_operations; inode->i_fop = &autofs_root_operations; - inode->i_uid = inode->i_gid = 0; /* Changed in read_super */ goto done; } diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 7b19802..cfc23e5 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -455,11 +455,7 @@ struct inode *autofs4_get_inode(struct super_block *sb, if (sb->s_root) { inode->i_uid = sb->s_root->d_inode->i_uid; inode->i_gid = sb->s_root->d_inode->i_gid; - } else { - inode->i_uid = 0; - inode->i_gid = 0; } - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; if (S_ISDIR(inf->mode)) { diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index f2744ab..e1158cb 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -496,9 +496,6 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); } diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 4803ccc..5d349d3 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -117,8 +117,6 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) static inline void set_default_inode_attr(struct inode * inode, mode_t mode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } @@ -136,7 +134,6 @@ struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd) { struct inode * inode = new_inode(configfs_sb); if (inode) { - inode->i_blocks = 0; inode->i_mapping->a_ops = &configfs_aops; inode->i_mapping->backing_dev_info = &configfs_backing_dev_info; inode->i_op = &configfs_inode_operations; diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index f40423e..a07338d 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -83,8 +83,6 @@ static struct inode *get_cramfs_inode(struct super_block *sb, inode->i_op = &page_symlink_inode_operations; inode->i_data.a_ops = &cramfs_aops; } else { - inode->i_size = 0; - inode->i_blocks = 0; init_special_inode(inode, inode->i_mode, old_decode_dev(cramfs_inode->size)); } diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 3dbe216..81ae9ea 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -37,9 +37,6 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index fff96e1..5f3231b 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -189,8 +189,6 @@ static int mknod_ptmx(struct super_block *sb) } inode->i_ino = 2; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; mode = S_IFCHR|opts->ptmxmode; @@ -300,8 +298,6 @@ devpts_fill_super(struct super_block *s, void *data, int silent) goto free_fsi; inode->i_ino = 1; inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; - inode->i_blocks = 0; - inode->i_uid = inode->i_gid = 0; inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 7d479ce..0ab0c6f5 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -506,7 +506,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, inode->i_mode = mode; inode->i_uid = uid; inode->i_gid = gid; - inode->i_blocks = 0; inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/inode.c b/fs/inode.c index 7de1cda..bd48e5e 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -131,6 +131,8 @@ struct inode *inode_init_always(struct super_block *sb, struct inode *inode) inode->i_op = &empty_iops; inode->i_fop = &empty_fops; inode->i_nlink = 1; + inode->i_uid = 0; + inode->i_gid = 0; atomic_set(&inode->i_writecount, 0); inode->i_size = 0; inode->i_blocks = 0; diff --git a/fs/libfs.c b/fs/libfs.c index e960a83..7de05f7 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -231,7 +231,6 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name, */ root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; - root->i_uid = root->i_gid = 0; root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; dentry = d_alloc(NULL, &d_name); if (!dentry) { @@ -436,8 +435,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files */ inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; @@ -464,8 +461,6 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files if (!inode) goto out; inode->i_mode = S_IFREG | files->mode; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_fop = files->ops; inode->i_ino = i; diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c index 6f7a77d..1c9efb4 100644 --- a/fs/ocfs2/dlm/dlmfs.c +++ b/fs/ocfs2/dlm/dlmfs.c @@ -341,7 +341,6 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inc_nlink(inode); @@ -367,7 +366,6 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index 6afe57c..633e9dc 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -39,7 +39,6 @@ struct inode *omfs_new_inode(struct inode *dir, int mode) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->a_ops = &omfs_aops; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index d41bdc7..ffcd04f 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -256,9 +256,6 @@ found: break; } - inode->i_gid = 0; - inode->i_uid = 0; - d_add(dentry, inode); return NULL; } diff --git a/fs/proc/base.c b/fs/proc/base.c index cad92c1..10fd522 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1426,8 +1426,6 @@ static struct inode *proc_pid_make_inode(struct super_block * sb, struct task_st if (!ei->pid) goto out_unlock; - inode->i_uid = 0; - inode->i_gid = 0; if (task_dumpable(task)) { rcu_read_lock(); cred = __task_cred(task); @@ -2349,8 +2347,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir, if (!ei->pid) goto out_iput; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_mode = p->mode; if (S_ISDIR(inode->i_mode)) inode->i_nlink = 2; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 06ed10b..94fcfff 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -31,7 +31,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; inode->i_flags |= S_PRIVATE; /* tell selinux to ignore this inode */ inode->i_mode = table->mode; - inode->i_uid = inode->i_gid = 0; if (!table->child) { inode->i_mode |= S_IFREG; inode->i_op = &proc_sys_inode_operations; diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index a83a351..b7e6ac7 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -57,7 +57,6 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mapping->a_ops = &ramfs_aops; inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c index 60d2f82..c97d4c9 100644 --- a/fs/romfs/inode.c +++ b/fs/romfs/inode.c @@ -524,7 +524,6 @@ romfs_iget(struct super_block *sb, unsigned long ino) i->i_size = be32_to_cpu(ri.size); i->i_mtime.tv_sec = i->i_atime.tv_sec = i->i_ctime.tv_sec = 0; i->i_mtime.tv_nsec = i->i_atime.tv_nsec = i->i_ctime.tv_nsec = 0; - i->i_uid = i->i_gid = 0; /* Precalculate the data offset */ ino = romfs_strnlen(i, ino+ROMFH_SIZE, ROMFS_MAXFN); diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index eb53c63..dfa3d94 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -107,8 +107,6 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr) static inline void set_default_inode_attr(struct inode * inode, mode_t mode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; } @@ -149,7 +147,6 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode) { struct bin_attribute *bin_attr; - inode->i_blocks = 0; inode->i_mapping->a_ops = &sysfs_aops; inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; inode->i_op = &sysfs_inode_operations; diff --git a/ipc/mqueue.c b/ipc/mqueue.c index d9393f8..41b72f0 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -120,7 +120,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_mtime = inode->i_ctime = inode->i_atime = CURRENT_TIME; diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 48348dd..f7c5099 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -573,7 +573,6 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb) inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info; } diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 1924532..577385a 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -522,8 +522,6 @@ rpc_get_inode(struct super_block *sb, int mode) if (!inode) return NULL; inode->i_mode = mode; - inode->i_uid = inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch(mode & S_IFMT) { case S_IFDIR: diff --git a/security/inode.c b/security/inode.c index efea5a6..007ef25 100644 --- a/security/inode.c +++ b/security/inode.c @@ -61,9 +61,6 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev) if (inode) { inode->i_mode = mode; - inode->i_uid = 0; - inode->i_gid = 0; - inode->i_blocks = 0; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index e552099..8f612c8 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -847,8 +847,6 @@ static struct inode *sel_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_mode = mode; - ret->i_uid = ret->i_gid = 0; - ret->i_blocks = 0; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; } return ret; -- cgit v0.10.2 From 6110e3abbff8b785907d4db50240e63c1be726e3 Mon Sep 17 00:00:00 2001 From: Eric Paris Date: Wed, 17 Dec 2008 13:53:20 -0500 Subject: sys_execve and sys_uselib do not call into fsnotify sys_execve and sys_uselib do not call into fsnotify so inotify does not get open events for these types of syscalls. This patch simply makes the requisite fsnotify calls. Signed-off-by: Eric Paris Signed-off-by: Al Viro diff --git a/fs/exec.c b/fs/exec.c index 3ef9cf9..9c33f54 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -51,6 +51,7 @@ #include #include #include +#include #include #include @@ -132,6 +133,8 @@ asmlinkage long sys_uselib(const char __user * library) if (IS_ERR(file)) goto out; + fsnotify_open(file->f_path.dentry); + error = -ENOEXEC; if(file->f_op) { struct linux_binfmt * fmt; @@ -684,6 +687,8 @@ struct file *open_exec(const char *name) if (IS_ERR(file)) return file; + fsnotify_open(file->f_path.dentry); + err = deny_write_access(file); if (err) { fput(file); -- cgit v0.10.2 From 4c728ef583b3d82266584da5cb068294c09df31e Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 22 Dec 2008 21:11:15 +0100 Subject: add a vfs_fsync helper Fsync currently has a fdatawrite/fdatawait pair around the method call, and a mutex_lock/unlock of the inode mutex. All callers of fsync have to duplicate this, but we have a few and most of them don't quite get it right. This patch adds a new vfs_fsync that takes care of this. It's a little more complicated as usual as ->fsync might get a NULL file pointer and just a dentry from nfsd, but otherwise gets afile and we want to take the mapping and file operations from it when it is there. Notes on the fsync callers: - ecryptfs wasn't calling filemap_fdatawrite / filemap_fdatawait on the lower file - coda wasn't calling filemap_fdatawrite / filemap_fdatawait on the host file, and returning 0 when ->fsync was missing - shm wasn't calling either filemap_fdatawrite / filemap_fdatawait nor taking i_mutex. Now given that shared memory doesn't have disk backing not doing anything in fsync seems fine and I left it out of the vfs_fsync conversion for now, but in that case we might just not pass it through to the lower file at all but just call the no-op simple_sync_file directly. [and now actually export vfs_fsync] Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index c4e62a6..2e71368 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -1863,26 +1863,10 @@ static int do_write(struct fsg_dev *fsg) static int fsync_sub(struct lun *curlun) { struct file *filp = curlun->filp; - struct inode *inode; - int rc, err; if (curlun->ro || !filp) return 0; - if (!filp->f_op->fsync) - return -EINVAL; - - inode = filp->f_path.dentry->d_inode; - mutex_lock(&inode->i_mutex); - rc = filemap_fdatawrite(inode->i_mapping); - err = filp->f_op->fsync(filp, filp->f_path.dentry, 1); - if (!rc) - rc = err; - err = filemap_fdatawait(inode->i_mapping); - if (!rc) - rc = err; - mutex_unlock(&inode->i_mutex); - VLDBG(curlun, "fdatasync -> %d\n", rc); - return rc; + return vfs_fsync(filp, filp->f_path.dentry, 1); } static void fsync_all(struct fsg_dev *fsg) diff --git a/fs/coda/file.c b/fs/coda/file.c index 466303d..6a347fb 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -201,8 +201,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file) int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) { struct file *host_file; - struct dentry *host_dentry; - struct inode *host_inode, *coda_inode = coda_dentry->d_inode; + struct inode *coda_inode = coda_dentry->d_inode; struct coda_file_info *cfi; int err = 0; @@ -214,14 +213,7 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync) BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - if (host_file->f_op && host_file->f_op->fsync) { - host_dentry = host_file->f_path.dentry; - host_inode = host_dentry->d_inode; - mutex_lock(&host_inode->i_mutex); - err = host_file->f_op->fsync(host_file, host_dentry, datasync); - mutex_unlock(&host_inode->i_mutex); - } - + err = vfs_fsync(host_file, host_file->f_path.dentry, datasync); if ( !err && !datasync ) { lock_kernel(); err = venus_fsync(coda_inode->i_sb, coda_i2f(coda_inode)); diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index eb3dc4c..7138343 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -275,18 +275,9 @@ static int ecryptfs_release(struct inode *inode, struct file *file) static int ecryptfs_fsync(struct file *file, struct dentry *dentry, int datasync) { - struct file *lower_file = ecryptfs_file_to_lower(file); - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - struct inode *lower_inode = lower_dentry->d_inode; - int rc = -EINVAL; - - if (lower_inode->i_fop->fsync) { - mutex_lock(&lower_inode->i_mutex); - rc = lower_inode->i_fop->fsync(lower_file, lower_dentry, - datasync); - mutex_unlock(&lower_inode->i_mutex); - } - return rc; + return vfs_fsync(ecryptfs_file_to_lower(file), + ecryptfs_dentry_to_lower(dentry), + datasync); } static int ecryptfs_fasync(int fd, struct file *file, int flag) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 5245a39..44aa92a 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -744,45 +744,16 @@ nfsd_close(struct file *filp) fput(filp); } -/* - * Sync a file - * As this calls fsync (not fdatasync) there is no need for a write_inode - * after it. - */ -static inline int nfsd_dosync(struct file *filp, struct dentry *dp, - const struct file_operations *fop) -{ - struct inode *inode = dp->d_inode; - int (*fsync) (struct file *, struct dentry *, int); - int err; - - err = filemap_fdatawrite(inode->i_mapping); - if (err == 0 && fop && (fsync = fop->fsync)) - err = fsync(filp, dp, 0); - if (err == 0) - err = filemap_fdatawait(inode->i_mapping); - - return err; -} - - static int nfsd_sync(struct file *filp) { - int err; - struct inode *inode = filp->f_path.dentry->d_inode; - dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name); - mutex_lock(&inode->i_mutex); - err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op); - mutex_unlock(&inode->i_mutex); - - return err; + return vfs_fsync(filp, filp->f_path.dentry, 0); } int -nfsd_sync_dir(struct dentry *dp) +nfsd_sync_dir(struct dentry *dentry) { - return nfsd_dosync(NULL, dp, dp->d_inode->i_fop); + return vfs_fsync(NULL, dentry, 0); } /* diff --git a/fs/sync.c b/fs/sync.c index 2967562..0921d6d 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -75,14 +75,39 @@ int file_fsync(struct file *filp, struct dentry *dentry, int datasync) return ret; } -long do_fsync(struct file *file, int datasync) +/** + * vfs_fsync - perform a fsync or fdatasync on a file + * @file: file to sync + * @dentry: dentry of @file + * @data: only perform a fdatasync operation + * + * Write back data and metadata for @file to disk. If @datasync is + * set only metadata needed to access modified file data is written. + * + * In case this function is called from nfsd @file may be %NULL and + * only @dentry is set. This can only happen when the filesystem + * implements the export_operations API. + */ +int vfs_fsync(struct file *file, struct dentry *dentry, int datasync) { - int ret; - int err; - struct address_space *mapping = file->f_mapping; + const struct file_operations *fop; + struct address_space *mapping; + int err, ret; + + /* + * Get mapping and operations from the file in case we have + * as file, or get the default values for them in case we + * don't have a struct file available. Damn nfsd.. + */ + if (file) { + mapping = file->f_mapping; + fop = file->f_op; + } else { + mapping = dentry->d_inode->i_mapping; + fop = dentry->d_inode->i_fop; + } - if (!file->f_op || !file->f_op->fsync) { - /* Why? We can still call filemap_fdatawrite */ + if (!fop || !fop->fsync) { ret = -EINVAL; goto out; } @@ -94,7 +119,7 @@ long do_fsync(struct file *file, int datasync) * livelocks in fsync_buffers_list(). */ mutex_lock(&mapping->host->i_mutex); - err = file->f_op->fsync(file, file->f_path.dentry, datasync); + err = fop->fsync(file, dentry, datasync); if (!ret) ret = err; mutex_unlock(&mapping->host->i_mutex); @@ -104,15 +129,16 @@ long do_fsync(struct file *file, int datasync) out: return ret; } +EXPORT_SYMBOL(vfs_fsync); -static long __do_fsync(unsigned int fd, int datasync) +static int do_fsync(unsigned int fd, int datasync) { struct file *file; int ret = -EBADF; file = fget(fd); if (file) { - ret = do_fsync(file, datasync); + ret = vfs_fsync(file, file->f_path.dentry, datasync); fput(file); } return ret; @@ -120,12 +146,12 @@ static long __do_fsync(unsigned int fd, int datasync) asmlinkage long sys_fsync(unsigned int fd) { - return __do_fsync(fd, 0); + return do_fsync(fd, 0); } asmlinkage long sys_fdatasync(unsigned int fd) { - return __do_fsync(fd, 1); + return do_fsync(fd, 1); } /* diff --git a/include/linux/fs.h b/include/linux/fs.h index e2170ee..9ad9eac 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1827,7 +1827,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping, extern int filemap_fdatawrite_range(struct address_space *mapping, loff_t start, loff_t end); -extern long do_fsync(struct file *file, int datasync); +extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync); extern void sync_supers(void); extern void sync_filesystems(int wait); extern void __fsync_super(struct super_block *sb); diff --git a/mm/msync.c b/mm/msync.c index 144a757..07dae08 100644 --- a/mm/msync.c +++ b/mm/msync.c @@ -82,7 +82,7 @@ asmlinkage long sys_msync(unsigned long start, size_t len, int flags) (vma->vm_flags & VM_SHARED)) { get_file(file); up_read(&mm->mmap_sem); - error = do_fsync(file, 0); + error = vfs_fsync(file, file->f_path.dentry, 0); fput(file); if (error || start >= end) goto out; -- cgit v0.10.2 From d8e9650dff48055057253ca30933605bd7d0733b Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Thu, 25 Dec 2008 13:32:15 +0800 Subject: vfs: remove duplicate code in get_fs_type() save 14 bytes: text data bss dec hex filename 1354 32 4 1390 56e fs/filesystems.o.before text data bss dec hex filename 1340 32 4 1376 560 fs/filesystems.o Signed-off-by: Li Zefan Signed-off-by: Al Viro diff --git a/fs/filesystems.c b/fs/filesystems.c index d0e20ce..d488dcd 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -253,24 +253,27 @@ static int __init proc_filesystems_init(void) module_init(proc_filesystems_init); #endif -struct file_system_type *get_fs_type(const char *name) +static struct file_system_type *__get_fs_type(const char *name, int len) { struct file_system_type *fs; - const char *dot = strchr(name, '.'); - unsigned len = dot ? dot - name : strlen(name); read_lock(&file_systems_lock); fs = *(find_filesystem(name, len)); if (fs && !try_module_get(fs->owner)) fs = NULL; read_unlock(&file_systems_lock); - if (!fs && (request_module("%.*s", len, name) == 0)) { - read_lock(&file_systems_lock); - fs = *(find_filesystem(name, len)); - if (fs && !try_module_get(fs->owner)) - fs = NULL; - read_unlock(&file_systems_lock); - } + return fs; +} + +struct file_system_type *get_fs_type(const char *name) +{ + struct file_system_type *fs; + const char *dot = strchr(name, '.'); + int len = dot ? dot - name : strlen(name); + + fs = __get_fs_type(name, len); + if (!fs && (request_module("%.*s", len, name) == 0)) + fs = __get_fs_type(name, len); if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { put_filesystem(fs); -- cgit v0.10.2 From 5b45d96bf963afeb931a75faf02fb424e446e5a9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 29 Dec 2008 07:40:31 -0500 Subject: fix the treatment of jfs special inodes We used to put them on a single list, without any locking. Racy. Signed-off-by: Al Viro diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index d6363d8..0f94381 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -58,9 +58,9 @@ /* * __mark_inode_dirty expects inodes to be hashed. Since we don't want - * special inodes in the fileset inode space, we hash them to a dummy head + * special inodes in the fileset inode space, we make them appear hashed, + * but do not put on any lists. */ -static HLIST_HEAD(aggregate_hash); /* * imap locks @@ -496,7 +496,11 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* release the page */ release_metapage(mp); - hlist_add_head(&ip->i_hash, &aggregate_hash); + /* + * that will look hashed, but won't be on any list; hlist_del() + * will work fine and require no locking. + */ + ip->i_hash.pprev = &ip->i_hash.next; return (ip); } -- cgit v0.10.2 From 2f1169e2dc0c70e213f79ada88a10912cc2fbe94 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 2 Jan 2009 08:16:51 -0500 Subject: fix breakage in reiserfs_new_inode() now that we use ih.key earlier, we need to do all its setup early enough Signed-off-by: Al Viro diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 145c2d3..1306d4f 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1782,6 +1782,12 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, goto out_bad_inode; } args.objectid = inode->i_ino = le32_to_cpu(ih.ih_key.k_objectid); + if (old_format_only(sb)) + make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET, + TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT); + else + make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET, + TYPE_STAT_DATA, SD_SIZE, MAX_US_INT); memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE); args.dirid = le32_to_cpu(ih.ih_key.k_dir_id); if (insert_inode_locked4(inode, args.objectid, @@ -1834,13 +1840,6 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, reiserfs_init_acl_default(inode); reiserfs_init_xattr_rwsem(inode); - if (old_format_only(sb)) - make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET, - TYPE_STAT_DATA, SD_V1_SIZE, MAX_US_INT); - else - make_le_item_head(&ih, NULL, KEY_FORMAT_3_6, SD_OFFSET, - TYPE_STAT_DATA, SD_SIZE, MAX_US_INT); - /* key to search for correct place for new stat data */ _make_cpu_key(&key, KEY_FORMAT_3_6, le32_to_cpu(ih.ih_key.k_dir_id), le32_to_cpu(ih.ih_key.k_objectid), SD_OFFSET, -- cgit v0.10.2 From 4ae8978cf92a96257cd8998a49e781be83571d64 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Mon, 5 Jan 2009 07:19:16 -0500 Subject: inotify: fix type errors in interfaces The problems lie in the types used for some inotify interfaces, both at the kernel level and at the glibc level. This mail addresses the kernel problem. I will follow up with some suggestions for glibc changes. For the sys_inotify_rm_watch() interface, the type of the 'wd' argument is currently 'u32', it should be '__s32' . That is Robert's suggestion, and is consistent with the other declarations of watch descriptors in the kernel source, in particular, the inotify_event structure in include/linux/inotify.h: struct inotify_event { __s32 wd; /* watch descriptor */ __u32 mask; /* watch mask */ __u32 cookie; /* cookie to synchronize two events */ __u32 len; /* length (including nulls) of name */ char name[0]; /* stub for possible name */ }; The patch makes the changes needed for inotify_rm_watch(). Signed-off-by: Michael Kerrisk Cc: Robert Love Cc: Vegard Nossum Cc: Ulrich Drepper Signed-off-by: Andrew Morton Signed-off-by: Al Viro diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 400f806..81b8644 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -704,7 +704,7 @@ fput_and_out: return ret; } -asmlinkage long sys_inotify_rm_watch(int fd, u32 wd) +asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd) { struct file *filp; struct inotify_device *dev; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 04fb47b..18d0a24 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -549,7 +549,7 @@ asmlinkage long sys_inotify_init(void); asmlinkage long sys_inotify_init1(int flags); asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask); -asmlinkage long sys_inotify_rm_watch(int fd, u32 wd); +asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus); -- cgit v0.10.2 From 8eca75382e012b74b98526a1679ada2a1849024b Mon Sep 17 00:00:00 2001 From: Alan Horstmann Date: Mon, 5 Jan 2009 18:30:04 +0100 Subject: ALSA: ice1724 - Fix a typo in IEC958 PCM name Fix trivial name string typo as reported in bug 2552. Signed-off-by: Alan Horstmann Signed-off-by: Takashi Iwai diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 0dfa054..bb8d8c7 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -1239,7 +1239,7 @@ static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device) if (ice->force_pdma4 || ice->force_rdma1) name = "ICE1724 Secondary"; else - name = "IEC1724 IEC958"; + name = "ICE1724 IEC958"; err = snd_pcm_new(ice->card, name, device, play, capt, &pcm); if (err < 0) return err; -- cgit v0.10.2 From c276e098d3ee33059b4a1c747354226cec58487c Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 5 Jan 2009 16:01:51 -0800 Subject: Revert "net: Fix for initial link state in 2.6.28" This reverts commit 22604c866889c4b2e12b73cbf1683bda1b72a313. We can't fix this issue in this way, because we now can try to take the dev_base_lock rwlock as a writer in software interrupt context and that is not allowed without major surgery elsewhere. This initial link state problem needs to be solved in some other way. Signed-off-by: David S. Miller diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 1e401e1..bf8f7af 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -178,6 +178,7 @@ static void __linkwatch_run_queue(int urgent_only) */ clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state); + rfc2863_policy(dev); if (dev->flags & IFF_UP) { if (netif_carrier_ok(dev)) dev_activate(dev); @@ -214,12 +215,6 @@ void linkwatch_fire_event(struct net_device *dev) { bool urgent = linkwatch_urgent_event(dev); - rfc2863_policy(dev); - - /* Some drivers call netif_carrier_off early */ - if (dev->reg_state == NETREG_UNINITIALIZED) - return; - if (!test_and_set_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state)) { dev_hold(dev); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 23a8e61..5f5efe4 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -270,6 +270,8 @@ static void dev_watchdog_down(struct net_device *dev) void netif_carrier_on(struct net_device *dev) { if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) { + if (dev->reg_state == NETREG_UNINITIALIZED) + return; linkwatch_fire_event(dev); if (netif_running(dev)) __netdev_watchdog_up(dev); @@ -286,6 +288,8 @@ EXPORT_SYMBOL(netif_carrier_on); void netif_carrier_off(struct net_device *dev) { if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) { + if (dev->reg_state == NETREG_UNINITIALIZED) + return; linkwatch_fire_event(dev); } } -- cgit v0.10.2 From 48e4cc777c091b037acaf39036a77ece43fe1ab9 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Mon, 5 Jan 2009 16:06:02 -0800 Subject: net/ehea: bitops work on unsigned longs The flags field of struct ehea_port is only used with test_bit(), clear_bit() and set_bit() and these interfaces only work on "unsigned long"s, so change the field to be an "unsigned long". Also, this field only has two bits defined for it (0 and 1) so will still be fine if someone builds this driver for a 32 bit arch (at least as far as this flags field is concerned). Also note that ehea_driver_flags is only used in ehca_main.c, so make it static in there. Signed-off-by: Stephen Rothwell Signed-off-by: David S. Miller diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 9930d5f..6271b94 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -478,7 +478,7 @@ struct ehea_port { int num_add_tx_qps; int num_mcs; int resets; - u64 flags; + unsigned long flags; u64 mac_addr; u32 logical_port_id; u32 port_speed; @@ -510,7 +510,6 @@ void ehea_set_ethtool_ops(struct net_device *netdev); int ehea_sense_port_attr(struct ehea_port *port); int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); -extern u64 ehea_driver_flags; extern struct work_struct ehea_rereg_mr_task; #endif /* __EHEA_H__ */ diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index a2f1905..e3131ea 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -99,7 +99,7 @@ MODULE_PARM_DESC(use_lro, " Large Receive Offload, 1: enable, 0: disable, " static int port_name_cnt; static LIST_HEAD(adapter_list); -u64 ehea_driver_flags; +static unsigned long ehea_driver_flags; struct work_struct ehea_rereg_mr_task; static DEFINE_MUTEX(dlpar_mem_lock); struct ehea_fw_handle_array ehea_fw_handles; -- cgit v0.10.2 From 22409f9c80d0a742ff98d1cfe1bf60fce1927be1 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 5 Jan 2009 17:18:42 +0000 Subject: get rid of the last symlink in uml build We need to make asm-offsets.h contents visible for objects built with userland headers. Instead of creating a symlink, just have the file with equivalent include (relative to location of header) created once. That kills the last symlink used in arch/um builds. Additionally, both generated headers can become dependencies of archprepare now, killing the misuse of prepare. Signed-off-by: Al Viro Signed-off-by: Linus Torvalds diff --git a/arch/um/Makefile b/arch/um/Makefile index d944c34..0728def 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -22,10 +22,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas include $(srctree)/$(ARCH_DIR)/Makefile-skas -ARCH_INCLUDE := -I$(srctree)/$(ARCH_DIR)/include/shared +SHARED_HEADERS := $(ARCH_DIR)/include/shared +ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADERS) ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared ifneq ($(KBUILD_SRC),) -ARCH_INCLUDE += -I$(ARCH_DIR)/include/shared # for two generated files +ARCH_INCLUDE += -I$(SHARED_HEADERS) endif KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) @@ -85,8 +86,8 @@ endef KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH) -archprepare: $(ARCH_DIR)/include/shared/user_constants.h -prepare: $(ARCH_DIR)/include/shared/kern_constants.h +archprepare: $(SHARED_HEADERS)/user_constants.h +archprepare: $(SHARED_HEADERS)/kern_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib @@ -119,17 +120,13 @@ endef # When cleaning we don't include .config, so we don't include # TT or skas makefiles and don't clean skas_ptregs.h. CLEAN_FILES += linux x.i gmon.out \ - $(ARCH_DIR)/include/shared/user_constants.h \ - $(ARCH_DIR)/include/shared/kern_constants.h + $(SHARED_HEADERS)/user_constants.h \ + $(SHARED_HEADERS)/kern_constants.h archclean: @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f -$(objtree)/$(ARCH_DIR)/include/shared: - @echo ' MKDIR $@' - $(Q)mkdir -p $@ - # Generated files $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE @@ -148,11 +145,11 @@ define filechk_gen-asm-offsets echo ""; ) endef -$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s +$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s $(call filechk,gen-asm-offsets) -$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared - @echo ' SYMLINK $@' - $(Q)ln -sf ../../../../include/asm/asm-offsets.h $@ +$(SHARED_HEADERS)/kern_constants.h: + $(Q)mkdir -p $(dir $@) + $(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@ export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH -- cgit v0.10.2 From 7483cb7bbc02b9471dda28e54f41287d5374e3ac Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 5 Jan 2009 17:18:52 +0000 Subject: uml got broken by commit 30742d5c2277c325fb0e9d2d817d55a19995fe8f ... if you revert a commit, revert the fixups elsewhere that had been triggered by it. Such as 8c56250f48347750c82ab18d98d647dcf99ca674 (lockdep, UML: fix compilation when CONFIG_TRACE_IRQFLAGS_SUPPORT is not set). Signed-off-by: Al Viro Signed-off-by: Linus Torvalds diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h index ae5f94d..753346e 100644 --- a/arch/um/include/asm/system.h +++ b/arch/um/include/asm/system.h @@ -11,21 +11,21 @@ extern int get_signals(void); extern void block_signals(void); extern void unblock_signals(void); -#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \ +#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ (flags) = get_signals(); } while(0) -#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \ +#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ set_signals(flags); } while(0) -#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \ - raw_local_irq_disable(); } while(0) +#define local_irq_save(flags) do { local_save_flags(flags); \ + local_irq_disable(); } while(0) -#define raw_local_irq_enable() unblock_signals() -#define raw_local_irq_disable() block_signals() +#define local_irq_enable() unblock_signals() +#define local_irq_disable() block_signals() #define irqs_disabled() \ ({ \ unsigned long flags; \ - raw_local_save_flags(flags); \ + local_save_flags(flags); \ (flags == 0); \ }) -- cgit v0.10.2 From 5641f1fde074651ce2488e93944cf05dedd9bf74 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 5 Jan 2009 17:19:02 +0000 Subject: X86_DEBUGCTLMSR won't work on uml Signed-off-by: Al Viro Signed-off-by: Linus Torvalds diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 85a7857..8078955 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -408,7 +408,7 @@ config X86_MINIMUM_CPU_FAMILY config X86_DEBUGCTLMSR def_bool y - depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) + depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) && !UML menuconfig PROCESSOR_SELECT bool "Supported processor vendors" if EMBEDDED -- cgit v0.10.2 From 046c68842bce6b77509cf56e94a561029124b0ce Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 5 Jan 2009 14:06:29 +0000 Subject: mm: update my address Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds diff --git a/ipc/sem.c b/ipc/sem.c index 0821224..fea0ad3 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -58,7 +58,7 @@ * SMP-threaded, sysctl's added * (c) 1999 Manfred Spraul * Enforced range limit on SEM_UNDO - * (c) 2001 Red Hat Inc + * (c) 2001 Red Hat Inc * Lockless wakeup * (c) 2003 Manfred Spraul * diff --git a/mm/mmap.c b/mm/mmap.c index d4855a68..2c778fc 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3,7 +3,7 @@ * * Written by obz. * - * Address space accounting code + * Address space accounting code */ #include diff --git a/mm/mprotect.c b/mm/mprotect.c index fded06f..cfb4c48 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -4,7 +4,7 @@ * (C) Copyright 1994 Linus Torvalds * (C) Copyright 2002 Christoph Hellwig * - * Address space accounting code + * Address space accounting code * (C) Copyright 2002 Red Hat Inc, All Rights Reserved */ diff --git a/mm/mremap.c b/mm/mremap.c index 58a2908..646de95 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -3,7 +3,7 @@ * * (C) Copyright 1996 Linus Torvalds * - * Address space accounting code + * Address space accounting code * (C) Copyright 2002 Red Hat Inc, All Rights Reserved */ -- cgit v0.10.2 From 55cdea9ed9cf2d76993e40ed7a1fc649a14db07c Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner Date: Mon, 5 Jan 2009 18:07:07 -0800 Subject: af_iucv: New error return codes for connect() If the iucv_path_connect() call fails then return an error code that corresponds to the iucv_path_connect() failure condition; instead of returning -ECONNREFUSED for any failure. This helps to improve error handling for user space applications (e.g. inform the user that the z/VM guest is not authorized to connect to other guest virtual machines). The error return codes are based on those described in connect(2). Signed-off-by: Hendrik Brueckner Signed-off-by: Ursula Braun Signed-off-by: David S. Miller diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index af3192d..1077bc4 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -494,7 +494,21 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, if (err) { iucv_path_free(iucv->path); iucv->path = NULL; - err = -ECONNREFUSED; + switch (err) { + case 0x0b: /* Target communicator is not logged on */ + err = -ENETUNREACH; + break; + case 0x0d: /* Max connections for this guest exceeded */ + case 0x0e: /* Max connections for target guest exceeded */ + err = -EAGAIN; + break; + case 0x0f: /* Missing IUCV authorization */ + err = -EACCES; + break; + default: + err = -ECONNREFUSED; + break; + } goto done; } -- cgit v0.10.2 From 18becbc5479f88d5adc218374ca62b8b93ec2545 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Mon, 5 Jan 2009 18:07:46 -0800 Subject: af_iucv: avoid left over IUCV connections from failing connects For certain types of AFIUCV socket connect failures IUCV connections are left over. Add some cleanup-statements to avoid cluttered IUCV connections. Signed-off-by: Ursula Braun Signed-off-by: David S. Miller diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 1077bc4..6b5f193 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -521,6 +521,13 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, release_sock(sk); return -ECONNREFUSED; } + + if (err) { + iucv_path_sever(iucv->path, NULL); + iucv_path_free(iucv->path); + iucv->path = NULL; + } + done: release_sock(sk); return err; -- cgit v0.10.2 From 65dbd7c2778f1921ef1ee2a73e47a2a126fed30f Mon Sep 17 00:00:00 2001 From: Hendrik Brueckner Date: Mon, 5 Jan 2009 18:08:23 -0800 Subject: af_iucv: Free iucv path/socket in path_pending callback Free iucv path after iucv_path_sever() calls in iucv_callback_connreq() (path_pending() iucv callback). If iucv_path_accept() fails, free path and free/kill newly created socket. Signed-off-by: Hendrik Brueckner Signed-off-by: Ursula Braun Signed-off-by: David S. Miller diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 6b5f193..eb8a2a0 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1042,12 +1042,14 @@ static int iucv_callback_connreq(struct iucv_path *path, ASCEBC(user_data, sizeof(user_data)); if (sk->sk_state != IUCV_LISTEN) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } /* Check for backlog size */ if (sk_acceptq_is_full(sk)) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1055,6 +1057,7 @@ static int iucv_callback_connreq(struct iucv_path *path, nsk = iucv_sock_alloc(NULL, SOCK_STREAM, GFP_ATOMIC); if (!nsk) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); goto fail; } @@ -1078,6 +1081,8 @@ static int iucv_callback_connreq(struct iucv_path *path, err = iucv_path_accept(path, &af_iucv_handler, nuser_data, nsk); if (err) { err = iucv_path_sever(path, user_data); + iucv_path_free(path); + iucv_sock_kill(nsk); goto fail; } -- cgit v0.10.2 From f1d3e4dca3f8d4f55656477e83d0afe0ea7cbaed Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Mon, 5 Jan 2009 18:09:02 -0800 Subject: iucv: fix cpu hotplug If the iucv module is compiled in/loaded but no user is registered cpu hot remove doesn't work. Reason for that is that the iucv cpu hotplug notifier on CPU_DOWN_PREPARE checks if the iucv_buffer_cpumask would be empty after the corresponding bit would be cleared. However the bit was never set since iucv wasn't enable. That causes all cpu hot unplug operations to fail in this scenario. To fix this use iucv_path_table as an indicator wether iucv is enabled or not. Signed-off-by: Heiko Carstens Signed-off-by: Ursula Braun Signed-off-by: David S. Miller diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c index 8f57d4f..032f61e 100644 --- a/net/iucv/iucv.c +++ b/net/iucv/iucv.c @@ -517,6 +517,7 @@ static int iucv_enable(void) size_t alloc_size; int cpu, rc; + get_online_cpus(); rc = -ENOMEM; alloc_size = iucv_max_pathid * sizeof(struct iucv_path); iucv_path_table = kzalloc(alloc_size, GFP_KERNEL); @@ -524,19 +525,17 @@ static int iucv_enable(void) goto out; /* Declare per cpu buffers. */ rc = -EIO; - get_online_cpus(); for_each_online_cpu(cpu) smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); if (cpus_empty(iucv_buffer_cpumask)) /* No cpu could declare an iucv buffer. */ - goto out_path; + goto out; put_online_cpus(); return 0; - -out_path: - put_online_cpus(); - kfree(iucv_path_table); out: + kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); return rc; } @@ -551,8 +550,9 @@ static void iucv_disable(void) { get_online_cpus(); on_each_cpu(iucv_retrieve_cpu, NULL, 1); - put_online_cpus(); kfree(iucv_path_table); + iucv_path_table = NULL; + put_online_cpus(); } static int __cpuinit iucv_cpu_notify(struct notifier_block *self, @@ -589,10 +589,14 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self, case CPU_ONLINE_FROZEN: case CPU_DOWN_FAILED: case CPU_DOWN_FAILED_FROZEN: + if (!iucv_path_table) + break; smp_call_function_single(cpu, iucv_declare_cpu, NULL, 1); break; case CPU_DOWN_PREPARE: case CPU_DOWN_PREPARE_FROZEN: + if (!iucv_path_table) + break; cpumask = iucv_buffer_cpumask; cpu_clear(cpu, cpumask); if (cpus_empty(cpumask)) -- cgit v0.10.2 From 4696b64d234b84b5b70ffd49a76833aa5c49cb61 Mon Sep 17 00:00:00 2001 From: Julian Calaby Date: Mon, 5 Jan 2009 18:13:49 -0800 Subject: sparc: Fix minor SPARC32 compile error When CONFIG_PROC_FS is unset, include/linux/interrupt.h defines init_irq_proc() as an empty function. arch/sparc/kernel/irq_32.c defines this function unconditionally. Fix the latter so that it only defines this function when CONFIG_PROC_FS is set. This fixes the following error: arch/sparc/kernel/irq_32.c:672: error: redefinition of 'init_irq_proc' include/linux/interrupt.h:461: error: previous definition of 'init_irq_proc' was here This was found using randconfig builds. Signed-off-by: Julian Calaby Signed-off-by: David S. Miller diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index f3488c4..1eff942 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -669,7 +669,9 @@ void __init init_IRQ(void) btfixup(); } +#ifdef CONFIG_PROC_FS void init_irq_proc(void) { /* For now, nothing... */ } +#endif /* CONFIG_PROC_FS */ -- cgit v0.10.2 From 6f57321422e0d359e83c978c2b03db77b967b7d5 Mon Sep 17 00:00:00 2001 From: Jarek Poplawski Date: Mon, 5 Jan 2009 18:14:19 -0800 Subject: pkt_sched: cls_u32: Fix locking in u32_change() New nodes are inserted in u32_change() under rtnl_lock() with wmb(), so without tcf_tree_lock() like in other classifiers (e.g. cls_fw). This isn't enough without rmb() on the read side, but on the other hand adding such barriers doesn't give any savings, so the lock is added instead. Reported-by: m0sia Signed-off-by: Jarek Poplawski Signed-off-by: David S. Miller diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 05d1780..07372f6 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -638,8 +638,9 @@ static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle, break; n->next = *ins; - wmb(); + tcf_tree_lock(tp); *ins = n; + tcf_tree_unlock(tp); *arg = (unsigned long)n; return 0; -- cgit v0.10.2 From 0f840011f0396dcb97ca82c64fd43f6990a574dd Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Mon, 5 Jan 2009 18:16:14 -0800 Subject: myri10ge: print MAC and serial number on probe failure To help board identification and diagnosis, print the MAC and serial number on probe failure if they are available. Signed-off-by: Brice Goglin Signed-off-by: David S. Miller diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 5e70180..6bb71b6 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.4-1.395" +#define MYRI10GE_VERSION_STR "1.4.4-1.398" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -3929,6 +3929,10 @@ abort_with_firmware: myri10ge_dummy_rdma(mgp, 0); abort_with_ioremap: + if (mgp->mac_addr_string != NULL) + dev_err(&pdev->dev, + "myri10ge_probe() failed: MAC=%s, SN=%ld\n", + mgp->mac_addr_string, mgp->serial_number); iounmap(mgp->sram); abort_with_mtrr: -- cgit v0.10.2 From 8306c952a523ad2f87c101427c3ece91176b822c Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jan 2009 18:17:33 -0800 Subject: qlge: Fix sparse warnings for byte swapping in qlge_ethool.c drivers/net/qlge/qlge_ethtool.c:59:23: warning: cast to restricted type drivers/net/qlge/qlge_ethtool.c:59:21: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_ethtool.c:59:21: expected restricted unsigned short [usertype] irq_delay drivers/net/qlge/qlge_ethtool.c:59:21: got unsigned short [unsigned] [usertype] drivers/net/qlge/qlge_ethtool.c:61:8: warning: cast to restricted type drivers/net/qlge/qlge_ethtool.c:60:21: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_ethtool.c:60:21: expected restricted unsigned short [usertype] pkt_delay drivers/net/qlge/qlge_ethtool.c:60:21: got unsigned short [unsigned] [usertype] drivers/net/qlge/qlge_ethtool.c:82:23: warning: cast to restricted type drivers/net/qlge/qlge_ethtool.c:82:21: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_ethtool.c:82:21: expected restricted unsigned short [usertype] irq_delay drivers/net/qlge/qlge_ethtool.c:82:21: got unsigned short [unsigned] [usertype] drivers/net/qlge/qlge_ethtool.c:84:8: warning: cast to restricted type drivers/net/qlge/qlge_ethtool.c:83:21: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_ethtool.c:83:21: expected restricted unsigned short [usertype] pkt_delay drivers/net/qlge/qlge_ethtool.c:83:21: got unsigned short [unsigned] [usertype] Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c index eefb81b..9d922e2 100644 --- a/drivers/net/qlge/qlge_ethtool.c +++ b/drivers/net/qlge/qlge_ethtool.c @@ -56,9 +56,9 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) for (i = 1; i < qdev->rss_ring_first_cq_id; i++, rx_ring++) { rx_ring = &qdev->rx_ring[i]; cqicb = (struct cqicb *)rx_ring; - cqicb->irq_delay = le16_to_cpu(qdev->tx_coalesce_usecs); + cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs); cqicb->pkt_delay = - le16_to_cpu(qdev->tx_max_coalesced_frames); + cpu_to_le16(qdev->tx_max_coalesced_frames); cqicb->flags = FLAGS_LI; status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), CFG_LCQ, rx_ring->cq_id); @@ -79,9 +79,9 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev) i++) { rx_ring = &qdev->rx_ring[i]; cqicb = (struct cqicb *)rx_ring; - cqicb->irq_delay = le16_to_cpu(qdev->rx_coalesce_usecs); + cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs); cqicb->pkt_delay = - le16_to_cpu(qdev->rx_max_coalesced_frames); + cpu_to_le16(qdev->rx_max_coalesced_frames); cqicb->flags = FLAGS_LI; status = ql_write_cfg(qdev, cqicb, sizeof(cqicb), CFG_LCQ, rx_ring->cq_id); -- cgit v0.10.2 From a303ce0972d04036316e85568682a2b89fe123d9 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jan 2009 18:18:22 -0800 Subject: qlge: Fix sparse endian warning for inbound packet control block flags. Changed flags element from __le32 to 3 reserved bytes and one byte of flags. Changed flags bit definitions to reflect byte width instead of __le32 width. Warnings: drivers/net/qlge/qlge_main.c:1206:16: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1207:16: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1233:17: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1276:17: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1349:19: warning: restricted degrades to integer Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 97321bb..71cc487 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -979,10 +979,11 @@ struct ib_mac_iocb_rsp { __le16 reserved1; __le32 reserved2[6]; - __le32 flags4; -#define IB_MAC_IOCB_RSP_HV 0x20000000 /* */ -#define IB_MAC_IOCB_RSP_HS 0x40000000 /* */ -#define IB_MAC_IOCB_RSP_HL 0x80000000 /* */ + u8 reserved3[3]; + u8 flags4; +#define IB_MAC_IOCB_RSP_HV 0x20 +#define IB_MAC_IOCB_RSP_HS 0x40 +#define IB_MAC_IOCB_RSP_HL 0x80 __le32 hdr_len; /* */ __le32 hdr_addr_lo; /* */ __le32 hdr_addr_hi; /* */ diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c index 47df304..3f5e02d 100644 --- a/drivers/net/qlge/qlge_dbg.c +++ b/drivers/net/qlge/qlge_dbg.c @@ -821,14 +821,11 @@ void ql_dump_ib_mac_rsp(struct ib_mac_iocb_rsp *ib_mac_rsp) le16_to_cpu(ib_mac_rsp->vlan_id)); printk(KERN_ERR PFX "flags4 = %s%s%s.\n", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HV ? "HV " : "", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HS ? "HS " : "", - le32_to_cpu(ib_mac_rsp-> - flags4) & IB_MAC_IOCB_RSP_HL ? "HL " : ""); - - if (le32_to_cpu(ib_mac_rsp->flags4) & IB_MAC_IOCB_RSP_HV) { + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV ? "HV " : "", + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HS ? "HS " : "", + ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HL ? "HL " : ""); + + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) { printk(KERN_ERR PFX "hdr length = %d.\n", le32_to_cpu(ib_mac_rsp->hdr_len)); printk(KERN_ERR PFX "hdr addr_hi = 0x%x.\n", -- cgit v0.10.2 From fd2df4f7439cd3e87090e067d5aec8f1336f4f0e Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jan 2009 18:18:45 -0800 Subject: qlge: Fix sparse endian warning in ql_hw_csum_setup(). Changed u16 to __sum16 usage. Warnings: drivers/net/qlge/qlge_main.c:1897:9: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:1897:9: expected unsigned short [usertype] *check drivers/net/qlge/qlge_main.c:1897:9: got restricted unsigned short * drivers/net/qlge/qlge_main.c:1903:9: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:1903:9: expected unsigned short [usertype] *check drivers/net/qlge/qlge_main.c:1903:9: got restricted unsigned short * drivers/net/qlge/qlge_main.c:1909:9: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:1909:9: expected unsigned short [unsigned] [short] [usertype] Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 837be72..d7894aa 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1884,7 +1884,7 @@ static void ql_hw_csum_setup(struct sk_buff *skb, { int len; struct iphdr *iph = ip_hdr(skb); - u16 *check; + __sum16 *check; mac_iocb_ptr->opcode = OPCODE_OB_MAC_TSO_IOCB; mac_iocb_ptr->frame_len = cpu_to_le32((u32) skb->len); mac_iocb_ptr->net_trans_offset = -- cgit v0.10.2 From 2c9a0d41e944807bf763f42e4a3526210e98c741 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jan 2009 18:19:20 -0800 Subject: qlge: Fix sparse warning regarding rx buffer queues. Warnings: drivers/net/qlge/qlge_main.c:909:17: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:909:17: expected unsigned int [unsigned] [usertype] addr_lo drivers/net/qlge/qlge_main.c:909:17: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:911:17: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:911:17: expected unsigned int [unsigned] [usertype] addr_hi drivers/net/qlge/qlge_main.c:911:17: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:974:17: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:974:17: expected unsigned int [unsigned] [usertype] addr_lo drivers/net/qlge/qlge_main.c:974:17: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:975:17: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:975:17: expected unsigned int [unsigned] [usertype] addr_hi drivers/net/qlge/qlge_main.c:975:17: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:2132:16: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:2132:16: expected unsigned int [unsigned] [usertype] addr_lo drivers/net/qlge/qlge_main.c:2132:16: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:2133:16: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:2133:16: expected unsigned int [unsigned] [usertype] addr_hi drivers/net/qlge/qlge_main.c:2133:16: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:2212:15: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:2212:15: expected unsigned int [unsigned] [usertype] addr_lo drivers/net/qlge/qlge_main.c:2212:15: got restricted unsigned int [usertype] drivers/net/qlge/qlge_main.c:2214:15: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:2214:15: expected unsigned int [unsigned] [usertype] addr_hi drivers/net/qlge/qlge_main.c:2214:15: got restricted unsigned int [usertype] Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 71cc487..76ef2bc 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -818,15 +818,6 @@ struct tx_doorbell_context { }; /* DATA STRUCTURES SHARED WITH HARDWARE. */ - -struct bq_element { - u32 addr_lo; -#define BQ_END 0x00000001 -#define BQ_CONT 0x00000002 -#define BQ_MASK 0x00000003 - u32 addr_hi; -} __attribute((packed)); - struct tx_buf_desc { __le64 addr; __le32 len; @@ -1139,7 +1130,7 @@ struct bq_desc { struct page *lbq_page; struct sk_buff *skb; } p; - struct bq_element *bq; + __le64 *addr; int index; DECLARE_PCI_UNMAP_ADDR(mapaddr); DECLARE_PCI_UNMAP_LEN(maplen); diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index d7894aa..f4c0160 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -874,7 +874,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) { int clean_idx = rx_ring->lbq_clean_idx; struct bq_desc *lbq_desc; - struct bq_element *bq; u64 map; int i; @@ -884,7 +883,6 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) "lbq: try cleaning clean_idx = %d.\n", clean_idx); lbq_desc = &rx_ring->lbq[clean_idx]; - bq = lbq_desc->bq; if (lbq_desc->p.lbq_page == NULL) { QPRINTK(qdev, RX_STATUS, DEBUG, "lbq: getting new page for index %d.\n", @@ -906,10 +904,7 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) } pci_unmap_addr_set(lbq_desc, mapaddr, map); pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); - bq->addr_lo = /*lbq_desc->addr_lo = */ - cpu_to_le32(map); - bq->addr_hi = /*lbq_desc->addr_hi = */ - cpu_to_le32(map >> 32); + *lbq_desc->addr = cpu_to_le64(map); } clean_idx++; if (clean_idx == rx_ring->lbq_len) @@ -934,7 +929,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) { int clean_idx = rx_ring->sbq_clean_idx; struct bq_desc *sbq_desc; - struct bq_element *bq; u64 map; int i; @@ -944,7 +938,6 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) QPRINTK(qdev, RX_STATUS, DEBUG, "sbq: try cleaning clean_idx = %d.\n", clean_idx); - bq = sbq_desc->bq; if (sbq_desc->p.skb == NULL) { QPRINTK(qdev, RX_STATUS, DEBUG, "sbq: getting new skb for index %d.\n", @@ -971,8 +964,7 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); - bq->addr_lo = cpu_to_le32(map); - bq->addr_hi = cpu_to_le32(map >> 32); + *sbq_desc->addr = cpu_to_le64(map); } clean_idx++; @@ -1340,7 +1332,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, * eventually be in trouble. */ int size, offset, i = 0; - struct bq_element *bq, bq_array[8]; + __le64 *bq, bq_array[8]; sbq_desc = ql_get_curr_sbuf(rx_ring); pci_unmap_single(qdev->pdev, pci_unmap_addr(sbq_desc, mapaddr), @@ -1366,16 +1358,10 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, } else { QPRINTK(qdev, RX_STATUS, DEBUG, "Headers in small, %d bytes of data in chain of large.\n", length); - bq = (struct bq_element *)sbq_desc->p.skb->data; + bq = (__le64 *)sbq_desc->p.skb->data; } while (length > 0) { lbq_desc = ql_get_curr_lbuf(rx_ring); - if ((bq->addr_lo & ~BQ_MASK) != lbq_desc->bq->addr_lo) { - QPRINTK(qdev, RX_STATUS, ERR, - "Panic!!! bad large buffer address, expected 0x%.08x, got 0x%.08x.\n", - lbq_desc->bq->addr_lo, bq->addr_lo); - return NULL; - } pci_unmap_page(qdev->pdev, pci_unmap_addr(lbq_desc, mapaddr), @@ -2093,8 +2079,6 @@ static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring put_page(lbq_desc->p.lbq_page); lbq_desc->p.lbq_page = NULL; } - lbq_desc->bq->addr_lo = 0; - lbq_desc->bq->addr_hi = 0; } } @@ -2107,12 +2091,12 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev, int i; struct bq_desc *lbq_desc; u64 map; - struct bq_element *bq = rx_ring->lbq_base; + __le64 *bq = rx_ring->lbq_base; for (i = 0; i < rx_ring->lbq_len; i++) { lbq_desc = &rx_ring->lbq[i]; memset(lbq_desc, 0, sizeof(lbq_desc)); - lbq_desc->bq = bq; + lbq_desc->addr = bq; lbq_desc->index = i; lbq_desc->p.lbq_page = alloc_page(GFP_ATOMIC); if (unlikely(!lbq_desc->p.lbq_page)) { @@ -2129,8 +2113,7 @@ static int ql_alloc_lbq_buffers(struct ql_adapter *qdev, } pci_unmap_addr_set(lbq_desc, mapaddr, map); pci_unmap_len_set(lbq_desc, maplen, PAGE_SIZE); - bq->addr_lo = cpu_to_le32(map); - bq->addr_hi = cpu_to_le32(map >> 32); + *lbq_desc->addr = cpu_to_le64(map); } bq++; } @@ -2159,13 +2142,6 @@ static void ql_free_sbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring dev_kfree_skb(sbq_desc->p.skb); sbq_desc->p.skb = NULL; } - if (sbq_desc->bq == NULL) { - QPRINTK(qdev, IFUP, ERR, "sbq_desc->bq %d is NULL.\n", - i); - return; - } - sbq_desc->bq->addr_lo = 0; - sbq_desc->bq->addr_hi = 0; } } @@ -2177,13 +2153,13 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev, struct bq_desc *sbq_desc; struct sk_buff *skb; u64 map; - struct bq_element *bq = rx_ring->sbq_base; + __le64 *bq = rx_ring->sbq_base; for (i = 0; i < rx_ring->sbq_len; i++) { sbq_desc = &rx_ring->sbq[i]; memset(sbq_desc, 0, sizeof(sbq_desc)); sbq_desc->index = i; - sbq_desc->bq = bq; + sbq_desc->addr = bq; skb = netdev_alloc_skb(qdev->ndev, rx_ring->sbq_buf_size); if (unlikely(!skb)) { /* Better luck next round */ @@ -2209,10 +2185,7 @@ static int ql_alloc_sbq_buffers(struct ql_adapter *qdev, } pci_unmap_addr_set(sbq_desc, mapaddr, map); pci_unmap_len_set(sbq_desc, maplen, rx_ring->sbq_buf_size / 2); - bq->addr_lo = /*sbq_desc->addr_lo = */ - cpu_to_le32(map); - bq->addr_hi = /*sbq_desc->addr_hi = */ - cpu_to_le32(map >> 32); + *sbq_desc->addr = cpu_to_le64(map); bq++; } return 0; @@ -3356,11 +3329,11 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = - rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_len * sizeof(__le64); rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = - rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_len * sizeof(__le64); rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; rx_ring->type = DEFAULT_Q; } else if (i < qdev->rss_ring_first_cq_id) { @@ -3387,11 +3360,11 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = - rx_ring->lbq_len * sizeof(struct bq_element); + rx_ring->lbq_len * sizeof(__le64); rx_ring->lbq_buf_size = LARGE_BUFFER_SIZE; rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = - rx_ring->sbq_len * sizeof(struct bq_element); + rx_ring->sbq_len * sizeof(__le64); rx_ring->sbq_buf_size = SMALL_BUFFER_SIZE * 2; rx_ring->type = RX_Q; } -- cgit v0.10.2 From 3537d54c0c39de5738bba8d19f128478b0b96a71 Mon Sep 17 00:00:00 2001 From: Ron Mercer Date: Mon, 5 Jan 2009 18:19:59 -0800 Subject: qlge: Fix sparse warnings for tx ring indexes. Warnings: drivers/net/qlge/qlge_main.c:1474:34: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1475:36: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1592:51: warning: restricted degrades to integer drivers/net/qlge/qlge_main.c:1941:20: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:1941:20: expected restricted unsigned int [usertype] tid drivers/net/qlge/qlge_main.c:1941:20: got int [signed] index drivers/net/qlge/qlge_main.c:1945:24: warning: incorrect type in assignment (different base types) drivers/net/qlge/qlge_main.c:1945:24: expected restricted unsigned int [usertype] txq_idx drivers/net/qlge/qlge_main.c:1945:24: got unsigned int [unsigned] [usertype] tx_ring_idx Signed-off-by: Ron Mercer Signed-off-by: David S. Miller diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index 76ef2bc..459663a 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -851,8 +851,8 @@ struct ob_mac_iocb_req { __le16 frame_len; #define OB_MAC_IOCB_LEN_MASK 0x3ffff __le16 reserved2; - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved3; __le16 vlan_tci; __le16 reserved4; @@ -871,8 +871,8 @@ struct ob_mac_iocb_rsp { u8 flags2; /* */ u8 flags3; /* */ #define OB_MAC_IOCB_RSP_B 0x80 /* */ - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved[13]; } __attribute((packed)); @@ -894,8 +894,8 @@ struct ob_mac_tso_iocb_req { #define OB_MAC_TSO_IOCB_V 0x04 __le32 reserved1[2]; __le32 frame_len; - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le16 total_hdrs_len; __le16 net_trans_offset; #define OB_MAC_TRANSPORT_HDR_SHIFT 6 @@ -916,8 +916,8 @@ struct ob_mac_tso_iocb_rsp { u8 flags2; /* */ u8 flags3; /* */ #define OB_MAC_TSO_IOCB_RSP_B 0x8000 - __le32 tid; - __le32 txq_idx; + u32 tid; + u32 txq_idx; __le32 reserved2[13]; } __attribute((packed)); @@ -1118,7 +1118,7 @@ struct map_list { struct tx_ring_desc { struct sk_buff *skb; struct ob_mac_iocb_req *queue_entry; - int index; + u32 index; struct oal oal; struct map_list map[MAX_SKB_FRAGS + 1]; int map_cnt; @@ -1131,7 +1131,7 @@ struct bq_desc { struct sk_buff *skb; } p; __le64 *addr; - int index; + u32 index; DECLARE_PCI_UNMAP_ADDR(mapaddr); DECLARE_PCI_UNMAP_LEN(maplen); }; -- cgit v0.10.2 From f1b11e505463fd597ab7963df26dd1f446dcceae Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 5 Jan 2009 14:04:40 +0000 Subject: i2o: Update my address Signed-off-by: Alan Cox Signed-off-by: Linus Torvalds diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 56faef1..06c655c 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -19,7 +19,7 @@ * Auvo Häkkinen * Deepak Saxena * Boji T Kannanthanam - * Alan Cox : + * Alan Cox : * Ported to Linux 2.5. * Markus Lidel : * Minor fixes for 2.6. diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index f3384c3..efba702 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -19,7 +19,7 @@ * Changed ioctl_swdl(), implemented ioctl_swul() and ioctl_swdel() * Deepak Saxena (11/18/1999): * Added event managmenet support - * Alan Cox : + * Alan Cox : * 2.4 rewrite ported to 2.5 * Markus Lidel : * Added pass-thru support for Adaptec's raidutils diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index 6e53a30..35c67d1 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -19,7 +19,7 @@ * Auvo Häkkinen * Deepak Saxena * Boji T Kannanthanam - * Alan Cox : + * Alan Cox : * Ported to Linux 2.5. * Markus Lidel : * Minor fixes for 2.6. diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 610ef12..25d6f23 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -19,7 +19,7 @@ * Auvo Häkkinen * Deepak Saxena * Boji T Kannanthanam - * Alan Cox : + * Alan Cox : * Ported to Linux 2.5. * Markus Lidel : * Minor fixes for 2.6. -- cgit v0.10.2 From e8c82c2e23e3527e0c9dc195e432c16784d270fa Mon Sep 17 00:00:00 2001 From: Nick Piggin Date: Tue, 6 Jan 2009 03:05:50 +0100 Subject: mm lockless pagecache barrier fix An XFS workload showed up a bug in the lockless pagecache patch. Basically it would go into an "infinite" loop, although it would sometimes be able to break out of the loop! The reason is a missing compiler barrier in the "increment reference count unless it was zero" case of the lockless pagecache protocol in the gang lookup functions. This would cause the compiler to use a cached value of struct page pointer to retry the operation with, rather than reload it. So the page might have been removed from pagecache and freed (refcount==0) but the lookup would not correctly notice the page is no longer in pagecache, and keep attempting to increment the refcount and failing, until the page gets reallocated for something else. This isn't a data corruption because the condition will be detected if the page has been reallocated. However it can result in a lockup. Linus points out that ACCESS_ONCE is also required in that pointer load, even if it's absence is not causing a bug on our particular build. The most general way to solve this is just to put an rcu_dereference in radix_tree_deref_slot. Assembly of find_get_pages, before: .L220: movq (%rbx), %rax #* ivtmp.1162, tmp82 movq (%rax), %rdi #, prephitmp.1149 .L218: testb $1, %dil #, prephitmp.1149 jne .L217 #, testq %rdi, %rdi # prephitmp.1149 je .L203 #, cmpq $-1, %rdi #, prephitmp.1149 je .L217 #, movl 8(%rdi), %esi # ._count.counter, c testl %esi, %esi # c je .L218 #, after: .L212: movq (%rbx), %rax #* ivtmp.1109, tmp81 movq (%rax), %rdi #, ret testb $1, %dil #, ret jne .L211 #, testq %rdi, %rdi # ret je .L197 #, cmpq $-1, %rdi #, ret je .L211 #, movl 8(%rdi), %esi # ._count.counter, c testl %esi, %esi # c je .L212 #, (notice the obvious infinite loop in the first example, if page->count remains 0) Signed-off-by: Nick Piggin Reviewed-by: Paul E. McKenney Signed-off-by: Linus Torvalds diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index a916c66..355f6e8 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -136,7 +136,7 @@ do { \ */ static inline void *radix_tree_deref_slot(void **pslot) { - void *ret = *pslot; + void *ret = rcu_dereference(*pslot); if (unlikely(radix_tree_is_indirect_ptr(ret))) ret = RADIX_TREE_RETRY; return ret; -- cgit v0.10.2 From e42e4ba07bc72c0eb7c7ab3bf9e5076db90d0f37 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 5 Jan 2009 18:47:12 -0800 Subject: igb: fix anoying type mismatch warning on rx/tx queue sizing When using "min()", the types of both sides should match. With the cpu mask changes, the type of num_online_cpus() will now depend on config options. Use "min_t()" with an explicit type instead. And make the rx/tx case look the same too, just for sanity. Signed-off-by: Linus Torvalds diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 022794e..b82b0fb 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -1457,8 +1457,8 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) /* Number of supported queues. */ /* Having more queues than CPUs doesn't make sense. */ - adapter->num_rx_queues = min((u32)IGB_MAX_RX_QUEUES, (u32)num_online_cpus()); - adapter->num_tx_queues = min(IGB_MAX_TX_QUEUES, num_online_cpus()); + adapter->num_rx_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); + adapter->num_tx_queues = min_t(u32, IGB_MAX_TX_QUEUES, num_online_cpus()); /* This call may decrease the number of queues depending on * interrupt mode. */ -- cgit v0.10.2 From a1b51e98676932d031f5eec1325b2df4bbdc8f26 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 6 Jan 2009 03:04:53 +0000 Subject: dm table: drop reference at unbind Move one dm_table_put() so that the last reference in the thread gets dropped in __unbind(). This is required for a following patch, dm-table-rework-reference-counting.patch, which will change the logic in such a way that table destructor is called only at specific points in the code. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 421c9f0..8237141 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1330,8 +1330,8 @@ void dm_put(struct mapped_device *md) dm_table_presuspend_targets(map); dm_table_postsuspend_targets(map); } - __unbind(md); dm_table_put(map); + __unbind(md); free_dev(md); } } -- cgit v0.10.2 From 90fa1527bddc7147dc0d590ee6184ca88bc50ecf Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 6 Jan 2009 03:04:54 +0000 Subject: dm snapshot: change yield to msleep Change yield() to msleep(1). If the thread had realtime priority, yield() doesn't really yield, so the yielding process would loop indefinitely and cause machine lockup. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 6c96db2..4ceedd4 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -735,7 +736,7 @@ static void snapshot_dtr(struct dm_target *ti) unregister_snapshot(s); while (atomic_read(&s->pending_exceptions_count)) - yield(); + msleep(1); /* * Ensure instructions in mempool_destroy aren't reordered * before atomic_read. @@ -888,10 +889,10 @@ static void pending_complete(struct dm_snap_pending_exception *pe, int success) /* * Check for conflicting reads. This is extremely improbable, - * so yield() is sufficient and there is no need for a wait queue. + * so msleep(1) is sufficient and there is no need for a wait queue. */ while (__chunk_is_tracked(s, pe->e.old_chunk)) - yield(); + msleep(1); /* * Add a proper exception, and remove the -- cgit v0.10.2 From c7a2bd19b7c1e0bd2c7604c53d2583e91e536948 Mon Sep 17 00:00:00 2001 From: Takahiro Yasui Date: Tue, 6 Jan 2009 03:04:56 +0000 Subject: dm log: fix dm_io_client leak on error paths In create_log_context function, dm_io_client_destroy function needs to be called, when memory allocation of disk_header, sync_bits and recovering_bits failed, but dm_io_client_destroy is not called. Cc: stable@kernel.org Signed-off-by: Takahiro Yasui Acked-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index a8c0fc7..13e2a1a 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -467,6 +467,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, lc->disk_header = vmalloc(buf_size); if (!lc->disk_header) { DMWARN("couldn't allocate disk log buffer"); + dm_io_client_destroy(lc->io_req.client); kfree(lc); return -ENOMEM; } @@ -482,6 +483,8 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, DMWARN("couldn't allocate sync bitset"); if (!dev) vfree(lc->clean_bits); + else + dm_io_client_destroy(lc->io_req.client); vfree(lc->disk_header); kfree(lc); return -ENOMEM; @@ -495,6 +498,8 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, vfree(lc->sync_bits); if (!dev) vfree(lc->clean_bits); + else + dm_io_client_destroy(lc->io_req.client); vfree(lc->disk_header); kfree(lc); return -ENOMEM; -- cgit v0.10.2 From d460c65a6a9ec9e0d284864ec3a9a2d1b73f0e43 Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Tue, 6 Jan 2009 03:04:57 +0000 Subject: dm raid1: fix error count Always increase the error count when I/O on a leg of a mirror fails. The error count is used to decide whether to select an alternative mirror leg. If the target doesn't use the "handle_errors" feature, the error count is not updated and the bio can get requeued forever by the read callback. Fix it by increasing error_count before the handle_errors feature checking. Cc: stable@kernel.org Signed-off-by: Milan Broz Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index ec43f9f..d0fed2b 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -197,9 +197,6 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type) struct mirror_set *ms = m->ms; struct mirror *new; - if (!errors_handled(ms)) - return; - /* * error_count is used for nothing more than a * simple way to tell if a device has encountered @@ -210,6 +207,9 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type) if (test_and_set_bit(error_type, &m->error_type)) return; + if (!errors_handled(ms)) + return; + if (m != get_default_mirror(ms)) goto out; -- cgit v0.10.2 From 10d3bd09a3c25df114f74f7f86e1b58d070bef32 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 6 Jan 2009 03:04:58 +0000 Subject: dm: consolidate target deregistration error handling Change dm_unregister_target to return void and use BUG() for error reporting. dm_unregister_target can only fail because of programming bug in the target driver. It can't fail because of user's behavior or disk errors. This patch changes unregister_target to return void and use BUG if someone tries to unregister non-registered target or unregister target that is in use. This patch removes code duplication (testing of error codes in all dm targets) and reports bugs in just one place, in dm_unregister_target. In some target drivers, these return codes were ignored, which could lead to a situation where bugs could be missed. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 3326750..35bda49 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1322,11 +1322,7 @@ static int __init dm_crypt_init(void) static void __exit dm_crypt_exit(void) { - int r = dm_unregister_target(&crypt_target); - - if (r < 0) - DMERR("unregister failed %d", r); - + dm_unregister_target(&crypt_target); kmem_cache_destroy(_crypt_io_pool); } diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index 848b381..59ee1b0 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -364,11 +364,7 @@ bad_queue: static void __exit dm_delay_exit(void) { - int r = dm_unregister_target(&delay_target); - - if (r < 0) - DMERR("unregister failed %d", r); - + dm_unregister_target(&delay_target); kmem_cache_destroy(delayed_cache); destroy_workqueue(kdelayd_wq); } diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 44042be..79fb53e 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -156,8 +156,5 @@ int __init dm_linear_init(void) void dm_linear_exit(void) { - int r = dm_unregister_target(&linear_target); - - if (r < 0) - DMERR("unregister failed %d", r); + dm_unregister_target(&linear_target); } diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 3d7f492..345a260 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1495,14 +1495,10 @@ static int __init dm_multipath_init(void) static void __exit dm_multipath_exit(void) { - int r; - destroy_workqueue(kmpath_handlerd); destroy_workqueue(kmultipathd); - r = dm_unregister_target(&multipath_target); - if (r < 0) - DMERR("target unregister failed %d", r); + dm_unregister_target(&multipath_target); kmem_cache_destroy(_mpio_cache); } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index d0fed2b..250f401 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1300,11 +1300,7 @@ static int __init dm_mirror_init(void) static void __exit dm_mirror_exit(void) { - int r; - - r = dm_unregister_target(&mirror_target); - if (r < 0) - DMERR("unregister failed %d", r); + dm_unregister_target(&mirror_target); } /* Module hooks */ diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 4ceedd4..a8005b4 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1470,17 +1470,10 @@ static int __init dm_snapshot_init(void) static void __exit dm_snapshot_exit(void) { - int r; - destroy_workqueue(ksnapd); - r = dm_unregister_target(&snapshot_target); - if (r) - DMERR("snapshot unregister failed %d", r); - - r = dm_unregister_target(&origin_target); - if (r) - DMERR("origin unregister failed %d", r); + dm_unregister_target(&snapshot_target); + dm_unregister_target(&origin_target); exit_origin_hash(); kmem_cache_destroy(pending_cache); diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 9e4ef88..41569bc 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -337,9 +337,7 @@ int __init dm_stripe_init(void) void dm_stripe_exit(void) { - if (dm_unregister_target(&stripe_target)) - DMWARN("target unregistration failed"); - + dm_unregister_target(&stripe_target); destroy_workqueue(kstriped); return; diff --git a/drivers/md/dm-target.c b/drivers/md/dm-target.c index 835cf95..7decf10 100644 --- a/drivers/md/dm-target.c +++ b/drivers/md/dm-target.c @@ -130,26 +130,26 @@ int dm_register_target(struct target_type *t) return rv; } -int dm_unregister_target(struct target_type *t) +void dm_unregister_target(struct target_type *t) { struct tt_internal *ti; down_write(&_lock); if (!(ti = __find_target_type(t->name))) { - up_write(&_lock); - return -EINVAL; + DMCRIT("Unregistering unrecognised target: %s", t->name); + BUG(); } if (ti->use) { - up_write(&_lock); - return -ETXTBSY; + DMCRIT("Attempt to unregister target still in use: %s", + t->name); + BUG(); } list_del(&ti->list); kfree(ti); up_write(&_lock); - return 0; } /* @@ -187,8 +187,7 @@ int __init dm_target_init(void) void dm_target_exit(void) { - if (dm_unregister_target(&error_target)) - DMWARN("error target unregistration failed"); + dm_unregister_target(&error_target); } EXPORT_SYMBOL(dm_register_target); diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c index cdbf126..bbc9703 100644 --- a/drivers/md/dm-zero.c +++ b/drivers/md/dm-zero.c @@ -69,10 +69,7 @@ static int __init dm_zero_init(void) static void __exit dm_zero_exit(void) { - int r = dm_unregister_target(&zero_target); - - if (r < 0) - DMERR("unregister failed %d", r); + dm_unregister_target(&zero_target); } module_init(dm_zero_init) diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index c17fd33..89ff2df 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -157,8 +157,7 @@ struct dm_target { }; int dm_register_target(struct target_type *t); -int dm_unregister_target(struct target_type *t); - +void dm_unregister_target(struct target_type *t); /*----------------------------------------------------------------- * Functions for creating and manipulating mapped devices. @@ -276,6 +275,9 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); *---------------------------------------------------------------*/ #define DM_NAME "device-mapper" +#define DMCRIT(f, arg...) \ + printk(KERN_CRIT DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) + #define DMERR(f, arg...) \ printk(KERN_ERR DM_NAME ": " DM_MSG_PREFIX ": " f "\n", ## arg) #define DMERR_LIMIT(f, arg...) \ -- cgit v0.10.2 From 6f3af01cb0eda0ec50fe1e4cbdf028269dc396fe Mon Sep 17 00:00:00 2001 From: Takahiro Yasui Date: Tue, 6 Jan 2009 03:04:59 +0000 Subject: dm log: avoid reinitialising io_req on every operation rw_header function updates three members of io_req data every time when I/O is processed. bi_rw and notify.fn are never modified once they get initialized, and so they can be set in advance. header_to_disk() can also be pulled out of write_header() since only one caller needs it and write_header() can be replaced by rw_header() directly. Signed-off-by: Takahiro Yasui Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 13e2a1a..691cb9c 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -326,8 +326,6 @@ static void header_from_disk(struct log_header *core, struct log_header *disk) static int rw_header(struct log_c *lc, int rw) { lc->io_req.bi_rw = rw; - lc->io_req.mem.ptr.vma = lc->disk_header; - lc->io_req.notify.fn = NULL; return dm_io(&lc->io_req, 1, &lc->header_location, NULL); } @@ -362,12 +360,6 @@ static int read_header(struct log_c *log) return 0; } -static inline int write_header(struct log_c *log) -{ - header_to_disk(&log->header, log->disk_header); - return rw_header(log, WRITE); -} - /*---------------------------------------------------------------- * core log constructor/destructor * @@ -454,7 +446,9 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + bitset_size, ti->limits.hardsect_size); lc->header_location.count = buf_size >> SECTOR_SHIFT; + lc->io_req.mem.type = DM_IO_VMA; + lc->io_req.notify.fn = NULL; lc->io_req.client = dm_io_client_create(dm_div_up(buf_size, PAGE_SIZE)); if (IS_ERR(lc->io_req.client)) { @@ -472,6 +466,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, return -ENOMEM; } + lc->io_req.mem.ptr.vma = lc->disk_header; lc->clean_bits = (void *)lc->disk_header + (LOG_OFFSET << SECTOR_SHIFT); } @@ -636,8 +631,10 @@ static int disk_resume(struct dm_dirty_log *log) /* set the correct number of regions in the header */ lc->header.nr_regions = lc->region_count; + header_to_disk(&lc->header, lc->disk_header); + /* write the new header */ - r = write_header(lc); + r = rw_header(lc, WRITE); if (r) { DMWARN("%s: Failed to write header on dirty region log device", lc->log_dev->name); @@ -687,7 +684,7 @@ static int disk_flush(struct dm_dirty_log *log) if (!lc->touched) return 0; - r = write_header(lc); + r = rw_header(lc, WRITE); if (r) fail_log_device(lc); else -- cgit v0.10.2 From 2045e88edb4e0c9ce62d317f77dc59d27d9c530e Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Tue, 6 Jan 2009 03:05:01 +0000 Subject: dm log: move region_size validation Move log size validation from mirror target to log constructor. Removed PAGE_SIZE restriction we no longer think necessary. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 691cb9c..40ed70d 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -360,6 +360,17 @@ static int read_header(struct log_c *log) return 0; } +static int _check_region_size(struct dm_target *ti, uint32_t region_size) +{ + if (region_size < 2 || region_size > ti->len) + return 0; + + if (!is_power_of_2(region_size)) + return 0; + + return 1; +} + /*---------------------------------------------------------------- * core log constructor/destructor * @@ -395,8 +406,9 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, } } - if (sscanf(argv[0], "%u", ®ion_size) != 1) { - DMWARN("invalid region size string"); + if (sscanf(argv[0], "%u", ®ion_size) != 1 || + !_check_region_size(ti, region_size)) { + DMWARN("invalid region size %s", argv[0]); return -EINVAL; } diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 250f401..4d6bc10 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -808,12 +808,6 @@ static void free_context(struct mirror_set *ms, struct dm_target *ti, kfree(ms); } -static inline int _check_region_size(struct dm_target *ti, uint32_t size) -{ - return !(size % (PAGE_SIZE >> 9) || !is_power_of_2(size) || - size > ti->len); -} - static int get_mirror(struct mirror_set *ms, struct dm_target *ti, unsigned int mirror, char **argv) { @@ -872,12 +866,6 @@ static struct dm_dirty_log *create_dirty_log(struct dm_target *ti, return NULL; } - if (!_check_region_size(ti, dl->type->get_region_size(dl))) { - ti->error = "Invalid region size"; - dm_dirty_log_destroy(dl); - return NULL; - } - return dl; } -- cgit v0.10.2 From ac1f0ac22c7be908fd33407273b9808bfaedada4 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Tue, 6 Jan 2009 03:05:02 +0000 Subject: dm log: ensure log bitmap fits on log device Check that the log bitmap will fit within the log device. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index 40ed70d..737961f 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -457,6 +457,14 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, */ buf_size = dm_round_up((LOG_OFFSET << SECTOR_SHIFT) + bitset_size, ti->limits.hardsect_size); + + if (buf_size > dev->bdev->bd_inode->i_size) { + DMWARN("log device %s too small: need %llu bytes", + dev->name, (unsigned long long)buf_size); + kfree(lc); + return -EINVAL; + } + lc->header_location.count = buf_size >> SECTOR_SHIFT; lc->io_req.mem.type = DM_IO_VMA; -- cgit v0.10.2 From 23d39f63aa87e812fd879b8bc32ee6ccfe733de3 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Tue, 6 Jan 2009 03:05:04 +0000 Subject: dm ioctl: allow dm_copy_name_and_uuid to return only one field Allow NULL buffer in dm_copy_name_and_uuid if you only want to return one of the fields. (Required by a following patch that adds these fields to sysfs.) Signed-off-by: Milan Broz Reviewed-by: Alasdair G Kergon Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 777c948..8da7a01 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1550,8 +1550,10 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid) goto out; } - strcpy(name, hc->name); - strcpy(uuid, hc->uuid ? : ""); + if (name) + strcpy(name, hc->name); + if (uuid) + strcpy(uuid, hc->uuid ? : ""); out: up_read(&_hash_lock); -- cgit v0.10.2 From 8fbf26ad5b16ad3a826ca7fe3e86700420abed1f Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Tue, 6 Jan 2009 03:05:06 +0000 Subject: dm request: add caches This patch prepares some kmem_caches for request-based dm. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 8237141..4882ce7 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -32,6 +32,7 @@ static unsigned int _major = 0; static DEFINE_SPINLOCK(_minor_lock); /* + * For bio-based dm. * One of these is allocated per bio. */ struct dm_io { @@ -43,6 +44,7 @@ struct dm_io { }; /* + * For bio-based dm. * One of these is allocated per target within a bio. Hopefully * this will be simplified out one day. */ @@ -54,6 +56,27 @@ struct dm_target_io { DEFINE_TRACE(block_bio_complete); +/* + * For request-based dm. + * One of these is allocated per request. + */ +struct dm_rq_target_io { + struct mapped_device *md; + struct dm_target *ti; + struct request *orig, clone; + int error; + union map_info info; +}; + +/* + * For request-based dm. + * One of these is allocated per bio. + */ +struct dm_rq_clone_bio_info { + struct bio *orig; + struct request *rq; +}; + union map_info *dm_get_mapinfo(struct bio *bio) { if (bio && bio->bi_private) @@ -149,6 +172,8 @@ struct mapped_device { #define MIN_IOS 256 static struct kmem_cache *_io_cache; static struct kmem_cache *_tio_cache; +static struct kmem_cache *_rq_tio_cache; +static struct kmem_cache *_rq_bio_info_cache; static int __init local_init(void) { @@ -164,9 +189,17 @@ static int __init local_init(void) if (!_tio_cache) goto out_free_io_cache; + _rq_tio_cache = KMEM_CACHE(dm_rq_target_io, 0); + if (!_rq_tio_cache) + goto out_free_tio_cache; + + _rq_bio_info_cache = KMEM_CACHE(dm_rq_clone_bio_info, 0); + if (!_rq_bio_info_cache) + goto out_free_rq_tio_cache; + r = dm_uevent_init(); if (r) - goto out_free_tio_cache; + goto out_free_rq_bio_info_cache; _major = major; r = register_blkdev(_major, _name); @@ -180,6 +213,10 @@ static int __init local_init(void) out_uevent_exit: dm_uevent_exit(); +out_free_rq_bio_info_cache: + kmem_cache_destroy(_rq_bio_info_cache); +out_free_rq_tio_cache: + kmem_cache_destroy(_rq_tio_cache); out_free_tio_cache: kmem_cache_destroy(_tio_cache); out_free_io_cache: @@ -190,6 +227,8 @@ out_free_io_cache: static void local_exit(void) { + kmem_cache_destroy(_rq_bio_info_cache); + kmem_cache_destroy(_rq_tio_cache); kmem_cache_destroy(_tio_cache); kmem_cache_destroy(_io_cache); unregister_blkdev(_major, _name); -- cgit v0.10.2 From 7d76345da6ed3927c9cbf5d3f7a7021e8bba7374 Mon Sep 17 00:00:00 2001 From: Kiyoshi Ueda Date: Tue, 6 Jan 2009 03:05:07 +0000 Subject: dm request: extend target interface This patch adds the following target interfaces for request-based dm. map_rq : for mapping a request rq_end_io : for finishing a request busy : for avoiding performance regression from bio-based dm. Target can tell dm core not to map requests now, and that may help requests in the block layer queue to be bigger by I/O merging. In bio-based dm, this behavior is done by device drivers managing the block layer queue. But in request-based dm, dm core has to do that since dm core manages the block layer queue. Signed-off-by: Kiyoshi Ueda Signed-off-by: Jun'ichi Nomura Signed-off-by: Alasdair G Kergon diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 89ff2df..c1ba76c 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -45,6 +45,8 @@ typedef void (*dm_dtr_fn) (struct dm_target *ti); */ typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio, union map_info *map_context); +typedef int (*dm_map_request_fn) (struct dm_target *ti, struct request *clone, + union map_info *map_context); /* * Returns: @@ -57,6 +59,9 @@ typedef int (*dm_map_fn) (struct dm_target *ti, struct bio *bio, typedef int (*dm_endio_fn) (struct dm_target *ti, struct bio *bio, int error, union map_info *map_context); +typedef int (*dm_request_endio_fn) (struct dm_target *ti, + struct request *clone, int error, + union map_info *map_context); typedef void (*dm_flush_fn) (struct dm_target *ti); typedef void (*dm_presuspend_fn) (struct dm_target *ti); @@ -75,6 +80,13 @@ typedef int (*dm_ioctl_fn) (struct dm_target *ti, unsigned int cmd, typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm, struct bio_vec *biovec, int max_size); +/* + * Returns: + * 0: The target can handle the next I/O immediately. + * 1: The target can't handle the next I/O immediately. + */ +typedef int (*dm_busy_fn) (struct dm_target *ti); + void dm_error(const char *message); /* @@ -107,7 +119,9 @@ struct target_type { dm_ctr_fn ctr; dm_dtr_fn dtr; dm_map_fn map; + dm_map_request_fn map_rq; dm_endio_fn end_io; + dm_request_endio_fn rq_end_io; dm_flush_fn flush; dm_presuspend_fn presuspend; dm_postsuspend_fn postsuspend; @@ -117,6 +131,7 @@ struct target_type { dm_message_fn message; dm_ioctl_fn ioctl; dm_merge_fn merge; + dm_busy_fn busy; }; struct io_restrictions { -- cgit v0.10.2 From ab4c1424882be9cd70b89abf2b484add355712fa Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 6 Jan 2009 03:05:09 +0000 Subject: dm: support barriers on simple devices Implement barrier support for single device DM devices This patch implements barrier support in DM for the common case of dm linear just remapping a single underlying device. In this case we can safely pass the barrier through because there can be no reordering between devices. NB. Any DM device might cease to support barriers if it gets reconfigured so code must continue to allow for a possible -EOPNOTSUPP on every barrier bio submitted. - agk Signed-off-by: Andi Kleen Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 79fb53e..bfa107f 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -142,6 +142,7 @@ static struct target_type linear_target = { .status = linear_status, .ioctl = linear_ioctl, .merge = linear_merge, + .features = DM_TARGET_SUPPORTS_BARRIERS, }; int __init dm_linear_init(void) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 04e5fd7..ebaaf72 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -38,6 +38,8 @@ struct dm_table { sector_t *highs; struct dm_target *targets; + unsigned barriers_supported:1; + /* * Indicates the rw permissions for the new logical * device. This should be a combination of FMODE_READ @@ -227,6 +229,7 @@ int dm_table_create(struct dm_table **result, fmode_t mode, INIT_LIST_HEAD(&t->devices); atomic_set(&t->holders, 1); + t->barriers_supported = 1; if (!num_targets) num_targets = KEYS_PER_NODE; @@ -728,6 +731,10 @@ int dm_table_add_target(struct dm_table *t, const char *type, /* FIXME: the plan is to combine high here and then have * the merge fn apply the target level restrictions. */ combine_restrictions_low(&t->limits, &tgt->limits); + + if (!(tgt->type->features & DM_TARGET_SUPPORTS_BARRIERS)) + t->barriers_supported = 0; + return 0; bad: @@ -772,6 +779,12 @@ int dm_table_complete(struct dm_table *t) check_for_valid_limits(&t->limits); + /* + * We only support barriers if there is exactly one underlying device. + */ + if (!list_is_singular(&t->devices)) + t->barriers_supported = 0; + /* how many indexes will the btree have ? */ leaf_nodes = dm_div_up(t->num_targets, KEYS_PER_NODE); t->depth = 1 + int_log(leaf_nodes, CHILDREN_PER_NODE); @@ -986,6 +999,12 @@ struct mapped_device *dm_table_get_md(struct dm_table *t) return t->md; } +int dm_table_barrier_ok(struct dm_table *t) +{ + return t->barriers_supported; +} +EXPORT_SYMBOL(dm_table_barrier_ok); + EXPORT_SYMBOL(dm_vcalloc); EXPORT_SYMBOL(dm_get_device); EXPORT_SYMBOL(dm_put_device); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 4882ce7..dd953b1 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -835,7 +835,11 @@ static int __split_bio(struct mapped_device *md, struct bio *bio) ci.map = dm_get_table(md); if (unlikely(!ci.map)) return -EIO; - + if (unlikely(bio_barrier(bio) && !dm_table_barrier_ok(ci.map))) { + dm_table_put(ci.map); + bio_endio(bio, -EOPNOTSUPP); + return 0; + } ci.md = md; ci.bio = bio; ci.io = alloc_io(md); @@ -919,15 +923,6 @@ static int dm_request(struct request_queue *q, struct bio *bio) struct mapped_device *md = q->queuedata; int cpu; - /* - * There is no use in forwarding any barrier request since we can't - * guarantee it is (or can be) handled by the targets correctly. - */ - if (unlikely(bio_barrier(bio))) { - bio_endio(bio, -EOPNOTSUPP); - return 0; - } - down_read(&md->io_lock); cpu = part_stat_lock(); diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 0ade60c..5b5d08b 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -51,6 +51,7 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits); * To check the return value from dm_table_find_target(). */ #define dm_target_is_valid(t) ((t)->table) +int dm_table_barrier_ok(struct dm_table *t); /*----------------------------------------------------------------- * A registry of target types. diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index c1ba76c..8209e08 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -112,7 +112,14 @@ void dm_put_device(struct dm_target *ti, struct dm_dev *d); /* * Information about a target type */ + +/* + * Target features + */ +#define DM_TARGET_SUPPORTS_BARRIERS 0x00000001 + struct target_type { + uint64_t features; const char *name; struct module *module; unsigned version[3]; -- cgit v0.10.2 From d58168763f74d1edbc296d7038c60efe6493fdd4 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 6 Jan 2009 03:05:10 +0000 Subject: dm table: rework reference counting Rework table reference counting. The existing code uses a reference counter. When the last reference is dropped and the counter reaches zero, the table destructor is called. Table reference counters are acquired/released from upcalls from other kernel code (dm_any_congested, dm_merge_bvec, dm_unplug_all). If the reference counter reaches zero in one of the upcalls, the table destructor is called from almost random kernel code. This leads to various problems: * dm_any_congested being called under a spinlock, which calls the destructor, which calls some sleeping function. * the destructor attempting to take a lock that is already taken by the same process. * stale reference from some other kernel code keeps the table constructed, which keeps some devices open, even after successful return from "dmsetup remove". This can confuse lvm and prevent closing of underlying devices or reusing device minor numbers. The patch changes reference counting so that the table destructor can be called only at predetermined places. The table has always exactly one reference from either mapped_device->map or hash_cell->new_map. After this patch, this reference is not counted in table->holders. A pair of dm_create_table/dm_destroy_table functions is used for table creation/destruction. Temporary references from the other code increase table->holders. A pair of dm_table_get/dm_table_put functions is used to manipulate it. When the table is about to be destroyed, we wait for table->holders to reach 0. Then, we call the table destructor. We use active waiting with msleep(1), because the situation happens rarely (to one user in 5 years) and removing the device isn't performance-critical task: the user doesn't care if it takes one tick more or not. This way, the destructor is called only at specific points (dm_table_destroy function) and the above problems associated with lazy destruction can't happen. Finally remove the temporary protection added to dm_any_congested(). Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 8da7a01..54d0588 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -233,7 +233,7 @@ static void __hash_remove(struct hash_cell *hc) } if (hc->new_map) - dm_table_put(hc->new_map); + dm_table_destroy(hc->new_map); dm_put(hc->md); free_cell(hc); } @@ -827,8 +827,8 @@ static int do_resume(struct dm_ioctl *param) r = dm_swap_table(md, new_map); if (r) { + dm_table_destroy(new_map); dm_put(md); - dm_table_put(new_map); return r; } @@ -836,8 +836,6 @@ static int do_resume(struct dm_ioctl *param) set_disk_ro(dm_disk(md), 0); else set_disk_ro(dm_disk(md), 1); - - dm_table_put(new_map); } if (dm_suspended(md)) @@ -1080,7 +1078,7 @@ static int table_load(struct dm_ioctl *param, size_t param_size) } if (hc->new_map) - dm_table_put(hc->new_map); + dm_table_destroy(hc->new_map); hc->new_map = t; up_write(&_hash_lock); @@ -1109,7 +1107,7 @@ static int table_clear(struct dm_ioctl *param, size_t param_size) } if (hc->new_map) { - dm_table_put(hc->new_map); + dm_table_destroy(hc->new_map); hc->new_map = NULL; } diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index ebaaf72..2fd66c3 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2001 Sistina Software (UK) Limited. - * Copyright (C) 2004 Red Hat, Inc. All rights reserved. + * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. * * This file is released under the GPL. */ @@ -15,6 +15,7 @@ #include #include #include +#include #include #define DM_MSG_PREFIX "table" @@ -24,6 +25,19 @@ #define KEYS_PER_NODE (NODE_SIZE / sizeof(sector_t)) #define CHILDREN_PER_NODE (KEYS_PER_NODE + 1) +/* + * The table has always exactly one reference from either mapped_device->map + * or hash_cell->new_map. This reference is not counted in table->holders. + * A pair of dm_create_table/dm_destroy_table functions is used for table + * creation/destruction. + * + * Temporary references from the other code increase table->holders. A pair + * of dm_table_get/dm_table_put functions is used to manipulate it. + * + * When the table is about to be destroyed, we wait for table->holders to + * drop to zero. + */ + struct dm_table { struct mapped_device *md; atomic_t holders; @@ -228,7 +242,7 @@ int dm_table_create(struct dm_table **result, fmode_t mode, return -ENOMEM; INIT_LIST_HEAD(&t->devices); - atomic_set(&t->holders, 1); + atomic_set(&t->holders, 0); t->barriers_supported = 1; if (!num_targets) @@ -259,10 +273,14 @@ static void free_devices(struct list_head *devices) } } -static void table_destroy(struct dm_table *t) +void dm_table_destroy(struct dm_table *t) { unsigned int i; + while (atomic_read(&t->holders)) + msleep(1); + smp_mb(); + /* free the indexes (see dm_table_complete) */ if (t->depth >= 2) vfree(t->index[t->depth - 2]); @@ -300,8 +318,8 @@ void dm_table_put(struct dm_table *t) if (!t) return; - if (atomic_dec_and_test(&t->holders)) - table_destroy(t); + smp_mb__before_atomic_dec(); + atomic_dec(&t->holders); } /* diff --git a/drivers/md/dm.c b/drivers/md/dm.c index dd953b1..9f9aa64 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -977,8 +977,6 @@ static int dm_any_congested(void *congested_data, int bdi_bits) struct mapped_device *md = congested_data; struct dm_table *map; - atomic_inc(&md->pending); - if (!test_bit(DMF_BLOCK_IO, &md->flags)) { map = dm_get_table(md); if (map) { @@ -987,10 +985,6 @@ static int dm_any_congested(void *congested_data, int bdi_bits) } } - if (!atomic_dec_return(&md->pending)) - /* nudge anyone waiting on suspend queue */ - wake_up(&md->wait); - return r; } @@ -1250,10 +1244,12 @@ static int __bind(struct mapped_device *md, struct dm_table *t) if (md->suspended_bdev) __set_size(md, size); - if (size == 0) + + if (!size) { + dm_table_destroy(t); return 0; + } - dm_table_get(t); dm_table_event_callback(t, event_callback, md); write_lock(&md->map_lock); @@ -1275,7 +1271,7 @@ static void __unbind(struct mapped_device *md) write_lock(&md->map_lock); md->map = NULL; write_unlock(&md->map_lock); - dm_table_put(map); + dm_table_destroy(map); } /* diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 5b5d08b..bbbe911 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -36,6 +36,7 @@ struct dm_table; /*----------------------------------------------------------------- * Internal table functions. *---------------------------------------------------------------*/ +void dm_table_destroy(struct dm_table *t); void dm_table_event_callback(struct dm_table *t, void (*fn)(void *), void *context); struct dm_target *dm_table_get_target(struct dm_table *t, unsigned int index); -- cgit v0.10.2 From 784aae735d9b0bba3f8b9faef4c8b30df3bf0128 Mon Sep 17 00:00:00 2001 From: Milan Broz Date: Tue, 6 Jan 2009 03:05:12 +0000 Subject: dm: add name and uuid to sysfs Implement simple read-only sysfs entry for device-mapper block device. This patch adds a simple sysfs directory named "dm" under block device properties and implements - name attribute (string containing mapped device name) - uuid attribute (string containing UUID, or empty string if not set) The kobject is embedded in mapped_device struct, so no additional memory allocation is needed for initializing sysfs entry. During the processing of sysfs attribute we need to lock mapped device which is done by a new function dm_get_from_kobj, which returns the md associated with kobject and increases the usage count. Each 'show attribute' function is responsible for its own locking. Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 1c61580..63f0ae9 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -3,7 +3,7 @@ # dm-mod-objs := dm.o dm-table.o dm-target.o dm-linear.o dm-stripe.o \ - dm-ioctl.o dm-io.o dm-kcopyd.o + dm-ioctl.o dm-io.o dm-kcopyd.o dm-sysfs.o dm-multipath-objs := dm-path-selector.o dm-mpath.o dm-snapshot-objs := dm-snap.o dm-exception-store.o dm-mirror-objs := dm-raid1.o diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c new file mode 100644 index 0000000..a2a45e6 --- /dev/null +++ b/drivers/md/dm-sysfs.c @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2008 Red Hat, Inc. All rights reserved. + * + * This file is released under the GPL. + */ + +#include +#include +#include "dm.h" + +struct dm_sysfs_attr { + struct attribute attr; + ssize_t (*show)(struct mapped_device *, char *); + ssize_t (*store)(struct mapped_device *, char *); +}; + +#define DM_ATTR_RO(_name) \ +struct dm_sysfs_attr dm_attr_##_name = \ + __ATTR(_name, S_IRUGO, dm_attr_##_name##_show, NULL) + +static ssize_t dm_attr_show(struct kobject *kobj, struct attribute *attr, + char *page) +{ + struct dm_sysfs_attr *dm_attr; + struct mapped_device *md; + ssize_t ret; + + dm_attr = container_of(attr, struct dm_sysfs_attr, attr); + if (!dm_attr->show) + return -EIO; + + md = dm_get_from_kobject(kobj); + if (!md) + return -EINVAL; + + ret = dm_attr->show(md, page); + dm_put(md); + + return ret; +} + +static ssize_t dm_attr_name_show(struct mapped_device *md, char *buf) +{ + if (dm_copy_name_and_uuid(md, buf, NULL)) + return -EIO; + + strcat(buf, "\n"); + return strlen(buf); +} + +static ssize_t dm_attr_uuid_show(struct mapped_device *md, char *buf) +{ + if (dm_copy_name_and_uuid(md, NULL, buf)) + return -EIO; + + strcat(buf, "\n"); + return strlen(buf); +} + +static DM_ATTR_RO(name); +static DM_ATTR_RO(uuid); + +static struct attribute *dm_attrs[] = { + &dm_attr_name.attr, + &dm_attr_uuid.attr, + NULL, +}; + +static struct sysfs_ops dm_sysfs_ops = { + .show = dm_attr_show, +}; + +/* + * dm kobject is embedded in mapped_device structure + * no need to define release function here + */ +static struct kobj_type dm_ktype = { + .sysfs_ops = &dm_sysfs_ops, + .default_attrs = dm_attrs, +}; + +/* + * Initialize kobj + * because nobody using md yet, no need to call explicit dm_get/put + */ +int dm_sysfs_init(struct mapped_device *md) +{ + return kobject_init_and_add(dm_kobject(md), &dm_ktype, + &disk_to_dev(dm_disk(md))->kobj, + "%s", "dm"); +} + +/* + * Remove kobj, called after all references removed + */ +void dm_sysfs_exit(struct mapped_device *md) +{ + kobject_put(dm_kobject(md)); +} diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 9f9aa64..51ba1db 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2001, 2002 Sistina Software (UK) Limited. - * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. + * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. * * This file is released under the GPL. */ @@ -167,6 +167,9 @@ struct mapped_device { /* forced geometry settings */ struct hd_geometry geometry; + + /* sysfs handle */ + struct kobject kobj; }; #define MIN_IOS 256 @@ -1285,6 +1288,8 @@ int dm_create(int minor, struct mapped_device **result) if (!md) return -ENXIO; + dm_sysfs_init(md); + *result = md; return 0; } @@ -1360,6 +1365,7 @@ void dm_put(struct mapped_device *md) dm_table_presuspend_targets(map); dm_table_postsuspend_targets(map); } + dm_sysfs_exit(md); dm_table_put(map); __unbind(md); free_dev(md); @@ -1699,6 +1705,27 @@ struct gendisk *dm_disk(struct mapped_device *md) return md->disk; } +struct kobject *dm_kobject(struct mapped_device *md) +{ + return &md->kobj; +} + +/* + * struct mapped_device should not be exported outside of dm.c + * so use this check to verify that kobj is part of md structure + */ +struct mapped_device *dm_get_from_kobject(struct kobject *kobj) +{ + struct mapped_device *md; + + md = container_of(kobj, struct mapped_device, kobj); + if (&md->kobj != kobj) + return NULL; + + dm_get(md); + return md; +} + int dm_suspended(struct mapped_device *md) { return test_bit(DMF_SUSPENDED, &md->flags); diff --git a/drivers/md/dm.h b/drivers/md/dm.h index bbbe911..20194e0 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -74,6 +74,14 @@ int dm_interface_init(void); void dm_interface_exit(void); /* + * sysfs interface + */ +int dm_sysfs_init(struct mapped_device *md); +void dm_sysfs_exit(struct mapped_device *md); +struct kobject *dm_kobject(struct mapped_device *md); +struct mapped_device *dm_get_from_kobject(struct kobject *kobj); + +/* * Targets for linear and striped mappings */ int dm_linear_init(void); -- cgit v0.10.2 From fe9cf30eb8186ef267d1868dc9f12f2d0f40835a Mon Sep 17 00:00:00 2001 From: Alasdair G Kergon Date: Tue, 6 Jan 2009 03:05:13 +0000 Subject: dm mpath: move trigger_event to system workqueue The same workqueue is used both for sending uevents and processing queued I/O. Deadlock has been reported in RHEL5 when sending a uevent was blocked waiting for the queued I/O to be processed. Use scheduled_work() for the asynchronous uevents instead. Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 345a260..095f77b 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -889,7 +889,7 @@ static int fail_path(struct pgpath *pgpath) dm_path_uevent(DM_UEVENT_PATH_FAILED, m->ti, pgpath->path.dev->name, m->nr_valid_paths); - queue_work(kmultipathd, &m->trigger_event); + schedule_work(&m->trigger_event); queue_work(kmultipathd, &pgpath->deactivate_path); out: @@ -932,7 +932,7 @@ static int reinstate_path(struct pgpath *pgpath) dm_path_uevent(DM_UEVENT_PATH_REINSTATED, m->ti, pgpath->path.dev->name, m->nr_valid_paths); - queue_work(kmultipathd, &m->trigger_event); + schedule_work(&m->trigger_event); out: spin_unlock_irqrestore(&m->lock, flags); @@ -976,7 +976,7 @@ static void bypass_pg(struct multipath *m, struct priority_group *pg, spin_unlock_irqrestore(&m->lock, flags); - queue_work(kmultipathd, &m->trigger_event); + schedule_work(&m->trigger_event); } /* @@ -1006,7 +1006,7 @@ static int switch_pg_num(struct multipath *m, const char *pgstr) } spin_unlock_irqrestore(&m->lock, flags); - queue_work(kmultipathd, &m->trigger_event); + schedule_work(&m->trigger_event); return 0; } -- cgit v0.10.2 From aea53d92f70eeb00ae480e399a997dd55fd5055d Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Tue, 6 Jan 2009 03:05:15 +0000 Subject: dm snapshot: separate out exception store interface Pull structures that bridge the gap between snapshot and exception store out of dm-snap.h and put them in a new .h file - dm-exception-store.h. This file will define the API for new exception stores. Ultimately, dm-snap.h is unnecessary, since only dm-snap.c should be using it. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 01590f3e..ef152e6 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -7,6 +7,7 @@ * This file is released under the GPL. */ +#include "dm-exception-store.h" #include "dm-snap.h" #include diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h new file mode 100644 index 0000000..d75f775 --- /dev/null +++ b/drivers/md/dm-exception-store.h @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2001-2002 Sistina Software (UK) Limited. + * Copyright (C) 2008 Red Hat, Inc. All rights reserved. + * + * Device-mapper snapshot exception store. + * + * This file is released under the GPL. + */ + +#ifndef _LINUX_DM_EXCEPTION_STORE +#define _LINUX_DM_EXCEPTION_STORE + +#include + +/* + * The snapshot code deals with largish chunks of the disk at a + * time. Typically 32k - 512k. + */ +typedef sector_t chunk_t; + +/* + * An exception is used where an old chunk of data has been + * replaced by a new one. + * If chunk_t is 64 bits in size, the top 8 bits of new_chunk hold the number + * of chunks that follow contiguously. Remaining bits hold the number of the + * chunk within the device. + */ +struct dm_snap_exception { + struct list_head hash_list; + + chunk_t old_chunk; + chunk_t new_chunk; +}; + +/* + * Abstraction to handle the meta/layout of exception stores (the + * COW device). + */ +struct exception_store { + /* + * Destroys this object when you've finished with it. + */ + void (*destroy) (struct exception_store *store); + + /* + * The target shouldn't read the COW device until this is + * called. + */ + int (*read_metadata) (struct exception_store *store); + + /* + * Find somewhere to store the next exception. + */ + int (*prepare_exception) (struct exception_store *store, + struct dm_snap_exception *e); + + /* + * Update the metadata with this exception. + */ + void (*commit_exception) (struct exception_store *store, + struct dm_snap_exception *e, + void (*callback) (void *, int success), + void *callback_context); + + /* + * The snapshot is invalid, note this in the metadata. + */ + void (*drop_snapshot) (struct exception_store *store); + + /* + * Return how full the snapshot is. + */ + void (*fraction_full) (struct exception_store *store, + sector_t *numerator, + sector_t *denominator); + + struct dm_snapshot *snap; + void *context; +}; + +/* + * Funtions to manipulate consecutive chunks + */ +# if defined(CONFIG_LBD) || (BITS_PER_LONG == 64) +# define DM_CHUNK_CONSECUTIVE_BITS 8 +# define DM_CHUNK_NUMBER_BITS 56 + +static inline chunk_t dm_chunk_number(chunk_t chunk) +{ + return chunk & (chunk_t)((1ULL << DM_CHUNK_NUMBER_BITS) - 1ULL); +} + +static inline unsigned dm_consecutive_chunk_count(struct dm_snap_exception *e) +{ + return e->new_chunk >> DM_CHUNK_NUMBER_BITS; +} + +static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) +{ + e->new_chunk += (1ULL << DM_CHUNK_NUMBER_BITS); + + BUG_ON(!dm_consecutive_chunk_count(e)); +} + +# else +# define DM_CHUNK_CONSECUTIVE_BITS 0 + +static inline chunk_t dm_chunk_number(chunk_t chunk) +{ + return chunk; +} + +static inline unsigned dm_consecutive_chunk_count(struct dm_snap_exception *e) +{ + return 0; +} + +static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) +{ +} + +# endif + +/* + * Two exception store implementations. + */ +int dm_create_persistent(struct exception_store *store); + +int dm_create_transient(struct exception_store *store); + +#endif /* _LINUX_DM_EXCEPTION_STORE */ diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index a8005b4..81f03a0 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -21,6 +21,7 @@ #include #include +#include "dm-exception-store.h" #include "dm-snap.h" #include "dm-bio-list.h" diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h index 99c0106..6e4beaf 100644 --- a/drivers/md/dm-snap.h +++ b/drivers/md/dm-snap.h @@ -1,6 +1,4 @@ /* - * dm-snapshot.c - * * Copyright (C) 2001-2002 Sistina Software (UK) Limited. * * This file is released under the GPL. @@ -10,6 +8,7 @@ #define DM_SNAPSHOT_H #include +#include "dm-exception-store.h" #include "dm-bio-list.h" #include #include @@ -20,116 +19,6 @@ struct exception_table { struct list_head *table; }; -/* - * The snapshot code deals with largish chunks of the disk at a - * time. Typically 32k - 512k. - */ -typedef sector_t chunk_t; - -/* - * An exception is used where an old chunk of data has been - * replaced by a new one. - * If chunk_t is 64 bits in size, the top 8 bits of new_chunk hold the number - * of chunks that follow contiguously. Remaining bits hold the number of the - * chunk within the device. - */ -struct dm_snap_exception { - struct list_head hash_list; - - chunk_t old_chunk; - chunk_t new_chunk; -}; - -/* - * Funtions to manipulate consecutive chunks - */ -# if defined(CONFIG_LBD) || (BITS_PER_LONG == 64) -# define DM_CHUNK_CONSECUTIVE_BITS 8 -# define DM_CHUNK_NUMBER_BITS 56 - -static inline chunk_t dm_chunk_number(chunk_t chunk) -{ - return chunk & (chunk_t)((1ULL << DM_CHUNK_NUMBER_BITS) - 1ULL); -} - -static inline unsigned dm_consecutive_chunk_count(struct dm_snap_exception *e) -{ - return e->new_chunk >> DM_CHUNK_NUMBER_BITS; -} - -static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) -{ - e->new_chunk += (1ULL << DM_CHUNK_NUMBER_BITS); - - BUG_ON(!dm_consecutive_chunk_count(e)); -} - -# else -# define DM_CHUNK_CONSECUTIVE_BITS 0 - -static inline chunk_t dm_chunk_number(chunk_t chunk) -{ - return chunk; -} - -static inline unsigned dm_consecutive_chunk_count(struct dm_snap_exception *e) -{ - return 0; -} - -static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) -{ -} - -# endif - -/* - * Abstraction to handle the meta/layout of exception stores (the - * COW device). - */ -struct exception_store { - - /* - * Destroys this object when you've finished with it. - */ - void (*destroy) (struct exception_store *store); - - /* - * The target shouldn't read the COW device until this is - * called. - */ - int (*read_metadata) (struct exception_store *store); - - /* - * Find somewhere to store the next exception. - */ - int (*prepare_exception) (struct exception_store *store, - struct dm_snap_exception *e); - - /* - * Update the metadata with this exception. - */ - void (*commit_exception) (struct exception_store *store, - struct dm_snap_exception *e, - void (*callback) (void *, int success), - void *callback_context); - - /* - * The snapshot is invalid, note this in the metadata. - */ - void (*drop_snapshot) (struct exception_store *store); - - /* - * Return how full the snapshot is. - */ - void (*fraction_full) (struct exception_store *store, - sector_t *numerator, - sector_t *denominator); - - struct dm_snapshot *snap; - void *context; -}; - #define DM_TRACKED_CHUNK_HASH_SIZE 16 #define DM_TRACKED_CHUNK_HASH(x) ((unsigned long)(x) & \ (DM_TRACKED_CHUNK_HASH_SIZE - 1)) @@ -193,14 +82,6 @@ struct dm_snapshot { int dm_add_exception(struct dm_snapshot *s, chunk_t old, chunk_t new); /* - * Constructor and destructor for the default persistent - * store. - */ -int dm_create_persistent(struct exception_store *store); - -int dm_create_transient(struct exception_store *store); - -/* * Return the number of sectors in the device. */ static inline sector_t get_dev_size(struct block_device *bdev) -- cgit v0.10.2 From 1ae25f9c933d1432fbffdf3e126051a974608abf Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Tue, 6 Jan 2009 03:05:16 +0000 Subject: dm snapshot: rename struct exception_store Rename struct exception_store to dm_exception_store. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index ef152e6..c5c9a26 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -462,19 +462,19 @@ static int read_exceptions(struct pstore *ps) return 0; } -static struct pstore *get_info(struct exception_store *store) +static struct pstore *get_info(struct dm_exception_store *store) { return (struct pstore *) store->context; } -static void persistent_fraction_full(struct exception_store *store, +static void persistent_fraction_full(struct dm_exception_store *store, sector_t *numerator, sector_t *denominator) { *numerator = get_info(store)->next_free * store->snap->chunk_size; *denominator = get_dev_size(store->snap->cow->bdev); } -static void persistent_destroy(struct exception_store *store) +static void persistent_destroy(struct dm_exception_store *store) { struct pstore *ps = get_info(store); @@ -485,7 +485,7 @@ static void persistent_destroy(struct exception_store *store) kfree(ps); } -static int persistent_read_metadata(struct exception_store *store) +static int persistent_read_metadata(struct dm_exception_store *store) { int r, uninitialized_var(new_snapshot); struct pstore *ps = get_info(store); @@ -551,7 +551,7 @@ static int persistent_read_metadata(struct exception_store *store) return 0; } -static int persistent_prepare(struct exception_store *store, +static int persistent_prepare(struct dm_exception_store *store, struct dm_snap_exception *e) { struct pstore *ps = get_info(store); @@ -578,7 +578,7 @@ static int persistent_prepare(struct exception_store *store, return 0; } -static void persistent_commit(struct exception_store *store, +static void persistent_commit(struct dm_exception_store *store, struct dm_snap_exception *e, void (*callback) (void *, int success), void *callback_context) @@ -640,7 +640,7 @@ static void persistent_commit(struct exception_store *store, ps->callback_count = 0; } -static void persistent_drop(struct exception_store *store) +static void persistent_drop(struct dm_exception_store *store) { struct pstore *ps = get_info(store); @@ -649,7 +649,7 @@ static void persistent_drop(struct exception_store *store) DMWARN("write header failed"); } -int dm_create_persistent(struct exception_store *store) +int dm_create_persistent(struct dm_exception_store *store) { struct pstore *ps; @@ -694,17 +694,17 @@ struct transient_c { sector_t next_free; }; -static void transient_destroy(struct exception_store *store) +static void transient_destroy(struct dm_exception_store *store) { kfree(store->context); } -static int transient_read_metadata(struct exception_store *store) +static int transient_read_metadata(struct dm_exception_store *store) { return 0; } -static int transient_prepare(struct exception_store *store, +static int transient_prepare(struct dm_exception_store *store, struct dm_snap_exception *e) { struct transient_c *tc = (struct transient_c *) store->context; @@ -719,7 +719,7 @@ static int transient_prepare(struct exception_store *store, return 0; } -static void transient_commit(struct exception_store *store, +static void transient_commit(struct dm_exception_store *store, struct dm_snap_exception *e, void (*callback) (void *, int success), void *callback_context) @@ -728,14 +728,14 @@ static void transient_commit(struct exception_store *store, callback(callback_context, 1); } -static void transient_fraction_full(struct exception_store *store, +static void transient_fraction_full(struct dm_exception_store *store, sector_t *numerator, sector_t *denominator) { *numerator = ((struct transient_c *) store->context)->next_free; *denominator = get_dev_size(store->snap->cow->bdev); } -int dm_create_transient(struct exception_store *store) +int dm_create_transient(struct dm_exception_store *store) { struct transient_c *tc; diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index d75f775..25677df 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -36,28 +36,29 @@ struct dm_snap_exception { * Abstraction to handle the meta/layout of exception stores (the * COW device). */ -struct exception_store { +struct dm_exception_store { + /* * Destroys this object when you've finished with it. */ - void (*destroy) (struct exception_store *store); + void (*destroy) (struct dm_exception_store *store); /* * The target shouldn't read the COW device until this is * called. */ - int (*read_metadata) (struct exception_store *store); + int (*read_metadata) (struct dm_exception_store *store); /* * Find somewhere to store the next exception. */ - int (*prepare_exception) (struct exception_store *store, + int (*prepare_exception) (struct dm_exception_store *store, struct dm_snap_exception *e); /* * Update the metadata with this exception. */ - void (*commit_exception) (struct exception_store *store, + void (*commit_exception) (struct dm_exception_store *store, struct dm_snap_exception *e, void (*callback) (void *, int success), void *callback_context); @@ -65,12 +66,12 @@ struct exception_store { /* * The snapshot is invalid, note this in the metadata. */ - void (*drop_snapshot) (struct exception_store *store); + void (*drop_snapshot) (struct dm_exception_store *store); /* * Return how full the snapshot is. */ - void (*fraction_full) (struct exception_store *store, + void (*fraction_full) (struct dm_exception_store *store, sector_t *numerator, sector_t *denominator); @@ -124,8 +125,8 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) /* * Two exception store implementations. */ -int dm_create_persistent(struct exception_store *store); +int dm_create_persistent(struct dm_exception_store *store); -int dm_create_transient(struct exception_store *store); +int dm_create_transient(struct dm_exception_store *store); #endif /* _LINUX_DM_EXCEPTION_STORE */ diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h index 6e4beaf..9281236 100644 --- a/drivers/md/dm-snap.h +++ b/drivers/md/dm-snap.h @@ -61,7 +61,7 @@ struct dm_snapshot { spinlock_t pe_lock; /* The on disk metadata handler */ - struct exception_store store; + struct dm_exception_store store; struct dm_kcopyd_client *kcopyd_client; -- cgit v0.10.2 From 4db6bfe02bdc7dc5048f46dd682a94801d029adc Mon Sep 17 00:00:00 2001 From: Alasdair G Kergon Date: Tue, 6 Jan 2009 03:05:17 +0000 Subject: dm snapshot: split out exception store implementations Move the existing snapshot exception store implementations out into separate files. Later patches will place these behind a new interface in preparation for alternative implementations. Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 63f0ae9..72880b7 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -5,7 +5,8 @@ dm-mod-objs := dm.o dm-table.o dm-target.o dm-linear.o dm-stripe.o \ dm-ioctl.o dm-io.o dm-kcopyd.o dm-sysfs.o dm-multipath-objs := dm-path-selector.o dm-mpath.o -dm-snapshot-objs := dm-snap.o dm-exception-store.o +dm-snapshot-objs := dm-snap.o dm-exception-store.o dm-snap-transient.o \ + dm-snap-persistent.o dm-mirror-objs := dm-raid1.o md-mod-objs := md.o bitmap.o raid456-objs := raid5.o raid6algos.o raid6recov.o raid6tables.o \ diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index c5c9a26..74777e0 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -1,757 +1,46 @@ /* - * dm-exception-store.c - * * Copyright (C) 2001-2002 Sistina Software (UK) Limited. - * Copyright (C) 2006 Red Hat GmbH + * Copyright (C) 2006-2008 Red Hat GmbH * * This file is released under the GPL. */ #include "dm-exception-store.h" -#include "dm-snap.h" #include #include #include #include -#include -#include - -#define DM_MSG_PREFIX "snapshots" -#define DM_CHUNK_SIZE_DEFAULT_SECTORS 32 /* 16KB */ - -/*----------------------------------------------------------------- - * Persistent snapshots, by persistent we mean that the snapshot - * will survive a reboot. - *---------------------------------------------------------------*/ - -/* - * We need to store a record of which parts of the origin have - * been copied to the snapshot device. The snapshot code - * requires that we copy exception chunks to chunk aligned areas - * of the COW store. It makes sense therefore, to store the - * metadata in chunk size blocks. - * - * There is no backward or forward compatibility implemented, - * snapshots with different disk versions than the kernel will - * not be usable. It is expected that "lvcreate" will blank out - * the start of a fresh COW device before calling the snapshot - * constructor. - * - * The first chunk of the COW device just contains the header. - * After this there is a chunk filled with exception metadata, - * followed by as many exception chunks as can fit in the - * metadata areas. - * - * All on disk structures are in little-endian format. The end - * of the exceptions info is indicated by an exception with a - * new_chunk of 0, which is invalid since it would point to the - * header chunk. - */ - -/* - * Magic for persistent snapshots: "SnAp" - Feeble isn't it. - */ -#define SNAP_MAGIC 0x70416e53 - -/* - * The on-disk version of the metadata. - */ -#define SNAPSHOT_DISK_VERSION 1 - -struct disk_header { - uint32_t magic; - - /* - * Is this snapshot valid. There is no way of recovering - * an invalid snapshot. - */ - uint32_t valid; - - /* - * Simple, incrementing version. no backward - * compatibility. - */ - uint32_t version; - - /* In sectors */ - uint32_t chunk_size; -}; - -struct disk_exception { - uint64_t old_chunk; - uint64_t new_chunk; -}; - -struct commit_callback { - void (*callback)(void *, int success); - void *context; -}; - -/* - * The top level structure for a persistent exception store. - */ -struct pstore { - struct dm_snapshot *snap; /* up pointer to my snapshot */ - int version; - int valid; - uint32_t exceptions_per_area; - - /* - * Now that we have an asynchronous kcopyd there is no - * need for large chunk sizes, so it wont hurt to have a - * whole chunks worth of metadata in memory at once. - */ - void *area; - - /* - * An area of zeros used to clear the next area. - */ - void *zero_area; - - /* - * Used to keep track of which metadata area the data in - * 'chunk' refers to. - */ - chunk_t current_area; - - /* - * The next free chunk for an exception. - */ - chunk_t next_free; - - /* - * The index of next free exception in the current - * metadata area. - */ - uint32_t current_committed; - - atomic_t pending_count; - uint32_t callback_count; - struct commit_callback *callbacks; - struct dm_io_client *io_client; - - struct workqueue_struct *metadata_wq; -}; - -static unsigned sectors_to_pages(unsigned sectors) -{ - return DIV_ROUND_UP(sectors, PAGE_SIZE >> 9); -} - -static int alloc_area(struct pstore *ps) -{ - int r = -ENOMEM; - size_t len; - - len = ps->snap->chunk_size << SECTOR_SHIFT; - - /* - * Allocate the chunk_size block of memory that will hold - * a single metadata area. - */ - ps->area = vmalloc(len); - if (!ps->area) - return r; - - ps->zero_area = vmalloc(len); - if (!ps->zero_area) { - vfree(ps->area); - return r; - } - memset(ps->zero_area, 0, len); - - return 0; -} - -static void free_area(struct pstore *ps) -{ - vfree(ps->area); - ps->area = NULL; - vfree(ps->zero_area); - ps->zero_area = NULL; -} - -struct mdata_req { - struct dm_io_region *where; - struct dm_io_request *io_req; - struct work_struct work; - int result; -}; - -static void do_metadata(struct work_struct *work) -{ - struct mdata_req *req = container_of(work, struct mdata_req, work); - - req->result = dm_io(req->io_req, 1, req->where, NULL); -} - -/* - * Read or write a chunk aligned and sized block of data from a device. - */ -static int chunk_io(struct pstore *ps, chunk_t chunk, int rw, int metadata) -{ - struct dm_io_region where = { - .bdev = ps->snap->cow->bdev, - .sector = ps->snap->chunk_size * chunk, - .count = ps->snap->chunk_size, - }; - struct dm_io_request io_req = { - .bi_rw = rw, - .mem.type = DM_IO_VMA, - .mem.ptr.vma = ps->area, - .client = ps->io_client, - .notify.fn = NULL, - }; - struct mdata_req req; - - if (!metadata) - return dm_io(&io_req, 1, &where, NULL); - - req.where = &where; - req.io_req = &io_req; - - /* - * Issue the synchronous I/O from a different thread - * to avoid generic_make_request recursion. - */ - INIT_WORK(&req.work, do_metadata); - queue_work(ps->metadata_wq, &req.work); - flush_workqueue(ps->metadata_wq); - - return req.result; -} - -/* - * Convert a metadata area index to a chunk index. - */ -static chunk_t area_location(struct pstore *ps, chunk_t area) -{ - return 1 + ((ps->exceptions_per_area + 1) * area); -} - -/* - * Read or write a metadata area. Remembering to skip the first - * chunk which holds the header. - */ -static int area_io(struct pstore *ps, int rw) -{ - int r; - chunk_t chunk; - - chunk = area_location(ps, ps->current_area); - - r = chunk_io(ps, chunk, rw, 0); - if (r) - return r; - - return 0; -} - -static void zero_memory_area(struct pstore *ps) -{ - memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT); -} - -static int zero_disk_area(struct pstore *ps, chunk_t area) -{ - struct dm_io_region where = { - .bdev = ps->snap->cow->bdev, - .sector = ps->snap->chunk_size * area_location(ps, area), - .count = ps->snap->chunk_size, - }; - struct dm_io_request io_req = { - .bi_rw = WRITE, - .mem.type = DM_IO_VMA, - .mem.ptr.vma = ps->zero_area, - .client = ps->io_client, - .notify.fn = NULL, - }; - - return dm_io(&io_req, 1, &where, NULL); -} - -static int read_header(struct pstore *ps, int *new_snapshot) -{ - int r; - struct disk_header *dh; - chunk_t chunk_size; - int chunk_size_supplied = 1; - - /* - * Use default chunk size (or hardsect_size, if larger) if none supplied - */ - if (!ps->snap->chunk_size) { - ps->snap->chunk_size = max(DM_CHUNK_SIZE_DEFAULT_SECTORS, - bdev_hardsect_size(ps->snap->cow->bdev) >> 9); - ps->snap->chunk_mask = ps->snap->chunk_size - 1; - ps->snap->chunk_shift = ffs(ps->snap->chunk_size) - 1; - chunk_size_supplied = 0; - } - - ps->io_client = dm_io_client_create(sectors_to_pages(ps->snap-> - chunk_size)); - if (IS_ERR(ps->io_client)) - return PTR_ERR(ps->io_client); - - r = alloc_area(ps); - if (r) - return r; - - r = chunk_io(ps, 0, READ, 1); - if (r) - goto bad; - - dh = (struct disk_header *) ps->area; - - if (le32_to_cpu(dh->magic) == 0) { - *new_snapshot = 1; - return 0; - } - - if (le32_to_cpu(dh->magic) != SNAP_MAGIC) { - DMWARN("Invalid or corrupt snapshot"); - r = -ENXIO; - goto bad; - } - - *new_snapshot = 0; - ps->valid = le32_to_cpu(dh->valid); - ps->version = le32_to_cpu(dh->version); - chunk_size = le32_to_cpu(dh->chunk_size); - - if (!chunk_size_supplied || ps->snap->chunk_size == chunk_size) - return 0; - - DMWARN("chunk size %llu in device metadata overrides " - "table chunk size of %llu.", - (unsigned long long)chunk_size, - (unsigned long long)ps->snap->chunk_size); - - /* We had a bogus chunk_size. Fix stuff up. */ - free_area(ps); - - ps->snap->chunk_size = chunk_size; - ps->snap->chunk_mask = chunk_size - 1; - ps->snap->chunk_shift = ffs(chunk_size) - 1; - - r = dm_io_client_resize(sectors_to_pages(ps->snap->chunk_size), - ps->io_client); - if (r) - return r; - - r = alloc_area(ps); - return r; - -bad: - free_area(ps); - return r; -} - -static int write_header(struct pstore *ps) -{ - struct disk_header *dh; - - memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT); - - dh = (struct disk_header *) ps->area; - dh->magic = cpu_to_le32(SNAP_MAGIC); - dh->valid = cpu_to_le32(ps->valid); - dh->version = cpu_to_le32(ps->version); - dh->chunk_size = cpu_to_le32(ps->snap->chunk_size); - - return chunk_io(ps, 0, WRITE, 1); -} - -/* - * Access functions for the disk exceptions, these do the endian conversions. - */ -static struct disk_exception *get_exception(struct pstore *ps, uint32_t index) -{ - BUG_ON(index >= ps->exceptions_per_area); - - return ((struct disk_exception *) ps->area) + index; -} +#include -static void read_exception(struct pstore *ps, - uint32_t index, struct disk_exception *result) -{ - struct disk_exception *e = get_exception(ps, index); - - /* copy it */ - result->old_chunk = le64_to_cpu(e->old_chunk); - result->new_chunk = le64_to_cpu(e->new_chunk); -} - -static void write_exception(struct pstore *ps, - uint32_t index, struct disk_exception *de) -{ - struct disk_exception *e = get_exception(ps, index); - - /* copy it */ - e->old_chunk = cpu_to_le64(de->old_chunk); - e->new_chunk = cpu_to_le64(de->new_chunk); -} +#define DM_MSG_PREFIX "snapshot exception stores" -/* - * Registers the exceptions that are present in the current area. - * 'full' is filled in to indicate if the area has been - * filled. - */ -static int insert_exceptions(struct pstore *ps, int *full) +int dm_exception_store_init(void) { int r; - unsigned int i; - struct disk_exception de; - - /* presume the area is full */ - *full = 1; - - for (i = 0; i < ps->exceptions_per_area; i++) { - read_exception(ps, i, &de); - - /* - * If the new_chunk is pointing at the start of - * the COW device, where the first metadata area - * is we know that we've hit the end of the - * exceptions. Therefore the area is not full. - */ - if (de.new_chunk == 0LL) { - ps->current_committed = i; - *full = 0; - break; - } - - /* - * Keep track of the start of the free chunks. - */ - if (ps->next_free <= de.new_chunk) - ps->next_free = de.new_chunk + 1; - - /* - * Otherwise we add the exception to the snapshot. - */ - r = dm_add_exception(ps->snap, de.old_chunk, de.new_chunk); - if (r) - return r; - } - - return 0; -} - -static int read_exceptions(struct pstore *ps) -{ - int r, full = 1; - - /* - * Keeping reading chunks and inserting exceptions until - * we find a partially full area. - */ - for (ps->current_area = 0; full; ps->current_area++) { - r = area_io(ps, READ); - if (r) - return r; - r = insert_exceptions(ps, &full); - if (r) - return r; + r = dm_transient_snapshot_init(); + if (r) { + DMERR("Unable to register transient exception store type."); + goto transient_fail; } - ps->current_area--; - - return 0; -} - -static struct pstore *get_info(struct dm_exception_store *store) -{ - return (struct pstore *) store->context; -} - -static void persistent_fraction_full(struct dm_exception_store *store, - sector_t *numerator, sector_t *denominator) -{ - *numerator = get_info(store)->next_free * store->snap->chunk_size; - *denominator = get_dev_size(store->snap->cow->bdev); -} - -static void persistent_destroy(struct dm_exception_store *store) -{ - struct pstore *ps = get_info(store); - - destroy_workqueue(ps->metadata_wq); - dm_io_client_destroy(ps->io_client); - vfree(ps->callbacks); - free_area(ps); - kfree(ps); -} - -static int persistent_read_metadata(struct dm_exception_store *store) -{ - int r, uninitialized_var(new_snapshot); - struct pstore *ps = get_info(store); - - /* - * Read the snapshot header. - */ - r = read_header(ps, &new_snapshot); - if (r) - return r; - - /* - * Now we know correct chunk_size, complete the initialisation. - */ - ps->exceptions_per_area = (ps->snap->chunk_size << SECTOR_SHIFT) / - sizeof(struct disk_exception); - ps->callbacks = dm_vcalloc(ps->exceptions_per_area, - sizeof(*ps->callbacks)); - if (!ps->callbacks) - return -ENOMEM; - - /* - * Do we need to setup a new snapshot ? - */ - if (new_snapshot) { - r = write_header(ps); - if (r) { - DMWARN("write_header failed"); - return r; - } - - ps->current_area = 0; - zero_memory_area(ps); - r = zero_disk_area(ps, 0); - if (r) { - DMWARN("zero_disk_area(0) failed"); - return r; - } - } else { - /* - * Sanity checks. - */ - if (ps->version != SNAPSHOT_DISK_VERSION) { - DMWARN("unable to handle snapshot disk version %d", - ps->version); - return -EINVAL; - } - - /* - * Metadata are valid, but snapshot is invalidated - */ - if (!ps->valid) - return 1; - - /* - * Read the metadata. - */ - r = read_exceptions(ps); - if (r) - return r; + r = dm_persistent_snapshot_init(); + if (r) { + DMERR("Unable to register persistent exception store type"); + goto persistent_fail; } return 0; -} - -static int persistent_prepare(struct dm_exception_store *store, - struct dm_snap_exception *e) -{ - struct pstore *ps = get_info(store); - uint32_t stride; - chunk_t next_free; - sector_t size = get_dev_size(store->snap->cow->bdev); - - /* Is there enough room ? */ - if (size < ((ps->next_free + 1) * store->snap->chunk_size)) - return -ENOSPC; - e->new_chunk = ps->next_free; - - /* - * Move onto the next free pending, making sure to take - * into account the location of the metadata chunks. - */ - stride = (ps->exceptions_per_area + 1); - next_free = ++ps->next_free; - if (sector_div(next_free, stride) == 1) - ps->next_free++; - - atomic_inc(&ps->pending_count); - return 0; -} - -static void persistent_commit(struct dm_exception_store *store, - struct dm_snap_exception *e, - void (*callback) (void *, int success), - void *callback_context) -{ - unsigned int i; - struct pstore *ps = get_info(store); - struct disk_exception de; - struct commit_callback *cb; - - de.old_chunk = e->old_chunk; - de.new_chunk = e->new_chunk; - write_exception(ps, ps->current_committed++, &de); - - /* - * Add the callback to the back of the array. This code - * is the only place where the callback array is - * manipulated, and we know that it will never be called - * multiple times concurrently. - */ - cb = ps->callbacks + ps->callback_count++; - cb->callback = callback; - cb->context = callback_context; - - /* - * If there are exceptions in flight and we have not yet - * filled this metadata area there's nothing more to do. - */ - if (!atomic_dec_and_test(&ps->pending_count) && - (ps->current_committed != ps->exceptions_per_area)) - return; - - /* - * If we completely filled the current area, then wipe the next one. - */ - if ((ps->current_committed == ps->exceptions_per_area) && - zero_disk_area(ps, ps->current_area + 1)) - ps->valid = 0; - - /* - * Commit exceptions to disk. - */ - if (ps->valid && area_io(ps, WRITE)) - ps->valid = 0; - - /* - * Advance to the next area if this one is full. - */ - if (ps->current_committed == ps->exceptions_per_area) { - ps->current_committed = 0; - ps->current_area++; - zero_memory_area(ps); - } - - for (i = 0; i < ps->callback_count; i++) { - cb = ps->callbacks + i; - cb->callback(cb->context, ps->valid); - } - - ps->callback_count = 0; -} - -static void persistent_drop(struct dm_exception_store *store) -{ - struct pstore *ps = get_info(store); - - ps->valid = 0; - if (write_header(ps)) - DMWARN("write header failed"); -} - -int dm_create_persistent(struct dm_exception_store *store) -{ - struct pstore *ps; - - /* allocate the pstore */ - ps = kmalloc(sizeof(*ps), GFP_KERNEL); - if (!ps) - return -ENOMEM; - - ps->snap = store->snap; - ps->valid = 1; - ps->version = SNAPSHOT_DISK_VERSION; - ps->area = NULL; - ps->next_free = 2; /* skipping the header and first area */ - ps->current_committed = 0; - - ps->callback_count = 0; - atomic_set(&ps->pending_count, 0); - ps->callbacks = NULL; - - ps->metadata_wq = create_singlethread_workqueue("ksnaphd"); - if (!ps->metadata_wq) { - kfree(ps); - DMERR("couldn't start header metadata update thread"); - return -ENOMEM; - } - - store->destroy = persistent_destroy; - store->read_metadata = persistent_read_metadata; - store->prepare_exception = persistent_prepare; - store->commit_exception = persistent_commit; - store->drop_snapshot = persistent_drop; - store->fraction_full = persistent_fraction_full; - store->context = ps; - - return 0; -} - -/*----------------------------------------------------------------- - * Implementation of the store for non-persistent snapshots. - *---------------------------------------------------------------*/ -struct transient_c { - sector_t next_free; -}; - -static void transient_destroy(struct dm_exception_store *store) -{ - kfree(store->context); -} - -static int transient_read_metadata(struct dm_exception_store *store) -{ - return 0; -} - -static int transient_prepare(struct dm_exception_store *store, - struct dm_snap_exception *e) -{ - struct transient_c *tc = (struct transient_c *) store->context; - sector_t size = get_dev_size(store->snap->cow->bdev); - - if (size < (tc->next_free + store->snap->chunk_size)) - return -1; - - e->new_chunk = sector_to_chunk(store->snap, tc->next_free); - tc->next_free += store->snap->chunk_size; - - return 0; -} - -static void transient_commit(struct dm_exception_store *store, - struct dm_snap_exception *e, - void (*callback) (void *, int success), - void *callback_context) -{ - /* Just succeed */ - callback(callback_context, 1); -} - -static void transient_fraction_full(struct dm_exception_store *store, - sector_t *numerator, sector_t *denominator) -{ - *numerator = ((struct transient_c *) store->context)->next_free; - *denominator = get_dev_size(store->snap->cow->bdev); +persistent_fail: + dm_persistent_snapshot_exit(); +transient_fail: + return r; } -int dm_create_transient(struct dm_exception_store *store) +void dm_exception_store_exit(void) { - struct transient_c *tc; - - store->destroy = transient_destroy; - store->read_metadata = transient_read_metadata; - store->prepare_exception = transient_prepare; - store->commit_exception = transient_commit; - store->drop_snapshot = NULL; - store->fraction_full = transient_fraction_full; - - tc = kmalloc(sizeof(struct transient_c), GFP_KERNEL); - if (!tc) - return -ENOMEM; - - tc->next_free = 0; - store->context = tc; - - return 0; + dm_persistent_snapshot_exit(); + dm_transient_snapshot_exit(); } diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 25677df..78d1ace 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -122,9 +122,18 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) # endif +int dm_exception_store_init(void); +void dm_exception_store_exit(void); + /* * Two exception store implementations. */ +int dm_persistent_snapshot_init(void); +void dm_persistent_snapshot_exit(void); + +int dm_transient_snapshot_init(void); +void dm_transient_snapshot_exit(void); + int dm_create_persistent(struct dm_exception_store *store); int dm_create_transient(struct dm_exception_store *store); diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c new file mode 100644 index 0000000..57c946c --- /dev/null +++ b/drivers/md/dm-snap-persistent.c @@ -0,0 +1,694 @@ +/* + * Copyright (C) 2001-2002 Sistina Software (UK) Limited. + * Copyright (C) 2006-2008 Red Hat GmbH + * + * This file is released under the GPL. + */ + +#include "dm-exception-store.h" +#include "dm-snap.h" + +#include +#include +#include +#include +#include + +#define DM_MSG_PREFIX "persistent snapshot" +#define DM_CHUNK_SIZE_DEFAULT_SECTORS 32 /* 16KB */ + +/*----------------------------------------------------------------- + * Persistent snapshots, by persistent we mean that the snapshot + * will survive a reboot. + *---------------------------------------------------------------*/ + +/* + * We need to store a record of which parts of the origin have + * been copied to the snapshot device. The snapshot code + * requires that we copy exception chunks to chunk aligned areas + * of the COW store. It makes sense therefore, to store the + * metadata in chunk size blocks. + * + * There is no backward or forward compatibility implemented, + * snapshots with different disk versions than the kernel will + * not be usable. It is expected that "lvcreate" will blank out + * the start of a fresh COW device before calling the snapshot + * constructor. + * + * The first chunk of the COW device just contains the header. + * After this there is a chunk filled with exception metadata, + * followed by as many exception chunks as can fit in the + * metadata areas. + * + * All on disk structures are in little-endian format. The end + * of the exceptions info is indicated by an exception with a + * new_chunk of 0, which is invalid since it would point to the + * header chunk. + */ + +/* + * Magic for persistent snapshots: "SnAp" - Feeble isn't it. + */ +#define SNAP_MAGIC 0x70416e53 + +/* + * The on-disk version of the metadata. + */ +#define SNAPSHOT_DISK_VERSION 1 + +struct disk_header { + uint32_t magic; + + /* + * Is this snapshot valid. There is no way of recovering + * an invalid snapshot. + */ + uint32_t valid; + + /* + * Simple, incrementing version. no backward + * compatibility. + */ + uint32_t version; + + /* In sectors */ + uint32_t chunk_size; +}; + +struct disk_exception { + uint64_t old_chunk; + uint64_t new_chunk; +}; + +struct commit_callback { + void (*callback)(void *, int success); + void *context; +}; + +/* + * The top level structure for a persistent exception store. + */ +struct pstore { + struct dm_snapshot *snap; /* up pointer to my snapshot */ + int version; + int valid; + uint32_t exceptions_per_area; + + /* + * Now that we have an asynchronous kcopyd there is no + * need for large chunk sizes, so it wont hurt to have a + * whole chunks worth of metadata in memory at once. + */ + void *area; + + /* + * An area of zeros used to clear the next area. + */ + void *zero_area; + + /* + * Used to keep track of which metadata area the data in + * 'chunk' refers to. + */ + chunk_t current_area; + + /* + * The next free chunk for an exception. + */ + chunk_t next_free; + + /* + * The index of next free exception in the current + * metadata area. + */ + uint32_t current_committed; + + atomic_t pending_count; + uint32_t callback_count; + struct commit_callback *callbacks; + struct dm_io_client *io_client; + + struct workqueue_struct *metadata_wq; +}; + +static unsigned sectors_to_pages(unsigned sectors) +{ + return DIV_ROUND_UP(sectors, PAGE_SIZE >> 9); +} + +static int alloc_area(struct pstore *ps) +{ + int r = -ENOMEM; + size_t len; + + len = ps->snap->chunk_size << SECTOR_SHIFT; + + /* + * Allocate the chunk_size block of memory that will hold + * a single metadata area. + */ + ps->area = vmalloc(len); + if (!ps->area) + return r; + + ps->zero_area = vmalloc(len); + if (!ps->zero_area) { + vfree(ps->area); + return r; + } + memset(ps->zero_area, 0, len); + + return 0; +} + +static void free_area(struct pstore *ps) +{ + vfree(ps->area); + ps->area = NULL; + vfree(ps->zero_area); + ps->zero_area = NULL; +} + +struct mdata_req { + struct dm_io_region *where; + struct dm_io_request *io_req; + struct work_struct work; + int result; +}; + +static void do_metadata(struct work_struct *work) +{ + struct mdata_req *req = container_of(work, struct mdata_req, work); + + req->result = dm_io(req->io_req, 1, req->where, NULL); +} + +/* + * Read or write a chunk aligned and sized block of data from a device. + */ +static int chunk_io(struct pstore *ps, chunk_t chunk, int rw, int metadata) +{ + struct dm_io_region where = { + .bdev = ps->snap->cow->bdev, + .sector = ps->snap->chunk_size * chunk, + .count = ps->snap->chunk_size, + }; + struct dm_io_request io_req = { + .bi_rw = rw, + .mem.type = DM_IO_VMA, + .mem.ptr.vma = ps->area, + .client = ps->io_client, + .notify.fn = NULL, + }; + struct mdata_req req; + + if (!metadata) + return dm_io(&io_req, 1, &where, NULL); + + req.where = &where; + req.io_req = &io_req; + + /* + * Issue the synchronous I/O from a different thread + * to avoid generic_make_request recursion. + */ + INIT_WORK(&req.work, do_metadata); + queue_work(ps->metadata_wq, &req.work); + flush_workqueue(ps->metadata_wq); + + return req.result; +} + +/* + * Convert a metadata area index to a chunk index. + */ +static chunk_t area_location(struct pstore *ps, chunk_t area) +{ + return 1 + ((ps->exceptions_per_area + 1) * area); +} + +/* + * Read or write a metadata area. Remembering to skip the first + * chunk which holds the header. + */ +static int area_io(struct pstore *ps, int rw) +{ + int r; + chunk_t chunk; + + chunk = area_location(ps, ps->current_area); + + r = chunk_io(ps, chunk, rw, 0); + if (r) + return r; + + return 0; +} + +static void zero_memory_area(struct pstore *ps) +{ + memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT); +} + +static int zero_disk_area(struct pstore *ps, chunk_t area) +{ + struct dm_io_region where = { + .bdev = ps->snap->cow->bdev, + .sector = ps->snap->chunk_size * area_location(ps, area), + .count = ps->snap->chunk_size, + }; + struct dm_io_request io_req = { + .bi_rw = WRITE, + .mem.type = DM_IO_VMA, + .mem.ptr.vma = ps->zero_area, + .client = ps->io_client, + .notify.fn = NULL, + }; + + return dm_io(&io_req, 1, &where, NULL); +} + +static int read_header(struct pstore *ps, int *new_snapshot) +{ + int r; + struct disk_header *dh; + chunk_t chunk_size; + int chunk_size_supplied = 1; + + /* + * Use default chunk size (or hardsect_size, if larger) if none supplied + */ + if (!ps->snap->chunk_size) { + ps->snap->chunk_size = max(DM_CHUNK_SIZE_DEFAULT_SECTORS, + bdev_hardsect_size(ps->snap->cow->bdev) >> 9); + ps->snap->chunk_mask = ps->snap->chunk_size - 1; + ps->snap->chunk_shift = ffs(ps->snap->chunk_size) - 1; + chunk_size_supplied = 0; + } + + ps->io_client = dm_io_client_create(sectors_to_pages(ps->snap-> + chunk_size)); + if (IS_ERR(ps->io_client)) + return PTR_ERR(ps->io_client); + + r = alloc_area(ps); + if (r) + return r; + + r = chunk_io(ps, 0, READ, 1); + if (r) + goto bad; + + dh = (struct disk_header *) ps->area; + + if (le32_to_cpu(dh->magic) == 0) { + *new_snapshot = 1; + return 0; + } + + if (le32_to_cpu(dh->magic) != SNAP_MAGIC) { + DMWARN("Invalid or corrupt snapshot"); + r = -ENXIO; + goto bad; + } + + *new_snapshot = 0; + ps->valid = le32_to_cpu(dh->valid); + ps->version = le32_to_cpu(dh->version); + chunk_size = le32_to_cpu(dh->chunk_size); + + if (!chunk_size_supplied || ps->snap->chunk_size == chunk_size) + return 0; + + DMWARN("chunk size %llu in device metadata overrides " + "table chunk size of %llu.", + (unsigned long long)chunk_size, + (unsigned long long)ps->snap->chunk_size); + + /* We had a bogus chunk_size. Fix stuff up. */ + free_area(ps); + + ps->snap->chunk_size = chunk_size; + ps->snap->chunk_mask = chunk_size - 1; + ps->snap->chunk_shift = ffs(chunk_size) - 1; + + r = dm_io_client_resize(sectors_to_pages(ps->snap->chunk_size), + ps->io_client); + if (r) + return r; + + r = alloc_area(ps); + return r; + +bad: + free_area(ps); + return r; +} + +static int write_header(struct pstore *ps) +{ + struct disk_header *dh; + + memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT); + + dh = (struct disk_header *) ps->area; + dh->magic = cpu_to_le32(SNAP_MAGIC); + dh->valid = cpu_to_le32(ps->valid); + dh->version = cpu_to_le32(ps->version); + dh->chunk_size = cpu_to_le32(ps->snap->chunk_size); + + return chunk_io(ps, 0, WRITE, 1); +} + +/* + * Access functions for the disk exceptions, these do the endian conversions. + */ +static struct disk_exception *get_exception(struct pstore *ps, uint32_t index) +{ + BUG_ON(index >= ps->exceptions_per_area); + + return ((struct disk_exception *) ps->area) + index; +} + +static void read_exception(struct pstore *ps, + uint32_t index, struct disk_exception *result) +{ + struct disk_exception *e = get_exception(ps, index); + + /* copy it */ + result->old_chunk = le64_to_cpu(e->old_chunk); + result->new_chunk = le64_to_cpu(e->new_chunk); +} + +static void write_exception(struct pstore *ps, + uint32_t index, struct disk_exception *de) +{ + struct disk_exception *e = get_exception(ps, index); + + /* copy it */ + e->old_chunk = cpu_to_le64(de->old_chunk); + e->new_chunk = cpu_to_le64(de->new_chunk); +} + +/* + * Registers the exceptions that are present in the current area. + * 'full' is filled in to indicate if the area has been + * filled. + */ +static int insert_exceptions(struct pstore *ps, int *full) +{ + int r; + unsigned int i; + struct disk_exception de; + + /* presume the area is full */ + *full = 1; + + for (i = 0; i < ps->exceptions_per_area; i++) { + read_exception(ps, i, &de); + + /* + * If the new_chunk is pointing at the start of + * the COW device, where the first metadata area + * is we know that we've hit the end of the + * exceptions. Therefore the area is not full. + */ + if (de.new_chunk == 0LL) { + ps->current_committed = i; + *full = 0; + break; + } + + /* + * Keep track of the start of the free chunks. + */ + if (ps->next_free <= de.new_chunk) + ps->next_free = de.new_chunk + 1; + + /* + * Otherwise we add the exception to the snapshot. + */ + r = dm_add_exception(ps->snap, de.old_chunk, de.new_chunk); + if (r) + return r; + } + + return 0; +} + +static int read_exceptions(struct pstore *ps) +{ + int r, full = 1; + + /* + * Keeping reading chunks and inserting exceptions until + * we find a partially full area. + */ + for (ps->current_area = 0; full; ps->current_area++) { + r = area_io(ps, READ); + if (r) + return r; + + r = insert_exceptions(ps, &full); + if (r) + return r; + } + + ps->current_area--; + + return 0; +} + +static struct pstore *get_info(struct dm_exception_store *store) +{ + return (struct pstore *) store->context; +} + +static void persistent_fraction_full(struct dm_exception_store *store, + sector_t *numerator, sector_t *denominator) +{ + *numerator = get_info(store)->next_free * store->snap->chunk_size; + *denominator = get_dev_size(store->snap->cow->bdev); +} + +static void persistent_destroy(struct dm_exception_store *store) +{ + struct pstore *ps = get_info(store); + + destroy_workqueue(ps->metadata_wq); + dm_io_client_destroy(ps->io_client); + vfree(ps->callbacks); + free_area(ps); + kfree(ps); +} + +static int persistent_read_metadata(struct dm_exception_store *store) +{ + int r, uninitialized_var(new_snapshot); + struct pstore *ps = get_info(store); + + /* + * Read the snapshot header. + */ + r = read_header(ps, &new_snapshot); + if (r) + return r; + + /* + * Now we know correct chunk_size, complete the initialisation. + */ + ps->exceptions_per_area = (ps->snap->chunk_size << SECTOR_SHIFT) / + sizeof(struct disk_exception); + ps->callbacks = dm_vcalloc(ps->exceptions_per_area, + sizeof(*ps->callbacks)); + if (!ps->callbacks) + return -ENOMEM; + + /* + * Do we need to setup a new snapshot ? + */ + if (new_snapshot) { + r = write_header(ps); + if (r) { + DMWARN("write_header failed"); + return r; + } + + ps->current_area = 0; + zero_memory_area(ps); + r = zero_disk_area(ps, 0); + if (r) { + DMWARN("zero_disk_area(0) failed"); + return r; + } + } else { + /* + * Sanity checks. + */ + if (ps->version != SNAPSHOT_DISK_VERSION) { + DMWARN("unable to handle snapshot disk version %d", + ps->version); + return -EINVAL; + } + + /* + * Metadata are valid, but snapshot is invalidated + */ + if (!ps->valid) + return 1; + + /* + * Read the metadata. + */ + r = read_exceptions(ps); + if (r) + return r; + } + + return 0; +} + +static int persistent_prepare(struct dm_exception_store *store, + struct dm_snap_exception *e) +{ + struct pstore *ps = get_info(store); + uint32_t stride; + chunk_t next_free; + sector_t size = get_dev_size(store->snap->cow->bdev); + + /* Is there enough room ? */ + if (size < ((ps->next_free + 1) * store->snap->chunk_size)) + return -ENOSPC; + + e->new_chunk = ps->next_free; + + /* + * Move onto the next free pending, making sure to take + * into account the location of the metadata chunks. + */ + stride = (ps->exceptions_per_area + 1); + next_free = ++ps->next_free; + if (sector_div(next_free, stride) == 1) + ps->next_free++; + + atomic_inc(&ps->pending_count); + return 0; +} + +static void persistent_commit(struct dm_exception_store *store, + struct dm_snap_exception *e, + void (*callback) (void *, int success), + void *callback_context) +{ + unsigned int i; + struct pstore *ps = get_info(store); + struct disk_exception de; + struct commit_callback *cb; + + de.old_chunk = e->old_chunk; + de.new_chunk = e->new_chunk; + write_exception(ps, ps->current_committed++, &de); + + /* + * Add the callback to the back of the array. This code + * is the only place where the callback array is + * manipulated, and we know that it will never be called + * multiple times concurrently. + */ + cb = ps->callbacks + ps->callback_count++; + cb->callback = callback; + cb->context = callback_context; + + /* + * If there are exceptions in flight and we have not yet + * filled this metadata area there's nothing more to do. + */ + if (!atomic_dec_and_test(&ps->pending_count) && + (ps->current_committed != ps->exceptions_per_area)) + return; + + /* + * If we completely filled the current area, then wipe the next one. + */ + if ((ps->current_committed == ps->exceptions_per_area) && + zero_disk_area(ps, ps->current_area + 1)) + ps->valid = 0; + + /* + * Commit exceptions to disk. + */ + if (ps->valid && area_io(ps, WRITE)) + ps->valid = 0; + + /* + * Advance to the next area if this one is full. + */ + if (ps->current_committed == ps->exceptions_per_area) { + ps->current_committed = 0; + ps->current_area++; + zero_memory_area(ps); + } + + for (i = 0; i < ps->callback_count; i++) { + cb = ps->callbacks + i; + cb->callback(cb->context, ps->valid); + } + + ps->callback_count = 0; +} + +static void persistent_drop(struct dm_exception_store *store) +{ + struct pstore *ps = get_info(store); + + ps->valid = 0; + if (write_header(ps)) + DMWARN("write header failed"); +} + +int dm_create_persistent(struct dm_exception_store *store) +{ + struct pstore *ps; + + /* allocate the pstore */ + ps = kmalloc(sizeof(*ps), GFP_KERNEL); + if (!ps) + return -ENOMEM; + + ps->snap = store->snap; + ps->valid = 1; + ps->version = SNAPSHOT_DISK_VERSION; + ps->area = NULL; + ps->next_free = 2; /* skipping the header and first area */ + ps->current_committed = 0; + + ps->callback_count = 0; + atomic_set(&ps->pending_count, 0); + ps->callbacks = NULL; + + ps->metadata_wq = create_singlethread_workqueue("ksnaphd"); + if (!ps->metadata_wq) { + kfree(ps); + DMERR("couldn't start header metadata update thread"); + return -ENOMEM; + } + + store->destroy = persistent_destroy; + store->read_metadata = persistent_read_metadata; + store->prepare_exception = persistent_prepare; + store->commit_exception = persistent_commit; + store->drop_snapshot = persistent_drop; + store->fraction_full = persistent_fraction_full; + store->context = ps; + + return 0; +} + +int dm_persistent_snapshot_init(void) +{ + return 0; +} + +void dm_persistent_snapshot_exit(void) +{ +} diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c new file mode 100644 index 0000000..2a781df --- /dev/null +++ b/drivers/md/dm-snap-transient.c @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2001-2002 Sistina Software (UK) Limited. + * Copyright (C) 2006-2008 Red Hat GmbH + * + * This file is released under the GPL. + */ + +#include "dm-exception-store.h" +#include "dm-snap.h" + +#include +#include +#include +#include +#include + +#define DM_MSG_PREFIX "transient snapshot" + +/*----------------------------------------------------------------- + * Implementation of the store for non-persistent snapshots. + *---------------------------------------------------------------*/ +struct transient_c { + sector_t next_free; +}; + +static void transient_destroy(struct dm_exception_store *store) +{ + kfree(store->context); +} + +static int transient_read_metadata(struct dm_exception_store *store) +{ + return 0; +} + +static int transient_prepare(struct dm_exception_store *store, + struct dm_snap_exception *e) +{ + struct transient_c *tc = (struct transient_c *) store->context; + sector_t size = get_dev_size(store->snap->cow->bdev); + + if (size < (tc->next_free + store->snap->chunk_size)) + return -1; + + e->new_chunk = sector_to_chunk(store->snap, tc->next_free); + tc->next_free += store->snap->chunk_size; + + return 0; +} + +static void transient_commit(struct dm_exception_store *store, + struct dm_snap_exception *e, + void (*callback) (void *, int success), + void *callback_context) +{ + /* Just succeed */ + callback(callback_context, 1); +} + +static void transient_fraction_full(struct dm_exception_store *store, + sector_t *numerator, sector_t *denominator) +{ + *numerator = ((struct transient_c *) store->context)->next_free; + *denominator = get_dev_size(store->snap->cow->bdev); +} + +int dm_create_transient(struct dm_exception_store *store) +{ + struct transient_c *tc; + + store->destroy = transient_destroy; + store->read_metadata = transient_read_metadata; + store->prepare_exception = transient_prepare; + store->commit_exception = transient_commit; + store->drop_snapshot = NULL; + store->fraction_full = transient_fraction_full; + + tc = kmalloc(sizeof(struct transient_c), GFP_KERNEL); + if (!tc) + return -ENOMEM; + + tc->next_free = 0; + store->context = tc; + + return 0; +} + +int dm_transient_snapshot_init(void) +{ + return 0; +} + +void dm_transient_snapshot_exit(void) +{ +} diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 81f03a0..018b567 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1406,6 +1406,12 @@ static int __init dm_snapshot_init(void) { int r; + r = dm_exception_store_init(); + if (r) { + DMERR("Failed to initialize exception stores"); + return r; + } + r = dm_register_target(&snapshot_target); if (r) { DMERR("snapshot target register failed %d", r); @@ -1454,17 +1460,17 @@ static int __init dm_snapshot_init(void) return 0; - bad_pending_pool: +bad_pending_pool: kmem_cache_destroy(tracked_chunk_cache); - bad5: +bad5: kmem_cache_destroy(pending_cache); - bad4: +bad4: kmem_cache_destroy(exception_cache); - bad3: +bad3: exit_origin_hash(); - bad2: +bad2: dm_unregister_target(&origin_target); - bad1: +bad1: dm_unregister_target(&snapshot_target); return r; } @@ -1480,6 +1486,8 @@ static void __exit dm_snapshot_exit(void) kmem_cache_destroy(pending_cache); kmem_cache_destroy(exception_cache); kmem_cache_destroy(tracked_chunk_cache); + + dm_exception_store_exit(); } /* Module hooks */ -- cgit v0.10.2 From a159c1ac5f33c6cf0f5aa3c9d1ccdc82c907ee46 Mon Sep 17 00:00:00 2001 From: Jonathan Brassow Date: Tue, 6 Jan 2009 03:05:19 +0000 Subject: dm snapshot: extend exception store functions Supply dm_add_exception as a callback to the read_metadata function. Add a status function ready for a later patch and name the functions consistently. Signed-off-by: Jonathan Brassow Signed-off-by: Alasdair G Kergon diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 74777e0..dccbfb0 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -11,7 +11,6 @@ #include #include #include -#include #define DM_MSG_PREFIX "snapshot exception stores" diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 78d1ace..bb9f33d 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -11,6 +11,7 @@ #define _LINUX_DM_EXCEPTION_STORE #include +#include /* * The snapshot code deals with largish chunks of the disk at a @@ -37,7 +38,6 @@ struct dm_snap_exception { * COW device). */ struct dm_exception_store { - /* * Destroys this object when you've finished with it. */ @@ -45,9 +45,13 @@ struct dm_exception_store { /* * The target shouldn't read the COW device until this is - * called. + * called. As exceptions are read from the COW, they are + * reported back via the callback. */ - int (*read_metadata) (struct dm_exception_store *store); + int (*read_metadata) (struct dm_exception_store *store, + int (*callback)(void *callback_context, + chunk_t old, chunk_t new), + void *callback_context); /* * Find somewhere to store the next exception. @@ -68,6 +72,9 @@ struct dm_exception_store { */ void (*drop_snapshot) (struct dm_exception_store *store); + int (*status) (struct dm_exception_store *store, status_type_t status, + char *result, unsigned int maxlen); + /* * Return how full the snapshot is. */ diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index 57c946c..936b34e 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -395,7 +395,11 @@ static void write_exception(struct pstore *ps, * 'full' is filled in to indicate if the area has been * filled. */ -static int insert_exceptions(struct pstore *ps, int *full) +static int insert_exceptions(struct pstore *ps, + int (*callback)(void *callback_context, + chunk_t old, chunk_t new), + void *callback_context, + int *full) { int r; unsigned int i; @@ -428,7 +432,7 @@ static int insert_exceptions(struct pstore *ps, int *full) /* * Otherwise we add the exception to the snapshot. */ - r = dm_add_exception(ps->snap, de.old_chunk, de.new_chunk); + r = callback(callback_context, de.old_chunk, de.new_chunk); if (r) return r; } @@ -436,7 +440,10 @@ static int insert_exceptions(struct pstore *ps, int *full) return 0; } -static int read_exceptions(struct pstore *ps) +static int read_exceptions(struct pstore *ps, + int (*callback)(void *callback_context, chunk_t old, + chunk_t new), + void *callback_context) { int r, full = 1; @@ -449,7 +456,7 @@ static int read_exceptions(struct pstore *ps) if (r) return r; - r = insert_exceptions(ps, &full); + r = insert_exceptions(ps, callback, callback_context, &full); if (r) return r; } @@ -482,7 +489,10 @@ static void persistent_destroy(struct dm_exception_store *store) kfree(ps); } -static int persistent_read_metadata(struct dm_exception_store *store) +static int persistent_read_metadata(struct dm_exception_store *store, + int (*callback)(void *callback_context, + chunk_t old, chunk_t new), + void *callback_context) { int r, uninitialized_var(new_snapshot); struct pstore *ps = get_info(store); @@ -540,7 +550,7 @@ static int persistent_read_metadata(struct dm_exception_store *store) /* * Read the metadata. */ - r = read_exceptions(ps); + r = read_exceptions(ps, callback, callback_context); if (r) return r; } @@ -548,8 +558,8 @@ static int persistent_read_metadata(struct dm_exception_store *store) return 0; } -static int persistent_prepare(struct dm_exception_store *store, - struct dm_snap_exception *e) +static int persistent_prepare_exception(struct dm_exception_store *store, + struct dm_snap_exception *e) { struct pstore *ps = get_info(store); uint32_t stride; @@ -575,10 +585,10 @@ static int persistent_prepare(struct dm_exception_store *store, return 0; } -static void persistent_commit(struct dm_exception_store *store, - struct dm_snap_exception *e, - void (*callback) (void *, int success), - void *callback_context) +static void persistent_commit_exception(struct dm_exception_store *store, + struct dm_snap_exception *e, + void (*callback) (void *, int success), + void *callback_context) { unsigned int i; struct pstore *ps = get_info(store); @@ -637,7 +647,7 @@ static void persistent_commit(struct dm_exception_store *store, ps->callback_count = 0; } -static void persistent_drop(struct dm_exception_store *store) +static void persistent_drop_snapshot(struct dm_exception_store *store) { struct pstore *ps = get_info(store); @@ -675,9 +685,9 @@ int dm_create_persistent(struct dm_exception_store *store) store->destroy = persistent_destroy; store->read_metadata = persistent_read_metadata; - store->prepare_exception = persistent_prepare; - store->commit_exception = persistent_commit; - store->drop_snapshot = persistent_drop; + store->prepare_exception = persistent_prepare_exception; + store->commit_exception = persistent_commit_exception; + store->drop_snapshot = persistent_drop_snapshot; store->fraction_full = persistent_fraction_full; store->context = ps; diff --git a/drivers/md/dm-snap-transient.c b/drivers/md/dm-snap-transient.c index 2a781df..7f6e2e6 100644 --- a/drivers/md/dm-snap-transient.c +++ b/drivers/md/dm-snap-transient.c @@ -28,13 +28,16 @@ static void transient_destroy(struct dm_exception_store *store) kfree(store->context); } -static int transient_read_metadata(struct dm_exception_store *store) +static int transient_read_metadata(struct dm_exception_store *store, + int (*callback)(void *callback_context, + chunk_t old, chunk_t new), + void *callback_context) { return 0; } -static int transient_prepare(struct dm_exception_store *store, - struct dm_snap_exception *e) +static int transient_prepare_exception(struct dm_exception_store *store, + struct dm_snap_exception *e) { struct transient_c *tc = (struct transient_c *) store->context; sector_t size = get_dev_size(store->snap->cow->bdev); @@ -48,10 +51,10 @@ static int transient_prepare(struct dm_exception_store *store, return 0; } -static void transient_commit(struct dm_exception_store *store, - struct dm_snap_exception *e, - void (*callback) (void *, int success), - void *callback_context) +static void transient_commit_exception(struct dm_exception_store *store, + struct dm_snap_exception *e, + void (*callback) (void *, int success), + void *callback_context) { /* Just succeed */ callback(callback_context, 1); @@ -70,8 +73,8 @@ int dm_create_transient(struct dm_exception_store *store) store->destroy = transient_destroy; store->read_metadata = transient_read_metadata; - store->prepare_exception = transient_prepare; - store->commit_exception = transient_commit; + store->prepare_exception = transient_prepare_exception; + store->commit_exception = transient_commit_exception; store->drop_snapshot = NULL; store->fraction_full = transient_fraction_full; diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 018b567..65ff82f 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -430,8 +430,13 @@ out: list_add(&new_e->hash_list, e ? &e->hash_list : l); } -int dm_add_exception(struct dm_snapshot *s, chunk_t old, chunk_t new) +/* + * Callback used by the exception stores to load exceptions when + * initialising. + */ +static int dm_add_exception(void *context, chunk_t old, chunk_t new) { + struct dm_snapshot *s = context; struct dm_snap_exception *e; e = alloc_exception(); @@ -660,7 +665,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) spin_lock_init(&s->tracked_chunk_lock); /* Metadata must only be loaded into one table at once */ - r = s->store.read_metadata(&s->store); + r = s->store.read_metadata(&s->store, dm_add_exception, (void *)s); if (r < 0) { ti->error = "Failed to read snapshot metadata"; goto bad_load_and_register; diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h index 9281236..d9e62b4 100644 --- a/drivers/md/dm-snap.h +++ b/drivers/md/dm-snap.h @@ -76,12 +76,6 @@ struct dm_snapshot { }; /* - * Used by the exception stores to load exceptions hen - * initialising. - */ -int dm_add_exception(struct dm_snapshot *s, chunk_t old, chunk_t new); - -/* * Return the number of sectors in the device. */ static inline sector_t get_dev_size(struct block_device *bdev) -- cgit v0.10.2