From dac61f521b1e4d2c6c48023f2f2743c6096b48ca Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:27:56 +1100 Subject: [XFS] Make quiet mounts quiet The XFS quiet mount logic was inverted making quiet mounts noisy and vice versa. Fix it. SGI-PV: 958469 SGI-Modid: xfs-linux-melb:xfs-kern:27520a Signed-off-by: David Chinner Signed-off-by: Eric Sandeen Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 0893e16..86d22ef 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -180,6 +180,6 @@ extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) #define xfs_fs_mount_cmn_err(f, fmt, args...) \ - ((f & XFS_MFSI_QUIET)? cmn_err(CE_WARN, "XFS: " fmt, ## args) : (void)0) + ((f & XFS_MFSI_QUIET)? (void)0 : cmn_err(CE_WARN, "XFS: " fmt, ## args)) #endif /* __XFS_ERROR_H__ */ -- cgit v0.10.2 From 585e6d8856526a846b90b485abf37ec40e5da1cf Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:32:29 +1100 Subject: [XFS] Fix a synchronous buftarg flush deadlock when freezing. At the last stage of a freeze, we flush the buftarg synchronously over and over again until it succeeds twice without skipping any buffers. The delwri list flush skips pinned buffers, but tries to flush all others. It removes the buffers from the delwri list, then tries to lock them one at a time as it traverses the list to issue the I/O. It holds them locked until we issue all of the I/O and then unlocks them once we've waited for it to complete. The problem is that during a freeze, the filesystem may still be doing stuff - like flushing delalloc data buffers - in the background and hence we can be trying to lock buffers that were on the delwri list at the same time. Hence we can get ABBA deadlocks between threads doing allocation and the buftarg flush (freeze) thread. Fix it by skipping locked (and pinned) buffers as we traverse the delwri buffer list. SGI-PV: 957195 SGI-Modid: xfs-linux-melb:xfs-kern:27535a Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 4fb01ff..946b00b 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1679,21 +1679,59 @@ xfsbufd_wakeup( return 0; } +/* + * Move as many buffers as specified to the supplied list + * idicating if we skipped any buffers to prevent deadlocks. + */ +STATIC int +xfs_buf_delwri_split( + xfs_buftarg_t *target, + struct list_head *list, + unsigned long age, + int flags) +{ + xfs_buf_t *bp, *n; + struct list_head *dwq = &target->bt_delwrite_queue; + spinlock_t *dwlk = &target->bt_delwrite_lock; + int skipped = 0; + + INIT_LIST_HEAD(list); + spin_lock(dwlk); + list_for_each_entry_safe(bp, n, dwq, b_list) { + XB_TRACE(bp, "walkq1", (long)xfs_buf_ispin(bp)); + ASSERT(bp->b_flags & XBF_DELWRI); + + if (!xfs_buf_ispin(bp) && !xfs_buf_cond_lock(bp)) { + if (!(flags & XBT_FORCE_FLUSH) && + time_before(jiffies, bp->b_queuetime + age)) { + xfs_buf_unlock(bp); + break; + } + + bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q| + _XBF_RUN_QUEUES); + bp->b_flags |= XBF_WRITE; + list_move_tail(&bp->b_list, list); + } else + skipped++; + } + spin_unlock(dwlk); + + return skipped; + +} + STATIC int xfsbufd( - void *data) + void *data) { - struct list_head tmp; - unsigned long age; - xfs_buftarg_t *target = (xfs_buftarg_t *)data; - xfs_buf_t *bp, *n; - struct list_head *dwq = &target->bt_delwrite_queue; - spinlock_t *dwlk = &target->bt_delwrite_lock; - int count; + struct list_head tmp; + xfs_buftarg_t *target = (xfs_buftarg_t *)data; + int count; + xfs_buf_t *bp; current->flags |= PF_MEMALLOC; - INIT_LIST_HEAD(&tmp); do { if (unlikely(freezing(current))) { set_bit(XBT_FORCE_SLEEP, &target->bt_flags); @@ -1705,37 +1743,19 @@ xfsbufd( schedule_timeout_interruptible( xfs_buf_timer_centisecs * msecs_to_jiffies(10)); - count = 0; - age = xfs_buf_age_centisecs * msecs_to_jiffies(10); - spin_lock(dwlk); - list_for_each_entry_safe(bp, n, dwq, b_list) { - XB_TRACE(bp, "walkq1", (long)xfs_buf_ispin(bp)); - ASSERT(bp->b_flags & XBF_DELWRI); - - if (!xfs_buf_ispin(bp) && !xfs_buf_cond_lock(bp)) { - if (!test_bit(XBT_FORCE_FLUSH, - &target->bt_flags) && - time_before(jiffies, - bp->b_queuetime + age)) { - xfs_buf_unlock(bp); - break; - } - - bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q| - _XBF_RUN_QUEUES); - bp->b_flags |= XBF_WRITE; - list_move_tail(&bp->b_list, &tmp); - count++; - } - } - spin_unlock(dwlk); + xfs_buf_delwri_split(target, &tmp, + xfs_buf_age_centisecs * msecs_to_jiffies(10), + test_bit(XBT_FORCE_FLUSH, &target->bt_flags) + ? XBT_FORCE_FLUSH : 0); + count = 0; while (!list_empty(&tmp)) { bp = list_entry(tmp.next, xfs_buf_t, b_list); ASSERT(target == bp->b_target); list_del_init(&bp->b_list); xfs_buf_iostrategy(bp); + count++; } if (as_list_len > 0) @@ -1756,40 +1776,23 @@ xfsbufd( */ int xfs_flush_buftarg( - xfs_buftarg_t *target, - int wait) + xfs_buftarg_t *target, + int wait) { - struct list_head tmp; - xfs_buf_t *bp, *n; - int pincount = 0; - struct list_head *dwq = &target->bt_delwrite_queue; - spinlock_t *dwlk = &target->bt_delwrite_lock; + struct list_head tmp; + xfs_buf_t *bp, *n; + int pincount = 0; xfs_buf_runall_queues(xfsdatad_workqueue); xfs_buf_runall_queues(xfslogd_workqueue); - INIT_LIST_HEAD(&tmp); - spin_lock(dwlk); - list_for_each_entry_safe(bp, n, dwq, b_list) { - ASSERT(bp->b_target == target); - ASSERT(bp->b_flags & (XBF_DELWRI | _XBF_DELWRI_Q)); - XB_TRACE(bp, "walkq2", (long)xfs_buf_ispin(bp)); - if (xfs_buf_ispin(bp)) { - pincount++; - continue; - } - - list_move_tail(&bp->b_list, &tmp); - } - spin_unlock(dwlk); + pincount = xfs_buf_delwri_split(target, &tmp, 0, XBT_FORCE_FLUSH); /* * Dropped the delayed write list lock, now walk the temporary list */ list_for_each_entry_safe(bp, n, &tmp, b_list) { - xfs_buf_lock(bp); - bp->b_flags &= ~(XBF_DELWRI|_XBF_DELWRI_Q|_XBF_RUN_QUEUES); - bp->b_flags |= XBF_WRITE; + ASSERT(target == bp->b_target); if (wait) bp->b_flags &= ~XBF_ASYNC; else -- cgit v0.10.2 From dc74eaad8cda9f12a885639b4f2513c99e9b483a Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:34:38 +1100 Subject: [XFS] Prevent buffer overrun in cmn_err(). The message buffer used by cmn_err() is only 256 bytes and some CXFS messages were exceeding this length. Since we were using vsprintf() and not checking for buffer overruns we were clobbering memory beyond the buffer. The size of the buffer has been increased to 1024 bytes so we can capture these larger messages and we are now using vsnprintf() to prevent overrunning the buffer size. SGI-PV: 958599 SGI-Modid: xfs-linux-melb:xfs-kern:27561a Signed-off-by: Lachlan McIlroy Signed-off-by: Geoffrey Wehrman Signed-off-by: Tim Shimmin diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c index 4363512..08bbd3c 100644 --- a/fs/xfs/support/debug.c +++ b/fs/xfs/support/debug.c @@ -19,7 +19,7 @@ #include "debug.h" #include "spin.h" -static char message[256]; /* keep it off the stack */ +static char message[1024]; /* keep it off the stack */ static DEFINE_SPINLOCK(xfs_err_lock); /* Translate from CE_FOO to KERN_FOO, err_level(CE_FOO) == KERN_FOO */ @@ -44,13 +44,14 @@ cmn_err(register int level, char *fmt, ...) spin_lock_irqsave(&xfs_err_lock,flags); va_start(ap, fmt); if (*fmt == '!') fp++; - len = vsprintf(message, fp, ap); - if (level != CE_DEBUG && message[len-1] != '\n') - strcat(message, "\n"); - printk("%s%s", err_level[level], message); + len = vsnprintf(message, sizeof(message), fp, ap); + if (len >= sizeof(message)) + len = sizeof(message) - 1; + if (message[len-1] == '\n') + message[len-1] = 0; + printk("%s%s\n", err_level[level], message); va_end(ap); spin_unlock_irqrestore(&xfs_err_lock,flags); - BUG_ON(level == CE_PANIC); } @@ -64,11 +65,13 @@ icmn_err(register int level, char *fmt, va_list ap) if(level > XFS_MAX_ERR_LEVEL) level = XFS_MAX_ERR_LEVEL; spin_lock_irqsave(&xfs_err_lock,flags); - len = vsprintf(message, fmt, ap); - if (level != CE_DEBUG && message[len-1] != '\n') - strcat(message, "\n"); + len = vsnprintf(message, sizeof(message), fmt, ap); + if (len >= sizeof(message)) + len = sizeof(message) - 1; + if (message[len-1] == '\n') + message[len-1] = 0; + printk("%s%s\n", err_level[level], message); spin_unlock_irqrestore(&xfs_err_lock,flags); - printk("%s%s", err_level[level], message); BUG_ON(level == CE_PANIC); } -- cgit v0.10.2 From 5e6a07dfe404cd4d8494d842b54706cb007fa04b Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:34:49 +1100 Subject: [XFS] Current usage of buftarg flags is incorrect. The {test,set,clear}_bit() operations take a bit index for the bit to operate on. The XBT_* flags are defined as bit fields which is incorrect, not to mention the way the bit fields are enumerated is broken too. This was only working by chance. Fix the definitions of the flags and make the code using them use the {test,set,clear}_bit() operations correctly. SGI-PV: 958639 SGI-Modid: xfs-linux-melb:xfs-kern:27565a Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 946b00b..168eecd 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1687,14 +1687,15 @@ STATIC int xfs_buf_delwri_split( xfs_buftarg_t *target, struct list_head *list, - unsigned long age, - int flags) + unsigned long age) { xfs_buf_t *bp, *n; struct list_head *dwq = &target->bt_delwrite_queue; spinlock_t *dwlk = &target->bt_delwrite_lock; int skipped = 0; + int force; + force = test_and_clear_bit(XBT_FORCE_FLUSH, &target->bt_flags); INIT_LIST_HEAD(list); spin_lock(dwlk); list_for_each_entry_safe(bp, n, dwq, b_list) { @@ -1702,7 +1703,7 @@ xfs_buf_delwri_split( ASSERT(bp->b_flags & XBF_DELWRI); if (!xfs_buf_ispin(bp) && !xfs_buf_cond_lock(bp)) { - if (!(flags & XBT_FORCE_FLUSH) && + if (!force && time_before(jiffies, bp->b_queuetime + age)) { xfs_buf_unlock(bp); break; @@ -1744,9 +1745,7 @@ xfsbufd( xfs_buf_timer_centisecs * msecs_to_jiffies(10)); xfs_buf_delwri_split(target, &tmp, - xfs_buf_age_centisecs * msecs_to_jiffies(10), - test_bit(XBT_FORCE_FLUSH, &target->bt_flags) - ? XBT_FORCE_FLUSH : 0); + xfs_buf_age_centisecs * msecs_to_jiffies(10)); count = 0; while (!list_empty(&tmp)) { @@ -1763,7 +1762,6 @@ xfsbufd( if (count) blk_run_address_space(target->bt_mapping); - clear_bit(XBT_FORCE_FLUSH, &target->bt_flags); } while (!kthread_should_stop()); return 0; @@ -1786,7 +1784,8 @@ xfs_flush_buftarg( xfs_buf_runall_queues(xfsdatad_workqueue); xfs_buf_runall_queues(xfslogd_workqueue); - pincount = xfs_buf_delwri_split(target, &tmp, 0, XBT_FORCE_FLUSH); + set_bit(XBT_FORCE_FLUSH, &target->bt_flags); + pincount = xfs_buf_delwri_split(target, &tmp, 0); /* * Dropped the delayed write list lock, now walk the temporary list diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h index 9dd235c..9e8ef8f 100644 --- a/fs/xfs/linux-2.6/xfs_buf.h +++ b/fs/xfs/linux-2.6/xfs_buf.h @@ -69,8 +69,8 @@ typedef enum { } xfs_buf_flags_t; typedef enum { - XBT_FORCE_SLEEP = (0 << 1), - XBT_FORCE_FLUSH = (1 << 1), + XBT_FORCE_SLEEP = 0, + XBT_FORCE_FLUSH = 1, } xfs_buftarg_flags_t; typedef struct xfs_bufhash { -- cgit v0.10.2 From 7989cb8ef5dbc1411d3be48218c7b25ef6e71699 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:34:56 +1100 Subject: [XFS] Keep stack usage down for 4k stacks by using noinline. gcc-4.1 and more recent aggressively inline static functions which increases XFS stack usage by ~15% in critical paths. Prevent this from occurring by adding noinline to the STATIC definition. Also uninline some functions that are too large to be inlined and were causing problems with CONFIG_FORCED_INLINING=y. Finally, clean up all the different users of inline, __inline and __inline__ and put them under one STATIC_INLINE macro. For debug kernels the STATIC_INLINE macro uninlines those functions. SGI-PV: 957159 SGI-Modid: xfs-linux-melb:xfs-kern:27585a Signed-off-by: David Chinner Signed-off-by: David Chatterton Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 7b54461..9761a5b 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -249,7 +249,7 @@ xfs_map_blocks( return -error; } -STATIC inline int +STATIC_INLINE int xfs_iomap_valid( xfs_iomap_t *iomapp, loff_t offset) diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 168eecd..e2bea6a 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -34,13 +34,13 @@ #include #include -STATIC kmem_zone_t *xfs_buf_zone; -STATIC kmem_shaker_t xfs_buf_shake; +static kmem_zone_t *xfs_buf_zone; +static kmem_shaker_t xfs_buf_shake; STATIC int xfsbufd(void *); STATIC int xfsbufd_wakeup(int, gfp_t); STATIC void xfs_buf_delwri_queue(xfs_buf_t *, int); -STATIC struct workqueue_struct *xfslogd_workqueue; +static struct workqueue_struct *xfslogd_workqueue; struct workqueue_struct *xfsdatad_workqueue; #ifdef XFS_BUF_TRACE @@ -139,7 +139,7 @@ page_region_mask( return mask; } -STATIC inline void +STATIC_INLINE void set_page_region( struct page *page, size_t offset, @@ -151,7 +151,7 @@ set_page_region( SetPageUptodate(page); } -STATIC inline int +STATIC_INLINE int test_page_region( struct page *page, size_t offset, @@ -171,9 +171,9 @@ typedef struct a_list { struct a_list *next; } a_list_t; -STATIC a_list_t *as_free_head; -STATIC int as_list_len; -STATIC DEFINE_SPINLOCK(as_lock); +static a_list_t *as_free_head; +static int as_list_len; +static DEFINE_SPINLOCK(as_lock); /* * Try to batch vunmaps because they are costly. @@ -1085,7 +1085,7 @@ xfs_buf_iostart( return status; } -STATIC __inline__ int +STATIC_INLINE int _xfs_buf_iolocked( xfs_buf_t *bp) { @@ -1095,7 +1095,7 @@ _xfs_buf_iolocked( return 0; } -STATIC __inline__ void +STATIC_INLINE void _xfs_buf_ioend( xfs_buf_t *bp, int schedule) @@ -1426,8 +1426,8 @@ xfs_free_bufhash( /* * buftarg list for delwrite queue processing */ -STATIC LIST_HEAD(xfs_buftarg_list); -STATIC DEFINE_SPINLOCK(xfs_buftarg_lock); +LIST_HEAD(xfs_buftarg_list); +static DEFINE_SPINLOCK(xfs_buftarg_lock); STATIC void xfs_register_buftarg( diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index 5fb75d9..e3a5fed 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -24,7 +24,7 @@ #include "xfs_mount.h" #include "xfs_export.h" -STATIC struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, }; +static struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, }; /* * XFS encodes and decodes the fileid portion of NFS filehandles diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index d26f5cd..cb51dc9 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -46,7 +46,7 @@ static struct vm_operations_struct xfs_file_vm_ops; static struct vm_operations_struct xfs_dmapi_file_vm_ops; #endif -STATIC inline ssize_t +STATIC_INLINE ssize_t __xfs_file_read( struct kiocb *iocb, const struct iovec *iov, @@ -84,7 +84,7 @@ xfs_file_aio_read_invis( return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos); } -STATIC inline ssize_t +STATIC_INLINE ssize_t __xfs_file_write( struct kiocb *iocb, const struct iovec *iov, diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 3ba814a..4dd6cb5 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -250,13 +250,13 @@ xfs_init_security( * * XXX(hch): nfsd is broken, better fix it instead. */ -STATIC inline int +STATIC_INLINE int xfs_has_fs_struct(struct task_struct *task) { return (task->fs != init_task.fs); } -STATIC inline void +STATIC void xfs_cleanup_inode( bhv_vnode_t *dvp, bhv_vnode_t *vp, diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index b93265b..dab5d38 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -58,10 +58,10 @@ #include #include -STATIC struct quotactl_ops xfs_quotactl_operations; -STATIC struct super_operations xfs_super_operations; -STATIC kmem_zone_t *xfs_vnode_zone; -STATIC kmem_zone_t *xfs_ioend_zone; +static struct quotactl_ops xfs_quotactl_operations; +static struct super_operations xfs_super_operations; +static kmem_zone_t *xfs_vnode_zone; +static kmem_zone_t *xfs_ioend_zone; mempool_t *xfs_ioend_pool; STATIC struct xfs_mount_args * @@ -121,7 +121,7 @@ xfs_max_file_offset( return (((__uint64_t)pagefactor) << bitshift) - 1; } -STATIC __inline__ void +STATIC_INLINE void xfs_set_inodeops( struct inode *inode) { @@ -147,7 +147,7 @@ xfs_set_inodeops( } } -STATIC __inline__ void +STATIC_INLINE void xfs_revalidate_inode( xfs_mount_t *mp, bhv_vnode_t *vp, @@ -873,7 +873,7 @@ xfs_fs_get_sb( mnt); } -STATIC struct super_operations xfs_super_operations = { +static struct super_operations xfs_super_operations = { .alloc_inode = xfs_fs_alloc_inode, .destroy_inode = xfs_fs_destroy_inode, .write_inode = xfs_fs_write_inode, @@ -887,7 +887,7 @@ STATIC struct super_operations xfs_super_operations = { .show_options = xfs_fs_show_options, }; -STATIC struct quotactl_ops xfs_quotactl_operations = { +static struct quotactl_ops xfs_quotactl_operations = { .quota_sync = xfs_fs_quotasync, .get_xstate = xfs_fs_getxstate, .set_xstate = xfs_fs_setxstate, diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c index af24653..b1036dd 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.c +++ b/fs/xfs/linux-2.6/xfs_sysctl.c @@ -54,7 +54,7 @@ xfs_stats_clear_proc_handler( } #endif /* CONFIG_PROC_FS */ -STATIC ctl_table xfs_table[] = { +static ctl_table xfs_table[] = { {XFS_RESTRICT_CHOWN, "restrict_chown", &xfs_params.restrict_chown.val, sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec, NULL, @@ -136,12 +136,12 @@ STATIC ctl_table xfs_table[] = { {0} }; -STATIC ctl_table xfs_dir_table[] = { +static ctl_table xfs_dir_table[] = { {FS_XFS, "xfs", NULL, 0, 0555, xfs_table}, {0} }; -STATIC ctl_table xfs_root_table[] = { +static ctl_table xfs_root_table[] = { {CTL_FS, "fs", NULL, 0, 0555, xfs_dir_table}, {0} }; diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c index 553fa73..ada24ba 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.c +++ b/fs/xfs/linux-2.6/xfs_vnode.c @@ -26,7 +26,7 @@ DEFINE_SPINLOCK(vnumber_lock); */ #define NVSYNC 37 #define vptosync(v) (&vsync[((unsigned long)v) % NVSYNC]) -STATIC wait_queue_head_t vsync[NVSYNC]; +static wait_queue_head_t vsync[NVSYNC]; void vn_init(void) diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index 515f5fd..b76118c 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -489,14 +489,14 @@ static inline struct bhv_vnode *vn_grab(struct bhv_vnode *vp) #define VN_LOCK(vp) mutex_spinlock(&(vp)->v_lock) #define VN_UNLOCK(vp, s) mutex_spinunlock(&(vp)->v_lock, s) -static __inline__ void vn_flagset(struct bhv_vnode *vp, uint flag) +STATIC_INLINE void vn_flagset(struct bhv_vnode *vp, uint flag) { spin_lock(&vp->v_lock); vp->v_flag |= flag; spin_unlock(&vp->v_lock); } -static __inline__ uint vn_flagclr(struct bhv_vnode *vp, uint flag) +STATIC_INLINE uint vn_flagclr(struct bhv_vnode *vp, uint flag) { uint cleared; diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c index 33ad5af..aa3c76a 100644 --- a/fs/xfs/quota/xfs_dquot_item.c +++ b/fs/xfs/quota/xfs_dquot_item.c @@ -399,7 +399,7 @@ xfs_qm_dquot_logitem_committing( /* * This is the ops vector for dquots */ -STATIC struct xfs_item_ops xfs_dquot_item_ops = { +static struct xfs_item_ops xfs_dquot_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_dquot_logitem_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_qm_dquot_logitem_format, @@ -606,7 +606,7 @@ xfs_qm_qoffend_logitem_committing(xfs_qoff_logitem_t *qip, xfs_lsn_t commit_lsn) return; } -STATIC struct xfs_item_ops xfs_qm_qoffend_logitem_ops = { +static struct xfs_item_ops xfs_qm_qoffend_logitem_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_qm_qoff_logitem_format, @@ -628,7 +628,7 @@ STATIC struct xfs_item_ops xfs_qm_qoffend_logitem_ops = { /* * This is the ops vector shared by all quotaoff-start log items. */ -STATIC struct xfs_item_ops xfs_qm_qoff_logitem_ops = { +static struct xfs_item_ops xfs_qm_qoff_logitem_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_qm_qoff_logitem_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_qm_qoff_logitem_format, diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 7c6a3a5..db1be5d 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -64,10 +64,10 @@ uint ndquot; kmem_zone_t *qm_dqzone; kmem_zone_t *qm_dqtrxzone; -STATIC kmem_shaker_t xfs_qm_shaker; +static kmem_shaker_t xfs_qm_shaker; -STATIC cred_t xfs_zerocr; -STATIC xfs_inode_t xfs_zeroino; +static cred_t xfs_zerocr; +static xfs_inode_t xfs_zeroino; STATIC void xfs_qm_list_init(xfs_dqlist_t *, char *, int); STATIC void xfs_qm_list_destroy(xfs_dqlist_t *); diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c index db8872b..39a99ab 100644 --- a/fs/xfs/quota/xfs_qm_bhv.c +++ b/fs/xfs/quota/xfs_qm_bhv.c @@ -384,7 +384,7 @@ xfs_qm_dqrele_null( } -STATIC struct xfs_qmops xfs_qmcore_xfs = { +static struct xfs_qmops xfs_qmcore_xfs = { .xfs_qminit = xfs_qm_newmount, .xfs_qmdone = xfs_qm_unmount_quotadestroy, .xfs_qmmount = xfs_qm_endmount, diff --git a/fs/xfs/support/debug.h b/fs/xfs/support/debug.h index 4f54dca..2a70cc6 100644 --- a/fs/xfs/support/debug.h +++ b/fs/xfs/support/debug.h @@ -38,13 +38,37 @@ extern void assfail(char *expr, char *f, int l); #ifndef DEBUG # define ASSERT(expr) ((void)0) -#else + +#ifndef STATIC +# define STATIC static noinline +#endif + +#ifndef STATIC_INLINE +# define STATIC_INLINE static inline +#endif + +#else /* DEBUG */ + # define ASSERT(expr) ASSERT_ALWAYS(expr) extern unsigned long random(void); -#endif #ifndef STATIC -# define STATIC static +# define STATIC noinline #endif +/* + * We stop inlining of inline functions in debug mode. + * Unfortunately, this means static inline in header files + * get multiple definitions, so they need to remain static. + * This then gives tonnes of warnings about unused but defined + * functions, so we need to add the unused attribute to prevent + * these spurious warnings. + */ +#ifndef STATIC_INLINE +# define STATIC_INLINE static __attribute__ ((unused)) noinline +#endif + +#endif /* DEBUG */ + + #endif /* __XFS_SUPPORT_DEBUG_H__ */ diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 9ada7bd..c6c2596 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -57,9 +57,9 @@ */ #define ATTR_SYSCOUNT 2 -STATIC struct attrnames posix_acl_access; -STATIC struct attrnames posix_acl_default; -STATIC struct attrnames *attr_system_names[ATTR_SYSCOUNT]; +static struct attrnames posix_acl_access; +static struct attrnames posix_acl_default; +static struct attrnames *attr_system_names[ATTR_SYSCOUNT]; /*======================================================================== * Function prototypes for the kernel. @@ -2477,7 +2477,7 @@ posix_acl_default_exists( return xfs_acl_vhasacl_default(vp); } -STATIC struct attrnames posix_acl_access = { +static struct attrnames posix_acl_access = { .attr_name = "posix_acl_access", .attr_namelen = sizeof("posix_acl_access") - 1, .attr_get = posix_acl_access_get, @@ -2486,7 +2486,7 @@ STATIC struct attrnames posix_acl_access = { .attr_exists = posix_acl_access_exists, }; -STATIC struct attrnames posix_acl_default = { +static struct attrnames posix_acl_default = { .attr_name = "posix_acl_default", .attr_namelen = sizeof("posix_acl_default") - 1, .attr_get = posix_acl_default_get, @@ -2495,7 +2495,7 @@ STATIC struct attrnames posix_acl_default = { .attr_exists = posix_acl_default_exists, }; -STATIC struct attrnames *attr_system_names[] = +static struct attrnames *attr_system_names[] = { &posix_acl_access, &posix_acl_default }; diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 9719bbe..cc4ffa4 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -94,7 +94,7 @@ STATIC int xfs_attr_leaf_entsize(xfs_attr_leafblock_t *leaf, int index); * Namespace helper routines *========================================================================*/ -STATIC inline attrnames_t * +STATIC_INLINE attrnames_t * xfs_attr_flags_namesp(int flags) { return ((flags & XFS_ATTR_SECURE) ? &attr_secure: @@ -105,7 +105,7 @@ xfs_attr_flags_namesp(int flags) * If namespace bits don't match return 0. * If all match then return 1. */ -STATIC inline int +STATIC_INLINE int xfs_attr_namesp_match(int arg_flags, int ondisk_flags) { return XFS_ATTR_NSP_ONDISK(ondisk_flags) == XFS_ATTR_NSP_ARGS_TO_ONDISK(arg_flags); @@ -116,7 +116,7 @@ xfs_attr_namesp_match(int arg_flags, int ondisk_flags) * then return 0. * If all match or are overridable then return 1. */ -STATIC inline int +STATIC_INLINE int xfs_attr_namesp_match_overrides(int arg_flags, int ondisk_flags) { if (((arg_flags & ATTR_SECURE) == 0) != diff --git a/fs/xfs/xfs_bit.c b/fs/xfs/xfs_bit.c index 43be6a7..1afe07f 100644 --- a/fs/xfs/xfs_bit.c +++ b/fs/xfs/xfs_bit.c @@ -29,7 +29,7 @@ /* * Index of high bit number in byte, -1 for none set, 0..7 otherwise. */ -STATIC const char xfs_highbit[256] = { +static const char xfs_highbit[256] = { -1, 0, 1, 1, 2, 2, 2, 2, /* 00 .. 07 */ 3, 3, 3, 3, 3, 3, 3, 3, /* 08 .. 0f */ 4, 4, 4, 4, 4, 4, 4, 4, /* 10 .. 17 */ diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index a7b835b..3a92510 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -1862,7 +1862,7 @@ xfs_bmbt_delete( * xfs_bmbt_get_startblock, xfs_bmbt_get_blockcount and xfs_bmbt_get_state. */ -STATIC __inline__ void +STATIC_INLINE void __xfs_bmbt_get_all( __uint64_t l0, __uint64_t l1, diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 7a55c24..6c1bddc 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -660,7 +660,7 @@ xfs_buf_item_committing(xfs_buf_log_item_t *bip, xfs_lsn_t commit_lsn) /* * This is the ops vector shared by all buf log items. */ -STATIC struct xfs_item_ops xfs_buf_item_ops = { +static struct xfs_item_ops xfs_buf_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_buf_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_buf_item_format, diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index 6dba781..3b14427 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -227,7 +227,7 @@ xfs_efi_item_committing(xfs_efi_log_item_t *efip, xfs_lsn_t lsn) /* * This is the ops vector shared by all efi log items. */ -STATIC struct xfs_item_ops xfs_efi_item_ops = { +static struct xfs_item_ops xfs_efi_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_efi_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_efi_item_format, @@ -525,7 +525,7 @@ xfs_efd_item_committing(xfs_efd_log_item_t *efip, xfs_lsn_t lsn) /* * This is the ops vector shared by all efd log items. */ -STATIC struct xfs_item_ops xfs_efd_item_ops = { +static struct xfs_item_ops xfs_efd_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_efd_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_efd_item_format, diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index a446e5a..b5feb3e 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -342,7 +342,7 @@ xfs_ialloc_ag_alloc( return 0; } -STATIC __inline xfs_agnumber_t +STATIC_INLINE xfs_agnumber_t xfs_ialloc_next_ag( xfs_mount_t *mp) { diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 44dfac5..cd51858 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2125,7 +2125,7 @@ xfs_iunlink_remove( return 0; } -static __inline__ int xfs_inode_clean(xfs_inode_t *ip) +STATIC_INLINE int xfs_inode_clean(xfs_inode_t *ip) { return (((ip->i_itemp == NULL) || !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) && diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c index a7a9225..565d470 100644 --- a/fs/xfs/xfs_inode_item.c +++ b/fs/xfs/xfs_inode_item.c @@ -887,7 +887,7 @@ xfs_inode_item_committing( /* * This is the ops vector shared by all buf log items. */ -STATIC struct xfs_item_ops xfs_inode_item_ops = { +static struct xfs_item_ops xfs_inode_item_ops = { .iop_size = (uint(*)(xfs_log_item_t*))xfs_inode_item_size, .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*)) xfs_inode_item_format, diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 9dfae18..397730f 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1802,7 +1802,7 @@ xfs_icsb_destroy_counters( } } -STATIC inline void +STATIC_INLINE void xfs_icsb_lock_cntr( xfs_icsb_cnts_t *icsbp) { @@ -1811,7 +1811,7 @@ xfs_icsb_lock_cntr( } } -STATIC inline void +STATIC_INLINE void xfs_icsb_unlock_cntr( xfs_icsb_cnts_t *icsbp) { @@ -1819,7 +1819,7 @@ xfs_icsb_unlock_cntr( } -STATIC inline void +STATIC_INLINE void xfs_icsb_lock_all_counters( xfs_mount_t *mp) { @@ -1832,7 +1832,7 @@ xfs_icsb_lock_all_counters( } } -STATIC inline void +STATIC_INLINE void xfs_icsb_unlock_all_counters( xfs_mount_t *mp) { -- cgit v0.10.2 From 804195b63a6dcb767f5fae43b435067079b52903 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Sat, 10 Feb 2007 18:35:02 +1100 Subject: [XFS] Get rid of old 5.3/6.1 v1 log items. Cleanup patch sent in by Eric Sandeen. SGI-PV: 958736 SGI-Modid: xfs-linux-melb:xfs-kern:27596a Signed-off-by: Eric Sandeen Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index 07c708c..d7e1361 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -21,23 +21,7 @@ /* * This is the structure used to lay out a buf log item in the * log. The data map describes which 128 byte chunks of the buffer - * have been logged. This structure works only on buffers that - * reside up to the first TB in the filesystem. These buffers are - * generated only by pre-6.2 systems and are known as XFS_LI_6_1_BUF. - */ -typedef struct xfs_buf_log_format_v1 { - unsigned short blf_type; /* buf log item type indicator */ - unsigned short blf_size; /* size of this item */ - __int32_t blf_blkno; /* starting blkno of this buf */ - ushort blf_flags; /* misc state */ - ushort blf_len; /* number of blocks in this buf */ - unsigned int blf_map_size; /* size of data bitmap in words */ - unsigned int blf_data_map[1];/* variable size bitmap of */ - /* regions of buffer in this item */ -} xfs_buf_log_format_v1_t; - -/* - * This is a form of the above structure with a 64 bit blkno field. + * have been logged. * For 6.2 and beyond, this is XFS_LI_BUF. We use this to log everything. */ typedef struct xfs_buf_log_format_t { diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 3cb678e..61a29e1 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1514,7 +1514,6 @@ xlog_recover_reorder_trans( { xlog_recover_item_t *first_item, *itemq, *itemq_next; xfs_buf_log_format_t *buf_f; - xfs_buf_log_format_v1_t *obuf_f; ushort flags = 0; first_item = itemq = trans->r_itemq; @@ -1522,29 +1521,16 @@ xlog_recover_reorder_trans( do { itemq_next = itemq->ri_next; buf_f = (xfs_buf_log_format_t *)itemq->ri_buf[0].i_addr; - switch (ITEM_TYPE(itemq)) { - case XFS_LI_BUF: - flags = buf_f->blf_flags; - break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - flags = obuf_f->blf_flags; - break; - } switch (ITEM_TYPE(itemq)) { case XFS_LI_BUF: - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: + flags = buf_f->blf_flags; if (!(flags & XFS_BLI_CANCEL)) { xlog_recover_insert_item_frontq(&trans->r_itemq, itemq); break; } case XFS_LI_INODE: - case XFS_LI_6_1_INODE: - case XFS_LI_5_3_INODE: case XFS_LI_DQUOT: case XFS_LI_QUOTAOFF: case XFS_LI_EFD: @@ -1583,7 +1569,6 @@ xlog_recover_do_buffer_pass1( xfs_buf_cancel_t *nextp; xfs_buf_cancel_t *prevp; xfs_buf_cancel_t **bucket; - xfs_buf_log_format_v1_t *obuf_f; xfs_daddr_t blkno = 0; uint len = 0; ushort flags = 0; @@ -1594,13 +1579,6 @@ xlog_recover_do_buffer_pass1( len = buf_f->blf_len; flags = buf_f->blf_flags; break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - blkno = (xfs_daddr_t) obuf_f->blf_blkno; - len = obuf_f->blf_len; - flags = obuf_f->blf_flags; - break; } /* @@ -1746,7 +1724,6 @@ xlog_recover_do_buffer_pass2( xlog_t *log, xfs_buf_log_format_t *buf_f) { - xfs_buf_log_format_v1_t *obuf_f; xfs_daddr_t blkno = 0; ushort flags = 0; uint len = 0; @@ -1757,13 +1734,6 @@ xlog_recover_do_buffer_pass2( flags = buf_f->blf_flags; len = buf_f->blf_len; break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - blkno = (xfs_daddr_t) obuf_f->blf_blkno; - flags = obuf_f->blf_flags; - len = (xfs_daddr_t) obuf_f->blf_len; - break; } return xlog_check_buffer_cancelled(log, blkno, len, flags); @@ -1799,7 +1769,6 @@ xlog_recover_do_inode_buffer( int inodes_per_buf; xfs_agino_t *logged_nextp; xfs_agino_t *buffer_nextp; - xfs_buf_log_format_v1_t *obuf_f; unsigned int *data_map = NULL; unsigned int map_size = 0; @@ -1808,12 +1777,6 @@ xlog_recover_do_inode_buffer( data_map = buf_f->blf_data_map; map_size = buf_f->blf_map_size; break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - data_map = obuf_f->blf_data_map; - map_size = obuf_f->blf_map_size; - break; } /* * Set the variables corresponding to the current region to @@ -1912,7 +1875,6 @@ xlog_recover_do_reg_buffer( int i; int bit; int nbits; - xfs_buf_log_format_v1_t *obuf_f; unsigned int *data_map = NULL; unsigned int map_size = 0; int error; @@ -1922,12 +1884,6 @@ xlog_recover_do_reg_buffer( data_map = buf_f->blf_data_map; map_size = buf_f->blf_map_size; break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - data_map = obuf_f->blf_data_map; - map_size = obuf_f->blf_map_size; - break; } bit = 0; i = 1; /* 0 is the buf format structure */ @@ -2160,7 +2116,6 @@ xlog_recover_do_buffer_trans( int pass) { xfs_buf_log_format_t *buf_f; - xfs_buf_log_format_v1_t *obuf_f; xfs_mount_t *mp; xfs_buf_t *bp; int error; @@ -2197,13 +2152,6 @@ xlog_recover_do_buffer_trans( len = buf_f->blf_len; flags = buf_f->blf_flags; break; - case XFS_LI_6_1_BUF: - case XFS_LI_5_3_BUF: - obuf_f = (xfs_buf_log_format_v1_t*)buf_f; - blkno = obuf_f->blf_blkno; - len = obuf_f->blf_len; - flags = obuf_f->blf_flags; - break; default: xfs_fs_cmn_err(CE_ALERT, log->l_mp, "xfs_log_recover: unknown buffer type 0x%x, logdev %s", @@ -2830,9 +2778,7 @@ xlog_recover_do_trans( * where xfs_daddr_t is 32-bits but mount will warn us * off a > 1 TB filesystem before we get here. */ - if ((ITEM_TYPE(item) == XFS_LI_BUF) || - (ITEM_TYPE(item) == XFS_LI_6_1_BUF) || - (ITEM_TYPE(item) == XFS_LI_5_3_BUF)) { + if ((ITEM_TYPE(item) == XFS_LI_BUF)) { if ((error = xlog_recover_do_buffer_trans(log, item, pass))) break; diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index c68e001..9c975c6 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -39,13 +39,9 @@ typedef struct xfs_trans_header { /* * Log item types. */ -#define XFS_LI_5_3_BUF 0x1234 /* v1 bufs, 1-block inode buffers */ -#define XFS_LI_5_3_INODE 0x1235 /* 1-block inode buffers */ #define XFS_LI_EFI 0x1236 #define XFS_LI_EFD 0x1237 #define XFS_LI_IUNLINK 0x1238 -#define XFS_LI_6_1_INODE 0x1239 /* 4K non-aligned inode bufs */ -#define XFS_LI_6_1_BUF 0x123a /* v1, 4K inode buffers */ #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */ #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */ #define XFS_LI_DQUOT 0x123d -- cgit v0.10.2 From 20b642858b6bb413976ff13ae6a35cc596967bab Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:35:09 +1100 Subject: [XFS] Reduction global superblock lock contention near ENOSPC. The existing per-cpu superblock counter code uses the global superblock spin lock when we approach ENOSPC for global synchronisation. On larger machines than this code was originally tested on this can still get catastrophic spinlock contention due increasing rebalance frequency near ENOSPC. By introducing a sleeping lock that is used to serialise balances and modifications near ENOSPC we prevent contention from needlessly from wasting the CPU time of potentially hundreds of CPUs. To reduce the number of balances occuring, we separate the need rebalance case from the slow allocate case. Now, a counter running dry will trigger a rebalance during which counters are disabled. Any thread that sees a disabled counter enters a different path where it waits on the new mutex. When it gets the new mutex, it checks if the counter is disabled. If the counter is disabled, then we _know_ that we have to use the global counter and lock and it is safe to do so immediately. Otherwise, we drop the mutex and go back to trying the per-cpu counters which we know were re-enabled. SGI-PV: 952227 SGI-Modid: xfs-linux-melb:xfs-kern:27612a Signed-off-by: David Chinner Signed-off-by: Lachlan McIlroy Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 397730f..37c612c 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -52,21 +52,19 @@ STATIC void xfs_unmountfs_wait(xfs_mount_t *); #ifdef HAVE_PERCPU_SB STATIC void xfs_icsb_destroy_counters(xfs_mount_t *); -STATIC void xfs_icsb_balance_counter(xfs_mount_t *, xfs_sb_field_t, int); +STATIC void xfs_icsb_balance_counter(xfs_mount_t *, xfs_sb_field_t, int, +int); STATIC void xfs_icsb_sync_counters(xfs_mount_t *); STATIC int xfs_icsb_modify_counters(xfs_mount_t *, xfs_sb_field_t, int, int); -STATIC int xfs_icsb_modify_counters_locked(xfs_mount_t *, xfs_sb_field_t, - int, int); STATIC int xfs_icsb_disable_counter(xfs_mount_t *, xfs_sb_field_t); #else #define xfs_icsb_destroy_counters(mp) do { } while (0) -#define xfs_icsb_balance_counter(mp, a, b) do { } while (0) +#define xfs_icsb_balance_counter(mp, a, b, c) do { } while (0) #define xfs_icsb_sync_counters(mp) do { } while (0) #define xfs_icsb_modify_counters(mp, a, b, c) do { } while (0) -#define xfs_icsb_modify_counters_locked(mp, a, b, c) do { } while (0) #endif @@ -545,9 +543,11 @@ xfs_readsb(xfs_mount_t *mp, int flags) ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); } - xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0); + mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); + mutex_unlock(&mp->m_icsb_mutex); mp->m_sb_bp = bp; xfs_buf_relse(bp); @@ -1485,9 +1485,11 @@ xfs_mod_incore_sb_batch(xfs_mount_t *mp, xfs_mod_sb_t *msb, uint nmsb, int rsvd) case XFS_SBS_IFREE: case XFS_SBS_FDBLOCKS: if (!(mp->m_flags & XFS_MOUNT_NO_PERCPU_SB)) { - status = xfs_icsb_modify_counters_locked(mp, + XFS_SB_UNLOCK(mp, s); + status = xfs_icsb_modify_counters(mp, msbp->msb_field, msbp->msb_delta, rsvd); + s = XFS_SB_LOCK(mp); break; } /* FALLTHROUGH */ @@ -1521,11 +1523,12 @@ xfs_mod_incore_sb_batch(xfs_mount_t *mp, xfs_mod_sb_t *msb, uint nmsb, int rsvd) case XFS_SBS_IFREE: case XFS_SBS_FDBLOCKS: if (!(mp->m_flags & XFS_MOUNT_NO_PERCPU_SB)) { - status = - xfs_icsb_modify_counters_locked(mp, + XFS_SB_UNLOCK(mp, s); + status = xfs_icsb_modify_counters(mp, msbp->msb_field, -(msbp->msb_delta), rsvd); + s = XFS_SB_LOCK(mp); break; } /* FALLTHROUGH */ @@ -1733,14 +1736,17 @@ xfs_icsb_cpu_notify( memset(cntp, 0, sizeof(xfs_icsb_cnts_t)); break; case CPU_ONLINE: - xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0); + mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); + mutex_unlock(&mp->m_icsb_mutex); break; case CPU_DEAD: /* Disable all the counters, then fold the dead cpu's * count into the total on the global superblock and * re-enable the counters. */ + mutex_lock(&mp->m_icsb_mutex); s = XFS_SB_LOCK(mp); xfs_icsb_disable_counter(mp, XFS_SBS_ICOUNT); xfs_icsb_disable_counter(mp, XFS_SBS_IFREE); @@ -1752,10 +1758,14 @@ xfs_icsb_cpu_notify( memset(cntp, 0, sizeof(xfs_icsb_cnts_t)); - xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, XFS_ICSB_SB_LOCKED); - xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, XFS_ICSB_SB_LOCKED); - xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, XFS_ICSB_SB_LOCKED); + xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, + XFS_ICSB_SB_LOCKED, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, + XFS_ICSB_SB_LOCKED, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, + XFS_ICSB_SB_LOCKED, 0); XFS_SB_UNLOCK(mp, s); + mutex_unlock(&mp->m_icsb_mutex); break; } @@ -1784,6 +1794,9 @@ xfs_icsb_init_counters( cntp = (xfs_icsb_cnts_t *)per_cpu_ptr(mp->m_sb_cnts, i); memset(cntp, 0, sizeof(xfs_icsb_cnts_t)); } + + mutex_init(&mp->m_icsb_mutex); + /* * start with all counters disabled so that the * initial balance kicks us off correctly @@ -1888,6 +1901,17 @@ xfs_icsb_disable_counter( ASSERT((field >= XFS_SBS_ICOUNT) && (field <= XFS_SBS_FDBLOCKS)); + /* + * If we are already disabled, then there is nothing to do + * here. We check before locking all the counters to avoid + * the expensive lock operation when being called in the + * slow path and the counter is already disabled. This is + * safe because the only time we set or clear this state is under + * the m_icsb_mutex. + */ + if (xfs_icsb_counter_disabled(mp, field)) + return 0; + xfs_icsb_lock_all_counters(mp); if (!test_and_set_bit(field, &mp->m_icsb_counters)) { /* drain back to superblock */ @@ -1997,24 +2021,33 @@ xfs_icsb_sync_counters_lazy( /* * Balance and enable/disable counters as necessary. * - * Thresholds for re-enabling counters are somewhat magic. - * inode counts are chosen to be the same number as single - * on disk allocation chunk per CPU, and free blocks is - * something far enough zero that we aren't going thrash - * when we get near ENOSPC. + * Thresholds for re-enabling counters are somewhat magic. inode counts are + * chosen to be the same number as single on disk allocation chunk per CPU, and + * free blocks is something far enough zero that we aren't going thrash when we + * get near ENOSPC. We also need to supply a minimum we require per cpu to + * prevent looping endlessly when xfs_alloc_space asks for more than will + * be distributed to a single CPU but each CPU has enough blocks to be + * reenabled. + * + * Note that we can be called when counters are already disabled. + * xfs_icsb_disable_counter() optimises the counter locking in this case to + * prevent locking every per-cpu counter needlessly. */ -#define XFS_ICSB_INO_CNTR_REENABLE 64 + +#define XFS_ICSB_INO_CNTR_REENABLE (uint64_t)64 #define XFS_ICSB_FDBLK_CNTR_REENABLE(mp) \ - (512 + XFS_ALLOC_SET_ASIDE(mp)) + (uint64_t)(512 + XFS_ALLOC_SET_ASIDE(mp)) STATIC void xfs_icsb_balance_counter( xfs_mount_t *mp, xfs_sb_field_t field, - int flags) + int flags, + int min_per_cpu) { uint64_t count, resid; int weight = num_online_cpus(); int s; + uint64_t min = (uint64_t)min_per_cpu; if (!(flags & XFS_ICSB_SB_LOCKED)) s = XFS_SB_LOCK(mp); @@ -2027,19 +2060,19 @@ xfs_icsb_balance_counter( case XFS_SBS_ICOUNT: count = mp->m_sb.sb_icount; resid = do_div(count, weight); - if (count < XFS_ICSB_INO_CNTR_REENABLE) + if (count < max(min, XFS_ICSB_INO_CNTR_REENABLE)) goto out; break; case XFS_SBS_IFREE: count = mp->m_sb.sb_ifree; resid = do_div(count, weight); - if (count < XFS_ICSB_INO_CNTR_REENABLE) + if (count < max(min, XFS_ICSB_INO_CNTR_REENABLE)) goto out; break; case XFS_SBS_FDBLOCKS: count = mp->m_sb.sb_fdblocks; resid = do_div(count, weight); - if (count < XFS_ICSB_FDBLK_CNTR_REENABLE(mp)) + if (count < max(min, XFS_ICSB_FDBLK_CNTR_REENABLE(mp))) goto out; break; default: @@ -2054,32 +2087,39 @@ out: XFS_SB_UNLOCK(mp, s); } -STATIC int -xfs_icsb_modify_counters_int( +int +xfs_icsb_modify_counters( xfs_mount_t *mp, xfs_sb_field_t field, int delta, - int rsvd, - int flags) + int rsvd) { xfs_icsb_cnts_t *icsbp; long long lcounter; /* long counter for 64 bit fields */ - int cpu, s, locked = 0; - int ret = 0, balance_done = 0; + int cpu, ret = 0, s; + might_sleep(); again: cpu = get_cpu(); - icsbp = (xfs_icsb_cnts_t *)per_cpu_ptr(mp->m_sb_cnts, cpu), - xfs_icsb_lock_cntr(icsbp); + icsbp = (xfs_icsb_cnts_t *)per_cpu_ptr(mp->m_sb_cnts, cpu); + + /* + * if the counter is disabled, go to slow path + */ if (unlikely(xfs_icsb_counter_disabled(mp, field))) goto slow_path; + xfs_icsb_lock_cntr(icsbp); + if (unlikely(xfs_icsb_counter_disabled(mp, field))) { + xfs_icsb_unlock_cntr(icsbp); + goto slow_path; + } switch (field) { case XFS_SBS_ICOUNT: lcounter = icsbp->icsb_icount; lcounter += delta; if (unlikely(lcounter < 0)) - goto slow_path; + goto balance_counter; icsbp->icsb_icount = lcounter; break; @@ -2087,7 +2127,7 @@ again: lcounter = icsbp->icsb_ifree; lcounter += delta; if (unlikely(lcounter < 0)) - goto slow_path; + goto balance_counter; icsbp->icsb_ifree = lcounter; break; @@ -2097,7 +2137,7 @@ again: lcounter = icsbp->icsb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); lcounter += delta; if (unlikely(lcounter < 0)) - goto slow_path; + goto balance_counter; icsbp->icsb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp); break; default: @@ -2106,72 +2146,78 @@ again: } xfs_icsb_unlock_cntr(icsbp); put_cpu(); - if (locked) - XFS_SB_UNLOCK(mp, s); return 0; - /* - * The slow path needs to be run with the SBLOCK - * held so that we prevent other threads from - * attempting to run this path at the same time. - * this provides exclusion for the balancing code, - * and exclusive fallback if the balance does not - * provide enough resources to continue in an unlocked - * manner. - */ slow_path: - xfs_icsb_unlock_cntr(icsbp); put_cpu(); - /* need to hold superblock incase we need - * to disable a counter */ - if (!(flags & XFS_ICSB_SB_LOCKED)) { - s = XFS_SB_LOCK(mp); - locked = 1; - flags |= XFS_ICSB_SB_LOCKED; - } - if (!balance_done) { - xfs_icsb_balance_counter(mp, field, flags); - balance_done = 1; + /* + * serialise with a mutex so we don't burn lots of cpu on + * the superblock lock. We still need to hold the superblock + * lock, however, when we modify the global structures. + */ + mutex_lock(&mp->m_icsb_mutex); + + /* + * Now running atomically. + * + * If the counter is enabled, someone has beaten us to rebalancing. + * Drop the lock and try again in the fast path.... + */ + if (!(xfs_icsb_counter_disabled(mp, field))) { + mutex_unlock(&mp->m_icsb_mutex); goto again; - } else { - /* - * we might not have enough on this local - * cpu to allocate for a bulk request. - * We need to drain this field from all CPUs - * and disable the counter fastpath - */ - xfs_icsb_disable_counter(mp, field); } + /* + * The counter is currently disabled. Because we are + * running atomically here, we know a rebalance cannot + * be in progress. Hence we can go straight to operating + * on the global superblock. We do not call xfs_mod_incore_sb() + * here even though we need to get the SB_LOCK. Doing so + * will cause us to re-enter this function and deadlock. + * Hence we get the SB_LOCK ourselves and then call + * xfs_mod_incore_sb_unlocked() as the unlocked path operates + * directly on the global counters. + */ + s = XFS_SB_LOCK(mp); ret = xfs_mod_incore_sb_unlocked(mp, field, delta, rsvd); + XFS_SB_UNLOCK(mp, s); - if (locked) - XFS_SB_UNLOCK(mp, s); + /* + * Now that we've modified the global superblock, we + * may be able to re-enable the distributed counters + * (e.g. lots of space just got freed). After that + * we are done. + */ + if (ret != ENOSPC) + xfs_icsb_balance_counter(mp, field, 0, 0); + mutex_unlock(&mp->m_icsb_mutex); return ret; -} -STATIC int -xfs_icsb_modify_counters( - xfs_mount_t *mp, - xfs_sb_field_t field, - int delta, - int rsvd) -{ - return xfs_icsb_modify_counters_int(mp, field, delta, rsvd, 0); -} +balance_counter: + xfs_icsb_unlock_cntr(icsbp); + put_cpu(); -/* - * Called when superblock is already locked - */ -STATIC int -xfs_icsb_modify_counters_locked( - xfs_mount_t *mp, - xfs_sb_field_t field, - int delta, - int rsvd) -{ - return xfs_icsb_modify_counters_int(mp, field, delta, - rsvd, XFS_ICSB_SB_LOCKED); + /* + * We may have multiple threads here if multiple per-cpu + * counters run dry at the same time. This will mean we can + * do more balances than strictly necessary but it is not + * the common slowpath case. + */ + mutex_lock(&mp->m_icsb_mutex); + + /* + * running atomically. + * + * This will leave the counter in the correct state for future + * accesses. After the rebalance, we simply try again and our retry + * will either succeed through the fast path or slow path without + * another balance operation being required. + */ + xfs_icsb_balance_counter(mp, field, 0, delta); + mutex_unlock(&mp->m_icsb_mutex); + goto again; } + #endif diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index e5f396f..a2295df 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -419,6 +419,7 @@ typedef struct xfs_mount { xfs_icsb_cnts_t *m_sb_cnts; /* per-cpu superblock counters */ unsigned long m_icsb_counters; /* disabled per-cpu counters */ struct notifier_block m_icsb_notifier; /* hotplug cpu notifier */ + struct mutex m_icsb_mutex; /* balancer sync lock */ #endif } xfs_mount_t; -- cgit v0.10.2 From 03135cf72621fccab57728f0ba3ab5a551df1cc1 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:35:15 +1100 Subject: [XFS] Fix UP build breakage due to undefined m_icsb_mutex. SGI-PV: 952227 SGI-Modid: xfs-linux-melb:xfs-kern:27692a Signed-off-by: David Chinner Signed-off-by: Lachlan McIlroy Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 37c612c..cbe7293 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -543,11 +543,11 @@ xfs_readsb(xfs_mount_t *mp, int flags) ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); } - mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_lock(mp); xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); mp->m_sb_bp = bp; xfs_buf_relse(bp); @@ -1736,17 +1736,17 @@ xfs_icsb_cpu_notify( memset(cntp, 0, sizeof(xfs_icsb_cnts_t)); break; case CPU_ONLINE: - mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_lock(mp); xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); break; case CPU_DEAD: /* Disable all the counters, then fold the dead cpu's * count into the total on the global superblock and * re-enable the counters. */ - mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_lock(mp); s = XFS_SB_LOCK(mp); xfs_icsb_disable_counter(mp, XFS_SBS_ICOUNT); xfs_icsb_disable_counter(mp, XFS_SBS_IFREE); @@ -1765,7 +1765,7 @@ xfs_icsb_cpu_notify( xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, XFS_ICSB_SB_LOCKED, 0); XFS_SB_UNLOCK(mp, s); - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); break; } @@ -1813,6 +1813,7 @@ xfs_icsb_destroy_counters( unregister_hotcpu_notifier(&mp->m_icsb_notifier); free_percpu(mp->m_sb_cnts); } + mutex_destroy(&mp->m_icsb_mutex); } STATIC_INLINE void @@ -2156,7 +2157,7 @@ slow_path: * the superblock lock. We still need to hold the superblock * lock, however, when we modify the global structures. */ - mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_lock(mp); /* * Now running atomically. @@ -2165,7 +2166,7 @@ slow_path: * Drop the lock and try again in the fast path.... */ if (!(xfs_icsb_counter_disabled(mp, field))) { - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); goto again; } @@ -2192,7 +2193,7 @@ slow_path: */ if (ret != ENOSPC) xfs_icsb_balance_counter(mp, field, 0, 0); - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); return ret; balance_counter: @@ -2205,7 +2206,7 @@ balance_counter: * do more balances than strictly necessary but it is not * the common slowpath case. */ - mutex_lock(&mp->m_icsb_mutex); + xfs_icsb_lock(mp); /* * running atomically. @@ -2216,7 +2217,7 @@ balance_counter: * another balance operation being required. */ xfs_icsb_balance_counter(mp, field, 0, delta); - mutex_unlock(&mp->m_icsb_mutex); + xfs_icsb_unlock(mp); goto again; } diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index a2295df..416c89f 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -18,6 +18,7 @@ #ifndef __XFS_MOUNT_H__ #define __XFS_MOUNT_H__ + typedef struct xfs_trans_reservations { uint tr_write; /* extent alloc trans */ uint tr_itruncate; /* truncate trans */ @@ -564,6 +565,26 @@ xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d) } /* + * Per-cpu superblock locking functions + */ +#ifdef HAVE_PERCPU_SB +STATIC_INLINE void +xfs_icsb_lock(xfs_mount_t *mp) +{ + mutex_lock(&mp->m_icsb_mutex); +} + +STATIC_INLINE void +xfs_icsb_unlock(xfs_mount_t *mp) +{ + mutex_unlock(&mp->m_icsb_mutex); +} +#else +#define xfs_icsb_lock(mp) +#define xfs_icsb_unlock(mp) +#endif + +/* * This structure is for use by the xfs_mod_incore_sb_batch() routine. */ typedef struct xfs_mod_sb { -- cgit v0.10.2 From e5eb7f202b7a1a2d20a0b9866805314bf6464fd0 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:35:21 +1100 Subject: [XFS] use struct kvec in struct uio SGI-PV: 954580 SGI-Modid: xfs-linux-melb:xfs-kern:27701a Signed-off-by: Lachlan McIlroy Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index f011c9c..2493752 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -388,7 +388,7 @@ xfs_readlink_by_handle( aiov.iov_len = olen; aiov.iov_base = hreq.ohandle; - auio.uio_iov = &aiov; + auio.uio_iov = (struct kvec *)&aiov; auio.uio_iovcnt = 1; auio.uio_offset = 0; auio.uio_segflg = UIO_USERSPACE; diff --git a/fs/xfs/support/move.h b/fs/xfs/support/move.h index 977879c..324e413 100644 --- a/fs/xfs/support/move.h +++ b/fs/xfs/support/move.h @@ -55,7 +55,7 @@ enum uio_seg { }; struct uio { - struct iovec *uio_iov; /* pointer to array of iovecs */ + struct kvec *uio_iov; /* pointer to array of iovecs */ int uio_iovcnt; /* number of iovecs in array */ xfs_off_t uio_offset; /* offset in file this uio corresponds to */ int uio_resid; /* residual i/o count */ @@ -63,7 +63,7 @@ struct uio { }; typedef struct uio uio_t; -typedef struct iovec iovec_t; +typedef struct kvec iovec_t; extern int xfs_uio_read (caddr_t, size_t, uio_t *); -- cgit v0.10.2 From 1c91ad3aedba82a64ae06a5a0a5651105d378112 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:35:27 +1100 Subject: [XFS] fix sparse warning in xfs_da_btree.c SGI-PV: 954580 SGI-Modid: xfs-linux-melb:xfs-kern:27702a Signed-off-by: Lachlan McIlroy Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index a68bc1f..cccf69e 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -1090,8 +1090,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result) if (blk->magic == XFS_DA_NODE_MAGIC) { node = blk->bp->data; max = be16_to_cpu(node->hdr.count); - btreehashval = node->btree[max-1].hashval; - blk->hashval = be32_to_cpu(btreehashval); + blk->hashval = be32_to_cpu(node->btree[max-1].hashval); /* * Binary search. (note: small blocks will skip loop) -- cgit v0.10.2 From 1f9b3b64d417a714eb79d9a4cd4927ab304b0fc0 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:35:33 +1100 Subject: [XFS] remove unused xflags parameter from sync routines SGI-PV: 959137 SGI-Modid: xfs-linux-melb:xfs-kern:27710a Signed-off-by: Lachlan McIlroy Signed-off-by: Eric Sandeen Signed-off-by: Tim Shimmin diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index ed620c4..0c032fd 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -134,7 +134,7 @@ xfs_qm_quotactl( break; case Q_XQUOTASYNC: - return (xfs_sync_inodes(mp, SYNC_DELWRI, 0, NULL)); + return (xfs_sync_inodes(mp, SYNC_DELWRI, NULL)); default: break; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 416c89f..9c33af8 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -616,8 +616,8 @@ extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int); extern int xfs_readsb(xfs_mount_t *, int); extern void xfs_freesb(xfs_mount_t *); extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int); -extern int xfs_syncsub(xfs_mount_t *, int, int, int *); -extern int xfs_sync_inodes(xfs_mount_t *, int, int, int *); +extern int xfs_syncsub(xfs_mount_t *, int, int *); +extern int xfs_sync_inodes(xfs_mount_t *, int, int *); extern xfs_agnumber_t xfs_initialize_perag(struct bhv_vfs *, xfs_mount_t *, xfs_agnumber_t); extern void xfs_xlatesb(void *, struct xfs_sb *, int, __int64_t); diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index 62336a4..aec4e8d 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -640,7 +640,7 @@ xfs_quiesce_fs( * we can write the unmount record. */ do { - xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, 0, NULL); + xfs_syncsub(mp, SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT, NULL); pincount = xfs_flush_buftarg(mp->m_ddev_targp, 1); if (!pincount) { delay(50); @@ -886,24 +886,20 @@ xfs_sync( if (unlikely(flags == SYNC_QUIESCE)) return xfs_quiesce_fs(mp); else - return xfs_syncsub(mp, flags, 0, NULL); + return xfs_syncsub(mp, flags, NULL); } /* * xfs sync routine for internal use * * This routine supports all of the flags defined for the generic vfs_sync - * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internally- - * required functions are specified within a separate xflags parameter, - * only available by calling this routine. + * interface as explained above under xfs_sync. * */ int xfs_sync_inodes( xfs_mount_t *mp, int flags, - int xflags, int *bypassed) { xfs_inode_t *ip = NULL; @@ -1412,17 +1408,13 @@ xfs_sync_inodes( * xfs sync routine for internal use * * This routine supports all of the flags defined for the generic vfs_sync - * interface as explained above under xfs_sync. In the interests of not - * changing interfaces within the 6.5 family, additional internally- - * required functions are specified within a separate xflags parameter, - * only available by calling this routine. + * interface as explained above under xfs_sync. * */ int xfs_syncsub( xfs_mount_t *mp, int flags, - int xflags, int *bypassed) { int error = 0; @@ -1444,7 +1436,7 @@ xfs_syncsub( if (flags & SYNC_BDFLUSH) xfs_finish_reclaim_all(mp, 1); else - error = xfs_sync_inodes(mp, flags, xflags, bypassed); + error = xfs_sync_inodes(mp, flags, bypassed); } /* -- cgit v0.10.2 From a3227fb99675ebcdbe89e6954a85742c0dd11f0a Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:35:40 +1100 Subject: [XFS] mraccessf & mrupdatef are supposed to be the "flags" versions of the functions, but they a) ignore the flags parameter completely, and b) are never called directly, only via the flag-less defines anyway So, drop the #define indirection, and rename mraccessf to mraccess, etc. SGI-PV: 959138 SGI-Modid: xfs-linux-melb:xfs-kern:27711a Signed-off-by: Lachlan McIlroy Signed-off-by: Eric Sandeen Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/linux-2.6/mrlock.h index 32e1ce0..af168a1 100644 --- a/fs/xfs/linux-2.6/mrlock.h +++ b/fs/xfs/linux-2.6/mrlock.h @@ -31,15 +31,13 @@ typedef struct { do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0) #define mrlock_init(mrp, t,n,s) mrinit(mrp, n) #define mrfree(mrp) do { } while (0) -#define mraccess(mrp) mraccessf(mrp, 0) -#define mrupdate(mrp) mrupdatef(mrp, 0) -static inline void mraccessf(mrlock_t *mrp, int flags) +static inline void mraccess(mrlock_t *mrp) { down_read(&mrp->mr_lock); } -static inline void mrupdatef(mrlock_t *mrp, int flags) +static inline void mrupdate(mrlock_t *mrp) { down_write(&mrp->mr_lock); mrp->mr_writer = 1; -- cgit v0.10.2 From 5180602e6fd6f7d221e51670567f3809ecfe968f Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:35:46 +1100 Subject: [XFS] remove unused filp from ioctl functions SGI-PV: 959140 SGI-Modid: xfs-linux-melb:xfs-kern:27712a Signed-off-by: Lachlan McIlroy Signed-off-by: Eric Sandeen Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 2493752..59b5c9b 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -355,7 +355,6 @@ STATIC int xfs_readlink_by_handle( xfs_mount_t *mp, void __user *arg, - struct file *parfilp, struct inode *parinode) { int error; @@ -406,7 +405,6 @@ STATIC int xfs_fssetdm_by_handle( xfs_mount_t *mp, void __user *arg, - struct file *parfilp, struct inode *parinode) { int error; @@ -448,7 +446,6 @@ STATIC int xfs_attrlist_by_handle( xfs_mount_t *mp, void __user *arg, - struct file *parfilp, struct inode *parinode) { int error; @@ -569,7 +566,6 @@ STATIC int xfs_attrmulti_by_handle( xfs_mount_t *mp, void __user *arg, - struct file *parfilp, struct inode *parinode) { int error; @@ -689,7 +685,6 @@ xfs_ioc_xattr( STATIC int xfs_ioc_getbmap( bhv_desc_t *bdp, - struct file *filp, int flags, unsigned int cmd, void __user *arg); @@ -788,7 +783,7 @@ xfs_ioctl( case XFS_IOC_GETBMAP: case XFS_IOC_GETBMAPA: - return xfs_ioc_getbmap(bdp, filp, ioflags, cmd, arg); + return xfs_ioc_getbmap(bdp, ioflags, cmd, arg); case XFS_IOC_GETBMAPX: return xfs_ioc_getbmapx(bdp, arg); @@ -802,16 +797,16 @@ xfs_ioctl( return xfs_open_by_handle(mp, arg, filp, inode); case XFS_IOC_FSSETDM_BY_HANDLE: - return xfs_fssetdm_by_handle(mp, arg, filp, inode); + return xfs_fssetdm_by_handle(mp, arg, inode); case XFS_IOC_READLINK_BY_HANDLE: - return xfs_readlink_by_handle(mp, arg, filp, inode); + return xfs_readlink_by_handle(mp, arg, inode); case XFS_IOC_ATTRLIST_BY_HANDLE: - return xfs_attrlist_by_handle(mp, arg, filp, inode); + return xfs_attrlist_by_handle(mp, arg, inode); case XFS_IOC_ATTRMULTI_BY_HANDLE: - return xfs_attrmulti_by_handle(mp, arg, filp, inode); + return xfs_attrmulti_by_handle(mp, arg, inode); case XFS_IOC_SWAPEXT: { error = xfs_swapext((struct xfs_swapext __user *)arg); @@ -1281,7 +1276,6 @@ xfs_ioc_xattr( STATIC int xfs_ioc_getbmap( bhv_desc_t *bdp, - struct file *filp, int ioflags, unsigned int cmd, void __user *arg) -- cgit v0.10.2 From 7666ab5fb378678a9d5eb3c0dc8d3170e274e7a4 Mon Sep 17 00:00:00 2001 From: Vlad Apostolov Date: Sat, 10 Feb 2007 18:35:52 +1100 Subject: [XFS] Workaround log space issue by increasing XFS_TRANS_PUSH_AIL_RESTARTS SGI-PV: 959264 SGI-Modid: xfs-linux-melb:xfs-kern:27750a Signed-off-by: Vlad Apostolov Signed-off-by: David Chatterton Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c index fc39b16..ceb4f6e 100644 --- a/fs/xfs/xfs_trans_ail.c +++ b/fs/xfs/xfs_trans_ail.c @@ -90,7 +90,7 @@ xfs_trans_push_ail( int flush_log; SPLDECL(s); -#define XFS_TRANS_PUSH_AIL_RESTARTS 10 +#define XFS_TRANS_PUSH_AIL_RESTARTS 1000 AIL_LOCK(mp,s); lip = xfs_trans_first_ail(mp, &gen); -- cgit v0.10.2 From e5889e90dda328443161e9512f1123c9814d03de Mon Sep 17 00:00:00 2001 From: Barry Naujok Date: Sat, 10 Feb 2007 18:35:58 +1100 Subject: [XFS] Fix attr2 corruption with btree data extents SGI-PV: 958747 SGI-Modid: xfs-linux-melb:xfs-kern:27792a Signed-off-by: Barry Naujok Signed-off-by: Russell Cattelan Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index c6c2596..a5cb097 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -199,18 +199,14 @@ xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen, return (error); /* - * Determine space new attribute will use, and if it would be - * "local" or "remote" (note: local != inline). - */ - size = xfs_attr_leaf_newentsize(namelen, valuelen, - mp->m_sb.sb_blocksize, &local); - - /* * If the inode doesn't have an attribute fork, add one. * (inode must not be locked when we call this routine) */ if (XFS_IFORK_Q(dp) == 0) { - if ((error = xfs_bmap_add_attrfork(dp, size, rsvd))) + int sf_size = sizeof(xfs_attr_sf_hdr_t) + + XFS_ATTR_SF_ENTSIZE_BYNAME(namelen, valuelen); + + if ((error = xfs_bmap_add_attrfork(dp, sf_size, rsvd))) return(error); } @@ -231,6 +227,13 @@ xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen, args.addname = 1; args.oknoent = 1; + /* + * Determine space new attribute will use, and if it would be + * "local" or "remote" (note: local != inline). + */ + size = xfs_attr_leaf_newentsize(namelen, valuelen, + mp->m_sb.sb_blocksize, &local); + nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK); if (local) { if (size > (mp->m_sb.sb_blocksize >> 1)) { diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index cc4ffa4..e466413 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -150,6 +150,7 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes) int offset; int minforkoff; /* lower limit on valid forkoff locations */ int maxforkoff; /* upper limit on valid forkoff locations */ + int dsize; xfs_mount_t *mp = dp->i_mount; offset = (XFS_LITINO(mp) - bytes) >> 3; /* rounded down */ @@ -169,8 +170,43 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes) return 0; } - /* data fork btree root can have at least this many key/ptr pairs */ - minforkoff = MAX(dp->i_df.if_bytes, XFS_BMDR_SPACE_CALC(MINDBTPTRS)); + dsize = dp->i_df.if_bytes; + + switch (dp->i_d.di_format) { + case XFS_DINODE_FMT_EXTENTS: + /* + * If there is no attr fork and the data fork is extents, + * determine if creating the default attr fork will result + * in the extents form migrating to btree. If so, the + * minimum offset only needs to be the space required for + * the btree root. + */ + if (!dp->i_d.di_forkoff && dp->i_df.if_bytes > mp->m_attroffset) + dsize = XFS_BMDR_SPACE_CALC(MINDBTPTRS); + break; + + case XFS_DINODE_FMT_BTREE: + /* + * If have data btree then keep forkoff if we have one, + * otherwise we are adding a new attr, so then we set + * minforkoff to where the btree root can finish so we have + * plenty of room for attrs + */ + if (dp->i_d.di_forkoff) { + if (offset < dp->i_d.di_forkoff) + return 0; + else + return dp->i_d.di_forkoff; + } else + dsize = XFS_BMAP_BROOT_SPACE(dp->i_df.if_broot); + break; + } + + /* + * A data fork btree root must have space for at least + * MINDBTPTRS key/ptr pairs if the data fork is small or empty. + */ + minforkoff = MAX(dsize, XFS_BMDR_SPACE_CALC(MINDBTPTRS)); minforkoff = roundup(minforkoff, 8) >> 3; /* attr fork btree root can have at least this many key/ptr pairs */ @@ -336,7 +372,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) */ totsize -= size; if (totsize == sizeof(xfs_attr_sf_hdr_t) && !args->addname && - (mp->m_flags & XFS_MOUNT_ATTR2)) { + (mp->m_flags & XFS_MOUNT_ATTR2) && + (dp->i_d.di_format != XFS_DINODE_FMT_BTREE)) { /* * Last attribute now removed, revert to original * inode format making all literal area available @@ -748,6 +785,7 @@ xfs_attr_shortform_allfit(xfs_dabuf_t *bp, xfs_inode_t *dp) + be16_to_cpu(name_loc->valuelen); } if ((dp->i_mount->m_flags & XFS_MOUNT_ATTR2) && + (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) && (bytes == sizeof(struct xfs_attr_sf_hdr))) return(-1); return(xfs_attr_shortform_bytesfit(dp, bytes)); @@ -786,6 +824,7 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff) if (forkoff == -1) { ASSERT(dp->i_mount->m_flags & XFS_MOUNT_ATTR2); + ASSERT(dp->i_d.di_format != XFS_DINODE_FMT_BTREE); /* * Last attribute was removed, revert to original diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 498ad50d..024d845 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3543,6 +3543,7 @@ xfs_bmap_forkoff_reset( if (whichfork == XFS_ATTR_FORK && (ip->i_d.di_format != XFS_DINODE_FMT_DEV) && (ip->i_d.di_format != XFS_DINODE_FMT_UUID) && + (ip->i_d.di_format != XFS_DINODE_FMT_BTREE) && ((mp->m_attroffset >> 3) > ip->i_d.di_forkoff)) { ip->i_d.di_forkoff = mp->m_attroffset >> 3; ip->i_df.if_ext_max = XFS_IFORK_DSIZE(ip) / -- cgit v0.10.2 From f74eaf59b36c0ad01f416b567f89c737bbf82bae Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:36:04 +1100 Subject: [XFS] Fix inode log item use-after-free on forced shutdown SGI-PV: 959388 SGI-Modid: xfs-linux-melb:xfs-kern:27805a Signed-off-by: David Chinner Signed-off-by: Lachlan McIlroy Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index cd51858..e42418f 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2707,10 +2707,24 @@ xfs_idestroy( ktrace_free(ip->i_dir_trace); #endif if (ip->i_itemp) { - /* XXXdpd should be able to assert this but shutdown - * is leaving the AIL behind. */ - ASSERT(((ip->i_itemp->ili_item.li_flags & XFS_LI_IN_AIL) == 0) || - XFS_FORCED_SHUTDOWN(ip->i_mount)); + /* + * Only if we are shutting down the fs will we see an + * inode still in the AIL. If it is there, we should remove + * it to prevent a use-after-free from occurring. + */ + xfs_mount_t *mp = ip->i_mount; + xfs_log_item_t *lip = &ip->i_itemp->ili_item; + int s; + + ASSERT(((lip->li_flags & XFS_LI_IN_AIL) == 0) || + XFS_FORCED_SHUTDOWN(ip->i_mount)); + if (lip->li_flags & XFS_LI_IN_AIL) { + AIL_LOCK(mp, s); + if (lip->li_flags & XFS_LI_IN_AIL) + xfs_trans_delete_ail(mp, lip, s); + else + AIL_UNLOCK(mp, s); + } xfs_inode_item_destroy(ip); } kmem_zone_free(xfs_inode_zone, ip); -- cgit v0.10.2 From 20f4ebf2bf2f57c1a9abb3655391336cc90314b3 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:36:10 +1100 Subject: [XFS] Make growfs work for amounts greater than 2TB The free block modification code has a 32bit interface, limiting the size the filesystem can be grown even on 64 bit machines. On 32 bit machines, there are other 32bit variables in transaction structures and interfaces that need to be expanded to allow this to work. SGI-PV: 959978 SGI-Modid: xfs-linux-melb:xfs-kern:27894a Signed-off-by: David Chinner Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 024d845..fa459a1 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -684,7 +684,7 @@ xfs_bmap_add_extent( ASSERT(nblks <= da_old); if (nblks < da_old) xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, - (int)(da_old - nblks), rsvd); + (int64_t)(da_old - nblks), rsvd); } /* * Clear out the allocated field, done with it now in any case. @@ -1209,7 +1209,7 @@ xfs_bmap_add_extent_delay_real( diff = (int)(temp + temp2 - STARTBLOCKVAL(PREV.br_startblock) - (cur ? cur->bc_private.b.allocated : 0)); if (diff > 0 && - xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, -diff, rsvd)) { + xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) { /* * Ick gross gag me with a spoon. */ @@ -1220,7 +1220,7 @@ xfs_bmap_add_extent_delay_real( diff--; if (!diff || !xfs_mod_incore_sb(ip->i_mount, - XFS_SBS_FDBLOCKS, -diff, rsvd)) + XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) break; } if (temp2) { @@ -1228,7 +1228,7 @@ xfs_bmap_add_extent_delay_real( diff--; if (!diff || !xfs_mod_incore_sb(ip->i_mount, - XFS_SBS_FDBLOCKS, -diff, rsvd)) + XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) break; } } @@ -2015,7 +2015,7 @@ xfs_bmap_add_extent_hole_delay( if (oldlen != newlen) { ASSERT(oldlen > newlen); xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, - (int)(oldlen - newlen), rsvd); + (int64_t)(oldlen - newlen), rsvd); /* * Nothing to do for disk quota accounting here. */ @@ -3359,7 +3359,7 @@ xfs_bmap_del_extent( */ ASSERT(da_old >= da_new); if (da_old > da_new) - xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, (int)(da_old - da_new), + xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, (int64_t)(da_old - da_new), rsvd); if (delta) { /* DELTA: report the original extent. */ @@ -4930,28 +4930,28 @@ xfs_bmapi( if (rt) { error = xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, - -(extsz), (flags & + -((int64_t)extsz), (flags & XFS_BMAPI_RSVBLOCKS)); } else { error = xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, - -(alen), (flags & + -((int64_t)alen), (flags & XFS_BMAPI_RSVBLOCKS)); } if (!error) { error = xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, - -(indlen), (flags & + -((int64_t)indlen), (flags & XFS_BMAPI_RSVBLOCKS)); if (error && rt) xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, - extsz, (flags & + (int64_t)extsz, (flags & XFS_BMAPI_RSVBLOCKS)); else if (error) xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, - alen, (flags & + (int64_t)alen, (flags & XFS_BMAPI_RSVBLOCKS)); } @@ -5617,13 +5617,13 @@ xfs_bunmapi( rtexts = XFS_FSB_TO_B(mp, del.br_blockcount); do_div(rtexts, mp->m_sb.sb_rextsize); xfs_mod_incore_sb(mp, XFS_SBS_FREXTENTS, - (int)rtexts, rsvd); + (int64_t)rtexts, rsvd); (void)XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, NULL, ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_RTBLKS); } else { xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, - (int)del.br_blockcount, rsvd); + (int64_t)del.br_blockcount, rsvd); (void)XFS_TRANS_RESERVE_QUOTA_NBLKS(mp, NULL, ip, -((long)del.br_blockcount), 0, XFS_QMOPT_RES_REGBLKS); diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index cbe7293..0df07c1 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -52,11 +52,11 @@ STATIC void xfs_unmountfs_wait(xfs_mount_t *); #ifdef HAVE_PERCPU_SB STATIC void xfs_icsb_destroy_counters(xfs_mount_t *); -STATIC void xfs_icsb_balance_counter(xfs_mount_t *, xfs_sb_field_t, int, -int); +STATIC void xfs_icsb_balance_counter(xfs_mount_t *, xfs_sb_field_t, + int, int); STATIC void xfs_icsb_sync_counters(xfs_mount_t *); STATIC int xfs_icsb_modify_counters(xfs_mount_t *, xfs_sb_field_t, - int, int); + int64_t, int); STATIC int xfs_icsb_disable_counter(xfs_mount_t *, xfs_sb_field_t); #else @@ -1254,8 +1254,11 @@ xfs_mod_sb(xfs_trans_t *tp, __int64_t fields) * The SB_LOCK must be held when this routine is called. */ int -xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field, - int delta, int rsvd) +xfs_mod_incore_sb_unlocked( + xfs_mount_t *mp, + xfs_sb_field_t field, + int64_t delta, + int rsvd) { int scounter; /* short counter for 32 bit fields */ long long lcounter; /* long counter for 64 bit fields */ @@ -1287,7 +1290,6 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field, mp->m_sb.sb_ifree = lcounter; return 0; case XFS_SBS_FDBLOCKS: - lcounter = (long long) mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); res_used = (long long)(mp->m_resblks - mp->m_resblks_avail); @@ -1418,7 +1420,11 @@ xfs_mod_incore_sb_unlocked(xfs_mount_t *mp, xfs_sb_field_t field, * routine to do the work. */ int -xfs_mod_incore_sb(xfs_mount_t *mp, xfs_sb_field_t field, int delta, int rsvd) +xfs_mod_incore_sb( + xfs_mount_t *mp, + xfs_sb_field_t field, + int64_t delta, + int rsvd) { unsigned long s; int status; @@ -2092,7 +2098,7 @@ int xfs_icsb_modify_counters( xfs_mount_t *mp, xfs_sb_field_t field, - int delta, + int64_t delta, int rsvd) { xfs_icsb_cnts_t *icsbp; diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 9c33af8..9a8e715 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -586,10 +586,11 @@ xfs_icsb_unlock(xfs_mount_t *mp) /* * This structure is for use by the xfs_mod_incore_sb_batch() routine. + * xfs_growfs can specify a few fields which are more than int limit */ typedef struct xfs_mod_sb { xfs_sb_field_t msb_field; /* Field to modify, see below */ - int msb_delta; /* Change to make to specified field */ + int64_t msb_delta; /* Change to make to specified field */ } xfs_mod_sb_t; #define XFS_MOUNT_ILOCK(mp) mutex_lock(&((mp)->m_ilock)) @@ -607,9 +608,9 @@ extern int xfs_unmountfs(xfs_mount_t *, struct cred *); extern void xfs_unmountfs_close(xfs_mount_t *, struct cred *); extern int xfs_unmountfs_writesb(xfs_mount_t *); extern int xfs_unmount_flush(xfs_mount_t *, int); -extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int, int); +extern int xfs_mod_incore_sb(xfs_mount_t *, xfs_sb_field_t, int64_t, int); extern int xfs_mod_incore_sb_unlocked(xfs_mount_t *, xfs_sb_field_t, - int, int); + int64_t, int); extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *, uint, int); extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int); diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index ee2721e..301ff94 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -339,7 +339,7 @@ xfs_trans_reserve( */ if (blocks > 0) { error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FDBLOCKS, - -blocks, rsvd); + -((int64_t)blocks), rsvd); if (error != 0) { current_restore_flags_nested(&tp->t_pflags, PF_FSTRANS); return (XFS_ERROR(ENOSPC)); @@ -380,7 +380,7 @@ xfs_trans_reserve( */ if (rtextents > 0) { error = xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FREXTENTS, - -rtextents, rsvd); + -((int64_t)rtextents), rsvd); if (error) { error = XFS_ERROR(ENOSPC); goto undo_log; @@ -410,7 +410,7 @@ undo_log: undo_blocks: if (blocks > 0) { (void) xfs_mod_incore_sb(tp->t_mountp, XFS_SBS_FDBLOCKS, - blocks, rsvd); + (int64_t)blocks, rsvd); tp->t_blk_res = 0; } @@ -432,7 +432,7 @@ void xfs_trans_mod_sb( xfs_trans_t *tp, uint field, - long delta) + int64_t delta) { switch (field) { @@ -663,62 +663,62 @@ xfs_trans_unreserve_and_mod_sb( if (tp->t_flags & XFS_TRANS_SB_DIRTY) { if (tp->t_icount_delta != 0) { msbp->msb_field = XFS_SBS_ICOUNT; - msbp->msb_delta = (int)tp->t_icount_delta; + msbp->msb_delta = tp->t_icount_delta; msbp++; } if (tp->t_ifree_delta != 0) { msbp->msb_field = XFS_SBS_IFREE; - msbp->msb_delta = (int)tp->t_ifree_delta; + msbp->msb_delta = tp->t_ifree_delta; msbp++; } if (tp->t_fdblocks_delta != 0) { msbp->msb_field = XFS_SBS_FDBLOCKS; - msbp->msb_delta = (int)tp->t_fdblocks_delta; + msbp->msb_delta = tp->t_fdblocks_delta; msbp++; } if (tp->t_frextents_delta != 0) { msbp->msb_field = XFS_SBS_FREXTENTS; - msbp->msb_delta = (int)tp->t_frextents_delta; + msbp->msb_delta = tp->t_frextents_delta; msbp++; } if (tp->t_dblocks_delta != 0) { msbp->msb_field = XFS_SBS_DBLOCKS; - msbp->msb_delta = (int)tp->t_dblocks_delta; + msbp->msb_delta = tp->t_dblocks_delta; msbp++; } if (tp->t_agcount_delta != 0) { msbp->msb_field = XFS_SBS_AGCOUNT; - msbp->msb_delta = (int)tp->t_agcount_delta; + msbp->msb_delta = tp->t_agcount_delta; msbp++; } if (tp->t_imaxpct_delta != 0) { msbp->msb_field = XFS_SBS_IMAX_PCT; - msbp->msb_delta = (int)tp->t_imaxpct_delta; + msbp->msb_delta = tp->t_imaxpct_delta; msbp++; } if (tp->t_rextsize_delta != 0) { msbp->msb_field = XFS_SBS_REXTSIZE; - msbp->msb_delta = (int)tp->t_rextsize_delta; + msbp->msb_delta = tp->t_rextsize_delta; msbp++; } if (tp->t_rbmblocks_delta != 0) { msbp->msb_field = XFS_SBS_RBMBLOCKS; - msbp->msb_delta = (int)tp->t_rbmblocks_delta; + msbp->msb_delta = tp->t_rbmblocks_delta; msbp++; } if (tp->t_rblocks_delta != 0) { msbp->msb_field = XFS_SBS_RBLOCKS; - msbp->msb_delta = (int)tp->t_rblocks_delta; + msbp->msb_delta = tp->t_rblocks_delta; msbp++; } if (tp->t_rextents_delta != 0) { msbp->msb_field = XFS_SBS_REXTENTS; - msbp->msb_delta = (int)tp->t_rextents_delta; + msbp->msb_delta = tp->t_rextents_delta; msbp++; } if (tp->t_rextslog_delta != 0) { msbp->msb_field = XFS_SBS_REXTSLOG; - msbp->msb_delta = (int)tp->t_rextslog_delta; + msbp->msb_delta = tp->t_rextslog_delta; msbp++; } } diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 9c975c6..f1d7ab2 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -350,25 +350,25 @@ typedef struct xfs_trans { xfs_trans_callback_t t_callback; /* transaction callback */ void *t_callarg; /* callback arg */ unsigned int t_flags; /* misc flags */ - long t_icount_delta; /* superblock icount change */ - long t_ifree_delta; /* superblock ifree change */ - long t_fdblocks_delta; /* superblock fdblocks chg */ - long t_res_fdblocks_delta; /* on-disk only chg */ - long t_frextents_delta;/* superblock freextents chg*/ - long t_res_frextents_delta; /* on-disk only chg */ + int64_t t_icount_delta; /* superblock icount change */ + int64_t t_ifree_delta; /* superblock ifree change */ + int64_t t_fdblocks_delta; /* superblock fdblocks chg */ + int64_t t_res_fdblocks_delta; /* on-disk only chg */ + int64_t t_frextents_delta;/* superblock freextents chg*/ + int64_t t_res_frextents_delta; /* on-disk only chg */ #ifdef DEBUG - long t_ag_freeblks_delta; /* debugging counter */ - long t_ag_flist_delta; /* debugging counter */ - long t_ag_btree_delta; /* debugging counter */ + int64_t t_ag_freeblks_delta; /* debugging counter */ + int64_t t_ag_flist_delta; /* debugging counter */ + int64_t t_ag_btree_delta; /* debugging counter */ #endif - long t_dblocks_delta;/* superblock dblocks change */ - long t_agcount_delta;/* superblock agcount change */ - long t_imaxpct_delta;/* superblock imaxpct change */ - long t_rextsize_delta;/* superblock rextsize chg */ - long t_rbmblocks_delta;/* superblock rbmblocks chg */ - long t_rblocks_delta;/* superblock rblocks change */ - long t_rextents_delta;/* superblocks rextents chg */ - long t_rextslog_delta;/* superblocks rextslog chg */ + int64_t t_dblocks_delta;/* superblock dblocks change */ + int64_t t_agcount_delta;/* superblock agcount change */ + int64_t t_imaxpct_delta;/* superblock imaxpct change */ + int64_t t_rextsize_delta;/* superblock rextsize chg */ + int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */ + int64_t t_rblocks_delta;/* superblock rblocks change */ + int64_t t_rextents_delta;/* superblocks rextents chg */ + int64_t t_rextslog_delta;/* superblocks rextslog chg */ unsigned int t_items_free; /* log item descs free */ xfs_log_item_chunk_t t_items; /* first log item desc chunk */ xfs_trans_header_t t_header; /* header for in-log trans */ @@ -932,9 +932,9 @@ typedef struct xfs_trans { #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC) #ifdef DEBUG -#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (long)d) -#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (long)d) -#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (long)d) +#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d) +#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d) +#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d) #else #define xfs_trans_agblocks_delta(tp, d) #define xfs_trans_agflist_delta(tp, d) @@ -950,7 +950,7 @@ xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint); xfs_trans_t *xfs_trans_dup(xfs_trans_t *); int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint, uint, uint); -void xfs_trans_mod_sb(xfs_trans_t *, uint, long); +void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t, int, uint); int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *, -- cgit v0.10.2 From dbcabad19aa91dc9bc7176fd2853fa74f724cd2f Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:36:17 +1100 Subject: [XFS] Fix block reservation mechanism. The block reservation mechanism has been broken since the per-cpu superblock counters were introduced. Make the block reservation code work with the per-cpu counters by syncing the counters, snapshotting the amount of available space and then doing a modifcation of the counter state according to the result. Continue in a loop until we either have no space available or we reserve some space. SGI-PV: 956323 SGI-Modid: xfs-linux-melb:xfs-kern:27895a Signed-off-by: David Chinner Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index c064e72..bfde9e6 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -460,7 +460,7 @@ xfs_fs_counts( { unsigned long s; - xfs_icsb_sync_counters_lazy(mp); + xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT); s = XFS_SB_LOCK(mp); cnt->freedata = mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); cnt->freertx = mp->m_sb.sb_frextents; @@ -491,7 +491,7 @@ xfs_reserve_blocks( __uint64_t *inval, xfs_fsop_resblks_t *outval) { - __int64_t lcounter, delta; + __int64_t lcounter, delta, fdblks_delta; __uint64_t request; unsigned long s; @@ -504,17 +504,35 @@ xfs_reserve_blocks( } request = *inval; + + /* + * With per-cpu counters, this becomes an interesting + * problem. we needto work out if we are freeing or allocation + * blocks first, then we can do the modification as necessary. + * + * We do this under the XFS_SB_LOCK so that if we are near + * ENOSPC, we will hold out any changes while we work out + * what to do. This means that the amount of free space can + * change while we do this, so we need to retry if we end up + * trying to reserve more space than is available. + * + * We also use the xfs_mod_incore_sb() interface so that we + * don't have to care about whether per cpu counter are + * enabled, disabled or even compiled in.... + */ +retry: s = XFS_SB_LOCK(mp); + xfs_icsb_sync_counters_flags(mp, XFS_ICSB_SB_LOCKED); /* * If our previous reservation was larger than the current value, * then move any unused blocks back to the free pool. */ - + fdblks_delta = 0; if (mp->m_resblks > request) { lcounter = mp->m_resblks_avail - request; if (lcounter > 0) { /* release unused blocks */ - mp->m_sb.sb_fdblocks += lcounter; + fdblks_delta = lcounter; mp->m_resblks_avail -= lcounter; } mp->m_resblks = request; @@ -522,24 +540,50 @@ xfs_reserve_blocks( __int64_t free; free = mp->m_sb.sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp); + if (!free) + goto out; /* ENOSPC and fdblks_delta = 0 */ + delta = request - mp->m_resblks; lcounter = free - delta; if (lcounter < 0) { /* We can't satisfy the request, just get what we can */ mp->m_resblks += free; mp->m_resblks_avail += free; + fdblks_delta = -free; mp->m_sb.sb_fdblocks = XFS_ALLOC_SET_ASIDE(mp); } else { + fdblks_delta = -delta; mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp); mp->m_resblks = request; mp->m_resblks_avail += delta; } } - +out: outval->resblks = mp->m_resblks; outval->resblks_avail = mp->m_resblks_avail; XFS_SB_UNLOCK(mp, s); + + if (fdblks_delta) { + /* + * If we are putting blocks back here, m_resblks_avail is + * already at it's max so this will put it in the free pool. + * + * If we need space, we'll either succeed in getting it + * from the free block count or we'll get an enospc. If + * we get a ENOSPC, it means things changed while we were + * calculating fdblks_delta and so we should try again to + * see if there is anything left to reserve. + * + * Don't set the reserved flag here - we don't want to reserve + * the extra reserve blocks from the reserve..... + */ + int error; + error = xfs_mod_incore_sb(mp, XFS_SBS_FDBLOCKS, fdblks_delta, 0); + if (error == ENOSPC) + goto retry; + } + return 0; } diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 0df07c1..30a5781 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1979,8 +1979,8 @@ xfs_icsb_enable_counter( xfs_icsb_unlock_all_counters(mp); } -STATIC void -xfs_icsb_sync_counters_int( +void +xfs_icsb_sync_counters_flags( xfs_mount_t *mp, int flags) { @@ -2012,17 +2012,7 @@ STATIC void xfs_icsb_sync_counters( xfs_mount_t *mp) { - xfs_icsb_sync_counters_int(mp, 0); -} - -/* - * lazy addition used for things like df, background sb syncs, etc - */ -void -xfs_icsb_sync_counters_lazy( - xfs_mount_t *mp) -{ - xfs_icsb_sync_counters_int(mp, XFS_ICSB_LAZY_COUNT); + xfs_icsb_sync_counters_flags(mp, 0); } /* diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 9a8e715..b65dae6 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -307,7 +307,7 @@ typedef struct xfs_icsb_cnts { #define XFS_ICSB_LAZY_COUNT (1 << 1) /* accuracy not needed */ extern int xfs_icsb_init_counters(struct xfs_mount *); -extern void xfs_icsb_sync_counters_lazy(struct xfs_mount *); +extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int); #else #define xfs_icsb_init_counters(mp) (0) diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index aec4e8d..f5ea74b 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -806,7 +806,7 @@ xfs_statvfs( statp->f_type = XFS_SB_MAGIC; - xfs_icsb_sync_counters_lazy(mp); + xfs_icsb_sync_counters_flags(mp, XFS_ICSB_LAZY_COUNT); s = XFS_SB_LOCK(mp); statp->f_bsize = sbp->sb_blocksize; lsize = sbp->sb_logstart ? sbp->sb_logblocks : 0; -- cgit v0.10.2 From c97be736051dacefb00643095d76fd5b70dfef7b Mon Sep 17 00:00:00 2001 From: Kevin Jamieson Date: Sat, 10 Feb 2007 18:36:23 +1100 Subject: [XFS] Fix block reservation changes for non-SMP systems. SGI-PV: 956323 SGI-Modid: xfs-linux-melb:xfs-kern:27940a Signed-off-by: Kevin Jamieson Signed-off-by: David Chatterton Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index b65dae6..eb94b97 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -311,7 +311,7 @@ extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int); #else #define xfs_icsb_init_counters(mp) (0) -#define xfs_icsb_sync_counters_lazy(mp) do { } while (0) +#define xfs_icsb_sync_counters_flags(mp, flags) do { } while (0) #endif typedef struct xfs_mount { -- cgit v0.10.2 From 5478eead8528f6cb5ebe3015fb88b68b175e1093 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:36:29 +1100 Subject: [XFS] Re-initialize the per-cpu superblock counters after recovery. After filesystem recovery the superblock is re-read to bring in any changes. If the per-cpu superblock counters are not re-initialized from the superblock then the next time the per-cpu counters are disabled they might overwrite the global counter with a bogus value. SGI-PV: 957348 SGI-Modid: xfs-linux-melb:xfs-kern:27999a Signed-off-by: Lachlan McIlroy Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 61a29e1..ca74d3f 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3848,6 +3848,9 @@ xlog_do_recover( ASSERT(XFS_SB_GOOD_VERSION(sbp)); xfs_buf_relse(bp); + /* We've re-read the superblock so re-initialize per-cpu counters */ + xfs_icsb_reinit_counters(log->l_mp); + xlog_recover_check_summary(log); /* Normal transactions can now occur */ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 30a5781..3bed0cf 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -543,11 +543,8 @@ xfs_readsb(xfs_mount_t *mp, int flags) ASSERT(XFS_BUF_VALUSEMA(bp) <= 0); } - xfs_icsb_lock(mp); - xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); - xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); - xfs_icsb_unlock(mp); + /* Initialize per-cpu counters */ + xfs_icsb_reinit_counters(mp); mp->m_sb_bp = bp; xfs_buf_relse(bp); @@ -1811,6 +1808,22 @@ xfs_icsb_init_counters( return 0; } +void +xfs_icsb_reinit_counters( + xfs_mount_t *mp) +{ + xfs_icsb_lock(mp); + /* + * start with all counters disabled so that the + * initial balance kicks us off correctly + */ + mp->m_icsb_counters = -1; + xfs_icsb_balance_counter(mp, XFS_SBS_ICOUNT, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_IFREE, 0, 0); + xfs_icsb_balance_counter(mp, XFS_SBS_FDBLOCKS, 0, 0); + xfs_icsb_unlock(mp); +} + STATIC void xfs_icsb_destroy_counters( xfs_mount_t *mp) diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index eb94b97..82304b9 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -307,10 +307,12 @@ typedef struct xfs_icsb_cnts { #define XFS_ICSB_LAZY_COUNT (1 << 1) /* accuracy not needed */ extern int xfs_icsb_init_counters(struct xfs_mount *); +extern void xfs_icsb_reinit_counters(struct xfs_mount *); extern void xfs_icsb_sync_counters_flags(struct xfs_mount *, int); #else #define xfs_icsb_init_counters(mp) (0) +#define xfs_icsb_reinit_counters(mp) do { } while (0) #define xfs_icsb_sync_counters_flags(mp, flags) do { } while (0) #endif -- cgit v0.10.2 From 549054afadae44889c0b40d4c3bfb0207b98d5a0 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:36:35 +1100 Subject: [XFS] Fix sub-block zeroing for buffered writes into unwritten extents. When writing less than a filesystem block of data into an unwritten extent via buffered I/O, __xfs_get_blocks fails to set the buffer new flag. As a result, the generic code will not zero either edge of the block resulting in garbage being written to disk either side of the real data. Set the buffer new state on bufferd writes to unwritten extents to ensure that zeroing occurs. SGI-PV: 960328 SGI-Modid: xfs-linux-melb:xfs-kern:28000a Signed-off-by: David Chinner Signed-off-by: Lachlan McIlroy Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 9761a5b..f3cc4ab 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1283,13 +1283,18 @@ __xfs_get_blocks( bh_result->b_bdev = iomap.iomap_target->bt_bdev; /* - * If we previously allocated a block out beyond eof and we are - * now coming back to use it then we will need to flag it as new - * even if it has a disk address. + * If we previously allocated a block out beyond eof and we are now + * coming back to use it then we will need to flag it as new even if it + * has a disk address. + * + * With sub-block writes into unwritten extents we also need to mark + * the buffer as new so that the unwritten parts of the buffer gets + * correctly zeroed. */ if (create && ((!buffer_mapped(bh_result) && !buffer_uptodate(bh_result)) || - (offset >= i_size_read(inode)) || (iomap.iomap_flags & IOMAP_NEW))) + (offset >= i_size_read(inode)) || + (iomap.iomap_flags & (IOMAP_NEW|IOMAP_UNWRITTEN)))) set_buffer_new(bh_result); if (iomap.iomap_flags & IOMAP_DELAY) { -- cgit v0.10.2 From 2823945fda94e0636be573a037c45cb7b6495af2 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:36:40 +1100 Subject: [XFS] Ensure a frozen filesystem has a clean log before writing the dummy record. The current Linux XFS freeze code is a mess. We flush the metadata buffers out while we are still allowing new transactions to start and then fail to flush the dirty buffers back out before writing the unmount and dummy records to the log. This leads to problems when the frozen filesystem is used for snapshots - we do log recovery on a readonly image and often it appears that the log image in the snapshot is not correct. Hence we end up with hangs, oops and mount failures when trying to mount a snapshot image that has been created when the filesystem has not been correctly frozen. To fix this, we need to move th metadata flush to after we wait for all current transactions to complete in teh second stage of the freeze. This means that when we write the final log records, the log should be clean and recovery should never occur on a snapshot image created from a frozen filesystem. SGI-PV: 959267 SGI-Modid: xfs-linux-melb:xfs-kern:28010a Signed-off-by: David Chinner Signed-off-by: Donald Douwsma Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index dab5d38..003e5f2 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -659,9 +659,17 @@ xfs_fs_sync_super( int error; int flags; - if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) - flags = SYNC_QUIESCE; - else + if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) { + /* + * First stage of freeze - no more writers will make progress + * now we are here, so we flush delwri and delalloc buffers + * here, then wait for all I/O to complete. Data is frozen at + * that point. Metadata is not frozen, transactions can still + * occur here so don't bother flushing the buftarg (i.e + * SYNC_QUIESCE) because it'll just get dirty again. + */ + flags = SYNC_FSDATA | SYNC_DELWRI | SYNC_WAIT | SYNC_DIO_WAIT; + } else flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); error = bhv_vfs_sync(vfsp, flags, NULL); diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index da255bd..558823a 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -92,6 +92,7 @@ typedef enum { #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ #define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ +#define SYNC_DIO_WAIT 0x0200 /* wait for direct I/O to complete */ #define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */ #define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */ diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index f5ea74b..c2a6eab 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -872,6 +872,10 @@ xfs_statvfs( * this by simply making sure the log gets flushed * if SYNC_BDFLUSH is set, and by actually writing it * out otherwise. + * SYNC_DIO_WAIT - The caller wants us to wait for all direct I/Os + * as well to ensure all data I/O completes before we + * return. Forms the drain side of the write barrier needed + * to safely quiesce the filesystem. * */ /*ARGSUSED*/ @@ -883,10 +887,7 @@ xfs_sync( { xfs_mount_t *mp = XFS_BHVTOM(bdp); - if (unlikely(flags == SYNC_QUIESCE)) - return xfs_quiesce_fs(mp); - else - return xfs_syncsub(mp, flags, NULL); + return xfs_syncsub(mp, flags, NULL); } /* @@ -1172,6 +1173,12 @@ xfs_sync_inodes( } } + /* + * When freezing, we need to wait ensure direct I/O is complete + * as well to ensure all data modification is complete here + */ + if (flags & SYNC_DIO_WAIT) + vn_iowait(vp); if (flags & SYNC_BDFLUSH) { if ((flags & SYNC_ATTR) && @@ -1950,15 +1957,26 @@ xfs_showargs( return 0; } +/* + * Second stage of a freeze. The data is already frozen, now we have to take + * care of the metadata. New transactions are already blocked, so we need to + * wait for any remaining transactions to drain out before proceding. + */ STATIC void xfs_freeze( bhv_desc_t *bdp) { xfs_mount_t *mp = XFS_BHVTOM(bdp); + /* wait for all modifications to complete */ while (atomic_read(&mp->m_active_trans) > 0) delay(100); + /* flush inodes and push all remaining buffers out to disk */ + xfs_quiesce_fs(mp); + + BUG_ON(atomic_read(&mp->m_active_trans) > 0); + /* Push the superblock and write an unmount record */ xfs_log_unmount_write(mp); xfs_unmountfs_writesb(mp); -- cgit v0.10.2 From 681601613759accffd8e8ddbc6f942eba7ecbfe5 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:36:47 +1100 Subject: [XFS] Fix callers of xfs_iozero() to zero the correct range. The problem is the two callers of xfs_iozero() are rounding out the range to be zeroed to the end of a fsb and in some cases this extends past the new eof. The call to commit_write() in xfs_iozero() will cause the Linux inode's file size to be set too high. SGI-PV: 960788 SGI-Modid: xfs-linux-melb:xfs-kern:28013a Signed-off-by: Lachlan McIlroy Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 65e79b4..50ba479 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -134,8 +134,7 @@ STATIC int xfs_iozero( struct inode *ip, /* inode */ loff_t pos, /* offset in file */ - size_t count, /* size of data to zero */ - loff_t end_size) /* max file size to set */ + size_t count) /* size of data to zero */ { unsigned bytes; struct page *page; @@ -172,8 +171,6 @@ xfs_iozero( if (!status) { pos += bytes; count -= bytes; - if (pos > i_size_read(ip)) - i_size_write(ip, pos < end_size ? pos : end_size); } unlock: @@ -449,8 +446,8 @@ STATIC int /* error (positive) */ xfs_zero_last_block( struct inode *ip, xfs_iocore_t *io, - xfs_fsize_t isize, - xfs_fsize_t end_size) + xfs_fsize_t offset, + xfs_fsize_t isize) { xfs_fileoff_t last_fsb; xfs_mount_t *mp = io->io_mount; @@ -459,7 +456,6 @@ xfs_zero_last_block( int zero_len; int error = 0; xfs_bmbt_irec_t imap; - loff_t loff; ASSERT(ismrlocked(io->io_lock, MR_UPDATE) != 0); @@ -494,9 +490,10 @@ xfs_zero_last_block( */ XFS_IUNLOCK(mp, io, XFS_ILOCK_EXCL| XFS_EXTSIZE_RD); - loff = XFS_FSB_TO_B(mp, last_fsb); zero_len = mp->m_sb.sb_blocksize - zero_offset; - error = xfs_iozero(ip, loff + zero_offset, zero_len, end_size); + if (isize + zero_len > offset) + zero_len = offset - isize; + error = xfs_iozero(ip, isize, zero_len); XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); ASSERT(error >= 0); @@ -519,14 +516,15 @@ xfs_zero_eof( bhv_vnode_t *vp, xfs_iocore_t *io, xfs_off_t offset, /* starting I/O offset */ - xfs_fsize_t isize, /* current inode size */ - xfs_fsize_t end_size) /* terminal inode size */ + xfs_fsize_t isize) /* current inode size */ { struct inode *ip = vn_to_inode(vp); xfs_fileoff_t start_zero_fsb; xfs_fileoff_t end_zero_fsb; xfs_fileoff_t zero_count_fsb; xfs_fileoff_t last_fsb; + xfs_fileoff_t zero_off; + xfs_fsize_t zero_len; xfs_mount_t *mp = io->io_mount; int nimaps; int error = 0; @@ -540,7 +538,7 @@ xfs_zero_eof( * First handle zeroing the block on which isize resides. * We only zero a part of that block so it is handled specially. */ - error = xfs_zero_last_block(ip, io, isize, end_size); + error = xfs_zero_last_block(ip, io, offset, isize); if (error) { ASSERT(ismrlocked(io->io_lock, MR_UPDATE)); ASSERT(ismrlocked(io->io_iolock, MR_UPDATE)); @@ -601,10 +599,13 @@ xfs_zero_eof( */ XFS_IUNLOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD); - error = xfs_iozero(ip, - XFS_FSB_TO_B(mp, start_zero_fsb), - XFS_FSB_TO_B(mp, imap.br_blockcount), - end_size); + zero_off = XFS_FSB_TO_B(mp, start_zero_fsb); + zero_len = XFS_FSB_TO_B(mp, imap.br_blockcount); + + if ((zero_off + zero_len) > offset) + zero_len = offset - zero_off; + + error = xfs_iozero(ip, zero_off, zero_len); if (error) { goto out_lock; } @@ -783,8 +784,7 @@ start: */ if (pos > isize) { - error = xfs_zero_eof(BHV_TO_VNODE(bdp), io, pos, - isize, pos + count); + error = xfs_zero_eof(BHV_TO_VNODE(bdp), io, pos, isize); if (error) { xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock); goto out_unlock_mutex; diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h index c77e62e..7ac51b1 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.h +++ b/fs/xfs/linux-2.6/xfs_lrw.h @@ -83,7 +83,7 @@ extern int xfs_bdstrat_cb(struct xfs_buf *); extern int xfs_dev_is_read_only(struct xfs_mount *, char *); extern int xfs_zero_eof(struct bhv_vnode *, struct xfs_iocore *, xfs_off_t, - xfs_fsize_t, xfs_fsize_t); + xfs_fsize_t); extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *, const struct iovec *, unsigned int, loff_t *, int, struct cred *); diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index e42418f..295577d 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1810,7 +1810,7 @@ xfs_igrow_start( * and any blocks between the old and new file sizes. */ error = xfs_zero_eof(XFS_ITOV(ip), &ip->i_iocore, new_size, - ip->i_d.di_size, new_size); + ip->i_d.di_size); return error; } -- cgit v0.10.2 From c167b77d5e172a2deb058be442ca652ad3a417f9 Mon Sep 17 00:00:00 2001 From: Lachlan McIlroy Date: Sat, 10 Feb 2007 18:36:53 +1100 Subject: [XFS] Fix assertion in xfs_attr_shortform_remove(). SGI-PV: 960791 SGI-Modid: xfs-linux-melb:xfs-kern:28021a Signed-off-by: Lachlan McIlroy Signed-off-by: Barry Naujok Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index e466413..8eab73e 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -392,7 +392,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) dp->i_d.di_forkoff = xfs_attr_shortform_bytesfit(dp, totsize); ASSERT(dp->i_d.di_forkoff); ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) || args->addname || - !(mp->m_flags & XFS_MOUNT_ATTR2)); + !(mp->m_flags & XFS_MOUNT_ATTR2) || + dp->i_d.di_format == XFS_DINODE_FMT_BTREE); dp->i_afp->if_ext_max = XFS_IFORK_ASIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t); dp->i_df.if_ext_max = -- cgit v0.10.2 From 3a68cbfe0277fb73d5f0c2a433884745fb500c38 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Sat, 10 Feb 2007 18:36:59 +1100 Subject: [XFS] XFS sysctl cleanups Removes unneeded sysctl insert at head behaviour. Cleans up sysctl definitions to use C99 initialisers. Patch provided by Eric W. Biederman. SGI-PV: 960192 SGI-Modid: xfs-linux-melb:xfs-kern:28031a Signed-off-by: Eric W. Biederman Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c index b1036dd..5c46c35 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.c +++ b/fs/xfs/linux-2.6/xfs_sysctl.c @@ -55,101 +55,203 @@ xfs_stats_clear_proc_handler( #endif /* CONFIG_PROC_FS */ static ctl_table xfs_table[] = { - {XFS_RESTRICT_CHOWN, "restrict_chown", &xfs_params.restrict_chown.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.restrict_chown.min, &xfs_params.restrict_chown.max}, - - {XFS_SGID_INHERIT, "irix_sgid_inherit", &xfs_params.sgid_inherit.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.sgid_inherit.min, &xfs_params.sgid_inherit.max}, - - {XFS_SYMLINK_MODE, "irix_symlink_mode", &xfs_params.symlink_mode.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.symlink_mode.min, &xfs_params.symlink_mode.max}, - - {XFS_PANIC_MASK, "panic_mask", &xfs_params.panic_mask.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.panic_mask.min, &xfs_params.panic_mask.max}, - - {XFS_ERRLEVEL, "error_level", &xfs_params.error_level.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.error_level.min, &xfs_params.error_level.max}, - - {XFS_SYNCD_TIMER, "xfssyncd_centisecs", &xfs_params.syncd_timer.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.syncd_timer.min, &xfs_params.syncd_timer.max}, - - {XFS_INHERIT_SYNC, "inherit_sync", &xfs_params.inherit_sync.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.inherit_sync.min, &xfs_params.inherit_sync.max}, - - {XFS_INHERIT_NODUMP, "inherit_nodump", &xfs_params.inherit_nodump.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.inherit_nodump.min, &xfs_params.inherit_nodump.max}, - - {XFS_INHERIT_NOATIME, "inherit_noatime", &xfs_params.inherit_noatim.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.inherit_noatim.min, &xfs_params.inherit_noatim.max}, - - {XFS_BUF_TIMER, "xfsbufd_centisecs", &xfs_params.xfs_buf_timer.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.xfs_buf_timer.min, &xfs_params.xfs_buf_timer.max}, - - {XFS_BUF_AGE, "age_buffer_centisecs", &xfs_params.xfs_buf_age.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.xfs_buf_age.min, &xfs_params.xfs_buf_age.max}, - - {XFS_INHERIT_NOSYM, "inherit_nosymlinks", &xfs_params.inherit_nosym.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.inherit_nosym.min, &xfs_params.inherit_nosym.max}, - - {XFS_ROTORSTEP, "rotorstep", &xfs_params.rotorstep.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.rotorstep.min, &xfs_params.rotorstep.max}, - - {XFS_INHERIT_NODFRG, "inherit_nodefrag", &xfs_params.inherit_nodfrg.val, - sizeof(int), 0644, NULL, &proc_dointvec_minmax, - &sysctl_intvec, NULL, - &xfs_params.inherit_nodfrg.min, &xfs_params.inherit_nodfrg.max}, + { + .ctl_name = XFS_RESTRICT_CHOWN, + .procname = "restrict_chown", + .data = &xfs_params.restrict_chown.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.restrict_chown.min, + .extra2 = &xfs_params.restrict_chown.max + }, + { + .ctl_name = XFS_SGID_INHERIT, + .procname = "irix_sgid_inherit", + .data = &xfs_params.sgid_inherit.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.sgid_inherit.min, + .extra2 = &xfs_params.sgid_inherit.max + }, + { + .ctl_name = XFS_SYMLINK_MODE, + .procname = "irix_symlink_mode", + .data = &xfs_params.symlink_mode.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.symlink_mode.min, + .extra2 = &xfs_params.symlink_mode.max + }, + { + .ctl_name = XFS_PANIC_MASK, + .procname = "panic_mask", + .data = &xfs_params.panic_mask.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.panic_mask.min, + .extra2 = &xfs_params.panic_mask.max + }, + { + .ctl_name = XFS_ERRLEVEL, + .procname = "error_level", + .data = &xfs_params.error_level.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.error_level.min, + .extra2 = &xfs_params.error_level.max + }, + { + .ctl_name = XFS_SYNCD_TIMER, + .procname = "xfssyncd_centisecs", + .data = &xfs_params.syncd_timer.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.syncd_timer.min, + .extra2 = &xfs_params.syncd_timer.max + }, + { + .ctl_name = XFS_INHERIT_SYNC, + .procname = "inherit_sync", + .data = &xfs_params.inherit_sync.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.inherit_sync.min, + .extra2 = &xfs_params.inherit_sync.max + }, + { + .ctl_name = XFS_INHERIT_NODUMP, + .procname = "inherit_nodump", + .data = &xfs_params.inherit_nodump.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.inherit_nodump.min, + .extra2 = &xfs_params.inherit_nodump.max + }, + { + .ctl_name = XFS_INHERIT_NOATIME, + .procname = "inherit_noatime", + .data = &xfs_params.inherit_noatim.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.inherit_noatim.min, + .extra2 = &xfs_params.inherit_noatim.max + }, + { + .ctl_name = XFS_BUF_TIMER, + .procname = "xfsbufd_centisecs", + .data = &xfs_params.xfs_buf_timer.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.xfs_buf_timer.min, + .extra2 = &xfs_params.xfs_buf_timer.max + }, + { + .ctl_name = XFS_BUF_AGE, + .procname = "age_buffer_centisecs", + .data = &xfs_params.xfs_buf_age.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.xfs_buf_age.min, + .extra2 = &xfs_params.xfs_buf_age.max + }, + { + .ctl_name = XFS_INHERIT_NOSYM, + .procname = "inherit_nosymlinks", + .data = &xfs_params.inherit_nosym.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.inherit_nosym.min, + .extra2 = &xfs_params.inherit_nosym.max + }, + { + .ctl_name = XFS_ROTORSTEP, + .procname = "rotorstep", + .data = &xfs_params.rotorstep.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.rotorstep.min, + .extra2 = &xfs_params.rotorstep.max + }, + { + .ctl_name = XFS_INHERIT_NODFRG, + .procname = "inherit_nodefrag", + .data = &xfs_params.inherit_nodfrg.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.inherit_nodfrg.min, + .extra2 = &xfs_params.inherit_nodfrg.max + }, /* please keep this the last entry */ #ifdef CONFIG_PROC_FS - {XFS_STATS_CLEAR, "stats_clear", &xfs_params.stats_clear.val, - sizeof(int), 0644, NULL, &xfs_stats_clear_proc_handler, - &sysctl_intvec, NULL, - &xfs_params.stats_clear.min, &xfs_params.stats_clear.max}, + { + .ctl_name = XFS_STATS_CLEAR, + .procname = "stats_clear", + .data = &xfs_params.stats_clear.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &xfs_stats_clear_proc_handler, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.stats_clear.min, + .extra2 = &xfs_params.stats_clear.max + }, #endif /* CONFIG_PROC_FS */ - {0} + {} }; static ctl_table xfs_dir_table[] = { - {FS_XFS, "xfs", NULL, 0, 0555, xfs_table}, - {0} + { + .ctl_name = FS_XFS, + .procname = "xfs", + .mode = 0555, + .child = xfs_table + }, + {} }; static ctl_table xfs_root_table[] = { - {CTL_FS, "fs", NULL, 0, 0555, xfs_dir_table}, - {0} + { + .ctl_name = CTL_FS, + .procname = "fs", + .mode = 0555, + .child = xfs_dir_table + }, + {} }; void xfs_sysctl_register(void) { - xfs_table_header = register_sysctl_table(xfs_root_table, 1); + xfs_table_header = register_sysctl_table(xfs_root_table, 0); } void -- cgit v0.10.2 From 4cf3b52080b3d354b10b8b1c9147bf88118b8eef Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Sat, 10 Feb 2007 18:37:04 +1100 Subject: [XFS] Remove useless memory barrier wake_up's implementation does an implicit memory barrier so the explicit memory barrier is not needed in vfs_sync_worker. Patch provided by Ralf Baechle. SGI-PV: 960867 SGI-Modid: xfs-linux-melb:xfs-kern:28032a Signed-off-by: Ralf Baechle Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 003e5f2..f3ad516 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -553,7 +553,6 @@ vfs_sync_worker( error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \ SYNC_ATTR | SYNC_REFCACHE, NULL); vfsp->vfs_sync_seq++; - wmb(); wake_up(&vfsp->vfs_wait_single_sync_task); } -- cgit v0.10.2 From 39058a0e12a8b2dcb8f9345ecad52dbcfc120ef7 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Sat, 10 Feb 2007 18:37:10 +1100 Subject: [XFS] Clean up use of VFS attr flags Use the the generic VFS attr flags where appropriate instead of open coding them to the same values. Patch provided by Eric Sandeen. SGI-PV: 960868 SGI-Modid: xfs-linux-melb:xfs-kern:28033a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 59b5c9b..e9d920d 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -1090,11 +1090,6 @@ xfs_ioc_fsgeometry( /* * Linux extended inode flags interface. */ -#define LINUX_XFLAG_SYNC 0x00000008 /* Synchronous updates */ -#define LINUX_XFLAG_IMMUTABLE 0x00000010 /* Immutable file */ -#define LINUX_XFLAG_APPEND 0x00000020 /* writes to file may only append */ -#define LINUX_XFLAG_NODUMP 0x00000040 /* do not dump file */ -#define LINUX_XFLAG_NOATIME 0x00000080 /* do not update atime */ STATIC unsigned int xfs_merge_ioc_xflags( @@ -1103,23 +1098,23 @@ xfs_merge_ioc_xflags( { unsigned int xflags = start; - if (flags & LINUX_XFLAG_IMMUTABLE) + if (flags & FS_IMMUTABLE_FL) xflags |= XFS_XFLAG_IMMUTABLE; else xflags &= ~XFS_XFLAG_IMMUTABLE; - if (flags & LINUX_XFLAG_APPEND) + if (flags & FS_APPEND_FL) xflags |= XFS_XFLAG_APPEND; else xflags &= ~XFS_XFLAG_APPEND; - if (flags & LINUX_XFLAG_SYNC) + if (flags & FS_SYNC_FL) xflags |= XFS_XFLAG_SYNC; else xflags &= ~XFS_XFLAG_SYNC; - if (flags & LINUX_XFLAG_NOATIME) + if (flags & FS_NOATIME_FL) xflags |= XFS_XFLAG_NOATIME; else xflags &= ~XFS_XFLAG_NOATIME; - if (flags & LINUX_XFLAG_NODUMP) + if (flags & FS_NODUMP_FL) xflags |= XFS_XFLAG_NODUMP; else xflags &= ~XFS_XFLAG_NODUMP; @@ -1134,15 +1129,15 @@ xfs_di2lxflags( unsigned int flags = 0; if (di_flags & XFS_DIFLAG_IMMUTABLE) - flags |= LINUX_XFLAG_IMMUTABLE; + flags |= FS_IMMUTABLE_FL; if (di_flags & XFS_DIFLAG_APPEND) - flags |= LINUX_XFLAG_APPEND; + flags |= FS_APPEND_FL; if (di_flags & XFS_DIFLAG_SYNC) - flags |= LINUX_XFLAG_SYNC; + flags |= FS_SYNC_FL; if (di_flags & XFS_DIFLAG_NOATIME) - flags |= LINUX_XFLAG_NOATIME; + flags |= FS_NOATIME_FL; if (di_flags & XFS_DIFLAG_NODUMP) - flags |= LINUX_XFLAG_NODUMP; + flags |= FS_NODUMP_FL; return flags; } @@ -1242,9 +1237,9 @@ xfs_ioc_xattr( break; } - if (flags & ~(LINUX_XFLAG_IMMUTABLE | LINUX_XFLAG_APPEND | \ - LINUX_XFLAG_NOATIME | LINUX_XFLAG_NODUMP | \ - LINUX_XFLAG_SYNC)) { + if (flags & ~(FS_IMMUTABLE_FL | FS_APPEND_FL | \ + FS_NOATIME_FL | FS_NODUMP_FL | \ + FS_SYNC_FL)) { error = -EOPNOTSUPP; break; } -- cgit v0.10.2 From f7c99b6fc7b3791cd24e0763cd4967d744c164a3 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Sat, 10 Feb 2007 18:37:16 +1100 Subject: [XFS] Remove unused argument to xfs_bmap_finish The firstblock argument to xfs_bmap_finish is not used by that function. Remove it and cleanup the code a bit. Patch provided by Eric Sandeen. SGI-PV: 960196 SGI-Modid: xfs-linux-melb:xfs-kern:28034a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index 3aa7715..c76358b 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -484,7 +484,7 @@ xfs_qm_dqalloc( xfs_trans_bhold(tp, bp); - if ((error = xfs_bmap_finish(tpp, &flist, firstblock, &committed))) { + if ((error = xfs_bmap_finish(tpp, &flist, &committed))) { goto error1; } diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index a5cb097..9d358ff 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -349,7 +349,7 @@ xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen, error = xfs_attr_shortform_to_leaf(&args); if (!error) { error = xfs_bmap_finish(&args.trans, args.flist, - *args.firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -976,7 +976,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) error = xfs_attr_leaf_to_node(args); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -1077,7 +1077,6 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); } if (error) { @@ -1155,7 +1154,7 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) /* bp is gone due to xfs_da_shrink_inode */ if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -1310,7 +1309,6 @@ restart: if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); } if (error) { @@ -1350,7 +1348,7 @@ restart: error = xfs_da_split(state); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -1462,7 +1460,6 @@ restart: if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); } if (error) { @@ -1597,7 +1594,7 @@ xfs_attr_node_removename(xfs_da_args_t *args) error = xfs_da_join(state); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -1649,7 +1646,6 @@ xfs_attr_node_removename(xfs_da_args_t *args) if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); } if (error) { @@ -2093,7 +2089,7 @@ xfs_attr_rmtval_set(xfs_da_args_t *args) args->flist, NULL); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); @@ -2249,7 +2245,7 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args) NULL, &done); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, - *args->firstblock, &committed); + &committed); } if (error) { ASSERT(committed); diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index fa459a1..20b6922 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -4080,7 +4080,7 @@ xfs_bmap_add_attrfork( } else XFS_SB_UNLOCK(mp, s); } - if ((error = xfs_bmap_finish(&tp, &flist, firstblock, &committed))) + if ((error = xfs_bmap_finish(&tp, &flist, &committed))) goto error2; error = xfs_trans_commit(tp, XFS_TRANS_PERM_LOG_RES, NULL); ASSERT(ip->i_df.if_ext_max == @@ -4213,7 +4213,6 @@ int /* error */ xfs_bmap_finish( xfs_trans_t **tp, /* transaction pointer addr */ xfs_bmap_free_t *flist, /* i/o: list extents to free */ - xfs_fsblock_t firstblock, /* controlled ag for allocs */ int *committed) /* xact committed or not */ { xfs_efd_log_item_t *efd; /* extent free data */ diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 80e9340..4f24c7e 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -202,7 +202,6 @@ int /* error */ xfs_bmap_finish( struct xfs_trans **tp, /* transaction pointer addr */ xfs_bmap_free_t *flist, /* i/o: list extents to free */ - xfs_fsblock_t firstblock, /* controlled a.g. for allocs */ int *committed); /* xact committed or not */ /* diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 295577d..7efcf25 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1699,8 +1699,7 @@ xfs_itruncate_finish( * Duplicate the transaction that has the permanent * reservation and commit the old transaction. */ - error = xfs_bmap_finish(tp, &free_list, first_block, - &committed); + error = xfs_bmap_finish(tp, &free_list, &committed); ntp = *tp; if (error) { /* diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 1965512..2069e2c 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -542,7 +542,7 @@ xfs_iomap_write_direct( /* * Complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) goto error0; error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL); @@ -838,8 +838,7 @@ xfs_iomap_write_allocate( if (error) goto trans_cancel; - error = xfs_bmap_finish(&tp, &free_list, - first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) goto trans_cancel; @@ -947,8 +946,7 @@ xfs_iomap_write_unwritten( if (error) goto error_on_bmapi_transaction; - error = xfs_bmap_finish(&(tp), &(free_list), - firstfsb, &committed); + error = xfs_bmap_finish(&(tp), &(free_list), &committed); if (error) goto error_on_bmapi_transaction; diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index d98171d..4c6573d 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -565,7 +565,7 @@ xfs_rename( IHOLD(target_ip); IHOLD(src_ip); - error = xfs_bmap_finish(&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { xfs_bmap_cancel(&free_list); xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES | diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 880c732..dcf57dc 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -147,7 +147,7 @@ xfs_growfs_rt_alloc( /* * Free any blocks freed up in the transaction, then commit. */ - error = xfs_bmap_finish(&tp, &flist, firstblock, &committed); + error = xfs_bmap_finish(&tp, &flist, &committed); if (error) goto error_exit; xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index bda774a..718e18c 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1381,7 +1381,7 @@ xfs_inactive_symlink_rmt( /* * Commit the first transaction. This logs the EFI and the inode. */ - if ((error = xfs_bmap_finish(&tp, &free_list, first_block, &committed))) + if ((error = xfs_bmap_finish(&tp, &free_list, &committed))) goto error1; /* * The transaction must have been committed, since there were @@ -1790,8 +1790,7 @@ xfs_inactive( * Just ignore errors at this point. There is * nothing we can do except to try to keep going. */ - (void) xfs_bmap_finish(&tp, &free_list, first_block, - &committed); + (void) xfs_bmap_finish(&tp, &free_list, &committed); (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL); } /* @@ -2022,7 +2021,7 @@ xfs_create( IHOLD(ip); vp = XFS_ITOV(ip); - error = xfs_bmap_finish(&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { xfs_bmap_cancel(&free_list); goto abort_rele; @@ -2507,7 +2506,7 @@ xfs_remove( xfs_trans_set_sync(tp); } - error = xfs_bmap_finish(&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { REMOVE_DEBUG_TRACE(__LINE__); goto error_rele; @@ -2715,7 +2714,7 @@ xfs_link( xfs_trans_set_sync(tp); } - error = xfs_bmap_finish (&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish (&tp, &free_list, &committed); if (error) { xfs_bmap_cancel(&free_list); goto abort_return; @@ -2932,7 +2931,7 @@ xfs_mkdir( xfs_trans_set_sync(tp); } - error = xfs_bmap_finish(&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { IRELE(cdp); goto error2; @@ -3183,7 +3182,7 @@ xfs_rmdir( xfs_trans_set_sync(tp); } - error = xfs_bmap_finish (&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish (&tp, &free_list, &committed); if (error) { xfs_bmap_cancel(&free_list); xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES | @@ -3533,7 +3532,7 @@ xfs_symlink( */ IHOLD(ip); - error = xfs_bmap_finish(&tp, &free_list, first_block, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { goto error2; } @@ -4145,7 +4144,7 @@ retry: /* * Complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { goto error0; } @@ -4452,7 +4451,7 @@ xfs_free_file_space( /* * complete the transaction */ - error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed); + error = xfs_bmap_finish(&tp, &free_list, &committed); if (error) { goto error0; } -- cgit v0.10.2 From 3c0dc77b42cee99c71e913765073888620d442fa Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:37:22 +1100 Subject: [XFS] Make freeze code a little cleaner. Fixes a few small issues (mostly cosmetic) that were picked up during the review cycle for the last set of freeze path changes. SGI-PV: 959267 SGI-Modid: xfs-linux-melb:xfs-kern:28035a Signed-off-by: David Chinner Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index f3ad516..2a94859 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -667,7 +667,7 @@ xfs_fs_sync_super( * occur here so don't bother flushing the buftarg (i.e * SYNC_QUIESCE) because it'll just get dirty again. */ - flags = SYNC_FSDATA | SYNC_DELWRI | SYNC_WAIT | SYNC_DIO_WAIT; + flags = SYNC_FSDATA | SYNC_DELWRI | SYNC_WAIT | SYNC_IOWAIT; } else flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 558823a..e2c2ce9 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -91,8 +91,7 @@ typedef enum { #define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */ #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ -#define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ -#define SYNC_DIO_WAIT 0x0200 /* wait for direct I/O to complete */ +#define SYNC_IOWAIT 0x0100 /* wait for all I/O to complete */ #define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */ #define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */ diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c index c2a6eab..29f72f6 100644 --- a/fs/xfs/xfs_vfsops.c +++ b/fs/xfs/xfs_vfsops.c @@ -872,10 +872,10 @@ xfs_statvfs( * this by simply making sure the log gets flushed * if SYNC_BDFLUSH is set, and by actually writing it * out otherwise. - * SYNC_DIO_WAIT - The caller wants us to wait for all direct I/Os - * as well to ensure all data I/O completes before we - * return. Forms the drain side of the write barrier needed - * to safely quiesce the filesystem. + * SYNC_IOWAIT - The caller wants us to wait for all data I/O to complete + * before we return (including direct I/O). Forms the drain + * side of the write barrier needed to safely quiesce the + * filesystem. * */ /*ARGSUSED*/ @@ -1174,10 +1174,11 @@ xfs_sync_inodes( } /* - * When freezing, we need to wait ensure direct I/O is complete - * as well to ensure all data modification is complete here + * When freezing, we need to wait ensure all I/O (including direct + * I/O) is complete to ensure no further data modification can take + * place after this point */ - if (flags & SYNC_DIO_WAIT) + if (flags & SYNC_IOWAIT) vn_iowait(vp); if (flags & SYNC_BDFLUSH) { @@ -1975,7 +1976,7 @@ xfs_freeze( /* flush inodes and push all remaining buffers out to disk */ xfs_quiesce_fs(mp); - BUG_ON(atomic_read(&mp->m_active_trans) > 0); + ASSERT_ALWAYS(atomic_read(&mp->m_active_trans) == 0); /* Push the superblock and write an unmount record */ xfs_log_unmount_write(mp); -- cgit v0.10.2 From 7bc5306d74922d9b14f507e1164d8dd852a98ad3 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Sat, 10 Feb 2007 18:37:28 +1100 Subject: [XFS] Remove unused header files for MAC and CAP checking functionality. xfs_mac.h and xfs_cap.h provide definitions and macros that aren't used anywhere in XFS at all. They are left-overs from "to be implement at some point in the future" functionality that Irix XFS has. If this functionality ever goes into Linux, it will be provided at a different layer, most likely through the security hooks in the kernel so we will never need this functionality in XFS. Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960895 SGI-Modid: xfs-linux-melb:xfs-kern:28036a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index e9d920d..ff5c41f 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -41,8 +41,6 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_bmap.h" #include "xfs_buf_item.h" diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 4dd6cb5..aa4c3b8 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 50ba479..0b5c9b6 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_inode_item.h" #include "xfs_buf_item.h" diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 2a94859..1a4103c 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index c76358b..4adaf13 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_space.h" diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c index aa3c76a..ddb61fe 100644 --- a/fs/xfs/quota/xfs_dquot_item.c +++ b/fs/xfs/quota/xfs_dquot_item.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index db1be5d..1de2acd 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -44,8 +44,6 @@ #include "xfs_bmap.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_space.h" diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c index 39a99ab..d2cdb8a 100644 --- a/fs/xfs/quota/xfs_qm_bhv.c +++ b/fs/xfs/quota/xfs_qm_bhv.c @@ -44,8 +44,6 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_qm.h" diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c index 6f858fb..709f5f5 100644 --- a/fs/xfs/quota/xfs_qm_stats.c +++ b/fs/xfs/quota/xfs_qm_stats.c @@ -43,8 +43,6 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_qm.h" diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 0c032fd..716f562 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -46,8 +46,6 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_utils.h" diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 0242e96..d7491e7 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -43,8 +43,6 @@ #include "xfs_error.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_priv.h" diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index 4b0cb47..4ca4beb 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -31,7 +31,6 @@ #include "xfs_inode.h" #include "xfs_btree.h" #include "xfs_acl.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include diff --git a/fs/xfs/xfs_cap.h b/fs/xfs/xfs_cap.h deleted file mode 100644 index 7a0e482..0000000 --- a/fs/xfs/xfs_cap.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. - * 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 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would 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 the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_CAP_H__ -#define __XFS_CAP_H__ - -/* - * Capabilities - */ -typedef __uint64_t xfs_cap_value_t; - -typedef struct xfs_cap_set { - xfs_cap_value_t cap_effective; /* use in capability checks */ - xfs_cap_value_t cap_permitted; /* combined with file attrs */ - xfs_cap_value_t cap_inheritable;/* pass through exec */ -} xfs_cap_set_t; - -/* On-disk XFS extended attribute names */ -#define SGI_CAP_FILE "SGI_CAP_FILE" -#define SGI_CAP_FILE_SIZE (sizeof(SGI_CAP_FILE)-1) -#define SGI_CAP_LINUX "SGI_CAP_LINUX" -#define SGI_CAP_LINUX_SIZE (sizeof(SGI_CAP_LINUX)-1) - -/* - * For Linux, we take the bitfields directly from capability.h - * and no longer attempt to keep this attribute ondisk compatible - * with IRIX. Since this attribute is only set on executables, - * it just doesn't make much sense to try. We do use a different - * named attribute though, to avoid confusion. - */ - -#ifdef __KERNEL__ - -#ifdef CONFIG_FS_POSIX_CAP - -#include - -struct bhv_vnode; - -extern int xfs_cap_vhascap(struct bhv_vnode *); -extern int xfs_cap_vset(struct bhv_vnode *, void *, size_t); -extern int xfs_cap_vget(struct bhv_vnode *, void *, size_t); -extern int xfs_cap_vremove(struct bhv_vnode *); - -#define _CAP_EXISTS xfs_cap_vhascap - -#else -#define xfs_cap_vset(v,p,sz) (-EOPNOTSUPP) -#define xfs_cap_vget(v,p,sz) (-EOPNOTSUPP) -#define xfs_cap_vremove(v) (-EOPNOTSUPP) -#define _CAP_EXISTS (NULL) -#endif - -#endif /* __KERNEL__ */ - -#endif /* __XFS_CAP_H__ */ diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index 50d0fae..b847e6a 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -41,7 +41,6 @@ #include "xfs_itable.h" #include "xfs_dfrag.h" #include "xfs_error.h" -#include "xfs_mac.h" #include "xfs_rw.h" /* diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 7efcf25..3da9829 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -47,7 +47,6 @@ #include "xfs_utils.h" #include "xfs_dir2_trace.h" #include "xfs_quota.h" -#include "xfs_mac.h" #include "xfs_acl.h" diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 2069e2c..cc6a7b5 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -43,8 +43,6 @@ #include "xfs_itable.h" #include "xfs_rw.h" #include "xfs_acl.h" -#include "xfs_cap.h" -#include "xfs_mac.h" #include "xfs_attr.h" #include "xfs_buf_item.h" #include "xfs_trans_space.h" diff --git a/fs/xfs/xfs_mac.h b/fs/xfs/xfs_mac.h deleted file mode 100644 index 18e0e98..0000000 --- a/fs/xfs/xfs_mac.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (c) 2001-2002,2005 Silicon Graphics, Inc. - * 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 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would 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 the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __XFS_MAC_H__ -#define __XFS_MAC_H__ - -/* - * Mandatory Access Control - * - * Layout of a composite MAC label: - * ml_list contains the list of categories (MSEN) followed by the list of - * divisions (MINT). This is actually a header for the data structure which - * will have an ml_list with more than one element. - * - * ------------------------------- - * | ml_msen_type | ml_mint_type | - * ------------------------------- - * | ml_level | ml_grade | - * ------------------------------- - * | ml_catcount | - * ------------------------------- - * | ml_divcount | - * ------------------------------- - * | category 1 | - * | . . . | - * | category N | (where N = ml_catcount) - * ------------------------------- - * | division 1 | - * | . . . | - * | division M | (where M = ml_divcount) - * ------------------------------- - */ -#define XFS_MAC_MAX_SETS 250 -typedef struct xfs_mac_label { - __uint8_t ml_msen_type; /* MSEN label type */ - __uint8_t ml_mint_type; /* MINT label type */ - __uint8_t ml_level; /* Hierarchical level */ - __uint8_t ml_grade; /* Hierarchical grade */ - __uint16_t ml_catcount; /* Category count */ - __uint16_t ml_divcount; /* Division count */ - /* Category set, then Division set */ - __uint16_t ml_list[XFS_MAC_MAX_SETS]; -} xfs_mac_label_t; - -/* MSEN label type names. Choose an upper case ASCII character. */ -#define XFS_MSEN_ADMIN_LABEL 'A' /* Admin: low Date: Sat, 10 Feb 2007 18:37:33 +1100 Subject: [XFS] Remove unused arguments from the XFS_BTREE_*_ADDR macros. It makes it incrementally clearer to read the code when the top of a macro spaghetti-pile only receives the 3 arguments it uses, rather than 2 extra ones which are not used. Also when you start pulling this thread out of the sweater (i.e. remove unused args from XFS_BTREE_*_ADDR), a couple other third arms etc fall off too. If they're not used in the macro, then they sometimes don't need to be passed to the function calling the macro either, etc.... Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960197 SGI-Modid: xfs-linux-melb:xfs-kern:28037a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_alloc_btree.h b/fs/xfs/xfs_alloc_btree.h index bce81c7..5bd1a2c 100644 --- a/fs/xfs/xfs_alloc_btree.h +++ b/fs/xfs/xfs_alloc_btree.h @@ -58,7 +58,6 @@ typedef struct xfs_btree_sblock xfs_alloc_block_t; /* * Real block structures have a size equal to the disk block size. */ -#define XFS_ALLOC_BLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog) #define XFS_ALLOC_BLOCK_MAXRECS(lev,cur) ((cur)->bc_mp->m_alloc_mxr[lev != 0]) #define XFS_ALLOC_BLOCK_MINRECS(lev,cur) ((cur)->bc_mp->m_alloc_mnr[lev != 0]) @@ -87,16 +86,13 @@ typedef struct xfs_btree_sblock xfs_alloc_block_t; * Record, key, and pointer address macros for btree blocks. */ #define XFS_ALLOC_REC_ADDR(bb,i,cur) \ - XFS_BTREE_REC_ADDR(XFS_ALLOC_BLOCK_SIZE(0,cur), xfs_alloc, \ - bb, i, XFS_ALLOC_BLOCK_MAXRECS(0, cur)) + XFS_BTREE_REC_ADDR(xfs_alloc, bb, i) #define XFS_ALLOC_KEY_ADDR(bb,i,cur) \ - XFS_BTREE_KEY_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, \ - bb, i, XFS_ALLOC_BLOCK_MAXRECS(1, cur)) + XFS_BTREE_KEY_ADDR(xfs_alloc, bb, i) #define XFS_ALLOC_PTR_ADDR(bb,i,cur) \ - XFS_BTREE_PTR_ADDR(XFS_ALLOC_BLOCK_SIZE(1,cur), xfs_alloc, \ - bb, i, XFS_ALLOC_BLOCK_MAXRECS(1, cur)) + XFS_BTREE_PTR_ADDR(xfs_alloc, bb, i, XFS_ALLOC_BLOCK_MAXRECS(1, cur)) /* * Decrement cursor by one record at the level. diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 20b6922..27d36dc 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -410,7 +410,6 @@ xfs_bmap_count_leaves( STATIC int xfs_bmap_disk_count_leaves( xfs_ifork_t *ifp, - xfs_mount_t *mp, xfs_extnum_t idx, xfs_bmbt_block_t *block, int numrecs, @@ -4533,8 +4532,7 @@ xfs_bmap_read_extents( error0); if (level == 0) break; - pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, - 1, mp->m_bmap_dmxr[1]); + pp = XFS_BTREE_PTR_ADDR(xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); bno = be64_to_cpu(*pp); XFS_WANT_CORRUPTED_GOTO(XFS_FSB_SANITY_CHECK(mp, bno), error0); xfs_trans_brelse(tp, bp); @@ -4577,8 +4575,7 @@ xfs_bmap_read_extents( /* * Copy records into the extent records. */ - frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, - block, 1, mp->m_bmap_dmxr[0]); + frp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1); start = i; for (j = 0; j < num_recs; j++, i++, frp++) { trp = xfs_iext_get_ext(ifp, i); @@ -6156,8 +6153,7 @@ xfs_check_block( if (root) { keyp = XFS_BMAP_BROOT_KEY_ADDR(block, i, sz); } else { - keyp = XFS_BTREE_KEY_ADDR(mp->m_sb.sb_blocksize, - xfs_bmbt, block, i, dmxr); + keyp = XFS_BTREE_KEY_ADDR(xfs_bmbt, block, i); } if (prevp) { @@ -6172,15 +6168,14 @@ xfs_check_block( if (root) { pp = XFS_BMAP_BROOT_PTR_ADDR(block, i, sz); } else { - pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, - xfs_bmbt, block, i, dmxr); + pp = XFS_BTREE_PTR_ADDR(xfs_bmbt, block, i, dmxr); } for (j = i+1; j <= be16_to_cpu(block->bb_numrecs); j++) { if (root) { thispa = XFS_BMAP_BROOT_PTR_ADDR(block, j, sz); } else { - thispa = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, - xfs_bmbt, block, j, dmxr); + thispa = XFS_BTREE_PTR_ADDR(xfs_bmbt, block, j, + dmxr); } if (*thispa == *pp) { cmn_err(CE_WARN, "%s: thispa(%d) == pp(%d) %Ld", @@ -6267,8 +6262,7 @@ xfs_bmap_check_leaf_extents( */ xfs_check_block(block, mp, 0, 0); - pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, block, - 1, mp->m_bmap_dmxr[1]); + pp = XFS_BTREE_PTR_ADDR(xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); bno = be64_to_cpu(*pp); XFS_WANT_CORRUPTED_GOTO(XFS_FSB_SANITY_CHECK(mp, bno), error0); if (bp_release) { @@ -6305,11 +6299,9 @@ xfs_bmap_check_leaf_extents( * conform with the first entry in this one. */ - ep = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, - block, 1, mp->m_bmap_dmxr[0]); + ep = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1); for (j = 1; j < num_recs; j++) { - nextp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_bmbt, - block, j + 1, mp->m_bmap_dmxr[0]); + nextp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, j + 1); if (lastp) { xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)lastp, (void *)ep); @@ -6454,8 +6446,7 @@ xfs_bmap_count_tree( } /* Dive to the next level */ - pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, - xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); + pp = XFS_BTREE_PTR_ADDR(xfs_bmbt, block, 1, mp->m_bmap_dmxr[1]); bno = be64_to_cpu(*pp); if (unlikely((error = xfs_bmap_count_tree(mp, tp, ifp, bno, level, count)) < 0)) { @@ -6470,7 +6461,7 @@ xfs_bmap_count_tree( for (;;) { nextbno = be64_to_cpu(block->bb_rightsib); numrecs = be16_to_cpu(block->bb_numrecs); - if (unlikely(xfs_bmap_disk_count_leaves(ifp, mp, + if (unlikely(xfs_bmap_disk_count_leaves(ifp, 0, block, numrecs, count) < 0)) { xfs_trans_brelse(tp, bp); XFS_ERROR_REPORT("xfs_bmap_count_tree(2)", @@ -6518,7 +6509,6 @@ xfs_bmap_count_leaves( int xfs_bmap_disk_count_leaves( xfs_ifork_t *ifp, - xfs_mount_t *mp, xfs_extnum_t idx, xfs_bmbt_block_t *block, int numrecs, @@ -6528,8 +6518,7 @@ xfs_bmap_disk_count_leaves( xfs_bmbt_rec_t *frp; for (b = 1; b <= numrecs; b++) { - frp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, - xfs_bmbt, block, idx + b, mp->m_bmap_dmxr[0]); + frp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, idx + b); *count += xfs_bmbt_disk_get_blockcount(frp); } return 0; diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 3a92510..29b4965 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -1731,9 +1731,9 @@ xfs_bmdr_to_bmbt( rblock->bb_leftsib = cpu_to_be64(NULLDFSBNO); rblock->bb_rightsib = cpu_to_be64(NULLDFSBNO); dmxr = (int)XFS_BTREE_BLOCK_MAXRECS(dblocklen, xfs_bmdr, 0); - fkp = XFS_BTREE_KEY_ADDR(dblocklen, xfs_bmdr, dblock, 1, dmxr); + fkp = XFS_BTREE_KEY_ADDR(xfs_bmdr, dblock, 1); tkp = XFS_BMAP_BROOT_KEY_ADDR(rblock, 1, rblocklen); - fpp = XFS_BTREE_PTR_ADDR(dblocklen, xfs_bmdr, dblock, 1, dmxr); + fpp = XFS_BTREE_PTR_ADDR(xfs_bmdr, dblock, 1, dmxr); tpp = XFS_BMAP_BROOT_PTR_ADDR(rblock, 1, rblocklen); dmxr = be16_to_cpu(dblock->bb_numrecs); memcpy(tkp, fkp, sizeof(*fkp) * dmxr); @@ -2684,9 +2684,9 @@ xfs_bmbt_to_bmdr( dblock->bb_numrecs = rblock->bb_numrecs; dmxr = (int)XFS_BTREE_BLOCK_MAXRECS(dblocklen, xfs_bmdr, 0); fkp = XFS_BMAP_BROOT_KEY_ADDR(rblock, 1, rblocklen); - tkp = XFS_BTREE_KEY_ADDR(dblocklen, xfs_bmdr, dblock, 1, dmxr); + tkp = XFS_BTREE_KEY_ADDR(xfs_bmdr, dblock, 1); fpp = XFS_BMAP_BROOT_PTR_ADDR(rblock, 1, rblocklen); - tpp = XFS_BTREE_PTR_ADDR(dblocklen, xfs_bmdr, dblock, 1, dmxr); + tpp = XFS_BTREE_PTR_ADDR(xfs_bmdr, dblock, 1, dmxr); dmxr = be16_to_cpu(dblock->bb_numrecs); memcpy(tkp, fkp, sizeof(*fkp) * dmxr); memcpy(tpp, fpp, sizeof(*fpp) * dmxr); diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index 49539de..153480f 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -175,19 +175,11 @@ typedef struct xfs_btree_lblock xfs_bmbt_block_t; #define XFS_BUF_TO_BMBT_BLOCK(bp) ((xfs_bmbt_block_t *)XFS_BUF_PTR(bp)) -#define XFS_BMAP_IBLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog) #define XFS_BMAP_RBLOCK_DSIZE(lev,cur) ((cur)->bc_private.b.forksize) #define XFS_BMAP_RBLOCK_ISIZE(lev,cur) \ ((int)XFS_IFORK_PTR((cur)->bc_private.b.ip, \ (cur)->bc_private.b.whichfork)->if_broot_bytes) -#define XFS_BMAP_BLOCK_DSIZE(lev,cur) \ - (((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BMAP_RBLOCK_DSIZE(lev,cur) : XFS_BMAP_IBLOCK_SIZE(lev,cur))) -#define XFS_BMAP_BLOCK_ISIZE(lev,cur) \ - (((lev) == (cur)->bc_nlevels - 1 ? \ - XFS_BMAP_RBLOCK_ISIZE(lev,cur) : XFS_BMAP_IBLOCK_SIZE(lev,cur))) - #define XFS_BMAP_BLOCK_DMAXRECS(lev,cur) \ (((lev) == (cur)->bc_nlevels - 1 ? \ XFS_BTREE_BLOCK_MAXRECS(XFS_BMAP_RBLOCK_DSIZE(lev,cur), \ @@ -210,37 +202,21 @@ typedef struct xfs_btree_lblock xfs_bmbt_block_t; xfs_bmbt, (lev) == 0) : \ ((cur)->bc_mp->m_bmap_dmnr[(lev) != 0]))) -#define XFS_BMAP_REC_DADDR(bb,i,cur) \ - (XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ - be16_to_cpu((bb)->bb_level), cur))) -#define XFS_BMAP_REC_IADDR(bb,i,cur) \ - (XFS_BTREE_REC_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ - be16_to_cpu((bb)->bb_level), cur))) +#define XFS_BMAP_REC_DADDR(bb,i,cur) (XFS_BTREE_REC_ADDR(xfs_bmbt, bb, i)) + +#define XFS_BMAP_REC_IADDR(bb,i,cur) (XFS_BTREE_REC_ADDR(xfs_bmbt, bb, i)) #define XFS_BMAP_KEY_DADDR(bb,i,cur) \ - (XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ - be16_to_cpu((bb)->bb_level), cur))) + (XFS_BTREE_KEY_ADDR(xfs_bmbt, bb, i)) + #define XFS_BMAP_KEY_IADDR(bb,i,cur) \ - (XFS_BTREE_KEY_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ - be16_to_cpu((bb)->bb_level), cur))) + (XFS_BTREE_KEY_ADDR(xfs_bmbt, bb, i)) #define XFS_BMAP_PTR_DADDR(bb,i,cur) \ - (XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_DSIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ + (XFS_BTREE_PTR_ADDR(xfs_bmbt, bb, i, XFS_BMAP_BLOCK_DMAXRECS( \ be16_to_cpu((bb)->bb_level), cur))) #define XFS_BMAP_PTR_IADDR(bb,i,cur) \ - (XFS_BTREE_PTR_ADDR(XFS_BMAP_BLOCK_ISIZE( \ - be16_to_cpu((bb)->bb_level), cur), \ - xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ + (XFS_BTREE_PTR_ADDR(xfs_bmbt, bb, i, XFS_BMAP_BLOCK_IMAXRECS( \ be16_to_cpu((bb)->bb_level), cur))) /* @@ -248,11 +224,11 @@ typedef struct xfs_btree_lblock xfs_bmbt_block_t; * we don't have a cursor. */ #define XFS_BMAP_BROOT_REC_ADDR(bb,i,sz) \ - (XFS_BTREE_REC_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) + (XFS_BTREE_REC_ADDR(xfs_bmbt,bb,i)) #define XFS_BMAP_BROOT_KEY_ADDR(bb,i,sz) \ - (XFS_BTREE_KEY_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) + (XFS_BTREE_KEY_ADDR(xfs_bmbt,bb,i)) #define XFS_BMAP_BROOT_PTR_ADDR(bb,i,sz) \ - (XFS_BTREE_PTR_ADDR(sz,xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) + (XFS_BTREE_PTR_ADDR(xfs_bmbt,bb,i,XFS_BMAP_BROOT_MAXRECS(sz))) #define XFS_BMAP_BROOT_NUMRECS(bb) be16_to_cpu((bb)->bb_numrecs) #define XFS_BMAP_BROOT_MAXRECS(sz) XFS_BTREE_BLOCK_MAXRECS(sz,xfs_bmbt,0) diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 892b06c..4e27d55 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -122,13 +122,13 @@ extern const __uint32_t xfs_magics[]; * Given block size, type prefix, block pointer, and index of requested entry * (first entry numbered 1). */ -#define XFS_BTREE_REC_ADDR(bsz,t,bb,i,mxr) \ +#define XFS_BTREE_REC_ADDR(t,bb,i) \ ((t ## _rec_t *)((char *)(bb) + sizeof(t ## _block_t) + \ ((i) - 1) * sizeof(t ## _rec_t))) -#define XFS_BTREE_KEY_ADDR(bsz,t,bb,i,mxr) \ +#define XFS_BTREE_KEY_ADDR(t,bb,i) \ ((t ## _key_t *)((char *)(bb) + sizeof(t ## _block_t) + \ ((i) - 1) * sizeof(t ## _key_t))) -#define XFS_BTREE_PTR_ADDR(bsz,t,bb,i,mxr) \ +#define XFS_BTREE_PTR_ADDR(t,bb,i,mxr) \ ((t ## _ptr_t *)((char *)(bb) + sizeof(t ## _block_t) + \ (mxr) * sizeof(t ## _key_t) + ((i) - 1) * sizeof(t ## _ptr_t))) diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index bfde9e6..32c37c1 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -250,8 +250,7 @@ xfs_growfs_data_private( block->bb_numrecs = cpu_to_be16(1); block->bb_leftsib = cpu_to_be32(NULLAGBLOCK); block->bb_rightsib = cpu_to_be32(NULLAGBLOCK); - arec = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, - block, 1, mp->m_alloc_mxr[0]); + arec = XFS_BTREE_REC_ADDR(xfs_alloc, block, 1); arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); @@ -272,8 +271,7 @@ xfs_growfs_data_private( block->bb_numrecs = cpu_to_be16(1); block->bb_leftsib = cpu_to_be32(NULLAGBLOCK); block->bb_rightsib = cpu_to_be32(NULLAGBLOCK); - arec = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, - block, 1, mp->m_alloc_mxr[0]); + arec = XFS_BTREE_REC_ADDR(xfs_alloc, block, 1); arec->ar_startblock = cpu_to_be32(XFS_PREALLOC_BLOCKS(mp)); arec->ar_blockcount = cpu_to_be32( agsize - be32_to_cpu(arec->ar_startblock)); diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index 2c0e498..bf8e9af 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -89,7 +89,6 @@ typedef struct xfs_btree_sblock xfs_inobt_block_t; /* * Real block structures have a size equal to the disk block size. */ -#define XFS_INOBT_BLOCK_SIZE(lev,cur) (1 << (cur)->bc_blocklog) #define XFS_INOBT_BLOCK_MAXRECS(lev,cur) ((cur)->bc_mp->m_inobt_mxr[lev != 0]) #define XFS_INOBT_BLOCK_MINRECS(lev,cur) ((cur)->bc_mp->m_inobt_mnr[lev != 0]) #define XFS_INOBT_IS_LAST_REC(cur) \ @@ -110,14 +109,13 @@ typedef struct xfs_btree_sblock xfs_inobt_block_t; * Record, key, and pointer address macros for btree blocks. */ #define XFS_INOBT_REC_ADDR(bb,i,cur) \ - (XFS_BTREE_REC_ADDR(XFS_INOBT_BLOCK_SIZE(0,cur), xfs_inobt, bb, \ - i, XFS_INOBT_BLOCK_MAXRECS(0, cur))) + (XFS_BTREE_REC_ADDR(xfs_inobt, bb, i)) + #define XFS_INOBT_KEY_ADDR(bb,i,cur) \ - (XFS_BTREE_KEY_ADDR(XFS_INOBT_BLOCK_SIZE(1,cur), xfs_inobt, bb, \ - i, XFS_INOBT_BLOCK_MAXRECS(1, cur))) + (XFS_BTREE_KEY_ADDR(xfs_inobt, bb, i)) #define XFS_INOBT_PTR_ADDR(bb,i,cur) \ - (XFS_BTREE_PTR_ADDR(XFS_INOBT_BLOCK_SIZE(1,cur), xfs_inobt, bb, \ + (XFS_BTREE_PTR_ADDR(xfs_inobt, bb, \ i, XFS_INOBT_BLOCK_MAXRECS(1, cur))) /* -- cgit v0.10.2 From 6be145bfb1ce93b2dbb854fee66fbb8d04916339 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Sat, 10 Feb 2007 18:37:40 +1100 Subject: [XFS] Remove a bunch of unused functions from XFS. Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960897 SGI-Modid: xfs-linux-melb:xfs-kern:28038a Signed-off-by: Eric Sandeen Signed-off-by: David Chinner Signed-off-by: Tim Shimmin diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 27d36dc..8779518 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -185,16 +185,6 @@ xfs_bmap_btree_to_extents( int *logflagsp, /* inode logging flags */ int whichfork); /* data or attr fork */ -#ifdef DEBUG -/* - * Check that the extents list for the inode ip is in the right order. - */ -STATIC void -xfs_bmap_check_extents( - xfs_inode_t *ip, /* incore inode pointer */ - int whichfork); /* data or attr fork */ -#endif - /* * Called by xfs_bmapi to update file extent records and the btree * after removing space (or undoing a delayed allocation). @@ -6045,32 +6035,6 @@ xfs_bmap_eof( } #ifdef DEBUG -/* - * Check that the extents list for the inode ip is in the right order. - */ -STATIC void -xfs_bmap_check_extents( - xfs_inode_t *ip, /* incore inode pointer */ - int whichfork) /* data or attr fork */ -{ - xfs_bmbt_rec_t *ep; /* current extent entry */ - xfs_extnum_t idx; /* extent record index */ - xfs_ifork_t *ifp; /* inode fork pointer */ - xfs_extnum_t nextents; /* number of extents in list */ - xfs_bmbt_rec_t *nextp; /* next extent entry */ - - ifp = XFS_IFORK_PTR(ip, whichfork); - ASSERT(ifp->if_flags & XFS_IFEXTENTS); - nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t); - ep = xfs_iext_get_ext(ifp, 0); - for (idx = 0; idx < nextents - 1; idx++) { - nextp = xfs_iext_get_ext(ifp, idx + 1); - xfs_btree_check_rec(XFS_BTNUM_BMAP, (void *)ep, - (void *)(nextp)); - ep = nextp; - } -} - STATIC xfs_buf_t * xfs_bmap_get_bp( diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c index 29b4965..0bf192f 100644 --- a/fs/xfs/xfs_bmap_btree.c +++ b/fs/xfs/xfs_bmap_btree.c @@ -678,47 +678,6 @@ error0: return error; } -#ifdef DEBUG -/* - * Get the data from the pointed-to record. - */ -int -xfs_bmbt_get_rec( - xfs_btree_cur_t *cur, - xfs_fileoff_t *off, - xfs_fsblock_t *bno, - xfs_filblks_t *len, - xfs_exntst_t *state, - int *stat) -{ - xfs_bmbt_block_t *block; - xfs_buf_t *bp; -#ifdef DEBUG - int error; -#endif - int ptr; - xfs_bmbt_rec_t *rp; - - block = xfs_bmbt_get_block(cur, 0, &bp); - ptr = cur->bc_ptrs[0]; -#ifdef DEBUG - if ((error = xfs_btree_check_lblock(cur, block, 0, bp))) - return error; -#endif - if (ptr > be16_to_cpu(block->bb_numrecs) || ptr <= 0) { - *stat = 0; - return 0; - } - rp = XFS_BMAP_REC_IADDR(block, ptr, cur); - *off = xfs_bmbt_disk_get_startoff(rp); - *bno = xfs_bmbt_disk_get_startblock(rp); - *len = xfs_bmbt_disk_get_blockcount(rp); - *state = xfs_bmbt_disk_get_state(rp); - *stat = 1; - return 0; -} -#endif - /* * Insert one record/level. Return information to the caller * allowing the next level up to proceed if necessary. @@ -2016,30 +1975,6 @@ xfs_bmbt_disk_get_blockcount( } /* - * Extract the startblock field from an on disk bmap extent record. - */ -xfs_fsblock_t -xfs_bmbt_disk_get_startblock( - xfs_bmbt_rec_t *r) -{ -#if XFS_BIG_BLKNOS - return (((xfs_fsblock_t)INT_GET(r->l0, ARCH_CONVERT) & XFS_MASK64LO(9)) << 43) | - (((xfs_fsblock_t)INT_GET(r->l1, ARCH_CONVERT)) >> 21); -#else -#ifdef DEBUG - xfs_dfsbno_t b; - - b = (((xfs_dfsbno_t)INT_GET(r->l0, ARCH_CONVERT) & XFS_MASK64LO(9)) << 43) | - (((xfs_dfsbno_t)INT_GET(r->l1, ARCH_CONVERT)) >> 21); - ASSERT((b >> 32) == 0 || ISNULLDSTARTBLOCK(b)); - return (xfs_fsblock_t)b; -#else /* !DEBUG */ - return (xfs_fsblock_t)(((xfs_dfsbno_t)INT_GET(r->l1, ARCH_CONVERT)) >> 21); -#endif /* DEBUG */ -#endif /* XFS_BIG_BLKNOS */ -} - -/* * Extract the startoff field from a disk format bmap extent record. */ xfs_fileoff_t @@ -2049,17 +1984,6 @@ xfs_bmbt_disk_get_startoff( return ((xfs_fileoff_t)INT_GET(r->l0, ARCH_CONVERT) & XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9; } - -xfs_exntst_t -xfs_bmbt_disk_get_state( - xfs_bmbt_rec_t *r) -{ - int ext_flag; - - ext_flag = (int)((INT_GET(r->l0, ARCH_CONVERT)) >> (64 - BMBT_EXNTFLAG_BITLEN)); - return xfs_extent_state(xfs_bmbt_disk_get_blockcount(r), - ext_flag); -} #endif /* XFS_NATIVE_HOST */ diff --git a/fs/xfs/xfs_bmap_btree.h b/fs/xfs/xfs_bmap_btree.h index 153480f..a77b1b7 100644 --- a/fs/xfs/xfs_bmap_btree.h +++ b/fs/xfs/xfs_bmap_btree.h @@ -291,15 +291,11 @@ extern xfs_exntst_t xfs_bmbt_get_state(xfs_bmbt_rec_t *r); #ifndef XFS_NATIVE_HOST extern void xfs_bmbt_disk_get_all(xfs_bmbt_rec_t *r, xfs_bmbt_irec_t *s); -extern xfs_exntst_t xfs_bmbt_disk_get_state(xfs_bmbt_rec_t *r); extern xfs_filblks_t xfs_bmbt_disk_get_blockcount(xfs_bmbt_rec_t *r); -extern xfs_fsblock_t xfs_bmbt_disk_get_startblock(xfs_bmbt_rec_t *r); extern xfs_fileoff_t xfs_bmbt_disk_get_startoff(xfs_bmbt_rec_t *r); #else #define xfs_bmbt_disk_get_all(r, s) xfs_bmbt_get_all(r, s) -#define xfs_bmbt_disk_get_state(r) xfs_bmbt_get_state(r) #define xfs_bmbt_disk_get_blockcount(r) xfs_bmbt_get_blockcount(r) -#define xfs_bmbt_disk_get_startblock(r) xfs_bmbt_get_blockcount(r) #define xfs_bmbt_disk_get_startoff(r) xfs_bmbt_get_startoff(r) #endif /* XFS_NATIVE_HOST */ @@ -340,15 +336,6 @@ extern void xfs_bmbt_to_bmdr(xfs_bmbt_block_t *, int, xfs_bmdr_block_t *, int); extern int xfs_bmbt_update(struct xfs_btree_cur *, xfs_fileoff_t, xfs_fsblock_t, xfs_filblks_t, xfs_exntst_t); -#ifdef DEBUG -/* - * Get the data from the pointed-to record. - */ -extern int xfs_bmbt_get_rec(struct xfs_btree_cur *, xfs_fileoff_t *, - xfs_fsblock_t *, xfs_filblks_t *, - xfs_exntst_t *, int *); -#endif - #endif /* __KERNEL__ */ #endif /* __XFS_BMAP_BTREE_H__ */ diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index cccf69e..aea37df 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -2165,21 +2165,6 @@ xfs_da_reada_buf( return rval; } -/* - * Calculate the number of bits needed to hold i different values. - */ -uint -xfs_da_log2_roundup(uint i) -{ - uint rval; - - for (rval = 0; rval < NBBY * sizeof(i); rval++) { - if ((1 << rval) >= i) - break; - } - return(rval); -} - kmem_zone_t *xfs_da_state_zone; /* anchor for state struct zone */ kmem_zone_t *xfs_dabuf_zone; /* dabuf zone */ diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 4ab865e..44dabf0 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -249,7 +249,6 @@ int xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, xfs_dabuf_t *dead_buf); uint xfs_da_hashname(const uchar_t *name_string, int name_length); -uint xfs_da_log2_roundup(uint i); xfs_da_state_t *xfs_da_state_alloc(void); void xfs_da_state_free(xfs_da_state_t *state); diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index b95681b..b1af544 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -132,32 +132,6 @@ xfs_errortag_add(int error_tag, xfs_mount_t *mp) } int -xfs_errortag_clear(int error_tag, xfs_mount_t *mp) -{ - int i; - int64_t fsid; - - memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); - - for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { - if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) { - xfs_etest[i] = 0; - xfs_etest_fsid[i] = 0LL; - kmem_free(xfs_etest_fsname[i], - strlen(xfs_etest_fsname[i]) + 1); - xfs_etest_fsname[i] = NULL; - cmn_err(CE_WARN, "Cleared XFS error tag #%d", - error_tag); - return 0; - } - } - - cmn_err(CE_WARN, "XFS error tag %d not on", error_tag); - - return 1; -} - -int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud) { int i; diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 86d22ef..5599ada 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -144,7 +144,6 @@ extern void xfs_error_test_init(void); #endif /* __ANSI_CPP__ */ extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); -extern int xfs_errortag_clear(int error_tag, xfs_mount_t *mp); extern int xfs_errortag_clearall(xfs_mount_t *mp); extern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud); #else diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index dcf57dc..6fff19d 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -913,57 +913,6 @@ xfs_rtcheck_alloc_range( } #endif -#ifdef DEBUG -/* - * Check whether the given block in the bitmap has the given value. - */ -STATIC int /* 1 for matches, 0 for not */ -xfs_rtcheck_bit( - xfs_mount_t *mp, /* file system mount structure */ - xfs_trans_t *tp, /* transaction pointer */ - xfs_rtblock_t start, /* bit (block) to check */ - int val) /* 1 for free, 0 for allocated */ -{ - int bit; /* bit number in the word */ - xfs_rtblock_t block; /* bitmap block number */ - xfs_buf_t *bp; /* buf for the block */ - xfs_rtword_t *bufp; /* pointer into the buffer */ - /* REFERENCED */ - int error; /* error value */ - xfs_rtword_t wdiff; /* difference between bit & expected */ - int word; /* word number in the buffer */ - xfs_rtword_t wval; /* word value from buffer */ - - block = XFS_BITTOBLOCK(mp, start); - error = xfs_rtbuf_get(mp, tp, block, 0, &bp); - bufp = (xfs_rtword_t *)XFS_BUF_PTR(bp); - word = XFS_BITTOWORD(mp, start); - bit = (int)(start & (XFS_NBWORD - 1)); - wval = bufp[word]; - xfs_trans_brelse(tp, bp); - wdiff = (wval ^ -val) & ((xfs_rtword_t)1 << bit); - return !wdiff; -} -#endif /* DEBUG */ - -#if 0 -/* - * Check that the given extent (block range) is free already. - */ -STATIC int /* error */ -xfs_rtcheck_free_range( - xfs_mount_t *mp, /* file system mount point */ - xfs_trans_t *tp, /* transaction pointer */ - xfs_rtblock_t bno, /* starting block number of extent */ - xfs_extlen_t len, /* length of extent */ - int *stat) /* out: 1 for free, 0 for not */ -{ - xfs_rtblock_t new; /* dummy for xfs_rtcheck_range */ - - return xfs_rtcheck_range(mp, tp, bno, len, 1, &new, stat); -} -#endif - /* * Check that the given range is either all allocated (val = 0) or * all free (val = 1). @@ -2382,60 +2331,3 @@ xfs_rtpick_extent( *pick = b; return 0; } - -#ifdef DEBUG -/* - * Debug code: print out the value of a range in the bitmap. - */ -void -xfs_rtprint_range( - xfs_mount_t *mp, /* file system mount structure */ - xfs_trans_t *tp, /* transaction pointer */ - xfs_rtblock_t start, /* starting block to print */ - xfs_extlen_t len) /* length to print */ -{ - xfs_extlen_t i; /* block number in the extent */ - - cmn_err(CE_DEBUG, "%Ld: ", (long long)start); - for (i = 0; i < len; i++) - cmn_err(CE_DEBUG, "%d", xfs_rtcheck_bit(mp, tp, start + i, 1)); - cmn_err(CE_DEBUG, "\n"); -} - -/* - * Debug code: print the summary file. - */ -void -xfs_rtprint_summary( - xfs_mount_t *mp, /* file system mount structure */ - xfs_trans_t *tp) /* transaction pointer */ -{ - xfs_suminfo_t c; /* summary data */ - xfs_rtblock_t i; /* bitmap block number */ - int l; /* summary information level */ - int p; /* flag for printed anything */ - xfs_fsblock_t sb; /* summary block number */ - xfs_buf_t *sumbp; /* summary block buffer */ - - sumbp = NULL; - for (l = 0; l < mp->m_rsumlevels; l++) { - for (p = 0, i = 0; i < mp->m_sb.sb_rbmblocks; i++) { - (void)xfs_rtget_summary(mp, tp, l, i, &sumbp, &sb, &c); - if (c) { - if (!p) { - cmn_err(CE_DEBUG, "%Ld-%Ld:", 1LL << l, - XFS_RTMIN((1LL << l) + - ((1LL << l) - 1LL), - mp->m_sb.sb_rextents)); - p = 1; - } - cmn_err(CE_DEBUG, " %Ld:%d", (long long)i, c); - } - } - if (p) - cmn_err(CE_DEBUG, "\n"); - } - if (sumbp) - xfs_trans_brelse(tp, sumbp); -} -#endif /* DEBUG */ diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h index 0e0b4d2..799c1f8 100644 --- a/fs/xfs/xfs_rtalloc.h +++ b/fs/xfs/xfs_rtalloc.h @@ -134,24 +134,6 @@ xfs_rtpick_extent( xfs_rtblock_t *pick); /* result rt extent */ /* - * Debug code: print out the value of a range in the bitmap. - */ -void -xfs_rtprint_range( - struct xfs_mount *mp, /* file system mount structure */ - struct xfs_trans *tp, /* transaction pointer */ - xfs_rtblock_t start, /* starting block to print */ - xfs_extlen_t len); /* length to print */ - -/* - * Debug code: print the summary file. - */ -void -xfs_rtprint_summary( - struct xfs_mount *mp, /* file system mount structure */ - struct xfs_trans *tp); /* transaction pointer */ - -/* * Grow the realtime area of the filesystem. */ int -- cgit v0.10.2 From e7ff6aed8761b2c86cd9ab7083e512de2b8cfa48 Mon Sep 17 00:00:00 2001 From: David Chinner Date: Sat, 10 Feb 2007 18:37:46 +1100 Subject: [XFS] Don't use kmap in xfs_iozero. kmap() is inefficient and does not scale well. kmap_atomic() is a better choice. Use the generic wrapper function instead of open coding the kmap-memset-dcache flush-kunmap stuff. SGI-PV: 960904 SGI-Modid: xfs-linux-melb:xfs-kern:28041a Signed-off-by: David Chinner Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 0b5c9b6..ff8d64e 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -137,7 +137,6 @@ xfs_iozero( unsigned bytes; struct page *page; struct address_space *mapping; - char *kaddr; int status; mapping = ip->i_mapping; @@ -155,15 +154,13 @@ xfs_iozero( if (!page) break; - kaddr = kmap(page); status = mapping->a_ops->prepare_write(NULL, page, offset, offset + bytes); - if (status) { + if (status) goto unlock; - } - memset((void *) (kaddr + offset), 0, bytes); - flush_dcache_page(page); + memclear_highpage_flush(page, offset, bytes); + status = mapping->a_ops->commit_write(NULL, page, offset, offset + bytes); if (!status) { @@ -172,7 +169,6 @@ xfs_iozero( } unlock: - kunmap(page); unlock_page(page); page_cache_release(page); if (status) -- cgit v0.10.2