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2011-09-02mm: Add comment explaining task state setting in bdi_forker_thread()Jan Kara
CC: Wu Fengguang <fengguang.wu@intel.com> CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-09-02mm: Cleanup clearing of BDI_pending bit in bdi_forker_thread()Jan Kara
bdi_forker_thread() clears BDI_pending bit at the end of the main loop. However clearing of this bit must not be done in some cases which is handled by calling 'continue' from switch statement. That's kind of unusual construct and without a good reason so change the function into more intuitive code flow. CC: Wu Fengguang <fengguang.wu@intel.com> CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-24block: simplify force plug flush code a little bitShaohua Li
Cleaning up the code a little bit. attempt_plug_merge() traverses the plug list anyway, we can do the request counting there, so stack size is reduced a little bit. The motivation here is I suspect if we should count the requests for each queue (task could handle multiple disks in the meantime), but my test doesn't show it's worthy doing. If somebody proves we should do it, below change will make that more easier. Signed-off-by: Shaohua Li <shli@kernel.org> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-24block: change force plug flush call orderShaohua Li
Do blk_flush_plug_list() first and then add new request aDo blk_flush_plug_list() first and then add new request aDo blk_flush_plug_list() first and then add new request at the tail. New request can't be merged to existing requests, but later new requests might be merged with this new one. If blk_flush_plug_list() is done later, the merge doesn't happen. Believe it or not, this fixes a 10% regression running sysbench workload. Signed-off-by: Shaohua Li <shli@kernel.org> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-24block: Fix queue_flag update when rq_affinity goes from 2 to 1Eric Seppanen
Commit 5757a6d76cdf added the QUEUE_FLAG_SAME_FORCE flag, but fails to clear that flag when the current state is '2' (SAME_COMP + SAME_FORCE) and the new state is '1' (SAME_COMP). Acked-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Eric Seppanen <eric@purestorage.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-23Merge branch 'stable/for-jens' of ↵Jens Axboe
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen into for-linus
2011-08-23block: separate priority boosting from REQ_METAChristoph Hellwig
Add a new REQ_PRIO to let requests preempt others in the cfq I/O schedule, and lave REQ_META purely for marking requests as metadata in blktrace. All existing callers of REQ_META except for XFS are updated to also set REQ_PRIO for now. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-23block: remove READ_META and WRITE_METAChristoph Hellwig
Replace all occurnanced of the undocumented READ_META with READ | REQ_META and remove the unused WRITE_META define. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-22Linux 3.1-rc3Linus Torvalds
2011-08-22Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tools: Add group event scheduling option to perf record/stat MAINTAINERS: Fix list of perf events source files perf tools: Fix build against newer glibc perf tools: Fix error handling of unknown events perf evlist: Fix missing event name init for default event perf list: Fix exit value
2011-08-22Merge branch 'stable/bug.fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/tracing: Fix tracing config option properly xen: Do not enable PV IPIs when vector callback not present xen/x86: replace order-based range checking of M2P table by linear one xen: xen-selfballoon.c needs more header files
2011-08-22xen-blkback: fixed indentation and commentsJoe Jin
This patch fixes belows: 1. Fix code style issue. 2. Fix incorrect functions name in comments. Signed-off-by: Joe Jin <joe.jin@oracle.com> Cc: Jens Axboe <jaxboe@fusionio.com> Cc: Ian Campbell <Ian.Campbell@eu.citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-08-22xen-blkback: Don't disconnect backend until state switched to XenbusStateClosed.Joe Jin
When do block-attach/block-detach test with below steps, umount hangs in the guest. Furthermore shutdown ends up being stuck when umounting file-systems. 1. start guest. 2. attach new block device by xm block-attach in Dom0. 3. mount new disk in guest. 4. execute xm block-detach to detach the block device in dom0 until timeout 5. Any request to the disk will hung. Root cause: This issue is caused when setting backend device's state to 'XenbusStateClosing', which sends to the frontend the XenbusStateClosing notification. When frontend receives the notification it tries to release the disk in blkfront_closing(), but at that moment the disk is still in use by guest, so frontend refuses to close. Specifically it sets the disk state to XenbusStateClosing and sends the notification to backend - when backend receives the event, it disconnects the vbd from real device, and sets the vbd device state to XenbusStateClosing. The backend disconnects the real device/file, and any IO requests to the disk in guest will end up in ether, leaving disk DEAD and set to XenbusStateClosing. When the guest wants to disconnect the disk, umount will hang on blkif_release()->xlvbd_release_gendisk() as it is unable to send any IO to the disk, which prevents clean system shutdown. Solution: Don't disconnect backend until frontend state switched to XenbusStateClosed. Signed-off-by: Joe Jin <joe.jin@oracle.com> Cc: Daniel Stodden <daniel.stodden@citrix.com> Cc: Jens Axboe <jaxboe@fusionio.com> Cc: Annie Li <annie.li@oracle.com> Cc: Ian Campbell <Ian.Campbell@eu.citrix.com> [v1: Modified description a bit] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-08-22xen/tracing: Fix tracing config option properlyJeremy Fitzhardinge
Steven Rostedt says we should use CONFIG_EVENT_TRACING. Cc:Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-08-22xen: Do not enable PV IPIs when vector callback not presentStefano Stabellini
Fix regression for HVM case on older (<4.1.1) hypervisors caused by commit 99bbb3a84a99cd04ab16b998b20f01a72cfa9f4f Author: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Date: Thu Dec 2 17:55:10 2010 +0000 xen: PV on HVM: support PV spinlocks and IPIs This change replaced the SMP operations with event based handlers without taking into account that this only works when the hypervisor supports callback vectors. This causes unexplainable hangs early on boot for HVM guests with more than one CPU. BugLink: http://bugs.launchpad.net/bugs/791850 CC: stable@kernel.org Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Tested-and-Reported-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-08-22Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: core: handle ack_busy when fetching the Config ROM
2011-08-21Btrfs: fix 64 bit divide problemJosef Bacik
This fixes a regression introduced by commit cdcb725c05fe ("Btrfs: check if there is enough space for balancing smarter"). We can't do 64-bit divides on 32-bit architectures. In cases where we need to divide/multiply by 2 we should just left/right shift respectively, and in cases where theres N number of devices use do_div. Also make the counters u64 to match up with rw_devices. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Acked-and-tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-21Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: flush any pending end_io requests before DIO reads w/dioread_nolock ext4: fix nomblk_io_submit option so it correctly converts uninit blocks ext4: Resolve the hang of direct i/o read in handling EXT4_IO_END_UNWRITTEN. ext4: call ext4_ioend_wait and ext4_flush_completed_IO in ext4_evict_inode ext4: Fix ext4_should_writeback_data() for no-journal mode
2011-08-21Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: sound/aoa/fabrics/layout.c: remove unneeded kfree ALSA: hda - Fix error check from snd_hda_get_conn_index() in patch_cirrus.c ALSA: hda - Don't spew too many ELD errors ALSA: usb-audio - Fix missing mixer dB information ALSA: hda - Add "PCM" volume to vmaster slave list ALSA: hda - Fix duplicated capture-volume creation for ALC268 models ALSA: ac97: Add HP Compaq dc5100 SFF(PT003AW) to Headphone Jack Sense whitelist ALSA: snd_usb_caiaq: track submitted output urbs
2011-08-21pci: fix new kernel-doc warning in pci.cRandy Dunlap
Fix new kernel-doc warning in pci.c: Warning(drivers/pci/pci.c:3259): No description found for parameter 'mps' Warning(drivers/pci/pci.c:3259): Excess function parameter 'rq' description in 'pcie_set_mps' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-20ALSA: sound/aoa/fabrics/layout.c: remove unneeded kfreeJulia Lawall
The label outnodev is only used when kzalloc has not yet taken place or has failed, so there is no need for the call for kfree under this label. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; expression E1!=0,E2,E3,E4; statement S; iterator I; @@ ( if (...) { ... when != kfree(x) when != x = E3 when != E3 = x * return ...; } ... when != x = E2 when != I(...,x,...) S if (...) { ... when != x = E4 kfree(x); ... return ...; } ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-08-20ALSA: hda - Fix error check from snd_hda_get_conn_index() in patch_cirrus.cTakashi Iwai
snd_hda_get_conn_index() returns a negative value while the current code stores it in an unsigned int. It must be stored in a signed integer. Reported-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-08-20ALSA: hda - Don't spew too many ELD errorsTakashi Iwai
Currently HD-audio driver shows the all error ELD byte as an error in the kernel message. This is annoying when the video driver doesn't set the correct ELD from the beginning. e.g. radeon sends a zero-byte data, but we still check ELD with the fixed 128 byte as a workaround for some broken devices, it spews 128-times errors. For avoiding this, the driver aborts reading when the first byte is invalid. In such a case, the whole data is certainly invalid. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-08-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel: drm/i915: set GFX_MODE to pre-Ivybridge default value even on Ivybridge
2011-08-19ext4: flush any pending end_io requests before DIO reads w/dioread_nolockJiaying Zhang
There is a race between ext4 buffer write and direct_IO read with dioread_nolock mount option enabled. The problem is that we clear PageWriteback flag during end_io time but will do uninitialized-to-initialized extent conversion later with dioread_nolock. If an O_direct read request comes in during this period, ext4 will return zero instead of the recently written data. This patch checks whether there are any pending uninitialized-to-initialized extent conversion requests before doing O_direct read to close the race. Note that this is just a bandaid fix. The fundamental issue is that we clear PageWriteback flag before we really complete an IO, which is problem-prone. To fix the fundamental issue, we may need to implement an extent tree cache that we can use to look up pending to-be-converted extents. Signed-off-by: Jiaying Zhang <jiayingz@google.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
2011-08-19drm/i915: set GFX_MODE to pre-Ivybridge default value even on IvybridgeJesse Barnes
Prior to Ivybridge, the GFX_MODE would default to 0x800, meaning that MI_FLUSH would flush the TLBs in addition to the rest of the caches indicated in the MI_FLUSH command. However starting with Ivybridge, the register defaults to 0x2800 out of reset, meaning that to invalidate the TLB we need to use PIPE_CONTROL. Since we're not doing that yet, go back to the old default so things work. v2: don't forget to actually *clear* the new bit Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Kenneth Graunke <kenneth@whitecape.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-08-19Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-block: (23 commits) Revert "cfq: Remove special treatment for metadata rqs." block: fix flush machinery for stacking drivers with differring flush flags block: improve rq_affinity placement blktrace: add FLUSH/FUA support Move some REQ flags to the common bio/request area allow blk_flush_policy to return REQ_FSEQ_DATA independent of *FLUSH xen/blkback: Make description more obvious. cfq-iosched: Add documentation about idling block: Make rq_affinity = 1 work as expected block: swim3: fix unterminated of_device_id table block/genhd.c: remove useless cast in diskstats_show() drivers/cdrom/cdrom.c: relax check on dvd manufacturer value drivers/block/drbd/drbd_nl.c: use bitmap_parse instead of __bitmap_parse bsg-lib: add module.h include cfq-iosched: Reduce linked group count upon group destruction blk-throttle: correctly determine sync bio loop: fix deadlock when sysfs and LOOP_CLR_FD race against each other loop: add BLK_DEV_LOOP_MIN_COUNT=%i to allow distros 0 pre-allocated loop devices loop: add management interface for on-demand device allocation loop: replace linked list of allocated devices with an idr index ...
2011-08-19Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: OF: Don't crash when bridge parent is NULL. PCI: export pcie_bus_configure_settings symbol PCI: code and comments cleanup PCI: make cardbus-bridge resources optional PCI: make SRIOV resources optional PCI : ability to relocate assigned pci-resources PCI: honor child buses add_size in hot plug configuration PCI: Set PCI-E Max Payload Size on fabric
2011-08-19PCI: OF: Don't crash when bridge parent is NULL.David Daney
In pcibios_get_phb_of_node(), we will crash while booting if bus->bridge->parent is NULL. Check for this case and avoid dereferencing the NULL pointer. Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-08-19Revert "cfq: Remove special treatment for metadata rqs."Jens Axboe
We have a kernel build regression since 3.1-rc1, which is about 10% regression. The kernel source is in an ext3 filesystem. Alex Shi bisect it to commit: commit a07405b7802691d29ab3b23bdc76ee6d006aad0b Author: Justin TerAvest <teravest@google.com> Date: Sun Jul 10 22:09:19 2011 +0200 cfq: Remove special treatment for metadata rqs. Apparently this is caused by lack metadata preemption, where ext3/ext4 do use READ_META. I didn't see a way to fix the issue, so suggest reverting the patch. This reverts commit a07405b7802691d29ab3b23bdc76ee6d006aad0b. Reported-by: Alex Shi<alex.shi@intel.com> Reported-by: Shaohua Li<shaohua.li@intel.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-08-19ALSA: usb-audio - Fix missing mixer dB informationTakashi Iwai
The recent fix for testing dB range at the mixer creation time seems to cause regressions in some devices. In such devices, reading the dB info at probing time gives an error, thus both dBmin and dBmax are still zero, and TLV flag isn't set although the later read of dB info succeeds. This patch adds a workaround for such a case by assuming that the later read will succeed. In future, a similar test should be performed in a case where a wrong dB range is seen even in the later read. Signed-off-by: Takashi Iwai <tiwai@suse.de> Cc: <stable@kernel.org>
2011-08-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc: fix array bounds error setting up PCIC NMI trap
2011-08-19Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: drivers/ata/sata_dwc_460ex.c: add missing kfree ata: Add iMX pata support pata_via: disable ATAPI DMA on AVERATEC 3200 [libata] sata_sil: fix used-uninit warning
2011-08-19Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4.1: Return NFS4ERR_BADSESSION to callbacks during session resets NFSv4.1: Fix the callback 'highest_used_slotid' behaviour pnfs-obj: Fix the comp_index != 0 case pnfs-obj: Bug when we are running out of bio nfs: add missing prefetch.h include
2011-08-19sparc: fix array bounds error setting up PCIC NMI trapIan Campbell
CC arch/sparc/kernel/pcic.o arch/sparc/kernel/pcic.c: In function 'pcic_probe': arch/sparc/kernel/pcic.c:359:33: error: array subscript is above array bounds [-Werror=array-bounds] arch/sparc/kernel/pcic.c:359:8: error: array subscript is above array bounds [-Werror=array-bounds] arch/sparc/kernel/pcic.c:360:33: error: array subscript is above array bounds [-Werror=array-bounds] arch/sparc/kernel/pcic.c:360:8: error: array subscript is above array bounds [-Werror=array-bounds] arch/sparc/kernel/pcic.c:361:33: error: array subscript is above array bounds [-Werror=array-bounds] arch/sparc/kernel/pcic.c:361:8: error: array subscript is above array bounds [-Werror=array-bounds] cc1: all warnings being treated as errors I'm not particularly familiar with sparc but t_nmi (defined in head_32.S via the TRAP_ENTRY macro) and pcic_nmi_trap_patch (defined in entry.S) both appear to be 4 instructions long and I presume from the usage that instructions are int sized. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-19drivers/ata/sata_dwc_460ex.c: add missing kfreeJulia Lawall
Currently, error handling code in this function calls the function sata_dwc_port_stop, but this function has essentially no effect if hsdevp has not been stored in ap, which is the case throughout this function. The only effect is to print a debugging message including ap->print_id. The code is rewritten to not call sata_dwc_port_stop, but instead to jump to a local label that prints the original error message and the print_id information. In the case where hsdevp has been already allocated (but not yet stored in ap), this value is freed as well. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @exists@ local idexpression x; statement S,S1; expression E; identifier fl; expression *ptr != NULL; @@ x = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...kfree(x)...+> } when any when != true x == NULL x->fl ...> ( if (x == NULL) S1 | if (...) { ... when != x when forall ( return \(0\|<+...x...+>\|ptr\); | * return ...; ) } ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-08-19ata: Add iMX pata supportArnaud Patard (Rtp)
Add basic support for pata on iMX. It has been tested only on imx51. SDMA support will probably be added later so this version supports only PIO. v2: - enable only when needed IORDY - use dev_get_drvdata v3: - add missing clk_put() calls - use platform_get_irq() - fix resume code to avoid disabling IORDY on resume v4: - Remove EXPERIMENTAL and switch to depends on ARCH_MXC - Use devm_kzalloc() - make clock a must-have - Use only 1 ioremap Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2011-08-19pata_via: disable ATAPI DMA on AVERATEC 3200Tejun Heo
On AVERATEC 3200, pata_via causes memory corruption with ATAPI DMA, which often leads to random kernel oops. The cause of the problem is not well understood yet and only small subset of machines using the controller seem affected. Blacklist ATAPI DMA on the machine. Signed-off-by: Tejun Heo <tj@kernel.org> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=11426 Reported-and-tested-by: Jim Bray <jimsantelmo@gmail.com> Cc: Alan Cox <alan@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-08-19[libata] sata_sil: fix used-uninit warningJeff Garzik
Init 'serror' to silence the following warning: drivers/ata/sata_sil.c: In function ‘sil_interrupt’: drivers/ata/sata_sil.c:453:14: warning: ‘serror’ may be used uninitialized in this function [-Wuninitialized] This is not a 'can never happen' but is nonetheless extremely unlikely. The easiest and cleanest warning fix is simply to init the var, rather than worry about marking the var uninit-ok. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2011-08-18Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: set i_size properly when fallocating and we already btrfs: unlock on error in btrfs_file_llseek() btrfs: btrfs_permission's RO check shouldn't apply to device nodes Btrfs: truncate pages from clone ioctl target range Btrfs: fix uninitialized sync_pending Btrfs: fix wrong free space information btrfs: memory leak in btrfs_add_inode_defrag() Btrfs: use plain page_address() in header fields setget functions Btrfs: forced readonly when btrfs_drop_snapshot() fails Btrfs: check if there is enough space for balancing smarter Btrfs: fix a bug of balance on full multi-disk partitions Btrfs: fix an oops of log replay Btrfs: detect wether a device supports discard Btrfs: force unplugs when switching from high to regular priority bios
2011-08-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: update cifs version to 1.75 [CIFS] possible memory corruption on mount cifs: demote cERROR in build_path_from_dentry to cFYI
2011-08-18Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/iser: Support iSCSI PDU padding IBiser: Fix wrong mask when sizeof (dma_addr_t) > sizeof (unsigned long) IPoIB: Fix possible NULL dereference in ipoib_start_xmit()
2011-08-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6: fat: fat16 support maximum 4GB file/vol size as WinXP or 7. fat: fix utf8 iocharset warning message fat: fix build warning
2011-08-18irqdesc: fix new kernel-doc warningRandy Dunlap
Fix kernel-doc warning in irqdesc.c: Warning(kernel/irq/irqdesc.c:353): No description found for parameter 'owner' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-18i7core_edac: fixed typo in error count calculationMathias Krause
Based on a patch from the PaX Team, found during a clang analysis pass. Signed-off-by: Mathias Krause <minipli@googlemail.com> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: PaX Team <pageexec@freemail.hu> Cc: stable@kernel.org [v2.6.35+] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-18Merge branch 'perf/urgent' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
2011-08-18update cifs version to 1.75Steve French
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-18[CIFS] possible memory corruption on mountSteve French
CIFS cleanup_volume_info_contents() looks like having a memory corruption problem. When UNCip is set to "&vol->UNC[2]" in cifs_parse_mount_options(), it should not be kfree()-ed in cleanup_volume_info_contents(). Introduced in commit b946845a9dc523c759cae2b6a0f6827486c3221a Signed-off-by: J.R. Okajima <hooanon05@yahoo.co.jp> Reviewed-by: Jeff Layton <jlayton@redhat.com> CC: Stable <stable@kernel.org> Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-08-18Merge branch 'btrfs-3.0' into for-linusChris Mason
2011-08-18Btrfs: set i_size properly when fallocating and we alreadyJosef Bacik
xfstests exposed a problem with preallocate when it fallocates a range that already has an extent. We don't set the new i_size properly because we see that we already have an extent. This isn't right and we should update i_size if the space already exists. With this patch we now pass xfstests 075. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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