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linux/drivers/md
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NeilBrown 58e94ae184 md/raid1: close some possible races on write errors during resync 
commit 4367af5561
   md/raid1: clear bad-block record when write succeeds.

Added a 'reschedule_retry' call possibility at the end of
end_sync_write, but didn't add matching code at the end of
sync_request_write.  So if the writes complete very quickly, or
scheduling makes it seem that way, then we can miss rescheduling
the request and the resync could hang.

Also commit 73d5c38a95
    md: avoid races when stopping resync.

Fix a race condition in this same code in end_sync_write but didn't
make the change in sync_request_write.

This patch updates sync_request_write to fix both of those.
Patch is suitable for 3.1 and later kernels.

Reported-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Original-version-by: Alexander Lyakas <alex.bolshoy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2012-07-19 15:59:18 +10:00
..
persistent-data dm persistent data: fix allocation failure in space map checker init 2012-07-03 12:55:37 +01:00
bitmap.c md/bitmap: record the space available for the bitmap in the superblock. 2012-05-22 13:55:34 +10:00
bitmap.h md/bitmap: record the space available for the bitmap in the superblock. 2012-05-22 13:55:34 +10:00
dm-bio-record.h
dm-bufio.c dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-bufio.h dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-crypt.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-delay.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-exception-store.c dm exception store: fix init error path 2012-03-28 18:41:22 +01:00
dm-exception-store.h dm snapshot: test chunk size against both origin and snapshot 2010-08-12 04:13:51 +01:00
dm-flakey.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-io.c dm io: fix discard support 2012-03-07 19:09:37 +00:00
dm-ioctl.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-kcopyd.c dm kcopyd: add dm_kcopyd_zero to zero an area 2011-10-31 20:18:58 +00:00
dm-linear.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-log-userspace-base.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
dm-log-userspace-transfer.c connector/userns: replace netlink uses of cap_raised() with capable() 2012-05-10 23:21:39 -04:00
dm-log-userspace-transfer.h
dm-log.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-mpath.c dm mpath: allow ioctls to trigger pg init 2012-06-03 00:29:58 +01:00
dm-mpath.h
dm-path-selector.c md: Add module.h to all files using it implicitly 2011-10-31 19:31:18 -04:00
dm-path-selector.h
dm-queue-length.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-raid1.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-raid.c DM RAID: Use md_error() in place of simply setting Faulty bit 2012-05-22 13:55:31 +10:00
dm-region-hash.c Fix common misspellings 2011-03-31 11:26:23 -03:00
dm-round-robin.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-service-time.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-snap-persistent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap-transient.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap.c dm snapshot: skip reading origin when overwriting complete chunk 2011-08-02 12:32:04 +01:00
dm-stripe.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-sysfs.c Driver core: Constify struct sysfs_ops in struct kobj_type 2010-03-07 17:04:49 -08:00
dm-table.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-target.c dm: error return error for discards 2010-08-12 04:14:14 +01:00
dm-thin-metadata.c dm thin: provide userspace access to pool metadata 2012-06-03 00:30:01 +01:00
dm-thin-metadata.h dm thin: provide userspace access to pool metadata 2012-06-03 00:30:01 +01:00
dm-thin.c dm thin: commit metadata before creating metadata snapshot 2012-07-03 12:55:31 +01:00
dm-uevent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-uevent.h
dm-verity.c dm: add verity target 2012-03-28 18:43:38 +01:00
dm-zero.c dm: zero silently drop discards 2010-08-12 04:14:12 +01:00
dm.c dm: clear bi_end_io on remapping failure 2012-03-28 18:41:25 +01:00
dm.h dm table: add immutable feature 2011-10-31 20:19:04 +00:00
faulty.c md: tidy up rdev_for_each usage. 2012-03-19 12:46:39 +11:00
Kconfig dm: add verity target 2012-03-28 18:43:38 +01:00
linear.c md/linear: If md_integrity_register() fails, linear_run() must free the mem. 2012-04-02 09:48:37 +10:00
linear.h md/linear: typedef removal: linear_conf_t -> struct linear_conf 2011-10-11 16:48:54 +11:00
Makefile dm: add verity target 2012-03-28 18:43:38 +01:00
md.c md: avoid crash when stopping md array races with closing other open fds. 2012-07-19 15:59:18 +10:00
md.h md/bitmap: add new 'space' attribute for bitmaps. 2012-05-22 13:55:07 +10:00
multipath.c md: make 'name' arg to md_register_thread non-optional. 2012-07-03 15:56:52 +10:00
multipath.h md/multipath: typedef removal: multipath_conf_t -> struct mpconf 2011-10-11 16:48:57 +11:00
raid0.c md: Avoid OOPS when reshaping raid1 to raid0 2012-04-03 15:37:26 +10:00
raid0.h md: add proper merge_bvec handling to RAID0 and Linear. 2012-03-19 12:46:39 +11:00
raid1.c md/raid1: close some possible races on write errors during resync 2012-07-19 15:59:18 +10:00
raid1.h md/raid1: Allocate spare to store replacement devices and their bios. 2011-12-23 10:17:56 +11:00
raid5.c md: fix up plugging (again). 2012-07-03 17:45:31 +10:00
raid5.h raid5: support sync request 2012-05-22 13:55:05 +10:00
raid10.c md/raid10: fix careless build error 2012-07-04 09:35:35 +10:00
raid10.h md/raid10: add reshape support 2012-05-22 13:53:47 +10:00