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linux/drivers/md
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Dan Williams bd2ab67030 md: close a livelock window in handle_parity_checks5 
If a failure is detected after a parity check operation has been initiated,
but before it completes handle_parity_checks5 will never quiesce operations on
the stripe.

Explicitly handle this case by "canceling" the parity check, i.e.  clear the
STRIPE_OP_CHECK flags and queue the stripe on the handle list again to refresh
any non-uptodate blocks.

Kernel versions >= 2.6.23 are susceptible.

Cc: <stable@kernel.org>
Cc: NeilBrown <neilb@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-11 08:06:44 -07:00
..
raid6test md: raid6: clean up the style of raid6test/test.c 2008-02-06 10:41:18 -08:00
.gitignore
bitmap.c md: reduce CPU wastage on idle md array with a write-intent bitmap 2008-03-10 18:01:19 -07:00
dm-bio-list.h dm: bio_list macro renaming 2007-10-20 02:01:11 +01:00
dm-bio-record.h
dm-crypt.c dm crypt: fix ctx pending 2008-03-28 14:45:22 -07:00
dm-delay.c dm: bio_list macro renaming 2007-10-20 02:01:11 +01:00
dm-emc.c dm mpath: emc fix an error message 2007-10-20 02:01:12 +01:00
dm-exception-store.c dm snapshot: use uninitialized_var 2008-02-08 02:10:11 +00:00
dm-hw-handler.c dm: use kzalloc 2007-10-20 02:01:07 +01:00
dm-hw-handler.h dm mpath: add retry pg init 2007-10-20 02:01:18 +01:00
dm-io.c dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
dm-io.h
dm-ioctl.c dm ioctl: use uninitialized_var 2008-02-08 02:10:16 +00:00
dm-linear.c
dm-log.c dm log: auto load modules 2008-02-08 02:11:19 +00:00
dm-log.h dm log: split suspend 2007-10-20 02:01:21 +01:00
dm-mpath-hp-sw.c dm mpath: hp retry if not ready 2007-10-20 02:01:20 +01:00
dm-mpath-rdac.c dm mpath: rdac fix init race 2007-10-20 02:00:57 +01:00
dm-mpath.c dm mpath: add missing static 2008-02-08 02:10:35 +00:00
dm-mpath.h
dm-path-selector.c dm: use kzalloc 2007-10-20 02:01:07 +01:00
dm-path-selector.h
dm-raid1.c dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
dm-round-robin.c
dm-snap.c dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
dm-snap.h dm snapshot: combine consecutive exceptions in memory 2008-02-08 02:11:27 +00:00
dm-stripe.c dm: stripe enhanced status return 2008-02-08 02:11:24 +00:00
dm-table.c Introduce path_put() 2008-02-14 21:13:33 -08:00
dm-target.c dm: use kzalloc 2007-10-20 02:01:07 +01:00
dm-uevent.c dm: uevent generate events 2007-10-20 02:01:26 +01:00
dm-uevent.h dm: uevent generate events 2007-10-20 02:01:26 +01:00
dm-zero.c
dm.c dm: move deferred bio flushing to workqueue 2008-02-08 02:11:17 +00:00
dm.h dm: trigger change uevent on rename 2007-12-20 17:32:11 +00:00
faulty.c md: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
Kconfig dm: targets no longer experimental 2008-02-08 02:10:32 +00:00
kcopyd.c dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
kcopyd.h dm io: write error bits form long not int 2008-03-28 14:45:23 -07:00
linear.c md: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
Makefile dm: add uevent to core 2007-10-20 02:01:24 +01:00
md.c md: remove the 'super' sysfs attribute from devices in an 'md' array 2008-03-19 18:53:35 -07:00
mktables.c md: raid6: Fix mktable.c 2008-02-06 10:41:18 -08:00
multipath.c md: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
raid0.c md: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
raid1.c md: fix possible raid1/raid10 deadlock on read error during resync 2008-03-04 16:35:18 -08:00
raid5.c md: close a livelock window in handle_parity_checks5 2008-04-11 08:06:44 -07:00
raid6.h
raid6algos.c x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
raid6altivec.uc
raid6int.uc
raid6mmx.c x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
raid6recov.c
raid6sse1.c x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
raid6sse2.c x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
raid6x86.h x86 merge fallout: uml 2007-10-29 07:41:32 -07:00
raid10.c md: the md RAID10 resync thread could cause a md RAID10 array deadlock 2008-03-04 16:35:18 -08:00
unroll.pl