NeilBrown 1c830532f6 md: fix possible raid1/raid10 deadlock on read error during resync ...

Thanks to K.Tanaka and the scsi fault injection framework, here is a fix for
another possible deadlock in raid1/raid10 error handing.

If a read request returns an error while a resync is happening and a resync
request is pending, the attempt to fix the error will block until the resync
progresses, and the resync will block until the read request completes.  Thus
a deadlock.

This patch fixes the problem.

Cc: "K.Tanaka" <k-tanaka@ce.jp.nec.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2008-03-04 16:35:18 -08:00

..

raid6test

md: raid6: clean up the style of raid6test/test.c

2008-02-06 10:41:18 -08:00

.gitignore

gitignore: misc files

2006-01-01 22:21:50 +01:00

bitmap.c

md: reduce CPU wastage on idle md array with a write-intent bitmap

2008-03-04 16:35:17 -08:00

dm-bio-list.h

dm: bio_list macro renaming

2007-10-20 02:01:11 +01:00

dm-bio-record.h

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

dm-crypt.c

dm crypt: use async crypto

2008-02-08 02:11:14 +00:00

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

Drop 'size' argument from bio_endio and bi_end_io

2007-10-10 09:25:57 +02:00

dm-io.h

dm io: remove old interface

2007-05-09 12:30:47 -07:00

dm-ioctl.c

dm ioctl: use uninitialized_var

2008-02-08 02:10:16 +00:00

dm-linear.c

[PATCH] dm: map and endio symbolic return codes

2006-12-08 08:29:09 -08:00

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

[PATCH] struct path: rename DM's struct path

2006-12-08 08:28:40 -08:00

dm-path-selector.c

dm: use kzalloc

2007-10-20 02:01:07 +01:00

dm-path-selector.h

[PATCH] struct path: rename DM's struct path

2006-12-08 08:28:40 -08:00

dm-raid1.c

dm-raid1.c: fix NULL dereferences

2008-02-19 15:52:27 -08:00

dm-round-robin.c

dm: remove duplicate module name from error msgs

2007-07-12 15:01:08 -07:00

dm-snap.c

dm snapshot: combine consecutive exceptions in memory

2008-02-08 02:11:27 +00:00

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

Drop 'size' argument from bio_endio and bi_end_io

2007-10-10 09:25:57 +02:00

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

kcopyd use mutex instead of semaphore

2007-10-20 02:01:08 +01:00

kcopyd.h

Linux-2.6.12-rc2

2005-04-16 15:20:36 -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: lock access to rdev attributes properly

2008-03-04 16:35:18 -08:00

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: fix an occasional deadlock in raid5

2008-02-06 10:41:19 -08:00

raid6.h

[PATCH] RAID6 Altivec fix

2005-09-17 11:49:58 -07:00

raid6algos.c

x86 merge fallout: uml

2007-10-29 07:41:32 -07:00

raid6altivec.uc

[PATCH] RAID6 Altivec fix

2005-09-17 11:49:58 -07:00

raid6int.uc

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

raid6mmx.c

x86 merge fallout: uml

2007-10-29 07:41:32 -07:00

raid6recov.c

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00

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: fix possible raid1/raid10 deadlock on read error during resync

2008-03-04 16:35:18 -08:00

unroll.pl

Linux-2.6.12-rc2

2005-04-16 15:20:36 -07:00