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linux/drivers/md
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NeilBrown 17999be4aa [PATCH] md: improve raid1 "IO Barrier" concept 
raid1 needs to put up a barrier to new requests while it does resync or other
background recovery.  The code for this is currently open-coded, slighty
obscure by its use of two waitqueues, and not documented.

This patch gathers all the related code into 4 functions, and includes a
comment which (hopefully) explains what is happening.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-06 08:34:01 -08:00
..
raid6test [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
.gitignore gitignore: misc files 2006-01-01 22:21:50 +01:00
bitmap.c [PATCH] md: don't pass a NULL file* into ->prepare_write() 2005-11-18 07:49:46 -08:00
dm-bio-list.h [PATCH] device-mapper snapshot: bio_list fix 2005-11-22 09:14:31 -08:00
dm-bio-record.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-crypt.c [PATCH] dm-crypt: zero key before freeing it 2006-01-06 08:34:01 -08:00
dm-emc.c [PATCH] device-mapper dm-emc: Fix a memset 2005-05-05 16:36:46 -07:00
dm-exception-store.c [PATCH] vfree and kfree cleanup in drivers/ 2005-09-10 10:06:30 -07:00
dm-hw-handler.c [PATCH] device-mapper: Some missing statics 2005-05-05 16:36:46 -07:00
dm-hw-handler.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-io.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
dm-io.h [PATCH] device-mapper: remove unused definition 2006-01-06 08:34:00 -08:00
dm-ioctl.c [PATCH] device-mapper ioctl: add skip lock_fs flag 2006-01-06 08:34:01 -08:00
dm-linear.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-log.c [PATCH] make dm-mirror not issue invalid resync requests 2006-01-06 08:34:01 -08:00
dm-log.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-mpath.c [PATCH] device-mapper dm-mpath: endio spinlock fix 2005-11-22 09:14:31 -08:00
dm-mpath.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-path-selector.c [PATCH] device-mapper: Some missing statics 2005-05-05 16:36:46 -07:00
dm-path-selector.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-raid1.c [PATCH] device-mapper raid1: add default mirror 2006-01-06 08:34:00 -08:00
dm-round-robin.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-snap.c [PATCH] device-mapper snapshot: metadata reading separation 2006-01-06 08:34:00 -08:00
dm-snap.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-stripe.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-table.c [SCSI] seperate max_sectors from max_hw_sectors 2005-12-15 15:11:40 -08:00
dm-target.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dm-zero.c [PATCH] device-mapper: Some missing statics 2005-05-05 16:36:46 -07:00
dm.c [PATCH] device-mapper: make lock_fs optional 2006-01-06 08:34:01 -08:00
dm.h [PATCH] device-mapper: make lock_fs optional 2006-01-06 08:34:01 -08:00
faulty.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
kcopyd.c [PATCH] drivers/md/kcopyd.c: #if 0 kcopyd_cancel() 2006-01-06 08:34:01 -08:00
kcopyd.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
linear.c [BLOCK] Unify the seperate read/write io stat fields into arrays 2005-11-01 09:26:16 +01:00
Makefile [PATCH] md: optimised resync using Bitmap based intent logging 2005-06-21 19:07:43 -07:00
md.c [PATCH] md: Change case of raid level reported in sys/mdX/md/level 2005-12-19 16:47:50 -08:00
mktables.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
multipath.c [PATCH] md: convert 'faulty' and 'in_sync' fields to bits in 'flags' field 2005-11-09 07:56:38 -08:00
raid0.c [BLOCK] Unify the seperate read/write io stat fields into arrays 2005-11-01 09:26:16 +01:00
raid1.c [PATCH] md: improve raid1 "IO Barrier" concept 2006-01-06 08:34:01 -08:00
raid5.c [PATCH] md: use correct size of raid5 stripe cache when measuring how full it is 2005-12-12 09:06:04 -08:00
raid6.h [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6algos.c [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -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
raid6main.c [PATCH] md: fix --re-add for raid1 and raid6 2005-11-28 14:42:26 -08:00
raid6mmx.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6recov.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6sse1.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6sse2.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid6x86.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
raid10.c [PATCH] md: improve read speed to raid10 arrays using 'far copies' 2005-11-28 14:42:25 -08:00
unroll.pl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xor.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00