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cfae5c9bb6
linux/drivers/md
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Chandra Seetharaman cfae5c9bb6 [SCSI] scsi_dh: Use SCSI device handler in dm-multipath 
This patch converts dm-mpath to use scsi device handlers instead of
dm's hardware handlers.

This patch does not add any new functionality. Old behaviors remain and
userspace tools work as is except that arguments supplied with hardware
handler are ignored.

One behavioral exception is: Activation of a path is synchronous in this
patch, opposed to the older behavior of being asynchronous (changed in
patch 07: scsi_dh: Add a single threaded workqueue for initializing a path)

Note: There is no need to get a reference for the device handler module
(as it was done in the dm hardware handler case) here as the reference
is held when the device was first found. Instead we check and make sure
that support for the specified device is present at table load time.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-06-05 09:23:41 -05:00
..
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: kill file_path wrapper 2008-05-24 09:56:09 -07:00
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: 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 block: no need to initialize rq->cmd with blk_get_request 2008-04-29 14:48:55 +02:00
dm-exception-store.c dm: move include files 2008-04-25 13:26:55 +01:00
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: unplug queues in threads 2008-04-25 13:26:57 +01:00
dm-ioctl.c dm ioctl: use uninitialized_var 2008-02-08 02:10:16 +00:00
dm-kcopyd.c dm: unplug queues in threads 2008-04-25 13:26:57 +01:00
dm-linear.c [PATCH] dm: map and endio symbolic return codes 2006-12-08 08:29:09 -08:00
dm-log.c dm: move include files 2008-04-25 13:26:55 +01:00
dm-mpath-hp-sw.c block: no need to initialize rq->cmd with blk_get_request 2008-04-29 14:48:55 +02:00
dm-mpath-rdac.c block: no need to initialize rq->cmd with blk_get_request 2008-04-29 14:48:55 +02:00
dm-mpath.c [SCSI] scsi_dh: Use SCSI device handler in dm-multipath 2008-06-05 09:23:41 -05:00
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: unplug queues in threads 2008-04-25 13:26:57 +01:00
dm-round-robin.c dm: remove duplicate module name from error msgs 2007-07-12 15:01:08 -07:00
dm-snap.c dm: move include files 2008-04-25 13:26:55 +01:00
dm-snap.h dm kcopyd: clean interface 2008-04-25 13:26:44 +01:00
dm-stripe.c dm: stripe enhanced status return 2008-02-08 02:11:24 +00:00
dm-table.c dm: use unlocked variants of queue flag check/set 2008-04-29 10:21:12 -07:00
dm-target.c dm: use kzalloc 2007-10-20 02:01:07 +01:00
dm-uevent.c md: replace remaining __FUNCTION__ occurrences 2008-04-28 08:58:42 -07:00
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: remove md argument from specific_minor 2008-04-25 13:27:02 +01:00
dm.h dm: expose macros 2008-04-25 13:26:53 +01:00
faulty.c md: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
Kconfig [SCSI] scsi_dh: Use SCSI device handler in dm-multipath 2008-06-05 09:23:41 -05:00
linear.c Remove blkdev warning triggered by using md 2008-05-14 19:11:15 -07:00
Makefile dm: move include files 2008-04-25 13:26:55 +01:00
md.c md: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
mktables.c md: raid6: Fix mktable.c 2008-02-06 10:41:18 -08:00
multipath.c md: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
raid0.c Remove blkdev warning triggered by using md 2008-05-14 19:11:15 -07:00
raid1.c md: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
raid5.c md: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
raid6.h [PATCH] RAID6 Altivec fix 2005-09-17 11:49:58 -07:00
raid6algos.c drivers/md: use time_before, time_before_eq, etc 2008-04-28 08:58:42 -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: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
unroll.pl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00