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a25eb9446a
linux_dsm_epyc7002/drivers/md
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Brian Wood a25eb9446a dm: stripe trigger event on failure 
This patch adds the stripe_end_io function to process errors that might
occur after an IO operation. As part of this there are a number of
enhancements made to record and trigger events:

- New atomic variable in struct stripe to record the number of
errors each stripe volume device has experienced (could be used
later with uevents to report back directly to userspace)

- New workqueue/work struct setup to process the trigger_event function

- New end_io function. It is here that testing for BIO error conditions
take place. It determines the exact stripe that cause the error,
records this in the new atomic variable, and calls the queue_work() function

- New trigger_event function to process failure events. This
calls dm_table_event()

Signed-off-by: Brian Wood <brian.j.wood@intel.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2008-02-08 02:11:22 +00:00
..
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: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -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: add mirror_set to struct mirror 2007-10-20 02:01:22 +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 snapshot: use rounddown_pow_of_two 2008-02-08 02:10:06 +00:00
dm-snap.h dm: use kmem_cache macro 2007-07-12 15:01:08 -07:00
dm-stripe.c dm: stripe trigger event on failure 2008-02-08 02:11:22 +00:00
dm-table.c dm: table use uninitialized_var 2008-02-08 02:10:14 +00:00
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: change ITERATE_RDEV_GENERIC to rdev_for_each_list, and remove ITERATE_RDEV_PENDING. 2008-02-06 10:41:19 -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: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -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: change ITERATE_RDEV to rdev_for_each 2008-02-06 10:41:19 -08:00
unroll.pl Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00