alistair23-linux/drivers/md
Dave Wysochanski fe97e2aa05 dm mpath: hp retry if not ready
This patch adds retries to the hp hardware handler, and utilizes the
MP_RETRY flag of dm-multipath.  For now in the hp handler, if we get a
pg_init completed with a check condition we just assume we can retry the
pg_init command.  We make this assumption because of incomplete data on
specific check condition code of the HP hardware, and because testing
has shown the HP path initialization command to be idempotent.
The number of times we retry is settable via the "pg_init_retries"
multipath map feature.

Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Acked-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2007-10-20 02:01:20 +01:00
..
raid6test
.gitignore
bitmap.c md: change bitmap_unplug and others to void functions 2007-07-17 10:23:15 -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: tidy labels 2007-10-20 02:01:17 +01:00
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: fix memory leak in dm_create_persistent() when starting metadata update thread fails 2007-07-18 08:38:22 -07:00
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 io:ctl remove vmalloc void cast 2007-10-20 02:01:10 +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 log: fix resume failed log device 2007-05-09 12:30:48 -07:00
dm-log.h [PATCH] dm: log: rename complete_resync_work 2006-12-08 08:29:09 -08:00
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 retry pg init 2007-10-20 02:01:18 +01:00
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: use is_power_of_2 2007-10-20 02:01:06 +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: use is_power_of_2 2007-10-20 02:01:06 +01:00
dm-snap.h dm: use kmem_cache macro 2007-07-12 15:01:08 -07:00
dm-stripe.c dm: use is_power_of_2 2007-10-20 02:01:06 +01:00
dm-table.c dm: use kzalloc 2007-10-20 02:01:07 +01:00
dm-target.c dm: use kzalloc 2007-10-20 02:01:07 +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: tidy bio_io_error usage 2007-10-20 02:01:09 +01:00
dm.h block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
faulty.c Drop 'size' argument from bio_endio and bi_end_io 2007-10-10 09:25:57 +02:00
Kconfig dm mpath: add hp handler 2007-10-20 02:01:19 +01:00
kcopyd.c kcopyd use mutex instead of semaphore 2007-10-20 02:01:08 +01:00
kcopyd.h
linear.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
Makefile dm mpath: add hp handler 2007-10-20 02:01:19 +01:00
md.c Use helpers to obtain task pid in printks 2007-10-19 11:53:43 -07:00
mktables.c
multipath.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
raid0.c md: fix a bug in some never-used code. 2007-10-17 08:43:03 -07:00
raid1.c md: make sure read errors are auto-corrected during a 'check' resync in raid1 2007-10-17 08:43:03 -07:00
raid5.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
raid6.h
raid6algos.c
raid6altivec.uc
raid6int.uc
raid6mmx.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6recov.c
raid6sse1.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6sse2.c [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid6x86.h [PATCH] md: RAID6: clean up CPUID and FPU enter/exit code 2007-03-01 14:53:36 -08:00
raid10.c block: convert blkdev_issue_flush() to use empty barriers 2007-10-16 11:05:02 +02:00
unroll.pl