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88ba2aa586
linux/drivers/md
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Dan Williams 88ba2aa586 async_tx: kill ASYNC_TX_DEP_ACK flag 
In support of inter-channel chaining async_tx utilizes an ack flag to
gate whether a dependent operation can be chained to another.  While the
flag is not set the chain can be considered open for appending.  Setting
the ack flag closes the chain and flags the descriptor for garbage
collection.  The ASYNC_TX_DEP_ACK flag essentially means "close the
chain after adding this dependency".  Since each operation can only have
one child the api now implicitly sets the ack flag at dependency
submission time.  This removes an unnecessary management burden from
clients of the api.

[ Impact: clean up and enforce one dependency per operation ]

Reviewed-by: Andre Noll <maan@systemlinux.org>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2009-06-03 14:07:34 -07:00
..
raid6test md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
.gitignore gitignore: misc files 2006-01-01 22:21:50 +01:00
bitmap.c md: Make mddev->size sector-based. 2009-03-31 14:33:13 +11:00
bitmap.h md: move headers out of include/linux/raid/ 2009-03-31 14:27:03 +11:00
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: consolidate target deregistration error handling 2009-01-06 03:04:58 +00:00
dm-delay.c dm: consolidate target deregistration error handling 2009-01-06 03:04:58 +00:00
dm-exception-store.c dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-exception-store.h dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-io.c block: fix bad definition of BIO_RW_SYNC 2009-02-18 10:32:00 +01:00
dm-ioctl.c dm table: rework reference counting 2009-01-06 03:05:10 +00:00
dm-kcopyd.c block: fix bad definition of BIO_RW_SYNC 2009-02-18 10:32:00 +01:00
dm-linear.c dm: support barriers on simple devices 2009-01-06 03:05:09 +00:00
dm-log.c dm log: ensure log bitmap fits on log device 2009-01-06 03:05:02 +00:00
dm-mpath.c dm mpath: move trigger_event to system workqueue 2009-01-06 03:05:13 +00:00
dm-mpath.h dm mpath: remove is_active from struct dm_path 2008-10-10 13:36:58 +01:00
dm-path-selector.c dm: remove dm header from targets 2008-10-21 17:44:59 +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 log: move region_size validation 2009-01-06 03:05:01 +00:00
dm-region-hash.c dm raid1: separate region_hash interface part1 2008-10-21 17:45:06 +01:00
dm-round-robin.c dm: remove dm header from targets 2008-10-21 17:44:59 +01:00
dm-snap-persistent.c dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-snap-transient.c dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-snap.c dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-snap.h dm snapshot: extend exception store functions 2009-01-06 03:05:19 +00:00
dm-stripe.c dm: consolidate target deregistration error handling 2009-01-06 03:04:58 +00:00
dm-sysfs.c dm: add name and uuid to sysfs 2009-01-06 03:05:12 +00:00
dm-table.c dm table: rework reference counting 2009-01-06 03:05:10 +00:00
dm-target.c dm: consolidate target deregistration error handling 2009-01-06 03:04:58 +00:00
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 dm: consolidate target deregistration error handling 2009-01-06 03:04:58 +00:00
dm.c dm: add name and uuid to sysfs 2009-01-06 03:05:12 +00:00
dm.h dm: add name and uuid to sysfs 2009-01-06 03:05:12 +00:00
faulty.c md: centralize ->array_sectors modifications 2009-03-31 14:59:03 +11:00
Kconfig md: remove CONFIG_MD_RAID_RESHAPE config option. 2009-03-31 15:27:05 +11:00
linear.c md: centralize ->array_sectors modifications 2009-03-31 14:59:03 +11:00
linear.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
Makefile md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
md.c Merge branch 'dmaengine' into async-tx-raid6 2009-04-08 14:28:13 -07:00
md.h md: add explicit method to signal the end of a reshape. 2009-03-31 15:15:05 +11:00
mktables.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
multipath.c md: centralize ->array_sectors modifications 2009-03-31 14:59:03 +11:00
multipath.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
raid0.c md: 'array_size' sysfs attribute 2009-03-31 15:00:31 +11:00
raid0.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
raid1.c md: 'array_size' sysfs attribute 2009-03-31 15:00:31 +11:00
raid1.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
raid5.c async_tx: kill ASYNC_TX_DEP_ACK flag 2009-06-03 14:07:34 -07:00
raid5.h md/raid5 revise rules for when to update metadata during reshape 2009-03-31 15:28:40 +11:00
raid6algos.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6altivec.uc md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6int.uc md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6mmx.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6recov.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6sse1.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6sse2.c md/raid6: move raid6 data processing to raid6_pq.ko 2009-03-31 15:09:39 +11:00
raid6x86.h md: fix typo in FSF address 2009-03-31 14:57:37 +11:00
raid10.c md: 'array_size' sysfs attribute 2009-03-31 15:00:31 +11:00
raid10.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
unroll.pl