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c8dc9c6547
linux/drivers/md
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Joe Lawrence c8dc9c6547 md: raid1,10: Handle REQ_WRITE_SAME flag in write bios 
Set mddev queue's max_write_same_sectors to its chunk_sector value (before
disk_stack_limits merges the underlying disk limits.)  With that in place,
be sure to handle writes coming down from the block layer that have the
REQ_WRITE_SAME flag set.  That flag needs to be copied into any newly cloned
write bio.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2013-02-26 11:55:21 +11:00
..
persistent-data Miscellaneous device-mapper fixes, cleanups and performance improvements. 2012-12-21 17:08:06 -08:00
bitmap.c md/bitmap:Don't use IS_ERR to judge alloc_page(). 2012-10-11 13:45:36 +11:00
bitmap.h md/bitmap: record the space available for the bitmap in the superblock. 2012-05-22 13:55:34 +10:00
dm-bio-prison.c dm thin: replace dm_cell_release_singleton with cell_defer_except 2012-12-21 20:23:31 +00:00
dm-bio-prison.h dm thin: replace dm_cell_release_singleton with cell_defer_except 2012-12-21 20:23:31 +00:00
dm-bio-record.h
dm-bufio.c dm: use ACCESS_ONCE for sysfs values 2012-10-12 16:59:46 +01:00
dm-bufio.h dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-crypt.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-delay.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-exception-store.c dm: replace simple_strtoul 2012-07-27 15:07:59 +01:00
dm-exception-store.h dm snapshot: test chunk size against both origin and snapshot 2010-08-12 04:13:51 +01:00
dm-flakey.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-io.c dm kcopyd: add WRITE SAME support to dm_kcopyd_zero 2012-12-21 20:23:37 +00:00
dm-ioctl.c dm ioctl: use kmalloc if possible 2012-12-21 20:23:36 +00:00
dm-kcopyd.c dm kcopyd: add WRITE SAME support to dm_kcopyd_zero 2012-12-21 20:23:37 +00:00
dm-linear.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-log-userspace-base.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
dm-log-userspace-transfer.c connector/userns: replace netlink uses of cap_raised() with capable() 2012-05-10 23:21:39 -04:00
dm-log-userspace-transfer.h
dm-log.c dm: use memweight() 2012-07-30 17:25:16 -07:00
dm-mpath.c dm mpath: fix check for null mpio in end_io fn 2012-10-12 16:59:42 +01:00
dm-mpath.h
dm-path-selector.c md: Add module.h to all files using it implicitly 2011-10-31 19:31:18 -04:00
dm-path-selector.h
dm-queue-length.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-raid1.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-raid.c DM-RAID: Fix RAID10's check for sufficient redundancy 2013-01-24 12:02:36 +11:00
dm-region-hash.c dm raid1: fix crash with mirror recovery and discard 2012-07-20 14:25:03 +01:00
dm-round-robin.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-service-time.c dm: reject trailing characters in sccanf input 2012-03-28 18:41:26 +01:00
dm-snap-persistent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap-transient.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-snap.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-stripe.c dm stripe: add WRITE SAME support 2012-12-21 20:23:41 +00:00
dm-sysfs.c
dm-table.c dm: introduce per_bio_data 2012-12-21 20:23:38 +00:00
dm-target.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-thin-metadata.c dm persistent data: fix nested btree deletion 2012-12-21 20:23:32 +00:00
dm-thin-metadata.h dm thin metadata: introduce dm_pool_abort_metadata 2012-07-27 15:08:15 +01:00
dm-thin.c dm thin: fix queue limits stacking 2013-01-31 14:11:14 +00:00
dm-uevent.c md: Add in export.h for files using EXPORT_SYMBOL 2011-10-31 19:31:19 -04:00
dm-uevent.h
dm-verity.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm-zero.c dm: remove map_info 2012-12-21 20:23:41 +00:00
dm.c dm: fix write same requests counting 2013-01-31 14:23:36 +00:00
dm.h dm: introduce per_bio_data 2012-12-21 20:23:38 +00:00
faulty.c md faulty: use disk_stack_limits() 2012-10-22 10:44:55 +11:00
Kconfig dm thin: move bio_prison code to separate module 2012-10-12 21:02:13 +01:00
linear.c md: linear supports TRIM 2012-10-11 13:08:44 +11:00
linear.h md/linear: typedef removal: linear_conf_t -> struct linear_conf 2011-10-11 16:48:54 +11:00
Makefile dm thin: move bio_prison code to separate module 2012-10-12 21:02:13 +01:00
md.c md: protect against crash upon fsync on ro array 2013-02-21 13:28:09 +11:00
md.h md update for 3.8 2012-12-18 09:32:44 -08:00
multipath.c MD: change the parameter of md thread 2012-10-11 13:34:00 +11:00
multipath.h md/multipath: typedef removal: multipath_conf_t -> struct mpconf 2011-10-11 16:48:57 +11:00
raid0.c md: raid 0 supports TRIM 2012-10-11 13:25:44 +11:00
raid0.h md: add proper merge_bvec handling to RAID0 and Linear. 2012-03-19 12:46:39 +11:00
raid1.c md: raid1,10: Handle REQ_WRITE_SAME flag in write bios 2013-02-26 11:55:21 +11:00
raid1.h md/raid1: prevent merging too large request 2012-07-31 10:03:53 +10:00
raid5.c md update for 3.8 2012-12-18 09:32:44 -08:00
raid5.h MD: raid5 trim support 2012-10-11 13:49:05 +11:00
raid10.c md: raid1,10: Handle REQ_WRITE_SAME flag in write bios 2013-02-26 11:55:21 +11:00
raid10.h md/raid10: fix problem with on-stack allocation of r10bio structure. 2012-08-18 09:51:42 +10:00