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kernel_optimize_test/drivers/md
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Shaohua Li 32f9f570d0 MD: ignore discard request for hard disks of hybid raid1/raid10 array 
In SSD/hard disk hybid storage, discard request should be ignored for hard
disk. We used to be doing this way, but the unplug path forgets it.

This is suitable for stable tree since v3.6.

Cc: stable@vger.kernel.org
Reported-and-tested-by: Markus <M4rkusXXL@web.de>
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
2013-04-30 14:49:36 +10:00
..
persistent-data dm thin: fix discard corruption 2013-03-20 17:21:24 +00:00
bitmap.c md: use set_bit_le and clear_bit_le 2013-04-24 11:42:41 +10:00
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: add cache target 2013-03-01 22:45:51 +00:00
dm-bio-prison.h dm: add cache target 2013-03-01 22:45:51 +00:00
dm-bio-record.h
dm-bufio.c dm verity: avoid deadlock 2013-03-20 17:21:25 +00:00
dm-bufio.h dm bufio: prefetch 2012-03-28 18:41:29 +01:00
dm-cache-block-types.h dm: add cache target 2013-03-01 22:45:51 +00:00
dm-cache-metadata.c dm cache: policy ignore hints if generated by different version 2013-03-20 17:21:28 +00:00
dm-cache-metadata.h dm cache: policy ignore hints if generated by different version 2013-03-20 17:21:28 +00:00
dm-cache-policy-cleaner.c dm cache: policy change version from string to integer set 2013-03-20 17:21:27 +00:00
dm-cache-policy-internal.h dm cache: policy change version from string to integer set 2013-03-20 17:21:27 +00:00
dm-cache-policy-mq.c dm cache: policy change version from string to integer set 2013-03-20 17:21:27 +00:00
dm-cache-policy.c dm cache: policy change version from string to integer set 2013-03-20 17:21:27 +00:00
dm-cache-policy.h dm cache: policy change version from string to integer set 2013-03-20 17:21:27 +00:00
dm-cache-target.c dm cache: reduce bio front_pad size in writeback mode 2013-04-05 15:36:34 +01:00
dm-crypt.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm-delay.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm-exception-store.c dm: replace simple_strtoul 2012-07-27 15:07:59 +01:00
dm-exception-store.h
dm-flakey.c dm: rename request variables to bios 2013-03-01 22:45:47 +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: allow message to return data 2013-03-01 22:45:49 +00:00
dm-kcopyd.c dm kcopyd: introduce configurable throttling 2013-03-01 22:45:49 +00:00
dm-linear.c dm: rename request variables to bios 2013-03-01 22:45:47 +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: rename request variables to bios 2013-03-01 22:45:47 +00:00
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-raid.c DM RAID: Add message/status support for changing sync action 2013-04-24 11:42:43 +10:00
dm-raid1.c dm kcopyd: introduce configurable throttling 2013-03-01 22:45:49 +00:00
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 kcopyd: introduce configurable throttling 2013-03-01 22:45:49 +00:00
dm-stripe.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm-sysfs.c
dm-table.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm-target.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm-thin-metadata.c dm persistent data: set some btree fn parms const 2013-03-01 22:45:47 +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 non power of two discard granularity calc 2013-03-20 17:21:25 +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 verity: avoid deadlock 2013-03-20 17:21:25 +00:00
dm-zero.c dm: rename request variables to bios 2013-03-01 22:45:47 +00:00
dm.c Revert "block: add missing block_bio_complete() tracepoint" 2013-04-18 09:00:26 -07:00
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 md updates for 3.9 2013-03-05 17:22:08 -08:00
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 cache: add cleaner policy 2013-03-01 22:45:52 +00:00
md.c md: bad block list should default to disabled. 2013-04-30 14:49:32 +10:00
md.h MD: Export 'md_reap_sync_thread' function 2013-04-24 11:42:43 +10:00
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
raid1.c MD: ignore discard request for hard disks of hybid raid1/raid10 array 2013-04-30 14:49:36 +10:00
raid1.h md/raid1: prevent merging too large request 2012-07-31 10:03:53 +10:00
raid5.c md/raid5: avoid an extra write when writing to a known-bad-block. 2013-04-24 11:42:42 +10:00
raid5.h md: remove CONFIG_MULTICORE_RAID456 entirely 2013-03-20 13:21:14 +11:00
raid10.c MD: ignore discard request for hard disks of hybid raid1/raid10 array 2013-04-30 14:49:36 +10:00
raid10.h MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1) 2013-02-26 11:55:30 +11:00
raid0.c md/raid0: improve error message when converting RAID4-with-spares to RAID0 2013-02-26 11:58:44 +11:00
raid0.h md: add proper merge_bvec handling to RAID0 and Linear. 2012-03-19 12:46:39 +11:00