linux/drivers/md
Linus Torvalds 7a771ceac7 - Fix dm-raid transient device failure processing and other smaller
tweaks.
 
 - Add journal support to the DM raid target to close the 'write hole' on
   raid 4/5/6.
 
 - Fix dm-cache corruption, due to rounding bug, when cache exceeds 2TB.
 
 - Add 'metadata2' feature to dm-cache to separate the dirty bitset out
   from other cache metadata.  This improves speed of shutting down
   a large cache device (which implies writing out dirty bits).
 
 - Fix a memory leak during dm-stats data structure destruction.
 
 - Fix a DM multipath round-robin path selector performance regression
   that was caused by less precise balancing across all paths.
 
 - Lastly, introduce a DM core fix for a long-standing DM snapshot
   deadlock that is rooted in the complexity of the device stack used in
   conjunction with block core maintaining bios on current->bio_list to
   manage recursion in generic_make_request().  A more comprehensive fix
   to block core (and its hook in the cpu scheduler) would be wonderful
   but this DM-specific fix is pragmatic considering how difficult it has
   been to make progress on a generic fix.
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Merge tag 'dm-4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Fix dm-raid transient device failure processing and other smaller
   tweaks.

 - Add journal support to the DM raid target to close the 'write hole'
   on raid 4/5/6.

 - Fix dm-cache corruption, due to rounding bug, when cache exceeds 2TB.

 - Add 'metadata2' feature to dm-cache to separate the dirty bitset out
   from other cache metadata. This improves speed of shutting down a
   large cache device (which implies writing out dirty bits).

 - Fix a memory leak during dm-stats data structure destruction.

 - Fix a DM multipath round-robin path selector performance regression
   that was caused by less precise balancing across all paths.

 - Lastly, introduce a DM core fix for a long-standing DM snapshot
   deadlock that is rooted in the complexity of the device stack used in
   conjunction with block core maintaining bios on current->bio_list to
   manage recursion in generic_make_request(). A more comprehensive fix
   to block core (and its hook in the cpu scheduler) would be wonderful
   but this DM-specific fix is pragmatic considering how difficult it
   has been to make progress on a generic fix.

* tag 'dm-4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits)
  dm: flush queued bios when process blocks to avoid deadlock
  dm round robin: revert "use percpu 'repeat_count' and 'current_path'"
  dm stats: fix a leaked s->histogram_boundaries array
  dm space map metadata: constify dm_space_map structures
  dm cache metadata: use cursor api in blocks_are_clean_separate_dirty()
  dm persistent data: add cursor skip functions to the cursor APIs
  dm cache metadata: use dm_bitset_new() to create the dirty bitset in format 2
  dm bitset: add dm_bitset_new()
  dm cache metadata: name the cache block that couldn't be loaded
  dm cache metadata: add "metadata2" feature
  dm cache metadata: use bitset cursor api to load discard bitset
  dm bitset: introduce cursor api
  dm btree: use GFP_NOFS in dm_btree_del()
  dm space map common: memcpy the disk root to ensure it's arch aligned
  dm block manager: add unlikely() annotations on dm_bufio error paths
  dm cache: fix corruption seen when using cache > 2TB
  dm raid: cleanup awkward branching in raid_message() option processing
  dm raid: use mddev rather than rdev->mddev
  dm raid: use read_disk_sb() throughout
  dm raid: add raid4/5/6 journaling support
  ...
2017-02-21 12:11:41 -08:00
..
bcache block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
persistent-data - Fix dm-raid transient device failure processing and other smaller 2017-02-21 12:11:41 -08:00
bitmap.c md: separate flags for superblock changes 2016-12-08 22:01:47 -08:00
bitmap.h
dm-bio-prison.c
dm-bio-prison.h
dm-bio-record.h
dm-bufio.c sched/core: Remove set_task_state() 2017-01-14 11:14:16 +01:00
dm-bufio.h
dm-builtin.c
dm-cache-block-types.h linux: drop __bitwise__ everywhere 2016-12-16 00:13:41 +02:00
dm-cache-metadata.c dm cache metadata: use cursor api in blocks_are_clean_separate_dirty() 2017-02-16 13:12:51 -05:00
dm-cache-metadata.h dm cache metadata: add "metadata2" feature 2017-02-16 13:12:47 -05:00
dm-cache-policy-cleaner.c
dm-cache-policy-internal.h
dm-cache-policy-smq.c dm cache policy smq: use hash_32() instead of hash_32_generic() 2016-12-08 19:42:37 -05:00
dm-cache-policy.c
dm-cache-policy.h
dm-cache-target.c - Fix dm-raid transient device failure processing and other smaller 2017-02-21 12:11:41 -08:00
dm-core.h dm: always defer request allocation to the owner of the request_queue 2017-01-27 15:08:35 -07:00
dm-crypt.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-02-20 13:23:30 -08:00
dm-delay.c
dm-era-target.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
dm-exception-store.c
dm-exception-store.h
dm-flakey.c dm flakey: introduce "error_writes" feature 2016-12-13 15:01:31 -05:00
dm-io.c dm io: use bvec iterator helpers to implement .get_page and .next_page 2016-11-21 09:51:57 -05:00
dm-ioctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dm-kcopyd.c
dm-linear.c
dm-log-userspace-base.c
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c
dm-log.c block,fs: use REQ_* flags directly 2016-11-01 09:43:26 -06:00
dm-mpath.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-queue-length.c
dm-raid1.c Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block 2016-12-13 10:19:16 -08:00
dm-raid.c dm raid: cleanup awkward branching in raid_message() option processing 2017-01-25 12:49:07 +01:00
dm-region-hash.c
dm-round-robin.c dm round robin: revert "use percpu 'repeat_count' and 'current_path'" 2017-02-17 00:54:09 -05:00
dm-rq.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
dm-rq.h dm: always defer request allocation to the owner of the request_queue 2017-01-27 15:08:35 -07:00
dm-service-time.c
dm-snap-persistent.c block,fs: use REQ_* flags directly 2016-11-01 09:43:26 -06:00
dm-snap-transient.c
dm-snap.c
dm-stats.c dm stats: fix a leaked s->histogram_boundaries array 2017-02-16 14:17:07 -05:00
dm-stats.h
dm-stripe.c
dm-switch.c
dm-sysfs.c
dm-table.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
dm-target.c dm: always defer request allocation to the owner of the request_queue 2017-01-27 15:08:35 -07:00
dm-thin-metadata.c
dm-thin-metadata.h
dm-thin.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
dm-uevent.c
dm-uevent.h
dm-verity-fec.c
dm-verity-fec.h
dm-verity-target.c dm verity: fix incorrect error message 2016-11-21 09:52:01 -05:00
dm-verity.h
dm-zero.c
dm.c - Fix dm-raid transient device failure processing and other smaller 2017-02-21 12:11:41 -08:00
dm.h dm: always defer request allocation to the owner of the request_queue 2017-01-27 15:08:35 -07:00
faulty.c
Kconfig dm block manager: make block locking optional 2016-11-14 15:17:47 -05:00
linear.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
linear.h
Makefile
md-cluster.c
md-cluster.h
md.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
md.h md: cleanup mddev flag clear for takeover 2017-01-05 11:45:18 -08:00
multipath.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
multipath.h
raid0.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
raid0.h
raid1.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
raid1.h md/raid1: add failfast handling for reads. 2016-11-22 09:13:18 -08:00
raid5-cache.c md/r5cache: disable write back for degraded array 2017-01-24 11:26:06 -08:00
raid5.c Merge branch 'for-4.11/next' into for-4.11/linus-merge 2017-02-17 14:08:19 -07:00
raid5.h md/r5cache: disable write back for degraded array 2017-01-24 11:26:06 -08:00
raid10.c block: Use pointer to backing_dev_info from request_queue 2017-02-02 08:20:48 -07:00
raid10.h md/raid10: add failfast handling for reads. 2016-11-22 09:14:28 -08:00