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70d9798b95
linux/drivers/md
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Shaohua Li 70d9798b95 MD: warn for potential deadlock 
The personality thread shouldn't call mddev_suspend(). Because
mddev_suspend() will for all IO finish, but IO is handled in personality
thread, so this could cause deadlock. To trigger this early, add a
warning if mddev_suspend() is called from personality thread.

Suggested-by: NeilBrown <neilb@suse.com>
Cc: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2016-02-26 09:44:57 -08:00
..
bcache Merge branch 'for-4.5/drivers' of git://git.kernel.dk/linux-block 2016-01-21 18:19:38 -08:00
persistent-data dm space map metadata: remove unused variable in brb_pop() 2015-12-14 09:26:01 -05:00
bitmap.c md-cluster: delete useless code 2016-01-24 18:13:37 -08:00
bitmap.h md-cluster: Use a small window for resync 2015-10-12 01:32:05 -05:00
dm-bio-prison.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
dm-bio-prison.h dm bio prison: add dm_cell_promote_or_release() 2015-05-29 14:19:06 -04:00
dm-bio-record.h dm: Refactor for new bio cloning/splitting 2013-11-23 22:33:55 -08:00
dm-bufio.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-01-12 17:11:47 -08:00
dm-bufio.h dm snapshot: use dm-bufio prefetch 2014-01-14 23:23:03 -05:00
dm-builtin.c dm sysfs: fix a module unload race 2014-01-14 23:23:04 -05:00
dm-cache-block-types.h dm cache: revert "remove remainder of distinct discard block size" 2014-11-10 15:25:30 -05:00
dm-cache-metadata.c - Revert a dm-multipath change that caused a regression for unprivledged 2015-11-04 21:19:53 -08:00
dm-cache-metadata.h dm cache: add fail io mode and needs_check flag 2015-06-11 17:13:00 -04:00
dm-cache-policy-cleaner.c - Revert a dm-multipath change that caused a regression for unprivledged 2015-11-04 21:19:53 -08:00
dm-cache-policy-internal.h dm cache: age and write back cache entries even without active IO 2015-06-11 17:13:01 -04:00
dm-cache-policy-mq.c dm: convert ffs to __ffs 2015-10-31 19:06:01 -04:00
dm-cache-policy-smq.c dm: convert ffs to __ffs 2015-10-31 19:06:01 -04:00
dm-cache-policy.c dm cache: add policy name to status output 2014-01-16 13:44:11 -05:00
dm-cache-policy.h dm cache: age and write back cache entries even without active IO 2015-06-11 17:13:01 -04:00
dm-cache-target.c dm: don't save and restore bi_private 2015-12-10 10:38:56 -05:00
dm-crypt.c dm crypt: fix a possible hang due to race condition on exit 2015-11-19 13:38:30 -05:00
dm-delay.c dm delay: document that offsets are specified in sectors 2015-10-31 19:06:05 -04:00
dm-era-target.c dm persistent data: eliminate unnecessary return values 2015-10-31 19:06:02 -04:00
dm-exception-store.c - Revert a dm-multipath change that caused a regression for unprivledged 2015-11-04 21:19:53 -08:00
dm-exception-store.h dm snapshot: fix hung bios when copy error occurs 2016-01-08 20:03:05 -05:00
dm-flakey.c dm: refactor ioctl handling 2015-10-31 19:05:59 -04:00
dm-io.c md: more open-coded offset_in_page() 2016-01-04 10:29:12 -05:00
dm-ioctl.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
dm-kcopyd.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
dm-linear.c dm linear: remove redundant target name from error messages 2015-10-31 19:06:03 -04:00
dm-log-userspace-base.c dm: drop NULL test before kmem_cache_destroy() and mempool_destroy() 2015-10-31 19:06:00 -04:00
dm-log-userspace-transfer.c dm log userspace transfer: match wait_for_completion_timeout return type 2015-04-15 12:10:20 -04:00
dm-log-userspace-transfer.h
dm-log-writes.c dm: refactor ioctl handling 2015-10-31 19:05:59 -04:00
dm-log.c
dm-mpath.c dm mpath: fix infinite recursion in ioctl when no paths and !queue_if_no_path 2015-11-17 14:19:00 -05:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-queue-length.c
dm-raid1.c Merge tag 'dm-4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm 2015-09-02 16:35:26 -07:00
dm-raid.c dm raid: fix round up of default region size 2015-10-02 12:02:31 -04:00
dm-region-hash.c dm: convert ffs to __ffs 2015-10-31 19:06:01 -04:00
dm-round-robin.c
dm-service-time.c
dm-snap-persistent.c dm snapshot: fix hung bios when copy error occurs 2016-01-08 20:03:05 -05:00
dm-snap-transient.c dm snapshot: fix hung bios when copy error occurs 2016-01-08 20:03:05 -05:00
dm-snap.c dm snapshot: fix hung bios when copy error occurs 2016-01-08 20:03:05 -05:00
dm-stats.c dm stats: report precise_timestamps and histogram in @stats_list output 2015-08-18 17:20:03 -04:00
dm-stats.h dm stats: support precise timestamps 2015-06-17 12:40:40 -04:00
dm-stripe.c Merge tag 'dm-4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm 2015-09-02 16:35:26 -07:00
dm-switch.c dm switch: simplify conditional in alloc_region_table() 2015-10-31 19:06:06 -04:00
dm-sysfs.c dm: add 'use_blk_mq' module param and expose in per-device ro sysfs attr 2015-04-15 12:10:17 -04:00
dm-table.c block: Inline blk_integrity in struct gendisk 2015-10-21 14:42:42 -06:00
dm-target.c dm: allocate requests in target when stacking on blk-mq devices 2015-02-09 13:06:47 -05:00
dm-thin-metadata.c dm thin metadata: make dm_thin_find_mapped_range() atomic 2015-12-10 10:38:55 -05:00
dm-thin-metadata.h dm thin metadata: add dm_thin_remove_range() 2015-06-11 17:13:04 -04:00
dm-thin.c dm thin: bump thin and thin-pool target versions 2016-01-06 20:59:40 -05:00
dm-uevent.c
dm-uevent.h
dm-verity-fec.c dm verity: add ignore_zero_blocks feature 2015-12-10 10:39:03 -05:00
dm-verity-fec.h dm verity: add support for forward error correction 2015-12-10 10:39:03 -05:00
dm-verity-target.c dm verity: add ignore_zero_blocks feature 2015-12-10 10:39:03 -05:00
dm-verity.h dm verity: add ignore_zero_blocks feature 2015-12-10 10:39:03 -05:00
dm-zero.c block: add a bi_error field to struct bio 2015-07-29 08:55:15 -06:00
dm.c dm: fix dm_rq_target_io leak on faults with .request_fn DM w/ blk-mq paths 2016-02-21 20:27:50 -05:00
dm.h block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
faulty.c MD: rename some functions 2016-01-20 13:52:20 -08:00
Kconfig dm verity: add support for forward error correction 2015-12-10 10:39:03 -05:00
linear.c block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
linear.h
Makefile dm verity: add support for forward error correction 2015-12-10 10:39:03 -05:00
md-cluster.c md-cluster: fix missing memory free 2016-01-24 18:13:18 -08:00
md-cluster.h md-cluster: append some actions when change bitmap from clustered to none 2016-01-06 11:38:57 +11:00
md.c MD: warn for potential deadlock 2016-02-26 09:44:57 -08:00
md.h md updates for 4.5 2016-01-15 12:28:00 -08:00
multipath.c md/raid: only permit hot-add of compatible integrity profiles 2016-01-14 11:49:57 +11:00
multipath.h
raid0.c treewide: Fix typos in printk 2015-12-08 14:59:19 +01:00
raid0.h block: kill merge_bvec_fn() completely 2015-08-13 12:31:57 -06:00
raid1.c MD: rename some functions 2016-01-20 13:52:20 -08:00
raid1.h md-cluster: Use a small window for resync 2015-10-12 01:32:05 -05:00
raid5-cache.c raid5-cache: handle journal hotadd in quiesce 2016-01-14 11:49:43 +11:00
raid5.c RAID5: revert e9e4c377e2 to fix a livelock 2016-02-26 09:44:56 -08:00
raid5.h RAID5: revert e9e4c377e2 to fix a livelock 2016-02-26 09:44:56 -08:00
raid10.c MD: rename some functions 2016-01-20 13:52:20 -08:00
raid10.h md/raid10: ensure device failure recorded before write request returns. 2015-08-31 19:43:45 +02:00