Joe Thornber cc7da0ba9c dm cache: fix use after freeing migrations ...

Both free_io_migration() and issue_discard() dereference a migration
that was just freed.  Fix those by saving off the migrations's cache
object before freeing the migration.  Also cleanup needless mg->cache
dereferences now that the cache object is available directly.

Fixes: e44b6a5a3c ("dm cache: move wake_waker() from free_migrations() to where it is needed")
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

2015-09-01 08:56:14 -04:00

..

bcache

bcache: don't embed 'return' statements in closure macros

2015-07-11 09:57:32 -06:00

persistent-data

dm: remove unlikely() before IS_ERR()

2015-08-12 11:32:21 -04:00

bitmap.c

Some md fixes for 4.2

2015-07-25 11:24:58 -07:00

bitmap.h

md-cluster: re-add capabilities

2015-04-22 07:59:39 +10:00

dm-bio-prison.c

dm bio prison: add dm_cell_promote_or_release()

2015-05-29 14:19:06 -04:00

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

dm bufio: fix time comparison to use time_after_eq()

2015-02-09 13:06:48 -05:00

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

dm cache: add fail io mode and needs_check flag

2015-06-11 17:13:00 -04:00

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

dm cache: pass a new 'critical' flag to the policies when requesting writeback work

2015-05-29 14:19:04 -04:00

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 cache policy smq: move 'dm-cache-default' module alias to SMQ

2015-08-12 11:27:29 -04:00

dm-cache-policy-smq.c

dm cache policy smq: change the mutex to a spinlock

2015-08-12 11:32:19 -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 cache: fix use after freeing migrations

2015-09-01 08:56:14 -04:00

dm-crypt.c

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-delay.c

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-era-target.c

dm era: check for a non-NULL metadata object before closing it

2014-06-03 13:44:08 -04:00

dm-exception-store.c

dm: replace simple_strtoul

2012-07-27 15:07:59 +01:00

dm-exception-store.h

…

dm-flakey.c

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-io.c

dm io: deal with wandering queue limits when handling REQ_DISCARD and REQ_WRITE_SAME

2015-02-27 14:53:32 -05:00

dm-ioctl.c

dm: only initialize the request_queue once

2015-04-30 10:25:21 -04:00

dm-kcopyd.c

dm: stop using WQ_NON_REENTRANT

2013-08-23 09:02:13 -04:00

dm-linear.c

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-log-userspace-base.c

dm log userspace base: fix compile warning

2015-04-15 12:10:20 -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: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-log.c

dm: use memweight()

2012-07-30 17:25:16 -07:00

dm-mpath.c

dm mpath: fix leak of dm_mpath_io structure in blk-mq .queue_rq error path

2015-05-27 17:37:22 -04:00

dm-mpath.h

…

dm-path-selector.c

…

dm-path-selector.h

…

dm-queue-length.c

…

dm-raid1.c

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-raid.c

dm raid: add support for the MD RAID0 personality

2015-05-29 14:19:00 -04:00

dm-region-hash.c

block: Abstract out bvec iterator

2013-11-23 22:33:47 -08:00

dm-round-robin.c

…

dm-service-time.c

…

dm-snap-persistent.c

dm: remove unlikely() before IS_ERR()

2015-08-12 11:32:21 -04:00

dm-snap-transient.c

…

dm-snap.c

dm snapshot: don't invalidate on-disk image on snapshot write overflow

2015-08-12 16:22:55 -04:00

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

dm: do not override error code returned from dm_get_device()

2015-08-12 11:32:21 -04:00

dm-switch.c

dm switch: efficiently support repetitive patterns

2014-08-01 12:30:37 -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

Revert "block, dm: don't copy bios for request clones"

2015-06-26 10:11:58 -04:00

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: delete btrees when releasing metadata snapshot

2015-08-12 10:42:51 -04:00

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: optimize async discard submission

2015-08-18 11:36:11 -04:00

dm-uevent.c

…

dm-uevent.h

…

dm-verity.c

dm: remove unlikely() before IS_ERR()

2015-08-12 11:32:21 -04:00

dm-zero.c

dm crypt, dm zero: update author name following legal name change

2014-07-10 16:44:14 -04:00

dm.c

dm: test return value for DM_MAPIO_SUBMITTED

2015-08-12 11:32:20 -04:00

dm.h

- Revert block and DM core changes the removed request-based DM's

2015-06-26 12:35:01 -07:00

faulty.c

md: rename ->stop to ->free

2015-02-04 08:35:52 +11:00

Kconfig

dm crypt: update wiki page URL

2015-07-27 07:58:16 -04:00

linear.c

md: rename ->stop to ->free

2015-02-04 08:35:52 +11:00

linear.h

…

Makefile

dm cache: add stochastic-multi-queue (smq) policy

2015-06-11 17:12:59 -04:00

md-cluster.c

Fix read-balancing during node failure

2015-07-24 13:37:59 +10:00

md-cluster.h

Fix read-balancing during node failure

2015-07-24 13:37:59 +10:00

md.c

md: use kzalloc() when bitmap is disabled

2015-08-03 14:56:02 +10:00

md.h

writeback: separate out include/linux/backing-dev-defs.h

2015-06-02 08:33:34 -06:00

multipath.c

md: rename ->stop to ->free

2015-02-04 08:35:52 +11:00

multipath.h

…

raid0.c

md/raid0: fix restore to sector variable in raid0_make_request

2015-05-21 09:14:25 +10:00

raid0.h

…

raid1.c

md/raid1: extend spinlock to protect raid1_end_read_request against inconsistencies

2015-08-03 12:29:42 +10:00

raid1.h

md: make ->congested robust against personality changes.

2015-02-04 08:35:52 +11:00

raid5.c

md/raid5: don't let shrink_slab shrink too far.

2015-08-03 17:10:56 +10:00

raid5.h

md/raid5: avoid races when changing cache size.

2015-07-22 14:04:15 +10:00

raid10.c

md/raid10: always set reshape_safe when initializing reshape_position.

2015-07-22 14:08:24 +10:00

raid10.h

md: make ->congested robust against personality changes.

2015-02-04 08:35:52 +11:00