Merge tag 'for-6.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Fix DM cache target to free background tracker work items, otherwise
   slab BUG will occur when kmem_cache_destroy() is called.

 - Improve 2 of DM's shrinker names to reflect their use.

 - Fix the DM flakey target to not corrupt the zero page. Fix dm-flakey
   on 32-bit hughmem systems by using bvec_kmap_local instead of
   page_address. Also, fix logic used when imposing the
   "corrupt_bio_byte" feature.

 - Stop using WQ_UNBOUND for DM verity target's verify_wq because it
   causes significant Android latencies on ARM64 (and doesn't show real
   benefit on other architectures).

 - Add negative check to catch simple case of a DM table referencing
   itself. More complex scenarios that use intermediate devices to
   self-reference still need to be avoided/handled in userspace.

 - Fix DM core's resize to only send one uevent instead of two. This
   fixes a race with udev, that if udev wins, will cause udev to miss
   uevents (which caused premature unmount attempts by systemd).

 - Add cond_resched() to workqueue functions in DM core, dn-thin and
   dm-cache so that their loops aren't the cause of unintended cpu
   scheduling fairness issues.

 - Fix all of DM's checkpatch errors and warnings (famous last words).
   Various other small cleanups.

* tag 'for-6.3/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (62 commits)
  dm: remove unnecessary (void*) conversion in event_callback()
  dm ioctl: remove unnecessary check when using dm_get_mdptr()
  dm ioctl: assert _hash_lock is held in __hash_remove
  dm cache: add cond_resched() to various workqueue loops
  dm thin: add cond_resched() to various workqueue loops
  dm: add cond_resched() to dm_wq_requeue_work()
  dm: add cond_resched() to dm_wq_work()
  dm sysfs: make kobj_type structure constant
  dm: update targets using system workqueues to use a local workqueue
  dm: remove flush_scheduled_work() during local_exit()
  dm clone: prefer kvmalloc_array()
  dm: declare variables static when sensible
  dm: fix suspect indent whitespace
  dm ioctl: prefer strscpy() instead of strlcpy()
  dm: avoid void function return statements
  dm integrity: change macros min/max() -> min_t/max_t where appropriate
  dm: fix use of sizeof() macro
  dm: avoid 'do {} while(0)' loop in single statement macros
  dm log: avoid multiple line dereference
  dm log: avoid trailing semicolon in macro
  ...

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