[git pull] device mapper fixes for 4.2-rc5

[git pull] device mapper fixes for 4.2-rc5

[Mike Snitzer]

Hi Linus,

The following changes since commit cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f:

  Linux 4.2-rc4 (2015-07-26 12:26:21 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm tags/dm-4.2-fixes-3

for you to fetch changes up to 795e633a2dc6cbbeac68bc7f6006082150d38bb7:

  dm cache: fix device destroy hang due to improper prealloc_used accounting (2015-07-29 14:32:09 -0400)

Please pull, thanks.
Mike

----------------------------------------------------------------
- Fix DM thinp to consistently return -ENOSPC when out of data space

- Fix a logic bug in the DM cache smq policy's creation error path

- Revert a DM cache 4.2-rc3 change that reduced writeback efficiency

- Fix a hang on DM cache device destruction due to improper
  prealloc_used accounting introduced in 4.2-rc3

- Update URL for dm-crypt wiki page

----------------------------------------------------------------
Baruch Siach (1):
      dm crypt: update wiki page URL

Colin Ian King (1):
      dm cache policy smq: fix alloc_bitset check that always evaluates as false

Mike Snitzer (3):
      dm thin: return -ENOSPC when erroring retry list due to out of data space
      Revert "dm cache: do not wake_worker() in free_migration()"
      dm cache: fix device destroy hang due to improper prealloc_used accounting

 drivers/md/Kconfig               |  2 +-
 drivers/md/dm-cache-policy-smq.c |  2 +-
 drivers/md/dm-cache-target.c     |  7 ++++---
 drivers/md/dm-thin.c             | 11 ++++++++---
 4 files changed, 14 insertions(+), 8 deletions(-)