[git pull] device mapper fixes for 4.6-rc4

[Mike Snitzer <snitzer@redhat.com>]

Hi Linus,

The following changes since commit bf16200689118d19de1b8d2a3c314fc21f5dc7bb:

  Linux 4.6-rc3 (2016-04-10 17:58:30 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm tags/dm-4.6-fixes

for you to fetch changes up to 9567366fefddeaea4ed1d713270535d93a3b3c76:

  dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros (2016-04-14 17:34:49 -0400)

Please pull, thanks.
Mike

----------------------------------------------------------------
- fix a 4.6-rc1 bio-based DM 'struct dm_target_io' leak in an error path

- stable@ fix for DM cache metadata's READ_LOCK macros that were
  incorrectly returning error if the block manager was in read-only
  mode; also cleanup multi-statement macros to use do {} while(0)

----------------------------------------------------------------
Mike Snitzer (1):
      dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros

Mikulas Patocka (1):
      dm: fix dm_target_io leak if clone_bio() returns an error

 drivers/md/dm-cache-metadata.c | 64 ++++++++++++++++++++++++++----------------
 drivers/md/dm.c                |  4 ++-
 2 files changed, 43 insertions(+), 25 deletions(-)