[git pull] device mapper fixes for 4.4-rc3

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Hi Linus,

The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:

  Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm tags/dm-4.4-fixes

for you to fetch changes up to 0fcb04d59351f790efb8da18edefd6ab4d9bbf3b:

  dm thin: fix regression in advertised discard limits (2015-11-23 14:54:46 -0500)

Please pull, thanks!
Mike

----------------------------------------------------------------
Two fixes for 4.4-rc1's DM ioctl changes that introduced the potential
for infinite recursion on ioctl (with DM multipath).

And four stable fixes:

- A DM thin-provisioning fix to restore 'error_if_no_space' setting when
  a thin-pool is made writable again (after having been out of space).

- A DM thin-provisioning fix to properly advertise discard support for
  thin volumes that are stacked on a thin-pool whose underlying data
  device doesn't support discards.

- A DM ioctl fix to allow ctrl-c to break out of an ioctl retry loop
  when DM multipath is configured to 'queue_if_no_path'.

- A DM crypt fix for a possible hang on dm-crypt device removal.

----------------------------------------------------------------
Junichi Nomura (2):
      dm: fix ioctl retry termination with signal
      dm mpath: fix infinite recursion in ioctl when no paths and !queue_if_no_path

Mike Snitzer (3):
      dm thin: restore requested 'error_if_no_space' setting on OODS to WRITE transition
      dm: do not reuse dm_blk_ioctl block_device input as local variable
      dm thin: fix regression in advertised discard limits

Mikulas Patocka (1):
      dm crypt: fix a possible hang due to race condition on exit

 drivers/md/dm-crypt.c | 22 +++++++++++++---------
 drivers/md/dm-mpath.c | 30 ++++++++++++++++--------------
 drivers/md/dm-thin.c  |  6 +++---
 drivers/md/dm.c       |  7 ++++---
 4 files changed, 36 insertions(+), 29 deletions(-)

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