[git pull] device mapper fix for 4.18-rc6

[Mike Snitzer <snitzer@redhat.com>]

Hi Linus,

The following change since commit 021c91791a5e7e85c567452f1be3e4c2c6cb6063:

  Linux 4.18-rc3 (2018-07-01 16:04:53 -0700)

is available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git tags/for-4.18/dm-fixes-2

for you to fetch up to d284f8248c72d0cb36a930920e60592eb455cd0d:

  dm writecache: support optional offset for start of device (2018-07-02 16:14:02 -0400)

Please pull, thanks.
Mike

----------------------------------------------------------------
- Fix DM writecache target to allow an optional offset to the start of
  the data and metadata area.  This allows userspace tools (e.g. LVM2)
  to place a header and metadata at the front of the writecache device
  for its use.

----------------------------------------------------------------
Mikulas Patocka (1):
      dm writecache: support optional offset for start of device

 Documentation/device-mapper/writecache.txt |  2 ++
 drivers/md/dm-writecache.c                 | 43 ++++++++++++++++++++----------
 2 files changed, 31 insertions(+), 14 deletions(-)