[git pull] device-mapper fixes for 3.9-rc6

[Alasdair G Kergon <agk@redhat.com>]

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm tags/dm-3.9-fixes-2
 
to get the following device-mapper fixes for 3.9.

Thanks,
Alasdair
 
----------------------------------------------------------------
A pair of patches to fix the writethrough mode of the device-mapper
cache target when the device being cached is not itself wrapped with
device-mapper.

----------------------------------------------------------------
Darrick J. Wong (1):
      dm cache: fix writes to cache device in writethrough mode

Mike Snitzer (1):
      dm cache: reduce bio front_pad size in writeback mode

 drivers/md/dm-cache-target.c |   51 +++++++++++++++++++++++++++++++-----------
 1 file changed, 38 insertions(+), 13 deletions(-)