[GIT PULL] xfs: updates for 4.12-rc4

[Darrick J. Wong]

Hi Linus,

I've one more bugfix for you for 4.12-rc4.

--Darrick

The following changes since commit a54fba8f5a0dc36161cacdf2aa90f007f702ec1a:

  xfs: Move handling of missing page into one place in xfs_find_get_desired_pgoff() (2017-05-25 09:42:25 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/xfs-4.12-fixes-3

for you to fetch changes up to 63db7c815bc0997c29e484d2409684fdd9fcd93b:

  xfs: use ->b_state to fix buffer I/O accounting release race (2017-05-31 08:22:52 -0700)

----------------------------------------------------------------
Changes since last update:
- Fix an unmount hang due to a race in io buffer accounting.

----------------------------------------------------------------
Brian Foster (1):
      xfs: use ->b_state to fix buffer I/O accounting release race

 fs/xfs/xfs_buf.c | 38 ++++++++++++++++++++++++++------------
 fs/xfs/xfs_buf.h |  5 ++---
 2 files changed, 28 insertions(+), 15 deletions(-)