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Subject[GIT PULL] xfs: fixes for 4.16-rc5
Hi Linus,

Here's a few more fixes for locking problems and incorrect copy on
write behaviors on 4.16. It should merge cleanly, but please let me
know if it doesn't.

--Darrick

The following changes since commit 5b4c845ea4f4b86c43096eb924354c83a2e26f3c:

xfs: fix potential memory leak in mount option parsing (2018-02-26 10:02:13 -0800)

are available in the git repository at:

git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/xfs-4.16-fixes-3

for you to fetch changes up to ff3d8b9c4cb95180ae6ef9eed28409840525b9fa:

xfs: don't block on the ilock for RWF_NOWAIT (2018-03-01 14:12:45 -0800)

----------------------------------------------------------------
Changes since last update:
- Fix some iomap locking problems
- Don't allocate cow blocks when we're zeroing file data

----------------------------------------------------------------
Christoph Hellwig (3):
xfs: don't allocate COW blocks for zeroing holes or unwritten extents
xfs: don't start out with the exclusive ilock for direct I/O
xfs: don't block on the ilock for RWF_NOWAIT

fs/xfs/xfs_iomap.c | 42 ++++++++++++++++++++++++++++++------------
1 file changed, 30 insertions(+), 12 deletions(-)

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