[GIT PULL] Btrfs fix for 4.17-rc6

[GIT PULL] Btrfs fix for 4.17-rc6

[David Sterba]

Hi,

please consider pulling a fix for btrfs. This time it's really a
one-liner and prevents leaking an internal error value 1 out of the
ftruncate syscall.

This has been observed in practice. The steps to reproduce make a common
pattern (open/write/fync/ftruncate) but also need the application to not
check only for negative values and happens only for compressed inlined
files. The conditions are narrow but as this could break userspace I
think it's better to merge it now and not wait for the merge window.
Thanks.

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The following changes since commit 02ee654d3a04563c67bfe658a05384548b9bb105:

  btrfs: fix crash when trying to resume balance without the resume flag (2018-05-17 14:38:24 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-4.17-rc6-tag

for you to fetch changes up to d50147381aa0c9725d63a677c138c47f55d6d3bc:

  Btrfs: fix error handling in btrfs_truncate() (2018-05-24 11:56:57 +0200)

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Omar Sandoval (1):
      Btrfs: fix error handling in btrfs_truncate()

 fs/btrfs/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)