[GIT PULL] iomap: updates for v4.21

[Darrick J. Wong]

Hi Linus,

Here's a fix for a memory overflow bug in the iomap code for 4.21-rc1.
It has undergone the usual testing regimen and merges cleanly with 4.20
final.  Let me know if you encounter any problems with the merge.

--D

The following changes since commit 7566ec393f4161572ba6f11ad5171fd5d59b0fbd:

  Linux 4.20-rc7 (2018-12-16 15:46:55 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/iomap-4.21-merge-2

for you to fetch changes up to 3cc31fa65d85610574c0f6a474e89f4c419923d5:

  iomap: don't search past page end in iomap_is_partially_uptodate (2018-12-21 08:42:50 -0800)

----------------------------------------------------------------
Updates for 4.21:
- Fix a memory overflow bug for blocksize < pagesize

----------------------------------------------------------------
Eric Sandeen (1):
      iomap: don't search past page end in iomap_is_partially_uptodate

 fs/iomap.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)