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| author | Christoph Hellwig <hch@lst.de> | 2017-10-03 08:58:33 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-03 21:27:55 -0700 |
| commit | e12199f85d0ad1b04ce6c425ad93cd847fe930bb (patch) | |
| tree | a4d96867b24d45f6e627b72f9d804ed2cb3e92b1 /fs/btrfs/compression.c | |
| parent | 52bfcdd7adbc26639bc7b2356ab9a3f5dad68ad6 (diff) | |
| download | linux-e12199f85d0ad1b04ce6c425ad93cd847fe930bb.tar.gz linux-e12199f85d0ad1b04ce6c425ad93cd847fe930bb.tar.bz2 linux-e12199f85d0ad1b04ce6c425ad93cd847fe930bb.zip | |
xfs: handle racy AIO in xfs_reflink_end_cow
If we got two AIO writes into a COW area the second one might not have any
COW extents left to convert. Handle that case gracefully instead of
triggering an assert or accessing beyond the bounds of the extent list.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/btrfs/compression.c')
0 files changed, 0 insertions, 0 deletions