Christoph Hellwig 8acbfc8695 xfs: fix a missing unlock on error in xfs_fs_map_blocks
[ Upstream commit 2bd3fa793aaa7e98b74e3653fdcc72fa753913b5 ]

We also need to drop the iolock when invalidate_inode_pages2 fails, not
only on all other error or successful cases.

Fixes: 527851124d10 ("xfs: implement pNFS export operations")
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-11-18 18:26:27 +01:00
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