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xfs: fix a missing unlock on error in xfs_fs_map_blocks 

[ Upstream commit 2bd3fa793a ]

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

Fixes: 527851124d ("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>
5.4-rM2-2.2.x-imx-squashed
Christoph Hellwig 2020-11-11 08:07:37 -08:00 committed by Greg Kroah-Hartman
parent 0e2ad69bd4
commit f10d238aad
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_pnfs.c
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@ -134,7 +134,7 @@ xfs_fs_map_blocks(
goto out_unlock;
error = invalidate_inode_pages2(inode->i_mapping);
if (WARN_ON_ONCE(error))
return error;
goto out_unlock;
end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + length);
offset_fsb = XFS_B_TO_FSBT(mp, offset);