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xfs: assert locking precondition in xfs_readlink_bmap_ilocked

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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>
This commit is contained in:
Christoph Hellwig 2017-07-13 12:14:34 -07:00 committed by Darrick J. Wong
parent 5af7777e11
commit 29db2500f6
1 changed files with 2 additions and 0 deletions
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2
fs/xfs/xfs_symlink.c
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@ -61,6 +61,8 @@ xfs_readlink_bmap_ilocked(
int fsblocks = 0; int fsblocks = 0;
int offset; int offset;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
fsblocks = xfs_symlink_blocks(mp, pathlen); fsblocks = xfs_symlink_blocks(mp, pathlen);
error = xfs_bmapi_read(ip, 0, fsblocks, mval, &nmaps, 0); error = xfs_bmapi_read(ip, 0, fsblocks, mval, &nmaps, 0);
if (error) if (error)