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xfs: actually report xattr extents via iomap

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Apparently FIEMAP for xattrs has been broken since we switched to
the iomap backend because of an incorrect check for xattr presence.
Also fix the broken locking.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2017-04-06 16:00:39 -07:00
parent 254133f5d0
commit 84358536dc
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/xfs_iomap.c
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@ -1170,10 +1170,10 @@ xfs_xattr_iomap_begin(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
lockmode = xfs_ilock_data_map_shared(ip);
lockmode = xfs_ilock_attr_map_shared(ip);
/* if there are no attribute fork or extents, return ENOENT */
if (XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) {
if (!XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) {
error = -ENOENT;
goto out_unlock;
}