xfs: fix the check for COW extents in xfs_swap_extents

i_cnextents does not include delayed allocated extents, so switch
to the inode fork size check that we already use in other places
instead.

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 2018-03-13 23:15:30 -07:00 committed by Darrick J. Wong
parent e6b9657056
commit 5bcffe300c

View File

@ -2014,11 +2014,11 @@ xfs_swap_extents(
ip->i_cowfp = tip->i_cowfp;
tip->i_cowfp = cowfp;
if (ip->i_cowfp && ip->i_cnextents)
if (ip->i_cowfp && ip->i_cowfp->if_bytes)
xfs_inode_set_cowblocks_tag(ip);
else
xfs_inode_clear_cowblocks_tag(ip);
if (tip->i_cowfp && tip->i_cnextents)
if (tip->i_cowfp && tip->i_cowfp->if_bytes)
xfs_inode_set_cowblocks_tag(tip);
else
xfs_inode_clear_cowblocks_tag(tip);