xfs: swap inode reflink flags when swapping inode extents
When we're swapping the extents of two inodes, be sure to swap the
reflink inode flag too.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index f7b3f02..e2f46e6 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1660,6 +1660,8 @@
int taforkblks = 0;
__uint64_t tmp;
int lock_flags;
+ struct xfs_ifork *cowfp;
+ __uint64_t f;
/* XXX: we can't do this with rmap, will fix later */
if (xfs_sb_version_hasrmapbt(&mp->m_sb))
@@ -1873,6 +1875,19 @@
break;
}
+ /* Do we have to swap reflink flags? */
+ if ((ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK) ^
+ (tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK)) {
+ f = ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK;
+ ip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK;
+ ip->i_d.di_flags2 |= tip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK;
+ tip->i_d.di_flags2 &= ~XFS_DIFLAG2_REFLINK;
+ tip->i_d.di_flags2 |= f & XFS_DIFLAG2_REFLINK;
+ cowfp = ip->i_cowfp;
+ ip->i_cowfp = tip->i_cowfp;
+ tip->i_cowfp = cowfp;
+ }
+
xfs_trans_log_inode(tp, ip, src_log_flags);
xfs_trans_log_inode(tp, tip, target_log_flags);