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-rw-r--r--fs/xfs/xfs_bmap_util.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index bc6c6e10a969..e9db7fc95b70 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -2122,11 +2122,31 @@ xfs_swap_extents(
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;
+ }
+
+ /* Swap the cow forks. */
+ if (xfs_sb_version_hasreflink(&mp->m_sb)) {
+ xfs_extnum_t extnum;
+
+ ASSERT(ip->i_cformat == XFS_DINODE_FMT_EXTENTS);
+ ASSERT(tip->i_cformat == XFS_DINODE_FMT_EXTENTS);
+
+ extnum = ip->i_cnextents;
+ ip->i_cnextents = tip->i_cnextents;
+ tip->i_cnextents = extnum;
+
cowfp = ip->i_cowfp;
ip->i_cowfp = tip->i_cowfp;
tip->i_cowfp = cowfp;
- xfs_inode_set_cowblocks_tag(ip);
- xfs_inode_set_cowblocks_tag(tip);
+
+ if (ip->i_cowfp && ip->i_cnextents)
+ xfs_inode_set_cowblocks_tag(ip);
+ else
+ xfs_inode_clear_cowblocks_tag(ip);
+ if (tip->i_cowfp && tip->i_cnextents)
+ xfs_inode_set_cowblocks_tag(tip);
+ else
+ xfs_inode_clear_cowblocks_tag(tip);
}
xfs_trans_log_inode(tp, ip, src_log_flags);