diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 95f7a73..965598e 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1760,7 +1760,8 @@
 		 * to mark all the active inodes on the buffer stale.
 		 */
 		bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno,
-					mp->m_bsize * blks_per_cluster, 0);
+					mp->m_bsize * blks_per_cluster,
+					XBF_UNMAPPED);
 
 		if (!bp)
 			return ENOMEM;