1 files changed, 7 insertions, 0 deletions

diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 0505605e25c1..96388fb9adff 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1684,6 +1684,13 @@ xfs_fs_fill_super(
                 }
         }
 
+        if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) {
+                xfs_alert(mp,
+        "reflink not compatible with realtime device!");
+                error = -EINVAL;
+                goto out_filestream_unmount;
+        }
+
         if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
                 if (mp->m_sb.sb_rblocks) {
                         xfs_alert(mp,