LU-3834 mdt: handle swap_layouts failures during restore

[fs/lustre-release.git] / lustre / mdd / mdd_object.c

diff --git a/lustre/mdd/mdd_object.c b/lustre/mdd/mdd_object.c
index 52a0cf6..891628c 100644 (file)
--- a/lustre/mdd/mdd_object.c
+++ b/lustre/mdd/mdd_object.c
@@ -1468,13 +1468,18 @@ static int mdd_swap_layouts(const struct lu_env *env, struct md_object *obj1,
        if (rc != 0)
                GOTO(stop, rc);
 
-       if (fst_buf->lb_buf != NULL)
-               rc = mdo_xattr_set(env, snd_o, fst_buf, XATTR_NAME_LOV,
-                                  LU_XATTR_REPLACE, handle,
-                                  mdd_object_capa(env, snd_o));
-       else
-               rc = mdo_xattr_del(env, snd_o, XATTR_NAME_LOV, handle,
-                                  mdd_object_capa(env, snd_o));
+       if (unlikely(OBD_FAIL_CHECK(OBD_FAIL_MDS_HSM_SWAP_LAYOUTS))) {
+               rc = -EOPNOTSUPP;
+       } else {
+               if (fst_buf->lb_buf != NULL)
+                       rc = mdo_xattr_set(env, snd_o, fst_buf, XATTR_NAME_LOV,
+                                          LU_XATTR_REPLACE, handle,
+                                          mdd_object_capa(env, snd_o));
+               else
+                       rc = mdo_xattr_del(env, snd_o, XATTR_NAME_LOV, handle,
+                                          mdd_object_capa(env, snd_o));
+       }
+
        if (rc != 0) {
                int steps = 0;