LU-13142 lod: cleanup layout checking

[fs/lustre-release.git] / lustre / lod / lod_lov.c

diff --git a/lustre/lod/lod_lov.c b/lustre/lod/lod_lov.c
index e449db6..48fa030 100644 (file)
--- a/lustre/lod/lod_lov.c
+++ b/lustre/lod/lod_lov.c
@@ -1913,6 +1913,24 @@ recheck:
                                        RETURN(rc);
                                }
                        }
+                       /* Any stripe count is forbidden on DoM component */
+                       if (lum->lmm_stripe_count) {
+                               CDEBUG(D_LAYOUT,
+                                      "invalid DoM layout stripe count %u, must be 0\n",
+                                      le16_to_cpu(lum->lmm_stripe_count));
+                               RETURN(-EINVAL);
+                       }
+
+                       /* Any pool is forbidden on DoM component */
+                       if (lum->lmm_magic == LOV_USER_MAGIC_V3) {
+                               struct lov_user_md_v3 *v3 = (void *)lum;
+
+                               if (v3->lmm_pool_name[0] != '\0') {
+                                       CDEBUG(D_LAYOUT,
+                                              "DoM component cannot have pool assigned\n");
+                                       RETURN(-EINVAL);
+                               }
+                       }
                }
 
                prev_end = le64_to_cpu(ext->e_end);