LU-15707 lod: force creation of a component without a pool

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

diff --git a/lustre/lod/lod_pool.c b/lustre/lod/lod_pool.c
index 4b135b4..8ac5eb3 100644 (file)
--- a/lustre/lod/lod_pool.c
+++ b/lustre/lod/lod_pool.c
@@ -708,22 +708,23 @@ struct pool_desc *lod_find_pool(struct lod_device *lod, char *poolname)
 {
        struct pool_desc *pool;
 
-       pool = NULL;
-       if (poolname[0] != '\0') {
-               pool = lod_pool_find(lod, poolname);
-               if (!pool)
-                       CDEBUG(D_CONFIG,
-                              "%s: request for an unknown pool (" LOV_POOLNAMEF ")\n",
-                              lod->lod_child_exp->exp_obd->obd_name, poolname);
-               if (pool != NULL && pool_tgt_count(pool) == 0) {
-                       CDEBUG(D_CONFIG, "%s: request for an empty pool ("
-                              LOV_POOLNAMEF")\n",
-                              lod->lod_child_exp->exp_obd->obd_name, poolname);
-                       /* pool is ignored, so we remove ref on it */
-                       lod_pool_putref(pool);
-                       pool = NULL;
-               }
+       if (poolname[0] == '\0' || lov_pool_is_reserved(poolname))
+               return NULL;
+
+       pool = lod_pool_find(lod, poolname);
+       if (!pool)
+               CDEBUG(D_CONFIG,
+                      "%s: request for an unknown pool (" LOV_POOLNAMEF ")\n",
+                      lod->lod_child_exp->exp_obd->obd_name, poolname);
+       if (pool != NULL && pool_tgt_count(pool) == 0) {
+               CDEBUG(D_CONFIG, "%s: request for an empty pool ("
+                      LOV_POOLNAMEF")\n",
+                      lod->lod_child_exp->exp_obd->obd_name, poolname);
+               /* pool is ignored, so we remove ref on it */
+               lod_pool_putref(pool);
+               pool = NULL;
        }
+
        return pool;
 }