LU-10703 nodemap: save and clear fileset correctly

[fs/lustre-release.git] / lustre / ptlrpc / nodemap_storage.c

diff --git a/lustre/ptlrpc/nodemap_storage.c b/lustre/ptlrpc/nodemap_storage.c
index 65a8884..c3e515f 100644 (file)
--- a/lustre/ptlrpc/nodemap_storage.c
+++ b/lustre/ptlrpc/nodemap_storage.c
@@ -713,7 +713,9 @@ static int nodemap_process_keyrec(struct nodemap_config *config,
                              " nodemap_id=%d. nodemap config file corrupt?\n",
                              nodemap_id);
                break;
-       case NODEMAP_CLUSTER_IDX:
+       case NODEMAP_CLUSTER_IDX: {
+               struct lu_nodemap *old_nm = NULL;
+
                nodemap = cfs_hash_lookup(config->nmc_nodemap_hash,
                                          rec->ncr.ncr_name);
                if (nodemap == NULL) {
@@ -757,6 +759,17 @@ static int nodemap_process_keyrec(struct nodemap_config *config,
                nodemap->nmf_enable_audit =
                                        flags & NM_FL_ENABLE_AUDIT;
 
+               /* The fileset should be saved otherwise it will be empty
+                * every time in case of "NODEMAP_CLUSTER_IDX". */
+               mutex_lock(&active_config_lock);
+               old_nm = nodemap_lookup(rec->ncr.ncr_name);
+               if (!IS_ERR(old_nm) && old_nm->nm_fileset[0] != '\0')
+                       strlcpy(nodemap->nm_fileset, old_nm->nm_fileset,
+                               sizeof(nodemap->nm_fileset));
+               mutex_unlock(&active_config_lock);
+               if (!IS_ERR(old_nm))
+                       nodemap_putref(old_nm);
+
                if (*recent_nodemap == NULL) {
                        *recent_nodemap = nodemap;
                        INIT_LIST_HEAD(&nodemap->nm_list);
@@ -766,6 +779,7 @@ static int nodemap_process_keyrec(struct nodemap_config *config,
                }
                nodemap_putref(nodemap);
                break;
+       }
        case NODEMAP_RANGE_IDX:
                nid[0] = le64_to_cpu(rec->nrr.nrr_start_nid);
                nid[1] = le64_to_cpu(rec->nrr.nrr_end_nid);