- write_lock(&nodemap->nm_idmap_lock);
- idmap_insert(id_type, idmap, nodemap);
- write_unlock(&nodemap->nm_idmap_lock);
+ down_write(&nodemap->nm_idmap_lock);
+ temp = idmap_insert(id_type, idmap, nodemap);
+ /* If the new id_client or id_fs is matched, the old idmap and its
+ * index should be deleted according to its id_client before the new
+ * idmap is added again.
+ */
+ if (IS_ERR(temp))
+ GOTO(out_insert, rc = PTR_ERR(temp));
+ if (temp) {
+ __u32 del_map[2];
+
+ del_map[0] = temp->id_client;
+ idmap_delete(id_type, temp, nodemap);
+ rc = nodemap_idx_idmap_del(nodemap, id_type, del_map);
+ /* In case there is any corrupted idmap */
+ if (!rc || unlikely(rc == -ENOENT)) {
+ temp = idmap_insert(id_type, idmap, nodemap);
+ if (IS_ERR(temp))
+ rc = PTR_ERR(temp);
+ else if (!temp)
+ rc = 0;
+ else
+ rc = -EPERM;
+ }
+ }
+out_insert:
+ if (rc)
+ OBD_FREE_PTR(idmap);
+ up_write(&nodemap->nm_idmap_lock);