Merge tag 'for-5.2-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[sfrench/cifs-2.6.git] / drivers / nvdimm / namespace_devs.c
index f293556cbbf6d747004b132a23c440296ec760f7..a434a5964cb9349ef5325f5e7df137dd7473c8c5 100644 (file)
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 #include <linux/module.h>
 #include <linux/device.h>
@@ -1247,12 +1239,27 @@ static int namespace_update_uuid(struct nd_region *nd_region,
        for (i = 0; i < nd_region->ndr_mappings; i++) {
                struct nd_mapping *nd_mapping = &nd_region->mapping[i];
                struct nvdimm_drvdata *ndd = to_ndd(nd_mapping);
+               struct nd_label_ent *label_ent;
                struct resource *res;
 
                for_each_dpa_resource(ndd, res)
                        if (strcmp(res->name, old_label_id.id) == 0)
                                sprintf((void *) res->name, "%s",
                                                new_label_id.id);
+
+               mutex_lock(&nd_mapping->lock);
+               list_for_each_entry(label_ent, &nd_mapping->labels, list) {
+                       struct nd_namespace_label *nd_label = label_ent->label;
+                       struct nd_label_id label_id;
+
+                       if (!nd_label)
+                               continue;
+                       nd_label_gen_id(&label_id, nd_label->uuid,
+                                       __le32_to_cpu(nd_label->flags));
+                       if (strcmp(old_label_id.id, label_id.id) == 0)
+                               set_bit(ND_LABEL_REAP, &label_ent->flags);
+               }
+               mutex_unlock(&nd_mapping->lock);
        }
        kfree(*old_uuid);
  out: