Btrfs: create the uuid tree on remount rw

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / super.c

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 6ab0df5..e913328 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1383,6 +1383,16 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
                        pr_warn("btrfs: failed to resume dev_replace\n");
                        goto restore;
                }
+
+               if (!fs_info->uuid_root) {
+                       pr_info("btrfs: creating UUID tree\n");
+                       ret = btrfs_create_uuid_tree(fs_info);
+                       if (ret) {
+                               pr_warn("btrfs: failed to create the uuid tree"
+                                       "%d\n", ret);
+                               goto restore;
+                       }
+               }
                sb->s_flags &= ~MS_RDONLY;
        }
 out: