Btrfs: add mount option to force UUID tree checking

[deliverable/linux.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e7ef82ad0d2626afddf9f917753a5c2b46a18ac8..00914a62abecf05d74e048e3402670bb180eb9b8 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2929,7 +2929,8 @@ retry_root_backup:
                        close_ctree(tree_root);
                        return ret;
                }
-       } else if (check_uuid_tree) {
+       } else if (check_uuid_tree ||
+                  btrfs_test_opt(tree_root, RESCAN_UUID_TREE)) {
                pr_info("btrfs: checking UUID tree\n");
                ret = btrfs_check_uuid_tree(fs_info);
                if (ret) {