+ if (btrfs_test_opt(tree_root, CLEAR_CACHE) &&
+ btrfs_fs_compat_ro(fs_info, FREE_SPACE_TREE)) {
+ pr_info("BTRFS: clearing free space tree\n");
+ ret = btrfs_clear_free_space_tree(fs_info);
+ if (ret) {
+ pr_warn("BTRFS: failed to clear free space tree %d\n",
+ ret);
+ close_ctree(tree_root);
+ return ret;
+ }
+ }
+
+ if (btrfs_test_opt(tree_root, FREE_SPACE_TREE) &&
+ !btrfs_fs_compat_ro(fs_info, FREE_SPACE_TREE)) {
+ pr_info("BTRFS: creating free space tree\n");
+ ret = btrfs_create_free_space_tree(fs_info);
+ if (ret) {
+ pr_warn("BTRFS: failed to create free space tree %d\n",
+ ret);
+ close_ctree(tree_root);
+ return ret;
+ }
+ }
+