35 	int ret;  in btrfs_search_root()  local
45 	ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);  in btrfs_search_root()
46 	if (ret < 0)  in btrfs_search_root()
48 	if (ret == 0) {  in btrfs_search_root()
49 		ret = 1;  in btrfs_search_root()
53 		ret = btrfs_next_leaf(root, path);  in btrfs_search_root()
54 		if (ret)  in btrfs_search_root()
63 	ret = 0;  in btrfs_search_root()
68 	return ret;  in btrfs_search_root()
83 	int ret;  in btrfs_find_last_root()  local
92 	ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);  in btrfs_find_last_root()
93 	if (ret < 0)  in btrfs_find_last_root()
96 	BUG_ON(ret == 0);  in btrfs_find_last_root()
102 		ret = 1;  in btrfs_find_last_root()
108 	ret = 0;  in btrfs_find_last_root()
111 	return ret;  in btrfs_find_last_root()
123 	int ret;  in btrfs_update_root()  local
129 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);  in btrfs_update_root()
130 	if (ret < 0)  in btrfs_update_root()
133 	if (ret != 0) {  in btrfs_update_root()
149 	return ret;  in btrfs_update_root()
156 	int ret;  in btrfs_insert_root()  local
157 	ret = btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
158 	return ret;  in btrfs_insert_root()
176 	int ret;  in btrfs_find_dead_roots()  local
189 	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);  in btrfs_find_dead_roots()
190 	if (ret < 0)  in btrfs_find_dead_roots()
197 			ret = btrfs_next_leaf(root, path);  in btrfs_find_dead_roots()
198 			if (ret)  in btrfs_find_dead_roots()
226 			ret = PTR_ERR(dead_root);  in btrfs_find_dead_roots()
231 			ret = btrfs_add_dead_reloc_root(dead_root);  in btrfs_find_dead_roots()
233 			ret = btrfs_add_dead_root(dead_root, latest);  in btrfs_find_dead_roots()
234 		if (ret)  in btrfs_find_dead_roots()
241 	ret = 0;  in btrfs_find_dead_roots()
244 	return ret;  in btrfs_find_dead_roots()
252 	int ret;  in btrfs_del_root()  local
259 	ret = btrfs_search_slot(trans, root, key, path, -1, 1);  in btrfs_del_root()
260 	if (ret < 0)  in btrfs_del_root()
263 	BUG_ON(ret != 0);  in btrfs_del_root()
269 	ret = btrfs_del_item(trans, root, path);  in btrfs_del_root()
273 	return ret;  in btrfs_del_root()
282 	int ret;
291 	ret = btrfs_search_slot(trans, tree_root, &key, path, -1, 1);
292 	BUG_ON(ret);
294 	ret = btrfs_del_item(trans, tree_root, path);
295 	BUG_ON(ret);
298 	return ret;
307 	int ret;  in btrfs_find_root_ref()  local
313 	ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0);  in btrfs_find_root_ref()
314 	return ret;  in btrfs_find_root_ref()
338 	int ret;  in btrfs_add_root_ref()  local
351 	ret = btrfs_insert_empty_item(trans, tree_root, path, &key,  in btrfs_add_root_ref()
353 	BUG_ON(ret);  in btrfs_add_root_ref()
365 	return ret;  in btrfs_add_root_ref()