272 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_read_qgroup_config()  local
304 	ret = btrfs_search_slot_for_read(quota_root, &key, path, 1, 1);  in btrfs_read_qgroup_config()
384 		ret = btrfs_next_item(quota_root, path);  in btrfs_read_qgroup_config()
398 	ret = btrfs_search_slot_for_read(quota_root, &key, path, 1, 0);  in btrfs_read_qgroup_config()
426 		ret = btrfs_next_item(quota_root, path);  in btrfs_read_qgroup_config()
478 				    struct btrfs_root *quota_root,  in add_qgroup_relation_item()  argument
493 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key, 0);  in add_qgroup_relation_item()
502 				    struct btrfs_root *quota_root,  in del_qgroup_relation_item()  argument
517 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_relation_item()
526 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_relation_item()
533 			   struct btrfs_root *quota_root, u64 qgroupid)  in add_qgroup_item()  argument
542 	if (btrfs_test_is_dummy_root(quota_root))  in add_qgroup_item()
559 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
578 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
601 			   struct btrfs_root *quota_root, u64 qgroupid)  in del_qgroup_item()  argument
614 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_item()
623 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_item()
630 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_item()
639 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_item()
826 	struct btrfs_root *quota_root;  in btrfs_quota_enable()  local
838 	if (fs_info->quota_root) {  in btrfs_quota_enable()
852 	quota_root = btrfs_create_tree(trans, fs_info,  in btrfs_quota_enable()
854 	if (IS_ERR(quota_root)) {  in btrfs_quota_enable()
855 		ret =  PTR_ERR(quota_root);  in btrfs_quota_enable()
869 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in btrfs_quota_enable()
904 			ret = add_qgroup_item(trans, quota_root,  in btrfs_quota_enable()
924 	ret = add_qgroup_item(trans, quota_root, BTRFS_FS_TREE_OBJECTID);  in btrfs_quota_enable()
934 	fs_info->quota_root = quota_root;  in btrfs_quota_enable()
941 		free_extent_buffer(quota_root->node);  in btrfs_quota_enable()
942 		free_extent_buffer(quota_root->commit_root);  in btrfs_quota_enable()
943 		kfree(quota_root);  in btrfs_quota_enable()
958 	struct btrfs_root *quota_root;  in btrfs_quota_disable()  local
962 	if (!fs_info->quota_root)  in btrfs_quota_disable()
967 	quota_root = fs_info->quota_root;  in btrfs_quota_disable()
968 	fs_info->quota_root = NULL;  in btrfs_quota_disable()
974 	ret = btrfs_clean_quota_tree(trans, quota_root);  in btrfs_quota_disable()
978 	ret = btrfs_del_root(trans, tree_root, &quota_root->root_key);  in btrfs_quota_disable()
982 	list_del(&quota_root->dirty_list);  in btrfs_quota_disable()
984 	btrfs_tree_lock(quota_root->node);  in btrfs_quota_disable()
985 	clean_tree_block(trans, tree_root->fs_info, quota_root->node);  in btrfs_quota_disable()
986 	btrfs_tree_unlock(quota_root->node);  in btrfs_quota_disable()
987 	btrfs_free_tree_block(trans, quota_root, quota_root->node, 0, 1);  in btrfs_quota_disable()
989 	free_extent_buffer(quota_root->node);  in btrfs_quota_disable()
990 	free_extent_buffer(quota_root->commit_root);  in btrfs_quota_disable()
991 	kfree(quota_root);  in btrfs_quota_disable()
1111 	struct btrfs_root *quota_root;  in btrfs_add_qgroup_relation()  local
1127 	quota_root = fs_info->quota_root;  in btrfs_add_qgroup_relation()
1128 	if (!quota_root) {  in btrfs_add_qgroup_relation()
1147 	ret = add_qgroup_relation_item(trans, quota_root, src, dst);  in btrfs_add_qgroup_relation()
1151 	ret = add_qgroup_relation_item(trans, quota_root, dst, src);  in btrfs_add_qgroup_relation()
1153 		del_qgroup_relation_item(trans, quota_root, src, dst);  in btrfs_add_qgroup_relation()
1158 	ret = add_relation_rb(quota_root->fs_info, src, dst);  in btrfs_add_qgroup_relation()
1174 	struct btrfs_root *quota_root;  in __del_qgroup_relation()  local
1186 	quota_root = fs_info->quota_root;  in __del_qgroup_relation()
1187 	if (!quota_root) {  in __del_qgroup_relation()
1207 	ret = del_qgroup_relation_item(trans, quota_root, src, dst);  in __del_qgroup_relation()
1208 	err = del_qgroup_relation_item(trans, quota_root, dst, src);  in __del_qgroup_relation()
1236 	struct btrfs_root *quota_root;  in btrfs_create_qgroup()  local
1241 	quota_root = fs_info->quota_root;  in btrfs_create_qgroup()
1242 	if (!quota_root) {  in btrfs_create_qgroup()
1252 	ret = add_qgroup_item(trans, quota_root, qgroupid);  in btrfs_create_qgroup()
1270 	struct btrfs_root *quota_root;  in btrfs_remove_qgroup()  local
1276 	quota_root = fs_info->quota_root;  in btrfs_remove_qgroup()
1277 	if (!quota_root) {  in btrfs_remove_qgroup()
1293 	ret = del_qgroup_item(trans, quota_root, qgroupid);  in btrfs_remove_qgroup()
1306 	del_qgroup_rb(quota_root->fs_info, qgroupid);  in btrfs_remove_qgroup()
1317 	struct btrfs_root *quota_root;  in btrfs_limit_qgroup()  local
1322 	quota_root = fs_info->quota_root;  in btrfs_limit_qgroup()
1323 	if (!quota_root) {  in btrfs_limit_qgroup()
1347 	ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_limit_qgroup()
1537 	if (!fs_info->quota_root)  in qgroup_excl_accounting()
2176 	BUG_ON(!fs_info->quota_root);  in btrfs_qgroup_account()
2240 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_run_qgroups()  local
2244 	if (!quota_root)  in btrfs_run_qgroups()
2259 		ret = update_qgroup_info_item(trans, quota_root, qgroup);  in btrfs_run_qgroups()
2263 		ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_run_qgroups()
2275 	ret = update_qgroup_status_item(trans, fs_info, quota_root);  in btrfs_run_qgroups()
2305 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_qgroup_inherit()  local
2315 	if (!quota_root) {  in btrfs_qgroup_inherit()
2342 	ret = add_qgroup_item(trans, quota_root, objectid);  in btrfs_qgroup_inherit()
2370 			ret = add_qgroup_relation_item(trans, quota_root,  in btrfs_qgroup_inherit()
2374 			ret = add_qgroup_relation_item(trans, quota_root,  in btrfs_qgroup_inherit()
2398 		ret = update_qgroup_limit_item(trans, quota_root, dstgroup);  in btrfs_qgroup_inherit()
2440 		ret = add_relation_rb(quota_root->fs_info, objectid,  in btrfs_qgroup_inherit()
2489 	struct btrfs_root *quota_root;  in btrfs_qgroup_reserve()  local
2504 	quota_root = fs_info->quota_root;  in btrfs_qgroup_reserve()
2505 	if (!quota_root)  in btrfs_qgroup_reserve()
2570 	struct btrfs_root *quota_root;  in btrfs_qgroup_free()  local
2586 	quota_root = fs_info->quota_root;  in btrfs_qgroup_free()
2587 	if (!quota_root)  in btrfs_qgroup_free()
2796 	trans = btrfs_start_transaction(fs_info->quota_root, 1);  in btrfs_qgroup_rescan_worker()
2804 	ret = update_qgroup_status_item(trans, fs_info, fs_info->quota_root);  in btrfs_qgroup_rescan_worker()
2809 	btrfs_end_transaction(trans, fs_info->quota_root);  in btrfs_qgroup_rescan_worker()