304 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_read_qgroup_config()  local
336 	ret = btrfs_search_slot_for_read(quota_root, &key, path, 1, 1);  in btrfs_read_qgroup_config()
416 		ret = btrfs_next_item(quota_root, path);  in btrfs_read_qgroup_config()
430 	ret = btrfs_search_slot_for_read(quota_root, &key, path, 1, 0);  in btrfs_read_qgroup_config()
458 		ret = btrfs_next_item(quota_root, path);  in btrfs_read_qgroup_config()
510 				    struct btrfs_root *quota_root,  in add_qgroup_relation_item()  argument
525 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key, 0);  in add_qgroup_relation_item()
534 				    struct btrfs_root *quota_root,  in del_qgroup_relation_item()  argument
549 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_relation_item()
558 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_relation_item()
565 			   struct btrfs_root *quota_root, u64 qgroupid)  in add_qgroup_item()  argument
574 	if (btrfs_test_is_dummy_root(quota_root))  in add_qgroup_item()
591 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
610 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
633 			   struct btrfs_root *quota_root, u64 qgroupid)  in del_qgroup_item()  argument
646 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_item()
655 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_item()
662 	ret = btrfs_search_slot(trans, quota_root, &key, path, -1, 1);  in del_qgroup_item()
671 	ret = btrfs_del_item(trans, quota_root, path);  in del_qgroup_item()
858 	struct btrfs_root *quota_root;  in btrfs_quota_enable()  local
870 	if (fs_info->quota_root) {  in btrfs_quota_enable()
884 	quota_root = btrfs_create_tree(trans, fs_info,  in btrfs_quota_enable()
886 	if (IS_ERR(quota_root)) {  in btrfs_quota_enable()
887 		ret =  PTR_ERR(quota_root);  in btrfs_quota_enable()
901 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in btrfs_quota_enable()
936 			ret = add_qgroup_item(trans, quota_root,  in btrfs_quota_enable()
956 	ret = add_qgroup_item(trans, quota_root, BTRFS_FS_TREE_OBJECTID);  in btrfs_quota_enable()
966 	fs_info->quota_root = quota_root;  in btrfs_quota_enable()
973 		free_extent_buffer(quota_root->node);  in btrfs_quota_enable()
974 		free_extent_buffer(quota_root->commit_root);  in btrfs_quota_enable()
975 		kfree(quota_root);  in btrfs_quota_enable()
990 	struct btrfs_root *quota_root;  in btrfs_quota_disable()  local
994 	if (!fs_info->quota_root)  in btrfs_quota_disable()
1000 	quota_root = fs_info->quota_root;  in btrfs_quota_disable()
1001 	fs_info->quota_root = NULL;  in btrfs_quota_disable()
1007 	ret = btrfs_clean_quota_tree(trans, quota_root);  in btrfs_quota_disable()
1011 	ret = btrfs_del_root(trans, tree_root, &quota_root->root_key);  in btrfs_quota_disable()
1015 	list_del(&quota_root->dirty_list);  in btrfs_quota_disable()
1017 	btrfs_tree_lock(quota_root->node);  in btrfs_quota_disable()
1018 	clean_tree_block(trans, tree_root->fs_info, quota_root->node);  in btrfs_quota_disable()
1019 	btrfs_tree_unlock(quota_root->node);  in btrfs_quota_disable()
1020 	btrfs_free_tree_block(trans, quota_root, quota_root->node, 0, 1);  in btrfs_quota_disable()
1022 	free_extent_buffer(quota_root->node);  in btrfs_quota_disable()
1023 	free_extent_buffer(quota_root->commit_root);  in btrfs_quota_disable()
1024 	kfree(quota_root);  in btrfs_quota_disable()
1144 	struct btrfs_root *quota_root;  in btrfs_add_qgroup_relation()  local
1160 	quota_root = fs_info->quota_root;  in btrfs_add_qgroup_relation()
1161 	if (!quota_root) {  in btrfs_add_qgroup_relation()
1180 	ret = add_qgroup_relation_item(trans, quota_root, src, dst);  in btrfs_add_qgroup_relation()
1184 	ret = add_qgroup_relation_item(trans, quota_root, dst, src);  in btrfs_add_qgroup_relation()
1186 		del_qgroup_relation_item(trans, quota_root, src, dst);  in btrfs_add_qgroup_relation()
1191 	ret = add_relation_rb(quota_root->fs_info, src, dst);  in btrfs_add_qgroup_relation()
1207 	struct btrfs_root *quota_root;  in __del_qgroup_relation()  local
1219 	quota_root = fs_info->quota_root;  in __del_qgroup_relation()
1220 	if (!quota_root) {  in __del_qgroup_relation()
1240 	ret = del_qgroup_relation_item(trans, quota_root, src, dst);  in __del_qgroup_relation()
1241 	err = del_qgroup_relation_item(trans, quota_root, dst, src);  in __del_qgroup_relation()
1269 	struct btrfs_root *quota_root;  in btrfs_create_qgroup()  local
1274 	quota_root = fs_info->quota_root;  in btrfs_create_qgroup()
1275 	if (!quota_root) {  in btrfs_create_qgroup()
1285 	ret = add_qgroup_item(trans, quota_root, qgroupid);  in btrfs_create_qgroup()
1303 	struct btrfs_root *quota_root;  in btrfs_remove_qgroup()  local
1309 	quota_root = fs_info->quota_root;  in btrfs_remove_qgroup()
1310 	if (!quota_root) {  in btrfs_remove_qgroup()
1326 	ret = del_qgroup_item(trans, quota_root, qgroupid);  in btrfs_remove_qgroup()
1339 	del_qgroup_rb(quota_root->fs_info, qgroupid);  in btrfs_remove_qgroup()
1350 	struct btrfs_root *quota_root;  in btrfs_limit_qgroup()  local
1360 	quota_root = fs_info->quota_root;  in btrfs_limit_qgroup()
1361 	if (!quota_root) {  in btrfs_limit_qgroup()
1413 	ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_limit_qgroup()
1684 	BUG_ON(!fs_info->quota_root);  in btrfs_qgroup_account_extent()
1790 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_run_qgroups()  local
1794 	if (!quota_root)  in btrfs_run_qgroups()
1809 		ret = update_qgroup_info_item(trans, quota_root, qgroup);  in btrfs_run_qgroups()
1813 		ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_run_qgroups()
1825 	ret = update_qgroup_status_item(trans, fs_info, quota_root);  in btrfs_run_qgroups()
1855 	struct btrfs_root *quota_root = fs_info->quota_root;  in btrfs_qgroup_inherit()  local
1865 	if (!quota_root) {  in btrfs_qgroup_inherit()
1892 	ret = add_qgroup_item(trans, quota_root, objectid);  in btrfs_qgroup_inherit()
1920 			ret = add_qgroup_relation_item(trans, quota_root,  in btrfs_qgroup_inherit()
1924 			ret = add_qgroup_relation_item(trans, quota_root,  in btrfs_qgroup_inherit()
1948 		ret = update_qgroup_limit_item(trans, quota_root, dstgroup);  in btrfs_qgroup_inherit()
1990 		ret = add_relation_rb(quota_root->fs_info, objectid,  in btrfs_qgroup_inherit()
2039 	struct btrfs_root *quota_root;  in qgroup_reserve()  local
2054 	quota_root = fs_info->quota_root;  in qgroup_reserve()
2055 	if (!quota_root)  in qgroup_reserve()
2121 	struct btrfs_root *quota_root;  in btrfs_qgroup_free_refroot()  local
2135 	quota_root = fs_info->quota_root;  in btrfs_qgroup_free_refroot()
2136 	if (!quota_root)  in btrfs_qgroup_free_refroot()
2327 	trans = btrfs_start_transaction(fs_info->quota_root, 1);  in btrfs_qgroup_rescan_worker()
2335 	ret = update_qgroup_status_item(trans, fs_info, fs_info->quota_root);  in btrfs_qgroup_rescan_worker()
2340 	btrfs_end_transaction(trans, fs_info->quota_root);  in btrfs_qgroup_rescan_worker()