477 static int add_qgroup_relation_item(struct btrfs_trans_handle *trans,  in add_qgroup_relation_item()  argument
493 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key, 0);  in add_qgroup_relation_item()
501 static int del_qgroup_relation_item(struct btrfs_trans_handle *trans,  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()
532 static int add_qgroup_item(struct btrfs_trans_handle *trans,  in add_qgroup_item()  argument
559 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
567 	btrfs_set_qgroup_info_generation(leaf, qgroup_info, trans->transid);  in add_qgroup_item()
578 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
600 static int del_qgroup_item(struct btrfs_trans_handle *trans,  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()
646 static int update_qgroup_limit_item(struct btrfs_trans_handle *trans,  in update_qgroup_limit_item()  argument
665 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_limit_item()
688 static int update_qgroup_info_item(struct btrfs_trans_handle *trans,  in update_qgroup_info_item()  argument
710 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_info_item()
720 	btrfs_set_qgroup_info_generation(l, qgroup_info, trans->transid);  in update_qgroup_info_item()
733 static int update_qgroup_status_item(struct btrfs_trans_handle *trans,  in update_qgroup_status_item()  argument
752 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_status_item()
763 	btrfs_set_qgroup_status_generation(l, ptr, trans->transid);  in update_qgroup_status_item()
777 static int btrfs_clean_quota_tree(struct btrfs_trans_handle *trans,  in btrfs_clean_quota_tree()  argument
797 		ret = btrfs_search_slot(trans, root, &key, path, -1, 1);  in btrfs_clean_quota_tree()
810 		ret = btrfs_del_items(trans, root, path, 0, nr);  in btrfs_clean_quota_tree()
823 int btrfs_quota_enable(struct btrfs_trans_handle *trans,  in btrfs_quota_enable()  argument
852 	quota_root = btrfs_create_tree(trans, fs_info,  in btrfs_quota_enable()
869 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in btrfs_quota_enable()
877 	btrfs_set_qgroup_status_generation(leaf, ptr, trans->transid);  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()
954 int btrfs_quota_disable(struct btrfs_trans_handle *trans,  in btrfs_quota_disable()  argument
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()
985 	clean_tree_block(trans, tree_root->fs_info, quota_root->node);  in btrfs_quota_disable()
987 	btrfs_free_tree_block(trans, quota_root, quota_root->node, 0, 1);  in btrfs_quota_disable()
1108 int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans,  in btrfs_add_qgroup_relation()  argument
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()
1171 int __del_qgroup_relation(struct btrfs_trans_handle *trans,  in __del_qgroup_relation()  argument
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()
1221 int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans,  in btrfs_del_qgroup_relation()  argument
1227 	ret = __del_qgroup_relation(trans, fs_info, src, dst);  in btrfs_del_qgroup_relation()
1233 int btrfs_create_qgroup(struct btrfs_trans_handle *trans,  in btrfs_create_qgroup()  argument
1252 	ret = add_qgroup_item(trans, quota_root, qgroupid);  in btrfs_create_qgroup()
1267 int btrfs_remove_qgroup(struct btrfs_trans_handle *trans,  in btrfs_remove_qgroup()  argument
1293 	ret = del_qgroup_item(trans, quota_root, qgroupid);  in btrfs_remove_qgroup()
1298 		ret = __del_qgroup_relation(trans, fs_info,  in btrfs_remove_qgroup()
1313 int btrfs_limit_qgroup(struct btrfs_trans_handle *trans,  in btrfs_limit_qgroup()  argument
1347 	ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_limit_qgroup()
1469 int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans,  in btrfs_qgroup_record_ref()  argument
1517 	list_add_tail(&oper->list, &trans->qgroup_ref_list);  in btrfs_qgroup_record_ref()
1877 static int check_existing_refs(struct btrfs_trans_handle *trans,  in check_existing_refs()  argument
1886 	ret = btrfs_find_all_roots(trans, fs_info, oper->bytenr,  in check_existing_refs()
1945 static int qgroup_shared_accounting(struct btrfs_trans_handle *trans,  in qgroup_shared_accounting()  argument
1959 		ret = check_existing_refs(trans, fs_info, oper);  in qgroup_shared_accounting()
1977 	ret = btrfs_find_all_roots(trans, fs_info, oper->bytenr, elem.seq,  in qgroup_shared_accounting()
2061 static int qgroup_subtree_accounting(struct btrfs_trans_handle *trans,  in qgroup_subtree_accounting()  argument
2081 	ret = btrfs_find_all_roots(trans, fs_info, oper->bytenr,  in qgroup_subtree_accounting()
2167 static int btrfs_qgroup_account(struct btrfs_trans_handle *trans,  in btrfs_qgroup_account()  argument
2198 		ret = qgroup_shared_accounting(trans, fs_info, oper);  in btrfs_qgroup_account()
2201 		ret = qgroup_subtree_accounting(trans, fs_info, oper);  in btrfs_qgroup_account()
2213 int btrfs_delayed_qgroup_accounting(struct btrfs_trans_handle *trans,  in btrfs_delayed_qgroup_accounting()  argument
2219 	while (!list_empty(&trans->qgroup_ref_list)) {  in btrfs_delayed_qgroup_accounting()
2220 		oper = list_first_entry(&trans->qgroup_ref_list,  in btrfs_delayed_qgroup_accounting()
2223 		if (!ret || !trans->aborted)  in btrfs_delayed_qgroup_accounting()
2224 			ret = btrfs_qgroup_account(trans, fs_info, oper);  in btrfs_delayed_qgroup_accounting()
2237 int btrfs_run_qgroups(struct btrfs_trans_handle *trans,  in btrfs_run_qgroups()  argument
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()
2298 int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,  in btrfs_qgroup_inherit()  argument
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()
2621 void assert_qgroups_uptodate(struct btrfs_trans_handle *trans)  in assert_qgroups_uptodate()  argument
2623 	if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq)  in assert_qgroups_uptodate()
2625 	btrfs_err(trans->root->fs_info,  in assert_qgroups_uptodate()
2628 		trans, list_empty(&trans->qgroup_ref_list) ? "" : " not",  in assert_qgroups_uptodate()
2629 		(u32)(trans->delayed_ref_elem.seq >> 32),  in assert_qgroups_uptodate()
2630 		(u32)trans->delayed_ref_elem.seq);  in assert_qgroups_uptodate()
2640 		   struct btrfs_trans_handle *trans, struct ulist *qgroups,  in qgroup_rescan_leaf()  argument
2737 	struct btrfs_trans_handle *trans = NULL;  in btrfs_qgroup_rescan_worker()  local
2758 		trans = btrfs_start_transaction(fs_info->fs_root, 0);  in btrfs_qgroup_rescan_worker()
2759 		if (IS_ERR(trans)) {  in btrfs_qgroup_rescan_worker()
2760 			err = PTR_ERR(trans);  in btrfs_qgroup_rescan_worker()
2766 			err = qgroup_rescan_leaf(fs_info, path, trans,  in btrfs_qgroup_rescan_worker()
2770 			btrfs_commit_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan_worker()
2772 			btrfs_end_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan_worker()
2796 	trans = btrfs_start_transaction(fs_info->quota_root, 1);  in btrfs_qgroup_rescan_worker()
2797 	if (IS_ERR(trans)) {  in btrfs_qgroup_rescan_worker()
2798 		err = PTR_ERR(trans);  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()
2902 	struct btrfs_trans_handle *trans;  in btrfs_qgroup_rescan()  local
2919 	trans = btrfs_join_transaction(fs_info->fs_root);  in btrfs_qgroup_rescan()
2920 	if (IS_ERR(trans)) {  in btrfs_qgroup_rescan()
2922 		return PTR_ERR(trans);  in btrfs_qgroup_rescan()
2924 	ret = btrfs_commit_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan()