509 static int add_qgroup_relation_item(struct btrfs_trans_handle *trans,  in add_qgroup_relation_item()  argument
525 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key, 0);  in add_qgroup_relation_item()
533 static int del_qgroup_relation_item(struct btrfs_trans_handle *trans,  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()
564 static int add_qgroup_item(struct btrfs_trans_handle *trans,  in add_qgroup_item()  argument
591 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
599 	btrfs_set_qgroup_info_generation(leaf, qgroup_info, trans->transid);  in add_qgroup_item()
610 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in add_qgroup_item()
632 static int del_qgroup_item(struct btrfs_trans_handle *trans,  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()
678 static int update_qgroup_limit_item(struct btrfs_trans_handle *trans,  in update_qgroup_limit_item()  argument
697 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_limit_item()
720 static int update_qgroup_info_item(struct btrfs_trans_handle *trans,  in update_qgroup_info_item()  argument
742 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_info_item()
752 	btrfs_set_qgroup_info_generation(l, qgroup_info, trans->transid);  in update_qgroup_info_item()
765 static int update_qgroup_status_item(struct btrfs_trans_handle *trans,  in update_qgroup_status_item()  argument
784 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_qgroup_status_item()
795 	btrfs_set_qgroup_status_generation(l, ptr, trans->transid);  in update_qgroup_status_item()
809 static int btrfs_clean_quota_tree(struct btrfs_trans_handle *trans,  in btrfs_clean_quota_tree()  argument
829 		ret = btrfs_search_slot(trans, root, &key, path, -1, 1);  in btrfs_clean_quota_tree()
842 		ret = btrfs_del_items(trans, root, path, 0, nr);  in btrfs_clean_quota_tree()
855 int btrfs_quota_enable(struct btrfs_trans_handle *trans,  in btrfs_quota_enable()  argument
884 	quota_root = btrfs_create_tree(trans, fs_info,  in btrfs_quota_enable()
901 	ret = btrfs_insert_empty_item(trans, quota_root, path, &key,  in btrfs_quota_enable()
909 	btrfs_set_qgroup_status_generation(leaf, ptr, trans->transid);  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()
986 int btrfs_quota_disable(struct btrfs_trans_handle *trans,  in btrfs_quota_disable()  argument
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()
1018 	clean_tree_block(trans, tree_root->fs_info, quota_root->node);  in btrfs_quota_disable()
1020 	btrfs_free_tree_block(trans, quota_root, quota_root->node, 0, 1);  in btrfs_quota_disable()
1141 int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans,  in btrfs_add_qgroup_relation()  argument
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()
1204 int __del_qgroup_relation(struct btrfs_trans_handle *trans,  in __del_qgroup_relation()  argument
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()
1254 int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans,  in btrfs_del_qgroup_relation()  argument
1260 	ret = __del_qgroup_relation(trans, fs_info, src, dst);  in btrfs_del_qgroup_relation()
1266 int btrfs_create_qgroup(struct btrfs_trans_handle *trans,  in btrfs_create_qgroup()  argument
1285 	ret = add_qgroup_item(trans, quota_root, qgroupid);  in btrfs_create_qgroup()
1300 int btrfs_remove_qgroup(struct btrfs_trans_handle *trans,  in btrfs_remove_qgroup()  argument
1326 	ret = del_qgroup_item(trans, quota_root, qgroupid);  in btrfs_remove_qgroup()
1331 		ret = __del_qgroup_relation(trans, fs_info,  in btrfs_remove_qgroup()
1346 int btrfs_limit_qgroup(struct btrfs_trans_handle *trans,  in btrfs_limit_qgroup()  argument
1413 	ret = update_qgroup_limit_item(trans, quota_root, qgroup);  in btrfs_limit_qgroup()
1425 int btrfs_qgroup_prepare_account_extents(struct btrfs_trans_handle *trans,  in btrfs_qgroup_prepare_account_extents()  argument
1434 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_qgroup_prepare_account_extents()
1665 btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans,  in btrfs_qgroup_account_extent()  argument
1739 int btrfs_qgroup_account_extents(struct btrfs_trans_handle *trans,  in btrfs_qgroup_account_extents()  argument
1749 	delayed_refs = &trans->transaction->delayed_refs;  in btrfs_qgroup_account_extents()
1761 			ret = btrfs_find_all_roots(trans, fs_info,  in btrfs_qgroup_account_extents()
1767 			ret = btrfs_qgroup_account_extent(trans, fs_info,  in btrfs_qgroup_account_extents()
1787 int btrfs_run_qgroups(struct btrfs_trans_handle *trans,  in btrfs_run_qgroups()  argument
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()
1848 int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,  in btrfs_qgroup_inherit()  argument
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()
2175 void assert_qgroups_uptodate(struct btrfs_trans_handle *trans)  in assert_qgroups_uptodate()  argument
2177 	if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq)  in assert_qgroups_uptodate()
2179 	btrfs_err(trans->root->fs_info,  in assert_qgroups_uptodate()
2182 		trans, list_empty(&trans->qgroup_ref_list) ? "" : " not",  in assert_qgroups_uptodate()
2183 		(u32)(trans->delayed_ref_elem.seq >> 32),  in assert_qgroups_uptodate()
2184 		(u32)trans->delayed_ref_elem.seq);  in assert_qgroups_uptodate()
2194 		   struct btrfs_trans_handle *trans)  in qgroup_rescan_leaf()  argument
2262 		ret = btrfs_qgroup_account_extent(trans, fs_info,  in qgroup_rescan_leaf()
2282 	struct btrfs_trans_handle *trans = NULL;  in btrfs_qgroup_rescan_worker()  local
2292 		trans = btrfs_start_transaction(fs_info->fs_root, 0);  in btrfs_qgroup_rescan_worker()
2293 		if (IS_ERR(trans)) {  in btrfs_qgroup_rescan_worker()
2294 			err = PTR_ERR(trans);  in btrfs_qgroup_rescan_worker()
2300 			err = qgroup_rescan_leaf(fs_info, path, trans);  in btrfs_qgroup_rescan_worker()
2303 			btrfs_commit_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan_worker()
2305 			btrfs_end_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan_worker()
2327 	trans = btrfs_start_transaction(fs_info->quota_root, 1);  in btrfs_qgroup_rescan_worker()
2328 	if (IS_ERR(trans)) {  in btrfs_qgroup_rescan_worker()
2329 		err = PTR_ERR(trans);  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()
2434 	struct btrfs_trans_handle *trans;  in btrfs_qgroup_rescan()  local
2451 	trans = btrfs_join_transaction(fs_info->fs_root);  in btrfs_qgroup_rescan()
2452 	if (IS_ERR(trans)) {  in btrfs_qgroup_rescan()
2454 		return PTR_ERR(trans);  in btrfs_qgroup_rescan()
2456 	ret = btrfs_commit_transaction(trans, fs_info->fs_root);  in btrfs_qgroup_rescan()