1270 	memset(&root->root_item, 0, sizeof(root->root_item));  in __setup_root()
1352 	root->root_item.flags = 0;  in btrfs_create_tree()
1353 	root->root_item.byte_limit = 0;  in btrfs_create_tree()
1354 	btrfs_set_root_bytenr(&root->root_item, leaf->start);  in btrfs_create_tree()
1355 	btrfs_set_root_generation(&root->root_item, trans->transid);  in btrfs_create_tree()
1356 	btrfs_set_root_level(&root->root_item, 0);  in btrfs_create_tree()
1357 	btrfs_set_root_refs(&root->root_item, 1);  in btrfs_create_tree()
1358 	btrfs_set_root_used(&root->root_item, leaf->len);  in btrfs_create_tree()
1359 	btrfs_set_root_last_snapshot(&root->root_item, 0);  in btrfs_create_tree()
1360 	btrfs_set_root_dirid(&root->root_item, 0);  in btrfs_create_tree()
1362 	memcpy(root->root_item.uuid, uuid.b, BTRFS_UUID_SIZE);  in btrfs_create_tree()
1363 	root->root_item.drop_level = 0;  in btrfs_create_tree()
1368 	ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item);  in btrfs_create_tree()
1462 	inode_item = &log_root->root_item.inode;  in btrfs_add_log_tree()
1469 	btrfs_set_root_node(&log_root->root_item, log_root->node);  in btrfs_add_log_tree()
1502 			      &root->root_item, &root->root_key);  in btrfs_read_tree_root()
1509 	generation = btrfs_root_generation(&root->root_item);  in btrfs_read_tree_root()
1510 	root->node = read_tree_block(root, btrfs_root_bytenr(&root->root_item),  in btrfs_read_tree_root()
1544 		btrfs_check_and_init_root_item(&root->root_item);  in btrfs_read_fs_root()
1663 		if (check_ref && btrfs_root_refs(&root->root_item) == 0)  in btrfs_get_fs_root()
1672 	if (check_ref && btrfs_root_refs(&root->root_item) == 0) {  in btrfs_get_fs_root()
2825 	btrfs_set_root_node(&chunk_root->root_item, chunk_root->node);  in open_ctree()
2864 	btrfs_set_root_node(&tree_root->root_item, tree_root->node);  in open_ctree()
2866 	btrfs_set_root_refs(&tree_root->root_item, 1);  in open_ctree()
3608 	if (btrfs_root_refs(&root->root_item) == 0)  in btrfs_drop_and_free_fs_root()
3666 			if (btrfs_root_refs(&gang[i]->root_item) == 0) {  in btrfs_cleanup_fs_roots()