1312 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_create_tree()  local
1322 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_create_tree()
1323 		tree_root->stripesize, root, fs_info, objectid);  in btrfs_create_tree()
1368 	ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item);  in btrfs_create_tree()
1391 	struct btrfs_root *tree_root = fs_info->tree_root;  in alloc_log_tree()  local
1398 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in alloc_log_tree()
1399 		     tree_root->stripesize, root, fs_info,  in alloc_log_tree()
1479 static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,  in btrfs_read_tree_root()  argument
1483 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in btrfs_read_tree_root()
1498 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_read_tree_root()
1499 		tree_root->stripesize, root, fs_info, key->objectid);  in btrfs_read_tree_root()
1501 	ret = btrfs_find_root(tree_root, key, path,  in btrfs_read_tree_root()
1533 struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,  in btrfs_read_fs_root()  argument
1538 	root = btrfs_read_tree_root(tree_root, location);  in btrfs_read_fs_root()
1645 		return fs_info->tree_root;  in btrfs_get_fs_root()
1668 	root = btrfs_read_fs_root(fs_info->tree_root, location);  in btrfs_get_fs_root()
1690 	ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);  in btrfs_get_fs_root()
1952 	    btrfs_header_generation(info->tree_root->node))  in backup_super_roots()
1965 	btrfs_set_backup_tree_root(root_backup, info->tree_root->node->start);  in backup_super_roots()
1967 			       btrfs_header_generation(info->tree_root->node));  in backup_super_roots()
1970 			       btrfs_header_level(info->tree_root->node));  in backup_super_roots()
2113 	free_root_extent_buffers(info->tree_root);  in free_root_pointers()
2156 		btrfs_destroy_pinned_extent(fs_info->tree_root,  in btrfs_free_fs_roots()
2184 				   struct btrfs_root *tree_root)  in btrfs_init_btree_inode()  argument
2204 	BTRFS_I(fs_info->btree_inode)->root = tree_root;  in btrfs_init_btree_inode()
2320 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_replay_log()  local
2335 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_replay_log()
2336 			tree_root->stripesize, log_tree_root, fs_info,  in btrfs_replay_log()
2339 	log_tree_root->node = read_tree_block(tree_root, bytenr,  in btrfs_replay_log()
2351 		btrfs_error(tree_root->fs_info, ret,  in btrfs_replay_log()
2359 		ret = btrfs_commit_super(tree_root);  in btrfs_replay_log()
2368 			    struct btrfs_root *tree_root)  in btrfs_read_roots()  argument
2378 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2385 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2393 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2400 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2409 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2435 	struct btrfs_root *tree_root;  in open_ctree()  local
2443 	tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info);  in open_ctree()
2445 	if (!tree_root || !chunk_root) {  in open_ctree()
2573 	btrfs_init_btree_inode(fs_info, tree_root);  in open_ctree()
2619 	__setup_root(4096, 4096, 4096, tree_root,  in open_ctree()
2684 	ret = btrfs_parse_options(tree_root, options);  in open_ctree()
2722 	if (tree_root->fs_info->compress_type == BTRFS_COMPRESS_LZO)  in open_ctree()
2784 	tree_root->nodesize = nodesize;  in open_ctree()
2785 	tree_root->sectorsize = sectorsize;  in open_ctree()
2786 	tree_root->stripesize = stripesize;  in open_ctree()
2803 	ret = btrfs_read_sys_array(tree_root);  in open_ctree()
2853 	tree_root->node = read_tree_block(tree_root,  in open_ctree()
2856 	if (!tree_root->node ||  in open_ctree()
2857 	    !test_bit(EXTENT_BUFFER_UPTODATE, &tree_root->node->bflags)) {  in open_ctree()
2864 	btrfs_set_root_node(&tree_root->root_item, tree_root->node);  in open_ctree()
2865 	tree_root->commit_root = btrfs_root_node(tree_root);  in open_ctree()
2866 	btrfs_set_root_refs(&tree_root->root_item, 1);  in open_ctree()
2868 	mutex_lock(&tree_root->objectid_mutex);  in open_ctree()
2869 	ret = btrfs_find_highest_objectid(tree_root,  in open_ctree()
2870 					&tree_root->highest_objectid);  in open_ctree()
2872 		mutex_unlock(&tree_root->objectid_mutex);  in open_ctree()
2876 	ASSERT(tree_root->highest_objectid <= BTRFS_LAST_FREE_OBJECTID);  in open_ctree()
2878 	mutex_unlock(&tree_root->objectid_mutex);  in open_ctree()
2880 	ret = btrfs_read_roots(fs_info, tree_root);  in open_ctree()
2935 	fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,  in open_ctree()
2941 						   tree_root,  in open_ctree()
2946 	if (!btrfs_test_opt(tree_root, SSD) &&  in open_ctree()
2947 	    !btrfs_test_opt(tree_root, NOSSD) &&  in open_ctree()
2961 	if (btrfs_test_opt(tree_root, CHECK_INTEGRITY)) {  in open_ctree()
2962 		ret = btrfsic_mount(tree_root, fs_devices,  in open_ctree()
2963 				    btrfs_test_opt(tree_root,  in open_ctree()
2985 	ret = btrfs_find_orphan_roots(tree_root);  in open_ctree()
2995 		ret = btrfs_recover_relocation(tree_root);  in open_ctree()
3020 	    (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {  in open_ctree()
3022 		close_ctree(tree_root);  in open_ctree()
3030 		close_ctree(tree_root);  in open_ctree()
3037 		close_ctree(tree_root);  in open_ctree()
3049 			close_ctree(tree_root);  in open_ctree()
3052 	} else if (btrfs_test_opt(tree_root, RESCAN_UUID_TREE) ||  in open_ctree()
3060 			close_ctree(tree_root);  in open_ctree()
3075 	btrfs_cleanup_transaction(fs_info->tree_root);  in open_ctree()
3120 	if (!btrfs_test_opt(tree_root, RECOVERY))  in open_ctree()