1175 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_create_tree()  local
1229 	ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item);  in btrfs_create_tree()
1350 static struct btrfs_root *read_tree_root_path(struct btrfs_root *tree_root,  in read_tree_root_path()  argument
1355 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in read_tree_root_path()
1364 	ret = btrfs_find_root(tree_root, key, path,  in read_tree_root_path()
1410 struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,  in btrfs_read_tree_root()  argument
1419 	root = read_tree_root_path(tree_root, path, key);  in btrfs_read_tree_root()
1507 		return btrfs_grab_root(fs_info->tree_root);  in btrfs_get_global_root()
1600 	btrfs_put_root(fs_info->tree_root);  in btrfs_free_fs_info()
1662 	root = btrfs_read_tree_root(fs_info->tree_root, &key);  in btrfs_get_root_ref()
1684 	ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);  in btrfs_get_root_ref()
1780 	root = read_tree_root_path(fs_info->tree_root, path, &key);  in btrfs_get_fs_root_commit_root()
1968 	btrfs_set_backup_tree_root(root_backup, info->tree_root->node->start);  in backup_super_roots()
1970 			       btrfs_header_generation(info->tree_root->node));  in backup_super_roots()
1973 			       btrfs_header_level(info->tree_root->node));  in backup_super_roots()
2133 	free_root_extent_buffers(info->tree_root);  in free_root_pointers()
2220 					      fs_info->tree_root);  in btrfs_init_btree_inode()
2237 	BTRFS_I(inode)->root = btrfs_grab_root(fs_info->tree_root);  in btrfs_init_btree_inode()
2403 static int load_global_roots_objectid(struct btrfs_root *tree_root,  in load_global_roots_objectid()  argument
2407 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in load_global_roots_objectid()
2426 		ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0);  in load_global_roots_objectid()
2431 			ret = btrfs_next_leaf(tree_root, path);  in load_global_roots_objectid()
2453 		root = read_tree_root_path(tree_root, path, &key);  in load_global_roots_objectid()
2485 static int load_global_roots(struct btrfs_root *tree_root)  in load_global_roots()  argument
2494 	ret = load_global_roots_objectid(tree_root, path,  in load_global_roots()
2498 	ret = load_global_roots_objectid(tree_root, path,  in load_global_roots()
2502 	if (!btrfs_fs_compat_ro(tree_root->fs_info, FREE_SPACE_TREE))  in load_global_roots()
2504 	ret = load_global_roots_objectid(tree_root, path,  in load_global_roots()
2514 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_read_roots()  local
2519 	BUG_ON(!fs_info->tree_root);  in btrfs_read_roots()
2521 	ret = load_global_roots(tree_root);  in btrfs_read_roots()
2530 		root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2543 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2562 	root = btrfs_get_fs_root(tree_root->fs_info,  in btrfs_read_roots()
2575 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2583 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2879 	ret = load_super_root(fs_info->tree_root, bytenr, gen, level);  in load_important_roots()
2891 	struct btrfs_root *tree_root = fs_info->tree_root;  in init_tree_roots()  local
2898 			if (!IS_ERR(tree_root->node))  in init_tree_roots()
2899 				free_extent_buffer(tree_root->node);  in init_tree_roots()
2900 			tree_root->node = NULL;  in init_tree_roots()
2932 		ret = btrfs_init_root_free_objectid(tree_root);  in init_tree_roots()
2938 		ASSERT(tree_root->free_objectid <= BTRFS_LAST_FREE_OBJECTID);  in init_tree_roots()
2947 		fs_info->generation = btrfs_header_generation(tree_root->node);  in init_tree_roots()
3239 	    (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {  in btrfs_start_pre_rw_mount()
3413 	struct btrfs_root *tree_root;  in open_ctree()  local
3426 	tree_root = btrfs_alloc_root(fs_info, BTRFS_ROOT_TREE_OBJECTID,  in open_ctree()
3428 	fs_info->tree_root = tree_root;  in open_ctree()
3432 	if (!tree_root || !chunk_root) {  in open_ctree()
3735 						   tree_root,  in open_ctree()
4484 	struct btrfs_root *root = fs_info->tree_root;  in btrfs_commit_super()