1133 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_create_tree()  local
1185 	ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item);  in btrfs_create_tree()
1284 static struct btrfs_root *read_tree_root_path(struct btrfs_root *tree_root,  in read_tree_root_path()  argument
1289 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in read_tree_root_path()
1298 	ret = btrfs_find_root(tree_root, key, path,  in read_tree_root_path()
1326 struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,  in btrfs_read_tree_root()  argument
1335 	root = read_tree_root_path(tree_root, path, key);  in btrfs_read_tree_root()
1430 		return btrfs_grab_root(fs_info->tree_root);  in btrfs_get_global_root()
1506 	btrfs_put_root(fs_info->tree_root);  in btrfs_free_fs_info()
1568 	root = btrfs_read_tree_root(fs_info->tree_root, &key);  in btrfs_get_root_ref()
1590 	ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);  in btrfs_get_root_ref()
1686 	root = read_tree_root_path(fs_info->tree_root, path, &key);  in btrfs_get_fs_root_commit_root()
1886 	btrfs_set_backup_tree_root(root_backup, info->tree_root->node->start);  in backup_super_roots()
1888 			       btrfs_header_generation(info->tree_root->node));  in backup_super_roots()
1891 			       btrfs_header_level(info->tree_root->node));  in backup_super_roots()
2030 	free_root_extent_buffers(info->tree_root);  in free_root_pointers()
2135 	BTRFS_I(inode)->root = btrfs_grab_root(fs_info->tree_root);  in btrfs_init_btree_inode()
2305 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_read_roots()  local
2310 	BUG_ON(!fs_info->tree_root);  in btrfs_read_roots()
2316 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2325 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2335 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2347 	root = btrfs_get_fs_root(tree_root->fs_info,  in btrfs_read_roots()
2357 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2365 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2377 		root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2621 	struct btrfs_root *tree_root = fs_info->tree_root;  in init_tree_roots()  local
2631 			if (!IS_ERR(tree_root->node))  in init_tree_roots()
2632 				free_extent_buffer(tree_root->node);  in init_tree_roots()
2633 			tree_root->node = NULL;  in init_tree_roots()
2656 		tree_root->node = read_tree_block(fs_info, btrfs_super_root(sb),  in init_tree_roots()
2658 		if (IS_ERR(tree_root->node)) {  in init_tree_roots()
2660 			ret = PTR_ERR(tree_root->node);  in init_tree_roots()
2661 			tree_root->node = NULL;  in init_tree_roots()
2665 		} else if (!extent_buffer_uptodate(tree_root->node)) {  in init_tree_roots()
2672 		btrfs_set_root_node(&tree_root->root_item, tree_root->node);  in init_tree_roots()
2673 		tree_root->commit_root = btrfs_root_node(tree_root);  in init_tree_roots()
2674 		btrfs_set_root_refs(&tree_root->root_item, 1);  in init_tree_roots()
2680 		ret = btrfs_find_highest_objectid(tree_root,  in init_tree_roots()
2681 						&tree_root->highest_objectid);  in init_tree_roots()
2687 		ASSERT(tree_root->highest_objectid <= BTRFS_LAST_FREE_OBJECTID);  in init_tree_roots()
2914 	struct btrfs_root *tree_root;  in open_ctree()  local
2928 	tree_root = btrfs_alloc_root(fs_info, BTRFS_ROOT_TREE_OBJECTID,  in open_ctree()
2930 	fs_info->tree_root = tree_root;  in open_ctree()
2934 	if (!tree_root || !chunk_root) {  in open_ctree()
3256 	fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,  in open_ctree()
3262 						   tree_root,  in open_ctree()
3319 		ret = btrfs_recover_relocation(tree_root);  in open_ctree()
3374 	    (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {  in open_ctree()
4055 	struct btrfs_root *root = fs_info->tree_root;  in btrfs_commit_super()
4753 		trace_btrfs_transaction_commit(fs_info->tree_root);  in btrfs_cleanup_transaction()