1321 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_create_tree()  local
1331 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_create_tree()
1332 		tree_root->stripesize, root, fs_info, objectid);  in btrfs_create_tree()
1377 	ret = btrfs_insert_root(trans, tree_root, &key, &root->root_item);  in btrfs_create_tree()
1400 	struct btrfs_root *tree_root = fs_info->tree_root;  in alloc_log_tree()  local
1407 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in alloc_log_tree()
1408 		     tree_root->stripesize, root, fs_info,  in alloc_log_tree()
1488 static struct btrfs_root *btrfs_read_tree_root(struct btrfs_root *tree_root,  in btrfs_read_tree_root()  argument
1492 	struct btrfs_fs_info *fs_info = tree_root->fs_info;  in btrfs_read_tree_root()
1507 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_read_tree_root()
1508 		tree_root->stripesize, root, fs_info, key->objectid);  in btrfs_read_tree_root()
1510 	ret = btrfs_find_root(tree_root, key, path,  in btrfs_read_tree_root()
1541 struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,  in btrfs_read_fs_root()  argument
1546 	root = btrfs_read_tree_root(tree_root, location);  in btrfs_read_fs_root()
1653 		return fs_info->tree_root;  in btrfs_get_fs_root()
1676 	root = btrfs_read_fs_root(fs_info->tree_root, location);  in btrfs_get_fs_root()
1698 	ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);  in btrfs_get_fs_root()
1998 	    btrfs_header_generation(info->tree_root->node))  in backup_super_roots()
2011 	btrfs_set_backup_tree_root(root_backup, info->tree_root->node->start);  in backup_super_roots()
2013 			       btrfs_header_generation(info->tree_root->node));  in backup_super_roots()
2016 			       btrfs_header_level(info->tree_root->node));  in backup_super_roots()
2159 	free_root_extent_buffers(info->tree_root);  in free_root_pointers()
2202 		btrfs_destroy_pinned_extent(fs_info->tree_root,  in btrfs_free_fs_roots()
2230 				   struct btrfs_root *tree_root)  in btrfs_init_btree_inode()  argument
2250 	BTRFS_I(fs_info->btree_inode)->root = tree_root;  in btrfs_init_btree_inode()
2366 	struct btrfs_root *tree_root = fs_info->tree_root;  in btrfs_replay_log()  local
2380 	__setup_root(tree_root->nodesize, tree_root->sectorsize,  in btrfs_replay_log()
2381 			tree_root->stripesize, log_tree_root, fs_info,  in btrfs_replay_log()
2384 	log_tree_root->node = read_tree_block(tree_root, bytenr,  in btrfs_replay_log()
2400 		btrfs_std_error(tree_root->fs_info, ret,  in btrfs_replay_log()
2408 		ret = btrfs_commit_super(tree_root);  in btrfs_replay_log()
2417 			    struct btrfs_root *tree_root)  in btrfs_read_roots()  argument
2427 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2434 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2442 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2449 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2458 	root = btrfs_read_tree_root(tree_root, &location);  in btrfs_read_roots()
2484 	struct btrfs_root *tree_root;  in open_ctree()  local
2492 	tree_root = fs_info->tree_root = btrfs_alloc_root(fs_info);  in open_ctree()
2494 	if (!tree_root || !chunk_root) {  in open_ctree()
2622 	btrfs_init_btree_inode(fs_info, tree_root);  in open_ctree()
2667 	__setup_root(4096, 4096, 4096, tree_root,  in open_ctree()
2732 	ret = btrfs_parse_options(tree_root, options);  in open_ctree()
2770 	if (tree_root->fs_info->compress_type == BTRFS_COMPRESS_LZO)  in open_ctree()
2832 	tree_root->nodesize = nodesize;  in open_ctree()
2833 	tree_root->sectorsize = sectorsize;  in open_ctree()
2834 	tree_root->stripesize = stripesize;  in open_ctree()
2851 	ret = btrfs_read_sys_array(tree_root);  in open_ctree()
2904 	tree_root->node = read_tree_block(tree_root,  in open_ctree()
2907 	if (IS_ERR(tree_root->node) ||  in open_ctree()
2908 	    !extent_buffer_uptodate(tree_root->node)) {  in open_ctree()
2911 		if (!IS_ERR(tree_root->node))  in open_ctree()
2912 			free_extent_buffer(tree_root->node);  in open_ctree()
2913 		tree_root->node = NULL;  in open_ctree()
2917 	btrfs_set_root_node(&tree_root->root_item, tree_root->node);  in open_ctree()
2918 	tree_root->commit_root = btrfs_root_node(tree_root);  in open_ctree()
2919 	btrfs_set_root_refs(&tree_root->root_item, 1);  in open_ctree()
2921 	mutex_lock(&tree_root->objectid_mutex);  in open_ctree()
2922 	ret = btrfs_find_highest_objectid(tree_root,  in open_ctree()
2923 					&tree_root->highest_objectid);  in open_ctree()
2925 		mutex_unlock(&tree_root->objectid_mutex);  in open_ctree()
2929 	ASSERT(tree_root->highest_objectid <= BTRFS_LAST_FREE_OBJECTID);  in open_ctree()
2931 	mutex_unlock(&tree_root->objectid_mutex);  in open_ctree()
2933 	ret = btrfs_read_roots(fs_info, tree_root);  in open_ctree()
3001 	fs_info->cleaner_kthread = kthread_run(cleaner_kthread, tree_root,  in open_ctree()
3007 						   tree_root,  in open_ctree()
3012 	if (!btrfs_test_opt(tree_root, SSD) &&  in open_ctree()
3013 	    !btrfs_test_opt(tree_root, NOSSD) &&  in open_ctree()
3027 	if (btrfs_test_opt(tree_root, CHECK_INTEGRITY)) {  in open_ctree()
3028 		ret = btrfsic_mount(tree_root, fs_devices,  in open_ctree()
3029 				    btrfs_test_opt(tree_root,  in open_ctree()
3051 	ret = btrfs_find_orphan_roots(tree_root);  in open_ctree()
3061 		ret = btrfs_recover_relocation(tree_root);  in open_ctree()
3086 	    (ret = btrfs_orphan_cleanup(fs_info->tree_root))) {  in open_ctree()
3088 		close_ctree(tree_root);  in open_ctree()
3096 		close_ctree(tree_root);  in open_ctree()
3103 		close_ctree(tree_root);  in open_ctree()
3115 			close_ctree(tree_root);  in open_ctree()
3118 	} else if (btrfs_test_opt(tree_root, RESCAN_UUID_TREE) ||  in open_ctree()
3126 			close_ctree(tree_root);  in open_ctree()
3141 	btrfs_cleanup_transaction(fs_info->tree_root);  in open_ctree()
3189 	if (!btrfs_test_opt(tree_root, RECOVERY))  in open_ctree()