1657 		return fs_info->chunk_root;  in btrfs_get_fs_root()
2018 	btrfs_set_backup_chunk_root(root_backup, info->chunk_root->node->start);  in backup_super_roots()
2020 			       btrfs_header_generation(info->chunk_root->node));  in backup_super_roots()
2022 			       btrfs_header_level(info->chunk_root->node));  in backup_super_roots()
2157 static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root)  in free_root_pointers()  argument
2166 	if (chunk_root)  in free_root_pointers()
2167 		free_root_extent_buffers(info->chunk_root);  in free_root_pointers()
2485 	struct btrfs_root *chunk_root;  in open_ctree()  local
2493 	chunk_root = fs_info->chunk_root = btrfs_alloc_root(fs_info);  in open_ctree()
2494 	if (!tree_root || !chunk_root) {  in open_ctree()
2861 	__setup_root(nodesize, sectorsize, stripesize, chunk_root,  in open_ctree()
2864 	chunk_root->node = read_tree_block(chunk_root,  in open_ctree()
2867 	if (IS_ERR(chunk_root->node) ||  in open_ctree()
2868 	    !extent_buffer_uptodate(chunk_root->node)) {  in open_ctree()
2871 		if (!IS_ERR(chunk_root->node))  in open_ctree()
2872 			free_extent_buffer(chunk_root->node);  in open_ctree()
2873 		chunk_root->node = NULL;  in open_ctree()
2876 	btrfs_set_root_node(&chunk_root->root_item, chunk_root->node);  in open_ctree()
2877 	chunk_root->commit_root = btrfs_root_node(chunk_root);  in open_ctree()
2879 	read_extent_buffer(chunk_root->node, fs_info->chunk_tree_uuid,  in open_ctree()
2880 	   btrfs_header_chunk_tree_uuid(chunk_root->node), BTRFS_UUID_SIZE);  in open_ctree()
2882 	ret = btrfs_read_chunk_tree(chunk_root);  in open_ctree()