308 			  u64 parent, u64 bytenr, int level)  in add_tree_block()  argument
323 	ref->owner = level;  in add_tree_block()
550 			  int level, u64 *bytenr, u64 *num_bytes)  in walk_down_tree()  argument
557 	while (level >= 0) {  in walk_down_tree()
558 		if (level) {  in walk_down_tree()
561 			block_bytenr = btrfs_node_blockptr(path->nodes[level],  in walk_down_tree()
562 							   path->slots[level]);  in walk_down_tree()
563 			gen = btrfs_node_ptr_generation(path->nodes[level],  in walk_down_tree()
564 							path->slots[level]);  in walk_down_tree()
565 			btrfs_node_key_to_cpu(path->nodes[level], &first_key,  in walk_down_tree()
566 					      path->slots[level]);  in walk_down_tree()
568 					     level - 1, &first_key);  in walk_down_tree()
577 			path->nodes[level-1] = eb;  in walk_down_tree()
578 			path->slots[level-1] = 0;  in walk_down_tree()
579 			path->locks[level-1] = BTRFS_READ_LOCK_BLOCKING;  in walk_down_tree()
585 		level--;  in walk_down_tree()
591 static int walk_up_tree(struct btrfs_path *path, int *level)  in walk_up_tree()  argument
602 				*level = l;  in walk_up_tree()
691 		owner = generic_ref->tree_ref.level;  in btrfs_ref_tree_mod()
977 	int ret, level;  in btrfs_build_ref_tree()  local
988 	level = btrfs_header_level(eb);  in btrfs_build_ref_tree()
989 	path->nodes[level] = eb;  in btrfs_build_ref_tree()
990 	path->slots[level] = 0;  in btrfs_build_ref_tree()
991 	path->locks[level] = BTRFS_READ_LOCK_BLOCKING;  in btrfs_build_ref_tree()
1000 		ret = walk_down_tree(fs_info->extent_root, path, level,  in btrfs_build_ref_tree()
1004 		ret = walk_up_tree(path, &level);  in btrfs_build_ref_tree()