5284 static int tree_compare_item(struct btrfs_path *left_path,  in tree_compare_item()  argument
5292 	len1 = btrfs_item_size_nr(left_path->nodes[0], left_path->slots[0]);  in tree_compare_item()
5297 	off1 = btrfs_item_ptr_offset(left_path->nodes[0], left_path->slots[0]);  in tree_compare_item()
5301 	read_extent_buffer(left_path->nodes[0], tmp_buf, off1, len1);  in tree_compare_item()
5332 	struct btrfs_path *left_path = NULL;  in btrfs_compare_trees()  local
5350 	left_path = btrfs_alloc_path();  in btrfs_compare_trees()
5351 	if (!left_path) {  in btrfs_compare_trees()
5367 	left_path->search_commit_root = 1;  in btrfs_compare_trees()
5368 	left_path->skip_locking = 1;  in btrfs_compare_trees()
5411 	left_path->nodes[left_level] =  in btrfs_compare_trees()
5413 	if (!left_path->nodes[left_level]) {  in btrfs_compare_trees()
5418 	extent_buffer_get(left_path->nodes[left_level]);  in btrfs_compare_trees()
5433 		btrfs_item_key_to_cpu(left_path->nodes[left_level],  in btrfs_compare_trees()
5434 				&left_key, left_path->slots[left_level]);  in btrfs_compare_trees()
5436 		btrfs_node_key_to_cpu(left_path->nodes[left_level],  in btrfs_compare_trees()
5437 				&left_key, left_path->slots[left_level]);  in btrfs_compare_trees()
5450 			ret = tree_advance(fs_info, left_path, &left_level,  in btrfs_compare_trees()
5477 				ret = changed_cb(left_path, right_path,  in btrfs_compare_trees()
5488 				ret = changed_cb(left_path, right_path,  in btrfs_compare_trees()
5502 				ret = changed_cb(left_path, right_path,  in btrfs_compare_trees()
5510 				ret = changed_cb(left_path, right_path,  in btrfs_compare_trees()
5520 				WARN_ON(!extent_buffer_uptodate(left_path->nodes[0]));  in btrfs_compare_trees()
5521 				ret = tree_compare_item(left_path, right_path,  in btrfs_compare_trees()
5527 				ret = changed_cb(left_path, right_path,  in btrfs_compare_trees()
5542 						left_path->nodes[left_level],  in btrfs_compare_trees()
5543 						left_path->slots[left_level]);  in btrfs_compare_trees()
5548 						left_path->nodes[left_level],  in btrfs_compare_trees()
5549 						left_path->slots[left_level]);  in btrfs_compare_trees()
5574 	btrfs_free_path(left_path);  in btrfs_compare_trees()