static ssize_t queue_max_segment_size_show(struct request_queue *q, char *page)
{
	return queue_var_show(queue_max_segment_size(q), (page));
}
static ssize_t queue_max_segment_size_show(struct request_queue *q, char *page)
{
	return queue_var_show(queue_max_segment_size(q), (page));
}