static bool io_bdev_nowait(struct block_device *bdev)
{
#ifdef CONFIG_BLOCK
	return !bdev || queue_is_mq(bdev_get_queue(bdev));
#else
	return true;
#endif
}
static bool io_bdev_nowait(struct block_device *bdev)
{
#ifdef CONFIG_BLOCK
	return !bdev || queue_is_mq(bdev_get_queue(bdev));
#else
	return true;
#endif
}