[PATCH] nvme: allow queues the chance to quiesce after freezing them

[Jon Derrick]

> -	writel(head, nvmeq->q_db + nvmeq->dev->db_stride);
> +	if (unlikely(!nvmeq->frozen))
> +		writel(head, nvmeq->q_db + nvmeq->dev->db_stride);

Oops... This last minute addition should have been a likely().