[PATCH v2 6/7] SRP transport: Port srp_wait_for_queuecommand() to scsi-mq

[Sagi Grimberg]

> +static void srp_mq_wait_for_queuecommand(struct Scsi_Host *shost)
> +{
> +	struct scsi_device *sdev;
> +	struct request_queue *q;
> +
> +	shost_for_each_device(sdev, shost) {
> +		q = sdev->request_queue;
> +
> +		blk_mq_quiesce_queue(q);
> +		blk_mq_resume_queue(q);
> +	}
> +}
> +

This *should* live in scsi_lib.c. I suspect that
various drivers would really want this functionality.

Thoughts?