Re: [PATCH 3/7] scsi: add scsi-mq helpers to retrieve pdu and check started state

From: Christoph Hellwig
Date: Sun Apr 05 2015 - 11:39:29 EST

On Fri, Apr 03, 2015 at 09:58:19AM -0600, Jens Axboe wrote:
> +static inline void *scsi_mq_scmd_to_pdu(struct scsi_cmnd *scmd)
> +{
> + return blk_mq_rq_to_pdu(scmd->request) + sizeof(*scmd);
> +}

We've already got scsi_cmd_priv to cover this.

> +static inline bool scsi_mq_scmd_started(struct scsi_cmnd *scmd)
> +{
> + return blk_mq_request_started(scmd->request);
> +}

I don't really think we want to expose this functionality, but more
on that in my reply to the mpt2 patch.
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