rework NVMe command passthrough V2

[Jens Axboe]

On 11/10/2016 08:32 AM, Christoph Hellwig wrote:
> Hi all,
>
> this series started out as part of my attempt to get rid of the SCSI
> passthrough fields in struct request, but reviewing the NVMe FC patches
> and subsequent discussion with James gave them additional priority.
>
> This series introduces a nvme_request structure common to all transports,
> which allows us to stop abusing the SCSI passthrough fields in struct
> request, and also allows us to stop passing the full CQE up to the
> callers of the request interface which is rather painful for FC.

Applied for 4.10, thanks.

-- 
Jens Axboe