->retries fixups V2

[Christoph Hellwig]

On Wed, Apr 05, 2017 at 12:06:53PM -0600, Jens Axboe wrote:
> On Wed, Apr 05 2017, Christoph Hellwig wrote:
> > This series fixes a few lose bits in terms of how nvme uses ->retries,
> > including fixing it for non-PCIe transports.  While at it I noticed that
> > nvme and scsi use the field in entirely different ways, and no other
> > driver uses it at all.  So I decided to move it into the nvme_request and
> > scsi_request structures instead.
> > 
> > Changes since V1:
> >  - better changelog for one patch
> >  - move the new retries field to the end of struct nvme_request
> 
> Applied for 4.12. If we do the below on my box, we remove the (now) 2
> holes from struct request and shrink it 8 bytes.

Looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>