[PATCH 3/4] nvme: use blk_rq_payload_bytes

[Christoph Hellwig]

On Tue, Jan 17, 2017 at 10:06:51PM +0200, Sagi Grimberg wrote:
>
>> @@ -1014,9 +1013,9 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
>>  	}
>>
>
> Christoph, a little above here we still look at blk_rq_bytes(),
> shouldn't that look at blk_rq_payload_bytes() too?

The check is ok for now as it's just zero vs non-zero.  It's somewhat
broken for Write Zeroes, though.  I've fixed it in this series
which I need to submit:

	http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/write-zeroes-take-2