[PATCH] nvmet: Use direct IO for writes

[Sagi Grimberg]

>> This looks reasonable.  But I still wonder why we bother to inject delay
>> for any fast blk-mq device (background: Sagi told me he is observing
>> issues without this on a NVMe PCIe card backend)
>
> Batching/merging. It's not like we're doing a calculated explicit delay,
> it's just async running the queue.

So are we OK with bypassing that in nvmet?