[PATCH] nvme: use __iowrite64_copy for SQs in the CMB

[Stephen Bates]

>>
>> Any comments on this patch? I didn't receive any so far.
>>
>
> Please explain why we would want to apply the patch, e.g. without
> it some devices may be broken, or that on a particular device you get much
> better performance (including numbers and an explanation of the setup).
>

Some PCIe devices have requirements on the alignment of PCIe writes into
them. Would this patch help with some of those devices?

Stephen