[PATCH] nvmet: Avoid writing fabric_ops, queue pointers on every request.

[Sagi Grimberg]

>> Yep, forgot that the sq/cq are referenced from the rsp which is
>> per-queue.
>>
>> Christoph, James, can I get an ack from you guys?
>
> I really hate the nvmet_req_fabric_ops_init and
> nvmet_req_link_to_nvme_queues helpers, just use direct assignments
> instead of trivial helpers with crazy long names.

Heh, I don't mind it all that much, but we can hold it off
until something better (if at all) comes along..