[PATCH] nvme-rdma: Support 2 inline data SGEs for write commands.

[Sagi Grimberg]

>> I'm referring to struct nvme_rdma_request
> Yes, I got that now.
> That needs to have dynamic allocation for sge array if we want to do based on ioccsz.
> Unless we do 4 or 8 or larger SGEs, extra 8 byte pointer to store link to more than one SGE might not be worth enough just for writes.

Which is what Christoph asked, why not 4 or 8?