[PATCH v2 2/3] nvme-rdma: don't complete requests before a send work request has completed

[Christoph Hellwig]

On Mon, Nov 20, 2017 at 10:37:54AM +0200, Sagi Grimberg wrote:
>
>> Both send and recv completed only ever go from not set to set on a live
>> requests, so that's easy.  need_inval only goes from set to cleared
>> so I'm not too worried about it either, but due to the lack of atomic
>> bitops there it will need better memory barries, or just a switch
>> to bitops..
>>
>> But looking at this in a little more detail I wonder if we just want
>> a recount on the nvme_rdma_request, untested patch below.
>
> I'll give it a shot.

Btw, in our brave new world that should probably be a refcnt_t instead
of an atomic_t, but that's a trivial search and replace.