[PATCH v2 3/3] nvme-rdma: wait for local invalidation before completing a request

[Christoph Hellwig]

On Wed, Nov 08, 2017 at 12:06:16PM +0200, Sagi Grimberg wrote:
> We must not complete a request before the host memory region is
> invalidated. Luckily we have send with invalidate protocol support
> so we usually don't need to execute it, but in case the target
> did not invalidate a memory region for us, we must wait for
> the invalidation to complete before unmapping host memory and
> completing the I/O.

Looks good, but a change to atomic bitops would require a respin
here as well.