Re: [PATCH v2] nvme-rdma: support devices with queue size < 32

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> +static inline nvme_rdma_queue_sig_limit(struct nvme_rdma_queue *queue)
> +{
> +       int sig_limit;
> +
> +       /* We signal completion every queue depth/2 and also
> +        * handle the case of possible device with queue_depth=1,
> +        * where we would need to signal every message.
> +        */
> +       sig_limit = max(queue->queue_size / 2, 1);
> +       return (++queue->sig_count % sig_limit) == 0;
> +}

I would love if we could do this at the ib_qp level.  I also know
you found a real bug and we want it fixed ASAP, so maybe for now
we should merge this one:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

and then do the generic version.  Marta, do you want to tackle the
generic version or should I look into this once I get a little time.
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