[PATCH v2 3/3] nvme-rdma: Handle number of queue changes

[Daniel Wagner]

On Thu, Aug 25, 2022 at 06:08:10PM +0800, Chao Leng wrote:
> > +	/*
> > +	 * If the number of queues has increased (reconnect case)
> > +	 * start all new queues now.
> > +	 */
> > +	ret = nvme_rdma_start_io_queues(ctrl, nr_queues,
> > +					ctrl->tag_set.nr_hw_queues + 1);
> > +	if (ret)
> > +		goto out_cleanup_connect_q;
> > +
> Now the code looks weird.
> Maybe we can do like this:
> first blk_mq_update_nr_hw_queues, and then nvme_rdma_start_io_queues.

We have to start the exiting queues before going into the 'if (!new)'
part. That's why the start of queues is splited into two steps.