[PATCH v3 2/9] nvme-fabrics: allow to queue requests for live queues

[Christoph Hellwig]

On Fri, Sep 04, 2020 at 01:26:37PM -0700, Sagi Grimberg wrote:
> Guys, we need to resolve this one, this is needed to prevent freeze
> during reset from hanging.
>
> As I said, any I/O that will use the ns->queue shouldn't be denied here
> because it takes the q_usage_counter and will prevent a freeze (this is
> true for both fs or user I/O commands).
>
> I still think we should allow the admin ones as well and deny them
> somewhere else if we want to, but I'm fine with keeping this exception
> now because no one is expected to freeze the admin queue.
>
> Let me know what you think. I want it to go into an rc soon.

Let's do the minimum change variant for now then.