Re: [PATCH 3/3] nvme-pci: use queue close instead of queue freeze

[jianchao.wang]

Hi Ming

On 09/06/2018 06:09 AM, Ming Lei wrote:
> nvme_dev_add() still may call freeze & unfreeze queue, so your patch
> can't avoid draining queue completely here.

Yes, I know this. We still need to freeze queue when update nr_hw_queues.
But we move forward a step at least. :)
We don't need to drain request queue in normal case of nvme_reset_work.

As for updating nr_hw_queues, we could try some other method on it next.


Thanks
Jianchao