[PATCH 10/17] nvme: switch controller refcounting to use struct device

[Christoph Hellwig]

On Thu, Oct 19, 2017 at 01:33:55PM +0300, Sagi Grimberg wrote:
>> Well, the ctrl device integration is what enables us to do this.
>> Before that the ctrl refcount could have reached null by the time
>> we call the delete_ctrl method.
>
> OK, maybe a change log mention then?

I thought I did that, but I can be more detailed.