Re: [PATCH] nvme: determine the number of IO queues

Aaron Ma
2019-04-18T14:21:23Z

On 4/18/19 9:48 PM, Keith Busch wrote:
> It does change the default behavior. If I have a degraded controller that
> can't do IO in a machine with 1000's of CPUs, I have to iterate this
> non-standard behavior 1000's of times before the drive is servicable
> again. We currenlty figure that out in just a single try.
>
> At least the quirks document *why* the driver is doing non-standard
> behavior. We do the IO queue quirks for Macbooks, for example.
>
> But why don't you file a bug report with the device vendor instead? Surely
> a firmware fix provides the best possible outcome, and would make this
> device work not only in all versions of Linux, but also every standard
> compliant driver for any OS.

I will do it, no v2 for now.

Thanks,
Aaron