Re: [PATCH V2] null_blk: allow zero poll queues

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On Dec 23, 2021 / 17:55, Jens Axboe wrote:
> On 12/23/21 5:52 PM, Shinichiro Kawasaki wrote:
> > On Dec 03, 2021 / 21:09, Ming Lei wrote:
> >> There isn't any reason to not allow zero poll queues from user
> >> viewpoint.
> >>
> >> Also sometimes we need to compare io poll between poll mode and irq
> >> mode, so not allowing poll queues is bad.
> >>
> >> Fixes: 15dfc662ef31 ("null_blk: Fix handling of submit_queues and poll_queues attributes")
> >> Cc: Shin'ichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>
> >> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
> >> ---
> >> V2:
> >> 	- fix divide zero fault as reported by Shin'ichiro
> > 
> > Jens, Ming,
> > 
> > I find the V1 was applied to the for/5.17-drivers branch, and the additional fix
> > in the V2 does not look applied to the branch. Do we need another small patch to
> > cover the delta between V1 and V2?
> 
> Yes, please send an incremental, thanks.

Thanks, and Ming already provided the small patch (So quick!). I've confirmed
that the patch avoids the issue. Merge to for/5.17-drivers will be appreciated.

-- 
Best Regards,
Shin'ichiro Kawasaki



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