Re: [PATCH BUGFIX IMPROVEMENT V2 0/1] block, bfq: eliminate latency regression with fast drives

From: Jens Axboe
Date: Tue Jul 16 2019 - 10:11:55 EST


On 7/15/19 4:57 AM, Paolo Valente wrote:
> [V2 that should apply cleanly on current HEAD]
>
> Hi Jens,
> I've spotted a regression on a fast SSD: a loss of I/O-latency control
> with interactive tasks (such as the application start up I usually
> test). Details in the commit.
>
> I do hope that, after proper review, this commit makes it for 5.3.

If it's a regression, it should have a Fixes: line telling us which
commit originally introduced the regression. This is important for
folks doing backports. Can you add that?

--
Jens Axboe