Re: [PATCH] blk-throttle: support io merge over iops_limit

From: Tejun Heo
Date: Tue Mar 11 2025 - 15:34:29 EST


Hello,

On Tue, Mar 11, 2025 at 11:08:00AM +0800, Yu Kuai wrote:
...
> > That said, I'm not sure about changing the behavior now. blk-throtl has
> > mostly used the number of bios as long as it has existed and given that
> > there can be a signficant difference between the two metrics, I'm not sure
> > the change is justified at this point.
>
> If we really concern about the behavior change, can we consider a new
> flag that can switch to the old behavior? We'll see if any user will
> complain.

Yeah, that may be the right way to go about this, but let me turn this
around and ask you why adding a new behavior would be a good idea. What
problems are you trying to solve?

Thanks.

--
tejun