Re: [External] Re: [PATCH v3] blk-throtl: Introduce sync and async queues for blk-throtl

[Michal Koutný]

Hello.

Thanks all for sharing ideas and more details (in time-previous messages).

On Sat, Jan 07, 2023 at 02:07:38AM +0800, hanjinke <hanjinke.666@xxxxxxxxxxxxx> wrote:
> But for some specific scenarios with old kernel versions, blk-throtl
> is alose needed. The scenario described in my email is in the early stage of
> research and extensive testing for it. During this period，some priority
> inversion issues amoug cgroups or within one cgroup have been observed. So I
> send this patch to try to fix or mitigate some of these issues.

Jinke, do you combine blk-throtl with memory limits? (As that could in theory
indirectly reduce async requests as dirtier would be slowed down.)

Thanks,
Michal

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