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SubjectRe: [RFC V5 0/16] blk: blk-rq-qos framework refactor and cleanup
On Thu, Feb 24, 2022 at 05:06:38PM +0800, Wang Jianchao (Kuaishou) wrote:
> Hi Jens
>
> This patchset is working on our v4.18 kernel to provide the capacity
> for upgrade blk-rq-qos policies on the fly w/o needing to restart
> machine and applications.

Why would you upgrade kernel code at runtime? And how is what you do
on some randm old kernel relevant for mainline?

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