linux-kernel - Re: [PATCH block-5.18] iocost: don't reset the inuse weight of under-weighted debtors

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Message-Id: <165107048684.42574.6493116001052820883.b4-ty@kernel.dk>
Date:   Wed, 27 Apr 2022 08:41:26 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     tj@...nel.org
Cc:     riel@...riel.com, linux-kernel@...r.kernel.org, kernel-team@...com,
        linux-block@...r.kernel.org
Subject: Re: [PATCH block-5.18] iocost: don't reset the inuse weight of under-weighted debtors

On Tue, 26 Apr 2022 19:01:01 -1000, Tejun Heo wrote:
> When an iocg is in debt, its inuse weight is owned by debt handling and
> should stay at 1. This invariant was broken when determining the amount of
> surpluses at the beginning of donation calculation - when an iocg's
> hierarchical weight is too low, the iocg is excluded from donation
> calculation and its inuse is reset to its active regardless of its
> indebtedness, triggering warnings like the following:
> 
> [...]

Applied, thanks!

[1/1] iocost: don't reset the inuse weight of under-weighted debtors
      commit: 8c936f9ea11ec4e35e288810a7503b5c841a355f

Best regards,
-- 
Jens Axboe