linux-kernel - Re: [PATCH v8 1/4] blk-throttle: fix that io throttle can only work for single bio

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Message-ID: <YwUXTL+8E/sPcEUB@slm.duckdns.org>
Date:   Tue, 23 Aug 2022 08:07:08 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Yu Kuai <yukuai1@...weicloud.com>
Cc:     axboe@...nel.dk, ming.lei@...hat.com, mkoutny@...e.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org, yukuai3@...wei.com, yi.zhang@...wei.com
Subject: Re: [PATCH v8 1/4] blk-throttle: fix that io throttle can only work
 for single bio

Hello,

Should have asked you earlier but with the BIO_THROTTLED flag setting from
clone removed, with single BIO_THROTTLED flag, does the fix still require
bytes subtraction? If we can do single flag and we don't need the bytes
subtraction, might as well just stay with single flag?

Thanks.

-- 
tejun