linux-kernel - Re: [PATCH -next] blk-throttle: Set BIO_THROTTLED when bio has been throttled

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Message-ID: <YddIgWU73LabYICc@slm.duckdns.org>
Date:   Thu, 6 Jan 2022 09:52:33 -1000
From:   Tejun Heo <tj@...nel.org>
To:     QiuLaibin <qiulaibin@...wei.com>
Cc:     axboe@...nel.dk, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] blk-throttle: Set BIO_THROTTLED when bio has been
 throttled

On Tue, Dec 14, 2021 at 05:12:48PM +0800, QiuLaibin wrote:
> I am thinking of adding a new bio tag (like BIO_THROTTLE_BYPASS) to avoid
> those requests which do not need to be throttled to enter the throttle
> multiple times.

Sorry about the long delay. Was off for several weeks, so my recommendation
would be separating the two issues. It'd make a lot of sense to fix the
immediate bug in a minimal way first.

Thanks.

-- 
tejun