linux-kernel - Re: [PATCH -next v2 4/9] blk-iocost: read params inside lock in sysfs apis

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Message-ID: <Y4e6GANZCJbz7jNk@slm.duckdns.org>
Date:   Wed, 30 Nov 2022 10:16:24 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Li Nan <linan122@...wei.com>
Cc:     josef@...icpanda.com, axboe@...nel.dk, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        yukuai3@...wei.com, yi.zhang@...wei.com
Subject: Re: [PATCH -next v2 4/9] blk-iocost: read params inside lock in
 sysfs apis

On Wed, Nov 30, 2022 at 09:21:51PM +0800, Li Nan wrote:
> From: Yu Kuai <yukuai3@...wei.com>
> 
> Otherwise, user might get abnormal values if params is updated
> concurrently.
> 
> Signed-off-by: Yu Kuai <yukuai3@...wei.com>
> Signed-off-by: Li Nan <linan122@...wei.com>

Acked-by: Tejun Heo <tj@...nel.org>

-- 
tejun