linux-kernel - Re: [PATCH v2 1/2] blk-stat: fix QUEUE_FLAG

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Message-Id: <168139018203.8989.17731261770336366712.b4-ty@kernel.dk>
Date:   Thu, 13 Apr 2023 06:49:42 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     tj@...nel.org, chengming.zhou@...ux.dev
Cc:     josef@...icpanda.com, osandov@...com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        Chengming Zhou <zhouchengming@...edance.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH v2 1/2] blk-stat: fix QUEUE_FLAG_STATS clear


On Thu, 13 Apr 2023 14:28:04 +0800, chengming.zhou@...ux.dev wrote:
> We need to set QUEUE_FLAG_STATS for two cases:
> 1. blk_stat_enable_accounting()
> 2. blk_stat_add_callback()
> 
> So we should clear it only when ((q->stats->accounting == 0) &&
> list_empty(&q->stats->callbacks)).
> 
> [...]

Applied, thanks!

[1/2] blk-stat: fix QUEUE_FLAG_STATS clear
      commit: 20de765f6d9da0c47b756429c60b41063b990a10
[2/2] blk-throttle: only enable blk-stat when BLK_DEV_THROTTLING_LOW
      commit: 8e15dfbd9ae21e518979e3823e335073e725f445

Best regards,
-- 
Jens Axboe