linux-kernel - Re: [PATCH v3] blk-throttle: Fix io statistics for cgroup v1

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Date:   Sun, 25 Jun 2023 08:01:22 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     tj@...nel.org, josef@...icpanda.com,
        Jinke Han <hanjinke.666@...edance.com>
Cc:     cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, andrea.righi@...onical.com,
        Muchun Song <muchun.song@...ux.dev>
Subject: Re: [PATCH v3] blk-throttle: Fix io statistics for cgroup v1


On Mon, 08 May 2023 01:06:31 +0800, Jinke Han wrote:
> After commit f382fb0bcef4 ("block: remove legacy IO schedulers"),
> blkio.throttle.io_serviced and blkio.throttle.io_service_bytes become
> the only stable io stats interface of cgroup v1, and these statistics
> are done in the blk-throttle code. But the current code only counts the
> bios that are actually throttled. When the user does not add the throttle
> limit, the io stats for cgroup v1 has nothing. I fix it according to the
> statistical method of v2, and made it count all ios accurately.
> 
> [...]

Applied, thanks!

[1/1] blk-throttle: Fix io statistics for cgroup v1
      commit: ad7c3b41e86b59943a903d23c7b037d820e6270c

Best regards,
-- 
Jens Axboe