linux-kernel - Re: [PATCH] block: Fix io statistics for cgroup in throttle path

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Message-Id: <E9B8073C-5101-4EB8-9C4B-D6EEB6D0739D@linux.dev>
Date:   Thu, 16 Feb 2023 14:57:00 +0800
From:   Muchun Song <muchun.song@...ux.dev>
To:     Jinke Han <hanjinke.666@...edance.com>
Cc:     axboe@...nel.dk, ming.lei@...hat.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: Fix io statistics for cgroup in throttle path



> On Feb 16, 2023, at 11:22, Jinke Han <hanjinke.666@...edance.com> wrote:
> 
> From: Jinke Han <hanjinke.666@...edance.com>
> 
> In the current code, io statistics are missing for cgroup when bio
> was throttled by blk-throttle. Fix it by moving the unreaching code
> to submit_bio_noacct_nocheck.
> 
> Fixes: 3f98c753717c ("block: don't check bio in blk_throtl_dispatch_work_fn")
> Signed-off-by: Jinke Han <hanjinke.666@...edance.com>

Acked-by: Muchun Song <songmuchun@...edance.com>

Thanks.