linux-kernel - Re:[PATCH v3 0/2] bcache: fix I/O accounting leak

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Message-ID: <4134f033.14c9.19c07753714.Coremail.zhangshida2026@163.com>
Date: Thu, 29 Jan 2026 09:54:08 +0800 (CST)
From: zhangshida2026  <zhangshida2026@....com>
To: colyli@...as.com, kent.overstreet@...ux.dev, hch@...radead.org,
	axboe@...nel.dk
Cc: linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org,
	zhangshida@...inos.cn, starzhangzsd@...il.com
Subject: Re:[PATCH v3 0/2] bcache: fix I/O accounting leak


















At 2026-01-27 16:21:10, zhangshida2026@....com wrote:
>From: Shida Zhang <zhangshida@...inos.cn>
>
>This series addresses an I/O accounting leak where detached bcache
>devices could report 100% utilization in iostat after completion
>of discard requests.
>
>Changes since v2:
>- Omitting the dead NULL check for bio_alloc_clone() (suggested by hch).
>- Updated the Fixes tag for the accounting leak.
>
>Shida Zhang (2):
>  bcache: remove dead code in detached_dev_do_request
>  bcache: fix I/O accounting leak in detached_dev_do_request
>
> drivers/md/bcache/request.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)

>


Hi Jens,

The patches have been reviewed by Christoph and acked by Coly. 
Given that we are now at rc7, I wanted to see if you would consider picking 
these up for the 6.19 cycle?

Thank you for your time and for all your work.

Best regards,
Shida Zhang

>-- 
>2.34.1