linux-kernel - Re: Fix potential data loss and corruption due to Incorrect BIO Chain Handling

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Message-ID: <aShkWxt9Yfa7YiSe@infradead.org>
Date: Thu, 27 Nov 2025 06:46:51 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Gao Xiang <hsiangkao@...ux.alibaba.com>
Cc: Christoph Hellwig <hch@...radead.org>,
	Stephen Zhang <starzhangzsd@...il.com>,
	Ming Lei <ming.lei@...hat.com>,
	Andreas Gruenbacher <agruenba@...hat.com>,
	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
	nvdimm@...ts.linux.dev, virtualization@...ts.linux.dev,
	linux-nvme@...ts.infradead.org, gfs2@...ts.linux.dev,
	ntfs3@...ts.linux.dev, linux-xfs@...r.kernel.org,
	zhangshida@...inos.cn
Subject: Re: Fix potential data loss and corruption due to Incorrect BIO
 Chain Handling

On Thu, Nov 27, 2025 at 03:40:20PM +0800, Gao Xiang wrote:
> For erofs, let me fix this directly to use bio_endio() instead
> and go through the erofs (although it doesn't matter in practice
> since no chain i/os for erofs and bio interfaces are unique and
> friendly to operate bvecs for both block or non-block I/Os
> compared to awkward bvec interfaces) and I will Cc you, Ming
> and Stephen then.

Thanks.  I'll ping Coly for bcache.