From: Christoph Hellwig <hch@infradead.org>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: Christoph Hellwig <hch@infradead.org>,
axboe@kernel.dk, neil@brown.name, akpm@linux-foundation.org,
linux-block@vger.kernel.org, linux-raid@vger.kernel.org,
linux-kernel@vger.kernel.org, colyli@kernel.org, xni@redhat.com,
yi.zhang@huawei.com, yangerkun@huawei.com,
johnny.chenyi@huawei.com, "yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH] block: fix disordered IO in the case recursive split
Date: Thu, 21 Aug 2025 02:02:34 -0700 [thread overview]
Message-ID: <aKbgqoF0UN4_FbXO@infradead.org> (raw)
In-Reply-To: <54fc027f-f4dc-0412-0d6d-b44a3e644c39@huaweicloud.com>
On Thu, Aug 21, 2025 at 04:56:33PM +0800, Yu Kuai wrote:
> Can you give some examples as how to chain the right way?
fs/xfs/xfs_bio_io.c: xfs_rw_bdev
fs/xfs/xfs_buf.c: xfs_buf_submit_bio
fs/xfs/xfs_log.c: xlog_write_iclog
> BTW, for all
> the io split case, should this order be fixed? I feel we should, this
> disorder can happen on any stack case, where top max_sector is greater
> than stacked disk.
Yes, I've been trying get Bart to fix this for a while instead of
putting in a workaround very similar to the one proposed here,
but so far nothing happened.
next prev parent reply other threads:[~2025-08-21 9:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 7:47 [PATCH] block: fix disordered IO in the case recursive split Yu Kuai
2025-08-21 8:06 ` Coly Li
2025-08-21 8:43 ` Christoph Hellwig
2025-08-21 8:56 ` Yu Kuai
2025-08-21 9:02 ` Christoph Hellwig [this message]
2025-08-21 9:33 ` Hannes Reinecke
2025-08-21 9:42 ` Yu Kuai
2025-08-21 9:37 ` Yu Kuai
2025-08-25 6:15 ` Yu Kuai
2025-08-25 9:15 ` Christoph Hellwig
2025-08-25 9:17 ` Christoph Hellwig
2025-08-25 9:49 ` Yu Kuai
2025-08-21 15:19 ` Bart Van Assche
2025-08-21 9:16 ` Coly Li
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