linux-kernel - Re: [PATCH RFC v3 14/15] block: fix disordered IO in the case recursive split

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Message-ID: <aLhD8Vi-UwnwK93L@infradead.org>
Date: Wed, 3 Sep 2025 06:34:41 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: hch@...radead.org, colyli@...nel.org, hare@...e.de, dlemoal@...nel.org,
	tieren@...as.com, axboe@...nel.dk, tj@...nel.org,
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	satyat@...gle.com, ebiggers@...gle.com, neil@...wn.name,
	akpm@...ux-foundation.org, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	linux-raid@...r.kernel.org, yukuai3@...wei.com, yi.zhang@...wei.com,
	yangerkun@...wei.com, johnny.chenyi@...wei.com
Subject: Re: [PATCH RFC v3 14/15] block: fix disordered IO in the case
 recursive split

Btw disordered IO sounds a bit odd to me.  I'm not a native english
sepaker, but in the past we've used the term "I/O reordering" for
issues like this.

> +		if (split && !bdev_is_zoned(bio->bi_bdev))

Why are zoned devices special cased here?