linux-kernel - Re: [PATCH v6 0/6] block/md/dm: set chunk

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Message-ID: <20250714061300.GA13893@lst.de>
Date: Mon, 14 Jul 2025 08:13:00 +0200
From: Christoph Hellwig <hch@....de>
To: Damien Le Moal <dlemoal@...nel.org>
Cc: Christoph Hellwig <hch@....de>, John Garry <john.g.garry@...cle.com>,
	agk@...hat.com, snitzer@...nel.org, mpatocka@...hat.com,
	song@...nel.org, yukuai3@...wei.com, nilay@...ux.ibm.com,
	axboe@...nel.dk, cem@...nel.org, dm-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
	linux-block@...r.kernel.org, ojaswin@...ux.ibm.com,
	martin.petersen@...cle.com, akpm@...ux-foundation.org,
	linux-xfs@...r.kernel.org, djwong@...nel.org
Subject: Re: [PATCH v6 0/6] block/md/dm: set chunk_sectors from stacked dev
 stripe size

On Mon, Jul 14, 2025 at 03:00:57PM +0900, Damien Le Moal wrote:
> Agreed, it would be nice to clean that up. BUT, the chunk_sectors sysfs
> attribute file is reporting the zone size today. Changing that may break
> applications. So I am not sure if we can actually do that, unless the sysfs
> interface is considered as "unstable" ?

Good point.  I don't think it is considered unstable.