linux-kernel - Re: API break, sysfs "capability" file

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Message-ID: <20240417162257.GA8098@lst.de>
Date: Wed, 17 Apr 2024 18:22:57 +0200
From: Christoph Hellwig <hch@....de>
To: Lennart Poettering <mzxreary@...inter.de>
Cc: Christoph Hellwig <hch@....de>, Keith Busch <kbusch@...nel.org>,
	Linux regressions mailing list <regressions@...ts.linux.dev>,
	linux-block@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: API break, sysfs "capability" file

On Wed, Apr 17, 2024 at 06:10:21PM +0200, Lennart Poettering wrote:
> Well, there are plenty of other block devices with part scanning off,
> such as DM, including dm-crypt, dm-integrity and so on. And that's
> certainly stuff we want to cover for this.

But there is no good reason to prohibit scanning for them.  We can't
scan by default as that would probably break a few expectations in
userspace, but we can trivially allow manual scanning.