From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@infradead.org>,
Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org
Subject: Re: Partitions created under RAID devices
Date: Wed, 30 Nov 2022 05:56:08 -0800 [thread overview]
Message-ID: <Y4dg+OTSdLOFFpvX@infradead.org> (raw)
In-Reply-To: <20221130135344.2ul4cyfstfs3znxg@quack3>
On Wed, Nov 30, 2022 at 02:53:44PM +0100, Jan Kara wrote:
> As I've studied history behind partition rescanning I understand it is
> difficult to please everybody :). But creating partitions under assembled
> RAID device looks wrong to me. So I was wondering - couldn't
> disk_scan_partitions() just refuse to operate on the device if there's
> another exclusive opener (it will be a bit painful to do the check but it
> is doable)? That will fix this problem with RAID and should
> not be prone to races with udev or similar problems causing troubles in the
> past. What do people think?
Yes, that seems like a very reasonable thing to do.
prev parent reply other threads:[~2022-11-30 13:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-30 13:53 Partitions created under RAID devices Jan Kara
2022-11-30 13:56 ` Christoph Hellwig [this message]
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