linux-kernel - Re: NILFS2: double uuid

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Date:	Mon, 8 Jun 2015 19:23:45 +0200
From:	Heinz Diehl <htd@...tha.org>
To:	Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>
Cc:	Karel Zak <kzak@...hat.com>, linux-kernel@...r.kernel.org,
	linux-nilfs@...r.kernel.org
Subject: Re: NILFS2: double uuid

On 08.06.2015, Ryusuke Konishi wrote: 

> I succeeded to reproduce this issue on Fedora 20, 21, 22 and Debian
> jessie.  Also, I could narrow down the issue.

Thanks a lot for your effort!

> Here, the backup super block of /dev/sdb1 got detected also for
> /dev/sdb by the commit 5f77ce6f3269.

Just in case this matters, there is also a report from the util-linux
mailing list pointing to this particular commit:

http://permalink.gmane.org/gmane.linux.utilities.util-linux-ng/10766

> This change has been applied between v2.24 and v2.24.1 of util-linux,
> and not yet fixed in the mainline.

Ok, I'll try to identify and revert this commit in the meantime.

Thanks, Heinz.
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