* R: Re: 3.5.0-rc6: btrfs and LVM snapshots -> wrong devicename in /proc/mounts
@ 2012-07-11 12:00 kreijack
0 siblings, 0 replies; only message in thread
From: kreijack @ 2012-07-11 12:00 UTC (permalink / raw)
To: arnd; +Cc: Goffredo Baroncelli, Christian Robert, linux-btrfs, Josef Bacik
>----Messaggio originale----
>Da: arnd@arndnet.de
>Data: 10/07/2012 22.09
>A: <kreijack@inwind.it>
>Cc: "Goffredo Baroncelli"<kreijack@libero.it>, "Christian Robert"<christian.
robert@polymtl.ca>, <linux-btrfs@vger.kernel.org>
>Ogg: Re: 3.5.0-rc6: btrfs and LVM snapshots -> wrong devicename in
/proc/mounts
>
>Hi Goffredo,
>
>Am 10.07.2012 20:42, schrieb Goffredo Baroncelli:
>> Hi Arnd,
>>
>> I am trying to reproduce this bug. Which kernel version are you using ?
>
>I'm using linus' vanilla tree from Sunday which is 3.5.0-rc6
>plus some unsuspicious commits.
Right, a recent Josef Bacik's patch[1] changes how the device name is
computated. This explains why on a 3.4.4
kernel I was not able to reproduce the bug. Anyway the problem is not in the
Bacik's patch
but in the fact that btrfs allow to replace an already mounted device. I am
working on a patch which doesn't allow that.
BR
G.Baroncelli
>
>Best regards
>Arnd
>
[1] http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg16994.html
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2012-07-11 12:00 R: Re: 3.5.0-rc6: btrfs and LVM snapshots -> wrong devicename in /proc/mounts kreijack
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