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Date: Thu, 16 Aug 2012 00:29:14 +0200
From: Olivier Bonvalet <btrfs.list@daevel.fr>
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To: linux-btrfs@vger.kernel.org
Subject: [solved] Re: Can't umount a read-only FS ?
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On 15/08/2012 19:28, Olivier Bonvalet wrote:
> Hi,
> 
> I have a strange problem with a btrfs partition : after an error, btrfs was forced readonly.
> 
> So I try to umount it, to launch btrfsck, but it doesn't work :
> 
> root! sofia:~# umount /backup/
> root! sofia:~# btrfsck /dev/vg-sofia/backup
> /dev/vg-sofia/backup is currently mounted. Aborting.
> root! sofia:~# umount /backup/
> umount: /backup/: not mounted
> root! sofia:~# btrfsck /dev/vg-sofia/backup
> /dev/vg-sofia/backup is currently mounted. Aborting.
> root! sofia:~#
> 
> 

Well... I was using a "mount --bind" of a directory within that FS... So not btrfs related.

Sorry for noise, once again.

Olivier