Subject: Re: Mounting more than one ubifs fails on 2.6.31-rc2
From: Artem Bityutskiy <dedekind@infradead.org>
Reply-To: dedekind@infradead.org
To: Tobias Diedrich <ranma+kernel@tdiedrich.de>
Cc: linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org
In-Reply-To: <20090715113210.GB16289@yamamaya.is-a-geek.org>
References: <20090715113210.GB16289@yamamaya.is-a-geek.org>
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Date: Wed, 15 Jul 2009 14:52:11 +0300
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On Wed, 2009-07-15 at 13:32 +0200, Tobias Diedrich wrote:
> I get the following error when trying to mount a second ubifs:
> "mount: File exists"
> Apparently the problem is that ubifs is registered in /sys/class/bdi
> with it's name 'ubifs' instead of the ubi device major/minor and
> so can only be registered once.
> 
> navi:/home/ranma# mount -t ubifs ubi1:rootfs /mnt/ubi1
> navi:/home/ranma# mount -t ubifs ubi0:rootfs /mnt/ubi0
> mount: File exists
> navi:/home/ranma# umount /mnt/ubi1
> navi:/home/ranma# mount -t ubifs ubi0:rootfs /mnt/ubi0
> navi:/home/ranma# mount -t ubifs ubi1:rootfs /mnt/ubi1
> mount: File exists
> 
> The corresponding kernel error messages is:
> sysfs: cannot create duplicate filename '/class/bdi/ubifs'
> 

Was fixed recently:

http://git.infradead.org/ubifs-2.6.git?a=commit;h=7fcd9c3ecbf09c0a77db7ba01aac75b32fb79a93

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)

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