[PATCH] xfs: show uuid when mount fails due to duplicate uuid

[Ben Myers]

On Fri, Jan 13, 2012 at 02:58:39PM +0900, Mitsuo Hayasaka wrote:
> When a system tries to mount a filesystem (FS) using UUID, the xfs
> returns -EINVAL and shows a message if a FS with the same UUID has
> been already mounted. It is useful to output the duplicate UUID
> with it.
> 
> Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu at hitachi.com>
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Cc: Ben Myers <bpm at sgi.com>
> Cc: Alex Elder <elder at kernel.org>
> Cc: Christoph Hellwig <hch at lst.de>

Looks good.

Reviewed-by: Ben Myers <bpm at sgi.com>