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

[HAYASAKA Mitsuo]

Hi Christoph,

Thank you for your comment.

(2012/01/13 1:14), Christoph Hellwig wrote:
> On Thu, Jan 12, 2012 at 11:47:20AM +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.
> 
> Looks good to me,
> 
> 
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> 
>> -	xfs_warn(mp, "Filesystem has duplicate UUID - can't mount");
>> +	xfs_warn(mp,
>> +		"Filesystem has duplicate UUID - can't mount: uuid = %pU",
>> +		uuid);
> 
> Maybe we could write this a bit nicer as:
> 
> 	xfs_warn(mp, "Filesystem has duplicate UUID %p - can't mount", uuid);
> 

It looks nice.
I will send the revised patch soon.

Thanks.