Re: [PATCH] Fix ext3 warning for unused var

[jmerkey]

Valdis.Kletnieks@xxxxxx wrote:

> On Sun, 09 Oct 2005 23:08:38 BST, Al Viro said:
>
>  
>
> > Since when does fsck run fsck.ext3 on filesystems that are not marked
> > as ext3 in /etc/fstab?
> >    
>
> Part of the problem is that if a partition is formatted with mkfs.ext3,
> it gets an ext3 magic number scribbled at a known offset into the partition.
> If you then reformat it with mkfs.reiserfs, that scribbles a different
> magic number elsewhere on the partition, but leaves the ext3 magic number
> intact.  As a result, if you forget to update /etc/fstab, fsck.ext3 checks
> for its magic number, finds it, concludes it's probably an ext3, and then
> discovers that everything is totally scrogged.....
>
> Yes, it's pilot error, but it's definitely hitting your feet with much larger
> caliber rounds than you would have expected... :)
>  

Yep.   Needs to get fixed because when you upgrade from a reiserfs 
system and try to keep the reiserfs partitions and add a new hard drive 
(+1) to
an existing system, you run the risk of corrupting resiferfs partitions. 

Jeff


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