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    SubjectRe: [PATCH] Fix ext3 warning for unused var 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.


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