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    SubjectRe: [PATCH 2/2] genhd, efi: add efi partition metadata to hd_structs
    On Wed, Aug 4, 2010 at 16:45, Will Drewry <wad@chromium.org> wrote:
    > On Wed, Aug 4, 2010 at 9:27 AM, John Stoffel <john@stoffel.org> wrote:

    >> Ugh, why do we care whether a UUID refers to a disk or a partition?

    Because it is not a filesystem UUID, and that matters to distinguish.
    You can even reformat the partition and it stays the same.

    >> It should be unique no matter what, so just do /dev/uuid/XXXX and call
    >> it done.
    >
    > Since these are supposed to be _unique_ it seems that any reference to
    > a uuid should be fair game.  And if a root=/dev/uuid/XXX makes it to
    > an initramfs environment, then that'll be able to easily check if the
    > UUID refers to a filesystem uuid or not.
    >
    > I can roll that into the next version unless there's specific complaints.

    I don't think so. People should stop encoding non-existing stuff in
    the /dev namespace. :)

    Thanks,
    Kay
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