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    SubjectRe: RFC: disk geometry via sysfs
    Alan Cox wrote:
    >
    > We have at least three
    >
    > Disk reported C/H/S
    > BIOS reported C/H/S (hda/hdb only)
    > Actual C/H/S (if it exists)
    > Partition table C/H/S
    >
    > A partitioning tool needs to know
    > Disk reported C/H/S
    > Partition table C/H/S
    > Preferably BIOS reported C/H/S if there is one
    >

    Why do you say the partitioning tool needs to know the disk reported
    C/H/S? The value stored in the MBR must match the bios reported values,
    not the disk reported ones, so why does the partitioner care about what
    the disk reports?

    > The partition table C/H/S is on disk so trivial
    > The disk reported ones are in the identify block so could be pulled via
    > /proc and sysfs
    > The BIOS one is PC specific low memory poking around
    >
    > I agree entirely that HD_GETGEO itself shouldn't matter.
    >

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