Messages in this thread | | | Date | Wed, 15 Feb 2006 11:20:57 -0500 | From | Phillip Susi <> | Subject | Re: RFC: disk geometry via sysfs |
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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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