Alan Cox wrote:
On Mer, 2006-02-15 at 10:01 +0100, Seewer Philippe wrote:
This would mean dropping the HDIO_GETGEO ioctl completely and force
applications such as fdisk/sfdisk and even dosemu to determine disk
geometry for themselves. Which I think actually would be the most
correct approach.
In the IDE case the drive geometry has meaning in certain cases,
specifically the C/H/S drive addressing case with old old drives.
I thought that C/H/S addressing was purely a function of int 13, not the
hardware interface? If it is a function of some older hardware
interfaces, then we are still talking about two different, and likely
incompatible geometries: the one the disk reports, and the one the bios
reports. The values in the MBR must be the values the bios reports.
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