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Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS
From: |
Andries Brouwer |
Subject: |
Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff) |
Date: |
Fri, 2 Jul 2004 19:04:10 +0200 |
User-agent: |
Mutt/1.4i |
On Fri, Jul 02, 2004 at 06:17:53PM +0200, Szakacsits Szabolcs wrote:
> Does anybody find the new HDIO_GETGEO semantic useful? Did it help
> _anything_?
Yes. I do.
There was a steady stream of people reporting on geometry problems.
All these problems were caused by kernel guessing stuff.
If the kernel no longer volunteers a guess, then we no longer have
the situation that the guess can be wrong.
We lived in a world where things got more and more complicated
with programs guessing what values other programs might want
to satisfy a third program.
The new world is getting much simpler. Only the programs that need a value
have to invent it. Many of these can in fact do without. LILO survives
well without geometry information.
The only case I see where absolutely something is needed is the
case of partitioning an empty disk.
Telling the user at that point: "if you have no idea I'll use
H=255 S=63, that is very often correct, but note that if you also
want to use Windows on this disk it might be better to let Windows
partition first; also, enabling CONFIG_EDD might allow me to guess
what the BIOS uses" may be enough.
Andries
- Re: workaround for BIOS / CHS stuff, Patrick J. LoPresti, 2004/07/02
- Re: workaround for BIOS / CHS stuff, K . G ., 2004/07/02
- [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Szakacsits Szabolcs, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Andries Brouwer, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff),
Andries Brouwer <=
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Szakacsits Szabolcs, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Patrick J. LoPresti, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Anton Altaparmakov, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Patrick J. LoPresti, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Szakacsits Szabolcs, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics, Anthony Ewell, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics, Szakacsits Szabolcs, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Bartlomiej Zolnierkiewicz, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Andrew Clausen, 2004/07/02
- Re: [RFC] Restoring HDIO_GETGEO semantics (was: Re: workaround for BIOS / CHS stuff), Szakacsits Szabolcs, 2004/07/02