Messages in this thread | | | Date | Mon, 13 Feb 2006 10:56:26 +0100 | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: RFC: disk geometry via sysfs |
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On 2/10/06, Seewer Philippe <philippe.seewer@bfh.ch> wrote: > Hello all!
Hi!
> I don't want to start another geometry war, but with the introduction of > the general getgeo function by Christoph Hellwig for all disks this > simply would become a matter of extending the basic gendisk block driver. > > There are people out there (like me) who need to know about disk > geometry. But since this is clearly post 2.6.16 I prefer to ask here > before writing a patch... > > Q1: Yes or No? > If no, the other questions do not apply
Yes?
> Q2: Where under sysfs? > Either do /sys/block/hdx/heads, /sys/block/hdx/sectors, etc. or should > there be a new sub-object like /sys/block/hdx/geometry/heads?
IMO /sys/block/hdx/sectors could be misleading therefore /sys/block/hdx/geometry/ would be better
> Q3: Writable? > Under some (weird) circumstances it would actually be quite nice to > overwrite the kernels idea of a disks geometry. This would require a > general function like setgeo. Acceptable?
Don't know. Maybe you should make it into separate patch (incremental to basic functionality) so it can be decided later.
Cheers, Bartlomiej - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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