lkml.org 
[lkml]   [2006]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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.
>

-
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/

\
 
 \ /
  Last update: 2006-02-15 17:25    [W:0.828 / U:0.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site