On Thu, Jul 26, 2012 at 12:29:41PM +0200, Davidlohr Bueso wrote:
> On Thu, 2012-07-26 at 11:57 +0200, Karel Zak wrote:
> > On Thu, Jul 26, 2012 at 11:29:40AM +0200, Davidlohr Bueso wrote:
> > > > (a) where fdisk gets the information about the geometry from in this
> > > > specific case?
> > >
> > > fdisk gets the information from (i) user input, (ii) what the
> > > kernel/bios thinks the geometry is, with the HDIO_GETGEO ioctl and (iii)
> > > by inferring it from the partition table geometry.
> >
> > BTW, does it make any sense to read the geometry from partition table
> > if the partition table has been aligned according to the device topology
> > (for example 1MiB offset and grain)?
>
> Hmm not really, no. In any case we got rid of the pt geometry,
> __discover_system_geometry() only gets the info from the kernel.
I have moved get_partition_table_geometry() to dos_probe_label() :-)
It seems we need if (dos_compatible) there.
It means that for MBR we still read the PT geometry ;-)
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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