Re: WD_QUIRK_FORCE_LBA48

[David Laight <david%l8s.co.uk@localhost>]

On Mon, Dec 14, 2009 at 04:27:51PM +0100, Manuel Bouyer wrote:
> >         if (wd->sc_flags & WDF_LBA48 &&
> > -           (wd->sc_wdc_bio.blkno > LBA48_THRESHOLD ||
> > +           (wd->sc_wdc_bio.blkno +
> > +               wd->sc_wdc_bio.bcount / wd->sc_dk.dk_label->d_secsize >
> > +               LBA48_THRESHOLD ||
> 
> but please make this (LBA48_THRESHOLD + 1). Otherwise the last
> LBA24 sector will be inaccessible on non-LBA48 controllers.

Actually I think someone pointed out that the max sector number
for LBA28 is sector 0xffffffe - the maximum value for the 'number of
sectors addressable with LBA28' is 0xfffffff.

        David

-- 
David Laight: david%l8s.co.uk@localhost