Am Freitag, den 31.07.2009, 18:05 +0200 schrieb Robert Millan: > On Wed, Jul 29, 2009 at 10:43:23AM +0200, Felix Zielcke wrote: > > Am Dienstag, den 28.07.2009, 20:12 +0200 schrieb Robert Millan: > > > On Sun, Jul 26, 2009 at 04:05:31PM +0200, Felix Zielcke wrote: > > > > As requested by Robert on IRC, this is a split from my dmraid patch. > > > > On dmraid devices HDIO_GETGEO returns 0 for all fields, so the current > > > > way of grub_util_biosdisk_get_grub_dev just can't work. > > > > So I use blkid to get the UUID of the device and then a new nested > > > > function to find out the grub device like search does. > > > > > > > > I think this is with intent from the kernel that it just returns 0's. > > > > Maybe it just can't distinguish between a device mapper setup which goes > > > > over multiple partitions or harddisks of different size not from one > > > > which goes only over complete harddisks with same size like in dmraid > > > > Hm but even if, I think it wouldn't help in case of RAID != 1. Sector > > > > count could be > then last sector of one disk or not? > > > > > > I keep thinking this is an overkill solution. We should to discuss more > > > about > > > what's the problem we need to fix, and only ressort to this if we have no > > > other choice. > > > > > > > The problem is how do we map a device file to a grub device. > > Especially BSD partitions which only have numbers under Linux? > > I don't know how the devices are called under BSD. > > What does grub device mean in this context? If we're strictly in util/ land, > any arbitrary map will do as long as it's consistent.
> If we're in both places, we already avoid making assumptions that there will > be consistency between them, so we don't need to make them now. If we'd do an arbitrary mapping then `grub-probe -t drive' would show the wrong grub device. But except from this I think that would be okay. -- Felix Zielcke Proud Debian Maintainer _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
