> Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de> writes:
>
> > The remaining question is how to divide the 64 bits between major and minor
> > number. Linus claims this is not an issue. I don't agree, because file
>
> The kernel still has to dispatch to the driver based on the major number.
>
> Anyway, I'd use 16 bits major and 48 bits minor. That's enough space for
> drivers and enough bits for all SCSI buses you're ever going to find on a
> system (let's see, 8 adapters with 4 channels with 16 devices with 8 LUNs (oops,
> more for SCSI-3?)
There are adapters around with >4 channels. 5 was the highest I've seen
so far.
Also will soon need to start supporting >16 devices. 128 will be
needed when using SSA controllers for example.
Mike