Subject: Re: mounting non-BSD partitions.
To: John Kohl <>
From: Perry E. Metzger <>
List: current-users
Date: 06/23/1997 13:15:22
John Kohl writes:
> >>>>> "MR" == "Michael C Richardson" <> writes:
> MR>   I'd also like to suggest that 16 bits for the major number is over
> MR> doing it. I can understand 8 getting a bit tight in exceptional
> MR> conditions, but 12 ought to it. I suggest major numbers are 8 or 12
> MR> bits in size, and the rest is minor numbers.
> Solaris and IRIX use a 10-bit major number with 22-bit minor numbers.
> That seems to work just fine, so I'd suggest we use this existing
> practice.
> They also use a makedevice() macro instead of makedev().  (makedev()
> makes the old compatibility-sized device numbers, makedevice() creates
> full-sized device numbers)

How does BSDI do all this?