Subject: Re: dev_t changes & partitions
To: Bill Studenmund <>
From: Chris G. Demetriou <>
List: tech-kern
Date: 01/13/1998 16:10:27
> One thing I think we should do with the 32-bit dev_t conversion is
> change the number of partitions per disk. Not only are more partitions
> one specified reason for 32-bit dev_t's, but messing with the partition
> number will precipitate a device node mess.
> If we change partitions at the same time as dev_t's, we can reduce the
> mess.

Yes.  I think it's reasonable to do this the way BSDI did, i.e. use a
dv_unit and dv_subunit.