Subject: Re: Disklabel ioctls (was Re: nore on disk ...)
To: Ty Sarna <tsarna@endicor.com>
From: Jason Thorpe <thorpej@SJ.Xenotropic.COM>
List: tech-kern
Date: 11/15/1995 19:56:48
On Wed, 15 Nov 1995 18:04:10 GMT
tsarna@endicor.com (Ty Sarna) wrote:
> Any disklabel reorganization should strongly consider making support for
> particular formats machine-independant. IE, one should be able to put a
> MS-DOS partitioned hard disk on a NetBSD/sparc and mount the DOS
> filesystems, etc. This is especially useful with things like
> EZ/Zip/Jazz/Floptical drives. It'd be nice to pop a DOS formatted disk
> into the drive on NetBSD/amiga machine and read it, or pop an Amiga disk
> into the drive on a PC and mount it's partiton(s) with adosfs, or
> whatever. This could get difficult with ports like i386 where the raw
> partition is wierd. (Why isn't c the whole disk and d the NetBSD part?
> And is there a reason NetBSD partions aren't made as individual
> partitions in the DOS partition table?)
While this is a worthy goal, it's not really the problem I'm trying to
solve at the moment.
Several months ago, I was thinking about what might be required to read
different-endian disklabels. It actually turned out to be a bit hairy...
Of course, you've also touched on the issue that ffs/adosfs/msdosfs/etc.
need to understand byteswapping, too.
------------------------------------------------------------------------------
Jason R. Thorpe thorpej@Xenotropic.COM
Just me and my collection of obsolete computer gear(s).