Re: [PATCH] print_dev_t for 2.6.0-test1-mm

From: H. Peter Anvin (hpa@zytor.com)
Date: Wed Jul 16 2003 - 17:10:19 EST

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Followup to: <20030716143902.4b26be70.akpm@osdl.org>
By author: Andrew Morton <akpm@osdl.org>
In newsgroup: linux.dev.kernel
>
> Andries Brouwer <aebr@win.tue.nl> wrote:
> >
> > On Wed, Jul 16, 2003 at 02:13:20PM -0700, Andrew Morton wrote:
> >
> > > The new dev_t encoding is a bit weird because we of course continue to
> > > support the old 8:8 encoding. I think the rule is: "if the top 32-bits are
> > > zero, it is 8:8, otherwise 32:32". We can express this nicely with
> > > "%u:%u".
> >
> > 16-bit only: 8:8, otherwise 32-bit only: 16:16, otherwise 32:32.
> >
>
> Why do we need the 16:16 option?
>

We needs 32-bit for NFSv2, but I thought it was going to be 12:20.

-hpa

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