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Date: Wed, 16 Jul 2003 14:39:02 -0700
From: Andrew Morton <akpm@osdl.org>
To: Andries Brouwer <aebr@win.tue.nl>
Cc: greg@kroah.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] print_dev_t for 2.6.0-test1-mm
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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?