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Date: Wed, 16 Jul 2003 23:34:51 +0200
From: Andries Brouwer <aebr@win.tue.nl>
To: Andrew Morton <akpm@osdl.org>
Cc: Greg KH <greg@kroah.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] print_dev_t for 2.6.0-test1-mm
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References: <20030716184609.GA1913@kroah.com> <20030716130915.035a13ca.akpm@osdl.org> <20030716210253.GD2279@kroah.com> <20030716141320.5bd2a8b3.akpm@osdl.org>
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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.

Andries