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Date: Mon, 14 Jan 2002 19:45:54 +0100
From: Christoph Hellwig <hch@caldera.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-lvm@sistina.com, Alexander Viro <viro@math.psu.edu>,
        Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [linux-lvm] Re: [RFLART] kdev_t in ioctls
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In-Reply-To: <E16QCHl-0002XJ-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Mon, Jan 14, 2002 at 06:56:44PM +0000
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On Mon, Jan 14, 2002 at 06:56:44PM +0000, Alan Cox wrote:
> > > Glibc disagrees with you (bits/types.h):
> > > 
> > > typedef __u_quad_t __dev_t;             /* Type of device numbers.  */
> > > 
> > > We'd have to use __kernel_dev_t instead which again pulls kernel
> > > headers in..
> > 
> > Argg.  That's also non-funny:
> 
> glibc is meant to disagree. glibc provides a virtualised dev_t to user space
> so that the kernel one can be expanded in future without application
> breakage.

I know - still it makes Linus' suggestion not work on ~90% of the
systems.
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