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Subject: Re: [linux-lvm] Re: [RFLART] kdev_t in ioctls
To: hch@caldera.de (Christoph Hellwig)
Date: Mon, 14 Jan 2002 18:56:44 +0000 (GMT)
Cc: linux-lvm@sistina.com, viro@math.psu.edu (Alexander Viro),
        torvalds@transmeta.com (Linus Torvalds), linux-kernel@vger.kernel.org
In-Reply-To: <20020114191342.A3731@caldera.de> from "Christoph Hellwig" at Jan 14, 2002 07:13:42 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > 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.
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