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lvm2/libdm/misc/kdev_t.h

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/*
* Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LIBDM_KDEV_H
#define _LIBDM_KDEV_H
#define MAJOR(dev) ((dev & 0xfff00) >> 8)
#define MINOR(dev) ((dev & 0xff) | ((dev >> 12) & 0xfff00))
#define MKDEV(ma,mi) (((dev_t)mi & 0xff) | ((dev_t)ma << 8) | (((dev_t)mi & ~0xff) << 12))
#endif