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Revision 1.4, Mon Mar 14 20:30:34 2016 UTC (8 years, 2 months ago) by natano
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, OPENBSD_6_5_BASE, OPENBSD_6_5, OPENBSD_6_4_BASE, OPENBSD_6_4, OPENBSD_6_3_BASE, OPENBSD_6_3, OPENBSD_6_2_BASE, OPENBSD_6_2, OPENBSD_6_1_BASE, OPENBSD_6_1, OPENBSD_6_0_BASE, OPENBSD_6_0, HEAD
Changes since 1.3: +2 -2 lines 

Replace an ad-hoc implementation of opendev(), with said function and
open the device only once with the correct flags, instead of twice (one
file handle for reading and one for writing). Committing this at once
because the changes are interrelated.

ok stefan

/* $OpenBSD: extern.h,v 1.4 2016/03/14 20:30:34 natano Exp $ */
/*	$NetBSD: extern.h,v 1.4 2009/10/21 01:07:46 snj Exp $	*/

/*
 * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* XXX should be in <sys/ufs/ext2fs.h> */
#define EXT2_LOG_MAXBSIZE	12
#define EXT2_MAXBSIZE		(1 << EXT2_LOG_MAXBSIZE)

#ifndef nitems
#define nitems(_a)   (sizeof((_a)) / sizeof((_a)[0]))
#endif

/* prototypes */
void mke2fs(const char *, int);

/* variables set up by front end. */
extern int	Nflag;		/* run mkfs without writing file system */
extern int	Oflag;		/* format as an 4.3BSD file system */
extern int	verbosity;	/* amount of printf() output */
extern int64_t	fssize;		/* file system size */
extern uint16_t	inodesize;	/* bytes per inode */
extern uint	sectorsize;	/* sector size */
extern uint	fsize;		/* fragment size */
extern uint	bsize;		/* block size */
extern uint	minfree;	/* free space threshold */
extern uint	num_inodes;	/* number of inodes (overrides density) */
extern char	*volname;	/* volume name */