newfs.h revision 92763 
1/*
2 * Copyright (c) 1980, 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: head/sbin/newfs/newfs.h 92763 2002-03-20 07:16:15Z phk $
34 */
35
36
37/*
38 * variables set up by front end.
39 */
40extern int	Nflag;		/* run mkfs without writing file system */
41extern int	Rflag;		/* regression test */
42extern int	Uflag;		/* enable soft updates for file system */
43extern u_int	fssize;		/* file system size */
44extern u_int	secpercyl;	/* sectors per cylinder */
45extern int	sectorsize;	/* bytes/sector */
46extern int	realsectorsize;	/* bytes/sector in hardware*/
47extern int	fsize;		/* fragment size */
48extern int	bsize;		/* block size */
49extern int	cpg;		/* cylinders/cylinder group */
50extern int	cpgflg;		/* cylinders/cylinder group flag was given */
51extern int	minfree;	/* free space threshold */
52extern int	opt;		/* optimization preference (space or time) */
53extern int	density;	/* number of bytes per inode */
54extern int	maxcontig;	/* max contiguous blocks to allocate */
55extern int	maxbpg;		/* maximum blocks per file in a cyl group */
56extern int	bbsize;		/* boot block size */
57extern int	sbsize;		/* superblock size */
58extern int	avgfilesize;	/* expected average file size */
59extern int	avgfilesperdir;	/* expected number of files per directory */
60void mkfs (struct partition *, char *, int, int);
61