xref: /openbsd/usr.sbin/makefs/ffs.h (revision 5dea098c)
1 /*	$OpenBSD: ffs.h,v 1.10 2023/04/25 08:57:11 krw Exp $	*/
2 /*	$NetBSD: ffs.h,v 1.2 2011/10/09 21:33:43 christos Exp $	*/
3 
4 /*
5  * Copyright (c) 2001-2003 Wasabi Systems, Inc.
6  * All rights reserved.
7  *
8  * Written by Luke Mewburn for Wasabi Systems, Inc.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *      This product includes software developed for the NetBSD Project by
21  *      Wasabi Systems, Inc.
22  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
23  *    or promote products derived from this software without specific prior
24  *    written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _FFS_H
40 #define _FFS_H
41 
42 typedef struct {
43 	char	label[MAXVOLLEN];	/* volume name/label */
44 	int	bsize;		/* block size */
45 	int	fsize;		/* fragment size */
46 	int	density;	/* bytes per inode */
47 	int	minfree;	/* free space threshold */
48 	int	optimization;	/* optimization (space or time) */
49 	int	maxbpg;		/* maximum blocks per file in a cyl group */
50 	int	avgfilesize;	/* expected average file size */
51 	int	avgfpdir;	/* expected # of files per directory */
52 	int	version;	/* filesystem version (1 = FFS, 2 = UFS2) */
53 	int	maxbsize;	/* maximum extent size */
54 	int	maxblkspercg;	/* max # of blocks per cylinder group */
55 	int	rdroot;		/* create rdroot disklabel */
56 
57 	struct disklabel *lp;	/* disk label */
58 	struct partition *pp;	/* matching FFS partition in disklabel */
59 } ffs_opt_t;
60 
61 #endif /* _FFS_H */
62