ffs.h revision 1.2 1 1.2 christos /* $NetBSD: ffs.h,v 1.2 2011/10/09 21:33:43 christos Exp $ */
2 1.1 jmc
3 1.1 jmc /*
4 1.1 jmc * Copyright (c) 2001-2003 Wasabi Systems, Inc.
5 1.1 jmc * All rights reserved.
6 1.1 jmc *
7 1.1 jmc * Written by Luke Mewburn for Wasabi Systems, Inc.
8 1.1 jmc *
9 1.1 jmc * Redistribution and use in source and binary forms, with or without
10 1.1 jmc * modification, are permitted provided that the following conditions
11 1.1 jmc * are met:
12 1.1 jmc * 1. Redistributions of source code must retain the above copyright
13 1.1 jmc * notice, this list of conditions and the following disclaimer.
14 1.1 jmc * 2. Redistributions in binary form must reproduce the above copyright
15 1.1 jmc * notice, this list of conditions and the following disclaimer in the
16 1.1 jmc * documentation and/or other materials provided with the distribution.
17 1.1 jmc * 3. All advertising materials mentioning features or use of this software
18 1.1 jmc * must display the following acknowledgement:
19 1.1 jmc * This product includes software developed for the NetBSD Project by
20 1.1 jmc * Wasabi Systems, Inc.
21 1.1 jmc * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1 jmc * or promote products derived from this software without specific prior
23 1.1 jmc * written permission.
24 1.1 jmc *
25 1.1 jmc * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1 jmc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1 jmc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1 jmc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1 jmc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1 jmc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1 jmc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1 jmc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1 jmc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1 jmc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1 jmc * POSSIBILITY OF SUCH DAMAGE.
36 1.1 jmc */
37 1.1 jmc
38 1.1 jmc #ifndef _FFS_H
39 1.1 jmc #define _FFS_H
40 1.1 jmc
41 1.2 christos #include <ufs/ufs/dinode.h>
42 1.2 christos #include <ufs/ffs/fs.h>
43 1.2 christos
44 1.1 jmc typedef struct {
45 1.2 christos char label[MAXVOLLEN]; /* volume name/label */
46 1.1 jmc int bsize; /* block size */
47 1.1 jmc int fsize; /* fragment size */
48 1.1 jmc int cpg; /* cylinders per group */
49 1.1 jmc int cpgflg; /* cpg was specified by user */
50 1.1 jmc int density; /* bytes per inode */
51 1.1 jmc int ntracks; /* number of tracks */
52 1.1 jmc int nsectors; /* number of sectors */
53 1.1 jmc int rpm; /* rpm */
54 1.1 jmc int minfree; /* free space threshold */
55 1.1 jmc int optimization; /* optimization (space or time) */
56 1.1 jmc int maxcontig; /* max contiguous blocks to allocate */
57 1.1 jmc int rotdelay; /* rotational delay between blocks */
58 1.1 jmc int maxbpg; /* maximum blocks per file in a cyl group */
59 1.1 jmc int nrpos; /* # of distinguished rotational positions */
60 1.1 jmc int avgfilesize; /* expected average file size */
61 1.1 jmc int avgfpdir; /* expected # of files per directory */
62 1.1 jmc int version; /* filesystem version (1 = FFS, 2 = UFS2) */
63 1.1 jmc int maxbsize; /* maximum extent size */
64 1.1 jmc int maxblkspercg; /* max # of blocks per cylinder group */
65 1.1 jmc /* XXX: support `old' file systems ? */
66 1.1 jmc } ffs_opt_t;
67 1.1 jmc
68 1.1 jmc #endif /* _FFS_H */
69