extern.h revision 1.16 1 /* $NetBSD: extern.h,v 1.16 2017/02/08 16:11:40 rin Exp $ */
2
3 /*
4 * Copyright (c) 1997 Christos Zoulas. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 /* prototypes */
28 void mkfs(const char *, int, int, mode_t, uid_t, gid_t);
29
30 /* * variables set up by front end. */
31 extern int mfs; /* run as the memory based filesystem */
32 extern int Nflag; /* run mkfs without writing file system */
33 extern int Oflag; /* format as an 4.3BSD file system */
34 extern int verbosity; /* amount of printf() output */
35 extern int64_t fssize; /* file system size */
36 extern int sectorsize; /* bytes/sector */
37 extern int rpm; /* revolutions/minute of drive */
38 extern int fsize; /* fragment size */
39 extern int bsize; /* block size */
40 extern int maxbsize;
41 extern int cpg; /* cylinders/cylinder group */
42 extern int cpgflg; /* cylinders/cylinder group flag was given */
43 extern int minfree; /* free space threshold */
44 extern int opt; /* optimization preference (space or time) */
45 extern int density; /* number of bytes per inode */
46 extern int num_inodes; /* number of inodes (overrides density) */
47 extern int maxcontig; /* max contiguous blocks to allocate */
48 extern int maxbpg; /* maximum blocks per file in a cyl group */
49 extern int maxblkspercg;
50 extern int nrpos; /* # of distinguished rotational positions */
51 extern int avgfilesize; /* expected average file size */
52 extern int avgfpdir; /* expected number of files per directory */
53 extern u_long memleft; /* virtual memory available */
54 extern caddr_t membase; /* start address of memory based filesystem */
55 extern int quotas; /* filesystem quota to enable */
56
57 #ifndef NO_FFS_EI
58 extern int needswap; /* Filesystem not in native byte order */
59 #else
60 /* Disable Endian-Independent FFS support for install media */
61 #define needswap (0)
62 #define ffs_cg_swap(a, b, c) do {} while (/*CONSTCOND*/0)
63 #define ffs_csum_swap(a, b, c) do {} while (/*CONSTCOND*/0)
64 #define ffs_dinode1_swap(a, b) do {} while (/*CONSTCOND*/0)
65 #define ffs_sb_swap(a, b) do {} while (/*CONSTCOND*/0)
66 #endif
67
68 #ifndef NO_APPLE_UFS
69 extern int isappleufs; /* Filesystem is Apple UFS */
70 extern char *appleufs_volname; /* Apple UFS volume name */
71 #else
72 /* Disable Apple UFS support for install media */
73 #define isappleufs (0)
74 #endif
75