2 * Copyright (c) 2002 Networks Associates Technology, Inc.
5 * This software was developed for the FreeBSD Project by Marshall
6 * Kirk McKusick and Network Associates Laboratories, the Security
7 * Research Division of Network Associates, Inc. under DARPA/SPAWAR
8 * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
11 * Copyright (c) 1980, 1989, 1993
12 * The Regents of the University of California. All rights reserved.
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15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 * variables set up by front end.
46 extern int Eflag; /* Erase previous disk contents */
47 extern int Lflag; /* add a volume label */
48 extern int Nflag; /* run mkfs without writing file system */
49 extern int Oflag; /* build UFS1 format file system */
50 extern int Rflag; /* regression test */
51 extern int Uflag; /* enable soft updates for file system */
52 extern int Xflag; /* exit in middle of newfs for testing */
53 extern int Jflag; /* enable gjournal for file system */
54 extern int lflag; /* enable multilabel MAC for file system */
55 extern int nflag; /* do not create .snap directory */
56 extern intmax_t fssize; /* file system size */
57 extern int sectorsize; /* bytes/sector */
58 extern int realsectorsize; /* bytes/sector in hardware*/
59 extern int fsize; /* fragment size */
60 extern int bsize; /* block size */
61 extern int maxbsize; /* maximum clustering */
62 extern int maxblkspercg; /* maximum blocks per cylinder group */
63 extern int minfree; /* free space threshold */
64 extern int opt; /* optimization preference (space or time) */
65 extern int density; /* number of bytes per inode */
66 extern int maxcontig; /* max contiguous blocks to allocate */
67 extern int maxbpg; /* maximum blocks per file in a cyl group */
68 extern int avgfilesize; /* expected average file size */
69 extern int avgfilesperdir; /* expected number of files per directory */
70 extern u_char *volumelabel; /* volume label for filesystem */
71 extern struct uufsd disk; /* libufs disk structure */
74 * To override a limitation in libufs, export the offset (in sectors) of the
75 * partition on the underlying media (file or disk). The value is used as
76 * an offset for all accesses to the media through bread(), which is only
77 * invoked directly in this program.
78 * For bwrite() we need a different approach, namely override the library
79 * version with one defined here. This is because bwrite() is called also
80 * by the library function sbwrite() which we cannot intercept nor want to
81 * rewrite. As a consequence, the internal version of bwrite() adds the
82 * partition offset itself when calling the underlying function, pwrite().
84 * XXX This info really ought to go into the struct uufsd, at which point
85 * we can remove the above hack.
87 extern ufs2_daddr_t part_ofs; /* partition offset in blocks */
89 void mkfs (struct partition *, char *);