126 lines
5.5 KiB
C
126 lines
5.5 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 2002 Networks Associates Technology, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed for the FreeBSD Project by Marshall
|
|
* Kirk McKusick and Network Associates Laboratories, the Security
|
|
* Research Division of Network Associates, Inc. under DARPA/SPAWAR
|
|
* contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
|
|
* research program.
|
|
*
|
|
* Copyright (c) 1980, 1989, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <libufs.h>
|
|
|
|
/*
|
|
* The following two constants set the default block and fragment sizes.
|
|
* Both constants must be a power of 2 and meet the following constraints:
|
|
* MINBSIZE <= DESBLKSIZE <= MAXBSIZE
|
|
* sectorsize <= DESFRAGSIZE <= DESBLKSIZE
|
|
* DESBLKSIZE / DESFRAGSIZE <= 8
|
|
*/
|
|
#define DFL_FRAGSIZE 4096
|
|
#define DFL_BLKSIZE 32768
|
|
|
|
/*
|
|
* Cylinder groups may have up to MAXBLKSPERCG blocks. The actual
|
|
* number used depends upon how much information can be stored
|
|
* in a cylinder group map which must fit in a single file system
|
|
* block. The default is to use as many as possible blocks per group.
|
|
*/
|
|
#define MAXBLKSPERCG 0x7fffffff /* desired fs_fpg ("infinity") */
|
|
|
|
/*
|
|
* MAXBLKPG determines the maximum number of data blocks which are
|
|
* placed in a single cylinder group. The default is one indirect
|
|
* block worth of data blocks.
|
|
*/
|
|
#define MAXBLKPG(bsize) ((bsize) / sizeof(ufs2_daddr_t))
|
|
|
|
/*
|
|
* Each file system has a number of inodes statically allocated.
|
|
* We allocate one inode slot per NFPI fragments, expecting this
|
|
* to be far more than we will ever need.
|
|
*/
|
|
#define NFPI 2
|
|
|
|
/*
|
|
* variables set up by front end.
|
|
*/
|
|
extern int Eflag; /* Erase previous disk contents */
|
|
extern int Lflag; /* add a volume label */
|
|
extern int Nflag; /* run mkfs without writing file system */
|
|
extern int Oflag; /* build UFS1 format file system */
|
|
extern int Rflag; /* regression test */
|
|
extern int Uflag; /* enable soft updates for file system */
|
|
extern int jflag; /* enable soft updates journaling for filesys */
|
|
extern int Xflag; /* exit in middle of newfs for testing */
|
|
extern int Jflag; /* enable gjournal for file system */
|
|
extern int lflag; /* enable multilabel MAC for file system */
|
|
extern int nflag; /* do not create .snap directory */
|
|
extern int tflag; /* enable TRIM */
|
|
extern intmax_t fssize; /* file system size */
|
|
extern off_t mediasize; /* device size */
|
|
extern int sectorsize; /* bytes/sector */
|
|
extern int realsectorsize; /* bytes/sector in hardware*/
|
|
extern int fsize; /* fragment size */
|
|
extern int bsize; /* block size */
|
|
extern int maxbsize; /* maximum clustering */
|
|
extern int maxblkspercg; /* maximum blocks per cylinder group */
|
|
extern int minfree; /* free space threshold */
|
|
extern int metaspace; /* space held for metadata blocks */
|
|
extern int opt; /* optimization preference (space or time) */
|
|
extern int density; /* number of bytes per inode */
|
|
extern int maxcontig; /* max contiguous blocks to allocate */
|
|
extern int maxbpg; /* maximum blocks per file in a cyl group */
|
|
extern int avgfilesize; /* expected average file size */
|
|
extern int avgfilesperdir; /* expected number of files per directory */
|
|
extern u_char *volumelabel; /* volume label for filesystem */
|
|
extern struct uufsd disk; /* libufs disk structure */
|
|
|
|
/*
|
|
* To override a limitation in libufs, export the offset (in sectors) of the
|
|
* partition on the underlying media (file or disk). The value is used as
|
|
* an offset for all accesses to the media through bread(), which is only
|
|
* invoked directly in this program.
|
|
* For bwrite() we need a different approach, namely override the library
|
|
* version with one defined here. This is because bwrite() is called also
|
|
* by the library function sbwrite() which we cannot intercept nor want to
|
|
* rewrite. As a consequence, the internal version of bwrite() adds the
|
|
* partition offset itself when calling the underlying function, pwrite().
|
|
*
|
|
* XXX This info really ought to go into the struct uufsd, at which point
|
|
* we can remove the above hack.
|
|
*/
|
|
extern ufs2_daddr_t part_ofs; /* partition offset in blocks */
|
|
|
|
void mkfs (struct partition *, char *);
|