431 lines
13 KiB
C
431 lines
13 KiB
C
/*
|
|
* 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) 1983, 1989, 1993, 1994
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1983, 1989, 1993, 1994\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)newfs.c 8.13 (Berkeley) 5/1/95";
|
|
#endif /* not lint */
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* newfs: friendly front end to mkfs
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/disklabel.h>
|
|
#include <sys/file.h>
|
|
#include <sys/mount.h>
|
|
|
|
#include <ufs/ufs/dir.h>
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ffs/fs.h>
|
|
#include <ufs/ufs/ufsmount.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <paths.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
#include <unistd.h>
|
|
|
|
#include "newfs.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 2048
|
|
#define DFL_BLKSIZE 16384
|
|
|
|
/*
|
|
* 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 4
|
|
|
|
int Lflag; /* add a volume label */
|
|
int Nflag; /* run without writing file system */
|
|
int Oflag = 2; /* file system format (1 => UFS1, 2 => UFS2) */
|
|
int Rflag; /* regression test */
|
|
int Uflag; /* enable soft updates for file system */
|
|
quad_t fssize; /* file system size */
|
|
int sectorsize; /* bytes/sector */
|
|
int realsectorsize; /* bytes/sector in hardware */
|
|
int fsize = 0; /* fragment size */
|
|
int bsize = 0; /* block size */
|
|
int maxbsize = 0; /* maximum clustering */
|
|
int maxblkspercg = MAXBLKSPERCG; /* maximum blocks per cylinder group */
|
|
int minfree = MINFREE; /* free space threshold */
|
|
int opt = DEFAULTOPT; /* optimization preference (space or time) */
|
|
int density; /* number of bytes per inode */
|
|
int maxcontig = 0; /* max contiguous blocks to allocate */
|
|
int maxbpg; /* maximum blocks per file in a cyl group */
|
|
int avgfilesize = AVFILESIZ;/* expected average file size */
|
|
int avgfilesperdir = AFPDIR;/* expected number of files per directory */
|
|
u_char *volumelabel = NULL; /* volume label for filesystem */
|
|
struct uufsd disk; /* libufs disk structure */
|
|
|
|
static char device[MAXPATHLEN];
|
|
static char *disktype;
|
|
static int unlabeled;
|
|
|
|
static struct disklabel *getdisklabel(char *s);
|
|
static void rewritelabel(char *s, struct disklabel *lp);
|
|
static void usage(void);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct partition *pp;
|
|
struct disklabel *lp;
|
|
struct partition oldpartition;
|
|
struct stat st;
|
|
char *cp, *special;
|
|
int ch, i;
|
|
off_t mediasize;
|
|
|
|
while ((ch = getopt(argc, argv,
|
|
"L:NO:RS:T:Ua:b:c:d:e:f:g:h:i:m:o:s:")) != -1)
|
|
switch (ch) {
|
|
case 'L':
|
|
volumelabel = optarg;
|
|
i = -1;
|
|
while (isalnum(volumelabel[++i]));
|
|
if (volumelabel[i] != '\0') {
|
|
errx(1, "bad volume label. Valid characters are alphanumerics.");
|
|
}
|
|
if (strlen(volumelabel) >= MAXVOLLEN) {
|
|
errx(1, "bad volume label. Length is longer than %d.",
|
|
MAXVOLLEN);
|
|
}
|
|
Lflag = 1;
|
|
break;
|
|
case 'N':
|
|
Nflag = 1;
|
|
break;
|
|
case 'O':
|
|
if ((Oflag = atoi(optarg)) < 1 || Oflag > 2)
|
|
errx(1, "%s: bad file system format value",
|
|
optarg);
|
|
break;
|
|
case 'R':
|
|
Rflag = 1;
|
|
break;
|
|
case 'S':
|
|
if ((sectorsize = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad sector size", optarg);
|
|
break;
|
|
case 'T':
|
|
disktype = optarg;
|
|
break;
|
|
case 'U':
|
|
Uflag = 1;
|
|
break;
|
|
case 'a':
|
|
if ((maxcontig = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad maximum contiguous blocks",
|
|
optarg);
|
|
break;
|
|
case 'b':
|
|
if ((bsize = atoi(optarg)) < MINBSIZE)
|
|
errx(1, "%s: block size too small, min is %d",
|
|
optarg, MINBSIZE);
|
|
if (bsize > MAXBSIZE)
|
|
errx(1, "%s: block size too large, max is %d",
|
|
optarg, MAXBSIZE);
|
|
break;
|
|
case 'c':
|
|
if ((maxblkspercg = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad blocks per cylinder group",
|
|
optarg);
|
|
break;
|
|
case 'd':
|
|
if ((maxbsize = atoi(optarg)) < MINBSIZE)
|
|
errx(1, "%s: bad extent block size", optarg);
|
|
break;
|
|
case 'e':
|
|
if ((maxbpg = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad blocks per file in a cylinder group",
|
|
optarg);
|
|
break;
|
|
case 'f':
|
|
if ((fsize = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad fragment size", optarg);
|
|
break;
|
|
case 'g':
|
|
if ((avgfilesize = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad average file size", optarg);
|
|
break;
|
|
case 'h':
|
|
if ((avgfilesperdir = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad average files per dir", optarg);
|
|
break;
|
|
case 'i':
|
|
if ((density = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad bytes per inode", optarg);
|
|
break;
|
|
case 'm':
|
|
if ((minfree = atoi(optarg)) < 0 || minfree > 99)
|
|
errx(1, "%s: bad free space %%", optarg);
|
|
break;
|
|
case 'o':
|
|
if (strcmp(optarg, "space") == 0)
|
|
opt = FS_OPTSPACE;
|
|
else if (strcmp(optarg, "time") == 0)
|
|
opt = FS_OPTTIME;
|
|
else
|
|
errx(1,
|
|
"%s: unknown optimization preference: use `space' or `time'",
|
|
optarg);
|
|
break;
|
|
case 's':
|
|
if ((fssize = atoi(optarg)) <= 0)
|
|
errx(1, "%s: bad file system size", optarg);
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 1)
|
|
usage();
|
|
|
|
special = argv[0];
|
|
cp = strrchr(special, '/');
|
|
if (cp == 0) {
|
|
/*
|
|
* No path prefix; try prefixing _PATH_DEV.
|
|
*/
|
|
snprintf(device, sizeof(device), "%s%s", _PATH_DEV, special);
|
|
special = device;
|
|
}
|
|
|
|
if (ufs_disk_fillout_blank(&disk, special) == -1 ||
|
|
(!Nflag && ufs_disk_write(&disk) == -1)) {
|
|
if (disk.d_error != NULL)
|
|
errx(1, "%s: %s", special, disk.d_error);
|
|
else
|
|
err(1, "%s", special);
|
|
}
|
|
if (fstat(disk.d_fd, &st) < 0)
|
|
err(1, "%s", special);
|
|
if ((st.st_mode & S_IFMT) != S_IFCHR)
|
|
errx(1, "%s: not a character-special device", special);
|
|
|
|
if (sectorsize == 0)
|
|
ioctl(disk.d_fd, DIOCGSECTORSIZE, §orsize);
|
|
if (sectorsize && !ioctl(disk.d_fd, DIOCGMEDIASIZE, &mediasize)) {
|
|
if (fssize == 0)
|
|
fssize = mediasize / sectorsize;
|
|
else if (fssize > mediasize / sectorsize)
|
|
errx(1, "%s: maximum file system size is %u",
|
|
special, (u_int)(mediasize / sectorsize));
|
|
}
|
|
pp = NULL;
|
|
lp = getdisklabel(special);
|
|
if (lp != NULL) {
|
|
cp = strchr(special, '\0');
|
|
cp--;
|
|
if ((*cp < 'a' || *cp > 'h') && !isdigit(*cp))
|
|
errx(1, "%s: can't figure out file system partition",
|
|
special);
|
|
if (isdigit(*cp))
|
|
pp = &lp->d_partitions[RAW_PART];
|
|
else
|
|
pp = &lp->d_partitions[*cp - 'a'];
|
|
oldpartition = *pp;
|
|
if (pp->p_size == 0)
|
|
errx(1, "%s: `%c' partition is unavailable",
|
|
special, *cp);
|
|
if (pp->p_fstype == FS_BOOT)
|
|
errx(1, "%s: `%c' partition overlaps boot program",
|
|
special, *cp);
|
|
if (fssize == 0)
|
|
fssize = pp->p_size;
|
|
if (fssize > pp->p_size)
|
|
errx(1,
|
|
"%s: maximum file system size %d", special, pp->p_size);
|
|
if (sectorsize == 0)
|
|
sectorsize = lp->d_secsize;
|
|
if (fsize == 0)
|
|
fsize = pp->p_fsize;
|
|
if (bsize == 0)
|
|
bsize = pp->p_frag * pp->p_fsize;
|
|
}
|
|
if (sectorsize <= 0)
|
|
errx(1, "%s: no default sector size", special);
|
|
if (fsize <= 0)
|
|
fsize = MAX(DFL_FRAGSIZE, sectorsize);
|
|
if (bsize <= 0)
|
|
bsize = MIN(DFL_BLKSIZE, 8 * fsize);
|
|
if (maxbsize == 0)
|
|
maxbsize = bsize;
|
|
/*
|
|
* Maxcontig sets the default for the maximum number of blocks
|
|
* that may be allocated sequentially. With file system clustering
|
|
* it is possible to allocate contiguous blocks up to the maximum
|
|
* transfer size permitted by the controller or buffering.
|
|
*/
|
|
if (maxcontig == 0)
|
|
maxcontig = MAX(1, MAXPHYS / bsize);
|
|
if (density == 0)
|
|
density = NFPI * fsize;
|
|
if (minfree < MINFREE && opt != FS_OPTSPACE) {
|
|
fprintf(stderr, "Warning: changing optimization to space ");
|
|
fprintf(stderr, "because minfree is less than %d%%\n", MINFREE);
|
|
opt = FS_OPTSPACE;
|
|
}
|
|
if (maxbpg == 0)
|
|
maxbpg = MAXBLKPG(bsize);
|
|
realsectorsize = sectorsize;
|
|
if (sectorsize != DEV_BSIZE) { /* XXX */
|
|
int secperblk = sectorsize / DEV_BSIZE;
|
|
|
|
sectorsize = DEV_BSIZE;
|
|
fssize *= secperblk;
|
|
if (pp != NULL)
|
|
pp->p_size *= secperblk;
|
|
}
|
|
mkfs(pp, special);
|
|
if (!unlabeled) {
|
|
if (realsectorsize != DEV_BSIZE)
|
|
pp->p_size /= realsectorsize / DEV_BSIZE;
|
|
if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition)))
|
|
rewritelabel(special, lp);
|
|
}
|
|
ufs_disk_close(&disk);
|
|
exit(0);
|
|
}
|
|
|
|
struct disklabel *
|
|
getdisklabel(char *s)
|
|
{
|
|
static struct disklabel lab;
|
|
struct disklabel *lp;
|
|
|
|
if (!ioctl(disk.d_fd, DIOCGDINFO, (char *)&lab))
|
|
return (&lab);
|
|
unlabeled++;
|
|
if (disktype) {
|
|
lp = getdiskbyname(disktype);
|
|
if (lp != NULL)
|
|
return (lp);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
void
|
|
rewritelabel(char *s, struct disklabel *lp)
|
|
{
|
|
if (unlabeled)
|
|
return;
|
|
lp->d_checksum = 0;
|
|
lp->d_checksum = dkcksum(lp);
|
|
if (ioctl(disk.d_fd, DIOCWDINFO, (char *)lp) < 0)
|
|
warn("ioctl (WDINFO): %s: can't rewrite disk label", s);
|
|
}
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
fprintf(stderr,
|
|
"usage: %s [ -fsoptions ] special-device%s\n",
|
|
getprogname(),
|
|
" [device-type]");
|
|
fprintf(stderr, "where fsoptions are:\n");
|
|
fprintf(stderr, "\t-L volume label to add to superblock\n");
|
|
fprintf(stderr,
|
|
"\t-N do not create file system, just print out parameters\n");
|
|
fprintf(stderr, "\t-O file system format: 1 => UFS1, 2 => UFS2\n");
|
|
fprintf(stderr, "\t-R regression test, supress random factors\n");
|
|
fprintf(stderr, "\t-S sector size\n");
|
|
fprintf(stderr, "\t-T disktype\n");
|
|
fprintf(stderr, "\t-U enable soft updates\n");
|
|
fprintf(stderr, "\t-a maximum contiguous blocks\n");
|
|
fprintf(stderr, "\t-b block size\n");
|
|
fprintf(stderr, "\t-c blocks per cylinders group\n");
|
|
fprintf(stderr, "\t-d maximum extent size\n");
|
|
fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n");
|
|
fprintf(stderr, "\t-f frag size\n");
|
|
fprintf(stderr, "\t-g average file size\n");
|
|
fprintf(stderr, "\t-h average files per directory\n");
|
|
fprintf(stderr, "\t-i number of bytes per inode\n");
|
|
fprintf(stderr, "\t-m minimum free space %%\n");
|
|
fprintf(stderr, "\t-o optimization preference (`space' or `time')\n");
|
|
fprintf(stderr, "\t-s file systemsize (sectors)\n");
|
|
exit(1);
|
|
}
|