diff options
Diffstat (limited to 'sbin/newlfs/newfs.c')
| -rw-r--r-- | sbin/newlfs/newfs.c | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/sbin/newlfs/newfs.c b/sbin/newlfs/newfs.c deleted file mode 100644 index 2515b356f0907..0000000000000 --- a/sbin/newlfs/newfs.c +++ /dev/null @@ -1,483 +0,0 @@ -/*- - * Copyright (c) 1989, 1992, 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. 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1989, 1992, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)newfs.c 8.3 (Berkeley) 4/22/94"; -#endif /* not lint */ - -/* - * newfs: friendly front end to mkfs - */ -#include <sys/param.h> -#include <sys/ucred.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <sys/disklabel.h> -#include <sys/file.h> -#include <sys/mount.h> - -#include <ufs/ufs/dir.h> -#include <ufs/ufs/dinode.h> - -#include <errno.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <ctype.h> -#include <string.h> -#include <paths.h> -#include "config.h" -#include "extern.h" - -#define COMPAT /* allow non-labeled disks */ - -int mfs; /* run as the memory based filesystem */ -int Nflag; /* run without writing file system */ -int fssize; /* file system size */ -int ntracks; /* # tracks/cylinder */ -int nsectors; /* # sectors/track */ -int nphyssectors; /* # sectors/track including spares */ -int secpercyl; /* sectors per cylinder */ -int trackspares = -1; /* spare sectors per track */ -int cylspares = -1; /* spare sectors per cylinder */ -int sectorsize; /* bytes/sector */ -#ifdef tahoe -int realsectorsize; /* bytes/sector in hardware */ -#endif -int rpm; /* revolutions/minute of drive */ -int interleave; /* hardware sector interleave */ -int trackskew = -1; /* sector 0 skew, per track */ -int headswitch; /* head switch time, usec */ -int trackseek; /* track-to-track seek, usec */ -int fsize = 0; /* fragment size */ -int bsize = 0; /* block size */ -int cpg = DESCPG; /* cylinders/cylinder group */ -int cpgflg; /* cylinders/cylinder group flag was given */ -int minfree = MINFREE; /* free space threshold */ -int opt = DEFAULTOPT; /* optimization preference (space or time) */ -int density; /* number of bytes per inode */ -int maxcontig = MAXCONTIG; /* max contiguous blocks to allocate */ -int rotdelay = ROTDELAY; /* rotational delay between blocks */ -int maxbpg; /* maximum blocks per file in a cyl group */ -int nrpos = NRPOS; /* # of distinguished rotational positions */ -int bbsize = BBSIZE; /* boot block size */ -int sbsize = SBSIZE; /* superblock size */ -int mntflags; /* flags to be passed to mount */ -u_long memleft; /* virtual memory available */ -caddr_t membase; /* start address of memory based filesystem */ -#ifdef COMPAT -char *disktype; -int unlabeled; -#endif - -char device[MAXPATHLEN]; -char *progname, *special; - -static struct disklabel *getdisklabel __P((char *, int)); -static struct disklabel *debug_readlabel __P((int)); -static void rewritelabel __P((char *, int, struct disklabel *)); -static void usage __P((void)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - register int ch; - register struct partition *pp; - register struct disklabel *lp; - struct partition oldpartition; - struct stat st; - int debug, lfs, fsi, fso, segsize; - char *cp, *opstring; - - if (progname = rindex(*argv, '/')) - ++progname; - else - progname = *argv; - - if (strstr(progname, "mfs")) { - mfs = 1; - Nflag++; - } - - /* -F is mfs only and MUST come first! */ - opstring = "F:B:DLNS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:"; - if (!mfs) - opstring += 2; - - debug = lfs = segsize = 0; - while ((ch = getopt(argc, argv, opstring)) != -1) - switch(ch) { - case 'B': /* LFS segment size */ - if ((segsize = atoi(optarg)) < LFS_MINSEGSIZE) - fatal("%s: bad segment size", optarg); - break; - case 'D': - debug = 1; - break; - case 'F': - if ((mntflags = atoi(optarg)) == 0) - fatal("%s: bad mount flags", optarg); - break; - case 'L': /* Create lfs */ - lfs = 1; - break; - case 'N': - Nflag++; - break; - case 'S': - if ((sectorsize = atoi(optarg)) <= 0) - fatal("%s: bad sector size", optarg); - break; -#ifdef COMPAT - case 'T': - disktype = optarg; - break; -#endif - case 'a': - if ((maxcontig = atoi(optarg)) <= 0) - fatal("%s: bad max contiguous blocks\n", - optarg); - break; - case 'b': /* used for LFS */ - if ((bsize = atoi(optarg)) < LFS_MINBLOCKSIZE) - fatal("%s: bad block size", optarg); - break; - case 'c': - if ((cpg = atoi(optarg)) <= 0) - fatal("%s: bad cylinders/group", optarg); - cpgflg++; - break; - case 'd': - if ((rotdelay = atoi(optarg)) < 0) - fatal("%s: bad rotational delay\n", optarg); - break; - case 'e': - if ((maxbpg = atoi(optarg)) <= 0) - fatal("%s: bad blocks per file in a cyl group\n", - optarg); - break; - case 'f': - if ((fsize = atoi(optarg)) <= 0) - fatal("%s: bad frag size", optarg); - break; - case 'i': - if ((density = atoi(optarg)) <= 0) - fatal("%s: bad bytes per inode\n", optarg); - break; - case 'k': - if ((trackskew = atoi(optarg)) < 0) - fatal("%s: bad track skew", optarg); - break; - case 'l': - if ((interleave = atoi(optarg)) <= 0) - fatal("%s: bad interleave", optarg); - break; - case 'm': /* used for LFS */ - if ((minfree = atoi(optarg)) < 0 || minfree > 99) - fatal("%s: bad free space %%\n", optarg); - break; - case 'n': - if ((nrpos = atoi(optarg)) <= 0) - fatal("%s: bad rotational layout count\n", - optarg); - break; - case 'o': - if (strcmp(optarg, "space") == 0) - opt = FS_OPTSPACE; - else if (strcmp(optarg, "time") == 0) - opt = FS_OPTTIME; - else - fatal("%s: bad optimization preference %s", - optarg, "(options are `space' or `time')"); - break; - case 'p': - if ((trackspares = atoi(optarg)) < 0) - fatal("%s: bad spare sectors per track", - optarg); - break; - case 'r': - if ((rpm = atoi(optarg)) <= 0) - fatal("%s: bad revs/minute\n", optarg); - break; - case 's': /* used for LFS */ - if ((fssize = atoi(optarg)) <= 0) - fatal("%s: bad file system size", optarg); - break; - case 't': - if ((ntracks = atoi(optarg)) <= 0) - fatal("%s: bad total tracks", optarg); - break; - case 'u': - if ((nsectors = atoi(optarg)) <= 0) - fatal("%s: bad sectors/track", optarg); - break; - case 'x': - if ((cylspares = atoi(optarg)) < 0) - fatal("%s: bad spare sectors per cylinder", - optarg); - break; - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - if (argc != 2 && (mfs || argc != 1)) - usage(); - - /* - * If the -N flag isn't specified, open the output file. If no path - * prefix, try /dev/r%s and then /dev/%s. - */ - special = argv[0]; - if (index(special, '/') == NULL) { - (void)sprintf(device, "%sr%s", _PATH_DEV, special); - if (stat(device, &st) == -1) - (void)sprintf(device, "%s%s", _PATH_DEV, special); - special = device; - } - if (!Nflag) { - fso = open(special, - (debug ? O_CREAT : 0) | O_WRONLY, DEFFILEMODE); - if (fso < 0) - fatal("%s: %s", special, strerror(errno)); - } else - fso = -1; - - /* Open the input file. */ - fsi = open(special, O_RDONLY); - if (fsi < 0) - fatal("%s: %s", special, strerror(errno)); - if (fstat(fsi, &st) < 0) - fatal("%s: %s", special, strerror(errno)); - - if (!debug && !mfs && !S_ISCHR(st.st_mode)) - (void)printf("%s: %s: not a character-special device\n", - progname, special); - cp = index(argv[0], '\0') - 1; - if (!debug && (cp == 0 || (*cp < 'a' || *cp > 'h') && !isdigit(*cp))) - fatal("%s: can't figure out file system partition", argv[0]); - -#ifdef COMPAT - if (!mfs && disktype == NULL) - disktype = argv[1]; -#endif - if (debug) - lp = debug_readlabel(fsi); - else - lp = getdisklabel(special, fsi); - - if (isdigit(*cp)) - pp = &lp->d_partitions[0]; - else - pp = &lp->d_partitions[*cp - 'a']; - if (pp->p_size == 0) - fatal("%s: `%c' partition is unavailable", argv[0], *cp); - if (fsize == 0) { - fsize = pp->p_fsize; - if (fsize <= 0) - fsize = MAX(DFL_FRAGSIZE, lp->d_secsize); - } - - if (bsize == 0) { - bsize = pp->p_frag * fsize; - if (bsize <= 0) - bsize = MIN(DFL_LFSBLOCK, 8 * fsize); - } - - if (segsize == 0) { - segsize = pp->p_cpg * bsize; - if (segsize <= 0) - segsize = DFL_LFSSEG; - } - - /* If we're making a LFS, we break out here */ - exit(make_lfs(fso, lp, pp, minfree, bsize, segsize)); -} - -#ifdef COMPAT -char lmsg[] = "%s: can't read disk label; disk type must be specified"; -#else -char lmsg[] = "%s: can't read disk label"; -#endif - -static struct disklabel * -getdisklabel(s, fd) - char *s; - int fd; -{ - static struct disklabel lab; - - if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) { -#ifdef COMPAT - if (disktype) { - struct disklabel *lp, *getdiskbyname(); - - unlabeled++; - lp = getdiskbyname(disktype); - if (lp == NULL) - fatal("%s: unknown disk type", disktype); - return (lp); - } -#endif - (void)fprintf(stderr, - "%s: ioctl (GDINFO): %s\n", progname, strerror(errno)); - fatal(lmsg, s); - } - return (&lab); -} - - -static struct disklabel * -debug_readlabel(fd) - int fd; -{ - static struct disklabel lab; - int n; - - if ((n = read(fd, &lab, sizeof(struct disklabel))) < 0) - fatal("unable to read disk label: %s", strerror(errno)); - else if (n < sizeof(struct disklabel)) - fatal("short read of disklabel: %d of %d bytes", n, - sizeof(struct disklabel)); - return(&lab); -} - -static void -rewritelabel(s, fd, lp) - char *s; - int fd; - register struct disklabel *lp; -{ -#ifdef COMPAT - if (unlabeled) - return; -#endif - lp->d_checksum = 0; - lp->d_checksum = dkcksum(lp); - if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) { - (void)fprintf(stderr, - "%s: ioctl (WDINFO): %s\n", progname, strerror(errno)); - fatal("%s: can't rewrite disk label", s); - } -#if vax - if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) { - register i; - int cfd; - daddr_t alt; - char specname[64]; - char blk[1024]; - char *cp; - - /* - * Make name for 'c' partition. - */ - strcpy(specname, s); - cp = specname + strlen(specname) - 1; - if (!isdigit(*cp)) - *cp = 'c'; - cfd = open(specname, O_WRONLY); - if (cfd < 0) - fatal("%s: %s", specname, strerror(errno)); - bzero(blk, sizeof(blk)); - *(struct disklabel *)(blk + LABELOFFSET) = *lp; - alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors; - for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) { - if (lseek(cfd, (off_t)(alt + i) * lp->d_secsize, - L_SET) == -1) - fatal("lseek to badsector area: %s", - strerror(errno)); - if (write(cfd, blk, lp->d_secsize) < lp->d_secsize) - fprintf(stderr, - "%s: alternate label %d write: %s\n", - progname, i/2, strerror(errno)); - } - close(cfd); - } -#endif -} - -void -usage() -{ - if (mfs) { - fprintf(stderr, - "usage: mfs [ -fsoptions ] special-device mount-point\n"); - } else - fprintf(stderr, - "usage: newlfs [ -fsoptions ] special-device%s\n", -#ifdef COMPAT - " [device-type]"); -#else - ""); -#endif - fprintf(stderr, "where fsoptions are:\n"); - fprintf(stderr, "\t-B LFS segment size\n"); - fprintf(stderr, "\t-D debug\n"); - fprintf(stderr, "\t-F mount flags\n"); - fprintf(stderr, "\t-L create LFS file system\n"); - fprintf(stderr, - "\t-N do not create file system, just print out parameters\n"); - fprintf(stderr, "\t-S sector size\n"); -#ifdef COMPAT - fprintf(stderr, "\t-T disktype\n"); -#endif - fprintf(stderr, "\t-a maximum contiguous blocks\n"); - fprintf(stderr, "\t-b block size\n"); - fprintf(stderr, "\t-c cylinders/group\n"); - fprintf(stderr, "\t-d rotational delay between contiguous blocks\n"); - fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n"); - fprintf(stderr, "\t-f frag size\n"); - fprintf(stderr, "\t-i number of bytes per inode\n"); - fprintf(stderr, "\t-k sector 0 skew, per track\n"); - fprintf(stderr, "\t-l hardware sector interleave\n"); - fprintf(stderr, "\t-m minimum free space %%\n"); - fprintf(stderr, "\t-n number of distinguished rotational positions\n"); - fprintf(stderr, "\t-o optimization preference (`space' or `time')\n"); - fprintf(stderr, "\t-p spare sectors per track\n"); - fprintf(stderr, "\t-r revolutions/minute\n"); - fprintf(stderr, "\t-s file system size (sectors)\n"); - fprintf(stderr, "\t-t tracks/cylinder\n"); - fprintf(stderr, "\t-u sectors/track\n"); - fprintf(stderr, "\t-x spare sectors per cylinder\n"); - exit(1); -} |
