diff options
Diffstat (limited to 'ufs-utils/newfs.c')
| -rw-r--r-- | ufs-utils/newfs.c | 705 |
1 files changed, 0 insertions, 705 deletions
diff --git a/ufs-utils/newfs.c b/ufs-utils/newfs.c deleted file mode 100644 index efc7dbea..00000000 --- a/ufs-utils/newfs.c +++ /dev/null @@ -1,705 +0,0 @@ -/* - * 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. - */ - -#ifndef lint -static 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[] = "from: @(#)newfs.c 8.8 (Berkeley) 4/18/94";*/ -static char *rcsid = "$Id: newfs.c,v 1.2 1994/09/09 14:11:41 mib Exp $"; -#endif /* not lint */ - -/* - * newfs: friendly front end to mkfs - */ -#include <sys/param.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -/* #include <sys/disklabel.h> */ -#include <sys/file.h> -/* #include <sys/mount.h> */ - -#include "../ufs/dir.h" -#include "../ufs/fs.h" - -#include <ctype.h> -#include <errno.h> -#include <paths.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> - -#if __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -/* #include "mntopts.h" */ - -/* GNU Hurd additions */ -#define MAXPATHLEN 2048 - -/* End GNU Hurd additions */ - - -#if 0 -struct mntopt mopts[] = { - MOPT_STDOPTS, - MOPT_ASYNC, - { NULL }, -}; -#endif - -#if __STDC__ -void fatal(const char *fmt, ...); -#else -void fatal(); -#endif - -#define COMPAT /* allow non-labeled disks */ - -/* - * 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 1024 -#define DFL_BLKSIZE 8192 - -/* - * Cylinder groups may have up to many cylinders. The actual - * number used depends upon how much information can be stored - * on a single cylinder. The default is to use 16 cylinders - * per group. - */ -#define DESCPG 16 /* desired fs_cpg */ - -/* - * ROTDELAY gives the minimum number of milliseconds to initiate - * another disk transfer on the same cylinder. It is used in - * determining the rotationally optimal layout for disk blocks - * within a file; the default of fs_rotdelay is 4ms. - */ -#define ROTDELAY 4 - -/* - * 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(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 - -/* - * For each cylinder we keep track of the availability of blocks at different - * rotational positions, so that we can lay out the data to be picked - * up with minimum rotational latency. NRPOS is the default number of - * rotational positions that we distinguish. With NRPOS of 8 the resolution - * of our summary information is 2ms for a typical 3600 rpm drive. - */ -#define NRPOS 8 /* number distinct rotational positions */ - - -int mfs; /* run as the memory based filesystem */ -int Nflag; /* run without writing file system */ -int Oflag; /* format as an 4.3BSD 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 = 0; /* 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 = MNT_ASYNC;*/ /* 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; - -int -main(argc, argv) - int argc; - char *argv[]; -{ - extern char *optarg; - extern int optind; - register int ch; - register struct partition *pp; - register struct disklabel *lp; - struct disklabel *getdisklabel(); -/* struct partition oldpartition; */ - struct stat st; - struct statfs *mp; - int fsi, fso, len, n; - char *cp, *s1, *s2, *special, *opstring, buf[BUFSIZ]; - - if (progname = rindex(*argv, '/')) - ++progname; - else - progname = *argv; - -#if 0 - if (strstr(progname, "mfs")) { - mfs = 1; - Nflag++; - } -#endif - - opstring = mfs ? - "NT:a:b:c:d:e:f:i:m:o:s:" : - "NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:"; - while ((ch = getopt(argc, argv, opstring)) != EOF) - switch (ch) { - case 'N': - Nflag = 1; - break; - case 'O': - Oflag = 1; - 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 maximum contiguous blocks\n", - optarg); - break; - case 'b': - if ((bsize = atoi(optarg)) < MINBSIZE) - 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 cylinder group\n", - optarg); - break; - case 'f': - if ((fsize = atoi(optarg)) <= 0) - fatal("%s: bad fragment 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': - 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 0 - if (mfs) - getmntopts(optarg, mopts, &mntflags); - else -#endif - { - if (strcmp(optarg, "space") == 0) - opt = FS_OPTSPACE; - else if (strcmp(optarg, "time") == 0) - opt = FS_OPTTIME; - else - fatal("%s: unknown optimization preference: use `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 revolutions/minute\n", optarg); - break; - case 's': - 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(); - - special = argv[0]; - cp = rindex(special, '/'); - if (cp == 0) { - /* - * No path prefix; try /dev/r%s then /dev/%s. - */ - (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 = -1; - } else { - fso = open(special, O_WRONLY); - if (fso < 0) - fatal("%s: %s", special, strerror(errno)); - -#if 0 - /* Bail if target special is mounted */ - n = getmntinfo(&mp, MNT_NOWAIT); - if (n == 0) - fatal("%s: getmntinfo: %s", special, strerror(errno)); - - len = sizeof(_PATH_DEV) - 1; - s1 = special; - if (strncmp(_PATH_DEV, s1, len) == 0) - s1 += len; - - while (--n >= 0) { - s2 = mp->f_mntfromname; - if (strncmp(_PATH_DEV, s2, len) == 0) { - s2 += len - 1; - *s2 = 'r'; - } - if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) - fatal("%s is mounted on %s", - special, mp->f_mntonname); - ++mp; - } -#endif - } -#if 0 - if (mfs && disktype != NULL) { - lp = (struct disklabel *)getdiskbyname(disktype); - if (lp == NULL) - fatal("%s: unknown disk type", disktype); - pp = &lp->d_partitions[1]; - } else { - 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 ((st.st_mode & S_IFMT) != S_IFCHR && !mfs) - printf("%s: %s: not a character-special device\n", - progname, special); - cp = index(argv[0], '\0') - 1; - if (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 - 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 (pp->p_fstype == FS_BOOT) - fatal("%s: `%c' partition overlaps boot program", - argv[0], *cp); - } -#endif - /* GNU Hurd specific here */ - 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)); - fssize = st.st_size; - /* End GNU Hurd specific */ - - if (fssize == 0) - fssize = pp->p_size; - if (fssize > pp->p_size && !mfs) - fatal("%s: maximum file system size on the `%c' partition is %d", - argv[0], *cp, pp->p_size); - if (rpm == 0) { - rpm = lp->d_rpm; - if (rpm <= 0) - rpm = 3600; - } - if (ntracks == 0) { - ntracks = lp->d_ntracks; - if (ntracks <= 0) - fatal("%s: no default #tracks", argv[0]); - } - if (nsectors == 0) { - nsectors = lp->d_nsectors; - if (nsectors <= 0) - fatal("%s: no default #sectors/track", argv[0]); - } - if (sectorsize == 0) { - sectorsize = lp->d_secsize; - if (sectorsize <= 0) - fatal("%s: no default sector size", argv[0]); - } - if (trackskew == -1) { - trackskew = lp->d_trackskew; - if (trackskew < 0) - trackskew = 0; - } - if (interleave == 0) { - interleave = lp->d_interleave; - if (interleave <= 0) - interleave = 1; - } - if (fsize == 0) { - fsize = pp->p_fsize; - if (fsize <= 0) - fsize = MAX(DFL_FRAGSIZE, lp->d_secsize); - } - if (bsize == 0) { - bsize = pp->p_frag * pp->p_fsize; - if (bsize <= 0) - bsize = MIN(DFL_BLKSIZE, 8 * fsize); - } - /* - * Maxcontig sets the default for the maximum number of blocks - * that may be allocated sequentially. With filesystem 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, MIN(MAXPHYS, MAXBSIZE) / bsize - 1); - 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 (trackspares == -1) { - trackspares = lp->d_sparespertrack; - if (trackspares < 0) - trackspares = 0; - } - nphyssectors = nsectors + trackspares; - if (cylspares == -1) { - cylspares = lp->d_sparespercyl; - if (cylspares < 0) - cylspares = 0; - } - secpercyl = nsectors * ntracks - cylspares; - if (secpercyl != lp->d_secpercyl) - fprintf(stderr, "%s (%d) %s (%lu)\n", - "Warning: calculated sectors per cylinder", secpercyl, - "disagrees with disk label", lp->d_secpercyl); - if (maxbpg == 0) - maxbpg = MAXBLKPG(bsize); - headswitch = lp->d_headswitch; - trackseek = lp->d_trkseek; -#ifdef notdef /* label may be 0 if faked up by kernel */ - bbsize = lp->d_bbsize; - sbsize = lp->d_sbsize; -#endif - oldpartition = *pp; -#ifdef tahoe - realsectorsize = sectorsize; - if (sectorsize != DEV_BSIZE) { /* XXX */ - int secperblk = DEV_BSIZE / sectorsize; - - sectorsize = DEV_BSIZE; - nsectors /= secperblk; - nphyssectors /= secperblk; - secpercyl /= secperblk; - fssize /= secperblk; - pp->p_size /= secperblk; - } -#endif - mkfs(pp, special, fsi, fso); -#ifdef tahoe - if (realsectorsize != DEV_BSIZE) - pp->p_size *= DEV_BSIZE / realsectorsize; -#endif - if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition))) - rewritelabel(special, fso, lp); - if (!Nflag) - close(fso); - close(fsi); -#ifdef MFS - if (mfs) { - struct mfs_args args; - - sprintf(buf, "mfs:%d", getpid()); - args.fspec = buf; - args.export.ex_root = -2; - if (mntflags & MNT_RDONLY) - args.export.ex_flags = MNT_EXRDONLY; - else - args.export.ex_flags = 0; - args.base = membase; - args.size = fssize * sectorsize; - if (mount(MOUNT_MFS, argv[1], mntflags, &args) < 0) - fatal("%s: %s", argv[1], strerror(errno)); - } -#endif - exit(0); -} - -#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 - -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 - warn("ioctl (GDINFO)"); - fatal(lmsg, s); - } - return (&lab); -} - -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) { - warn("ioctl (WDINFO)"); - 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) - warn("alternate label %d write", i/2); - } - close(cfd); - } -#endif -} - -/*VARARGS*/ -void -#if __STDC__ -fatal(const char *fmt, ...) -#else -fatal(fmt, va_alist) - char *fmt; - va_dcl -#endif -{ - va_list ap; - -#if __STDC__ - va_start(ap, fmt); -#else - va_start(ap); -#endif - if (fcntl(STDERR_FILENO, F_GETFL) < 0) { - openlog(progname, LOG_CONS, LOG_DAEMON); - vsyslog(LOG_ERR, fmt, ap); - closelog(); - } else { - vwarnx(fmt, ap); - } - va_end(ap); - exit(1); - /*NOTREACHED*/ -} - -usage() -{ - if (mfs) { - fprintf(stderr, - "usage: %s [ -fsoptions ] special-device mount-point\n", - progname); - } else - fprintf(stderr, - "usage: %s [ -fsoptions ] special-device%s\n", - progname, -#ifdef COMPAT - " [device-type]"); -#else - ""); -#endif - fprintf(stderr, "where fsoptions are:\n"); - fprintf(stderr, - "\t-N do not create file system, just print out parameters\n"); - fprintf(stderr, "\t-O create a 4.3BSD format filesystem\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-s file system size (sectors)\n"); - fprintf(stderr, "\t-r revolutions/minute\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); -} |