1 /* 2 * Copyright (c) 1983, 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1983, 1989, 1993, 1994\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)newfs.c 8.8 (Berkeley) 4/18/94";*/ 42 static char *rcsid = "$Id: newfs.c,v 1.14 1994/12/18 05:09:44 cgd Exp $"; 43 #endif /* not lint */ 44 45 /* 46 * newfs: friendly front end to mkfs 47 */ 48 #include <sys/param.h> 49 #include <sys/stat.h> 50 #include <sys/ioctl.h> 51 #include <sys/disklabel.h> 52 #include <sys/file.h> 53 #include <sys/mount.h> 54 55 #include <ufs/ufs/dir.h> 56 #include <ufs/ffs/fs.h> 57 58 #include <ctype.h> 59 #include <errno.h> 60 #include <paths.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <string.h> 64 #include <syslog.h> 65 #include <unistd.h> 66 67 #if __STDC__ 68 #include <stdarg.h> 69 #else 70 #include <varargs.h> 71 #endif 72 73 #include "mntopts.h" 74 75 struct mntopt mopts[] = { 76 MOPT_STDOPTS, 77 MOPT_ASYNC, 78 { NULL }, 79 }; 80 81 #if __STDC__ 82 void fatal(const char *fmt, ...); 83 #else 84 void fatal(); 85 #endif 86 87 #define COMPAT /* allow non-labeled disks */ 88 89 /* 90 * The following two constants set the default block and fragment sizes. 91 * Both constants must be a power of 2 and meet the following constraints: 92 * MINBSIZE <= DESBLKSIZE <= MAXBSIZE 93 * sectorsize <= DESFRAGSIZE <= DESBLKSIZE 94 * DESBLKSIZE / DESFRAGSIZE <= 8 95 */ 96 #define DFL_FRAGSIZE 1024 97 #define DFL_BLKSIZE 8192 98 99 /* 100 * Cylinder groups may have up to many cylinders. The actual 101 * number used depends upon how much information can be stored 102 * on a single cylinder. The default is to use 16 cylinders 103 * per group. 104 */ 105 #define DESCPG 16 /* desired fs_cpg */ 106 107 /* 108 * ROTDELAY gives the minimum number of milliseconds to initiate 109 * another disk transfer on the same cylinder. It is used in 110 * determining the rotationally optimal layout for disk blocks 111 * within a file; the default of fs_rotdelay is 0ms. 112 */ 113 #define ROTDELAY 0 114 115 /* 116 * MAXBLKPG determines the maximum number of data blocks which are 117 * placed in a single cylinder group. The default is one indirect 118 * block worth of data blocks. 119 */ 120 #define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t)) 121 122 /* 123 * Each file system has a number of inodes statically allocated. 124 * We allocate one inode slot per NFPI fragments, expecting this 125 * to be far more than we will ever need. 126 */ 127 #define NFPI 4 128 129 /* 130 * For each cylinder we keep track of the availability of blocks at different 131 * rotational positions, so that we can lay out the data to be picked 132 * up with minimum rotational latency. NRPOS is the default number of 133 * rotational positions that we distinguish. With NRPOS of 8 the resolution 134 * of our summary information is 2ms for a typical 3600 rpm drive. Caching 135 * and zoning pretty much defeats rotational optimization, so we now use a 136 * default of 1. 137 */ 138 #define NRPOS 1 /* number distinct rotational positions */ 139 140 141 int mfs; /* run as the memory based filesystem */ 142 int Nflag; /* run without writing file system */ 143 int Oflag; /* format as an 4.3BSD file system */ 144 int fssize; /* file system size */ 145 int ntracks; /* # tracks/cylinder */ 146 int nsectors; /* # sectors/track */ 147 int nphyssectors; /* # sectors/track including spares */ 148 int secpercyl; /* sectors per cylinder */ 149 int trackspares = -1; /* spare sectors per track */ 150 int cylspares = -1; /* spare sectors per cylinder */ 151 int sectorsize; /* bytes/sector */ 152 #ifdef tahoe 153 int realsectorsize; /* bytes/sector in hardware */ 154 #endif 155 int rpm; /* revolutions/minute of drive */ 156 int interleave; /* hardware sector interleave */ 157 int trackskew = -1; /* sector 0 skew, per track */ 158 int headswitch; /* head switch time, usec */ 159 int trackseek; /* track-to-track seek, usec */ 160 int fsize = 0; /* fragment size */ 161 int bsize = 0; /* block size */ 162 int cpg = DESCPG; /* cylinders/cylinder group */ 163 int cpgflg; /* cylinders/cylinder group flag was given */ 164 int minfree = MINFREE; /* free space threshold */ 165 int opt = DEFAULTOPT; /* optimization preference (space or time) */ 166 int density; /* number of bytes per inode */ 167 int maxcontig = 8; /* max contiguous blocks to allocate */ 168 int rotdelay = ROTDELAY; /* rotational delay between blocks */ 169 int maxbpg; /* maximum blocks per file in a cyl group */ 170 int nrpos = NRPOS; /* # of distinguished rotational positions */ 171 int bbsize = BBSIZE; /* boot block size */ 172 int sbsize = SBSIZE; /* superblock size */ 173 int mntflags = MNT_ASYNC; /* flags to be passed to mount */ 174 u_long memleft; /* virtual memory available */ 175 caddr_t membase; /* start address of memory based filesystem */ 176 #ifdef COMPAT 177 char *disktype; 178 int unlabeled; 179 #endif 180 181 char device[MAXPATHLEN]; 182 char *progname; 183 184 int 185 main(argc, argv) 186 int argc; 187 char *argv[]; 188 { 189 extern char *optarg; 190 extern int optind; 191 register int ch; 192 register struct partition *pp; 193 register struct disklabel *lp; 194 struct disklabel mfsfakelabel; 195 struct disklabel *getdisklabel(); 196 struct partition oldpartition; 197 struct stat st; 198 struct statfs *mp; 199 int fsi, fso, len, n; 200 char *cp, *s1, *s2, *special, *opstring, buf[BUFSIZ]; 201 202 if (progname = strrchr(*argv, '/')) 203 ++progname; 204 else 205 progname = *argv; 206 207 if (strstr(progname, "mfs")) { 208 mfs = 1; 209 Nflag++; 210 } 211 212 opstring = mfs ? 213 "NT:a:b:c:d:e:f:i:m:o:s:" : 214 "NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:"; 215 while ((ch = getopt(argc, argv, opstring)) != EOF) 216 switch (ch) { 217 case 'N': 218 Nflag = 1; 219 break; 220 case 'O': 221 Oflag = 1; 222 break; 223 case 'S': 224 if ((sectorsize = atoi(optarg)) <= 0) 225 fatal("%s: bad sector size", optarg); 226 break; 227 #ifdef COMPAT 228 case 'T': 229 disktype = optarg; 230 break; 231 #endif 232 case 'a': 233 if ((maxcontig = atoi(optarg)) <= 0) 234 fatal("%s: bad maximum contiguous blocks\n", 235 optarg); 236 break; 237 case 'b': 238 if ((bsize = atoi(optarg)) < MINBSIZE) 239 fatal("%s: bad block size", optarg); 240 break; 241 case 'c': 242 if ((cpg = atoi(optarg)) <= 0) 243 fatal("%s: bad cylinders/group", optarg); 244 cpgflg++; 245 break; 246 case 'd': 247 if ((rotdelay = atoi(optarg)) < 0) 248 fatal("%s: bad rotational delay\n", optarg); 249 break; 250 case 'e': 251 if ((maxbpg = atoi(optarg)) <= 0) 252 fatal("%s: bad blocks per file in a cylinder group\n", 253 optarg); 254 break; 255 case 'f': 256 if ((fsize = atoi(optarg)) <= 0) 257 fatal("%s: bad fragment size", optarg); 258 break; 259 case 'i': 260 if ((density = atoi(optarg)) <= 0) 261 fatal("%s: bad bytes per inode\n", optarg); 262 break; 263 case 'k': 264 if ((trackskew = atoi(optarg)) < 0) 265 fatal("%s: bad track skew", optarg); 266 break; 267 case 'l': 268 if ((interleave = atoi(optarg)) <= 0) 269 fatal("%s: bad interleave", optarg); 270 break; 271 case 'm': 272 if ((minfree = atoi(optarg)) < 0 || minfree > 99) 273 fatal("%s: bad free space %%\n", optarg); 274 break; 275 case 'n': 276 if ((nrpos = atoi(optarg)) <= 0) 277 fatal("%s: bad rotational layout count\n", 278 optarg); 279 break; 280 case 'o': 281 if (mfs) 282 getmntopts(optarg, mopts, &mntflags); 283 else { 284 if (strcmp(optarg, "space") == 0) 285 opt = FS_OPTSPACE; 286 else if (strcmp(optarg, "time") == 0) 287 opt = FS_OPTTIME; 288 else 289 fatal("%s: unknown optimization preference: use `space' or `time'."); 290 } 291 break; 292 case 'p': 293 if ((trackspares = atoi(optarg)) < 0) 294 fatal("%s: bad spare sectors per track", 295 optarg); 296 break; 297 case 'r': 298 if ((rpm = atoi(optarg)) <= 0) 299 fatal("%s: bad revolutions/minute\n", optarg); 300 break; 301 case 's': 302 if ((fssize = atoi(optarg)) <= 0) 303 fatal("%s: bad file system size", optarg); 304 break; 305 case 't': 306 if ((ntracks = atoi(optarg)) <= 0) 307 fatal("%s: bad total tracks", optarg); 308 break; 309 case 'u': 310 if ((nsectors = atoi(optarg)) <= 0) 311 fatal("%s: bad sectors/track", optarg); 312 break; 313 case 'x': 314 if ((cylspares = atoi(optarg)) < 0) 315 fatal("%s: bad spare sectors per cylinder", 316 optarg); 317 break; 318 case '?': 319 default: 320 usage(); 321 } 322 argc -= optind; 323 argv += optind; 324 325 if (argc != 2 && (mfs || argc != 1)) 326 usage(); 327 328 special = argv[0]; 329 if (mfs && !strcmp(special, "swap")) { 330 /* 331 * it's an MFS, mounted on "swap." fake up a label. 332 * XXX XXX XXX 333 */ 334 fso = -1; /* XXX; normally done below. */ 335 336 memset(&mfsfakelabel, 0, sizeof(mfsfakelabel)); 337 mfsfakelabel.d_secsize = 512; 338 mfsfakelabel.d_nsectors = 64; 339 mfsfakelabel.d_ntracks = 16; 340 mfsfakelabel.d_ncylinders = 16; 341 mfsfakelabel.d_secpercyl = 1024; 342 mfsfakelabel.d_secperunit = 16384; 343 mfsfakelabel.d_rpm = 3600; 344 mfsfakelabel.d_interleave = 1; 345 mfsfakelabel.d_npartitions = 1; 346 mfsfakelabel.d_partitions[0].p_size = 16384; 347 mfsfakelabel.d_partitions[0].p_fsize = 1024; 348 mfsfakelabel.d_partitions[0].p_frag = 8; 349 mfsfakelabel.d_partitions[0].p_cpg = 16; 350 351 lp = &mfsfakelabel; 352 pp = &mfsfakelabel.d_partitions[0]; 353 354 goto havelabel; 355 } 356 cp = strrchr(special, '/'); 357 if (cp == 0) { 358 /* 359 * No path prefix; try /dev/r%s then /dev/%s. 360 */ 361 (void)sprintf(device, "%sr%s", _PATH_DEV, special); 362 if (stat(device, &st) == -1) 363 (void)sprintf(device, "%s%s", _PATH_DEV, special); 364 special = device; 365 } 366 if (Nflag) { 367 fso = -1; 368 } else { 369 fso = open(special, O_WRONLY); 370 if (fso < 0) 371 fatal("%s: %s", special, strerror(errno)); 372 373 /* Bail if target special is mounted */ 374 n = getmntinfo(&mp, MNT_NOWAIT); 375 if (n == 0) 376 fatal("%s: getmntinfo: %s", special, strerror(errno)); 377 378 len = sizeof(_PATH_DEV) - 1; 379 s1 = special; 380 if (strncmp(_PATH_DEV, s1, len) == 0) 381 s1 += len; 382 383 while (--n >= 0) { 384 s2 = mp->f_mntfromname; 385 if (strncmp(_PATH_DEV, s2, len) == 0) { 386 s2 += len - 1; 387 *s2 = 'r'; 388 } 389 if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) 390 fatal("%s is mounted on %s", 391 special, mp->f_mntonname); 392 ++mp; 393 } 394 } 395 if (mfs && disktype != NULL) { 396 lp = (struct disklabel *)getdiskbyname(disktype); 397 if (lp == NULL) 398 fatal("%s: unknown disk type", disktype); 399 pp = &lp->d_partitions[1]; 400 } else { 401 fsi = open(special, O_RDONLY); 402 if (fsi < 0) 403 fatal("%s: %s", special, strerror(errno)); 404 if (fstat(fsi, &st) < 0) 405 fatal("%s: %s", special, strerror(errno)); 406 if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs) 407 printf("%s: %s: not a character-special device\n", 408 progname, special); 409 cp = strchr(argv[0], '\0') - 1; 410 if (cp == 0 || (*cp < 'a' || *cp > 'h') && !isdigit(*cp)) 411 fatal("%s: can't figure out file system partition", 412 argv[0]); 413 #ifdef COMPAT 414 if (!mfs && disktype == NULL) 415 disktype = argv[1]; 416 #endif 417 lp = getdisklabel(special, fsi); 418 if (isdigit(*cp)) 419 pp = &lp->d_partitions[0]; 420 else 421 pp = &lp->d_partitions[*cp - 'a']; 422 if (pp->p_size == 0) 423 fatal("%s: `%c' partition is unavailable", 424 argv[0], *cp); 425 if (pp->p_fstype == FS_BOOT) 426 fatal("%s: `%c' partition overlaps boot program", 427 argv[0], *cp); 428 } 429 havelabel: 430 if (fssize == 0) 431 fssize = pp->p_size; 432 if (fssize > pp->p_size && !mfs) 433 fatal("%s: maximum file system size on the `%c' partition is %d", 434 argv[0], *cp, pp->p_size); 435 if (rpm == 0) { 436 rpm = lp->d_rpm; 437 if (rpm <= 0) 438 rpm = 3600; 439 } 440 if (ntracks == 0) { 441 ntracks = lp->d_ntracks; 442 if (ntracks <= 0) 443 fatal("%s: no default #tracks", argv[0]); 444 } 445 if (nsectors == 0) { 446 nsectors = lp->d_nsectors; 447 if (nsectors <= 0) 448 fatal("%s: no default #sectors/track", argv[0]); 449 } 450 if (sectorsize == 0) { 451 sectorsize = lp->d_secsize; 452 if (sectorsize <= 0) 453 fatal("%s: no default sector size", argv[0]); 454 } 455 if (trackskew == -1) { 456 trackskew = lp->d_trackskew; 457 if (trackskew < 0) 458 trackskew = 0; 459 } 460 if (interleave == 0) { 461 interleave = lp->d_interleave; 462 if (interleave <= 0) 463 interleave = 1; 464 } 465 if (fsize == 0) { 466 fsize = pp->p_fsize; 467 if (fsize <= 0) 468 fsize = MAX(DFL_FRAGSIZE, lp->d_secsize); 469 } 470 if (bsize == 0) { 471 bsize = pp->p_frag * pp->p_fsize; 472 if (bsize <= 0) 473 bsize = MIN(DFL_BLKSIZE, 8 * fsize); 474 } 475 /* 476 * Maxcontig sets the default for the maximum number of blocks 477 * that may be allocated sequentially. With filesystem clustering 478 * it is possible to allocate contiguous blocks up to the maximum 479 * transfer size permitted by the controller or buffering. 480 */ 481 if (maxcontig == 0) 482 maxcontig = MAX(1, MIN(MAXPHYS, MAXBSIZE) / bsize - 1); 483 if (density == 0) 484 density = NFPI * fsize; 485 if (minfree < MINFREE && opt != FS_OPTSPACE) { 486 fprintf(stderr, "Warning: changing optimization to space "); 487 fprintf(stderr, "because minfree is less than %d%%\n", MINFREE); 488 opt = FS_OPTSPACE; 489 } 490 if (trackspares == -1) { 491 trackspares = lp->d_sparespertrack; 492 if (trackspares < 0) 493 trackspares = 0; 494 } 495 nphyssectors = nsectors + trackspares; 496 if (cylspares == -1) { 497 cylspares = lp->d_sparespercyl; 498 if (cylspares < 0) 499 cylspares = 0; 500 } 501 secpercyl = nsectors * ntracks - cylspares; 502 if (secpercyl != lp->d_secpercyl) 503 fprintf(stderr, "%s (%d) %s (%lu)\n", 504 "Warning: calculated sectors per cylinder", secpercyl, 505 "disagrees with disk label", lp->d_secpercyl); 506 if (maxbpg == 0) 507 maxbpg = MAXBLKPG(bsize); 508 headswitch = lp->d_headswitch; 509 trackseek = lp->d_trkseek; 510 #ifdef notdef /* label may be 0 if faked up by kernel */ 511 bbsize = lp->d_bbsize; 512 sbsize = lp->d_sbsize; 513 #endif 514 oldpartition = *pp; 515 #ifdef tahoe 516 realsectorsize = sectorsize; 517 if (sectorsize != DEV_BSIZE) { /* XXX */ 518 int secperblk = DEV_BSIZE / sectorsize; 519 520 sectorsize = DEV_BSIZE; 521 nsectors /= secperblk; 522 nphyssectors /= secperblk; 523 secpercyl /= secperblk; 524 fssize /= secperblk; 525 pp->p_size /= secperblk; 526 } 527 #endif 528 mkfs(pp, special, fsi, fso); 529 #ifdef tahoe 530 if (realsectorsize != DEV_BSIZE) 531 pp->p_size *= DEV_BSIZE / realsectorsize; 532 #endif 533 if (!Nflag && memcmp(pp, &oldpartition, sizeof(oldpartition))) 534 rewritelabel(special, fso, lp); 535 if (!Nflag) 536 close(fso); 537 close(fsi); 538 #ifdef MFS 539 if (mfs) { 540 struct mfs_args args; 541 542 sprintf(buf, "mfs:%d", getpid()); 543 args.fspec = buf; 544 args.export.ex_root = -2; 545 if (mntflags & MNT_RDONLY) 546 args.export.ex_flags = MNT_EXRDONLY; 547 else 548 args.export.ex_flags = 0; 549 args.base = membase; 550 args.size = fssize * sectorsize; 551 if (mount(MOUNT_MFS, argv[1], mntflags, &args) < 0) 552 fatal("%s: %s", argv[1], strerror(errno)); 553 } 554 #endif 555 exit(0); 556 } 557 558 #ifdef COMPAT 559 char lmsg[] = "%s: can't read disk label; disk type must be specified"; 560 #else 561 char lmsg[] = "%s: can't read disk label"; 562 #endif 563 564 struct disklabel * 565 getdisklabel(s, fd) 566 char *s; 567 int fd; 568 { 569 static struct disklabel lab; 570 571 if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) { 572 #ifdef COMPAT 573 if (disktype) { 574 struct disklabel *lp, *getdiskbyname(); 575 576 unlabeled++; 577 lp = getdiskbyname(disktype); 578 if (lp == NULL) 579 fatal("%s: unknown disk type", disktype); 580 return (lp); 581 } 582 #endif 583 warn("ioctl (GDINFO)"); 584 fatal(lmsg, s); 585 } 586 return (&lab); 587 } 588 589 rewritelabel(s, fd, lp) 590 char *s; 591 int fd; 592 register struct disklabel *lp; 593 { 594 #ifdef COMPAT 595 if (unlabeled) 596 return; 597 #endif 598 lp->d_checksum = 0; 599 lp->d_checksum = dkcksum(lp); 600 if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) { 601 warn("ioctl (WDINFO)"); 602 fatal("%s: can't rewrite disk label", s); 603 } 604 #if vax 605 if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) { 606 register i; 607 int cfd; 608 daddr_t alt; 609 char specname[64]; 610 char blk[1024]; 611 char *cp; 612 613 /* 614 * Make name for 'c' partition. 615 */ 616 strcpy(specname, s); 617 cp = specname + strlen(specname) - 1; 618 if (!isdigit(*cp)) 619 *cp = 'c'; 620 cfd = open(specname, O_WRONLY); 621 if (cfd < 0) 622 fatal("%s: %s", specname, strerror(errno)); 623 memset(blk, 0, sizeof(blk)); 624 *(struct disklabel *)(blk + LABELOFFSET) = *lp; 625 alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors; 626 for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) { 627 if (lseek(cfd, (off_t)(alt + i) * lp->d_secsize, 628 L_SET) == -1) 629 fatal("lseek to badsector area: %s", 630 strerror(errno)); 631 if (write(cfd, blk, lp->d_secsize) < lp->d_secsize) 632 warn("alternate label %d write", i/2); 633 } 634 close(cfd); 635 } 636 #endif 637 } 638 639 /*VARARGS*/ 640 void 641 #if __STDC__ 642 fatal(const char *fmt, ...) 643 #else 644 fatal(fmt, va_alist) 645 char *fmt; 646 va_dcl 647 #endif 648 { 649 va_list ap; 650 651 #if __STDC__ 652 va_start(ap, fmt); 653 #else 654 va_start(ap); 655 #endif 656 if (fcntl(STDERR_FILENO, F_GETFL) < 0) { 657 openlog(progname, LOG_CONS, LOG_DAEMON); 658 vsyslog(LOG_ERR, fmt, ap); 659 closelog(); 660 } else { 661 vwarnx(fmt, ap); 662 } 663 va_end(ap); 664 exit(1); 665 /*NOTREACHED*/ 666 } 667 668 usage() 669 { 670 if (mfs) { 671 fprintf(stderr, 672 "usage: %s [ -fsoptions ] special-device mount-point\n", 673 progname); 674 } else 675 fprintf(stderr, 676 "usage: %s [ -fsoptions ] special-device%s\n", 677 progname, 678 #ifdef COMPAT 679 " [device-type]"); 680 #else 681 ""); 682 #endif 683 fprintf(stderr, "where fsoptions are:\n"); 684 fprintf(stderr, 685 "\t-N do not create file system, just print out parameters\n"); 686 fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n"); 687 fprintf(stderr, "\t-S sector size\n"); 688 #ifdef COMPAT 689 fprintf(stderr, "\t-T disktype\n"); 690 #endif 691 fprintf(stderr, "\t-a maximum contiguous blocks\n"); 692 fprintf(stderr, "\t-b block size\n"); 693 fprintf(stderr, "\t-c cylinders/group\n"); 694 fprintf(stderr, "\t-d rotational delay between contiguous blocks\n"); 695 fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n"); 696 fprintf(stderr, "\t-f frag size\n"); 697 fprintf(stderr, "\t-i number of bytes per inode\n"); 698 fprintf(stderr, "\t-k sector 0 skew, per track\n"); 699 fprintf(stderr, "\t-l hardware sector interleave\n"); 700 fprintf(stderr, "\t-m minimum free space %%\n"); 701 fprintf(stderr, "\t-n number of distinguished rotational positions\n"); 702 fprintf(stderr, "\t-o optimization preference (`space' or `time')\n"); 703 fprintf(stderr, "\t-p spare sectors per track\n"); 704 fprintf(stderr, "\t-s file system size (sectors)\n"); 705 fprintf(stderr, "\t-r revolutions/minute\n"); 706 fprintf(stderr, "\t-t tracks/cylinder\n"); 707 fprintf(stderr, "\t-u sectors/track\n"); 708 fprintf(stderr, "\t-x spare sectors per cylinder\n"); 709 exit(1); 710 } 711