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 const 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 #if 0 42 static char sccsid[] = "@(#)newfs.c 8.13 (Berkeley) 5/1/95"; 43 #endif 44 static const char rcsid[] = 45 "$FreeBSD$"; 46 #endif /* not lint */ 47 48 /* 49 * newfs: friendly front end to mkfs 50 */ 51 #include <sys/param.h> 52 #include <sys/stat.h> 53 #include <sys/disklabel.h> 54 #include <sys/file.h> 55 #include <sys/mount.h> 56 57 #include <ufs/ufs/dir.h> 58 #include <ufs/ufs/dinode.h> 59 #include <ufs/ffs/fs.h> 60 #include <ufs/ufs/ufsmount.h> 61 62 #include <ctype.h> 63 #include <err.h> 64 #include <errno.h> 65 #include <paths.h> 66 #include <stdio.h> 67 #include <stdlib.h> 68 #include <string.h> 69 #include <syslog.h> 70 #include <unistd.h> 71 72 #ifdef MFS 73 #include <sys/types.h> 74 #include <sys/mman.h> 75 #endif 76 77 #if __STDC__ 78 #include <stdarg.h> 79 #else 80 #include <varargs.h> 81 #endif 82 83 #include "mntopts.h" 84 85 struct mntopt mopts[] = { 86 MOPT_STDOPTS, 87 MOPT_ASYNC, 88 { NULL }, 89 }; 90 91 #if __STDC__ 92 void fatal(const char *fmt, ...); 93 #else 94 void fatal(); 95 #endif 96 97 #define COMPAT /* allow non-labeled disks */ 98 99 /* 100 * The following two constants set the default block and fragment sizes. 101 * Both constants must be a power of 2 and meet the following constraints: 102 * MINBSIZE <= DESBLKSIZE <= MAXBSIZE 103 * sectorsize <= DESFRAGSIZE <= DESBLKSIZE 104 * DESBLKSIZE / DESFRAGSIZE <= 8 105 */ 106 #define DFL_FRAGSIZE 1024 107 #define DFL_BLKSIZE 8192 108 109 /* 110 * Cylinder groups may have up to many cylinders. The actual 111 * number used depends upon how much information can be stored 112 * on a single cylinder. The default is to use 16 cylinders 113 * per group. 114 */ 115 #define DESCPG 16 /* desired fs_cpg */ 116 117 /* 118 * Once upon a time... 119 * ROTDELAY gives the minimum number of milliseconds to initiate 120 * another disk transfer on the same cylinder. It is used in 121 * determining the rotationally optimal layout for disk blocks 122 * within a file; the default of fs_rotdelay is 4ms. 123 * 124 * ...but now we make this 0 to disable the rotdelay delay because 125 * modern drives with read/write-behind achieve higher performance 126 * without the delay. 127 */ 128 #define ROTDELAY 0 129 130 /* 131 * MAXBLKPG determines the maximum number of data blocks which are 132 * placed in a single cylinder group. The default is one indirect 133 * block worth of data blocks. 134 */ 135 #define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t)) 136 137 /* 138 * Each file system has a number of inodes statically allocated. 139 * We allocate one inode slot per NFPI fragments, expecting this 140 * to be far more than we will ever need. 141 */ 142 #define NFPI 4 143 144 /* 145 * Once upon a time... 146 * For each cylinder we keep track of the availability of blocks at different 147 * rotational positions, so that we can lay out the data to be picked 148 * up with minimum rotational latency. NRPOS is the default number of 149 * rotational positions that we distinguish. With NRPOS of 8 the resolution 150 * of our summary information is 2ms for a typical 3600 rpm drive. 151 * 152 * ...but now we make this 1 (which essentially disables the rotational 153 * position table because modern drives with read-ahead and write-behind do 154 * better without the rotational position table. 155 */ 156 #define NRPOS 1 /* number distinct rotational positions */ 157 158 /* 159 * About the same time as the above, we knew what went where on the disks. 160 * no longer so, so kill the code which finds the different platters too... 161 * We do this by saying one head, with a lot of sectors on it. 162 * The number of sectors are used to determine the size of a cyl-group. 163 * Kirk suggested one or two meg per "cylinder" so we say two. 164 */ 165 166 #define NTRACKS 1 /* number of heads */ 167 168 #define NSECTORS 4096 /* number of sectors */ 169 170 int mfs; /* run as the memory based filesystem */ 171 char *mfs_mtpt; /* mount point for mfs */ 172 struct stat mfs_mtstat; /* stat prior to mount */ 173 int Nflag; /* run without writing file system */ 174 int Oflag; /* format as an 4.3BSD file system */ 175 int fssize; /* file system size */ 176 int ntracks = NTRACKS; /* # tracks/cylinder */ 177 int nsectors = NSECTORS; /* # sectors/track */ 178 int nphyssectors; /* # sectors/track including spares */ 179 int secpercyl; /* sectors per cylinder */ 180 int trackspares = -1; /* spare sectors per track */ 181 int cylspares = -1; /* spare sectors per cylinder */ 182 int sectorsize; /* bytes/sector */ 183 int realsectorsize; /* bytes/sector in hardware */ 184 int rpm; /* revolutions/minute of drive */ 185 int interleave; /* hardware sector interleave */ 186 int trackskew = -1; /* sector 0 skew, per track */ 187 int headswitch; /* head switch time, usec */ 188 int trackseek; /* track-to-track seek, usec */ 189 int fsize = 0; /* fragment size */ 190 int bsize = 0; /* block size */ 191 int cpg = DESCPG; /* cylinders/cylinder group */ 192 int cpgflg; /* cylinders/cylinder group flag was given */ 193 int minfree = MINFREE; /* free space threshold */ 194 int opt = DEFAULTOPT; /* optimization preference (space or time) */ 195 int density; /* number of bytes per inode */ 196 int maxcontig = 0; /* max contiguous blocks to allocate */ 197 int rotdelay = ROTDELAY; /* rotational delay between blocks */ 198 int maxbpg; /* maximum blocks per file in a cyl group */ 199 int nrpos = NRPOS; /* # of distinguished rotational positions */ 200 int bbsize = BBSIZE; /* boot block size */ 201 int sbsize = SBSIZE; /* superblock size */ 202 int mntflags = MNT_ASYNC; /* flags to be passed to mount */ 203 int t_or_u_flag = 0; /* user has specified -t or -u */ 204 u_long memleft; /* virtual memory available */ 205 caddr_t membase; /* start address of memory based filesystem */ 206 char *filename; 207 #ifdef COMPAT 208 char *disktype; 209 int unlabeled; 210 #endif 211 212 char device[MAXPATHLEN]; 213 char *progname; 214 215 extern void mkfs __P((struct partition *, char *, int, int)); 216 static void usage __P((void)); 217 218 int 219 main(argc, argv) 220 int argc; 221 char *argv[]; 222 { 223 register int ch; 224 register struct partition *pp; 225 register struct disklabel *lp; 226 struct disklabel mfsfakelabel; 227 struct disklabel *getdisklabel(); 228 struct partition oldpartition; 229 struct stat st; 230 struct statfs *mp; 231 int fsi, fso, len, n, vflag; 232 char *cp, *s1, *s2, *special, *opstring; 233 #ifdef MFS 234 struct vfsconf vfc; 235 int error; 236 char buf[BUFSIZ]; 237 #endif 238 239 vflag = 0; 240 if ((progname = strrchr(*argv, '/'))) 241 ++progname; 242 else 243 progname = *argv; 244 245 if (strstr(progname, "mfs")) { 246 mfs = 1; 247 Nflag++; 248 } 249 250 opstring = mfs ? 251 "NF:T:a:b:c:d:e:f:i:m:o:s:" : 252 "NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:vx:"; 253 while ((ch = getopt(argc, argv, opstring)) != -1) 254 switch (ch) { 255 case 'N': 256 Nflag = 1; 257 break; 258 case 'O': 259 Oflag = 1; 260 break; 261 case 'S': 262 if ((sectorsize = atoi(optarg)) <= 0) 263 fatal("%s: bad sector size", optarg); 264 break; 265 #ifdef COMPAT 266 case 'T': 267 disktype = optarg; 268 break; 269 #endif 270 case 'F': 271 filename = optarg; 272 break; 273 case 'a': 274 if ((maxcontig = atoi(optarg)) <= 0) 275 fatal("%s: bad maximum contiguous blocks", 276 optarg); 277 break; 278 case 'b': 279 if ((bsize = atoi(optarg)) < MINBSIZE) 280 fatal("%s: bad block size", optarg); 281 break; 282 case 'c': 283 if ((cpg = atoi(optarg)) <= 0) 284 fatal("%s: bad cylinders/group", optarg); 285 cpgflg++; 286 break; 287 case 'd': 288 if ((rotdelay = atoi(optarg)) < 0) 289 fatal("%s: bad rotational delay", optarg); 290 break; 291 case 'e': 292 if ((maxbpg = atoi(optarg)) <= 0) 293 fatal("%s: bad blocks per file in a cylinder group", 294 optarg); 295 break; 296 case 'f': 297 if ((fsize = atoi(optarg)) <= 0) 298 fatal("%s: bad fragment size", optarg); 299 break; 300 case 'i': 301 if ((density = atoi(optarg)) <= 0) 302 fatal("%s: bad bytes per inode", optarg); 303 break; 304 case 'k': 305 if ((trackskew = atoi(optarg)) < 0) 306 fatal("%s: bad track skew", optarg); 307 break; 308 case 'l': 309 if ((interleave = atoi(optarg)) <= 0) 310 fatal("%s: bad interleave", optarg); 311 break; 312 case 'm': 313 if ((minfree = atoi(optarg)) < 0 || minfree > 99) 314 fatal("%s: bad free space %%", optarg); 315 break; 316 case 'n': 317 if ((nrpos = atoi(optarg)) < 0) 318 fatal("%s: bad rotational layout count", 319 optarg); 320 if (nrpos == 0) 321 nrpos = 1; 322 break; 323 case 'o': 324 if (mfs) 325 getmntopts(optarg, mopts, &mntflags, 0); 326 else { 327 if (strcmp(optarg, "space") == 0) 328 opt = FS_OPTSPACE; 329 else if (strcmp(optarg, "time") == 0) 330 opt = FS_OPTTIME; 331 else 332 fatal("%s: unknown optimization preference: use `space' or `time'"); 333 } 334 break; 335 case 'p': 336 if ((trackspares = atoi(optarg)) < 0) 337 fatal("%s: bad spare sectors per track", 338 optarg); 339 break; 340 case 'r': 341 if ((rpm = atoi(optarg)) <= 0) 342 fatal("%s: bad revolutions/minute", optarg); 343 break; 344 case 's': 345 if ((fssize = atoi(optarg)) <= 0) 346 fatal("%s: bad file system size", optarg); 347 break; 348 case 't': 349 t_or_u_flag++; 350 if ((ntracks = atoi(optarg)) < 0) 351 fatal("%s: bad total tracks", optarg); 352 break; 353 case 'u': 354 t_or_u_flag++; 355 if ((nsectors = atoi(optarg)) < 0) 356 fatal("%s: bad sectors/track", optarg); 357 break; 358 case 'v': 359 vflag = 1; 360 break; 361 case 'x': 362 if ((cylspares = atoi(optarg)) < 0) 363 fatal("%s: bad spare sectors per cylinder", 364 optarg); 365 break; 366 case '?': 367 default: 368 usage(); 369 } 370 argc -= optind; 371 argv += optind; 372 373 if (argc != 2 && (mfs || argc != 1)) 374 usage(); 375 376 special = argv[0]; 377 /* Copy the NetBSD way of faking up a disk label */ 378 if (mfs && !strcmp(special, "swap")) { 379 /* 380 * it's an MFS, mounted on "swap." fake up a label. 381 * XXX XXX XXX 382 */ 383 fso = -1; /* XXX; normally done below. */ 384 385 memset(&mfsfakelabel, 0, sizeof(mfsfakelabel)); 386 mfsfakelabel.d_secsize = 512; 387 mfsfakelabel.d_nsectors = 64; 388 mfsfakelabel.d_ntracks = 16; 389 mfsfakelabel.d_ncylinders = 16; 390 mfsfakelabel.d_secpercyl = 1024; 391 mfsfakelabel.d_secperunit = 16384; 392 mfsfakelabel.d_rpm = 3600; 393 mfsfakelabel.d_interleave = 1; 394 mfsfakelabel.d_npartitions = 1; 395 mfsfakelabel.d_partitions[0].p_size = 16384; 396 mfsfakelabel.d_partitions[0].p_fsize = 1024; 397 mfsfakelabel.d_partitions[0].p_frag = 8; 398 mfsfakelabel.d_partitions[0].p_cpg = 16; 399 400 lp = &mfsfakelabel; 401 pp = &mfsfakelabel.d_partitions[0]; 402 403 goto havelabel; 404 } 405 406 cp = strrchr(special, '/'); 407 if (cp == 0) { 408 /* 409 * No path prefix; try /dev/%s. 410 */ 411 (void)sprintf(device, "%s%s", _PATH_DEV, special); 412 special = device; 413 } 414 if (Nflag) { 415 fso = -1; 416 } else { 417 fso = open(special, O_WRONLY); 418 if (fso < 0) 419 fatal("%s: %s", special, strerror(errno)); 420 421 /* Bail if target special is mounted */ 422 n = getmntinfo(&mp, MNT_NOWAIT); 423 if (n == 0) 424 fatal("%s: getmntinfo: %s", special, strerror(errno)); 425 426 len = sizeof(_PATH_DEV) - 1; 427 s1 = special; 428 if (strncmp(_PATH_DEV, s1, len) == 0) 429 s1 += len; 430 431 while (--n >= 0) { 432 s2 = mp->f_mntfromname; 433 if (strncmp(_PATH_DEV, s2, len) == 0) { 434 s2 += len - 1; 435 *s2 = 'r'; 436 } 437 if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) 438 fatal("%s is mounted on %s", 439 special, mp->f_mntonname); 440 ++mp; 441 } 442 } 443 if (mfs && disktype != NULL) { 444 lp = (struct disklabel *)getdiskbyname(disktype); 445 if (lp == NULL) 446 fatal("%s: unknown disk type", disktype); 447 pp = &lp->d_partitions[1]; 448 } else { 449 fsi = open(special, O_RDONLY); 450 if (fsi < 0) 451 fatal("%s: %s", special, strerror(errno)); 452 if (fstat(fsi, &st) < 0) 453 fatal("%s: %s", special, strerror(errno)); 454 if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs) 455 printf("%s: %s: not a character-special device\n", 456 progname, special); 457 cp = strchr(argv[0], '\0'); 458 if (cp == argv[0]) 459 fatal("null special file name"); 460 cp--; 461 if (!vflag && (*cp < 'a' || *cp > 'h') && !isdigit(*cp)) 462 fatal("%s: can't figure out file system partition", 463 argv[0]); 464 #ifdef COMPAT 465 if (!mfs && disktype == NULL) 466 disktype = argv[1]; 467 #endif 468 lp = getdisklabel(special, fsi); 469 if (vflag || isdigit(*cp)) 470 pp = &lp->d_partitions[0]; 471 else 472 pp = &lp->d_partitions[*cp - 'a']; 473 if (pp->p_size == 0) 474 fatal("%s: `%c' partition is unavailable", 475 argv[0], *cp); 476 if (pp->p_fstype == FS_BOOT) 477 fatal("%s: `%c' partition overlaps boot program", 478 argv[0], *cp); 479 } 480 havelabel: 481 if (fssize == 0) 482 fssize = pp->p_size; 483 if (fssize > pp->p_size && !mfs) 484 fatal("%s: maximum file system size on the `%c' partition is %d", 485 argv[0], *cp, pp->p_size); 486 if (rpm == 0) { 487 rpm = lp->d_rpm; 488 if (rpm <= 0) 489 rpm = 3600; 490 } 491 if (ntracks == 0) { 492 ntracks = lp->d_ntracks; 493 if (ntracks <= 0) 494 fatal("%s: no default #tracks", argv[0]); 495 } 496 if (nsectors == 0) { 497 nsectors = lp->d_nsectors; 498 if (nsectors <= 0) 499 fatal("%s: no default #sectors/track", argv[0]); 500 } 501 if (sectorsize == 0) { 502 sectorsize = lp->d_secsize; 503 if (sectorsize <= 0) 504 fatal("%s: no default sector size", argv[0]); 505 } 506 if (trackskew == -1) { 507 trackskew = lp->d_trackskew; 508 if (trackskew < 0) 509 trackskew = 0; 510 } 511 if (interleave == 0) { 512 interleave = lp->d_interleave; 513 if (interleave <= 0) 514 interleave = 1; 515 } 516 if (fsize == 0) { 517 fsize = pp->p_fsize; 518 if (fsize <= 0) 519 fsize = MAX(DFL_FRAGSIZE, lp->d_secsize); 520 } 521 if (bsize == 0) { 522 bsize = pp->p_frag * pp->p_fsize; 523 if (bsize <= 0) 524 bsize = MIN(DFL_BLKSIZE, 8 * fsize); 525 } 526 /* 527 * Maxcontig sets the default for the maximum number of blocks 528 * that may be allocated sequentially. With filesystem clustering 529 * it is possible to allocate contiguous blocks up to the maximum 530 * transfer size permitted by the controller or buffering. 531 */ 532 if (maxcontig == 0) 533 maxcontig = MAX(1, MAXPHYS / bsize - 1); 534 if (density == 0) 535 density = NFPI * fsize; 536 if (minfree < MINFREE && opt != FS_OPTSPACE) { 537 fprintf(stderr, "Warning: changing optimization to space "); 538 fprintf(stderr, "because minfree is less than %d%%\n", MINFREE); 539 opt = FS_OPTSPACE; 540 } 541 if (trackspares == -1) { 542 trackspares = lp->d_sparespertrack; 543 if (trackspares < 0) 544 trackspares = 0; 545 } 546 nphyssectors = nsectors + trackspares; 547 if (cylspares == -1) { 548 cylspares = lp->d_sparespercyl; 549 if (cylspares < 0) 550 cylspares = 0; 551 } 552 secpercyl = nsectors * ntracks - cylspares; 553 /* 554 * Only complain if -t or -u have been specified; the default 555 * case (4096 sectors per cylinder) is intended to disagree 556 * with the disklabel. 557 */ 558 if (t_or_u_flag && secpercyl != lp->d_secpercyl) 559 fprintf(stderr, "%s (%d) %s (%lu)\n", 560 "Warning: calculated sectors per cylinder", secpercyl, 561 "disagrees with disk label", (u_long)lp->d_secpercyl); 562 if (maxbpg == 0) 563 maxbpg = MAXBLKPG(bsize); 564 headswitch = lp->d_headswitch; 565 trackseek = lp->d_trkseek; 566 #ifdef notdef /* label may be 0 if faked up by kernel */ 567 bbsize = lp->d_bbsize; 568 sbsize = lp->d_sbsize; 569 #endif 570 oldpartition = *pp; 571 #ifdef tahoe 572 realsectorsize = sectorsize; 573 if (sectorsize != DEV_BSIZE) { /* XXX */ 574 int secperblk = DEV_BSIZE / sectorsize; 575 576 sectorsize = DEV_BSIZE; 577 nsectors /= secperblk; 578 nphyssectors /= secperblk; 579 secpercyl /= secperblk; 580 fssize /= secperblk; 581 pp->p_size /= secperblk; 582 } 583 #else 584 realsectorsize = sectorsize; 585 if (sectorsize != DEV_BSIZE) { /* XXX */ 586 int secperblk = sectorsize / DEV_BSIZE; 587 588 sectorsize = DEV_BSIZE; 589 nsectors *= secperblk; 590 nphyssectors *= secperblk; 591 secpercyl *= secperblk; 592 fssize *= secperblk; 593 pp->p_size *= secperblk; 594 } 595 #endif 596 if (mfs) { 597 mfs_mtpt = argv[1]; 598 if ( 599 stat(mfs_mtpt, &mfs_mtstat) < 0 || 600 !S_ISDIR(mfs_mtstat.st_mode) 601 ) { 602 fatal("mount point not dir: %s", mfs_mtpt); 603 } 604 } 605 mkfs(pp, special, fsi, fso); 606 #ifdef tahoe 607 if (realsectorsize != DEV_BSIZE) 608 pp->p_size *= DEV_BSIZE / realsectorsize; 609 #else 610 if (realsectorsize != DEV_BSIZE) 611 pp->p_size /= realsectorsize /DEV_BSIZE; 612 #endif 613 if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition))) 614 rewritelabel(special, fso, lp); 615 if (!Nflag) 616 close(fso); 617 close(fsi); 618 #ifdef MFS 619 if (mfs) { 620 struct mfs_args args; 621 622 sprintf(buf, "mfs:%d", getpid()); 623 args.fspec = buf; 624 args.export.ex_root = -2; 625 if (mntflags & MNT_RDONLY) 626 args.export.ex_flags = MNT_EXRDONLY; 627 else 628 args.export.ex_flags = 0; 629 args.base = membase; 630 args.size = fssize * sectorsize; 631 632 error = getvfsbyname("mfs", &vfc); 633 if (error && vfsisloadable("mfs")) { 634 if (vfsload("mfs")) 635 fatal("vfsload(mfs)"); 636 endvfsent(); /* flush cache */ 637 error = getvfsbyname("mfs", &vfc); 638 } 639 if (error) 640 fatal("mfs filesystem not available"); 641 642 if (mount(vfc.vfc_name, argv[1], mntflags, &args) < 0) 643 fatal("%s: %s", argv[1], strerror(errno)); 644 if(filename) { 645 munmap(membase,fssize * sectorsize); 646 } 647 } 648 #endif 649 exit(0); 650 } 651 652 #ifdef COMPAT 653 char lmsg[] = "%s: can't read disk label; disk type must be specified"; 654 #else 655 char lmsg[] = "%s: can't read disk label"; 656 #endif 657 658 struct disklabel * 659 getdisklabel(s, fd) 660 char *s; 661 int fd; 662 { 663 static struct disklabel lab; 664 665 if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) { 666 #ifdef COMPAT 667 if (disktype) { 668 struct disklabel *lp, *getdiskbyname(); 669 670 unlabeled++; 671 lp = getdiskbyname(disktype); 672 if (lp == NULL) 673 fatal("%s: unknown disk type", disktype); 674 return (lp); 675 } 676 #endif 677 warn("ioctl (GDINFO)"); 678 fatal(lmsg, s); 679 } 680 return (&lab); 681 } 682 683 rewritelabel(s, fd, lp) 684 char *s; 685 int fd; 686 register struct disklabel *lp; 687 { 688 #ifdef COMPAT 689 if (unlabeled) 690 return; 691 #endif 692 lp->d_checksum = 0; 693 lp->d_checksum = dkcksum(lp); 694 if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) { 695 warn("ioctl (WDINFO)"); 696 fatal("%s: can't rewrite disk label", s); 697 } 698 } 699 700 /*VARARGS*/ 701 void 702 #if __STDC__ 703 fatal(const char *fmt, ...) 704 #else 705 fatal(fmt, va_alist) 706 char *fmt; 707 va_dcl 708 #endif 709 { 710 va_list ap; 711 712 #if __STDC__ 713 va_start(ap, fmt); 714 #else 715 va_start(ap); 716 #endif 717 if (fcntl(STDERR_FILENO, F_GETFL) < 0) { 718 openlog(progname, LOG_CONS, LOG_DAEMON); 719 vsyslog(LOG_ERR, fmt, ap); 720 closelog(); 721 } else { 722 vwarnx(fmt, ap); 723 } 724 va_end(ap); 725 exit(1); 726 /*NOTREACHED*/ 727 } 728 729 static void 730 usage() 731 { 732 if (mfs) { 733 fprintf(stderr, 734 "usage: %s [ -fsoptions ] special-device mount-point\n", 735 progname); 736 } else 737 fprintf(stderr, 738 "usage: %s [ -fsoptions ] special-device%s\n", 739 progname, 740 #ifdef COMPAT 741 " [device-type]"); 742 #else 743 ""); 744 #endif 745 fprintf(stderr, "where fsoptions are:\n"); 746 fprintf(stderr, 747 "\t-N do not create file system, just print out parameters\n"); 748 fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n"); 749 fprintf(stderr, "\t-S sector size\n"); 750 #ifdef COMPAT 751 fprintf(stderr, "\t-T disktype\n"); 752 #endif 753 fprintf(stderr, "\t-a maximum contiguous blocks\n"); 754 fprintf(stderr, "\t-b block size\n"); 755 fprintf(stderr, "\t-c cylinders/group\n"); 756 fprintf(stderr, "\t-d rotational delay between contiguous blocks\n"); 757 fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n"); 758 fprintf(stderr, "\t-f frag size\n"); 759 fprintf(stderr, "\t-i number of bytes per inode\n"); 760 fprintf(stderr, "\t-k sector 0 skew, per track\n"); 761 fprintf(stderr, "\t-l hardware sector interleave\n"); 762 fprintf(stderr, "\t-m minimum free space %%\n"); 763 fprintf(stderr, "\t-n number of distinguished rotational positions\n"); 764 fprintf(stderr, "\t-o optimization preference (`space' or `time')\n"); 765 fprintf(stderr, "\t-p spare sectors per track\n"); 766 fprintf(stderr, "\t-s file system size (sectors)\n"); 767 fprintf(stderr, "\t-r revolutions/minute\n"); 768 fprintf(stderr, "\t-t tracks/cylinder\n"); 769 fprintf(stderr, "\t-u sectors/track\n"); 770 fprintf(stderr, 771 "\t-v do not attempt to determine partition name from device name\n"); 772 fprintf(stderr, "\t-x spare sectors per cylinder\n"); 773 exit(1); 774 } 775