Do not print a warning about PIM sysctl node (net.inet.pim.stats)
[dragonfly.git] / sbin / newfs / newfs.c
CommitLineData
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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.
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32 *
33 * @(#) Copyright (c) 1983, 1989, 1993, 1994 The Regents of the University of California. All rights reserved.
34 * @(#)newfs.c 8.13 (Berkeley) 5/1/95
35 * $FreeBSD: src/sbin/newfs/newfs.c,v 1.30.2.9 2003/05/13 12:03:55 joerg Exp $
8af0d623 36 * $DragonFly: src/sbin/newfs/newfs.c,v 1.7 2004/02/04 17:40:00 joerg Exp $
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37 */
38
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39/*
40 * newfs: friendly front end to mkfs
41 */
42#include <sys/param.h>
43#include <sys/stat.h>
44#include <sys/disklabel.h>
45#include <sys/file.h>
46#include <sys/mount.h>
47
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48#include <vfs/ufs/dir.h>
49#include <vfs/ufs/dinode.h>
50#include <vfs/ufs/fs.h>
51#include <vfs/ufs/ufsmount.h>
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52
53#include <ctype.h>
54#include <err.h>
55#include <errno.h>
56#include <paths.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <string.h>
60#include <syslog.h>
61#include <unistd.h>
62
63#ifdef MFS
64#include <sys/types.h>
65#include <sys/mman.h>
66#endif
67
68#if __STDC__
69#include <stdarg.h>
70#else
71#include <varargs.h>
72#endif
73
74#include "mntopts.h"
76f3e8b3 75#include "defs.h"
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76
77struct mntopt mopts[] = {
78 MOPT_STDOPTS,
79 MOPT_ASYNC,
80 { NULL },
81};
82
984263bc 83void fatal(const char *fmt, ...);
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84
85#define COMPAT /* allow non-labeled disks */
86
87/*
88 * The following two constants set the default block and fragment sizes.
89 * Both constants must be a power of 2 and meet the following constraints:
90 * MINBSIZE <= DESBLKSIZE <= MAXBSIZE
91 * sectorsize <= DESFRAGSIZE <= DESBLKSIZE
92 * DESBLKSIZE / DESFRAGSIZE <= 8
93 */
94#define DFL_FRAGSIZE 2048
95#define DFL_BLKSIZE 16384
96
97/*
98 * Cylinder groups may have up to many cylinders. The actual
99 * number used depends upon how much information can be stored
100 * on a single cylinder. The default is to use as many as possible
101 * cylinders per group.
102 */
103#define DESCPG 65536 /* desired fs_cpg ("infinity") */
104
105/*
106 * Once upon a time...
107 * ROTDELAY gives the minimum number of milliseconds to initiate
108 * another disk transfer on the same cylinder. It is used in
109 * determining the rotationally optimal layout for disk blocks
110 * within a file; the default of fs_rotdelay is 4ms.
111 *
112 * ...but now we make this 0 to disable the rotdelay delay because
113 * modern drives with read/write-behind achieve higher performance
114 * without the delay.
115 */
116#define ROTDELAY 0
117
118/*
119 * MAXBLKPG determines the maximum number of data blocks which are
120 * placed in a single cylinder group. The default is one indirect
121 * block worth of data blocks.
122 */
123#define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t))
124
125/*
126 * Each file system has a number of inodes statically allocated.
127 * We allocate one inode slot per NFPI fragments, expecting this
128 * to be far more than we will ever need.
129 */
130#define NFPI 4
131
132/*
133 * Once upon a time...
134 * For each cylinder we keep track of the availability of blocks at different
135 * rotational positions, so that we can lay out the data to be picked
136 * up with minimum rotational latency. NRPOS is the default number of
137 * rotational positions that we distinguish. With NRPOS of 8 the resolution
138 * of our summary information is 2ms for a typical 3600 rpm drive.
139 *
140 * ...but now we make this 1 (which essentially disables the rotational
141 * position table because modern drives with read-ahead and write-behind do
142 * better without the rotational position table.
143 */
144#define NRPOS 1 /* number distinct rotational positions */
145
146/*
147 * About the same time as the above, we knew what went where on the disks.
148 * no longer so, so kill the code which finds the different platters too...
149 * We do this by saying one head, with a lot of sectors on it.
150 * The number of sectors are used to determine the size of a cyl-group.
151 * Kirk suggested one or two meg per "cylinder" so we say two.
152 */
153#define NTRACKS 1 /* number of heads */
154#define NSECTORS 4096 /* number of sectors */
155
156int mfs; /* run as the memory based filesystem */
157char *mfs_mtpt; /* mount point for mfs */
158struct stat mfs_mtstat; /* stat prior to mount */
159int Nflag; /* run without writing file system */
160int Oflag; /* format as an 4.3BSD file system */
76f3e8b3 161int Cflag; /* copy underlying filesystem (mfs only) */
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162int Uflag; /* enable soft updates for file system */
163int fssize; /* file system size */
164int ntracks = NTRACKS; /* # tracks/cylinder */
165int nsectors = NSECTORS; /* # sectors/track */
166int nphyssectors; /* # sectors/track including spares */
167int secpercyl; /* sectors per cylinder */
168int trackspares = -1; /* spare sectors per track */
169int cylspares = -1; /* spare sectors per cylinder */
170int sectorsize; /* bytes/sector */
171int realsectorsize; /* bytes/sector in hardware */
172int rpm; /* revolutions/minute of drive */
173int interleave; /* hardware sector interleave */
174int trackskew = -1; /* sector 0 skew, per track */
175int headswitch; /* head switch time, usec */
176int trackseek; /* track-to-track seek, usec */
177int fsize = 0; /* fragment size */
178int bsize = 0; /* block size */
179int cpg = DESCPG; /* cylinders/cylinder group */
180int cpgflg; /* cylinders/cylinder group flag was given */
181int minfree = MINFREE; /* free space threshold */
182int opt = DEFAULTOPT; /* optimization preference (space or time) */
183int density; /* number of bytes per inode */
184int maxcontig = 0; /* max contiguous blocks to allocate */
185int rotdelay = ROTDELAY; /* rotational delay between blocks */
186int maxbpg; /* maximum blocks per file in a cyl group */
187int nrpos = NRPOS; /* # of distinguished rotational positions */
188int avgfilesize = AVFILESIZ;/* expected average file size */
189int avgfilesperdir = AFPDIR;/* expected number of files per directory */
190int bbsize = BBSIZE; /* boot block size */
191int sbsize = SBSIZE; /* superblock size */
192int mntflags = MNT_ASYNC; /* flags to be passed to mount */
193int t_or_u_flag = 0; /* user has specified -t or -u */
194u_long memleft; /* virtual memory available */
195caddr_t membase; /* start address of memory based filesystem */
196char *filename;
197#ifdef COMPAT
198char *disktype;
199int unlabeled;
200#endif
201
202char device[MAXPATHLEN];
203char *progname;
204
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205struct disklabel *getdisklabel(char *, int);
206static void rewritelabel(char *, int, struct disklabel *);
9a76cd75 207static void usage(void);
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208
209int
b5744197 210main(int argc, char **argv)
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211{
212 register int ch;
213 register struct partition *pp;
214 register struct disklabel *lp;
215 struct disklabel mfsfakelabel;
216 struct disklabel *getdisklabel();
217 struct partition oldpartition;
218 struct stat st;
219 struct statfs *mp;
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220 int fsi = 0, fso, len, n, vflag;
221 char *cp = NULL, *s1, *s2, *special, *opstring;
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222#ifdef MFS
223 struct vfsconf vfc;
224 int error;
225 char buf[BUFSIZ];
226#endif
227
228 vflag = 0;
229 if ((progname = strrchr(*argv, '/')))
230 ++progname;
231 else
232 progname = *argv;
233
234 if (strstr(progname, "mfs")) {
235 mfs = 1;
236 Nflag++;
237 }
238
239 opstring = mfs ?
76f3e8b3 240 "NCF:T:Ua:b:c:d:e:f:g:h:i:m:o:s:v" :
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241 "NOS:T:Ua:b:c:d:e:f:g:h:i:k:l:m:n:o:p:r:s:t:u:vx:";
242 while ((ch = getopt(argc, argv, opstring)) != -1)
243 switch (ch) {
244 case 'N':
245 Nflag = 1;
246 break;
247 case 'O':
248 Oflag = 1;
249 break;
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250 case 'C':
251 Cflag = 1; /* MFS only */
252 break;
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253 case 'S':
254 if ((sectorsize = atoi(optarg)) <= 0)
255 fatal("%s: bad sector size", optarg);
256 break;
257#ifdef COMPAT
258 case 'T':
259 disktype = optarg;
260 break;
261#endif
262 case 'F':
263 filename = optarg;
264 break;
265 case 'U':
266 Uflag = 1;
267 break;
268 case 'a':
269 if ((maxcontig = atoi(optarg)) <= 0)
270 fatal("%s: bad maximum contiguous blocks",
271 optarg);
272 break;
273 case 'b':
274 if ((bsize = atoi(optarg)) < MINBSIZE)
275 fatal("%s: bad block size", optarg);
276 break;
277 case 'c':
278 if ((cpg = atoi(optarg)) <= 0)
279 fatal("%s: bad cylinders/group", optarg);
280 cpgflg++;
281 break;
282 case 'd':
283 if ((rotdelay = atoi(optarg)) < 0)
284 fatal("%s: bad rotational delay", optarg);
285 break;
286 case 'e':
287 if ((maxbpg = atoi(optarg)) <= 0)
288 fatal("%s: bad blocks per file in a cylinder group",
289 optarg);
290 break;
291 case 'f':
292 if ((fsize = atoi(optarg)) <= 0)
293 fatal("%s: bad fragment size", optarg);
294 break;
295 case 'g':
296 if ((avgfilesize = atoi(optarg)) <= 0)
297 fatal("%s: bad average file size", optarg);
298 break;
299 case 'h':
300 if ((avgfilesperdir = atoi(optarg)) <= 0)
301 fatal("%s: bad average files per dir", optarg);
302 break;
303 case 'i':
304 if ((density = atoi(optarg)) <= 0)
305 fatal("%s: bad bytes per inode", optarg);
306 break;
307 case 'k':
308 if ((trackskew = atoi(optarg)) < 0)
309 fatal("%s: bad track skew", optarg);
310 break;
311 case 'l':
312 if ((interleave = atoi(optarg)) <= 0)
313 fatal("%s: bad interleave", optarg);
314 break;
315 case 'm':
316 if ((minfree = atoi(optarg)) < 0 || minfree > 99)
317 fatal("%s: bad free space %%", optarg);
318 break;
319 case 'n':
320 if ((nrpos = atoi(optarg)) < 0)
321 fatal("%s: bad rotational layout count",
322 optarg);
323 if (nrpos == 0)
324 nrpos = 1;
325 break;
326 case 'o':
327 if (mfs)
328 getmntopts(optarg, mopts, &mntflags, 0);
329 else {
330 if (strcmp(optarg, "space") == 0)
331 opt = FS_OPTSPACE;
332 else if (strcmp(optarg, "time") == 0)
333 opt = FS_OPTTIME;
334 else
335 fatal("%s: unknown optimization preference: use `space' or `time'", optarg);
336 }
337 break;
338 case 'p':
339 if ((trackspares = atoi(optarg)) < 0)
340 fatal("%s: bad spare sectors per track",
341 optarg);
342 break;
343 case 'r':
344 if ((rpm = atoi(optarg)) <= 0)
345 fatal("%s: bad revolutions/minute", optarg);
346 break;
347 case 's':
348 if ((fssize = atoi(optarg)) <= 0)
349 fatal("%s: bad file system size", optarg);
350 break;
351 case 't':
352 t_or_u_flag++;
353 if ((ntracks = atoi(optarg)) < 0)
354 fatal("%s: bad total tracks", optarg);
355 break;
356 case 'u':
357 t_or_u_flag++;
358 if ((nsectors = atoi(optarg)) < 0)
359 fatal("%s: bad sectors/track", optarg);
360 break;
361 case 'v':
362 vflag = 1;
363 break;
364 case 'x':
365 if ((cylspares = atoi(optarg)) < 0)
366 fatal("%s: bad spare sectors per cylinder",
367 optarg);
368 break;
369 case '?':
370 default:
371 usage();
372 }
373 argc -= optind;
374 argv += optind;
375
376 if (argc != 2 && (mfs || argc != 1))
377 usage();
378
379 special = argv[0];
380 /* Copy the NetBSD way of faking up a disk label */
381 if (mfs && !strcmp(special, "swap")) {
382 /*
383 * it's an MFS, mounted on "swap." fake up a label.
384 * XXX XXX XXX
385 */
386 fso = -1; /* XXX; normally done below. */
387
388 memset(&mfsfakelabel, 0, sizeof(mfsfakelabel));
389 mfsfakelabel.d_secsize = 512;
390 mfsfakelabel.d_nsectors = 64;
391 mfsfakelabel.d_ntracks = 16;
392 mfsfakelabel.d_ncylinders = 16;
393 mfsfakelabel.d_secpercyl = 1024;
394 mfsfakelabel.d_secperunit = 16384;
395 mfsfakelabel.d_rpm = 3600;
396 mfsfakelabel.d_interleave = 1;
397 mfsfakelabel.d_npartitions = 1;
398 mfsfakelabel.d_partitions[0].p_size = 16384;
399 mfsfakelabel.d_partitions[0].p_fsize = 1024;
400 mfsfakelabel.d_partitions[0].p_frag = 8;
401 mfsfakelabel.d_partitions[0].p_cpg = 16;
402
403 lp = &mfsfakelabel;
404 pp = &mfsfakelabel.d_partitions[0];
405
406 goto havelabel;
407 }
408
409 cp = strrchr(special, '/');
410 if (cp == 0) {
411 /*
412 * No path prefix; try /dev/%s.
413 */
414 (void)snprintf(device, sizeof(device), "%s%s", _PATH_DEV, special);
415 special = device;
416 }
417 if (Nflag) {
418 fso = -1;
419 } else {
420 fso = open(special, O_WRONLY);
421 if (fso < 0)
422 fatal("%s: %s", special, strerror(errno));
423
424 /* Bail if target special is mounted */
425 n = getmntinfo(&mp, MNT_NOWAIT);
426 if (n == 0)
427 fatal("%s: getmntinfo: %s", special, strerror(errno));
428
429 len = sizeof(_PATH_DEV) - 1;
430 s1 = special;
431 if (strncmp(_PATH_DEV, s1, len) == 0)
432 s1 += len;
433
434 while (--n >= 0) {
435 s2 = mp->f_mntfromname;
436 if (strncmp(_PATH_DEV, s2, len) == 0) {
437 s2 += len - 1;
438 *s2 = 'r';
439 }
440 if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0)
441 fatal("%s is mounted on %s",
442 special, mp->f_mntonname);
443 ++mp;
444 }
445 }
446 if (mfs && disktype != NULL) {
447 lp = (struct disklabel *)getdiskbyname(disktype);
448 if (lp == NULL)
449 fatal("%s: unknown disk type", disktype);
450 pp = &lp->d_partitions[1];
451 } else {
452 fsi = open(special, O_RDONLY);
453 if (fsi < 0)
454 fatal("%s: %s", special, strerror(errno));
455 if (fstat(fsi, &st) < 0)
456 fatal("%s: %s", special, strerror(errno));
457 if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs)
458 printf("%s: %s: not a character-special device\n",
459 progname, special);
460 cp = strchr(argv[0], '\0');
461 if (cp == argv[0])
462 fatal("null special file name");
463 cp--;
464 if (!vflag && (*cp < 'a' || *cp > 'h') && !isdigit(*cp))
465 fatal("%s: can't figure out file system partition",
466 argv[0]);
467#ifdef COMPAT
468 if (!mfs && disktype == NULL)
469 disktype = argv[1];
470#endif
471 lp = getdisklabel(special, fsi);
472 if (vflag || isdigit(*cp))
473 pp = &lp->d_partitions[0];
474 else
475 pp = &lp->d_partitions[*cp - 'a'];
476 if (pp->p_size == 0)
477 fatal("%s: `%c' partition is unavailable",
478 argv[0], *cp);
479 if (pp->p_fstype == FS_BOOT)
480 fatal("%s: `%c' partition overlaps boot program",
481 argv[0], *cp);
482 }
483havelabel:
484 if (fssize == 0)
485 fssize = pp->p_size;
486 if (fssize > pp->p_size && !mfs)
487 fatal("%s: maximum file system size on the `%c' partition is %d",
488 argv[0], *cp, pp->p_size);
489 if (rpm == 0) {
490 rpm = lp->d_rpm;
491 if (rpm <= 0)
492 rpm = 3600;
493 }
494 if (ntracks == 0) {
495 ntracks = lp->d_ntracks;
496 if (ntracks <= 0)
497 fatal("%s: no default #tracks", argv[0]);
498 }
499 if (nsectors == 0) {
500 nsectors = lp->d_nsectors;
501 if (nsectors <= 0)
502 fatal("%s: no default #sectors/track", argv[0]);
503 }
504 if (sectorsize == 0) {
505 sectorsize = lp->d_secsize;
506 if (sectorsize <= 0)
507 fatal("%s: no default sector size", argv[0]);
508 }
509 if (trackskew == -1) {
510 trackskew = lp->d_trackskew;
511 if (trackskew < 0)
512 trackskew = 0;
513 }
514 if (interleave == 0) {
515 interleave = lp->d_interleave;
516 if (interleave <= 0)
517 interleave = 1;
518 }
519 if (fsize == 0) {
520 fsize = pp->p_fsize;
521 if (fsize <= 0)
522 fsize = MAX(DFL_FRAGSIZE, lp->d_secsize);
523 }
524 if (bsize == 0) {
525 bsize = pp->p_frag * pp->p_fsize;
526 if (bsize <= 0)
527 bsize = MIN(DFL_BLKSIZE, 8 * fsize);
528 }
529 /*
530 * Maxcontig sets the default for the maximum number of blocks
531 * that may be allocated sequentially. With filesystem clustering
532 * it is possible to allocate contiguous blocks up to the maximum
533 * transfer size permitted by the controller or buffering.
534 */
535 if (maxcontig == 0)
536 maxcontig = MAX(1, MAXPHYS / bsize - 1);
537 if (density == 0)
538 density = NFPI * fsize;
539 if (minfree < MINFREE && opt != FS_OPTSPACE) {
540 fprintf(stderr, "Warning: changing optimization to space ");
541 fprintf(stderr, "because minfree is less than %d%%\n", MINFREE);
542 opt = FS_OPTSPACE;
543 }
544 if (trackspares == -1) {
545 trackspares = lp->d_sparespertrack;
546 if (trackspares < 0)
547 trackspares = 0;
548 }
549 nphyssectors = nsectors + trackspares;
550 if (cylspares == -1) {
551 cylspares = lp->d_sparespercyl;
552 if (cylspares < 0)
553 cylspares = 0;
554 }
555 secpercyl = nsectors * ntracks - cylspares;
556 /*
557 * Only complain if -t or -u have been specified; the default
558 * case (4096 sectors per cylinder) is intended to disagree
559 * with the disklabel.
560 */
561 if (t_or_u_flag && secpercyl != lp->d_secpercyl)
562 fprintf(stderr, "%s (%d) %s (%lu)\n",
563 "Warning: calculated sectors per cylinder", secpercyl,
564 "disagrees with disk label", (u_long)lp->d_secpercyl);
565 if (maxbpg == 0)
566 maxbpg = MAXBLKPG(bsize);
567 headswitch = lp->d_headswitch;
568 trackseek = lp->d_trkseek;
569#ifdef notdef /* label may be 0 if faked up by kernel */
570 bbsize = lp->d_bbsize;
571 sbsize = lp->d_sbsize;
572#endif
573 oldpartition = *pp;
574#ifdef tahoe
575 realsectorsize = sectorsize;
576 if (sectorsize != DEV_BSIZE) { /* XXX */
577 int secperblk = DEV_BSIZE / sectorsize;
578
579 sectorsize = DEV_BSIZE;
580 nsectors /= secperblk;
581 nphyssectors /= secperblk;
582 secpercyl /= secperblk;
583 fssize /= secperblk;
584 pp->p_size /= secperblk;
585 }
586#else
587 realsectorsize = sectorsize;
588 if (sectorsize != DEV_BSIZE) { /* XXX */
589 int secperblk = sectorsize / DEV_BSIZE;
590
591 sectorsize = DEV_BSIZE;
592 nsectors *= secperblk;
593 nphyssectors *= secperblk;
594 secpercyl *= secperblk;
595 fssize *= secperblk;
596 pp->p_size *= secperblk;
597 }
598#endif
599 if (mfs) {
600 mfs_mtpt = argv[1];
601 if (
602 stat(mfs_mtpt, &mfs_mtstat) < 0 ||
603 !S_ISDIR(mfs_mtstat.st_mode)
604 ) {
605 fatal("mount point not dir: %s", mfs_mtpt);
606 }
607 }
76f3e8b3 608 mkfs(pp, special, fsi, fso, (Cflag && mfs) ? argv[1] : NULL);
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609#ifdef tahoe
610 if (realsectorsize != DEV_BSIZE)
611 pp->p_size *= DEV_BSIZE / realsectorsize;
612#else
613 if (realsectorsize != DEV_BSIZE)
614 pp->p_size /= realsectorsize /DEV_BSIZE;
615#endif
616 if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition)))
617 rewritelabel(special, fso, lp);
618 if (!Nflag)
619 close(fso);
620 close(fsi);
621#ifdef MFS
622 if (mfs) {
623 struct mfs_args args;
624
625 snprintf(buf, sizeof(buf), "mfs:%d", getpid());
626 args.fspec = buf;
627 args.export.ex_root = -2;
628 if (mntflags & MNT_RDONLY)
629 args.export.ex_flags = MNT_EXRDONLY;
630 else
631 args.export.ex_flags = 0;
632 args.base = membase;
633 args.size = fssize * sectorsize;
634
635 error = getvfsbyname("mfs", &vfc);
636 if (error && vfsisloadable("mfs")) {
637 if (vfsload("mfs"))
638 fatal("vfsload(mfs)");
639 endvfsent(); /* flush cache */
640 error = getvfsbyname("mfs", &vfc);
641 }
642 if (error)
643 fatal("mfs filesystem not available");
644
645 if (mount(vfc.vfc_name, argv[1], mntflags, &args) < 0)
646 fatal("%s: %s", argv[1], strerror(errno));
76f3e8b3 647 if (filename) {
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648 munmap(membase,fssize * sectorsize);
649 }
650 }
651#endif
652 exit(0);
653}
654
655#ifdef COMPAT
656char lmsg[] = "%s: can't read disk label; disk type must be specified";
657#else
658char lmsg[] = "%s: can't read disk label";
659#endif
660
661struct disklabel *
b5744197 662getdisklabel(char *s, int fd)
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663{
664 static struct disklabel lab;
665
666 if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
667#ifdef COMPAT
668 if (disktype) {
669 struct disklabel *lp, *getdiskbyname();
670
671 unlabeled++;
672 lp = getdiskbyname(disktype);
673 if (lp == NULL)
674 fatal("%s: unknown disk type", disktype);
675 return (lp);
676 }
677#endif
678 warn("ioctl (GDINFO)");
679 fatal(lmsg, s);
680 }
681 return (&lab);
682}
683
8af0d623
JS
684static void
685rewritelabel(char *s, int fd, struct disklabel *lp)
984263bc
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686{
687#ifdef COMPAT
688 if (unlabeled)
689 return;
690#endif
691 lp->d_checksum = 0;
692 lp->d_checksum = dkcksum(lp);
693 if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) {
694 warn("ioctl (WDINFO)");
695 fatal("%s: can't rewrite disk label", s);
696 }
697}
698
699/*VARARGS*/
700void
984263bc 701fatal(const char *fmt, ...)
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MD
702{
703 va_list ap;
704
984263bc 705 va_start(ap, fmt);
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706 if (fcntl(STDERR_FILENO, F_GETFL) < 0) {
707 openlog(progname, LOG_CONS, LOG_DAEMON);
708 vsyslog(LOG_ERR, fmt, ap);
709 closelog();
710 } else {
711 vwarnx(fmt, ap);
712 }
713 va_end(ap);
714 exit(1);
715 /*NOTREACHED*/
716}
717
718static void
b5744197 719usage(void)
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720{
721 if (mfs) {
722 fprintf(stderr,
723 "usage: %s [ -fsoptions ] special-device mount-point\n",
724 progname);
725 } else
726 fprintf(stderr,
727 "usage: %s [ -fsoptions ] special-device%s\n",
728 progname,
729#ifdef COMPAT
730 " [device-type]");
731#else
732 "");
733#endif
734 fprintf(stderr, "where fsoptions are:\n");
735 fprintf(stderr,
736 "\t-N do not create file system, just print out parameters\n");
737 fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n");
738 fprintf(stderr, "\t-S sector size\n");
739#ifdef COMPAT
740 fprintf(stderr, "\t-T disktype\n");
741#endif
742 fprintf(stderr, "\t-U enable soft updates\n");
743 fprintf(stderr, "\t-a maximum contiguous blocks\n");
744 fprintf(stderr, "\t-b block size\n");
745 fprintf(stderr, "\t-c cylinders/group\n");
746 fprintf(stderr, "\t-d rotational delay between contiguous blocks\n");
747 fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n");
748 fprintf(stderr, "\t-f frag size\n");
749 fprintf(stderr, "\t-g average file size\n");
750 fprintf(stderr, "\t-h average files per directory\n");
751 fprintf(stderr, "\t-i number of bytes per inode\n");
752 fprintf(stderr, "\t-k sector 0 skew, per track\n");
753 fprintf(stderr, "\t-l hardware sector interleave\n");
754 fprintf(stderr, "\t-m minimum free space %%\n");
755 fprintf(stderr, "\t-n number of distinguished rotational positions\n");
756 fprintf(stderr, "\t-o optimization preference (`space' or `time')\n");
757 fprintf(stderr, "\t-p spare sectors per track\n");
758 fprintf(stderr, "\t-s file system size (sectors)\n");
759 fprintf(stderr, "\t-r revolutions/minute\n");
760 fprintf(stderr, "\t-t tracks/cylinder\n");
761 fprintf(stderr, "\t-u sectors/track\n");
762 fprintf(stderr,
763 "\t-v do not attempt to determine partition name from device name\n");
764 fprintf(stderr, "\t-x spare sectors per cylinder\n");
765 exit(1);
766}