Commit | Line | Data |
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c018628f | 1 | /* |
364ec583 KB |
2 | * Copyright (c) 1983, 1989, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
ec7b02f7 | 4 | * |
70ab3c27 | 5 | * %sccs.include.redist.c% |
c018628f DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
6c102121 | 9 | static char sccsid[] = "@(#)newfs.c 8.2 (Berkeley) %G%"; |
ec7b02f7 | 10 | #endif /* not lint */ |
c018628f | 11 | |
a54c0b3f | 12 | #ifndef lint |
364ec583 KB |
13 | static char copyright[] = |
14 | "@(#) Copyright (c) 1983, 1989, 1993\n\ | |
15 | The Regents of the University of California. All rights reserved.\n"; | |
ec7b02f7 | 16 | #endif /* not lint */ |
a54c0b3f SL |
17 | |
18 | /* | |
c6003316 | 19 | * newfs: friendly front end to mkfs |
a54c0b3f SL |
20 | */ |
21 | #include <sys/param.h> | |
22 | #include <sys/stat.h> | |
8485bb11 KM |
23 | #include <sys/ioctl.h> |
24 | #include <sys/disklabel.h> | |
25 | #include <sys/file.h> | |
ec7b02f7 | 26 | #include <sys/mount.h> |
558b3a30 KB |
27 | #include <ufs/ufs/dir.h> |
28 | #include <ufs/ffs/fs.h> | |
a54c0b3f | 29 | |
fcc01f65 | 30 | #include <errno.h> |
e99c53de | 31 | #if __STDC__ |
fcc01f65 | 32 | #include <stdarg.h> |
e99c53de CT |
33 | #else |
34 | #include <varargs.h> | |
35 | #endif | |
932690ab | 36 | #include <unistd.h> |
a54c0b3f | 37 | #include <stdio.h> |
8485bb11 | 38 | #include <ctype.h> |
fcc01f65 KB |
39 | #include <string.h> |
40 | #include <stdlib.h> | |
7abf8d65 | 41 | #include <paths.h> |
a54c0b3f | 42 | |
e99c53de CT |
43 | #if __STDC__ |
44 | void fatal(const char *fmt, ...); | |
45 | #else | |
46 | void fatal(); | |
47 | #endif | |
48 | ||
fcc01f65 | 49 | #define COMPAT /* allow non-labeled disks */ |
f24e4d82 | 50 | |
8485bb11 KM |
51 | /* |
52 | * The following two constants set the default block and fragment sizes. | |
53 | * Both constants must be a power of 2 and meet the following constraints: | |
54 | * MINBSIZE <= DESBLKSIZE <= MAXBSIZE | |
55 | * sectorsize <= DESFRAGSIZE <= DESBLKSIZE | |
56 | * DESBLKSIZE / DESFRAGSIZE <= 8 | |
57 | */ | |
58 | #define DFL_FRAGSIZE 1024 | |
59 | #define DFL_BLKSIZE 8192 | |
60 | ||
61 | /* | |
38f1cd11 | 62 | * Cylinder groups may have up to many cylinders. The actual |
8485bb11 | 63 | * number used depends upon how much information can be stored |
38f1cd11 | 64 | * on a single cylinder. The default is to use 16 cylinders |
8485bb11 KM |
65 | * per group. |
66 | */ | |
67 | #define DESCPG 16 /* desired fs_cpg */ | |
89241117 | 68 | |
8485bb11 KM |
69 | /* |
70 | * MINFREE gives the minimum acceptable percentage of file system | |
71 | * blocks which may be free. If the freelist drops below this level | |
72 | * only the superuser may continue to allocate blocks. This may | |
73 | * be set to 0 if no reserve of free blocks is deemed necessary, | |
74 | * however throughput drops by fifty percent if the file system | |
5a8e1a56 KM |
75 | * is run at between 95% and 100% full; thus the default value of |
76 | * fs_minfree is 5%. With 5% free space, fragmentation is not a | |
8485bb11 KM |
77 | * problem, so we choose to optimize for time. |
78 | */ | |
5a8e1a56 | 79 | #define MINFREE 5 |
8485bb11 KM |
80 | #define DEFAULTOPT FS_OPTTIME |
81 | ||
82 | /* | |
83 | * ROTDELAY gives the minimum number of milliseconds to initiate | |
84 | * another disk transfer on the same cylinder. It is used in | |
85 | * determining the rotationally optimal layout for disk blocks | |
86 | * within a file; the default of fs_rotdelay is 4ms. | |
87 | */ | |
88 | #define ROTDELAY 4 | |
89 | ||
3d632f12 KM |
90 | /* |
91 | * MAXBLKPG determines the maximum number of data blocks which are | |
92 | * placed in a single cylinder group. The default is one indirect | |
93 | * block worth of data blocks. | |
94 | */ | |
95 | #define MAXBLKPG(bsize) ((bsize) / sizeof(daddr_t)) | |
96 | ||
8485bb11 KM |
97 | /* |
98 | * Each file system has a number of inodes statically allocated. | |
ec7b02f7 | 99 | * We allocate one inode slot per NFPI fragments, expecting this |
8485bb11 KM |
100 | * to be far more than we will ever need. |
101 | */ | |
ec7b02f7 | 102 | #define NFPI 4 |
8485bb11 | 103 | |
38f1cd11 KM |
104 | /* |
105 | * For each cylinder we keep track of the availability of blocks at different | |
106 | * rotational positions, so that we can lay out the data to be picked | |
107 | * up with minimum rotational latency. NRPOS is the default number of | |
108 | * rotational positions that we distinguish. With NRPOS of 8 the resolution | |
109 | * of our summary information is 2ms for a typical 3600 rpm drive. | |
110 | */ | |
111 | #define NRPOS 8 /* number distinct rotational positions */ | |
112 | ||
113 | ||
822f4068 | 114 | int mfs; /* run as the memory based filesystem */ |
8485bb11 | 115 | int Nflag; /* run without writing file system */ |
5a8e1a56 | 116 | int Oflag; /* format as an 4.3BSD file system */ |
a54c0b3f | 117 | int fssize; /* file system size */ |
a54c0b3f SL |
118 | int ntracks; /* # tracks/cylinder */ |
119 | int nsectors; /* # sectors/track */ | |
a20edd44 | 120 | int nphyssectors; /* # sectors/track including spares */ |
8485bb11 | 121 | int secpercyl; /* sectors per cylinder */ |
a20edd44 KM |
122 | int trackspares = -1; /* spare sectors per track */ |
123 | int cylspares = -1; /* spare sectors per cylinder */ | |
a54c0b3f | 124 | int sectorsize; /* bytes/sector */ |
c5d3fd78 MK |
125 | #ifdef tahoe |
126 | int realsectorsize; /* bytes/sector in hardware */ | |
127 | #endif | |
c6003316 | 128 | int rpm; /* revolutions/minute of drive */ |
a20edd44 KM |
129 | int interleave; /* hardware sector interleave */ |
130 | int trackskew = -1; /* sector 0 skew, per track */ | |
131 | int headswitch; /* head switch time, usec */ | |
132 | int trackseek; /* track-to-track seek, usec */ | |
187d180d MK |
133 | int fsize = 0; /* fragment size */ |
134 | int bsize = 0; /* block size */ | |
8485bb11 | 135 | int cpg = DESCPG; /* cylinders/cylinder group */ |
f40b03d9 | 136 | int cpgflg; /* cylinders/cylinder group flag was given */ |
8485bb11 KM |
137 | int minfree = MINFREE; /* free space threshold */ |
138 | int opt = DEFAULTOPT; /* optimization preference (space or time) */ | |
ec7b02f7 | 139 | int density; /* number of bytes per inode */ |
5a8e1a56 | 140 | int maxcontig = 0; /* max contiguous blocks to allocate */ |
8485bb11 | 141 | int rotdelay = ROTDELAY; /* rotational delay between blocks */ |
3d632f12 | 142 | int maxbpg; /* maximum blocks per file in a cyl group */ |
38f1cd11 | 143 | int nrpos = NRPOS; /* # of distinguished rotational positions */ |
c5d3fd78 MK |
144 | int bbsize = BBSIZE; /* boot block size */ |
145 | int sbsize = SBSIZE; /* superblock size */ | |
822f4068 | 146 | int mntflags; /* flags to be passed to mount */ |
ec7b02f7 KM |
147 | u_long memleft; /* virtual memory available */ |
148 | caddr_t membase; /* start address of memory based filesystem */ | |
f24e4d82 | 149 | #ifdef COMPAT |
894fc092 | 150 | char *disktype; |
fcc01f65 | 151 | int unlabeled; |
f24e4d82 | 152 | #endif |
8485bb11 | 153 | |
a54c0b3f | 154 | char device[MAXPATHLEN]; |
ec7b02f7 | 155 | char *progname; |
a54c0b3f | 156 | |
a54c0b3f | 157 | main(argc, argv) |
1b8b6e44 | 158 | int argc; |
a54c0b3f SL |
159 | char *argv[]; |
160 | { | |
fcc01f65 KB |
161 | extern char *optarg; |
162 | extern int optind; | |
163 | register int ch; | |
a54c0b3f | 164 | register struct partition *pp; |
8485bb11 KM |
165 | register struct disklabel *lp; |
166 | struct disklabel *getdisklabel(); | |
167 | struct partition oldpartition; | |
a54c0b3f | 168 | struct stat st; |
8485bb11 | 169 | int fsi, fso; |
fcc01f65 | 170 | char *cp, *special, *opstring, buf[BUFSIZ]; |
990775e9 KM |
171 | struct statfs *mp; |
172 | char *s1, *s2; | |
173 | int len, n; | |
a54c0b3f | 174 | |
fcc01f65 KB |
175 | if (progname = rindex(*argv, '/')) |
176 | ++progname; | |
177 | else | |
ec7b02f7 | 178 | progname = *argv; |
fcc01f65 | 179 | |
6bab0c78 | 180 | if (strstr(progname, "mfs")) { |
fcc01f65 | 181 | mfs = 1; |
ec7b02f7 | 182 | Nflag++; |
ec7b02f7 | 183 | } |
a54c0b3f | 184 | |
5a8e1a56 | 185 | opstring = "F:NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:"; |
fcc01f65 KB |
186 | if (!mfs) |
187 | opstring += 2; /* -F is mfs only */ | |
188 | ||
189 | while ((ch = getopt(argc, argv, opstring)) != EOF) | |
190 | switch(ch) { | |
191 | case 'F': | |
192 | if ((mntflags = atoi(optarg)) == 0) | |
193 | fatal("%s: bad mount flags", optarg); | |
194 | break; | |
195 | case 'N': | |
196 | Nflag++; | |
197 | break; | |
5a8e1a56 KM |
198 | case 'O': |
199 | Oflag++; | |
200 | break; | |
fcc01f65 KB |
201 | case 'S': |
202 | if ((sectorsize = atoi(optarg)) <= 0) | |
203 | fatal("%s: bad sector size", optarg); | |
204 | break; | |
894fc092 | 205 | #ifdef COMPAT |
fcc01f65 KB |
206 | case 'T': |
207 | disktype = optarg; | |
208 | break; | |
894fc092 | 209 | #endif |
fcc01f65 KB |
210 | case 'a': |
211 | if ((maxcontig = atoi(optarg)) <= 0) | |
212 | fatal("%s: bad max contiguous blocks\n", | |
213 | optarg); | |
214 | break; | |
215 | case 'b': | |
216 | if ((bsize = atoi(optarg)) < MINBSIZE) | |
217 | fatal("%s: bad block size", optarg); | |
218 | break; | |
219 | case 'c': | |
220 | if ((cpg = atoi(optarg)) <= 0) | |
221 | fatal("%s: bad cylinders/group", optarg); | |
222 | cpgflg++; | |
223 | break; | |
224 | case 'd': | |
225 | if ((rotdelay = atoi(optarg)) < 0) | |
226 | fatal("%s: bad rotational delay\n", optarg); | |
227 | break; | |
228 | case 'e': | |
229 | if ((maxbpg = atoi(optarg)) <= 0) | |
230 | fatal("%s: bad blocks per file in a cyl group\n", | |
231 | optarg); | |
232 | break; | |
233 | case 'f': | |
234 | if ((fsize = atoi(optarg)) <= 0) | |
235 | fatal("%s: bad frag size", optarg); | |
236 | break; | |
237 | case 'i': | |
238 | if ((density = atoi(optarg)) <= 0) | |
239 | fatal("%s: bad bytes per inode\n", optarg); | |
240 | break; | |
241 | case 'k': | |
242 | if ((trackskew = atoi(optarg)) < 0) | |
243 | fatal("%s: bad track skew", optarg); | |
244 | break; | |
245 | case 'l': | |
246 | if ((interleave = atoi(optarg)) <= 0) | |
247 | fatal("%s: bad interleave", optarg); | |
248 | break; | |
249 | case 'm': | |
250 | if ((minfree = atoi(optarg)) < 0 || minfree > 99) | |
251 | fatal("%s: bad free space %%\n", optarg); | |
252 | break; | |
253 | case 'n': | |
254 | if ((nrpos = atoi(optarg)) <= 0) | |
255 | fatal("%s: bad rotational layout count\n", | |
256 | optarg); | |
257 | break; | |
258 | case 'o': | |
259 | if (strcmp(optarg, "space") == 0) | |
260 | opt = FS_OPTSPACE; | |
261 | else if (strcmp(optarg, "time") == 0) | |
262 | opt = FS_OPTTIME; | |
263 | else | |
264 | fatal("%s: bad optimization preference %s", | |
265 | optarg, "(options are `space' or `time')"); | |
266 | break; | |
267 | case 'p': | |
268 | if ((trackspares = atoi(optarg)) < 0) | |
269 | fatal("%s: bad spare sectors per track", | |
270 | optarg); | |
271 | break; | |
272 | case 'r': | |
273 | if ((rpm = atoi(optarg)) <= 0) | |
274 | fatal("%s: bad revs/minute\n", optarg); | |
275 | break; | |
276 | case 's': | |
277 | if ((fssize = atoi(optarg)) <= 0) | |
278 | fatal("%s: bad file system size", optarg); | |
279 | break; | |
280 | case 't': | |
281 | if ((ntracks = atoi(optarg)) <= 0) | |
282 | fatal("%s: bad total tracks", optarg); | |
283 | break; | |
284 | case 'u': | |
285 | if ((nsectors = atoi(optarg)) <= 0) | |
286 | fatal("%s: bad sectors/track", optarg); | |
287 | break; | |
288 | case 'x': | |
289 | if ((cylspares = atoi(optarg)) < 0) | |
290 | fatal("%s: bad spare sectors per cylinder", | |
291 | optarg); | |
292 | break; | |
293 | case '?': | |
294 | default: | |
295 | usage(); | |
296 | } | |
297 | argc -= optind; | |
298 | argv += optind; | |
299 | ||
6c102121 | 300 | if (argc != 2 && (!mfs || argc != 1)) |
fcc01f65 | 301 | usage(); |
894fc092 | 302 | |
a54c0b3f | 303 | special = argv[0]; |
1b8b6e44 | 304 | cp = rindex(special, '/'); |
756884f0 MK |
305 | if (cp == 0) { |
306 | /* | |
307 | * No path prefix; try /dev/r%s then /dev/%s. | |
308 | */ | |
309 | (void)sprintf(device, "%sr%s", _PATH_DEV, special); | |
310 | if (stat(device, &st) == -1) | |
311 | (void)sprintf(device, "%s%s", _PATH_DEV, special); | |
312 | special = device; | |
313 | } | |
990775e9 KM |
314 | if (Nflag) { |
315 | fso = -1; | |
316 | } else { | |
8485bb11 | 317 | fso = open(special, O_WRONLY); |
fcc01f65 KB |
318 | if (fso < 0) |
319 | fatal("%s: %s", special, strerror(errno)); | |
990775e9 KM |
320 | |
321 | /* Bail if target special is mounted */ | |
322 | n = getmntinfo(&mp, MNT_NOWAIT); | |
323 | if (n == 0) | |
324 | fatal("%s: getmntinfo: %s", special, strerror(errno)); | |
325 | ||
326 | len = sizeof(_PATH_DEV) - 1; | |
327 | s1 = special; | |
328 | if (strncmp(_PATH_DEV, s1, len) == 0) | |
329 | s1 += len; | |
330 | ||
331 | while (--n >= 0) { | |
332 | s2 = mp->f_mntfromname; | |
333 | if (strncmp(_PATH_DEV, s2, len) == 0) { | |
334 | s2 += len - 1; | |
335 | *s2 = 'r'; | |
336 | } | |
337 | if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) | |
338 | fatal("%s is mounted on %s", | |
339 | special, mp->f_mntonname); | |
340 | ++mp; | |
341 | } | |
342 | } | |
4e45fb17 KM |
343 | if (mfs && disktype != NULL) { |
344 | lp = (struct disklabel *)getdiskbyname(disktype); | |
345 | if (lp == NULL) | |
346 | fatal("%s: unknown disk type", disktype); | |
347 | pp = &lp->d_partitions[1]; | |
348 | } else { | |
349 | fsi = open(special, O_RDONLY); | |
350 | if (fsi < 0) | |
351 | fatal("%s: %s", special, strerror(errno)); | |
352 | if (fstat(fsi, &st) < 0) | |
353 | fatal("%s: %s", special, strerror(errno)); | |
354 | if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs) | |
355 | printf("%s: %s: not a character-special device\n", | |
356 | progname, special); | |
357 | cp = index(argv[0], '\0') - 1; | |
358 | if (cp == 0 || (*cp < 'a' || *cp > 'h') && !isdigit(*cp)) | |
359 | fatal("%s: can't figure out file system partition", | |
360 | argv[0]); | |
f24e4d82 | 361 | #ifdef COMPAT |
4e45fb17 KM |
362 | if (!mfs && disktype == NULL) |
363 | disktype = argv[1]; | |
f24e4d82 | 364 | #endif |
4e45fb17 KM |
365 | lp = getdisklabel(special, fsi); |
366 | if (isdigit(*cp)) | |
367 | pp = &lp->d_partitions[0]; | |
368 | else | |
369 | pp = &lp->d_partitions[*cp - 'a']; | |
370 | if (pp->p_size == 0) | |
371 | fatal("%s: `%c' partition is unavailable", | |
372 | argv[0], *cp); | |
cd6b3d1c MH |
373 | if (pp->p_fstype == FS_BOOT) |
374 | fatal("%s: `%c' partition overlaps boot program", | |
375 | argv[0], *cp); | |
4e45fb17 | 376 | } |
8485bb11 | 377 | if (fssize == 0) |
a54c0b3f | 378 | fssize = pp->p_size; |
822f4068 | 379 | if (fssize > pp->p_size && !mfs) |
8485bb11 KM |
380 | fatal("%s: maximum file system size on the `%c' partition is %d", |
381 | argv[0], *cp, pp->p_size); | |
382 | if (rpm == 0) { | |
383 | rpm = lp->d_rpm; | |
384 | if (rpm <= 0) | |
6181c540 | 385 | rpm = 3600; |
a54c0b3f SL |
386 | } |
387 | if (ntracks == 0) { | |
8485bb11 KM |
388 | ntracks = lp->d_ntracks; |
389 | if (ntracks <= 0) | |
6181c540 | 390 | fatal("%s: no default #tracks", argv[0]); |
a54c0b3f | 391 | } |
8485bb11 KM |
392 | if (nsectors == 0) { |
393 | nsectors = lp->d_nsectors; | |
394 | if (nsectors <= 0) | |
6181c540 | 395 | fatal("%s: no default #sectors/track", argv[0]); |
8485bb11 | 396 | } |
a54c0b3f | 397 | if (sectorsize == 0) { |
8485bb11 KM |
398 | sectorsize = lp->d_secsize; |
399 | if (sectorsize <= 0) | |
6181c540 | 400 | fatal("%s: no default sector size", argv[0]); |
a54c0b3f | 401 | } |
a20edd44 KM |
402 | if (trackskew == -1) { |
403 | trackskew = lp->d_trackskew; | |
404 | if (trackskew < 0) | |
6181c540 | 405 | trackskew = 0; |
a20edd44 KM |
406 | } |
407 | if (interleave == 0) { | |
408 | interleave = lp->d_interleave; | |
409 | if (interleave <= 0) | |
6181c540 | 410 | interleave = 1; |
a20edd44 | 411 | } |
a54c0b3f SL |
412 | if (fsize == 0) { |
413 | fsize = pp->p_fsize; | |
8485bb11 KM |
414 | if (fsize <= 0) |
415 | fsize = MAX(DFL_FRAGSIZE, lp->d_secsize); | |
a54c0b3f | 416 | } |
8485bb11 KM |
417 | if (bsize == 0) { |
418 | bsize = pp->p_frag * pp->p_fsize; | |
419 | if (bsize <= 0) | |
420 | bsize = MIN(DFL_BLKSIZE, 8 * fsize); | |
c6003316 | 421 | } |
5a8e1a56 KM |
422 | /* |
423 | * Maxcontig sets the default for the maximum number of blocks | |
424 | * that may be allocated sequentially. With filesystem clustering | |
425 | * it is possible to allocate contiguous blocks up to the maximum | |
426 | * transfer size permitted by the controller or buffering. | |
427 | */ | |
428 | if (maxcontig == 0) | |
429 | maxcontig = MAX(1, MIN(MAXPHYS, MAXBSIZE) / bsize); | |
ec7b02f7 KM |
430 | if (density == 0) |
431 | density = NFPI * fsize; | |
450d3673 | 432 | if (minfree < MINFREE && opt != FS_OPTSPACE) { |
8485bb11 | 433 | fprintf(stderr, "Warning: changing optimization to space "); |
450d3673 | 434 | fprintf(stderr, "because minfree is less than %d%%\n", MINFREE); |
75e589fc KM |
435 | opt = FS_OPTSPACE; |
436 | } | |
a20edd44 KM |
437 | if (trackspares == -1) { |
438 | trackspares = lp->d_sparespertrack; | |
439 | if (trackspares < 0) | |
6181c540 | 440 | trackspares = 0; |
a20edd44 KM |
441 | } |
442 | nphyssectors = nsectors + trackspares; | |
443 | if (cylspares == -1) { | |
444 | cylspares = lp->d_sparespercyl; | |
445 | if (cylspares < 0) | |
6181c540 | 446 | cylspares = 0; |
a20edd44 KM |
447 | } |
448 | secpercyl = nsectors * ntracks - cylspares; | |
8485bb11 | 449 | if (secpercyl != lp->d_secpercyl) |
fcc01f65 | 450 | fprintf(stderr, "%s (%d) %s (%lu)\n", |
8485bb11 KM |
451 | "Warning: calculated sectors per cylinder", secpercyl, |
452 | "disagrees with disk label", lp->d_secpercyl); | |
c9b3f9df KM |
453 | if (maxbpg == 0) |
454 | maxbpg = MAXBLKPG(bsize); | |
a20edd44 KM |
455 | headswitch = lp->d_headswitch; |
456 | trackseek = lp->d_trkseek; | |
e1b3345a KB |
457 | /* Reno fix: label may be 0 if faked up by kernel */ |
458 | #ifdef notdef | |
756884f0 | 459 | #ifdef notdef /* label may be 0 if faked up by kernel */ |
c5d3fd78 MK |
460 | bbsize = lp->d_bbsize; |
461 | sbsize = lp->d_sbsize; | |
e1b3345a | 462 | #endif |
756884f0 | 463 | #endif |
8485bb11 | 464 | oldpartition = *pp; |
c5d3fd78 MK |
465 | #ifdef tahoe |
466 | realsectorsize = sectorsize; | |
187d180d | 467 | if (sectorsize != DEV_BSIZE) { /* XXX */ |
c5d3fd78 MK |
468 | int secperblk = DEV_BSIZE / sectorsize; |
469 | ||
470 | sectorsize = DEV_BSIZE; | |
471 | nsectors /= secperblk; | |
472 | nphyssectors /= secperblk; | |
473 | secpercyl /= secperblk; | |
474 | fssize /= secperblk; | |
475 | pp->p_size /= secperblk; | |
476 | } | |
477 | #endif | |
8485bb11 | 478 | mkfs(pp, special, fsi, fso); |
c5d3fd78 MK |
479 | #ifdef tahoe |
480 | if (realsectorsize != DEV_BSIZE) | |
481 | pp->p_size *= DEV_BSIZE / realsectorsize; | |
482 | #endif | |
8485bb11 KM |
483 | if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition))) |
484 | rewritelabel(special, fso, lp); | |
ec7b02f7 KM |
485 | if (!Nflag) |
486 | close(fso); | |
487 | close(fsi); | |
5358b44e | 488 | #ifdef MFS |
822f4068 | 489 | if (mfs) { |
5358b44e KB |
490 | struct mfs_args args; |
491 | ||
822f4068 | 492 | sprintf(buf, "mfs:%d", getpid()); |
6c102121 MH |
493 | args.fspec = buf; |
494 | args.export.ex_root = -2; | |
495 | if (mntflags & MNT_RDONLY) | |
496 | args.export.ex_flags = MNT_EXRDONLY; | |
497 | else | |
498 | args.export.ex_flags = 0; | |
ec7b02f7 KM |
499 | args.base = membase; |
500 | args.size = fssize * sectorsize; | |
fcc01f65 KB |
501 | if (mount(MOUNT_MFS, argv[1], mntflags, &args) < 0) |
502 | fatal("%s: %s", argv[1], strerror(errno)); | |
ec7b02f7 | 503 | } |
5358b44e | 504 | #endif |
a54c0b3f SL |
505 | exit(0); |
506 | } | |
507 | ||
f24e4d82 | 508 | #ifdef COMPAT |
894fc092 | 509 | char lmsg[] = "%s: can't read disk label; disk type must be specified"; |
f24e4d82 | 510 | #else |
894fc092 KM |
511 | char lmsg[] = "%s: can't read disk label"; |
512 | #endif | |
513 | ||
8485bb11 KM |
514 | struct disklabel * |
515 | getdisklabel(s, fd) | |
516 | char *s; | |
f24e4d82 | 517 | int fd; |
a54c0b3f | 518 | { |
8485bb11 KM |
519 | static struct disklabel lab; |
520 | ||
521 | if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) { | |
894fc092 KM |
522 | #ifdef COMPAT |
523 | if (disktype) { | |
756884f0 | 524 | struct disklabel *lp, *getdiskbyname(); |
894fc092 | 525 | |
fcc01f65 | 526 | unlabeled++; |
756884f0 MK |
527 | lp = getdiskbyname(disktype); |
528 | if (lp == NULL) | |
529 | fatal("%s: unknown disk type", disktype); | |
530 | return (lp); | |
894fc092 KM |
531 | } |
532 | #endif | |
fcc01f65 KB |
533 | (void)fprintf(stderr, |
534 | "%s: ioctl (GDINFO): %s\n", progname, strerror(errno)); | |
894fc092 | 535 | fatal(lmsg, s); |
8485bb11 KM |
536 | } |
537 | return (&lab); | |
538 | } | |
539 | ||
540 | rewritelabel(s, fd, lp) | |
541 | char *s; | |
a54c0b3f | 542 | int fd; |
8485bb11 KM |
543 | register struct disklabel *lp; |
544 | { | |
f24e4d82 | 545 | #ifdef COMPAT |
fcc01f65 | 546 | if (unlabeled) |
f24e4d82 MK |
547 | return; |
548 | #endif | |
8485bb11 KM |
549 | lp->d_checksum = 0; |
550 | lp->d_checksum = dkcksum(lp); | |
551 | if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) { | |
fcc01f65 KB |
552 | (void)fprintf(stderr, |
553 | "%s: ioctl (WDINFO): %s\n", progname, strerror(errno)); | |
8485bb11 | 554 | fatal("%s: can't rewrite disk label", s); |
a54c0b3f | 555 | } |
bf8f0524 MK |
556 | #if vax |
557 | if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) { | |
558 | register i; | |
c5d3fd78 | 559 | int cfd; |
bf8f0524 | 560 | daddr_t alt; |
c5d3fd78 MK |
561 | char specname[64]; |
562 | char blk[1024]; | |
866736b4 | 563 | char *cp; |
c5d3fd78 MK |
564 | |
565 | /* | |
566 | * Make name for 'c' partition. | |
567 | */ | |
568 | strcpy(specname, s); | |
569 | cp = specname + strlen(specname) - 1; | |
570 | if (!isdigit(*cp)) | |
571 | *cp = 'c'; | |
572 | cfd = open(specname, O_WRONLY); | |
fcc01f65 KB |
573 | if (cfd < 0) |
574 | fatal("%s: %s", specname, strerror(errno)); | |
c5d3fd78 MK |
575 | bzero(blk, sizeof(blk)); |
576 | *(struct disklabel *)(blk + LABELOFFSET) = *lp; | |
bf8f0524 MK |
577 | alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors; |
578 | for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) { | |
756884f0 MK |
579 | if (lseek(cfd, (off_t)(alt + i) * lp->d_secsize, |
580 | L_SET) == -1) | |
fcc01f65 KB |
581 | fatal("lseek to badsector area: %s", |
582 | strerror(errno)); | |
583 | if (write(cfd, blk, lp->d_secsize) < lp->d_secsize) | |
584 | fprintf(stderr, | |
585 | "%s: alternate label %d write: %s\n", | |
586 | progname, i/2, strerror(errno)); | |
8485bb11 | 587 | } |
ec7b02f7 | 588 | close(cfd); |
8485bb11 | 589 | } |
bf8f0524 | 590 | #endif |
a54c0b3f SL |
591 | } |
592 | ||
593 | /*VARARGS*/ | |
e99c53de CT |
594 | void |
595 | #if __STDC__ | |
596 | fatal(const char *fmt, ...) | |
597 | #else | |
598 | fatal(fmt, va_alist) | |
a54c0b3f | 599 | char *fmt; |
e99c53de CT |
600 | va_dcl |
601 | #endif | |
a54c0b3f | 602 | { |
fcc01f65 | 603 | va_list ap; |
a54c0b3f | 604 | |
e99c53de | 605 | #if __STDC__ |
fcc01f65 | 606 | va_start(ap, fmt); |
e99c53de CT |
607 | #else |
608 | va_start(ap); | |
609 | #endif | |
610 | fprintf(stderr, "%s: ", progname); | |
fcc01f65 KB |
611 | (void)vfprintf(stderr, fmt, ap); |
612 | va_end(ap); | |
a54c0b3f | 613 | putc('\n', stderr); |
fcc01f65 KB |
614 | exit(1); |
615 | } | |
616 | ||
617 | usage() | |
618 | { | |
619 | if (mfs) { | |
620 | fprintf(stderr, | |
990775e9 KM |
621 | "usage: %s [ -fsoptions ] special-device mount-point\n", |
622 | progname); | |
fcc01f65 KB |
623 | } else |
624 | fprintf(stderr, | |
990775e9 KM |
625 | "usage: %s [ -fsoptions ] special-device%s\n", |
626 | progname, | |
fcc01f65 KB |
627 | #ifdef COMPAT |
628 | " [device-type]"); | |
629 | #else | |
630 | ""); | |
631 | #endif | |
632 | fprintf(stderr, "where fsoptions are:\n"); | |
633 | fprintf(stderr, | |
634 | "\t-N do not create file system, just print out parameters\n"); | |
450d3673 | 635 | fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n"); |
fcc01f65 KB |
636 | fprintf(stderr, "\t-S sector size\n"); |
637 | #ifdef COMPAT | |
638 | fprintf(stderr, "\t-T disktype\n"); | |
639 | #endif | |
640 | fprintf(stderr, "\t-a maximum contiguous blocks\n"); | |
641 | fprintf(stderr, "\t-b block size\n"); | |
642 | fprintf(stderr, "\t-c cylinders/group\n"); | |
643 | fprintf(stderr, "\t-d rotational delay between contiguous blocks\n"); | |
644 | fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n"); | |
645 | fprintf(stderr, "\t-f frag size\n"); | |
646 | fprintf(stderr, "\t-i number of bytes per inode\n"); | |
647 | fprintf(stderr, "\t-k sector 0 skew, per track\n"); | |
648 | fprintf(stderr, "\t-l hardware sector interleave\n"); | |
649 | fprintf(stderr, "\t-m minimum free space %%\n"); | |
650 | fprintf(stderr, "\t-n number of distinguished rotational positions\n"); | |
651 | fprintf(stderr, "\t-o optimization preference (`space' or `time')\n"); | |
652 | fprintf(stderr, "\t-p spare sectors per track\n"); | |
653 | fprintf(stderr, "\t-s file system size (sectors)\n"); | |
654 | fprintf(stderr, "\t-r revolutions/minute\n"); | |
655 | fprintf(stderr, "\t-t tracks/cylinder\n"); | |
656 | fprintf(stderr, "\t-u sectors/track\n"); | |
657 | fprintf(stderr, "\t-x spare sectors per cylinder\n"); | |
658 | exit(1); | |
a54c0b3f | 659 | } |