1 /* $NetBSD: ffs.c,v 1.74 2023/01/07 19:41:30 chs Exp $ */
2
3 /*
4 * Copyright (c) 2001 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Luke Mewburn for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37 /*
38 * Copyright (c) 1982, 1986, 1989, 1993
39 * The Regents of the University of California. All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * @(#)ffs_alloc.c 8.19 (Berkeley) 7/13/95
66 */
67
68 #if HAVE_NBTOOL_CONFIG_H
69 #include "nbtool_config.h"
70 #endif
71
72 #include <sys/cdefs.h>
73 #if defined(__RCSID) && !defined(__lint)
74 __RCSID("$NetBSD: ffs.c,v 1.74 2023/01/07 19:41:30 chs Exp $");
75 #endif /* !__lint */
76
77 #include <sys/param.h>
78
79 #if !HAVE_NBTOOL_CONFIG_H
80 #include <sys/mount.h>
81 #endif
82
83 #include <assert.h>
84 #include <errno.h>
85 #include <fcntl.h>
86 #include <stdarg.h>
87 #include <stdio.h>
88 #include <stdlib.h>
89 #include <string.h>
90 #include <unistd.h>
91 #include <util.h>
92
93 #include "makefs.h"
94 #include "ffs.h"
95
96 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
97 #include <sys/statvfs.h>
98 #endif
99
100 #include <ufs/ufs/dinode.h>
101 #include <ufs/ufs/dir.h>
102 #include <ufs/ffs/fs.h>
103 #include <ufs/ufs/ufs_bswap.h>
104
105 #include "ffs/ufs_inode.h"
106 #include "ffs/newfs_extern.h"
107 #include "ffs/ffs_extern.h"
108
109 #undef DIP
110 #define DIP(dp, field) \
111 ((ffs_opts->version == 1) ? \
112 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field)
113
114 /*
115 * Various file system defaults (cribbed from newfs(8)).
116 */
117 #define DFL_FRAGSIZE 1024 /* fragment size */
118 #define DFL_BLKSIZE 8192 /* block size */
119 #define DFL_SECSIZE 512 /* sector size */
120 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */
121 #define DFL_FRAGSPERINODE 4 /* fragments per inode */
122 #define DFL_ROTDELAY 0 /* rotational delay */
123 #define DFL_NRPOS 1 /* rotational positions */
124 #define DFL_RPM 3600 /* rpm of disk */
125 #define DFL_NSECTORS 64 /* # of sectors */
126 #define DFL_NTRACKS 16 /* # of tracks */
127
128
129 typedef struct {
130 u_char *buf; /* buf for directory */
131 doff_t size; /* full size of buf */
132 doff_t cur; /* offset of current entry */
133 } dirbuf_t;
134
135
136 static int ffs_create_image(const char *, fsinfo_t *);
137 static void ffs_dump_fsinfo(fsinfo_t *);
138 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int);
139 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int);
140 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *);
141 static void ffs_size_dir(fsnode *, fsinfo_t *);
142 static void ffs_validate(const char *, fsnode *, fsinfo_t *);
143 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *);
144 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *);
145 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *,
146 fsnode *, fsinfo_t *);
147 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *,
148 fsnode *, fsinfo_t *);
149
150
151
152 /* publicly visible functions */
153 void
ffs_prep_opts(fsinfo_t * fsopts)154 ffs_prep_opts(fsinfo_t *fsopts)
155 {
156 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts));
157
158 const option_t ffs_options[] = {
159 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32,
160 1, INT_MAX, "block size" },
161 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32,
162 1, INT_MAX, "fragment size" },
163 { 'd', "density", &ffs_opts->density, OPT_INT32,
164 1, INT_MAX, "bytes per inode" },
165 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32,
166 0, 99, "minfree" },
167 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32,
168 1, INT_MAX, "max blocks per file in a cg" },
169 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32,
170 1, INT_MAX, "expected average file size" },
171 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32,
172 1, INT_MAX, "expected # of files per directory" },
173 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32,
174 1, INT_MAX, "maximum # extent size" },
175 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32,
176 1, INT_MAX, "max # of blocks per group" },
177 { 'v', "version", &ffs_opts->version, OPT_INT32,
178 1, 2, "UFS version" },
179 { 'o', "optimization", NULL, OPT_STRBUF,
180 0, 0, "Optimization (time|space)" },
181 { 'l', "label", ffs_opts->label, OPT_STRARRAY,
182 1, sizeof(ffs_opts->label), "UFS label" },
183 { 'e', "extattr", &ffs_opts->extattr, OPT_INT32,
184 0, 1, "extattr support" },
185 { .name = NULL }
186 };
187
188 ffs_opts->bsize= -1;
189 ffs_opts->fsize= -1;
190 ffs_opts->cpg= -1;
191 ffs_opts->density= -1;
192 ffs_opts->minfree= -1;
193 ffs_opts->optimization= -1;
194 ffs_opts->maxcontig= -1;
195 ffs_opts->maxbpg= -1;
196 ffs_opts->avgfilesize= -1;
197 ffs_opts->avgfpdir= -1;
198 ffs_opts->version = 1;
199 ffs_opts->extattr = 1;
200
201 fsopts->fs_specific = ffs_opts;
202 fsopts->fs_options = copy_opts(ffs_options);
203 }
204
205 void
ffs_cleanup_opts(fsinfo_t * fsopts)206 ffs_cleanup_opts(fsinfo_t *fsopts)
207 {
208 free(fsopts->fs_specific);
209 free(fsopts->fs_options);
210 }
211
212 int
ffs_parse_opts(const char * option,fsinfo_t * fsopts)213 ffs_parse_opts(const char *option, fsinfo_t *fsopts)
214 {
215 ffs_opt_t *ffs_opts = fsopts->fs_specific;
216 option_t *ffs_options = fsopts->fs_options;
217 char buf[1024];
218
219 int rv;
220
221 assert(option != NULL);
222 assert(fsopts != NULL);
223 assert(ffs_opts != NULL);
224
225 if (debug & DEBUG_FS_PARSE_OPTS)
226 printf("ffs_parse_opts: got `%s'\n", option);
227
228 rv = set_option(ffs_options, option, buf, sizeof(buf));
229 if (rv == -1)
230 return 0;
231
232 if (ffs_options[rv].name == NULL)
233 abort();
234
235 switch (ffs_options[rv].letter) {
236 case 'o':
237 if (strcmp(buf, "time") == 0) {
238 ffs_opts->optimization = FS_OPTTIME;
239 } else if (strcmp(buf, "space") == 0) {
240 ffs_opts->optimization = FS_OPTSPACE;
241 } else {
242 warnx("Invalid optimization `%s'", buf);
243 return 0;
244 }
245 break;
246 default:
247 break;
248 }
249 return 1;
250 }
251
252
253 void
ffs_makefs(const char * image,const char * dir,fsnode * root,fsinfo_t * fsopts)254 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts)
255 {
256 struct fs *superblock;
257 struct timeval start;
258
259 assert(image != NULL);
260 assert(dir != NULL);
261 assert(root != NULL);
262 assert(fsopts != NULL);
263
264 if (debug & DEBUG_FS_MAKEFS)
265 printf("ffs_makefs: image %s directory %s root %p\n",
266 image, dir, root);
267
268 /* validate tree and options */
269 TIMER_START(start);
270 ffs_validate(dir, root, fsopts);
271 TIMER_RESULTS(start, "ffs_validate");
272
273 printf("Calculated size of `%s': %lld bytes, %lld inodes\n",
274 image, (long long)fsopts->size, (long long)fsopts->inodes);
275
276 /* create image */
277 TIMER_START(start);
278 if (ffs_create_image(image, fsopts) == -1)
279 errx(1, "Image file `%s' not created.", image);
280 TIMER_RESULTS(start, "ffs_create_image");
281
282 fsopts->curinode = UFS_ROOTINO;
283
284 if (debug & DEBUG_FS_MAKEFS)
285 putchar('\n');
286
287 /* populate image */
288 printf("Populating `%s'\n", image);
289 TIMER_START(start);
290 if (! ffs_populate_dir(dir, root, fsopts))
291 errx(1, "Image file `%s' not populated.", image);
292 TIMER_RESULTS(start, "ffs_populate_dir");
293
294 /* ensure no outstanding buffers remain */
295 if (debug & DEBUG_FS_MAKEFS)
296 bcleanup();
297
298 /* update various superblock parameters */
299 superblock = fsopts->superblock;
300 superblock->fs_fmod = 0;
301 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir;
302 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree;
303 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree;
304 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree;
305
306 /* write out superblock; image is now complete */
307 ffs_write_superblock(fsopts->superblock, fsopts);
308 if (close(fsopts->fd) == -1)
309 err(1, "Closing `%s'", image);
310 fsopts->fd = -1;
311 printf("Image `%s' complete\n", image);
312 }
313
314 /* end of public functions */
315
316
317 static void
ffs_validate(const char * dir,fsnode * root,fsinfo_t * fsopts)318 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts)
319 {
320 int32_t ncg = 1;
321 #if notyet
322 int32_t spc, nspf, ncyl, fssize;
323 #endif
324 ffs_opt_t *ffs_opts = fsopts->fs_specific;
325
326 assert(dir != NULL);
327 assert(root != NULL);
328 assert(fsopts != NULL);
329 assert(ffs_opts != NULL);
330
331 if (debug & DEBUG_FS_VALIDATE) {
332 printf("ffs_validate: before defaults set:\n");
333 ffs_dump_fsinfo(fsopts);
334 }
335
336 /* set FFS defaults */
337 if (fsopts->sectorsize == -1)
338 fsopts->sectorsize = DFL_SECSIZE;
339 if (ffs_opts->fsize == -1)
340 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize);
341 if (ffs_opts->bsize == -1)
342 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize);
343 if (ffs_opts->cpg == -1)
344 ffs_opts->cpg = DFL_CYLSPERGROUP;
345 else
346 ffs_opts->cpgflg = 1;
347 /* fsopts->density is set below */
348 if (ffs_opts->nsectors == -1)
349 ffs_opts->nsectors = DFL_NSECTORS;
350 if (ffs_opts->minfree == -1)
351 ffs_opts->minfree = MINFREE;
352 if (ffs_opts->optimization == -1)
353 ffs_opts->optimization = DEFAULTOPT;
354 if (ffs_opts->maxcontig == -1)
355 ffs_opts->maxcontig =
356 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize);
357 /* XXX ondisk32 */
358 if (ffs_opts->maxbpg == -1)
359 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t);
360 if (ffs_opts->avgfilesize == -1)
361 ffs_opts->avgfilesize = AVFILESIZ;
362 if (ffs_opts->avgfpdir == -1)
363 ffs_opts->avgfpdir = AFPDIR;
364
365 /* calculate size of tree */
366 ffs_size_dir(root, fsopts);
367 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */
368
369 if (debug & DEBUG_FS_VALIDATE)
370 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n",
371 (long long)fsopts->size, (long long)fsopts->inodes);
372
373 /* add requested slop */
374 fsopts->size += fsopts->freeblocks;
375 fsopts->inodes += fsopts->freefiles;
376 if (fsopts->freefilepc > 0)
377 fsopts->inodes =
378 fsopts->inodes * (100 + fsopts->freefilepc) / 100;
379 if (fsopts->freeblockpc > 0)
380 fsopts->size =
381 fsopts->size * (100 + fsopts->freeblockpc) / 100;
382
383 /* add space needed for superblocks */
384 /*
385 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is
386 * typically used for small filesystems where space matters.
387 * XXX make this an option.
388 */
389 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg;
390 /* add space needed to store inodes, x3 for blockmaps, etc */
391 if (ffs_opts->version == 1)
392 fsopts->size += ncg * DINODE1_SIZE *
393 roundup(fsopts->inodes / ncg,
394 ffs_opts->bsize / DINODE1_SIZE);
395 else
396 fsopts->size += ncg * DINODE2_SIZE *
397 roundup(fsopts->inodes / ncg,
398 ffs_opts->bsize / DINODE2_SIZE);
399
400 /* add minfree */
401 if (ffs_opts->minfree > 0)
402 fsopts->size =
403 fsopts->size * (100 + ffs_opts->minfree) / 100;
404 /*
405 * XXX any other fs slop to add, such as csum's, bitmaps, etc ??
406 */
407
408 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */
409 fsopts->size = fsopts->minsize;
410
411 /* round up to the next block */
412 fsopts->size = roundup(fsopts->size, ffs_opts->bsize);
413
414 /* calculate density if necessary */
415 if (ffs_opts->density == -1)
416 ffs_opts->density = fsopts->size / fsopts->inodes + 1;
417
418 if (debug & DEBUG_FS_VALIDATE) {
419 printf("ffs_validate: after defaults set:\n");
420 ffs_dump_fsinfo(fsopts);
421 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n",
422 dir, (long long)fsopts->size, (long long)fsopts->inodes);
423 }
424 /* now check calculated sizes vs requested sizes */
425 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) {
426 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.",
427 dir, (long long)fsopts->size, (long long)fsopts->maxsize);
428 }
429 }
430
431
432 static void
ffs_dump_fsinfo(fsinfo_t * f)433 ffs_dump_fsinfo(fsinfo_t *f)
434 {
435
436 ffs_opt_t *fs = f->fs_specific;
437
438 printf("fsopts at %p\n", f);
439
440 printf("\tsize %lld, inodes %lld, curinode %u\n",
441 (long long)f->size, (long long)f->inodes, f->curinode);
442
443 printf("\tminsize %lld, maxsize %lld\n",
444 (long long)f->minsize, (long long)f->maxsize);
445 printf("\tfree files %lld, freefile %% %d\n",
446 (long long)f->freefiles, f->freefilepc);
447 printf("\tfree blocks %lld, freeblock %% %d\n",
448 (long long)f->freeblocks, f->freeblockpc);
449 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize);
450
451 printf("\tbsize %d, fsize %d, cpg %d, density %d\n",
452 fs->bsize, fs->fsize, fs->cpg, fs->density);
453 printf("\tnsectors %d, rpm %d, minfree %d\n",
454 fs->nsectors, fs->rpm, fs->minfree);
455 printf("\tmaxcontig %d, maxbpg %d\n",
456 fs->maxcontig, fs->maxbpg);
457 printf("\toptimization %s\n",
458 fs->optimization == FS_OPTSPACE ? "space" : "time");
459 }
460
461
462 static int
ffs_create_image(const char * image,fsinfo_t * fsopts)463 ffs_create_image(const char *image, fsinfo_t *fsopts)
464 {
465 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
466 struct statvfs sfs;
467 #endif
468 struct fs *fs;
469 char *buf;
470 int i, bufsize;
471 off_t bufrem;
472 time_t tstamp;
473 int oflags = O_RDWR | O_CREAT;
474
475 assert (image != NULL);
476 assert (fsopts != NULL);
477
478 /* create image */
479 if (fsopts->offset == 0)
480 oflags |= O_TRUNC;
481 if ((fsopts->fd = open(image, oflags, 0666)) == -1) {
482 warn("Can't open `%s' for writing", image);
483 return (-1);
484 }
485
486 /* zero image */
487 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
488 if (fstatvfs(fsopts->fd, &sfs) == -1) {
489 #endif
490 bufsize = 8192;
491 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
492 warn("can't fstatvfs `%s', using default %d byte chunk",
493 image, bufsize);
494 } else
495 bufsize = sfs.f_iosize;
496 #endif
497 bufrem = fsopts->size;
498
499 if (fsopts->sparse) {
500 if (ftruncate(fsopts->fd, bufrem) == -1) {
501 printf ("ERROR in truncate. Sparse option disabled\n");
502 fsopts->sparse = 0;
503 } else {
504 bufrem = 0; /* File truncated at bufrem. Remaining is 0 */
505 buf = NULL;
506 }
507 }
508
509 if (fsopts->offset != 0)
510 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) {
511 warn("can't seek");
512 return -1;
513 }
514
515 if ((debug & DEBUG_FS_CREATE_IMAGE) && fsopts->sparse == 0)
516 printf(
517 "zero-ing image `%s', %lld sectors, using %d byte chunks\n",
518 image, (long long)bufrem, bufsize);
519 if (bufrem > 0)
520 buf = ecalloc(1, bufsize);
521 while (bufrem > 0) {
522 i = write(fsopts->fd, buf, MIN(bufsize, bufrem));
523 if (i == -1) {
524 warn("zeroing image, %lld bytes to go",
525 (long long)bufrem);
526 free(buf);
527 return (-1);
528 }
529 bufrem -= i;
530 }
531 if (buf)
532 free(buf);
533
534 /* make the file system */
535 if (debug & DEBUG_FS_CREATE_IMAGE)
536 printf("calling mkfs(\"%s\", ...)\n", image);
537
538 if (stampst.st_ino)
539 tstamp = stampst.st_ctime;
540 else
541 tstamp = start_time.tv_sec;
542
543 srandom(tstamp);
544
545 fs = ffs_mkfs(image, fsopts, tstamp);
546 fsopts->superblock = (void *)fs;
547 if (debug & DEBUG_FS_CREATE_IMAGE) {
548 time_t t;
549
550 t = (time_t)((struct fs *)fsopts->superblock)->fs_time;
551 printf("mkfs returned %p; fs_time %s",
552 fsopts->superblock, ctime(&t));
553 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n",
554 (long long)fs->fs_cstotal.cs_nbfree,
555 (long long)fs->fs_cstotal.cs_nffree,
556 (long long)fs->fs_cstotal.cs_nifree,
557 (long long)fs->fs_cstotal.cs_ndir);
558 }
559
560 if ((off_t)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO) < fsopts->inodes) {
561 warnx(
562 "Image file `%s' has %lld free inodes; %lld are required.",
563 image,
564 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO),
565 (long long)fsopts->inodes);
566 return (-1);
567 }
568 return (fsopts->fd);
569 }
570
571
572 static void
ffs_size_dir(fsnode * root,fsinfo_t * fsopts)573 ffs_size_dir(fsnode *root, fsinfo_t *fsopts)
574 {
575 struct direct tmpdir;
576 fsnode * node;
577 int curdirsize, this;
578 ffs_opt_t *ffs_opts = fsopts->fs_specific;
579
580 /* node may be NULL (empty directory) */
581 assert(fsopts != NULL);
582 assert(ffs_opts != NULL);
583
584 if (debug & DEBUG_FS_SIZE_DIR)
585 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n",
586 (long long)fsopts->size, (long long)fsopts->inodes);
587
588 #define ADDDIRENT(e) do { \
589 tmpdir.d_namlen = strlen((e)); \
590 this = UFS_DIRSIZ(0, &tmpdir, 0); \
591 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \
592 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \
593 e, tmpdir.d_namlen, this, curdirsize); \
594 if (this + curdirsize > roundup(curdirsize, UFS_DIRBLKSIZ)) \
595 curdirsize = roundup(curdirsize, UFS_DIRBLKSIZ); \
596 curdirsize += this; \
597 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \
598 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \
599 e, tmpdir.d_namlen, this, curdirsize); \
600 } while (0);
601
602 /*
603 * XXX this needs to take into account extra space consumed
604 * by indirect blocks, etc.
605 */
606 #define ADDSIZE(x) do { \
607 fsopts->size += roundup((x), ffs_opts->fsize); \
608 } while (0);
609
610 curdirsize = 0;
611 for (node = root; node != NULL; node = node->next) {
612 ADDDIRENT(node->name);
613 if (node == root) { /* we're at "." */
614 assert(strcmp(node->name, ".") == 0);
615 ADDDIRENT("..");
616 } else if ((node->inode->flags & FI_SIZED) == 0) {
617 /* don't count duplicate names */
618 node->inode->flags |= FI_SIZED;
619 if (debug & DEBUG_FS_SIZE_DIR_NODE)
620 printf("ffs_size_dir: `%s' size %lld\n",
621 node->name,
622 (long long)node->inode->st.st_size);
623 fsopts->inodes++;
624 if (node->type == S_IFREG)
625 ADDSIZE(node->inode->st.st_size);
626 if (node->type == S_IFLNK) {
627 size_t slen;
628
629 slen = strlen(node->symlink) + 1;
630 if (slen >= (ffs_opts->version == 1 ?
631 UFS1_MAXSYMLINKLEN :
632 UFS2_MAXSYMLINKLEN))
633 ADDSIZE(slen);
634 }
635 }
636 if (node->type == S_IFDIR)
637 ffs_size_dir(node->child, fsopts);
638 }
639 ADDSIZE(curdirsize);
640
641 if (debug & DEBUG_FS_SIZE_DIR)
642 printf("ffs_size_dir: exit: size %lld inodes %lld\n",
643 (long long)fsopts->size, (long long)fsopts->inodes);
644 }
645
646 static void *
ffs_build_dinode1(struct ufs1_dinode * dinp,dirbuf_t * dbufp,fsnode * cur,fsnode * root,fsinfo_t * fsopts)647 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur,
648 fsnode *root, fsinfo_t *fsopts)
649 {
650 size_t slen;
651 void *membuf;
652 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st;
653
654 memset(dinp, 0, sizeof(*dinp));
655 dinp->di_mode = cur->inode->st.st_mode;
656 dinp->di_nlink = cur->inode->nlink;
657 dinp->di_size = cur->inode->st.st_size;
658 #if HAVE_STRUCT_STAT_ST_FLAGS
659 dinp->di_flags = cur->inode->st.st_flags;
660 #endif
661 #if HAVE_STRUCT_STAT_ST_GEN
662 dinp->di_gen = cur->inode->st.st_gen;
663 #endif
664 dinp->di_uid = cur->inode->st.st_uid;
665 dinp->di_gid = cur->inode->st.st_gid;
666
667 dinp->di_atime = st->st_atime;
668 dinp->di_mtime = st->st_mtime;
669 dinp->di_ctime = st->st_ctime;
670 #if HAVE_STRUCT_STAT_ST_MTIMENSEC
671 dinp->di_atimensec = st->st_atimensec;
672 dinp->di_mtimensec = st->st_mtimensec;
673 dinp->di_ctimensec = st->st_ctimensec;
674 #endif
675 /* not set: di_db, di_ib, di_blocks, di_spare */
676
677 membuf = NULL;
678 if (cur == root) { /* "."; write dirbuf */
679 membuf = dbufp->buf;
680 dinp->di_size = dbufp->size;
681 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) {
682 dinp->di_size = 0; /* a device */
683 dinp->di_rdev =
684 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap);
685 } else if (S_ISLNK(cur->type)) { /* symlink */
686 slen = strlen(cur->symlink);
687 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */
688 memcpy(dinp->di_db, cur->symlink, slen);
689 } else
690 membuf = cur->symlink;
691 dinp->di_size = slen;
692 }
693 return membuf;
694 }
695
696 static void *
ffs_build_dinode2(struct ufs2_dinode * dinp,dirbuf_t * dbufp,fsnode * cur,fsnode * root,fsinfo_t * fsopts)697 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur,
698 fsnode *root, fsinfo_t *fsopts)
699 {
700 size_t slen;
701 void *membuf;
702 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st;
703
704 memset(dinp, 0, sizeof(*dinp));
705 dinp->di_mode = cur->inode->st.st_mode;
706 dinp->di_nlink = cur->inode->nlink;
707 dinp->di_size = cur->inode->st.st_size;
708 #if HAVE_STRUCT_STAT_ST_FLAGS
709 dinp->di_flags = cur->inode->st.st_flags;
710 #endif
711 #if HAVE_STRUCT_STAT_ST_GEN
712 dinp->di_gen = cur->inode->st.st_gen;
713 #endif
714 dinp->di_uid = cur->inode->st.st_uid;
715 dinp->di_gid = cur->inode->st.st_gid;
716
717 dinp->di_atime = st->st_atime;
718 dinp->di_mtime = st->st_mtime;
719 dinp->di_ctime = st->st_ctime;
720 #if HAVE_STRUCT_STAT_ST_MTIMENSEC
721 dinp->di_atimensec = st->st_atimensec;
722 dinp->di_mtimensec = st->st_mtimensec;
723 dinp->di_ctimensec = st->st_ctimensec;
724 #endif
725 #if HAVE_STRUCT_STAT_BIRTHTIME
726 dinp->di_birthtime = st->st_birthtime;
727 dinp->di_birthnsec = st->st_birthtimensec;
728 #endif
729 /* not set: di_db, di_ib, di_blocks, di_spare */
730
731 membuf = NULL;
732 if (cur == root) { /* "."; write dirbuf */
733 membuf = dbufp->buf;
734 dinp->di_size = dbufp->size;
735 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) {
736 dinp->di_size = 0; /* a device */
737 dinp->di_rdev =
738 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap);
739 } else if (S_ISLNK(cur->type)) { /* symlink */
740 slen = strlen(cur->symlink);
741 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */
742 memcpy(dinp->di_db, cur->symlink, slen);
743 } else
744 membuf = cur->symlink;
745 dinp->di_size = slen;
746 }
747 return membuf;
748 }
749
750 static int
ffs_populate_dir(const char * dir,fsnode * root,fsinfo_t * fsopts)751 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts)
752 {
753 fsnode *cur;
754 dirbuf_t dirbuf;
755 union dinode din;
756 void *membuf;
757 char path[MAXPATHLEN + 1];
758 ffs_opt_t *ffs_opts = fsopts->fs_specific;
759
760 assert(dir != NULL);
761 assert(root != NULL);
762 assert(fsopts != NULL);
763 assert(ffs_opts != NULL);
764
765 (void)memset(&dirbuf, 0, sizeof(dirbuf));
766
767 if (debug & DEBUG_FS_POPULATE)
768 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root);
769
770 /*
771 * pass 1: allocate inode numbers, build directory `file'
772 */
773 for (cur = root; cur != NULL; cur = cur->next) {
774 if ((cur->inode->flags & FI_ALLOCATED) == 0) {
775 cur->inode->flags |= FI_ALLOCATED;
776 if (cur == root && cur->parent != NULL)
777 cur->inode->ino = cur->parent->inode->ino;
778 else {
779 cur->inode->ino = fsopts->curinode;
780 fsopts->curinode++;
781 }
782 }
783 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap);
784 if (cur == root) { /* we're at "."; add ".." */
785 ffs_make_dirbuf(&dirbuf, "..",
786 cur->parent == NULL ? cur : cur->parent->first,
787 fsopts->needswap);
788 root->inode->nlink++; /* count my parent's link */
789 } else if (cur->child != NULL)
790 root->inode->nlink++; /* count my child's link */
791
792 /*
793 * XXX possibly write file and long symlinks here,
794 * ensuring that blocks get written before inodes?
795 * otoh, this isn't a real filesystem, so who
796 * cares about ordering? :-)
797 */
798 }
799 if (debug & DEBUG_FS_POPULATE_DIRBUF)
800 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap);
801
802 /*
803 * pass 2: write out dirbuf, then non-directories at this level
804 */
805 if (debug & DEBUG_FS_POPULATE)
806 printf("ffs_populate_dir: PASS 2 dir %s\n", dir);
807 for (cur = root; cur != NULL; cur = cur->next) {
808 if (cur->inode->flags & FI_WRITTEN)
809 continue; /* skip hard-linked entries */
810 cur->inode->flags |= FI_WRITTEN;
811
812 if ((size_t)snprintf(path, sizeof(path), "%s/%s/%s", cur->root,
813 cur->path, cur->name) >= sizeof(path))
814 errx(1, "Pathname too long.");
815
816 if (cur->child != NULL)
817 continue; /* child creates own inode */
818
819 /* build on-disk inode */
820 if (ffs_opts->version == 1)
821 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur,
822 root, fsopts);
823 else
824 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur,
825 root, fsopts);
826
827 if (debug & DEBUG_FS_POPULATE_NODE) {
828 printf("ffs_populate_dir: writing ino %d, %s",
829 cur->inode->ino, inode_type(cur->type));
830 if (cur->inode->nlink > 1)
831 printf(", nlink %d", cur->inode->nlink);
832 putchar('\n');
833 }
834
835 if (membuf != NULL) {
836 ffs_write_file(&din, cur->inode->ino, membuf, fsopts);
837 } else if (S_ISREG(cur->type)) {
838 ffs_write_file(&din, cur->inode->ino, path, fsopts);
839 } else {
840 assert (! S_ISDIR(cur->type));
841 ffs_write_inode(&din, cur->inode->ino, fsopts);
842 }
843 }
844
845 /*
846 * pass 3: write out sub-directories
847 */
848 if (debug & DEBUG_FS_POPULATE)
849 printf("ffs_populate_dir: PASS 3 dir %s\n", dir);
850 for (cur = root; cur != NULL; cur = cur->next) {
851 if (cur->child == NULL)
852 continue;
853 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir,
854 cur->name) >= sizeof(path))
855 errx(1, "Pathname too long.");
856 if (! ffs_populate_dir(path, cur->child, fsopts))
857 return (0);
858 }
859
860 if (debug & DEBUG_FS_POPULATE)
861 printf("ffs_populate_dir: DONE dir %s\n", dir);
862
863 /* cleanup */
864 if (dirbuf.buf != NULL)
865 free(dirbuf.buf);
866 return (1);
867 }
868
869
870 static void
ffs_write_file(union dinode * din,uint32_t ino,void * buf,fsinfo_t * fsopts)871 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts)
872 {
873 int isfile, ffd;
874 char *fbuf, *p;
875 off_t bufleft, chunk, offset;
876 ssize_t nread;
877 struct inode in;
878 struct buf * bp;
879 ffs_opt_t *ffs_opts = fsopts->fs_specific;
880 struct vnode vp = { fsopts, NULL };
881
882 assert (din != NULL);
883 assert (buf != NULL);
884 assert (fsopts != NULL);
885 assert (ffs_opts != NULL);
886
887 isfile = S_ISREG(DIP(din, mode));
888 fbuf = NULL;
889 ffd = -1;
890 p = NULL;
891
892 in.i_fs = (struct fs *)fsopts->superblock;
893 in.i_devvp = &vp;
894
895 if (debug & DEBUG_FS_WRITE_FILE) {
896 printf(
897 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld",
898 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT),
899 (long long)DIP(din, size));
900 if (isfile)
901 printf(", file '%s'\n", (char *)buf);
902 else
903 printf(", buffer %p\n", buf);
904 }
905
906 in.i_number = ino;
907 in.i_size = DIP(din, size);
908 if (ffs_opts->version == 1)
909 memcpy(&in.i_din.ffs1_din, &din->ffs1_din,
910 sizeof(in.i_din.ffs1_din));
911 else
912 memcpy(&in.i_din.ffs2_din, &din->ffs2_din,
913 sizeof(in.i_din.ffs2_din));
914
915 if (DIP(din, size) == 0)
916 goto write_inode_and_leave; /* mmm, cheating */
917
918 if (isfile) {
919 fbuf = emalloc(ffs_opts->bsize);
920 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) {
921 warn("Can't open `%s' for reading", (char *)buf);
922 goto leave_ffs_write_file;
923 }
924 } else {
925 p = buf;
926 }
927
928 chunk = 0;
929 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) {
930 chunk = MIN(bufleft, ffs_opts->bsize);
931 if (!isfile)
932 ;
933 else if ((nread = read(ffd, fbuf, chunk)) == -1)
934 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go",
935 (char *)buf, (long long)bufleft);
936 else if (nread != chunk)
937 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, "
938 "read %zd bytes, expected %ju bytes, does "
939 "metalog size= attribute mismatch source size?",
940 (char *)buf, (long long)bufleft, nread,
941 (uintmax_t)chunk);
942 else
943 p = fbuf;
944 offset = DIP(din, size) - bufleft;
945 if (debug & DEBUG_FS_WRITE_FILE_BLOCK)
946 printf(
947 "ffs_write_file: write %p offset %lld size %lld left %lld\n",
948 p, (long long)offset,
949 (long long)chunk, (long long)bufleft);
950 /*
951 * XXX if holey support is desired, do the check here
952 *
953 * XXX might need to write out last bit in fragroundup
954 * sized chunk. however, ffs_balloc() handles this for us
955 */
956 errno = ffs_balloc(&in, offset, chunk, &bp);
957 bad_ffs_write_file:
958 if (errno != 0)
959 err(1,
960 "Writing inode %d (%s), bytes %lld + %lld",
961 ino,
962 isfile ? (char *)buf :
963 inode_type(DIP(din, mode) & S_IFMT),
964 (long long)offset, (long long)chunk);
965 memcpy(bp->b_data, p, chunk);
966 errno = bwrite(bp);
967 if (errno != 0)
968 goto bad_ffs_write_file;
969 if (!isfile)
970 p += chunk;
971 }
972
973 write_inode_and_leave:
974 ffs_write_inode(&in.i_din, in.i_number, fsopts);
975
976 leave_ffs_write_file:
977 if (fbuf)
978 free(fbuf);
979 if (ffd != -1)
980 close(ffd);
981 }
982
983
984 static void
ffs_dump_dirbuf(dirbuf_t * dbuf,const char * dir,int needswap)985 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap)
986 {
987 doff_t i;
988 struct direct *de;
989 uint16_t reclen;
990
991 assert (dbuf != NULL);
992 assert (dir != NULL);
993 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n",
994 dir, dbuf->size, dbuf->cur);
995
996 for (i = 0; i < dbuf->size; ) {
997 de = (struct direct *)(dbuf->buf + i);
998 reclen = ufs_rw16(de->d_reclen, needswap);
999 printf(
1000 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n",
1001 ufs_rw32(de->d_fileno, needswap),
1002 inode_type(DTTOIF(de->d_type)), i, reclen,
1003 de->d_namlen, de->d_name);
1004 i += reclen;
1005 assert(reclen > 0);
1006 }
1007 }
1008
1009 static void
ffs_make_dirbuf(dirbuf_t * dbuf,const char * name,fsnode * node,int needswap)1010 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap)
1011 {
1012 struct direct de, *dp;
1013 uint16_t llen, reclen;
1014 u_char *newbuf;
1015
1016 assert (dbuf != NULL);
1017 assert (name != NULL);
1018 assert (node != NULL);
1019 /* create direct entry */
1020 (void)memset(&de, 0, sizeof(de));
1021 de.d_fileno = ufs_rw32(node->inode->ino, needswap);
1022 de.d_type = IFTODT(node->type);
1023 de.d_namlen = (uint8_t)strlen(name);
1024 strcpy(de.d_name, name);
1025 reclen = UFS_DIRSIZ(0, &de, needswap);
1026 de.d_reclen = ufs_rw16(reclen, needswap);
1027
1028 dp = (struct direct *)(dbuf->buf + dbuf->cur);
1029 llen = 0;
1030 if (dp != NULL)
1031 llen = UFS_DIRSIZ(0, dp, needswap);
1032
1033 if (debug & DEBUG_FS_MAKE_DIRBUF)
1034 printf(
1035 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n"
1036 " ino %d type %d reclen %d namlen %d name %.30s\n",
1037 dbuf->size, dbuf->cur, llen,
1038 ufs_rw32(de.d_fileno, needswap), de.d_type, reclen,
1039 de.d_namlen, de.d_name);
1040
1041 if (reclen + dbuf->cur + llen > roundup(dbuf->size, UFS_DIRBLKSIZ)) {
1042 if (debug & DEBUG_FS_MAKE_DIRBUF)
1043 printf("ffs_make_dirbuf: growing buf to %d\n",
1044 dbuf->size + UFS_DIRBLKSIZ);
1045 newbuf = erealloc(dbuf->buf, dbuf->size + UFS_DIRBLKSIZ);
1046 dbuf->buf = newbuf;
1047 dbuf->size += UFS_DIRBLKSIZ;
1048 memset(dbuf->buf + dbuf->size - UFS_DIRBLKSIZ, 0, UFS_DIRBLKSIZ);
1049 dbuf->cur = dbuf->size - UFS_DIRBLKSIZ;
1050 } else if (dp) { /* shrink end of previous */
1051 dp->d_reclen = ufs_rw16(llen,needswap);
1052 dbuf->cur += llen;
1053 }
1054 dp = (struct direct *)(dbuf->buf + dbuf->cur);
1055 memcpy(dp, &de, reclen);
1056 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap);
1057 }
1058
1059 /*
1060 * cribbed from sys/ufs/ffs/ffs_alloc.c
1061 */
1062 static void
ffs_write_inode(union dinode * dp,uint32_t ino,const fsinfo_t * fsopts)1063 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts)
1064 {
1065 char *buf;
1066 struct ufs1_dinode *dp1;
1067 struct ufs2_dinode *dp2, *dip;
1068 struct cg *cgp;
1069 struct fs *fs;
1070 uint32_t cg, cgino, i;
1071 daddr_t d;
1072 char sbbuf[FFS_MAXBSIZE];
1073 uint32_t initediblk;
1074 ffs_opt_t *ffs_opts = fsopts->fs_specific;
1075
1076 assert (dp != NULL);
1077 assert (ino > 0);
1078 assert (fsopts != NULL);
1079 assert (ffs_opts != NULL);
1080
1081 fs = (struct fs *)fsopts->superblock;
1082 cg = ino_to_cg(fs, ino);
1083 cgino = ino % fs->fs_ipg;
1084 if (debug & DEBUG_FS_WRITE_INODE)
1085 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n",
1086 dp, ino, cg, cgino);
1087
1088 ffs_rdfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf,
1089 fsopts);
1090 cgp = (struct cg *)sbbuf;
1091 if (!cg_chkmagic(cgp, fsopts->needswap))
1092 errx(1, "ffs_write_inode: cg %d: bad magic number", cg);
1093
1094 assert (isclr(cg_inosused(cgp, fsopts->needswap), cgino));
1095
1096 buf = emalloc(fs->fs_bsize);
1097 dp1 = (struct ufs1_dinode *)buf;
1098 dp2 = (struct ufs2_dinode *)buf;
1099
1100 if (fs->fs_cstotal.cs_nifree == 0)
1101 errx(1, "ffs_write_inode: fs out of inodes for ino %u",
1102 ino);
1103 if (fs->fs_cs(fs, cg).cs_nifree == 0)
1104 errx(1,
1105 "ffs_write_inode: cg %d out of inodes for ino %u",
1106 cg, ino);
1107 setbit(cg_inosused(cgp, fsopts->needswap), cgino);
1108 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap);
1109 fs->fs_cstotal.cs_nifree--;
1110 fs->fs_cs(fs, cg).cs_nifree--;
1111 if (S_ISDIR(DIP(dp, mode))) {
1112 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap);
1113 fs->fs_cstotal.cs_ndir++;
1114 fs->fs_cs(fs, cg).cs_ndir++;
1115 }
1116
1117 /*
1118 * Initialize inode blocks on the fly for UFS2.
1119 */
1120 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap);
1121 while (ffs_opts->version == 2 &&
1122 (uint32_t)(cgino + FFS_INOPB(fs)) > initediblk &&
1123 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) {
1124 memset(buf, 0, fs->fs_bsize);
1125 dip = (struct ufs2_dinode *)buf;
1126 for (i = 0; i < FFS_INOPB(fs); i++) {
1127 dip->di_gen = random() / 2 + 1;
1128 dip++;
1129 }
1130 ffs_wtfs(FFS_FSBTODB(fs, ino_to_fsba(fs,
1131 cg * fs->fs_ipg + initediblk)),
1132 fs->fs_bsize, buf, fsopts);
1133 initediblk += FFS_INOPB(fs);
1134 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap);
1135 }
1136
1137
1138 ffs_wtfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf,
1139 fsopts);
1140
1141 /* now write inode */
1142 d = FFS_FSBTODB(fs, ino_to_fsba(fs, ino));
1143 ffs_rdfs(d, fs->fs_bsize, buf, fsopts);
1144 if (fsopts->needswap) {
1145 if (ffs_opts->version == 1)
1146 ffs_dinode1_swap(&dp->ffs1_din,
1147 &dp1[ino_to_fsbo(fs, ino)]);
1148 else
1149 ffs_dinode2_swap(&dp->ffs2_din,
1150 &dp2[ino_to_fsbo(fs, ino)]);
1151 } else {
1152 if (ffs_opts->version == 1)
1153 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din;
1154 else
1155 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din;
1156 }
1157 ffs_wtfs(d, fs->fs_bsize, buf, fsopts);
1158 free(buf);
1159 }
1160
1161 void
panic(const char * fmt,...)1162 panic(const char *fmt, ...)
1163 {
1164 va_list ap;
1165
1166 va_start(ap, fmt);
1167 vwarnx(fmt, ap);
1168 va_end(ap);
1169 exit(1);
1170 }
1171