1 /* $NetBSD: ffs.c,v 1.64 2015/01/12 19:50:25 christos 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 1.64 2015/01/12 19:50:25 christos 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 /* publically 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 { .name = NULL }
184 };
185
186 ffs_opts->bsize= -1;
187 ffs_opts->fsize= -1;
188 ffs_opts->cpg= -1;
189 ffs_opts->density= -1;
190 ffs_opts->minfree= -1;
191 ffs_opts->optimization= -1;
192 ffs_opts->maxcontig= -1;
193 ffs_opts->maxbpg= -1;
194 ffs_opts->avgfilesize= -1;
195 ffs_opts->avgfpdir= -1;
196 ffs_opts->version = 1;
197
198 fsopts->fs_specific = ffs_opts;
199 fsopts->fs_options = copy_opts(ffs_options);
200 }
201
202 void
ffs_cleanup_opts(fsinfo_t * fsopts)203 ffs_cleanup_opts(fsinfo_t *fsopts)
204 {
205 free(fsopts->fs_specific);
206 free(fsopts->fs_options);
207 }
208
209 int
ffs_parse_opts(const char * option,fsinfo_t * fsopts)210 ffs_parse_opts(const char *option, fsinfo_t *fsopts)
211 {
212 ffs_opt_t *ffs_opts = fsopts->fs_specific;
213 option_t *ffs_options = fsopts->fs_options;
214 char buf[1024];
215
216 int rv;
217
218 assert(option != NULL);
219 assert(fsopts != NULL);
220 assert(ffs_opts != NULL);
221
222 if (debug & DEBUG_FS_PARSE_OPTS)
223 printf("ffs_parse_opts: got `%s'\n", option);
224
225 rv = set_option(ffs_options, option, buf, sizeof(buf));
226 if (rv == -1)
227 return 0;
228
229 if (ffs_options[rv].name == NULL)
230 abort();
231
232 switch (ffs_options[rv].letter) {
233 case 'o':
234 if (strcmp(buf, "time") == 0) {
235 ffs_opts->optimization = FS_OPTTIME;
236 } else if (strcmp(buf, "space") == 0) {
237 ffs_opts->optimization = FS_OPTSPACE;
238 } else {
239 warnx("Invalid optimization `%s'", buf);
240 return 0;
241 }
242 break;
243 default:
244 break;
245 }
246 return 1;
247 }
248
249
250 void
ffs_makefs(const char * image,const char * dir,fsnode * root,fsinfo_t * fsopts)251 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts)
252 {
253 struct fs *superblock;
254 struct timeval start;
255
256 assert(image != NULL);
257 assert(dir != NULL);
258 assert(root != NULL);
259 assert(fsopts != NULL);
260
261 if (debug & DEBUG_FS_MAKEFS)
262 printf("ffs_makefs: image %s directory %s root %p\n",
263 image, dir, root);
264
265 /* validate tree and options */
266 TIMER_START(start);
267 ffs_validate(dir, root, fsopts);
268 TIMER_RESULTS(start, "ffs_validate");
269
270 printf("Calculated size of `%s': %lld bytes, %lld inodes\n",
271 image, (long long)fsopts->size, (long long)fsopts->inodes);
272
273 /* create image */
274 TIMER_START(start);
275 if (ffs_create_image(image, fsopts) == -1)
276 errx(1, "Image file `%s' not created.", image);
277 TIMER_RESULTS(start, "ffs_create_image");
278
279 fsopts->curinode = UFS_ROOTINO;
280
281 if (debug & DEBUG_FS_MAKEFS)
282 putchar('\n');
283
284 /* populate image */
285 printf("Populating `%s'\n", image);
286 TIMER_START(start);
287 if (! ffs_populate_dir(dir, root, fsopts))
288 errx(1, "Image file `%s' not populated.", image);
289 TIMER_RESULTS(start, "ffs_populate_dir");
290
291 /* ensure no outstanding buffers remain */
292 if (debug & DEBUG_FS_MAKEFS)
293 bcleanup();
294
295 /* update various superblock parameters */
296 superblock = fsopts->superblock;
297 superblock->fs_fmod = 0;
298 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir;
299 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree;
300 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree;
301 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree;
302
303 /* write out superblock; image is now complete */
304 ffs_write_superblock(fsopts->superblock, fsopts);
305 if (close(fsopts->fd) == -1)
306 err(1, "Closing `%s'", image);
307 fsopts->fd = -1;
308 printf("Image `%s' complete\n", image);
309 }
310
311 /* end of public functions */
312
313
314 static void
ffs_validate(const char * dir,fsnode * root,fsinfo_t * fsopts)315 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts)
316 {
317 int32_t ncg = 1;
318 #if notyet
319 int32_t spc, nspf, ncyl, fssize;
320 #endif
321 ffs_opt_t *ffs_opts = fsopts->fs_specific;
322
323 assert(dir != NULL);
324 assert(root != NULL);
325 assert(fsopts != NULL);
326 assert(ffs_opts != NULL);
327
328 if (debug & DEBUG_FS_VALIDATE) {
329 printf("ffs_validate: before defaults set:\n");
330 ffs_dump_fsinfo(fsopts);
331 }
332
333 /* set FFS defaults */
334 if (fsopts->sectorsize == -1)
335 fsopts->sectorsize = DFL_SECSIZE;
336 if (ffs_opts->fsize == -1)
337 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize);
338 if (ffs_opts->bsize == -1)
339 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize);
340 if (ffs_opts->cpg == -1)
341 ffs_opts->cpg = DFL_CYLSPERGROUP;
342 else
343 ffs_opts->cpgflg = 1;
344 /* fsopts->density is set below */
345 if (ffs_opts->nsectors == -1)
346 ffs_opts->nsectors = DFL_NSECTORS;
347 if (ffs_opts->minfree == -1)
348 ffs_opts->minfree = MINFREE;
349 if (ffs_opts->optimization == -1)
350 ffs_opts->optimization = DEFAULTOPT;
351 if (ffs_opts->maxcontig == -1)
352 ffs_opts->maxcontig =
353 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize);
354 /* XXX ondisk32 */
355 if (ffs_opts->maxbpg == -1)
356 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t);
357 if (ffs_opts->avgfilesize == -1)
358 ffs_opts->avgfilesize = AVFILESIZ;
359 if (ffs_opts->avgfpdir == -1)
360 ffs_opts->avgfpdir = AFPDIR;
361
362 /* calculate size of tree */
363 ffs_size_dir(root, fsopts);
364 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */
365
366 if (debug & DEBUG_FS_VALIDATE)
367 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n",
368 (long long)fsopts->size, (long long)fsopts->inodes);
369
370 /* add requested slop */
371 fsopts->size += fsopts->freeblocks;
372 fsopts->inodes += fsopts->freefiles;
373 if (fsopts->freefilepc > 0)
374 fsopts->inodes =
375 fsopts->inodes * (100 + fsopts->freefilepc) / 100;
376 if (fsopts->freeblockpc > 0)
377 fsopts->size =
378 fsopts->size * (100 + fsopts->freeblockpc) / 100;
379
380 /* add space needed for superblocks */
381 /*
382 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is
383 * typically used for small filesystems where space matters.
384 * XXX make this an option.
385 */
386 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg;
387 /* add space needed to store inodes, x3 for blockmaps, etc */
388 if (ffs_opts->version == 1)
389 fsopts->size += ncg * DINODE1_SIZE *
390 roundup(fsopts->inodes / ncg,
391 ffs_opts->bsize / DINODE1_SIZE);
392 else
393 fsopts->size += ncg * DINODE2_SIZE *
394 roundup(fsopts->inodes / ncg,
395 ffs_opts->bsize / DINODE2_SIZE);
396
397 /* add minfree */
398 if (ffs_opts->minfree > 0)
399 fsopts->size =
400 fsopts->size * (100 + ffs_opts->minfree) / 100;
401 /*
402 * XXX any other fs slop to add, such as csum's, bitmaps, etc ??
403 */
404
405 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */
406 fsopts->size = fsopts->minsize;
407
408 /* round up to the next block */
409 fsopts->size = roundup(fsopts->size, ffs_opts->bsize);
410
411 /* calculate density if necessary */
412 if (ffs_opts->density == -1)
413 ffs_opts->density = fsopts->size / fsopts->inodes + 1;
414
415 if (debug & DEBUG_FS_VALIDATE) {
416 printf("ffs_validate: after defaults set:\n");
417 ffs_dump_fsinfo(fsopts);
418 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n",
419 dir, (long long)fsopts->size, (long long)fsopts->inodes);
420 }
421 /* now check calculated sizes vs requested sizes */
422 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) {
423 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.",
424 dir, (long long)fsopts->size, (long long)fsopts->maxsize);
425 }
426 }
427
428
429 static void
ffs_dump_fsinfo(fsinfo_t * f)430 ffs_dump_fsinfo(fsinfo_t *f)
431 {
432
433 ffs_opt_t *fs = f->fs_specific;
434
435 printf("fsopts at %p\n", f);
436
437 printf("\tsize %lld, inodes %lld, curinode %u\n",
438 (long long)f->size, (long long)f->inodes, f->curinode);
439
440 printf("\tminsize %lld, maxsize %lld\n",
441 (long long)f->minsize, (long long)f->maxsize);
442 printf("\tfree files %lld, freefile %% %d\n",
443 (long long)f->freefiles, f->freefilepc);
444 printf("\tfree blocks %lld, freeblock %% %d\n",
445 (long long)f->freeblocks, f->freeblockpc);
446 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize);
447
448 printf("\tbsize %d, fsize %d, cpg %d, density %d\n",
449 fs->bsize, fs->fsize, fs->cpg, fs->density);
450 printf("\tnsectors %d, rpm %d, minfree %d\n",
451 fs->nsectors, fs->rpm, fs->minfree);
452 printf("\tmaxcontig %d, maxbpg %d\n",
453 fs->maxcontig, fs->maxbpg);
454 printf("\toptimization %s\n",
455 fs->optimization == FS_OPTSPACE ? "space" : "time");
456 }
457
458
459 static int
ffs_create_image(const char * image,fsinfo_t * fsopts)460 ffs_create_image(const char *image, fsinfo_t *fsopts)
461 {
462 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
463 struct statvfs sfs;
464 #endif
465 struct fs *fs;
466 char *buf;
467 int i, bufsize;
468 off_t bufrem;
469 int oflags = O_RDWR | O_CREAT;
470
471 assert (image != NULL);
472 assert (fsopts != NULL);
473
474 /* create image */
475 if (fsopts->offset == 0)
476 oflags |= O_TRUNC;
477 if ((fsopts->fd = open(image, oflags, 0666)) == -1) {
478 warn("Can't open `%s' for writing", image);
479 return (-1);
480 }
481
482 /* zero image */
483 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
484 if (fstatvfs(fsopts->fd, &sfs) == -1) {
485 #endif
486 bufsize = 8192;
487 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS
488 warn("can't fstatvfs `%s', using default %d byte chunk",
489 image, bufsize);
490 } else
491 bufsize = sfs.f_iosize;
492 #endif
493 bufrem = fsopts->size;
494
495 if (fsopts->sparse) {
496 if (ftruncate(fsopts->fd, bufrem) == -1) {
497 printf ("ERROR in truncate. Sparse option disabled\n");
498 fsopts->sparse = 0;
499 } else {
500 bufrem = 0; /* File truncated at bufrem. Remaining is 0 */
501 buf = NULL;
502 }
503 }
504
505 if (fsopts->offset != 0)
506 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) {
507 warn("can't seek");
508 return -1;
509 }
510
511 if ((debug & DEBUG_FS_CREATE_IMAGE) && fsopts->sparse == 0)
512 printf(
513 "zero-ing image `%s', %lld sectors, using %d byte chunks\n",
514 image, (long long)bufrem, bufsize);
515 if (bufrem > 0)
516 buf = ecalloc(1, bufsize);
517 while (bufrem > 0) {
518 i = write(fsopts->fd, buf, MIN(bufsize, bufrem));
519 if (i == -1) {
520 warn("zeroing image, %lld bytes to go",
521 (long long)bufrem);
522 free(buf);
523 return (-1);
524 }
525 bufrem -= i;
526 }
527 if (buf)
528 free(buf);
529
530 /* make the file system */
531 if (debug & DEBUG_FS_CREATE_IMAGE)
532 printf("calling mkfs(\"%s\", ...)\n", image);
533 fs = ffs_mkfs(image, fsopts);
534 fsopts->superblock = (void *)fs;
535 if (debug & DEBUG_FS_CREATE_IMAGE) {
536 time_t t;
537
538 t = (time_t)((struct fs *)fsopts->superblock)->fs_time;
539 printf("mkfs returned %p; fs_time %s",
540 fsopts->superblock, ctime(&t));
541 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n",
542 (long long)fs->fs_cstotal.cs_nbfree,
543 (long long)fs->fs_cstotal.cs_nffree,
544 (long long)fs->fs_cstotal.cs_nifree,
545 (long long)fs->fs_cstotal.cs_ndir);
546 }
547
548 if ((off_t)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO) < fsopts->inodes) {
549 warnx(
550 "Image file `%s' has %lld free inodes; %lld are required.",
551 image,
552 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO),
553 (long long)fsopts->inodes);
554 return (-1);
555 }
556 return (fsopts->fd);
557 }
558
559
560 static void
ffs_size_dir(fsnode * root,fsinfo_t * fsopts)561 ffs_size_dir(fsnode *root, fsinfo_t *fsopts)
562 {
563 struct direct tmpdir;
564 fsnode * node;
565 int curdirsize, this;
566 ffs_opt_t *ffs_opts = fsopts->fs_specific;
567
568 /* node may be NULL (empty directory) */
569 assert(fsopts != NULL);
570 assert(ffs_opts != NULL);
571
572 if (debug & DEBUG_FS_SIZE_DIR)
573 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n",
574 (long long)fsopts->size, (long long)fsopts->inodes);
575
576 #define ADDDIRENT(e) do { \
577 tmpdir.d_namlen = strlen((e)); \
578 this = UFS_DIRSIZ(0, &tmpdir, 0); \
579 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \
580 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \
581 e, tmpdir.d_namlen, this, curdirsize); \
582 if (this + curdirsize > roundup(curdirsize, UFS_DIRBLKSIZ)) \
583 curdirsize = roundup(curdirsize, UFS_DIRBLKSIZ); \
584 curdirsize += this; \
585 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \
586 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \
587 e, tmpdir.d_namlen, this, curdirsize); \
588 } while (0);
589
590 /*
591 * XXX this needs to take into account extra space consumed
592 * by indirect blocks, etc.
593 */
594 #define ADDSIZE(x) do { \
595 fsopts->size += roundup((x), ffs_opts->fsize); \
596 } while (0);
597
598 curdirsize = 0;
599 for (node = root; node != NULL; node = node->next) {
600 ADDDIRENT(node->name);
601 if (node == root) { /* we're at "." */
602 assert(strcmp(node->name, ".") == 0);
603 ADDDIRENT("..");
604 } else if ((node->inode->flags & FI_SIZED) == 0) {
605 /* don't count duplicate names */
606 node->inode->flags |= FI_SIZED;
607 if (debug & DEBUG_FS_SIZE_DIR_NODE)
608 printf("ffs_size_dir: `%s' size %lld\n",
609 node->name,
610 (long long)node->inode->st.st_size);
611 fsopts->inodes++;
612 if (node->type == S_IFREG)
613 ADDSIZE(node->inode->st.st_size);
614 if (node->type == S_IFLNK) {
615 size_t slen;
616
617 slen = strlen(node->symlink) + 1;
618 if (slen >= (ffs_opts->version == 1 ?
619 UFS1_MAXSYMLINKLEN :
620 UFS2_MAXSYMLINKLEN))
621 ADDSIZE(slen);
622 }
623 }
624 if (node->type == S_IFDIR)
625 ffs_size_dir(node->child, fsopts);
626 }
627 ADDSIZE(curdirsize);
628
629 if (debug & DEBUG_FS_SIZE_DIR)
630 printf("ffs_size_dir: exit: size %lld inodes %lld\n",
631 (long long)fsopts->size, (long long)fsopts->inodes);
632 }
633
634 static void *
ffs_build_dinode1(struct ufs1_dinode * dinp,dirbuf_t * dbufp,fsnode * cur,fsnode * root,fsinfo_t * fsopts)635 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur,
636 fsnode *root, fsinfo_t *fsopts)
637 {
638 size_t slen;
639 void *membuf;
640
641 memset(dinp, 0, sizeof(*dinp));
642 dinp->di_mode = cur->inode->st.st_mode;
643 dinp->di_nlink = cur->inode->nlink;
644 dinp->di_size = cur->inode->st.st_size;
645 dinp->di_atime = cur->inode->st.st_atime;
646 dinp->di_mtime = cur->inode->st.st_mtime;
647 dinp->di_ctime = cur->inode->st.st_ctime;
648 #if HAVE_STRUCT_STAT_ST_MTIMENSEC
649 dinp->di_atimensec = cur->inode->st.st_atimensec;
650 dinp->di_mtimensec = cur->inode->st.st_mtimensec;
651 dinp->di_ctimensec = cur->inode->st.st_ctimensec;
652 #endif
653 #if HAVE_STRUCT_STAT_ST_FLAGS
654 dinp->di_flags = cur->inode->st.st_flags;
655 #endif
656 #if HAVE_STRUCT_STAT_ST_GEN
657 dinp->di_gen = cur->inode->st.st_gen;
658 #endif
659 dinp->di_uid = cur->inode->st.st_uid;
660 dinp->di_gid = cur->inode->st.st_gid;
661 /* not set: di_db, di_ib, di_blocks, di_spare */
662
663 membuf = NULL;
664 if (cur == root) { /* "."; write dirbuf */
665 membuf = dbufp->buf;
666 dinp->di_size = dbufp->size;
667 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) {
668 dinp->di_size = 0; /* a device */
669 dinp->di_rdev =
670 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap);
671 } else if (S_ISLNK(cur->type)) { /* symlink */
672 slen = strlen(cur->symlink);
673 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */
674 memcpy(dinp->di_db, cur->symlink, slen);
675 } else
676 membuf = cur->symlink;
677 dinp->di_size = slen;
678 }
679 return membuf;
680 }
681
682 static void *
ffs_build_dinode2(struct ufs2_dinode * dinp,dirbuf_t * dbufp,fsnode * cur,fsnode * root,fsinfo_t * fsopts)683 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur,
684 fsnode *root, fsinfo_t *fsopts)
685 {
686 size_t slen;
687 void *membuf;
688
689 memset(dinp, 0, sizeof(*dinp));
690 dinp->di_mode = cur->inode->st.st_mode;
691 dinp->di_nlink = cur->inode->nlink;
692 dinp->di_size = cur->inode->st.st_size;
693 dinp->di_atime = cur->inode->st.st_atime;
694 dinp->di_mtime = cur->inode->st.st_mtime;
695 dinp->di_ctime = cur->inode->st.st_ctime;
696 #if HAVE_STRUCT_STAT_ST_MTIMENSEC
697 dinp->di_atimensec = cur->inode->st.st_atimensec;
698 dinp->di_mtimensec = cur->inode->st.st_mtimensec;
699 dinp->di_ctimensec = cur->inode->st.st_ctimensec;
700 #endif
701 #if HAVE_STRUCT_STAT_ST_FLAGS
702 dinp->di_flags = cur->inode->st.st_flags;
703 #endif
704 #if HAVE_STRUCT_STAT_ST_GEN
705 dinp->di_gen = cur->inode->st.st_gen;
706 #endif
707 #if HAVE_STRUCT_STAT_BIRTHTIME
708 dinp->di_birthtime = cur->inode->st.st_birthtime;
709 dinp->di_birthnsec = cur->inode->st.st_birthtimensec;
710 #endif
711 dinp->di_uid = cur->inode->st.st_uid;
712 dinp->di_gid = cur->inode->st.st_gid;
713 /* not set: di_db, di_ib, di_blocks, di_spare */
714
715 membuf = NULL;
716 if (cur == root) { /* "."; write dirbuf */
717 membuf = dbufp->buf;
718 dinp->di_size = dbufp->size;
719 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) {
720 dinp->di_size = 0; /* a device */
721 dinp->di_rdev =
722 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap);
723 } else if (S_ISLNK(cur->type)) { /* symlink */
724 slen = strlen(cur->symlink);
725 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */
726 memcpy(dinp->di_db, cur->symlink, slen);
727 } else
728 membuf = cur->symlink;
729 dinp->di_size = slen;
730 }
731 return membuf;
732 }
733
734 static int
ffs_populate_dir(const char * dir,fsnode * root,fsinfo_t * fsopts)735 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts)
736 {
737 fsnode *cur;
738 dirbuf_t dirbuf;
739 union dinode din;
740 void *membuf;
741 char path[MAXPATHLEN + 1];
742 ffs_opt_t *ffs_opts = fsopts->fs_specific;
743
744 assert(dir != NULL);
745 assert(root != NULL);
746 assert(fsopts != NULL);
747 assert(ffs_opts != NULL);
748
749 (void)memset(&dirbuf, 0, sizeof(dirbuf));
750
751 if (debug & DEBUG_FS_POPULATE)
752 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root);
753
754 /*
755 * pass 1: allocate inode numbers, build directory `file'
756 */
757 for (cur = root; cur != NULL; cur = cur->next) {
758 if ((cur->inode->flags & FI_ALLOCATED) == 0) {
759 cur->inode->flags |= FI_ALLOCATED;
760 if (cur == root && cur->parent != NULL)
761 cur->inode->ino = cur->parent->inode->ino;
762 else {
763 cur->inode->ino = fsopts->curinode;
764 fsopts->curinode++;
765 }
766 }
767 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap);
768 if (cur == root) { /* we're at "."; add ".." */
769 ffs_make_dirbuf(&dirbuf, "..",
770 cur->parent == NULL ? cur : cur->parent->first,
771 fsopts->needswap);
772 root->inode->nlink++; /* count my parent's link */
773 } else if (cur->child != NULL)
774 root->inode->nlink++; /* count my child's link */
775
776 /*
777 * XXX possibly write file and long symlinks here,
778 * ensuring that blocks get written before inodes?
779 * otoh, this isn't a real filesystem, so who
780 * cares about ordering? :-)
781 */
782 }
783 if (debug & DEBUG_FS_POPULATE_DIRBUF)
784 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap);
785
786 /*
787 * pass 2: write out dirbuf, then non-directories at this level
788 */
789 if (debug & DEBUG_FS_POPULATE)
790 printf("ffs_populate_dir: PASS 2 dir %s\n", dir);
791 for (cur = root; cur != NULL; cur = cur->next) {
792 if (cur->inode->flags & FI_WRITTEN)
793 continue; /* skip hard-linked entries */
794 cur->inode->flags |= FI_WRITTEN;
795
796 if ((size_t)snprintf(path, sizeof(path), "%s/%s/%s", cur->root,
797 cur->path, cur->name) >= sizeof(path))
798 errx(1, "Pathname too long.");
799
800 if (cur->child != NULL)
801 continue; /* child creates own inode */
802
803 /* build on-disk inode */
804 if (ffs_opts->version == 1)
805 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur,
806 root, fsopts);
807 else
808 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur,
809 root, fsopts);
810
811 if (debug & DEBUG_FS_POPULATE_NODE) {
812 printf("ffs_populate_dir: writing ino %d, %s",
813 cur->inode->ino, inode_type(cur->type));
814 if (cur->inode->nlink > 1)
815 printf(", nlink %d", cur->inode->nlink);
816 putchar('\n');
817 }
818
819 if (membuf != NULL) {
820 ffs_write_file(&din, cur->inode->ino, membuf, fsopts);
821 } else if (S_ISREG(cur->type)) {
822 ffs_write_file(&din, cur->inode->ino, path, fsopts);
823 } else {
824 assert (! S_ISDIR(cur->type));
825 ffs_write_inode(&din, cur->inode->ino, fsopts);
826 }
827 }
828
829 /*
830 * pass 3: write out sub-directories
831 */
832 if (debug & DEBUG_FS_POPULATE)
833 printf("ffs_populate_dir: PASS 3 dir %s\n", dir);
834 for (cur = root; cur != NULL; cur = cur->next) {
835 if (cur->child == NULL)
836 continue;
837 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir,
838 cur->name) >= sizeof(path))
839 errx(1, "Pathname too long.");
840 if (! ffs_populate_dir(path, cur->child, fsopts))
841 return (0);
842 }
843
844 if (debug & DEBUG_FS_POPULATE)
845 printf("ffs_populate_dir: DONE dir %s\n", dir);
846
847 /* cleanup */
848 if (dirbuf.buf != NULL)
849 free(dirbuf.buf);
850 return (1);
851 }
852
853
854 static void
ffs_write_file(union dinode * din,uint32_t ino,void * buf,fsinfo_t * fsopts)855 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts)
856 {
857 int isfile, ffd;
858 char *fbuf, *p;
859 off_t bufleft, chunk, offset;
860 ssize_t nread;
861 struct inode in;
862 struct buf * bp;
863 ffs_opt_t *ffs_opts = fsopts->fs_specific;
864 struct vnode vp = { fsopts, NULL };
865
866 assert (din != NULL);
867 assert (buf != NULL);
868 assert (fsopts != NULL);
869 assert (ffs_opts != NULL);
870
871 isfile = S_ISREG(DIP(din, mode));
872 fbuf = NULL;
873 ffd = -1;
874 p = NULL;
875
876 in.i_fs = (struct fs *)fsopts->superblock;
877 in.i_devvp = &vp;
878
879 if (debug & DEBUG_FS_WRITE_FILE) {
880 printf(
881 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld",
882 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT),
883 (long long)DIP(din, size));
884 if (isfile)
885 printf(", file '%s'\n", (char *)buf);
886 else
887 printf(", buffer %p\n", buf);
888 }
889
890 in.i_number = ino;
891 in.i_size = DIP(din, size);
892 if (ffs_opts->version == 1)
893 memcpy(&in.i_din.ffs1_din, &din->ffs1_din,
894 sizeof(in.i_din.ffs1_din));
895 else
896 memcpy(&in.i_din.ffs2_din, &din->ffs2_din,
897 sizeof(in.i_din.ffs2_din));
898
899 if (DIP(din, size) == 0)
900 goto write_inode_and_leave; /* mmm, cheating */
901
902 if (isfile) {
903 fbuf = emalloc(ffs_opts->bsize);
904 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) {
905 warn("Can't open `%s' for reading", (char *)buf);
906 goto leave_ffs_write_file;
907 }
908 } else {
909 p = buf;
910 }
911
912 chunk = 0;
913 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) {
914 chunk = MIN(bufleft, ffs_opts->bsize);
915 if (!isfile)
916 ;
917 else if ((nread = read(ffd, fbuf, chunk)) == -1)
918 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go",
919 (char *)buf, (long long)bufleft);
920 else if (nread != chunk)
921 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, "
922 "read %zd bytes, expected %ju bytes, does "
923 "metalog size= attribute mismatch source size?",
924 (char *)buf, (long long)bufleft, nread,
925 (uintmax_t)chunk);
926 else
927 p = fbuf;
928 offset = DIP(din, size) - bufleft;
929 if (debug & DEBUG_FS_WRITE_FILE_BLOCK)
930 printf(
931 "ffs_write_file: write %p offset %lld size %lld left %lld\n",
932 p, (long long)offset,
933 (long long)chunk, (long long)bufleft);
934 /*
935 * XXX if holey support is desired, do the check here
936 *
937 * XXX might need to write out last bit in fragroundup
938 * sized chunk. however, ffs_balloc() handles this for us
939 */
940 errno = ffs_balloc(&in, offset, chunk, &bp);
941 bad_ffs_write_file:
942 if (errno != 0)
943 err(1,
944 "Writing inode %d (%s), bytes %lld + %lld",
945 ino,
946 isfile ? (char *)buf :
947 inode_type(DIP(din, mode) & S_IFMT),
948 (long long)offset, (long long)chunk);
949 memcpy(bp->b_data, p, chunk);
950 errno = bwrite(bp);
951 if (errno != 0)
952 goto bad_ffs_write_file;
953 if (!isfile)
954 p += chunk;
955 }
956
957 write_inode_and_leave:
958 ffs_write_inode(&in.i_din, in.i_number, fsopts);
959
960 leave_ffs_write_file:
961 if (fbuf)
962 free(fbuf);
963 if (ffd != -1)
964 close(ffd);
965 }
966
967
968 static void
ffs_dump_dirbuf(dirbuf_t * dbuf,const char * dir,int needswap)969 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap)
970 {
971 doff_t i;
972 struct direct *de;
973 uint16_t reclen;
974
975 assert (dbuf != NULL);
976 assert (dir != NULL);
977 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n",
978 dir, dbuf->size, dbuf->cur);
979
980 for (i = 0; i < dbuf->size; ) {
981 de = (struct direct *)(dbuf->buf + i);
982 reclen = ufs_rw16(de->d_reclen, needswap);
983 printf(
984 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n",
985 ufs_rw32(de->d_fileno, needswap),
986 inode_type(DTTOIF(de->d_type)), i, reclen,
987 de->d_namlen, de->d_name);
988 i += reclen;
989 assert(reclen > 0);
990 }
991 }
992
993 static void
ffs_make_dirbuf(dirbuf_t * dbuf,const char * name,fsnode * node,int needswap)994 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap)
995 {
996 struct direct de, *dp;
997 uint16_t llen, reclen;
998 u_char *newbuf;
999
1000 assert (dbuf != NULL);
1001 assert (name != NULL);
1002 assert (node != NULL);
1003 /* create direct entry */
1004 (void)memset(&de, 0, sizeof(de));
1005 de.d_fileno = ufs_rw32(node->inode->ino, needswap);
1006 de.d_type = IFTODT(node->type);
1007 de.d_namlen = (uint8_t)strlen(name);
1008 strcpy(de.d_name, name);
1009 reclen = UFS_DIRSIZ(0, &de, needswap);
1010 de.d_reclen = ufs_rw16(reclen, needswap);
1011
1012 dp = (struct direct *)(dbuf->buf + dbuf->cur);
1013 llen = 0;
1014 if (dp != NULL)
1015 llen = UFS_DIRSIZ(0, dp, needswap);
1016
1017 if (debug & DEBUG_FS_MAKE_DIRBUF)
1018 printf(
1019 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n"
1020 " ino %d type %d reclen %d namlen %d name %.30s\n",
1021 dbuf->size, dbuf->cur, llen,
1022 ufs_rw32(de.d_fileno, needswap), de.d_type, reclen,
1023 de.d_namlen, de.d_name);
1024
1025 if (reclen + dbuf->cur + llen > roundup(dbuf->size, UFS_DIRBLKSIZ)) {
1026 if (debug & DEBUG_FS_MAKE_DIRBUF)
1027 printf("ffs_make_dirbuf: growing buf to %d\n",
1028 dbuf->size + UFS_DIRBLKSIZ);
1029 newbuf = erealloc(dbuf->buf, dbuf->size + UFS_DIRBLKSIZ);
1030 dbuf->buf = newbuf;
1031 dbuf->size += UFS_DIRBLKSIZ;
1032 memset(dbuf->buf + dbuf->size - UFS_DIRBLKSIZ, 0, UFS_DIRBLKSIZ);
1033 dbuf->cur = dbuf->size - UFS_DIRBLKSIZ;
1034 } else if (dp) { /* shrink end of previous */
1035 dp->d_reclen = ufs_rw16(llen,needswap);
1036 dbuf->cur += llen;
1037 }
1038 dp = (struct direct *)(dbuf->buf + dbuf->cur);
1039 memcpy(dp, &de, reclen);
1040 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap);
1041 }
1042
1043 /*
1044 * cribbed from sys/ufs/ffs/ffs_alloc.c
1045 */
1046 static void
ffs_write_inode(union dinode * dp,uint32_t ino,const fsinfo_t * fsopts)1047 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts)
1048 {
1049 char *buf;
1050 struct ufs1_dinode *dp1;
1051 struct ufs2_dinode *dp2, *dip;
1052 struct cg *cgp;
1053 struct fs *fs;
1054 int cg, cgino, i;
1055 daddr_t d;
1056 char sbbuf[FFS_MAXBSIZE];
1057 uint32_t initediblk;
1058 ffs_opt_t *ffs_opts = fsopts->fs_specific;
1059
1060 assert (dp != NULL);
1061 assert (ino > 0);
1062 assert (fsopts != NULL);
1063 assert (ffs_opts != NULL);
1064
1065 fs = (struct fs *)fsopts->superblock;
1066 cg = ino_to_cg(fs, ino);
1067 cgino = ino % fs->fs_ipg;
1068 if (debug & DEBUG_FS_WRITE_INODE)
1069 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n",
1070 dp, ino, cg, cgino);
1071
1072 ffs_rdfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf,
1073 fsopts);
1074 cgp = (struct cg *)sbbuf;
1075 if (!cg_chkmagic(cgp, fsopts->needswap))
1076 errx(1, "ffs_write_inode: cg %d: bad magic number", cg);
1077
1078 assert (isclr(cg_inosused(cgp, fsopts->needswap), cgino));
1079
1080 buf = emalloc(fs->fs_bsize);
1081 dp1 = (struct ufs1_dinode *)buf;
1082 dp2 = (struct ufs2_dinode *)buf;
1083
1084 if (fs->fs_cstotal.cs_nifree == 0)
1085 errx(1, "ffs_write_inode: fs out of inodes for ino %u",
1086 ino);
1087 if (fs->fs_cs(fs, cg).cs_nifree == 0)
1088 errx(1,
1089 "ffs_write_inode: cg %d out of inodes for ino %u",
1090 cg, ino);
1091 setbit(cg_inosused(cgp, fsopts->needswap), cgino);
1092 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap);
1093 fs->fs_cstotal.cs_nifree--;
1094 fs->fs_cs(fs, cg).cs_nifree--;
1095 if (S_ISDIR(DIP(dp, mode))) {
1096 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap);
1097 fs->fs_cstotal.cs_ndir++;
1098 fs->fs_cs(fs, cg).cs_ndir++;
1099 }
1100
1101 /*
1102 * Initialize inode blocks on the fly for UFS2.
1103 */
1104 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap);
1105 if (ffs_opts->version == 2 &&
1106 (uint32_t)(cgino + FFS_INOPB(fs)) > initediblk &&
1107 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) {
1108 memset(buf, 0, fs->fs_bsize);
1109 dip = (struct ufs2_dinode *)buf;
1110 srandom(time(NULL));
1111 for (i = 0; i < FFS_INOPB(fs); i++) {
1112 dip->di_gen = random() / 2 + 1;
1113 dip++;
1114 }
1115 ffs_wtfs(FFS_FSBTODB(fs, ino_to_fsba(fs,
1116 cg * fs->fs_ipg + initediblk)),
1117 fs->fs_bsize, buf, fsopts);
1118 initediblk += FFS_INOPB(fs);
1119 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap);
1120 }
1121
1122
1123 ffs_wtfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf,
1124 fsopts);
1125
1126 /* now write inode */
1127 d = FFS_FSBTODB(fs, ino_to_fsba(fs, ino));
1128 ffs_rdfs(d, fs->fs_bsize, buf, fsopts);
1129 if (fsopts->needswap) {
1130 if (ffs_opts->version == 1)
1131 ffs_dinode1_swap(&dp->ffs1_din,
1132 &dp1[ino_to_fsbo(fs, ino)]);
1133 else
1134 ffs_dinode2_swap(&dp->ffs2_din,
1135 &dp2[ino_to_fsbo(fs, ino)]);
1136 } else {
1137 if (ffs_opts->version == 1)
1138 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din;
1139 else
1140 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din;
1141 }
1142 ffs_wtfs(d, fs->fs_bsize, buf, fsopts);
1143 free(buf);
1144 }
1145
1146 void
panic(const char * fmt,...)1147 panic(const char *fmt, ...)
1148 {
1149 va_list ap;
1150
1151 va_start(ap, fmt);
1152 vwarnx(fmt, ap);
1153 va_end(ap);
1154 exit(1);
1155 }
1156