1 /* $NetBSD: ffs.c,v 1.45 2011/10/09 22:49:26 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 2001 Wasabi Systems, Inc. 7 * All rights reserved. 8 * 9 * Written by Luke Mewburn for Wasabi Systems, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the NetBSD Project by 22 * Wasabi Systems, Inc. 23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 24 * or promote products derived from this software without specific prior 25 * written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 /* 40 * Copyright (c) 1982, 1986, 1989, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * @(#)ffs_alloc.c 8.19 (Berkeley) 7/13/95 68 */ 69 70 #include <sys/cdefs.h> 71 __FBSDID("$FreeBSD$"); 72 73 #include <sys/param.h> 74 75 #include <sys/mount.h> 76 77 #include <assert.h> 78 #include <errno.h> 79 #include <fcntl.h> 80 #include <stdarg.h> 81 #include <stdint.h> 82 #include <stdio.h> 83 #include <stdlib.h> 84 #include <string.h> 85 #include <time.h> 86 #include <unistd.h> 87 #include <util.h> 88 89 #include "makefs.h" 90 #include "ffs.h" 91 92 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 93 #include <sys/statvfs.h> 94 #endif 95 96 #include <ufs/ufs/dinode.h> 97 #include <ufs/ufs/dir.h> 98 #include <ufs/ffs/fs.h> 99 100 101 #include "ffs/ufs_bswap.h" 102 #include "ffs/ufs_inode.h" 103 #include "ffs/newfs_extern.h" 104 #include "ffs/ffs_extern.h" 105 106 #undef DIP 107 #define DIP(dp, field) \ 108 ((ffs_opts->version == 1) ? \ 109 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 110 111 /* 112 * Various file system defaults (cribbed from newfs(8)). 113 */ 114 #define DFL_FRAGSIZE 1024 /* fragment size */ 115 #define DFL_BLKSIZE 8192 /* block size */ 116 #define DFL_SECSIZE 512 /* sector size */ 117 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 118 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 119 #define DFL_ROTDELAY 0 /* rotational delay */ 120 #define DFL_NRPOS 1 /* rotational positions */ 121 #define DFL_RPM 3600 /* rpm of disk */ 122 #define DFL_NSECTORS 64 /* # of sectors */ 123 #define DFL_NTRACKS 16 /* # of tracks */ 124 125 126 typedef struct { 127 u_char *buf; /* buf for directory */ 128 doff_t size; /* full size of buf */ 129 doff_t cur; /* offset of current entry */ 130 } dirbuf_t; 131 132 133 static int ffs_create_image(const char *, fsinfo_t *); 134 static void ffs_dump_fsinfo(fsinfo_t *); 135 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 136 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 137 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 138 static void ffs_size_dir(fsnode *, fsinfo_t *); 139 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 140 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 141 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 142 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 143 fsnode *, fsinfo_t *); 144 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 145 fsnode *, fsinfo_t *); 146 147 148 /* publicly visible functions */ 149 150 void 151 ffs_prep_opts(fsinfo_t *fsopts) 152 { 153 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 154 155 const option_t ffs_options[] = { 156 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 157 1, INT_MAX, "block size" }, 158 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 159 1, INT_MAX, "fragment size" }, 160 { 'd', "density", &ffs_opts->density, OPT_INT32, 161 1, INT_MAX, "bytes per inode" }, 162 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 163 0, 99, "minfree" }, 164 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 165 1, INT_MAX, "max blocks per file in a cg" }, 166 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 167 1, INT_MAX, "expected average file size" }, 168 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 169 1, INT_MAX, "expected # of files per directory" }, 170 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 171 1, INT_MAX, "maximum # extent size" }, 172 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 173 1, INT_MAX, "max # of blocks per group" }, 174 { 'v', "version", &ffs_opts->version, OPT_INT32, 175 1, 2, "UFS version" }, 176 { 'o', "optimization", NULL, OPT_STRBUF, 177 0, 0, "Optimization (time|space)" }, 178 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 179 1, sizeof(ffs_opts->label), "UFS label" }, 180 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 181 0, 1, "enable softupdates" }, 182 { .name = NULL } 183 }; 184 185 ffs_opts->bsize= -1; 186 ffs_opts->fsize= -1; 187 ffs_opts->cpg= -1; 188 ffs_opts->density= -1; 189 ffs_opts->minfree= -1; 190 ffs_opts->optimization= -1; 191 ffs_opts->maxcontig= -1; 192 ffs_opts->maxbpg= -1; 193 ffs_opts->avgfilesize= -1; 194 ffs_opts->avgfpdir= -1; 195 ffs_opts->version = 1; 196 ffs_opts->softupdates = 0; 197 198 fsopts->fs_specific = ffs_opts; 199 fsopts->fs_options = copy_opts(ffs_options); 200 } 201 202 void 203 ffs_cleanup_opts(fsinfo_t *fsopts) 204 { 205 free(fsopts->fs_specific); 206 free(fsopts->fs_options); 207 } 208 209 int 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 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 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 if (fsopts->maxsize > 0 && 363 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 364 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 365 "exceeds maxsize %lld. Lower bsize, or round the minimum " 366 "and maximum sizes to bsize.", dir, 367 (long long)fsopts->minsize, ffs_opts->bsize, 368 (long long)fsopts->maxsize); 369 370 /* calculate size of tree */ 371 ffs_size_dir(root, fsopts); 372 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 373 374 if (debug & DEBUG_FS_VALIDATE) 375 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 376 (long long)fsopts->size, (long long)fsopts->inodes); 377 378 /* add requested slop */ 379 fsopts->size += fsopts->freeblocks; 380 fsopts->inodes += fsopts->freefiles; 381 if (fsopts->freefilepc > 0) 382 fsopts->inodes = 383 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 384 if (fsopts->freeblockpc > 0) 385 fsopts->size = 386 fsopts->size * (100 + fsopts->freeblockpc) / 100; 387 388 /* add space needed for superblocks */ 389 /* 390 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 391 * typically used for small filesystems where space matters. 392 * XXX make this an option. 393 */ 394 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 395 /* add space needed to store inodes, x3 for blockmaps, etc */ 396 if (ffs_opts->version == 1) 397 fsopts->size += ncg * DINODE1_SIZE * 398 roundup(fsopts->inodes / ncg, 399 ffs_opts->bsize / DINODE1_SIZE); 400 else 401 fsopts->size += ncg * DINODE2_SIZE * 402 roundup(fsopts->inodes / ncg, 403 ffs_opts->bsize / DINODE2_SIZE); 404 405 /* add minfree */ 406 if (ffs_opts->minfree > 0) 407 fsopts->size = 408 fsopts->size * (100 + ffs_opts->minfree) / 100; 409 /* 410 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 411 */ 412 413 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 414 fsopts->size = fsopts->minsize; 415 416 /* round up to the next block */ 417 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 418 419 /* round up to requested block size, if any */ 420 if (fsopts->roundup > 0) 421 fsopts->size = roundup(fsopts->size, fsopts->roundup); 422 423 /* calculate density if necessary */ 424 if (ffs_opts->density == -1) 425 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 426 427 if (debug & DEBUG_FS_VALIDATE) { 428 printf("ffs_validate: after defaults set:\n"); 429 ffs_dump_fsinfo(fsopts); 430 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 431 dir, (long long)fsopts->size, (long long)fsopts->inodes); 432 } 433 /* now check calculated sizes vs requested sizes */ 434 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 435 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 436 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 437 } 438 } 439 440 441 static void 442 ffs_dump_fsinfo(fsinfo_t *f) 443 { 444 445 ffs_opt_t *fs = f->fs_specific; 446 447 printf("fsopts at %p\n", f); 448 449 printf("\tsize %lld, inodes %lld, curinode %u\n", 450 (long long)f->size, (long long)f->inodes, f->curinode); 451 452 printf("\tminsize %lld, maxsize %lld\n", 453 (long long)f->minsize, (long long)f->maxsize); 454 printf("\tfree files %lld, freefile %% %d\n", 455 (long long)f->freefiles, f->freefilepc); 456 printf("\tfree blocks %lld, freeblock %% %d\n", 457 (long long)f->freeblocks, f->freeblockpc); 458 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 459 460 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 461 fs->bsize, fs->fsize, fs->cpg, fs->density); 462 printf("\tnsectors %d, rpm %d, minfree %d\n", 463 fs->nsectors, fs->rpm, fs->minfree); 464 printf("\tmaxcontig %d, maxbpg %d\n", 465 fs->maxcontig, fs->maxbpg); 466 printf("\toptimization %s\n", 467 fs->optimization == FS_OPTSPACE ? "space" : "time"); 468 } 469 470 471 static int 472 ffs_create_image(const char *image, fsinfo_t *fsopts) 473 { 474 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 475 struct statvfs sfs; 476 #endif 477 struct fs *fs; 478 char *buf; 479 int i, bufsize; 480 off_t bufrem; 481 int oflags = O_RDWR | O_CREAT; 482 time_t tstamp; 483 484 assert (image != NULL); 485 assert (fsopts != NULL); 486 487 /* create image */ 488 if (fsopts->offset == 0) 489 oflags |= O_TRUNC; 490 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 491 warn("Can't open `%s' for writing", image); 492 return (-1); 493 } 494 495 /* zero image */ 496 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 497 if (fstatvfs(fsopts->fd, &sfs) == -1) { 498 #endif 499 bufsize = 8192; 500 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 501 warn("can't fstatvfs `%s', using default %d byte chunk", 502 image, bufsize); 503 } else 504 bufsize = sfs.f_iosize; 505 #endif 506 bufrem = fsopts->size; 507 if (fsopts->sparse) { 508 if (ftruncate(fsopts->fd, bufrem) == -1) { 509 warn("sparse option disabled."); 510 fsopts->sparse = 0; 511 } 512 } 513 if (fsopts->sparse) { 514 /* File truncated at bufrem. Remaining is 0 */ 515 bufrem = 0; 516 buf = NULL; 517 } else { 518 if (debug & DEBUG_FS_CREATE_IMAGE) 519 printf("zero-ing image `%s', %lld sectors, " 520 "using %d byte chunks\n", image, (long long)bufrem, 521 bufsize); 522 buf = ecalloc(1, bufsize); 523 } 524 525 if (fsopts->offset != 0) 526 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 527 warn("can't seek"); 528 free(buf); 529 return -1; 530 } 531 532 while (bufrem > 0) { 533 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 534 if (i == -1) { 535 warn("zeroing image, %lld bytes to go", 536 (long long)bufrem); 537 free(buf); 538 return (-1); 539 } 540 bufrem -= i; 541 } 542 if (buf) 543 free(buf); 544 545 /* make the file system */ 546 if (debug & DEBUG_FS_CREATE_IMAGE) 547 printf("calling mkfs(\"%s\", ...)\n", image); 548 549 if (stampst.st_ino != 0) 550 tstamp = stampst.st_ctime; 551 else 552 tstamp = start_time.tv_sec; 553 554 srandom(tstamp); 555 556 fs = ffs_mkfs(image, fsopts, tstamp); 557 fsopts->superblock = (void *)fs; 558 if (debug & DEBUG_FS_CREATE_IMAGE) { 559 time_t t; 560 561 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 562 printf("mkfs returned %p; fs_time %s", 563 fsopts->superblock, ctime(&t)); 564 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 565 (long long)fs->fs_cstotal.cs_nbfree, 566 (long long)fs->fs_cstotal.cs_nffree, 567 (long long)fs->fs_cstotal.cs_nifree, 568 (long long)fs->fs_cstotal.cs_ndir); 569 } 570 571 if (fs->fs_cstotal.cs_nifree + UFS_ROOTINO < fsopts->inodes) { 572 warnx( 573 "Image file `%s' has %lld free inodes; %lld are required.", 574 image, 575 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 576 (long long)fsopts->inodes); 577 return (-1); 578 } 579 return (fsopts->fd); 580 } 581 582 583 static void 584 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 585 { 586 struct direct tmpdir; 587 fsnode * node; 588 int curdirsize, this; 589 ffs_opt_t *ffs_opts = fsopts->fs_specific; 590 591 /* node may be NULL (empty directory) */ 592 assert(fsopts != NULL); 593 assert(ffs_opts != NULL); 594 595 if (debug & DEBUG_FS_SIZE_DIR) 596 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 597 (long long)fsopts->size, (long long)fsopts->inodes); 598 599 #define ADDDIRENT(e) do { \ 600 tmpdir.d_namlen = strlen((e)); \ 601 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 602 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 603 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 604 e, tmpdir.d_namlen, this, curdirsize); \ 605 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 606 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 607 curdirsize += this; \ 608 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 609 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 610 e, tmpdir.d_namlen, this, curdirsize); \ 611 } while (0); 612 613 /* 614 * XXX this needs to take into account extra space consumed 615 * by indirect blocks, etc. 616 */ 617 #define ADDSIZE(x) do { \ 618 fsopts->size += roundup((x), ffs_opts->fsize); \ 619 } while (0); 620 621 curdirsize = 0; 622 for (node = root; node != NULL; node = node->next) { 623 ADDDIRENT(node->name); 624 if (node == root) { /* we're at "." */ 625 assert(strcmp(node->name, ".") == 0); 626 ADDDIRENT(".."); 627 } else if ((node->inode->flags & FI_SIZED) == 0) { 628 /* don't count duplicate names */ 629 node->inode->flags |= FI_SIZED; 630 if (debug & DEBUG_FS_SIZE_DIR_NODE) 631 printf("ffs_size_dir: `%s' size %lld\n", 632 node->name, 633 (long long)node->inode->st.st_size); 634 fsopts->inodes++; 635 if (node->type == S_IFREG) 636 ADDSIZE(node->inode->st.st_size); 637 if (node->type == S_IFLNK) { 638 size_t slen; 639 640 slen = strlen(node->symlink) + 1; 641 if (slen >= (ffs_opts->version == 1 ? 642 UFS1_MAXSYMLINKLEN : 643 UFS2_MAXSYMLINKLEN)) 644 ADDSIZE(slen); 645 } 646 } 647 if (node->type == S_IFDIR) 648 ffs_size_dir(node->child, fsopts); 649 } 650 ADDSIZE(curdirsize); 651 652 if (debug & DEBUG_FS_SIZE_DIR) 653 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 654 (long long)fsopts->size, (long long)fsopts->inodes); 655 } 656 657 static void * 658 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 659 fsnode *root, fsinfo_t *fsopts) 660 { 661 size_t slen; 662 void *membuf; 663 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 664 665 memset(dinp, 0, sizeof(*dinp)); 666 dinp->di_mode = cur->inode->st.st_mode; 667 dinp->di_nlink = cur->inode->nlink; 668 dinp->di_size = cur->inode->st.st_size; 669 #if HAVE_STRUCT_STAT_ST_FLAGS 670 dinp->di_flags = cur->inode->st.st_flags; 671 #endif 672 dinp->di_gen = random(); 673 dinp->di_uid = cur->inode->st.st_uid; 674 dinp->di_gid = cur->inode->st.st_gid; 675 676 dinp->di_atime = st->st_atime; 677 dinp->di_mtime = st->st_mtime; 678 dinp->di_ctime = st->st_ctime; 679 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 680 dinp->di_atimensec = st->st_atimensec; 681 dinp->di_mtimensec = st->st_mtimensec; 682 dinp->di_ctimensec = st->st_ctimensec; 683 #endif 684 /* not set: di_db, di_ib, di_blocks, di_spare */ 685 686 membuf = NULL; 687 if (cur == root) { /* "."; write dirbuf */ 688 membuf = dbufp->buf; 689 dinp->di_size = dbufp->size; 690 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 691 dinp->di_size = 0; /* a device */ 692 dinp->di_rdev = 693 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 694 } else if (S_ISLNK(cur->type)) { /* symlink */ 695 slen = strlen(cur->symlink); 696 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 697 memcpy(dinp->di_db, cur->symlink, slen); 698 } else 699 membuf = cur->symlink; 700 dinp->di_size = slen; 701 } 702 return membuf; 703 } 704 705 static void * 706 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 707 fsnode *root, fsinfo_t *fsopts) 708 { 709 size_t slen; 710 void *membuf; 711 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 712 713 memset(dinp, 0, sizeof(*dinp)); 714 dinp->di_mode = cur->inode->st.st_mode; 715 dinp->di_nlink = cur->inode->nlink; 716 dinp->di_size = cur->inode->st.st_size; 717 #if HAVE_STRUCT_STAT_ST_FLAGS 718 dinp->di_flags = cur->inode->st.st_flags; 719 #endif 720 dinp->di_gen = random(); 721 dinp->di_uid = cur->inode->st.st_uid; 722 dinp->di_gid = cur->inode->st.st_gid; 723 724 dinp->di_atime = st->st_atime; 725 dinp->di_mtime = st->st_mtime; 726 dinp->di_ctime = st->st_ctime; 727 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 728 dinp->di_atimensec = st->st_atimensec; 729 dinp->di_mtimensec = st->st_mtimensec; 730 dinp->di_ctimensec = st->st_ctimensec; 731 #endif 732 #if HAVE_STRUCT_STAT_BIRTHTIME 733 dinp->di_birthtime = st->st_birthtime; 734 dinp->di_birthnsec = st->st_birthtimensec; 735 #endif 736 /* not set: di_db, di_ib, di_blocks, di_spare */ 737 738 membuf = NULL; 739 if (cur == root) { /* "."; write dirbuf */ 740 membuf = dbufp->buf; 741 dinp->di_size = dbufp->size; 742 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 743 dinp->di_size = 0; /* a device */ 744 dinp->di_rdev = 745 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 746 } else if (S_ISLNK(cur->type)) { /* symlink */ 747 slen = strlen(cur->symlink); 748 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 749 memcpy(dinp->di_db, cur->symlink, slen); 750 } else 751 membuf = cur->symlink; 752 dinp->di_size = slen; 753 } 754 return membuf; 755 } 756 757 static int 758 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 759 { 760 fsnode *cur; 761 dirbuf_t dirbuf; 762 union dinode din; 763 void *membuf; 764 char path[MAXPATHLEN + 1]; 765 ffs_opt_t *ffs_opts = fsopts->fs_specific; 766 767 assert(dir != NULL); 768 assert(root != NULL); 769 assert(fsopts != NULL); 770 assert(ffs_opts != NULL); 771 772 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 773 774 if (debug & DEBUG_FS_POPULATE) 775 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 776 777 /* 778 * pass 1: allocate inode numbers, build directory `file' 779 */ 780 for (cur = root; cur != NULL; cur = cur->next) { 781 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 782 cur->inode->flags |= FI_ALLOCATED; 783 if (cur == root && cur->parent != NULL) 784 cur->inode->ino = cur->parent->inode->ino; 785 else { 786 cur->inode->ino = fsopts->curinode; 787 fsopts->curinode++; 788 } 789 } 790 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 791 if (cur == root) { /* we're at "."; add ".." */ 792 ffs_make_dirbuf(&dirbuf, "..", 793 cur->parent == NULL ? cur : cur->parent->first, 794 fsopts->needswap); 795 root->inode->nlink++; /* count my parent's link */ 796 } else if (cur->child != NULL) 797 root->inode->nlink++; /* count my child's link */ 798 799 /* 800 * XXX possibly write file and long symlinks here, 801 * ensuring that blocks get written before inodes? 802 * otoh, this isn't a real filesystem, so who 803 * cares about ordering? :-) 804 */ 805 } 806 if (debug & DEBUG_FS_POPULATE_DIRBUF) 807 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 808 809 /* 810 * pass 2: write out dirbuf, then non-directories at this level 811 */ 812 if (debug & DEBUG_FS_POPULATE) 813 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 814 for (cur = root; cur != NULL; cur = cur->next) { 815 if (cur->inode->flags & FI_WRITTEN) 816 continue; /* skip hard-linked entries */ 817 cur->inode->flags |= FI_WRITTEN; 818 819 if (cur->contents == NULL) { 820 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 821 cur->path, cur->name) >= (int)sizeof(path)) 822 errx(1, "Pathname too long."); 823 } 824 825 if (cur->child != NULL) 826 continue; /* child creates own inode */ 827 828 /* build on-disk inode */ 829 if (ffs_opts->version == 1) 830 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 831 root, fsopts); 832 else 833 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 834 root, fsopts); 835 836 if (debug & DEBUG_FS_POPULATE_NODE) { 837 printf("ffs_populate_dir: writing ino %d, %s", 838 cur->inode->ino, inode_type(cur->type)); 839 if (cur->inode->nlink > 1) 840 printf(", nlink %d", cur->inode->nlink); 841 putchar('\n'); 842 } 843 844 if (membuf != NULL) { 845 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 846 } else if (S_ISREG(cur->type)) { 847 ffs_write_file(&din, cur->inode->ino, 848 (cur->contents) ? cur->contents : path, fsopts); 849 } else { 850 assert (! S_ISDIR(cur->type)); 851 ffs_write_inode(&din, cur->inode->ino, fsopts); 852 } 853 } 854 855 /* 856 * pass 3: write out sub-directories 857 */ 858 if (debug & DEBUG_FS_POPULATE) 859 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 860 for (cur = root; cur != NULL; cur = cur->next) { 861 if (cur->child == NULL) 862 continue; 863 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 864 cur->name) >= sizeof(path)) 865 errx(1, "Pathname too long."); 866 if (! ffs_populate_dir(path, cur->child, fsopts)) 867 return (0); 868 } 869 870 if (debug & DEBUG_FS_POPULATE) 871 printf("ffs_populate_dir: DONE dir %s\n", dir); 872 873 /* cleanup */ 874 if (dirbuf.buf != NULL) 875 free(dirbuf.buf); 876 return (1); 877 } 878 879 880 static void 881 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 882 { 883 int isfile, ffd; 884 char *fbuf, *p; 885 off_t bufleft, chunk, offset; 886 ssize_t nread; 887 struct inode in; 888 struct buf * bp; 889 ffs_opt_t *ffs_opts = fsopts->fs_specific; 890 struct vnode vp = { fsopts, NULL }; 891 892 assert (din != NULL); 893 assert (buf != NULL); 894 assert (fsopts != NULL); 895 assert (ffs_opts != NULL); 896 897 isfile = S_ISREG(DIP(din, mode)); 898 fbuf = NULL; 899 ffd = -1; 900 p = NULL; 901 902 in.i_fs = (struct fs *)fsopts->superblock; 903 in.i_devvp = &vp; 904 905 if (debug & DEBUG_FS_WRITE_FILE) { 906 printf( 907 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 908 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 909 (long long)DIP(din, size)); 910 if (isfile) 911 printf(", file '%s'\n", (char *)buf); 912 else 913 printf(", buffer %p\n", buf); 914 } 915 916 in.i_number = ino; 917 in.i_size = DIP(din, size); 918 if (ffs_opts->version == 1) 919 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 920 sizeof(in.i_din.ffs1_din)); 921 else 922 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 923 sizeof(in.i_din.ffs2_din)); 924 925 if (DIP(din, size) == 0) 926 goto write_inode_and_leave; /* mmm, cheating */ 927 928 if (isfile) { 929 fbuf = emalloc(ffs_opts->bsize); 930 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 931 warn("Can't open `%s' for reading", (char *)buf); 932 goto leave_ffs_write_file; 933 } 934 } else { 935 p = buf; 936 } 937 938 chunk = 0; 939 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 940 chunk = MIN(bufleft, ffs_opts->bsize); 941 if (!isfile) 942 ; 943 else if ((nread = read(ffd, fbuf, chunk)) == -1) 944 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 945 (char *)buf, (long long)bufleft); 946 else if (nread != chunk) 947 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 948 "read %zd bytes, expected %ju bytes, does " 949 "metalog size= attribute mismatch source size?", 950 (char *)buf, (long long)bufleft, nread, 951 (uintmax_t)chunk); 952 else 953 p = fbuf; 954 offset = DIP(din, size) - bufleft; 955 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 956 printf( 957 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 958 p, (long long)offset, 959 (long long)chunk, (long long)bufleft); 960 /* 961 * XXX if holey support is desired, do the check here 962 * 963 * XXX might need to write out last bit in fragroundup 964 * sized chunk. however, ffs_balloc() handles this for us 965 */ 966 errno = ffs_balloc(&in, offset, chunk, &bp); 967 bad_ffs_write_file: 968 if (errno != 0) 969 err(1, 970 "Writing inode %d (%s), bytes %lld + %lld", 971 ino, 972 isfile ? (char *)buf : 973 inode_type(DIP(din, mode) & S_IFMT), 974 (long long)offset, (long long)chunk); 975 memcpy(bp->b_data, p, chunk); 976 errno = bwrite(bp); 977 if (errno != 0) 978 goto bad_ffs_write_file; 979 brelse(bp, 0); 980 if (!isfile) 981 p += chunk; 982 } 983 984 write_inode_and_leave: 985 ffs_write_inode(&in.i_din, in.i_number, fsopts); 986 987 leave_ffs_write_file: 988 if (fbuf) 989 free(fbuf); 990 if (ffd != -1) 991 close(ffd); 992 } 993 994 995 static void 996 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 997 { 998 doff_t i; 999 struct direct *de; 1000 uint16_t reclen; 1001 1002 assert (dbuf != NULL); 1003 assert (dir != NULL); 1004 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1005 dir, dbuf->size, dbuf->cur); 1006 1007 for (i = 0; i < dbuf->size; ) { 1008 de = (struct direct *)(dbuf->buf + i); 1009 reclen = ufs_rw16(de->d_reclen, needswap); 1010 printf( 1011 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1012 ufs_rw32(de->d_ino, needswap), 1013 inode_type(DTTOIF(de->d_type)), i, reclen, 1014 de->d_namlen, de->d_name); 1015 i += reclen; 1016 assert(reclen > 0); 1017 } 1018 } 1019 1020 static void 1021 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1022 { 1023 struct direct de, *dp; 1024 uint16_t llen, reclen; 1025 u_char *newbuf; 1026 1027 assert (dbuf != NULL); 1028 assert (name != NULL); 1029 assert (node != NULL); 1030 /* create direct entry */ 1031 (void)memset(&de, 0, sizeof(de)); 1032 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1033 de.d_type = IFTODT(node->type); 1034 de.d_namlen = (uint8_t)strlen(name); 1035 strcpy(de.d_name, name); 1036 reclen = DIRSIZ_SWAP(0, &de, needswap); 1037 de.d_reclen = ufs_rw16(reclen, needswap); 1038 1039 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1040 llen = 0; 1041 if (dp != NULL) 1042 llen = DIRSIZ_SWAP(0, dp, needswap); 1043 1044 if (debug & DEBUG_FS_MAKE_DIRBUF) 1045 printf( 1046 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1047 " ino %d type %d reclen %d namlen %d name %.30s\n", 1048 dbuf->size, dbuf->cur, llen, 1049 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1050 de.d_namlen, de.d_name); 1051 1052 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1053 if (debug & DEBUG_FS_MAKE_DIRBUF) 1054 printf("ffs_make_dirbuf: growing buf to %d\n", 1055 dbuf->size + DIRBLKSIZ); 1056 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1057 dbuf->buf = newbuf; 1058 dbuf->size += DIRBLKSIZ; 1059 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1060 dbuf->cur = dbuf->size - DIRBLKSIZ; 1061 } else if (dp) { /* shrink end of previous */ 1062 dp->d_reclen = ufs_rw16(llen,needswap); 1063 dbuf->cur += llen; 1064 } 1065 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1066 memcpy(dp, &de, reclen); 1067 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1068 } 1069 1070 /* 1071 * cribbed from sys/ufs/ffs/ffs_alloc.c 1072 */ 1073 static void 1074 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1075 { 1076 char *buf; 1077 struct ufs1_dinode *dp1; 1078 struct ufs2_dinode *dp2, *dip; 1079 struct cg *cgp; 1080 struct fs *fs; 1081 int cg, cgino; 1082 uint32_t i; 1083 daddr_t d; 1084 char sbbuf[FFS_MAXBSIZE]; 1085 uint32_t initediblk; 1086 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1087 1088 assert (dp != NULL); 1089 assert (ino > 0); 1090 assert (fsopts != NULL); 1091 assert (ffs_opts != NULL); 1092 1093 fs = (struct fs *)fsopts->superblock; 1094 cg = ino_to_cg(fs, ino); 1095 cgino = ino % fs->fs_ipg; 1096 if (debug & DEBUG_FS_WRITE_INODE) 1097 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1098 dp, ino, cg, cgino); 1099 1100 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1101 fsopts); 1102 cgp = (struct cg *)sbbuf; 1103 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1104 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1105 1106 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1107 1108 buf = emalloc(fs->fs_bsize); 1109 dp1 = (struct ufs1_dinode *)buf; 1110 dp2 = (struct ufs2_dinode *)buf; 1111 1112 if (fs->fs_cstotal.cs_nifree == 0) 1113 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1114 ino); 1115 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1116 errx(1, 1117 "ffs_write_inode: cg %d out of inodes for ino %u", 1118 cg, ino); 1119 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1120 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1121 fs->fs_cstotal.cs_nifree--; 1122 fs->fs_cs(fs, cg).cs_nifree--; 1123 if (S_ISDIR(DIP(dp, mode))) { 1124 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1125 fs->fs_cstotal.cs_ndir++; 1126 fs->fs_cs(fs, cg).cs_ndir++; 1127 } 1128 1129 /* 1130 * Initialize inode blocks on the fly for UFS2. 1131 */ 1132 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1133 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1134 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1135 memset(buf, 0, fs->fs_bsize); 1136 dip = (struct ufs2_dinode *)buf; 1137 for (i = 0; i < INOPB(fs); i++) { 1138 dip->di_gen = random(); 1139 dip++; 1140 } 1141 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1142 cg * fs->fs_ipg + initediblk)), 1143 fs->fs_bsize, buf, fsopts); 1144 initediblk += INOPB(fs); 1145 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1146 } 1147 1148 1149 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1150 fsopts); 1151 1152 /* now write inode */ 1153 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1154 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1155 if (fsopts->needswap) { 1156 if (ffs_opts->version == 1) 1157 ffs_dinode1_swap(&dp->ffs1_din, 1158 &dp1[ino_to_fsbo(fs, ino)]); 1159 else 1160 ffs_dinode2_swap(&dp->ffs2_din, 1161 &dp2[ino_to_fsbo(fs, ino)]); 1162 } else { 1163 if (ffs_opts->version == 1) 1164 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1165 else 1166 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1167 } 1168 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1169 free(buf); 1170 } 1171 1172 void 1173 panic(const char *fmt, ...) 1174 { 1175 va_list ap; 1176 1177 va_start(ap, fmt); 1178 vwarnx(fmt, ap); 1179 va_end(ap); 1180 exit(1); 1181 } 1182