1 /* $NetBSD: ffs.c,v 1.77 2025/04/30 13:27:13 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 1.77 2025/04/30 13:27:13 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 /* publicly visible functions */ 153 void 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 206 ffs_cleanup_opts(fsinfo_t *fsopts) 207 { 208 free(fsopts->fs_specific); 209 free(fsopts->fs_options); 210 } 211 212 int 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 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(EXIT_FAILURE, "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(EXIT_FAILURE, "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(EXIT_FAILURE, "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 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(EXIT_FAILURE, 427 "`%s' size of %lld is larger than the maxsize of %lld.", 428 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 429 } 430 } 431 432 433 static void 434 ffs_dump_fsinfo(fsinfo_t *f) 435 { 436 437 ffs_opt_t *fs = f->fs_specific; 438 439 printf("fsopts at %p\n", f); 440 441 printf("\tsize %lld, inodes %lld, curinode %u\n", 442 (long long)f->size, (long long)f->inodes, f->curinode); 443 444 printf("\tminsize %lld, maxsize %lld\n", 445 (long long)f->minsize, (long long)f->maxsize); 446 printf("\tfree files %lld, freefile %% %d\n", 447 (long long)f->freefiles, f->freefilepc); 448 printf("\tfree blocks %lld, freeblock %% %d\n", 449 (long long)f->freeblocks, f->freeblockpc); 450 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 451 452 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 453 fs->bsize, fs->fsize, fs->cpg, fs->density); 454 printf("\tnsectors %d, rpm %d, minfree %d\n", 455 fs->nsectors, fs->rpm, fs->minfree); 456 printf("\tmaxcontig %d, maxbpg %d\n", 457 fs->maxcontig, fs->maxbpg); 458 printf("\toptimization %s\n", 459 fs->optimization == FS_OPTSPACE ? "space" : "time"); 460 } 461 462 463 static int 464 ffs_create_image(const char *image, fsinfo_t *fsopts) 465 { 466 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 467 struct statvfs sfs; 468 #endif 469 struct fs *fs; 470 char *buf; 471 int i, bufsize; 472 off_t bufrem; 473 time_t tstamp; 474 int oflags = O_RDWR | O_CREAT; 475 476 assert (image != NULL); 477 assert (fsopts != NULL); 478 479 /* create image */ 480 if (fsopts->offset == 0) 481 oflags |= O_TRUNC; 482 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 483 warn("Can't open `%s' for writing", image); 484 return (-1); 485 } 486 487 /* zero image */ 488 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 489 if (fstatvfs(fsopts->fd, &sfs) == -1) { 490 #endif 491 bufsize = 8192; 492 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 493 warn("can't fstatvfs `%s', using default %d byte chunk", 494 image, bufsize); 495 } else 496 bufsize = sfs.f_iosize; 497 #endif 498 bufrem = fsopts->size; 499 500 if (fsopts->sparse) { 501 if (ftruncate(fsopts->fd, bufrem) == -1) { 502 printf ("ERROR in truncate. Sparse option disabled\n"); 503 fsopts->sparse = 0; 504 } else { 505 bufrem = 0; /* File truncated at bufrem. Remaining is 0 */ 506 buf = NULL; 507 } 508 } 509 510 if (fsopts->offset != 0) 511 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 512 warn("can't seek"); 513 return -1; 514 } 515 516 if ((debug & DEBUG_FS_CREATE_IMAGE) && fsopts->sparse == 0) 517 printf( 518 "zero-ing image `%s', %lld sectors, using %d byte chunks\n", 519 image, (long long)bufrem, bufsize); 520 if (bufrem > 0) 521 buf = ecalloc(1, bufsize); 522 while (bufrem > 0) { 523 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 524 if (i == -1) { 525 warn("zeroing image, %lld bytes to go", 526 (long long)bufrem); 527 free(buf); 528 return (-1); 529 } 530 bufrem -= i; 531 } 532 if (buf) 533 free(buf); 534 535 /* make the file system */ 536 if (debug & DEBUG_FS_CREATE_IMAGE) 537 printf("calling mkfs(\"%s\", ...)\n", image); 538 539 if (stampst.st_ino) 540 tstamp = stampst.st_ctime; 541 else 542 tstamp = start_time.tv_sec; 543 544 srandom(tstamp); 545 546 fs = ffs_mkfs(image, fsopts, tstamp); 547 fsopts->superblock = (void *)fs; 548 if (debug & DEBUG_FS_CREATE_IMAGE) { 549 time_t t; 550 551 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 552 printf("mkfs returned %p; fs_time %s", 553 fsopts->superblock, ctime(&t)); 554 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 555 (long long)fs->fs_cstotal.cs_nbfree, 556 (long long)fs->fs_cstotal.cs_nffree, 557 (long long)fs->fs_cstotal.cs_nifree, 558 (long long)fs->fs_cstotal.cs_ndir); 559 } 560 561 if ((off_t)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO) < fsopts->inodes) { 562 warnx( 563 "Image file `%s' has %lld free inodes; %lld are required.", 564 image, 565 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 566 (long long)fsopts->inodes); 567 return (-1); 568 } 569 return (fsopts->fd); 570 } 571 572 573 static void 574 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 575 { 576 struct direct tmpdir; 577 fsnode * node; 578 int curdirsize, this; 579 ffs_opt_t *ffs_opts = fsopts->fs_specific; 580 581 /* node may be NULL (empty directory) */ 582 assert(fsopts != NULL); 583 assert(ffs_opts != NULL); 584 585 if (debug & DEBUG_FS_SIZE_DIR) 586 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 587 (long long)fsopts->size, (long long)fsopts->inodes); 588 589 #define ADDDIRENT(e) do { \ 590 tmpdir.d_namlen = strlen((e)); \ 591 this = UFS_DIRSIZ(0, &tmpdir, 0); \ 592 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 593 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 594 e, tmpdir.d_namlen, this, curdirsize); \ 595 if (this + curdirsize > roundup(curdirsize, UFS_DIRBLKSIZ)) \ 596 curdirsize = roundup(curdirsize, UFS_DIRBLKSIZ); \ 597 curdirsize += this; \ 598 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 599 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 600 e, tmpdir.d_namlen, this, curdirsize); \ 601 } while (0); 602 603 /* 604 * XXX this needs to take into account extra space consumed 605 * by indirect blocks, etc. 606 */ 607 #define ADDSIZE(x) do { \ 608 fsopts->size += roundup((x), ffs_opts->fsize); \ 609 } while (0); 610 611 curdirsize = 0; 612 for (node = root; node != NULL; node = node->next) { 613 ADDDIRENT(node->name); 614 if (node == root) { /* we're at "." */ 615 assert(strcmp(node->name, ".") == 0); 616 ADDDIRENT(".."); 617 } else if ((node->inode->flags & FI_SIZED) == 0) { 618 /* don't count duplicate names */ 619 node->inode->flags |= FI_SIZED; 620 if (debug & DEBUG_FS_SIZE_DIR_NODE) 621 printf("ffs_size_dir: `%s' size %lld\n", 622 node->name, 623 (long long)node->inode->st.st_size); 624 fsopts->inodes++; 625 if (node->type == S_IFREG) 626 ADDSIZE(node->inode->st.st_size); 627 if (node->type == S_IFLNK) { 628 size_t slen; 629 630 slen = strlen(node->symlink) + 1; 631 if (slen >= (ffs_opts->version == 1 ? 632 UFS1_MAXSYMLINKLEN : 633 UFS2_MAXSYMLINKLEN)) 634 ADDSIZE(slen); 635 } 636 } 637 if (node->type == S_IFDIR) 638 ffs_size_dir(node->child, fsopts); 639 } 640 ADDSIZE(curdirsize); 641 642 if (debug & DEBUG_FS_SIZE_DIR) 643 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 644 (long long)fsopts->size, (long long)fsopts->inodes); 645 } 646 647 static void * 648 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 649 fsnode *root, fsinfo_t *fsopts) 650 { 651 size_t slen; 652 void *membuf; 653 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st; 654 655 memset(dinp, 0, sizeof(*dinp)); 656 dinp->di_mode = cur->inode->st.st_mode; 657 dinp->di_nlink = cur->inode->nlink; 658 dinp->di_size = cur->inode->st.st_size; 659 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 660 #if HAVE_STRUCT_STAT_ST_GEN 661 dinp->di_gen = cur->inode->st.st_gen; 662 #endif 663 dinp->di_uid = cur->inode->st.st_uid; 664 dinp->di_gid = cur->inode->st.st_gid; 665 666 dinp->di_atime = st->st_atime; 667 dinp->di_mtime = st->st_mtime; 668 dinp->di_ctime = st->st_ctime; 669 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 670 dinp->di_atimensec = st->st_atimensec; 671 dinp->di_mtimensec = st->st_mtimensec; 672 dinp->di_ctimensec = st->st_ctimensec; 673 #endif 674 /* not set: di_db, di_ib, di_blocks, di_spare */ 675 676 membuf = NULL; 677 if (cur == root) { /* "."; write dirbuf */ 678 membuf = dbufp->buf; 679 dinp->di_size = dbufp->size; 680 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 681 dinp->di_size = 0; /* a device */ 682 dinp->di_rdev = 683 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 684 } else if (S_ISLNK(cur->type)) { /* symlink */ 685 slen = strlen(cur->symlink); 686 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 687 memcpy(dinp->di_db, cur->symlink, slen); 688 } else 689 membuf = cur->symlink; 690 dinp->di_size = slen; 691 } 692 return membuf; 693 } 694 695 static void * 696 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 697 fsnode *root, fsinfo_t *fsopts) 698 { 699 size_t slen; 700 void *membuf; 701 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st; 702 703 memset(dinp, 0, sizeof(*dinp)); 704 dinp->di_mode = cur->inode->st.st_mode; 705 dinp->di_nlink = cur->inode->nlink; 706 dinp->di_size = cur->inode->st.st_size; 707 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 708 #if HAVE_STRUCT_STAT_ST_GEN 709 dinp->di_gen = cur->inode->st.st_gen; 710 #endif 711 dinp->di_uid = cur->inode->st.st_uid; 712 dinp->di_gid = cur->inode->st.st_gid; 713 714 dinp->di_atime = st->st_atime; 715 dinp->di_mtime = st->st_mtime; 716 dinp->di_ctime = st->st_ctime; 717 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 718 dinp->di_atimensec = st->st_atimensec; 719 dinp->di_mtimensec = st->st_mtimensec; 720 dinp->di_ctimensec = st->st_ctimensec; 721 #endif 722 #if HAVE_STRUCT_STAT_BIRTHTIME 723 dinp->di_birthtime = st->st_birthtime; 724 dinp->di_birthnsec = st->st_birthtimensec; 725 #endif 726 /* not set: di_db, di_ib, di_blocks, di_spare */ 727 728 membuf = NULL; 729 if (cur == root) { /* "."; write dirbuf */ 730 membuf = dbufp->buf; 731 dinp->di_size = dbufp->size; 732 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 733 dinp->di_size = 0; /* a device */ 734 dinp->di_rdev = 735 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 736 } else if (S_ISLNK(cur->type)) { /* symlink */ 737 slen = strlen(cur->symlink); 738 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 739 memcpy(dinp->di_db, cur->symlink, slen); 740 } else 741 membuf = cur->symlink; 742 dinp->di_size = slen; 743 } 744 return membuf; 745 } 746 747 static int 748 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 749 { 750 fsnode *cur; 751 dirbuf_t dirbuf; 752 union dinode din; 753 void *membuf; 754 char path[MAXPATHLEN + 1]; 755 ffs_opt_t *ffs_opts = fsopts->fs_specific; 756 757 assert(dir != NULL); 758 assert(root != NULL); 759 assert(fsopts != NULL); 760 assert(ffs_opts != NULL); 761 762 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 763 764 if (debug & DEBUG_FS_POPULATE) 765 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 766 767 /* 768 * pass 1: allocate inode numbers, build directory `file' 769 */ 770 for (cur = root; cur != NULL; cur = cur->next) { 771 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 772 cur->inode->flags |= FI_ALLOCATED; 773 if (cur == root && cur->parent != NULL) 774 cur->inode->ino = cur->parent->inode->ino; 775 else { 776 cur->inode->ino = fsopts->curinode; 777 fsopts->curinode++; 778 } 779 } 780 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 781 if (cur == root) { /* we're at "."; add ".." */ 782 ffs_make_dirbuf(&dirbuf, "..", 783 cur->parent == NULL ? cur : cur->parent->first, 784 fsopts->needswap); 785 root->inode->nlink++; /* count my parent's link */ 786 } else if (cur->child != NULL) 787 root->inode->nlink++; /* count my child's link */ 788 789 /* 790 * XXX possibly write file and long symlinks here, 791 * ensuring that blocks get written before inodes? 792 * otoh, this isn't a real filesystem, so who 793 * cares about ordering? :-) 794 */ 795 } 796 if (debug & DEBUG_FS_POPULATE_DIRBUF) 797 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 798 799 /* 800 * pass 2: write out dirbuf, then non-directories at this level 801 */ 802 if (debug & DEBUG_FS_POPULATE) 803 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 804 for (cur = root; cur != NULL; cur = cur->next) { 805 if (cur->inode->flags & FI_WRITTEN) 806 continue; /* skip hard-linked entries */ 807 cur->inode->flags |= FI_WRITTEN; 808 809 if ((size_t)snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 810 cur->path, cur->name) >= sizeof(path)) 811 errx(EXIT_FAILURE, "Pathname too long."); 812 813 if (cur->child != NULL) 814 continue; /* child creates own inode */ 815 816 /* build on-disk inode */ 817 if (ffs_opts->version == 1) 818 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 819 root, fsopts); 820 else 821 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 822 root, fsopts); 823 824 if (debug & DEBUG_FS_POPULATE_NODE) { 825 printf("ffs_populate_dir: writing ino %lld, %s", 826 (long long)cur->inode->ino, inode_type(cur->type)); 827 if (cur->inode->nlink > 1) 828 printf(", nlink %d", cur->inode->nlink); 829 putchar('\n'); 830 } 831 832 if (membuf != NULL) { 833 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 834 } else if (S_ISREG(cur->type)) { 835 ffs_write_file(&din, cur->inode->ino, path, fsopts); 836 } else { 837 assert (! S_ISDIR(cur->type)); 838 ffs_write_inode(&din, cur->inode->ino, fsopts); 839 } 840 } 841 842 /* 843 * pass 3: write out sub-directories 844 */ 845 if (debug & DEBUG_FS_POPULATE) 846 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 847 for (cur = root; cur != NULL; cur = cur->next) { 848 if (cur->child == NULL) 849 continue; 850 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 851 cur->name) >= sizeof(path)) 852 errx(EXIT_FAILURE, "Pathname too long."); 853 if (! ffs_populate_dir(path, cur->child, fsopts)) 854 return (0); 855 } 856 857 if (debug & DEBUG_FS_POPULATE) 858 printf("ffs_populate_dir: DONE dir %s\n", dir); 859 860 /* cleanup */ 861 if (dirbuf.buf != NULL) 862 free(dirbuf.buf); 863 return (1); 864 } 865 866 867 static void 868 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 869 { 870 int isfile, ffd; 871 char *fbuf, *p; 872 off_t bufleft, chunk, offset; 873 ssize_t nread; 874 struct inode in; 875 struct buf * bp; 876 ffs_opt_t *ffs_opts = fsopts->fs_specific; 877 struct vnode vp = { fsopts, NULL }; 878 879 assert (din != NULL); 880 assert (buf != NULL); 881 assert (fsopts != NULL); 882 assert (ffs_opts != NULL); 883 884 isfile = S_ISREG(DIP(din, mode)); 885 fbuf = NULL; 886 ffd = -1; 887 p = NULL; 888 889 in.i_fs = (struct fs *)fsopts->superblock; 890 in.i_devvp = &vp; 891 892 if (debug & DEBUG_FS_WRITE_FILE) { 893 printf( 894 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 895 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 896 (long long)DIP(din, size)); 897 if (isfile) 898 printf(", file '%s'\n", (char *)buf); 899 else 900 printf(", buffer %p\n", buf); 901 } 902 903 in.i_number = ino; 904 in.i_size = DIP(din, size); 905 if (ffs_opts->version == 1) 906 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 907 sizeof(in.i_din.ffs1_din)); 908 else 909 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 910 sizeof(in.i_din.ffs2_din)); 911 912 if (DIP(din, size) == 0) 913 goto write_inode_and_leave; /* mmm, cheating */ 914 915 if (isfile) { 916 fbuf = emalloc(ffs_opts->bsize); 917 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 918 warn("Can't open `%s' for reading", (char *)buf); 919 goto leave_ffs_write_file; 920 } 921 } else { 922 p = buf; 923 } 924 925 chunk = 0; 926 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 927 chunk = MIN(bufleft, ffs_opts->bsize); 928 if (!isfile) 929 ; 930 else if ((nread = read(ffd, fbuf, chunk)) == -1) 931 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 932 (char *)buf, (long long)bufleft); 933 else if (nread != chunk) 934 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 935 "read %zd bytes, expected %ju bytes, does " 936 "metalog size= attribute mismatch source size?", 937 (char *)buf, (long long)bufleft, nread, 938 (uintmax_t)chunk); 939 else 940 p = fbuf; 941 offset = DIP(din, size) - bufleft; 942 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 943 printf( 944 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 945 p, (long long)offset, 946 (long long)chunk, (long long)bufleft); 947 /* 948 * XXX if holey support is desired, do the check here 949 * 950 * XXX might need to write out last bit in fragroundup 951 * sized chunk. however, ffs_balloc() handles this for us 952 */ 953 errno = ffs_balloc(&in, offset, chunk, &bp); 954 bad_ffs_write_file: 955 if (errno != 0) 956 err(EXIT_FAILURE, 957 "Writing inode %d (%s), bytes %lld + %lld", 958 ino, 959 isfile ? (char *)buf : 960 inode_type(DIP(din, mode) & S_IFMT), 961 (long long)offset, (long long)chunk); 962 memcpy(bp->b_data, p, chunk); 963 errno = bwrite(bp); 964 if (errno != 0) 965 goto bad_ffs_write_file; 966 if (!isfile) 967 p += chunk; 968 } 969 970 write_inode_and_leave: 971 ffs_write_inode(&in.i_din, in.i_number, fsopts); 972 973 leave_ffs_write_file: 974 if (fbuf) 975 free(fbuf); 976 if (ffd != -1) 977 close(ffd); 978 } 979 980 981 static void 982 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 983 { 984 doff_t i; 985 struct direct *de; 986 uint16_t reclen; 987 988 assert (dbuf != NULL); 989 assert (dir != NULL); 990 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 991 dir, dbuf->size, dbuf->cur); 992 993 for (i = 0; i < dbuf->size; ) { 994 de = (struct direct *)(dbuf->buf + i); 995 reclen = ufs_rw16(de->d_reclen, needswap); 996 printf( 997 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 998 ufs_rw32(de->d_fileno, needswap), 999 inode_type(DTTOIF(de->d_type)), i, reclen, 1000 de->d_namlen, de->d_name); 1001 i += reclen; 1002 assert(reclen > 0); 1003 } 1004 } 1005 1006 static void 1007 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1008 { 1009 struct direct de, *dp; 1010 uint16_t llen, reclen; 1011 u_char *newbuf; 1012 1013 assert (dbuf != NULL); 1014 assert (name != NULL); 1015 assert (node != NULL); 1016 /* create direct entry */ 1017 (void)memset(&de, 0, sizeof(de)); 1018 de.d_fileno = ufs_rw32(node->inode->ino, needswap); 1019 de.d_type = IFTODT(node->type); 1020 de.d_namlen = (uint8_t)strlen(name); 1021 strcpy(de.d_name, name); 1022 reclen = UFS_DIRSIZ(0, &de, needswap); 1023 de.d_reclen = ufs_rw16(reclen, needswap); 1024 1025 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1026 llen = 0; 1027 if (dp != NULL) 1028 llen = UFS_DIRSIZ(0, dp, needswap); 1029 1030 if (debug & DEBUG_FS_MAKE_DIRBUF) 1031 printf( 1032 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1033 " ino %d type %d reclen %d namlen %d name %.30s\n", 1034 dbuf->size, dbuf->cur, llen, 1035 ufs_rw32(de.d_fileno, needswap), de.d_type, reclen, 1036 de.d_namlen, de.d_name); 1037 1038 if (reclen + dbuf->cur + llen > roundup(dbuf->size, UFS_DIRBLKSIZ)) { 1039 if (debug & DEBUG_FS_MAKE_DIRBUF) 1040 printf("ffs_make_dirbuf: growing buf to %d\n", 1041 dbuf->size + UFS_DIRBLKSIZ); 1042 newbuf = erealloc(dbuf->buf, dbuf->size + UFS_DIRBLKSIZ); 1043 dbuf->buf = newbuf; 1044 dbuf->size += UFS_DIRBLKSIZ; 1045 memset(dbuf->buf + dbuf->size - UFS_DIRBLKSIZ, 0, UFS_DIRBLKSIZ); 1046 dbuf->cur = dbuf->size - UFS_DIRBLKSIZ; 1047 } else if (dp) { /* shrink end of previous */ 1048 dp->d_reclen = ufs_rw16(llen,needswap); 1049 dbuf->cur += llen; 1050 } 1051 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1052 memcpy(dp, &de, reclen); 1053 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1054 } 1055 1056 /* 1057 * cribbed from sys/ufs/ffs/ffs_alloc.c 1058 */ 1059 static void 1060 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1061 { 1062 char *buf; 1063 struct ufs1_dinode *dp1; 1064 struct ufs2_dinode *dp2, *dip; 1065 struct cg *cgp; 1066 struct fs *fs; 1067 uint32_t cg, cgino, i; 1068 daddr_t d; 1069 char sbbuf[FFS_MAXBSIZE]; 1070 uint32_t initediblk; 1071 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1072 1073 assert (dp != NULL); 1074 assert (ino > 0); 1075 assert (fsopts != NULL); 1076 assert (ffs_opts != NULL); 1077 1078 fs = (struct fs *)fsopts->superblock; 1079 cg = ino_to_cg(fs, ino); 1080 cgino = ino % fs->fs_ipg; 1081 if (debug & DEBUG_FS_WRITE_INODE) 1082 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1083 dp, ino, cg, cgino); 1084 1085 ffs_rdfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1086 fsopts); 1087 cgp = (struct cg *)sbbuf; 1088 if (!cg_chkmagic(cgp, fsopts->needswap)) 1089 errx(EXIT_FAILURE, 1090 "ffs_write_inode: cg %d: bad magic number", cg); 1091 1092 assert (isclr(cg_inosused(cgp, fsopts->needswap), cgino)); 1093 1094 buf = emalloc(fs->fs_bsize); 1095 dp1 = (struct ufs1_dinode *)buf; 1096 dp2 = (struct ufs2_dinode *)buf; 1097 1098 if (fs->fs_cstotal.cs_nifree == 0) 1099 errx(EXIT_FAILURE, 1100 "ffs_write_inode: fs out of inodes for ino %u", ino); 1101 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1102 errx(EXIT_FAILURE, 1103 "ffs_write_inode: cg %d out of inodes for ino %u", 1104 cg, ino); 1105 setbit(cg_inosused(cgp, fsopts->needswap), cgino); 1106 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1107 fs->fs_cstotal.cs_nifree--; 1108 fs->fs_cs(fs, cg).cs_nifree--; 1109 if (S_ISDIR(DIP(dp, mode))) { 1110 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1111 fs->fs_cstotal.cs_ndir++; 1112 fs->fs_cs(fs, cg).cs_ndir++; 1113 } 1114 1115 /* 1116 * Initialize inode blocks on the fly for UFS2. 1117 */ 1118 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1119 while (ffs_opts->version == 2 && 1120 (uint32_t)(cgino + FFS_INOPB(fs)) > initediblk && 1121 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1122 memset(buf, 0, fs->fs_bsize); 1123 dip = (struct ufs2_dinode *)buf; 1124 for (i = 0; i < FFS_INOPB(fs); i++) { 1125 dip->di_gen = random() / 2 + 1; 1126 dip++; 1127 } 1128 ffs_wtfs(FFS_FSBTODB(fs, ino_to_fsba(fs, 1129 cg * fs->fs_ipg + initediblk)), 1130 fs->fs_bsize, buf, fsopts); 1131 initediblk += FFS_INOPB(fs); 1132 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1133 } 1134 1135 1136 ffs_wtfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1137 fsopts); 1138 1139 /* now write inode */ 1140 d = FFS_FSBTODB(fs, ino_to_fsba(fs, ino)); 1141 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1142 if (fsopts->needswap) { 1143 if (ffs_opts->version == 1) 1144 ffs_dinode1_swap(&dp->ffs1_din, 1145 &dp1[ino_to_fsbo(fs, ino)]); 1146 else 1147 ffs_dinode2_swap(&dp->ffs2_din, 1148 &dp2[ino_to_fsbo(fs, ino)]); 1149 } else { 1150 if (ffs_opts->version == 1) 1151 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1152 else 1153 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1154 } 1155 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1156 free(buf); 1157 } 1158 1159 void 1160 panic(const char *fmt, ...) 1161 { 1162 va_list ap; 1163 1164 va_start(ap, fmt); 1165 vwarnx(fmt, ap); 1166 va_end(ap); 1167 exit(EXIT_FAILURE); 1168 } 1169
Indexes created Thu Sep 25 16:09:42 GMT 2025