1 /* $NetBSD: ffs.c,v 1.45 2011/10/09 22:49:26 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 #include <sys/cdefs.h> 69 __FBSDID("$FreeBSD$"); 70 71 #include <sys/param.h> 72 73 #include <sys/mount.h> 74 75 #include <assert.h> 76 #include <errno.h> 77 #include <fcntl.h> 78 #include <stdarg.h> 79 #include <stdint.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <string.h> 83 #include <time.h> 84 #include <unistd.h> 85 86 #include "makefs.h" 87 #include "ffs.h" 88 89 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 90 #include <sys/statvfs.h> 91 #endif 92 93 #include <ufs/ufs/dinode.h> 94 #include <ufs/ufs/dir.h> 95 #include <ufs/ffs/fs.h> 96 97 98 #include "ffs/ufs_bswap.h" 99 #include "ffs/ufs_inode.h" 100 #include "ffs/newfs_extern.h" 101 #include "ffs/ffs_extern.h" 102 103 #undef DIP 104 #define DIP(dp, field) \ 105 ((ffs_opts->version == 1) ? \ 106 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 107 108 /* 109 * Various file system defaults (cribbed from newfs(8)). 110 */ 111 #define DFL_FRAGSIZE 1024 /* fragment size */ 112 #define DFL_BLKSIZE 8192 /* block size */ 113 #define DFL_SECSIZE 512 /* sector size */ 114 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 115 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 116 #define DFL_ROTDELAY 0 /* rotational delay */ 117 #define DFL_NRPOS 1 /* rotational positions */ 118 #define DFL_RPM 3600 /* rpm of disk */ 119 #define DFL_NSECTORS 64 /* # of sectors */ 120 #define DFL_NTRACKS 16 /* # of tracks */ 121 122 123 typedef struct { 124 u_char *buf; /* buf for directory */ 125 doff_t size; /* full size of buf */ 126 doff_t cur; /* offset of current entry */ 127 } dirbuf_t; 128 129 130 static int ffs_create_image(const char *, fsinfo_t *); 131 static void ffs_dump_fsinfo(fsinfo_t *); 132 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 133 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 134 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 135 static void ffs_size_dir(fsnode *, fsinfo_t *); 136 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 137 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 138 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 139 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 140 fsnode *, fsinfo_t *); 141 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 142 fsnode *, fsinfo_t *); 143 144 145 146 int sectorsize; /* XXX: for buf.c::getblk() */ 147 /* publicly visible functions */ 148 149 void 150 ffs_prep_opts(fsinfo_t *fsopts) 151 { 152 ffs_opt_t *ffs_opts; 153 154 if ((ffs_opts = calloc(1, sizeof(ffs_opt_t))) == NULL) 155 err(1, "Allocating memory for ffs_options"); 156 157 const option_t ffs_options[] = { 158 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 159 1, INT_MAX, "block size" }, 160 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 161 1, INT_MAX, "fragment size" }, 162 { 'd', "density", &ffs_opts->density, OPT_INT32, 163 1, INT_MAX, "bytes per inode" }, 164 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 165 0, 99, "minfree" }, 166 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 167 1, INT_MAX, "max blocks per file in a cg" }, 168 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 169 1, INT_MAX, "expected average file size" }, 170 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 171 1, INT_MAX, "expected # of files per directory" }, 172 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 173 1, INT_MAX, "maximum # extent size" }, 174 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 175 1, INT_MAX, "max # of blocks per group" }, 176 { 'v', "version", &ffs_opts->version, OPT_INT32, 177 1, 2, "UFS version" }, 178 { 'o', "optimization", NULL, OPT_STRBUF, 179 0, 0, "Optimization (time|space)" }, 180 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 181 1, sizeof(ffs_opts->label), "UFS label" }, 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; 196 197 fsopts->fs_specific = ffs_opts; 198 fsopts->fs_options = copy_opts(ffs_options); 199 } 200 201 void 202 ffs_cleanup_opts(fsinfo_t *fsopts) 203 { 204 free(fsopts->fs_specific); 205 free(fsopts->fs_options); 206 } 207 208 int 209 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 210 { 211 ffs_opt_t *ffs_opts = fsopts->fs_specific; 212 option_t *ffs_options = fsopts->fs_options; 213 char buf[1024]; 214 215 int rv; 216 217 assert(option != NULL); 218 assert(fsopts != NULL); 219 assert(ffs_opts != NULL); 220 221 if (debug & DEBUG_FS_PARSE_OPTS) 222 printf("ffs_parse_opts: got `%s'\n", option); 223 224 rv = set_option(ffs_options, option, buf, sizeof(buf)); 225 if (rv == -1) 226 return 0; 227 228 if (ffs_options[rv].name == NULL) 229 abort(); 230 231 switch (ffs_options[rv].letter) { 232 case 'o': 233 if (strcmp(buf, "time") == 0) { 234 ffs_opts->optimization = FS_OPTTIME; 235 } else if (strcmp(buf, "space") == 0) { 236 ffs_opts->optimization = FS_OPTSPACE; 237 } else { 238 warnx("Invalid optimization `%s'", buf); 239 return 0; 240 } 241 break; 242 default: 243 break; 244 } 245 return 1; 246 } 247 248 249 void 250 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 251 { 252 struct fs *superblock; 253 struct timeval start; 254 255 assert(image != NULL); 256 assert(dir != NULL); 257 assert(root != NULL); 258 assert(fsopts != NULL); 259 260 if (debug & DEBUG_FS_MAKEFS) 261 printf("ffs_makefs: image %s directory %s root %p\n", 262 image, dir, root); 263 264 /* validate tree and options */ 265 TIMER_START(start); 266 ffs_validate(dir, root, fsopts); 267 TIMER_RESULTS(start, "ffs_validate"); 268 269 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 270 image, (long long)fsopts->size, (long long)fsopts->inodes); 271 272 /* create image */ 273 TIMER_START(start); 274 if (ffs_create_image(image, fsopts) == -1) 275 errx(1, "Image file `%s' not created.", image); 276 TIMER_RESULTS(start, "ffs_create_image"); 277 278 fsopts->curinode = UFS_ROOTINO; 279 280 if (debug & DEBUG_FS_MAKEFS) 281 putchar('\n'); 282 283 /* populate image */ 284 printf("Populating `%s'\n", image); 285 TIMER_START(start); 286 if (! ffs_populate_dir(dir, root, fsopts)) 287 errx(1, "Image file `%s' not populated.", image); 288 TIMER_RESULTS(start, "ffs_populate_dir"); 289 290 /* ensure no outstanding buffers remain */ 291 if (debug & DEBUG_FS_MAKEFS) 292 bcleanup(); 293 294 /* update various superblock parameters */ 295 superblock = fsopts->superblock; 296 superblock->fs_fmod = 0; 297 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 298 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 299 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 300 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 301 302 /* write out superblock; image is now complete */ 303 ffs_write_superblock(fsopts->superblock, fsopts); 304 if (close(fsopts->fd) == -1) 305 err(1, "Closing `%s'", image); 306 fsopts->fd = -1; 307 printf("Image `%s' complete\n", image); 308 } 309 310 /* end of public functions */ 311 312 313 static void 314 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 315 { 316 int32_t ncg = 1; 317 #if notyet 318 int32_t spc, nspf, ncyl, fssize; 319 #endif 320 ffs_opt_t *ffs_opts = fsopts->fs_specific; 321 322 assert(dir != NULL); 323 assert(root != NULL); 324 assert(fsopts != NULL); 325 assert(ffs_opts != NULL); 326 327 if (debug & DEBUG_FS_VALIDATE) { 328 printf("ffs_validate: before defaults set:\n"); 329 ffs_dump_fsinfo(fsopts); 330 } 331 332 /* set FFS defaults */ 333 if (fsopts->sectorsize == -1) 334 fsopts->sectorsize = DFL_SECSIZE; 335 if (ffs_opts->fsize == -1) 336 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 337 if (ffs_opts->bsize == -1) 338 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 339 if (ffs_opts->cpg == -1) 340 ffs_opts->cpg = DFL_CYLSPERGROUP; 341 else 342 ffs_opts->cpgflg = 1; 343 /* fsopts->density is set below */ 344 if (ffs_opts->nsectors == -1) 345 ffs_opts->nsectors = DFL_NSECTORS; 346 if (ffs_opts->minfree == -1) 347 ffs_opts->minfree = MINFREE; 348 if (ffs_opts->optimization == -1) 349 ffs_opts->optimization = DEFAULTOPT; 350 if (ffs_opts->maxcontig == -1) 351 ffs_opts->maxcontig = 352 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 353 /* XXX ondisk32 */ 354 if (ffs_opts->maxbpg == -1) 355 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 356 if (ffs_opts->avgfilesize == -1) 357 ffs_opts->avgfilesize = AVFILESIZ; 358 if (ffs_opts->avgfpdir == -1) 359 ffs_opts->avgfpdir = AFPDIR; 360 361 if (fsopts->maxsize > 0 && 362 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 363 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 364 "exceeds maxsize %lld. Lower bsize, or round the minimum " 365 "and maximum sizes to bsize.", dir, 366 (long long)fsopts->minsize, ffs_opts->bsize, 367 (long long)fsopts->maxsize); 368 369 /* calculate size of tree */ 370 ffs_size_dir(root, fsopts); 371 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 372 373 if (debug & DEBUG_FS_VALIDATE) 374 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 375 (long long)fsopts->size, (long long)fsopts->inodes); 376 377 /* add requested slop */ 378 fsopts->size += fsopts->freeblocks; 379 fsopts->inodes += fsopts->freefiles; 380 if (fsopts->freefilepc > 0) 381 fsopts->inodes = 382 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 383 if (fsopts->freeblockpc > 0) 384 fsopts->size = 385 fsopts->size * (100 + fsopts->freeblockpc) / 100; 386 387 /* add space needed for superblocks */ 388 /* 389 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 390 * typically used for small filesystems where space matters. 391 * XXX make this an option. 392 */ 393 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 394 /* add space needed to store inodes, x3 for blockmaps, etc */ 395 if (ffs_opts->version == 1) 396 fsopts->size += ncg * DINODE1_SIZE * 397 roundup(fsopts->inodes / ncg, 398 ffs_opts->bsize / DINODE1_SIZE); 399 else 400 fsopts->size += ncg * DINODE2_SIZE * 401 roundup(fsopts->inodes / ncg, 402 ffs_opts->bsize / DINODE2_SIZE); 403 404 /* add minfree */ 405 if (ffs_opts->minfree > 0) 406 fsopts->size = 407 fsopts->size * (100 + ffs_opts->minfree) / 100; 408 /* 409 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 410 */ 411 412 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 413 fsopts->size = fsopts->minsize; 414 415 /* round up to the next block */ 416 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 417 418 /* round up to requested block size, if any */ 419 if (fsopts->roundup > 0) 420 fsopts->size = roundup(fsopts->size, fsopts->roundup); 421 422 /* calculate density if necessary */ 423 if (ffs_opts->density == -1) 424 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 425 426 if (debug & DEBUG_FS_VALIDATE) { 427 printf("ffs_validate: after defaults set:\n"); 428 ffs_dump_fsinfo(fsopts); 429 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 430 dir, (long long)fsopts->size, (long long)fsopts->inodes); 431 } 432 sectorsize = fsopts->sectorsize; /* XXX - see earlier */ 433 434 /* now check calculated sizes vs requested sizes */ 435 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 436 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 437 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 438 } 439 } 440 441 442 static void 443 ffs_dump_fsinfo(fsinfo_t *f) 444 { 445 446 ffs_opt_t *fs = f->fs_specific; 447 448 printf("fsopts at %p\n", f); 449 450 printf("\tsize %lld, inodes %lld, curinode %u\n", 451 (long long)f->size, (long long)f->inodes, f->curinode); 452 453 printf("\tminsize %lld, maxsize %lld\n", 454 (long long)f->minsize, (long long)f->maxsize); 455 printf("\tfree files %lld, freefile %% %d\n", 456 (long long)f->freefiles, f->freefilepc); 457 printf("\tfree blocks %lld, freeblock %% %d\n", 458 (long long)f->freeblocks, f->freeblockpc); 459 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 460 461 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 462 fs->bsize, fs->fsize, fs->cpg, fs->density); 463 printf("\tnsectors %d, rpm %d, minfree %d\n", 464 fs->nsectors, fs->rpm, fs->minfree); 465 printf("\tmaxcontig %d, maxbpg %d\n", 466 fs->maxcontig, fs->maxbpg); 467 printf("\toptimization %s\n", 468 fs->optimization == FS_OPTSPACE ? "space" : "time"); 469 } 470 471 472 static int 473 ffs_create_image(const char *image, fsinfo_t *fsopts) 474 { 475 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 476 struct statvfs sfs; 477 #endif 478 struct fs *fs; 479 char *buf; 480 int i, bufsize; 481 off_t bufrem; 482 time_t tstamp; 483 484 assert (image != NULL); 485 assert (fsopts != NULL); 486 487 /* create image */ 488 if ((fsopts->fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) 489 == -1) { 490 warn("Can't open `%s' for writing", image); 491 return (-1); 492 } 493 494 /* zero image */ 495 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 496 if (fstatvfs(fsopts->fd, &sfs) == -1) { 497 #endif 498 bufsize = 8192; 499 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 500 warn("can't fstatvfs `%s', using default %d byte chunk", 501 image, bufsize); 502 } else 503 bufsize = sfs.f_iosize; 504 #endif 505 bufrem = fsopts->size; 506 if (fsopts->sparse) { 507 if (ftruncate(fsopts->fd, bufrem) == -1) { 508 warn("sparse option disabled."); 509 fsopts->sparse = 0; 510 } 511 } 512 if (fsopts->sparse) { 513 /* File truncated at bufrem. Remaining is 0 */ 514 bufrem = 0; 515 buf = NULL; 516 } else { 517 if (debug & DEBUG_FS_CREATE_IMAGE) 518 printf("zero-ing image `%s', %lld sectors, " 519 "using %d byte chunks\n", image, (long long)bufrem, 520 bufsize); 521 if ((buf = calloc(1, bufsize)) == NULL) { 522 warn("Can't create buffer for sector"); 523 return (-1); 524 } 525 } 526 while (bufrem > 0) { 527 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 528 if (i == -1) { 529 warn("zeroing image, %lld bytes to go", 530 (long long)bufrem); 531 free(buf); 532 return (-1); 533 } 534 bufrem -= i; 535 } 536 if (buf) 537 free(buf); 538 539 /* make the file system */ 540 if (debug & DEBUG_FS_CREATE_IMAGE) 541 printf("calling mkfs(\"%s\", ...)\n", image); 542 543 if (stampst.st_ino != 0) 544 tstamp = stampst.st_ctime; 545 else 546 tstamp = start_time.tv_sec; 547 548 srandom(tstamp); 549 550 fs = ffs_mkfs(image, fsopts, tstamp); 551 fsopts->superblock = (void *)fs; 552 if (debug & DEBUG_FS_CREATE_IMAGE) { 553 time_t t; 554 555 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 556 printf("mkfs returned %p; fs_time %s", 557 fsopts->superblock, ctime(&t)); 558 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 559 (long long)fs->fs_cstotal.cs_nbfree, 560 (long long)fs->fs_cstotal.cs_nffree, 561 (long long)fs->fs_cstotal.cs_nifree, 562 (long long)fs->fs_cstotal.cs_ndir); 563 } 564 565 if (fs->fs_cstotal.cs_nifree + UFS_ROOTINO < fsopts->inodes) { 566 warnx( 567 "Image file `%s' has %lld free inodes; %lld are required.", 568 image, 569 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 570 (long long)fsopts->inodes); 571 return (-1); 572 } 573 return (fsopts->fd); 574 } 575 576 577 static void 578 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 579 { 580 struct direct tmpdir; 581 fsnode * node; 582 int curdirsize, this; 583 ffs_opt_t *ffs_opts = fsopts->fs_specific; 584 585 /* node may be NULL (empty directory) */ 586 assert(fsopts != NULL); 587 assert(ffs_opts != NULL); 588 589 if (debug & DEBUG_FS_SIZE_DIR) 590 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 591 (long long)fsopts->size, (long long)fsopts->inodes); 592 593 #define ADDDIRENT(e) do { \ 594 tmpdir.d_namlen = strlen((e)); \ 595 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 596 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 597 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 598 e, tmpdir.d_namlen, this, curdirsize); \ 599 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 600 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 601 curdirsize += this; \ 602 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 603 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 604 e, tmpdir.d_namlen, this, curdirsize); \ 605 } while (0); 606 607 /* 608 * XXX this needs to take into account extra space consumed 609 * by indirect blocks, etc. 610 */ 611 #define ADDSIZE(x) do { \ 612 fsopts->size += roundup((x), ffs_opts->fsize); \ 613 } while (0); 614 615 curdirsize = 0; 616 for (node = root; node != NULL; node = node->next) { 617 ADDDIRENT(node->name); 618 if (node == root) { /* we're at "." */ 619 assert(strcmp(node->name, ".") == 0); 620 ADDDIRENT(".."); 621 } else if ((node->inode->flags & FI_SIZED) == 0) { 622 /* don't count duplicate names */ 623 node->inode->flags |= FI_SIZED; 624 if (debug & DEBUG_FS_SIZE_DIR_NODE) 625 printf("ffs_size_dir: `%s' size %lld\n", 626 node->name, 627 (long long)node->inode->st.st_size); 628 fsopts->inodes++; 629 if (node->type == S_IFREG) 630 ADDSIZE(node->inode->st.st_size); 631 if (node->type == S_IFLNK) { 632 int slen; 633 634 slen = strlen(node->symlink) + 1; 635 if (slen >= (ffs_opts->version == 1 ? 636 UFS1_MAXSYMLINKLEN : 637 UFS2_MAXSYMLINKLEN)) 638 ADDSIZE(slen); 639 } 640 } 641 if (node->type == S_IFDIR) 642 ffs_size_dir(node->child, fsopts); 643 } 644 ADDSIZE(curdirsize); 645 646 if (debug & DEBUG_FS_SIZE_DIR) 647 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 648 (long long)fsopts->size, (long long)fsopts->inodes); 649 } 650 651 static void * 652 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 653 fsnode *root, fsinfo_t *fsopts) 654 { 655 int slen; 656 void *membuf; 657 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 658 659 memset(dinp, 0, sizeof(*dinp)); 660 dinp->di_mode = cur->inode->st.st_mode; 661 dinp->di_nlink = cur->inode->nlink; 662 dinp->di_size = cur->inode->st.st_size; 663 #if HAVE_STRUCT_STAT_ST_FLAGS 664 dinp->di_flags = cur->inode->st.st_flags; 665 #endif 666 dinp->di_gen = random(); 667 dinp->di_uid = cur->inode->st.st_uid; 668 dinp->di_gid = cur->inode->st.st_gid; 669 670 dinp->di_atime = st->st_atime; 671 dinp->di_mtime = st->st_mtime; 672 dinp->di_ctime = st->st_ctime; 673 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 674 dinp->di_atimensec = st->st_atimensec; 675 dinp->di_mtimensec = st->st_mtimensec; 676 dinp->di_ctimensec = st->st_ctimensec; 677 #endif 678 /* not set: di_db, di_ib, di_blocks, di_spare */ 679 680 membuf = NULL; 681 if (cur == root) { /* "."; write dirbuf */ 682 membuf = dbufp->buf; 683 dinp->di_size = dbufp->size; 684 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 685 dinp->di_size = 0; /* a device */ 686 dinp->di_rdev = 687 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 688 } else if (S_ISLNK(cur->type)) { /* symlink */ 689 slen = strlen(cur->symlink); 690 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 691 memcpy(dinp->di_db, cur->symlink, slen); 692 } else 693 membuf = cur->symlink; 694 dinp->di_size = slen; 695 } 696 return membuf; 697 } 698 699 static void * 700 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 701 fsnode *root, fsinfo_t *fsopts) 702 { 703 int slen; 704 void *membuf; 705 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 706 707 memset(dinp, 0, sizeof(*dinp)); 708 dinp->di_mode = cur->inode->st.st_mode; 709 dinp->di_nlink = cur->inode->nlink; 710 dinp->di_size = cur->inode->st.st_size; 711 #if HAVE_STRUCT_STAT_ST_FLAGS 712 dinp->di_flags = cur->inode->st.st_flags; 713 #endif 714 dinp->di_gen = random(); 715 dinp->di_uid = cur->inode->st.st_uid; 716 dinp->di_gid = cur->inode->st.st_gid; 717 718 dinp->di_atime = st->st_atime; 719 dinp->di_mtime = st->st_mtime; 720 dinp->di_ctime = st->st_ctime; 721 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 722 dinp->di_atimensec = st->st_atimensec; 723 dinp->di_mtimensec = st->st_mtimensec; 724 dinp->di_ctimensec = st->st_ctimensec; 725 #endif 726 #if HAVE_STRUCT_STAT_BIRTHTIME 727 dinp->di_birthtime = st->st_birthtime; 728 dinp->di_birthnsec = st->st_birthtimensec; 729 #endif 730 /* not set: di_db, di_ib, di_blocks, di_spare */ 731 732 membuf = NULL; 733 if (cur == root) { /* "."; write dirbuf */ 734 membuf = dbufp->buf; 735 dinp->di_size = dbufp->size; 736 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 737 dinp->di_size = 0; /* a device */ 738 dinp->di_rdev = 739 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 740 } else if (S_ISLNK(cur->type)) { /* symlink */ 741 slen = strlen(cur->symlink); 742 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 743 memcpy(dinp->di_db, cur->symlink, slen); 744 } else 745 membuf = cur->symlink; 746 dinp->di_size = slen; 747 } 748 return membuf; 749 } 750 751 static int 752 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 753 { 754 fsnode *cur; 755 dirbuf_t dirbuf; 756 union dinode din; 757 void *membuf; 758 char path[MAXPATHLEN + 1]; 759 ffs_opt_t *ffs_opts = fsopts->fs_specific; 760 761 assert(dir != NULL); 762 assert(root != NULL); 763 assert(fsopts != NULL); 764 assert(ffs_opts != NULL); 765 766 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 767 768 if (debug & DEBUG_FS_POPULATE) 769 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 770 771 /* 772 * pass 1: allocate inode numbers, build directory `file' 773 */ 774 for (cur = root; cur != NULL; cur = cur->next) { 775 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 776 cur->inode->flags |= FI_ALLOCATED; 777 if (cur == root && cur->parent != NULL) 778 cur->inode->ino = cur->parent->inode->ino; 779 else { 780 cur->inode->ino = fsopts->curinode; 781 fsopts->curinode++; 782 } 783 } 784 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 785 if (cur == root) { /* we're at "."; add ".." */ 786 ffs_make_dirbuf(&dirbuf, "..", 787 cur->parent == NULL ? cur : cur->parent->first, 788 fsopts->needswap); 789 root->inode->nlink++; /* count my parent's link */ 790 } else if (cur->child != NULL) 791 root->inode->nlink++; /* count my child's link */ 792 793 /* 794 * XXX possibly write file and long symlinks here, 795 * ensuring that blocks get written before inodes? 796 * otoh, this isn't a real filesystem, so who 797 * cares about ordering? :-) 798 */ 799 } 800 if (debug & DEBUG_FS_POPULATE_DIRBUF) 801 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 802 803 /* 804 * pass 2: write out dirbuf, then non-directories at this level 805 */ 806 if (debug & DEBUG_FS_POPULATE) 807 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 808 for (cur = root; cur != NULL; cur = cur->next) { 809 if (cur->inode->flags & FI_WRITTEN) 810 continue; /* skip hard-linked entries */ 811 cur->inode->flags |= FI_WRITTEN; 812 813 if (cur->contents == NULL) { 814 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 815 cur->path, cur->name) >= (int)sizeof(path)) 816 errx(1, "Pathname too long."); 817 } 818 819 if (cur->child != NULL) 820 continue; /* child creates own inode */ 821 822 /* build on-disk inode */ 823 if (ffs_opts->version == 1) 824 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 825 root, fsopts); 826 else 827 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 828 root, fsopts); 829 830 if (debug & DEBUG_FS_POPULATE_NODE) { 831 printf("ffs_populate_dir: writing ino %d, %s", 832 cur->inode->ino, inode_type(cur->type)); 833 if (cur->inode->nlink > 1) 834 printf(", nlink %d", cur->inode->nlink); 835 putchar('\n'); 836 } 837 838 if (membuf != NULL) { 839 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 840 } else if (S_ISREG(cur->type)) { 841 ffs_write_file(&din, cur->inode->ino, 842 (cur->contents) ? cur->contents : path, fsopts); 843 } else { 844 assert (! S_ISDIR(cur->type)); 845 ffs_write_inode(&din, cur->inode->ino, fsopts); 846 } 847 } 848 849 /* 850 * pass 3: write out sub-directories 851 */ 852 if (debug & DEBUG_FS_POPULATE) 853 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 854 for (cur = root; cur != NULL; cur = cur->next) { 855 if (cur->child == NULL) 856 continue; 857 if (snprintf(path, sizeof(path), "%s/%s", dir, cur->name) 858 >= sizeof(path)) 859 errx(1, "Pathname too long."); 860 if (! ffs_populate_dir(path, cur->child, fsopts)) 861 return (0); 862 } 863 864 if (debug & DEBUG_FS_POPULATE) 865 printf("ffs_populate_dir: DONE dir %s\n", dir); 866 867 /* cleanup */ 868 if (dirbuf.buf != NULL) 869 free(dirbuf.buf); 870 return (1); 871 } 872 873 874 static void 875 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 876 { 877 int isfile, ffd; 878 char *fbuf, *p; 879 off_t bufleft, chunk, offset; 880 ssize_t nread; 881 struct inode in; 882 struct buf * bp; 883 ffs_opt_t *ffs_opts = fsopts->fs_specific; 884 885 assert (din != NULL); 886 assert (buf != NULL); 887 assert (fsopts != NULL); 888 assert (ffs_opts != NULL); 889 890 isfile = S_ISREG(DIP(din, mode)); 891 fbuf = NULL; 892 ffd = -1; 893 p = NULL; 894 895 in.i_fs = (struct fs *)fsopts->superblock; 896 897 if (debug & DEBUG_FS_WRITE_FILE) { 898 printf( 899 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 900 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 901 (long long)DIP(din, size)); 902 if (isfile) 903 printf(", file '%s'\n", (char *)buf); 904 else 905 printf(", buffer %p\n", buf); 906 } 907 908 in.i_number = ino; 909 in.i_size = DIP(din, size); 910 if (ffs_opts->version == 1) 911 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 912 sizeof(in.i_din.ffs1_din)); 913 else 914 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 915 sizeof(in.i_din.ffs2_din)); 916 in.i_fd = fsopts->fd; 917 918 if (DIP(din, size) == 0) 919 goto write_inode_and_leave; /* mmm, cheating */ 920 921 if (isfile) { 922 if ((fbuf = malloc(ffs_opts->bsize)) == NULL) 923 err(1, "Allocating memory for write buffer"); 924 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 925 warn("Can't open `%s' for reading", (char *)buf); 926 goto leave_ffs_write_file; 927 } 928 } else { 929 p = buf; 930 } 931 932 chunk = 0; 933 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 934 chunk = MIN(bufleft, ffs_opts->bsize); 935 if (!isfile) 936 ; 937 else if ((nread = read(ffd, fbuf, chunk)) == -1) 938 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 939 (char *)buf, (long long)bufleft); 940 else if (nread != chunk) 941 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 942 "read %zd bytes, expected %ju bytes, does " 943 "metalog size= attribute mismatch source size?", 944 (char *)buf, (long long)bufleft, nread, 945 (uintmax_t)chunk); 946 else 947 p = fbuf; 948 offset = DIP(din, size) - bufleft; 949 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 950 printf( 951 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 952 p, (long long)offset, 953 (long long)chunk, (long long)bufleft); 954 /* 955 * XXX if holey support is desired, do the check here 956 * 957 * XXX might need to write out last bit in fragroundup 958 * sized chunk. however, ffs_balloc() handles this for us 959 */ 960 errno = ffs_balloc(&in, offset, chunk, &bp); 961 bad_ffs_write_file: 962 if (errno != 0) 963 err(1, 964 "Writing inode %d (%s), bytes %lld + %lld", 965 ino, 966 isfile ? (char *)buf : 967 inode_type(DIP(din, mode) & S_IFMT), 968 (long long)offset, (long long)chunk); 969 memcpy(bp->b_data, p, chunk); 970 errno = bwrite(bp); 971 if (errno != 0) 972 goto bad_ffs_write_file; 973 brelse(bp, 0); 974 if (!isfile) 975 p += chunk; 976 } 977 978 write_inode_and_leave: 979 ffs_write_inode(&in.i_din, in.i_number, fsopts); 980 981 leave_ffs_write_file: 982 if (fbuf) 983 free(fbuf); 984 if (ffd != -1) 985 close(ffd); 986 } 987 988 989 static void 990 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 991 { 992 doff_t i; 993 struct direct *de; 994 uint16_t reclen; 995 996 assert (dbuf != NULL); 997 assert (dir != NULL); 998 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 999 dir, dbuf->size, dbuf->cur); 1000 1001 for (i = 0; i < dbuf->size; ) { 1002 de = (struct direct *)(dbuf->buf + i); 1003 reclen = ufs_rw16(de->d_reclen, needswap); 1004 printf( 1005 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1006 ufs_rw32(de->d_ino, needswap), 1007 inode_type(DTTOIF(de->d_type)), i, reclen, 1008 de->d_namlen, de->d_name); 1009 i += reclen; 1010 assert(reclen > 0); 1011 } 1012 } 1013 1014 static void 1015 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1016 { 1017 struct direct de, *dp; 1018 uint16_t llen, reclen; 1019 u_char *newbuf; 1020 1021 assert (dbuf != NULL); 1022 assert (name != NULL); 1023 assert (node != NULL); 1024 /* create direct entry */ 1025 (void)memset(&de, 0, sizeof(de)); 1026 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1027 de.d_type = IFTODT(node->type); 1028 de.d_namlen = (uint8_t)strlen(name); 1029 strcpy(de.d_name, name); 1030 reclen = DIRSIZ_SWAP(0, &de, needswap); 1031 de.d_reclen = ufs_rw16(reclen, needswap); 1032 1033 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1034 llen = 0; 1035 if (dp != NULL) 1036 llen = DIRSIZ_SWAP(0, dp, needswap); 1037 1038 if (debug & DEBUG_FS_MAKE_DIRBUF) 1039 printf( 1040 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1041 " ino %d type %d reclen %d namlen %d name %.30s\n", 1042 dbuf->size, dbuf->cur, llen, 1043 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1044 de.d_namlen, de.d_name); 1045 1046 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1047 if (debug & DEBUG_FS_MAKE_DIRBUF) 1048 printf("ffs_make_dirbuf: growing buf to %d\n", 1049 dbuf->size + DIRBLKSIZ); 1050 if ((newbuf = realloc(dbuf->buf, dbuf->size + DIRBLKSIZ)) == NULL) 1051 err(1, "Allocating memory for directory buffer"); 1052 dbuf->buf = newbuf; 1053 dbuf->size += DIRBLKSIZ; 1054 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1055 dbuf->cur = dbuf->size - DIRBLKSIZ; 1056 } else if (dp) { /* shrink end of previous */ 1057 dp->d_reclen = ufs_rw16(llen,needswap); 1058 dbuf->cur += llen; 1059 } 1060 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1061 memcpy(dp, &de, reclen); 1062 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1063 } 1064 1065 /* 1066 * cribbed from sys/ufs/ffs/ffs_alloc.c 1067 */ 1068 static void 1069 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1070 { 1071 char *buf; 1072 struct ufs1_dinode *dp1; 1073 struct ufs2_dinode *dp2, *dip; 1074 struct cg *cgp; 1075 struct fs *fs; 1076 int cg, cgino, i; 1077 daddr_t d; 1078 char sbbuf[FFS_MAXBSIZE]; 1079 int32_t initediblk; 1080 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1081 1082 assert (dp != NULL); 1083 assert (ino > 0); 1084 assert (fsopts != NULL); 1085 assert (ffs_opts != NULL); 1086 1087 fs = (struct fs *)fsopts->superblock; 1088 cg = ino_to_cg(fs, ino); 1089 cgino = ino % fs->fs_ipg; 1090 if (debug & DEBUG_FS_WRITE_INODE) 1091 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1092 dp, ino, cg, cgino); 1093 1094 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1095 fsopts); 1096 cgp = (struct cg *)sbbuf; 1097 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1098 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1099 1100 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1101 1102 buf = malloc(fs->fs_bsize); 1103 if (buf == NULL) 1104 errx(1, "ffs_write_inode: cg %d: can't alloc inode block", cg); 1105 1106 dp1 = (struct ufs1_dinode *)buf; 1107 dp2 = (struct ufs2_dinode *)buf; 1108 1109 if (fs->fs_cstotal.cs_nifree == 0) 1110 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1111 ino); 1112 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1113 errx(1, 1114 "ffs_write_inode: cg %d out of inodes for ino %u", 1115 cg, ino); 1116 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1117 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1118 fs->fs_cstotal.cs_nifree--; 1119 fs->fs_cs(fs, cg).cs_nifree--; 1120 if (S_ISDIR(DIP(dp, mode))) { 1121 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1122 fs->fs_cstotal.cs_ndir++; 1123 fs->fs_cs(fs, cg).cs_ndir++; 1124 } 1125 1126 /* 1127 * Initialize inode blocks on the fly for UFS2. 1128 */ 1129 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1130 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1131 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1132 memset(buf, 0, fs->fs_bsize); 1133 dip = (struct ufs2_dinode *)buf; 1134 for (i = 0; i < INOPB(fs); i++) { 1135 dip->di_gen = random(); 1136 dip++; 1137 } 1138 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1139 cg * fs->fs_ipg + initediblk)), 1140 fs->fs_bsize, buf, fsopts); 1141 initediblk += INOPB(fs); 1142 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1143 } 1144 1145 1146 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1147 fsopts); 1148 1149 /* now write inode */ 1150 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1151 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1152 if (fsopts->needswap) { 1153 if (ffs_opts->version == 1) 1154 ffs_dinode1_swap(&dp->ffs1_din, 1155 &dp1[ino_to_fsbo(fs, ino)]); 1156 else 1157 ffs_dinode2_swap(&dp->ffs2_din, 1158 &dp2[ino_to_fsbo(fs, ino)]); 1159 } else { 1160 if (ffs_opts->version == 1) 1161 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1162 else 1163 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1164 } 1165 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1166 free(buf); 1167 } 1168 1169 void 1170 panic(const char *fmt, ...) 1171 { 1172 va_list ap; 1173 1174 va_start(ap, fmt); 1175 vwarnx(fmt, ap); 1176 va_end(ap); 1177 exit(1); 1178 } 1179