1 /* $NetBSD: ffs.c,v 1.66 2015/12/21 00:58:08 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 1.66 2015/12/21 00:58:08 christos Exp $"); 75 #endif /* !__lint */ 76 77 #include <sys/param.h> 78 79 #if !HAVE_NBTOOL_CONFIG_H 80 #include <sys/mount.h> 81 #endif 82 83 #include <assert.h> 84 #include <errno.h> 85 #include <fcntl.h> 86 #include <stdarg.h> 87 #include <stdio.h> 88 #include <stdlib.h> 89 #include <string.h> 90 #include <unistd.h> 91 #include <util.h> 92 93 #include "makefs.h" 94 #include "ffs.h" 95 96 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 97 #include <sys/statvfs.h> 98 #endif 99 100 #include <ufs/ufs/dinode.h> 101 #include <ufs/ufs/dir.h> 102 #include <ufs/ffs/fs.h> 103 #include <ufs/ufs/ufs_bswap.h> 104 105 #include "ffs/ufs_inode.h" 106 #include "ffs/newfs_extern.h" 107 #include "ffs/ffs_extern.h" 108 109 #undef DIP 110 #define DIP(dp, field) \ 111 ((ffs_opts->version == 1) ? \ 112 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 113 114 /* 115 * Various file system defaults (cribbed from newfs(8)). 116 */ 117 #define DFL_FRAGSIZE 1024 /* fragment size */ 118 #define DFL_BLKSIZE 8192 /* block size */ 119 #define DFL_SECSIZE 512 /* sector size */ 120 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 121 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 122 #define DFL_ROTDELAY 0 /* rotational delay */ 123 #define DFL_NRPOS 1 /* rotational positions */ 124 #define DFL_RPM 3600 /* rpm of disk */ 125 #define DFL_NSECTORS 64 /* # of sectors */ 126 #define DFL_NTRACKS 16 /* # of tracks */ 127 128 129 typedef struct { 130 u_char *buf; /* buf for directory */ 131 doff_t size; /* full size of buf */ 132 doff_t cur; /* offset of current entry */ 133 } dirbuf_t; 134 135 136 static int ffs_create_image(const char *, fsinfo_t *); 137 static void ffs_dump_fsinfo(fsinfo_t *); 138 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 139 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 140 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 141 static void ffs_size_dir(fsnode *, fsinfo_t *); 142 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 143 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 144 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 145 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 146 fsnode *, fsinfo_t *); 147 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 148 fsnode *, fsinfo_t *); 149 150 151 152 /* publically visible functions */ 153 void 154 ffs_prep_opts(fsinfo_t *fsopts) 155 { 156 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 157 158 const option_t ffs_options[] = { 159 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 160 1, INT_MAX, "block size" }, 161 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 162 1, INT_MAX, "fragment size" }, 163 { 'd', "density", &ffs_opts->density, OPT_INT32, 164 1, INT_MAX, "bytes per inode" }, 165 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 166 0, 99, "minfree" }, 167 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 168 1, INT_MAX, "max blocks per file in a cg" }, 169 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 170 1, INT_MAX, "expected average file size" }, 171 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 172 1, INT_MAX, "expected # of files per directory" }, 173 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 174 1, INT_MAX, "maximum # extent size" }, 175 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 176 1, INT_MAX, "max # of blocks per group" }, 177 { 'v', "version", &ffs_opts->version, OPT_INT32, 178 1, 2, "UFS version" }, 179 { 'o', "optimization", NULL, OPT_STRBUF, 180 0, 0, "Optimization (time|space)" }, 181 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 182 1, sizeof(ffs_opts->label), "UFS label" }, 183 { .name = NULL } 184 }; 185 186 ffs_opts->bsize= -1; 187 ffs_opts->fsize= -1; 188 ffs_opts->cpg= -1; 189 ffs_opts->density= -1; 190 ffs_opts->minfree= -1; 191 ffs_opts->optimization= -1; 192 ffs_opts->maxcontig= -1; 193 ffs_opts->maxbpg= -1; 194 ffs_opts->avgfilesize= -1; 195 ffs_opts->avgfpdir= -1; 196 ffs_opts->version = 1; 197 198 fsopts->fs_specific = ffs_opts; 199 fsopts->fs_options = copy_opts(ffs_options); 200 } 201 202 void 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 /* calculate size of tree */ 363 ffs_size_dir(root, fsopts); 364 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 365 366 if (debug & DEBUG_FS_VALIDATE) 367 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 368 (long long)fsopts->size, (long long)fsopts->inodes); 369 370 /* add requested slop */ 371 fsopts->size += fsopts->freeblocks; 372 fsopts->inodes += fsopts->freefiles; 373 if (fsopts->freefilepc > 0) 374 fsopts->inodes = 375 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 376 if (fsopts->freeblockpc > 0) 377 fsopts->size = 378 fsopts->size * (100 + fsopts->freeblockpc) / 100; 379 380 /* add space needed for superblocks */ 381 /* 382 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 383 * typically used for small filesystems where space matters. 384 * XXX make this an option. 385 */ 386 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 387 /* add space needed to store inodes, x3 for blockmaps, etc */ 388 if (ffs_opts->version == 1) 389 fsopts->size += ncg * DINODE1_SIZE * 390 roundup(fsopts->inodes / ncg, 391 ffs_opts->bsize / DINODE1_SIZE); 392 else 393 fsopts->size += ncg * DINODE2_SIZE * 394 roundup(fsopts->inodes / ncg, 395 ffs_opts->bsize / DINODE2_SIZE); 396 397 /* add minfree */ 398 if (ffs_opts->minfree > 0) 399 fsopts->size = 400 fsopts->size * (100 + ffs_opts->minfree) / 100; 401 /* 402 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 403 */ 404 405 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 406 fsopts->size = fsopts->minsize; 407 408 /* round up to the next block */ 409 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 410 411 /* calculate density if necessary */ 412 if (ffs_opts->density == -1) 413 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 414 415 if (debug & DEBUG_FS_VALIDATE) { 416 printf("ffs_validate: after defaults set:\n"); 417 ffs_dump_fsinfo(fsopts); 418 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 419 dir, (long long)fsopts->size, (long long)fsopts->inodes); 420 } 421 /* now check calculated sizes vs requested sizes */ 422 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 423 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 424 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 425 } 426 } 427 428 429 static void 430 ffs_dump_fsinfo(fsinfo_t *f) 431 { 432 433 ffs_opt_t *fs = f->fs_specific; 434 435 printf("fsopts at %p\n", f); 436 437 printf("\tsize %lld, inodes %lld, curinode %u\n", 438 (long long)f->size, (long long)f->inodes, f->curinode); 439 440 printf("\tminsize %lld, maxsize %lld\n", 441 (long long)f->minsize, (long long)f->maxsize); 442 printf("\tfree files %lld, freefile %% %d\n", 443 (long long)f->freefiles, f->freefilepc); 444 printf("\tfree blocks %lld, freeblock %% %d\n", 445 (long long)f->freeblocks, f->freeblockpc); 446 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 447 448 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 449 fs->bsize, fs->fsize, fs->cpg, fs->density); 450 printf("\tnsectors %d, rpm %d, minfree %d\n", 451 fs->nsectors, fs->rpm, fs->minfree); 452 printf("\tmaxcontig %d, maxbpg %d\n", 453 fs->maxcontig, fs->maxbpg); 454 printf("\toptimization %s\n", 455 fs->optimization == FS_OPTSPACE ? "space" : "time"); 456 } 457 458 459 static int 460 ffs_create_image(const char *image, fsinfo_t *fsopts) 461 { 462 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 463 struct statvfs sfs; 464 #endif 465 struct fs *fs; 466 char *buf; 467 int i, bufsize; 468 off_t bufrem; 469 time_t tstamp; 470 int oflags = O_RDWR | O_CREAT; 471 472 assert (image != NULL); 473 assert (fsopts != NULL); 474 475 /* create image */ 476 if (fsopts->offset == 0) 477 oflags |= O_TRUNC; 478 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 479 warn("Can't open `%s' for writing", image); 480 return (-1); 481 } 482 483 /* zero image */ 484 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 485 if (fstatvfs(fsopts->fd, &sfs) == -1) { 486 #endif 487 bufsize = 8192; 488 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 489 warn("can't fstatvfs `%s', using default %d byte chunk", 490 image, bufsize); 491 } else 492 bufsize = sfs.f_iosize; 493 #endif 494 bufrem = fsopts->size; 495 496 if (fsopts->sparse) { 497 if (ftruncate(fsopts->fd, bufrem) == -1) { 498 printf ("ERROR in truncate. Sparse option disabled\n"); 499 fsopts->sparse = 0; 500 } else { 501 bufrem = 0; /* File truncated at bufrem. Remaining is 0 */ 502 buf = NULL; 503 } 504 } 505 506 if (fsopts->offset != 0) 507 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 508 warn("can't seek"); 509 return -1; 510 } 511 512 if ((debug & DEBUG_FS_CREATE_IMAGE) && fsopts->sparse == 0) 513 printf( 514 "zero-ing image `%s', %lld sectors, using %d byte chunks\n", 515 image, (long long)bufrem, bufsize); 516 if (bufrem > 0) 517 buf = ecalloc(1, bufsize); 518 while (bufrem > 0) { 519 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 520 if (i == -1) { 521 warn("zeroing image, %lld bytes to go", 522 (long long)bufrem); 523 free(buf); 524 return (-1); 525 } 526 bufrem -= i; 527 } 528 if (buf) 529 free(buf); 530 531 /* make the file system */ 532 if (debug & DEBUG_FS_CREATE_IMAGE) 533 printf("calling mkfs(\"%s\", ...)\n", image); 534 535 if (stampst.st_ino == 1) 536 tstamp = stampst.st_ctime; 537 else 538 tstamp = start_time.tv_sec; 539 540 srandom(tstamp); 541 542 fs = ffs_mkfs(image, fsopts, tstamp); 543 fsopts->superblock = (void *)fs; 544 if (debug & DEBUG_FS_CREATE_IMAGE) { 545 time_t t; 546 547 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 548 printf("mkfs returned %p; fs_time %s", 549 fsopts->superblock, ctime(&t)); 550 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 551 (long long)fs->fs_cstotal.cs_nbfree, 552 (long long)fs->fs_cstotal.cs_nffree, 553 (long long)fs->fs_cstotal.cs_nifree, 554 (long long)fs->fs_cstotal.cs_ndir); 555 } 556 557 if ((off_t)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO) < fsopts->inodes) { 558 warnx( 559 "Image file `%s' has %lld free inodes; %lld are required.", 560 image, 561 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 562 (long long)fsopts->inodes); 563 return (-1); 564 } 565 return (fsopts->fd); 566 } 567 568 569 static void 570 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 571 { 572 struct direct tmpdir; 573 fsnode * node; 574 int curdirsize, this; 575 ffs_opt_t *ffs_opts = fsopts->fs_specific; 576 577 /* node may be NULL (empty directory) */ 578 assert(fsopts != NULL); 579 assert(ffs_opts != NULL); 580 581 if (debug & DEBUG_FS_SIZE_DIR) 582 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 583 (long long)fsopts->size, (long long)fsopts->inodes); 584 585 #define ADDDIRENT(e) do { \ 586 tmpdir.d_namlen = strlen((e)); \ 587 this = UFS_DIRSIZ(0, &tmpdir, 0); \ 588 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 589 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 590 e, tmpdir.d_namlen, this, curdirsize); \ 591 if (this + curdirsize > roundup(curdirsize, UFS_DIRBLKSIZ)) \ 592 curdirsize = roundup(curdirsize, UFS_DIRBLKSIZ); \ 593 curdirsize += this; \ 594 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 595 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 596 e, tmpdir.d_namlen, this, curdirsize); \ 597 } while (0); 598 599 /* 600 * XXX this needs to take into account extra space consumed 601 * by indirect blocks, etc. 602 */ 603 #define ADDSIZE(x) do { \ 604 fsopts->size += roundup((x), ffs_opts->fsize); \ 605 } while (0); 606 607 curdirsize = 0; 608 for (node = root; node != NULL; node = node->next) { 609 ADDDIRENT(node->name); 610 if (node == root) { /* we're at "." */ 611 assert(strcmp(node->name, ".") == 0); 612 ADDDIRENT(".."); 613 } else if ((node->inode->flags & FI_SIZED) == 0) { 614 /* don't count duplicate names */ 615 node->inode->flags |= FI_SIZED; 616 if (debug & DEBUG_FS_SIZE_DIR_NODE) 617 printf("ffs_size_dir: `%s' size %lld\n", 618 node->name, 619 (long long)node->inode->st.st_size); 620 fsopts->inodes++; 621 if (node->type == S_IFREG) 622 ADDSIZE(node->inode->st.st_size); 623 if (node->type == S_IFLNK) { 624 size_t slen; 625 626 slen = strlen(node->symlink) + 1; 627 if (slen >= (ffs_opts->version == 1 ? 628 UFS1_MAXSYMLINKLEN : 629 UFS2_MAXSYMLINKLEN)) 630 ADDSIZE(slen); 631 } 632 } 633 if (node->type == S_IFDIR) 634 ffs_size_dir(node->child, fsopts); 635 } 636 ADDSIZE(curdirsize); 637 638 if (debug & DEBUG_FS_SIZE_DIR) 639 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 640 (long long)fsopts->size, (long long)fsopts->inodes); 641 } 642 643 static void * 644 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 645 fsnode *root, fsinfo_t *fsopts) 646 { 647 size_t slen; 648 void *membuf; 649 struct stat *st = stampst.st_ino == 1 ? &stampst : &cur->inode->st; 650 651 memset(dinp, 0, sizeof(*dinp)); 652 dinp->di_mode = cur->inode->st.st_mode; 653 dinp->di_nlink = cur->inode->nlink; 654 dinp->di_size = cur->inode->st.st_size; 655 #if HAVE_STRUCT_STAT_ST_FLAGS 656 dinp->di_flags = cur->inode->st.st_flags; 657 #endif 658 #if HAVE_STRUCT_STAT_ST_GEN 659 dinp->di_gen = cur->inode->st.st_gen; 660 #endif 661 dinp->di_uid = cur->inode->st.st_uid; 662 dinp->di_gid = cur->inode->st.st_gid; 663 664 dinp->di_atime = st->st_atime; 665 dinp->di_mtime = st->st_mtime; 666 dinp->di_ctime = st->st_ctime; 667 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 668 dinp->di_atimensec = st->st_atimensec; 669 dinp->di_mtimensec = st->st_mtimensec; 670 dinp->di_ctimensec = st->st_ctimensec; 671 #endif 672 /* not set: di_db, di_ib, di_blocks, di_spare */ 673 674 membuf = NULL; 675 if (cur == root) { /* "."; write dirbuf */ 676 membuf = dbufp->buf; 677 dinp->di_size = dbufp->size; 678 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 679 dinp->di_size = 0; /* a device */ 680 dinp->di_rdev = 681 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 682 } else if (S_ISLNK(cur->type)) { /* symlink */ 683 slen = strlen(cur->symlink); 684 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 685 memcpy(dinp->di_db, cur->symlink, slen); 686 } else 687 membuf = cur->symlink; 688 dinp->di_size = slen; 689 } 690 return membuf; 691 } 692 693 static void * 694 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 695 fsnode *root, fsinfo_t *fsopts) 696 { 697 size_t slen; 698 void *membuf; 699 struct stat *st = stampst.st_ino == 1 ? &stampst : &cur->inode->st; 700 701 memset(dinp, 0, sizeof(*dinp)); 702 dinp->di_mode = cur->inode->st.st_mode; 703 dinp->di_nlink = cur->inode->nlink; 704 dinp->di_size = cur->inode->st.st_size; 705 #if HAVE_STRUCT_STAT_ST_FLAGS 706 dinp->di_flags = cur->inode->st.st_flags; 707 #endif 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(1, "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 %d, %s", 826 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(1, "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(1, 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 int 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(1, "ffs_write_inode: cg %d: bad magic number", cg); 1090 1091 assert (isclr(cg_inosused(cgp, fsopts->needswap), cgino)); 1092 1093 buf = emalloc(fs->fs_bsize); 1094 dp1 = (struct ufs1_dinode *)buf; 1095 dp2 = (struct ufs2_dinode *)buf; 1096 1097 if (fs->fs_cstotal.cs_nifree == 0) 1098 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1099 ino); 1100 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1101 errx(1, 1102 "ffs_write_inode: cg %d out of inodes for ino %u", 1103 cg, ino); 1104 setbit(cg_inosused(cgp, fsopts->needswap), cgino); 1105 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1106 fs->fs_cstotal.cs_nifree--; 1107 fs->fs_cs(fs, cg).cs_nifree--; 1108 if (S_ISDIR(DIP(dp, mode))) { 1109 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1110 fs->fs_cstotal.cs_ndir++; 1111 fs->fs_cs(fs, cg).cs_ndir++; 1112 } 1113 1114 /* 1115 * Initialize inode blocks on the fly for UFS2. 1116 */ 1117 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1118 if (ffs_opts->version == 2 && 1119 (uint32_t)(cgino + FFS_INOPB(fs)) > initediblk && 1120 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1121 memset(buf, 0, fs->fs_bsize); 1122 dip = (struct ufs2_dinode *)buf; 1123 for (i = 0; i < FFS_INOPB(fs); i++) { 1124 dip->di_gen = random() / 2 + 1; 1125 dip++; 1126 } 1127 ffs_wtfs(FFS_FSBTODB(fs, ino_to_fsba(fs, 1128 cg * fs->fs_ipg + initediblk)), 1129 fs->fs_bsize, buf, fsopts); 1130 initediblk += FFS_INOPB(fs); 1131 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1132 } 1133 1134 1135 ffs_wtfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1136 fsopts); 1137 1138 /* now write inode */ 1139 d = FFS_FSBTODB(fs, ino_to_fsba(fs, ino)); 1140 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1141 if (fsopts->needswap) { 1142 if (ffs_opts->version == 1) 1143 ffs_dinode1_swap(&dp->ffs1_din, 1144 &dp1[ino_to_fsbo(fs, ino)]); 1145 else 1146 ffs_dinode2_swap(&dp->ffs2_din, 1147 &dp2[ino_to_fsbo(fs, ino)]); 1148 } else { 1149 if (ffs_opts->version == 1) 1150 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1151 else 1152 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1153 } 1154 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1155 free(buf); 1156 } 1157 1158 void 1159 panic(const char *fmt, ...) 1160 { 1161 va_list ap; 1162 1163 va_start(ap, fmt); 1164 vwarnx(fmt, ap); 1165 va_end(ap); 1166 exit(1); 1167 } 1168