1 /* $NetBSD: ffs.c,v 1.44 2009/04/28 22:49:26 joerg 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() */ 147 148 /* publicly visible functions */ 149 150 void 151 ffs_prep_opts(fsinfo_t *fsopts) 152 { 153 ffs_opt_t *ffs_opts; 154 155 if ((ffs_opts = calloc(1, sizeof(ffs_opt_t))) == NULL) 156 err(1, "Allocating memory for ffs_options"); 157 158 fsopts->fs_specific = ffs_opts; 159 160 ffs_opts->bsize= -1; 161 ffs_opts->fsize= -1; 162 ffs_opts->cpg= -1; 163 ffs_opts->density= -1; 164 ffs_opts->minfree= -1; 165 ffs_opts->optimization= -1; 166 ffs_opts->maxcontig= -1; 167 ffs_opts->maxbpg= -1; 168 ffs_opts->avgfilesize= -1; 169 ffs_opts->avgfpdir= -1; 170 ffs_opts->version = 1; 171 } 172 173 void 174 ffs_cleanup_opts(fsinfo_t *fsopts) 175 { 176 if (fsopts->fs_specific) 177 free(fsopts->fs_specific); 178 } 179 180 int 181 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 182 { 183 ffs_opt_t *ffs_opts = fsopts->fs_specific; 184 185 option_t ffs_options[] = { 186 { "bsize", &ffs_opts->bsize, 1, INT_MAX, 187 "block size" }, 188 { "fsize", &ffs_opts->fsize, 1, INT_MAX, 189 "fragment size" }, 190 { "density", &ffs_opts->density, 1, INT_MAX, 191 "bytes per inode" }, 192 { "minfree", &ffs_opts->minfree, 0, 99, 193 "minfree" }, 194 { "maxbpg", &ffs_opts->maxbpg, 1, INT_MAX, 195 "max blocks per file in a cg" }, 196 { "avgfilesize", &ffs_opts->avgfilesize,1, INT_MAX, 197 "expected average file size" }, 198 { "avgfpdir", &ffs_opts->avgfpdir, 1, INT_MAX, 199 "expected # of files per directory" }, 200 { "extent", &ffs_opts->maxbsize, 1, INT_MAX, 201 "maximum # extent size" }, 202 { "maxbpcg", &ffs_opts->maxblkspercg,1, INT_MAX, 203 "max # of blocks per group" }, 204 { "version", &ffs_opts->version, 1, 2, 205 "UFS version" }, 206 { .name = NULL } 207 }; 208 209 char *var, *val; 210 int rv; 211 212 assert(option != NULL); 213 assert(fsopts != NULL); 214 assert(ffs_opts != NULL); 215 216 if (debug & DEBUG_FS_PARSE_OPTS) 217 printf("ffs_parse_opts: got `%s'\n", option); 218 219 if ((var = strdup(option)) == NULL) 220 err(1, "Allocating memory for copy of option string"); 221 rv = 0; 222 223 if ((val = strchr(var, '=')) == NULL) { 224 warnx("Option `%s' doesn't contain a value", var); 225 goto leave_ffs_parse_opts; 226 } 227 *val++ = '\0'; 228 229 if (strcmp(var, "optimization") == 0) { 230 if (strcmp(val, "time") == 0) { 231 ffs_opts->optimization = FS_OPTTIME; 232 } else if (strcmp(val, "space") == 0) { 233 ffs_opts->optimization = FS_OPTSPACE; 234 } else { 235 warnx("Invalid optimization `%s'", val); 236 goto leave_ffs_parse_opts; 237 } 238 rv = 1; 239 } else if (strcmp(var, "label") == 0) { 240 strlcpy(ffs_opts->label, val, sizeof(ffs_opts->label)); 241 rv = 1; 242 } else 243 rv = set_option(ffs_options, var, val); 244 245 leave_ffs_parse_opts: 246 if (var) 247 free(var); 248 return (rv); 249 } 250 251 252 void 253 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 254 { 255 struct fs *superblock; 256 struct timeval start; 257 258 assert(image != NULL); 259 assert(dir != NULL); 260 assert(root != NULL); 261 assert(fsopts != NULL); 262 263 if (debug & DEBUG_FS_MAKEFS) 264 printf("ffs_makefs: image %s directory %s root %p\n", 265 image, dir, root); 266 267 /* validate tree and options */ 268 TIMER_START(start); 269 ffs_validate(dir, root, fsopts); 270 TIMER_RESULTS(start, "ffs_validate"); 271 272 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 273 image, (long long)fsopts->size, (long long)fsopts->inodes); 274 275 /* create image */ 276 TIMER_START(start); 277 if (ffs_create_image(image, fsopts) == -1) 278 errx(1, "Image file `%s' not created.", image); 279 TIMER_RESULTS(start, "ffs_create_image"); 280 281 fsopts->curinode = ROOTINO; 282 283 if (debug & DEBUG_FS_MAKEFS) 284 putchar('\n'); 285 286 /* populate image */ 287 printf("Populating `%s'\n", image); 288 TIMER_START(start); 289 if (! ffs_populate_dir(dir, root, fsopts)) 290 errx(1, "Image file `%s' not populated.", image); 291 TIMER_RESULTS(start, "ffs_populate_dir"); 292 293 /* ensure no outstanding buffers remain */ 294 if (debug & DEBUG_FS_MAKEFS) 295 bcleanup(); 296 297 /* update various superblock parameters */ 298 superblock = fsopts->superblock; 299 superblock->fs_fmod = 0; 300 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 301 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 302 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 303 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 304 305 /* write out superblock; image is now complete */ 306 ffs_write_superblock(fsopts->superblock, fsopts); 307 if (close(fsopts->fd) == -1) 308 err(1, "Closing `%s'", image); 309 fsopts->fd = -1; 310 printf("Image `%s' complete\n", image); 311 } 312 313 /* end of public functions */ 314 315 316 static void 317 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 318 { 319 int32_t ncg = 1; 320 #if notyet 321 int32_t spc, nspf, ncyl, fssize; 322 #endif 323 ffs_opt_t *ffs_opts = fsopts->fs_specific; 324 325 assert(dir != NULL); 326 assert(root != NULL); 327 assert(fsopts != NULL); 328 assert(ffs_opts != NULL); 329 330 if (debug & DEBUG_FS_VALIDATE) { 331 printf("ffs_validate: before defaults set:\n"); 332 ffs_dump_fsinfo(fsopts); 333 } 334 335 /* set FFS defaults */ 336 if (fsopts->sectorsize == -1) 337 fsopts->sectorsize = DFL_SECSIZE; 338 if (ffs_opts->fsize == -1) 339 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 340 if (ffs_opts->bsize == -1) 341 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 342 if (ffs_opts->cpg == -1) 343 ffs_opts->cpg = DFL_CYLSPERGROUP; 344 else 345 ffs_opts->cpgflg = 1; 346 /* fsopts->density is set below */ 347 if (ffs_opts->nsectors == -1) 348 ffs_opts->nsectors = DFL_NSECTORS; 349 if (ffs_opts->minfree == -1) 350 ffs_opts->minfree = MINFREE; 351 if (ffs_opts->optimization == -1) 352 ffs_opts->optimization = DEFAULTOPT; 353 if (ffs_opts->maxcontig == -1) 354 ffs_opts->maxcontig = 355 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 356 /* XXX ondisk32 */ 357 if (ffs_opts->maxbpg == -1) 358 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 359 if (ffs_opts->avgfilesize == -1) 360 ffs_opts->avgfilesize = AVFILESIZ; 361 if (ffs_opts->avgfpdir == -1) 362 ffs_opts->avgfpdir = AFPDIR; 363 364 if (fsopts->maxsize > 0 && 365 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 366 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 367 "exceeds maxsize %lld. Lower bsize, or round the minimum " 368 "and maximum sizes to bsize.", dir, 369 (long long)fsopts->minsize, ffs_opts->bsize, 370 (long long)fsopts->maxsize); 371 372 /* calculate size of tree */ 373 ffs_size_dir(root, fsopts); 374 fsopts->inodes += ROOTINO; /* include first two inodes */ 375 376 if (debug & DEBUG_FS_VALIDATE) 377 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 378 (long long)fsopts->size, (long long)fsopts->inodes); 379 380 /* add requested slop */ 381 fsopts->size += fsopts->freeblocks; 382 fsopts->inodes += fsopts->freefiles; 383 if (fsopts->freefilepc > 0) 384 fsopts->inodes = 385 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 386 if (fsopts->freeblockpc > 0) 387 fsopts->size = 388 fsopts->size * (100 + fsopts->freeblockpc) / 100; 389 390 /* add space needed for superblocks */ 391 /* 392 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 393 * typically used for small filesystems where space matters. 394 * XXX make this an option. 395 */ 396 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 397 /* add space needed to store inodes, x3 for blockmaps, etc */ 398 if (ffs_opts->version == 1) 399 fsopts->size += ncg * DINODE1_SIZE * 400 roundup(fsopts->inodes / ncg, 401 ffs_opts->bsize / DINODE1_SIZE); 402 else 403 fsopts->size += ncg * DINODE2_SIZE * 404 roundup(fsopts->inodes / ncg, 405 ffs_opts->bsize / DINODE2_SIZE); 406 407 /* add minfree */ 408 if (ffs_opts->minfree > 0) 409 fsopts->size = 410 fsopts->size * (100 + ffs_opts->minfree) / 100; 411 /* 412 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 413 */ 414 415 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 416 fsopts->size = fsopts->minsize; 417 418 /* round up to the next block */ 419 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 420 421 /* round up to requested block size, if any */ 422 if (fsopts->roundup > 0) 423 fsopts->size = roundup(fsopts->size, fsopts->roundup); 424 425 /* calculate density if necessary */ 426 if (ffs_opts->density == -1) 427 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 428 429 if (debug & DEBUG_FS_VALIDATE) { 430 printf("ffs_validate: after defaults set:\n"); 431 ffs_dump_fsinfo(fsopts); 432 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 433 dir, (long long)fsopts->size, (long long)fsopts->inodes); 434 } 435 sectorsize = fsopts->sectorsize; /* XXX - see earlier */ 436 437 /* now check calculated sizes vs requested sizes */ 438 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 439 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 440 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 441 } 442 } 443 444 445 static void 446 ffs_dump_fsinfo(fsinfo_t *f) 447 { 448 449 ffs_opt_t *fs = f->fs_specific; 450 451 printf("fsopts at %p\n", f); 452 453 printf("\tsize %lld, inodes %lld, curinode %u\n", 454 (long long)f->size, (long long)f->inodes, f->curinode); 455 456 printf("\tminsize %lld, maxsize %lld\n", 457 (long long)f->minsize, (long long)f->maxsize); 458 printf("\tfree files %lld, freefile %% %d\n", 459 (long long)f->freefiles, f->freefilepc); 460 printf("\tfree blocks %lld, freeblock %% %d\n", 461 (long long)f->freeblocks, f->freeblockpc); 462 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 463 464 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 465 fs->bsize, fs->fsize, fs->cpg, fs->density); 466 printf("\tnsectors %d, rpm %d, minfree %d\n", 467 fs->nsectors, fs->rpm, fs->minfree); 468 printf("\tmaxcontig %d, maxbpg %d\n", 469 fs->maxcontig, fs->maxbpg); 470 printf("\toptimization %s\n", 471 fs->optimization == FS_OPTSPACE ? "space" : "time"); 472 } 473 474 475 static int 476 ffs_create_image(const char *image, fsinfo_t *fsopts) 477 { 478 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 479 struct statvfs sfs; 480 #endif 481 struct fs *fs; 482 char *buf; 483 int i, bufsize; 484 off_t bufrem; 485 486 assert (image != NULL); 487 assert (fsopts != NULL); 488 489 /* create image */ 490 if ((fsopts->fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) 491 == -1) { 492 warn("Can't open `%s' for writing", image); 493 return (-1); 494 } 495 496 /* zero image */ 497 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 498 if (fstatvfs(fsopts->fd, &sfs) == -1) { 499 #endif 500 bufsize = 8192; 501 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 502 warn("can't fstatvfs `%s', using default %d byte chunk", 503 image, bufsize); 504 } else 505 bufsize = sfs.f_iosize; 506 #endif 507 bufrem = fsopts->size; 508 if (fsopts->sparse) { 509 if (ftruncate(fsopts->fd, bufrem) == -1) { 510 warn("sparse option disabled.\n"); 511 fsopts->sparse = 0; 512 } 513 } 514 if (fsopts->sparse) { 515 /* File truncated at bufrem. Remaining is 0 */ 516 bufrem = 0; 517 buf = NULL; 518 } else { 519 if (debug & DEBUG_FS_CREATE_IMAGE) 520 printf("zero-ing image `%s', %lld sectors, " 521 "using %d byte chunks\n", image, (long long)bufrem, 522 bufsize); 523 if ((buf = calloc(1, bufsize)) == NULL) { 524 warn("Can't create buffer for sector"); 525 return (-1); 526 } 527 } 528 while (bufrem > 0) { 529 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 530 if (i == -1) { 531 warn("zeroing image, %lld bytes to go", 532 (long long)bufrem); 533 free(buf); 534 return (-1); 535 } 536 bufrem -= i; 537 } 538 if (buf) 539 free(buf); 540 541 /* make the file system */ 542 if (debug & DEBUG_FS_CREATE_IMAGE) 543 printf("calling mkfs(\"%s\", ...)\n", image); 544 fs = ffs_mkfs(image, fsopts); 545 fsopts->superblock = (void *)fs; 546 if (debug & DEBUG_FS_CREATE_IMAGE) { 547 time_t t; 548 549 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 550 printf("mkfs returned %p; fs_time %s", 551 fsopts->superblock, ctime(&t)); 552 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 553 (long long)fs->fs_cstotal.cs_nbfree, 554 (long long)fs->fs_cstotal.cs_nffree, 555 (long long)fs->fs_cstotal.cs_nifree, 556 (long long)fs->fs_cstotal.cs_ndir); 557 } 558 559 if (fs->fs_cstotal.cs_nifree + ROOTINO < fsopts->inodes) { 560 warnx( 561 "Image file `%s' has %lld free inodes; %lld are required.", 562 image, 563 (long long)(fs->fs_cstotal.cs_nifree + ROOTINO), 564 (long long)fsopts->inodes); 565 return (-1); 566 } 567 return (fsopts->fd); 568 } 569 570 571 static void 572 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 573 { 574 struct direct tmpdir; 575 fsnode * node; 576 int curdirsize, this; 577 ffs_opt_t *ffs_opts = fsopts->fs_specific; 578 579 /* node may be NULL (empty directory) */ 580 assert(fsopts != NULL); 581 assert(ffs_opts != NULL); 582 583 if (debug & DEBUG_FS_SIZE_DIR) 584 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 585 (long long)fsopts->size, (long long)fsopts->inodes); 586 587 #define ADDDIRENT(e) do { \ 588 tmpdir.d_namlen = strlen((e)); \ 589 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 590 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 591 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 592 e, tmpdir.d_namlen, this, curdirsize); \ 593 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 594 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 595 curdirsize += this; \ 596 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 597 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 598 e, tmpdir.d_namlen, this, curdirsize); \ 599 } while (0); 600 601 /* 602 * XXX this needs to take into account extra space consumed 603 * by indirect blocks, etc. 604 */ 605 #define ADDSIZE(x) do { \ 606 fsopts->size += roundup((x), ffs_opts->fsize); \ 607 } while (0); 608 609 curdirsize = 0; 610 for (node = root; node != NULL; node = node->next) { 611 ADDDIRENT(node->name); 612 if (node == root) { /* we're at "." */ 613 assert(strcmp(node->name, ".") == 0); 614 ADDDIRENT(".."); 615 } else if ((node->inode->flags & FI_SIZED) == 0) { 616 /* don't count duplicate names */ 617 node->inode->flags |= FI_SIZED; 618 if (debug & DEBUG_FS_SIZE_DIR_NODE) 619 printf("ffs_size_dir: `%s' size %lld\n", 620 node->name, 621 (long long)node->inode->st.st_size); 622 fsopts->inodes++; 623 if (node->type == S_IFREG) 624 ADDSIZE(node->inode->st.st_size); 625 if (node->type == S_IFLNK) { 626 int slen; 627 628 slen = strlen(node->symlink) + 1; 629 if (slen >= (ffs_opts->version == 1 ? 630 MAXSYMLINKLEN_UFS1 : 631 MAXSYMLINKLEN_UFS2)) 632 ADDSIZE(slen); 633 } 634 } 635 if (node->type == S_IFDIR) 636 ffs_size_dir(node->child, fsopts); 637 } 638 ADDSIZE(curdirsize); 639 640 if (debug & DEBUG_FS_SIZE_DIR) 641 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 642 (long long)fsopts->size, (long long)fsopts->inodes); 643 } 644 645 static void * 646 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 647 fsnode *root, fsinfo_t *fsopts) 648 { 649 int slen; 650 void *membuf; 651 652 memset(dinp, 0, sizeof(*dinp)); 653 dinp->di_mode = cur->inode->st.st_mode; 654 dinp->di_nlink = cur->inode->nlink; 655 dinp->di_size = cur->inode->st.st_size; 656 dinp->di_atime = cur->inode->st.st_atime; 657 dinp->di_mtime = cur->inode->st.st_mtime; 658 dinp->di_ctime = cur->inode->st.st_ctime; 659 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 660 dinp->di_atimensec = cur->inode->st.st_atimensec; 661 dinp->di_mtimensec = cur->inode->st.st_mtimensec; 662 dinp->di_ctimensec = cur->inode->st.st_ctimensec; 663 #endif 664 #if HAVE_STRUCT_STAT_ST_FLAGS 665 dinp->di_flags = cur->inode->st.st_flags; 666 #endif 667 #if HAVE_STRUCT_STAT_ST_GEN 668 dinp->di_gen = cur->inode->st.st_gen; 669 #endif 670 dinp->di_uid = cur->inode->st.st_uid; 671 dinp->di_gid = cur->inode->st.st_gid; 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 < MAXSYMLINKLEN_UFS1) { /* 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 int slen; 698 void *membuf; 699 700 memset(dinp, 0, sizeof(*dinp)); 701 dinp->di_mode = cur->inode->st.st_mode; 702 dinp->di_nlink = cur->inode->nlink; 703 dinp->di_size = cur->inode->st.st_size; 704 dinp->di_atime = cur->inode->st.st_atime; 705 dinp->di_mtime = cur->inode->st.st_mtime; 706 dinp->di_ctime = cur->inode->st.st_ctime; 707 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 708 dinp->di_atimensec = cur->inode->st.st_atimensec; 709 dinp->di_mtimensec = cur->inode->st.st_mtimensec; 710 dinp->di_ctimensec = cur->inode->st.st_ctimensec; 711 #endif 712 #if HAVE_STRUCT_STAT_ST_FLAGS 713 dinp->di_flags = cur->inode->st.st_flags; 714 #endif 715 #if HAVE_STRUCT_STAT_ST_GEN 716 dinp->di_gen = cur->inode->st.st_gen; 717 #endif 718 #if HAVE_STRUCT_STAT_BIRTHTIME 719 dinp->di_birthtime = cur->inode->st.st_birthtime; 720 dinp->di_birthnsec = cur->inode->st.st_birthtimensec; 721 #endif 722 dinp->di_uid = cur->inode->st.st_uid; 723 dinp->di_gid = cur->inode->st.st_gid; 724 /* not set: di_db, di_ib, di_blocks, di_spare */ 725 726 membuf = NULL; 727 if (cur == root) { /* "."; write dirbuf */ 728 membuf = dbufp->buf; 729 dinp->di_size = dbufp->size; 730 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 731 dinp->di_size = 0; /* a device */ 732 dinp->di_rdev = 733 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 734 } else if (S_ISLNK(cur->type)) { /* symlink */ 735 slen = strlen(cur->symlink); 736 if (slen < MAXSYMLINKLEN_UFS2) { /* short link */ 737 memcpy(dinp->di_db, cur->symlink, slen); 738 } else 739 membuf = cur->symlink; 740 dinp->di_size = slen; 741 } 742 return membuf; 743 } 744 745 static int 746 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 747 { 748 fsnode *cur; 749 dirbuf_t dirbuf; 750 union dinode din; 751 void *membuf; 752 char path[MAXPATHLEN + 1]; 753 ffs_opt_t *ffs_opts = fsopts->fs_specific; 754 755 assert(dir != NULL); 756 assert(root != NULL); 757 assert(fsopts != NULL); 758 assert(ffs_opts != NULL); 759 760 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 761 762 if (debug & DEBUG_FS_POPULATE) 763 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 764 765 /* 766 * pass 1: allocate inode numbers, build directory `file' 767 */ 768 for (cur = root; cur != NULL; cur = cur->next) { 769 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 770 cur->inode->flags |= FI_ALLOCATED; 771 if (cur == root && cur->parent != NULL) 772 cur->inode->ino = cur->parent->inode->ino; 773 else { 774 cur->inode->ino = fsopts->curinode; 775 fsopts->curinode++; 776 } 777 } 778 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 779 if (cur == root) { /* we're at "."; add ".." */ 780 ffs_make_dirbuf(&dirbuf, "..", 781 cur->parent == NULL ? cur : cur->parent->first, 782 fsopts->needswap); 783 root->inode->nlink++; /* count my parent's link */ 784 } else if (cur->child != NULL) 785 root->inode->nlink++; /* count my child's link */ 786 787 /* 788 * XXX possibly write file and long symlinks here, 789 * ensuring that blocks get written before inodes? 790 * otoh, this isn't a real filesystem, so who 791 * cares about ordering? :-) 792 */ 793 } 794 if (debug & DEBUG_FS_POPULATE_DIRBUF) 795 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 796 797 /* 798 * pass 2: write out dirbuf, then non-directories at this level 799 */ 800 if (debug & DEBUG_FS_POPULATE) 801 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 802 for (cur = root; cur != NULL; cur = cur->next) { 803 if (cur->inode->flags & FI_WRITTEN) 804 continue; /* skip hard-linked entries */ 805 cur->inode->flags |= FI_WRITTEN; 806 807 if (cur->contents == NULL) { 808 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 809 cur->path, cur->name) >= (int)sizeof(path)) 810 errx(1, "Pathname too long."); 811 } 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, 836 (cur->contents) ? cur->contents : path, fsopts); 837 } else { 838 assert (! S_ISDIR(cur->type)); 839 ffs_write_inode(&din, cur->inode->ino, fsopts); 840 } 841 } 842 843 /* 844 * pass 3: write out sub-directories 845 */ 846 if (debug & DEBUG_FS_POPULATE) 847 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 848 for (cur = root; cur != NULL; cur = cur->next) { 849 if (cur->child == NULL) 850 continue; 851 if (snprintf(path, sizeof(path), "%s/%s", dir, cur->name) 852 >= sizeof(path)) 853 errx(1, "Pathname too long."); 854 if (! ffs_populate_dir(path, cur->child, fsopts)) 855 return (0); 856 } 857 858 if (debug & DEBUG_FS_POPULATE) 859 printf("ffs_populate_dir: DONE dir %s\n", dir); 860 861 /* cleanup */ 862 if (dirbuf.buf != NULL) 863 free(dirbuf.buf); 864 return (1); 865 } 866 867 868 static void 869 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 870 { 871 int isfile, ffd; 872 char *fbuf, *p; 873 off_t bufleft, chunk, offset; 874 ssize_t nread; 875 struct inode in; 876 struct buf * bp; 877 ffs_opt_t *ffs_opts = fsopts->fs_specific; 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; 890 891 if (debug & DEBUG_FS_WRITE_FILE) { 892 printf( 893 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 894 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 895 (long long)DIP(din, size)); 896 if (isfile) 897 printf(", file '%s'\n", (char *)buf); 898 else 899 printf(", buffer %p\n", buf); 900 } 901 902 in.i_number = ino; 903 in.i_size = DIP(din, size); 904 if (ffs_opts->version == 1) 905 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 906 sizeof(in.i_din.ffs1_din)); 907 else 908 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 909 sizeof(in.i_din.ffs2_din)); 910 in.i_fd = fsopts->fd; 911 912 if (DIP(din, size) == 0) 913 goto write_inode_and_leave; /* mmm, cheating */ 914 915 if (isfile) { 916 if ((fbuf = malloc(ffs_opts->bsize)) == NULL) 917 err(1, "Allocating memory for write buffer"); 918 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 919 warn("Can't open `%s' for reading", (char *)buf); 920 goto leave_ffs_write_file; 921 } 922 } else { 923 p = buf; 924 } 925 926 chunk = 0; 927 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 928 chunk = MIN(bufleft, ffs_opts->bsize); 929 if (!isfile) 930 ; 931 else if ((nread = read(ffd, fbuf, chunk)) == -1) 932 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 933 (char *)buf, (long long)bufleft); 934 else if (nread != chunk) 935 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 936 "read %zd bytes, expected %ju bytes, does " 937 "metalog size= attribute mismatch source size?", 938 (char *)buf, (long long)bufleft, nread, 939 (uintmax_t)chunk); 940 else 941 p = fbuf; 942 offset = DIP(din, size) - bufleft; 943 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 944 printf( 945 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 946 p, (long long)offset, 947 (long long)chunk, (long long)bufleft); 948 /* 949 * XXX if holey support is desired, do the check here 950 * 951 * XXX might need to write out last bit in fragroundup 952 * sized chunk. however, ffs_balloc() handles this for us 953 */ 954 errno = ffs_balloc(&in, offset, chunk, &bp); 955 bad_ffs_write_file: 956 if (errno != 0) 957 err(1, 958 "Writing inode %d (%s), bytes %lld + %lld", 959 ino, 960 isfile ? (char *)buf : 961 inode_type(DIP(din, mode) & S_IFMT), 962 (long long)offset, (long long)chunk); 963 memcpy(bp->b_data, p, chunk); 964 errno = bwrite(bp); 965 if (errno != 0) 966 goto bad_ffs_write_file; 967 brelse(bp); 968 if (!isfile) 969 p += chunk; 970 } 971 972 write_inode_and_leave: 973 ffs_write_inode(&in.i_din, in.i_number, fsopts); 974 975 leave_ffs_write_file: 976 if (fbuf) 977 free(fbuf); 978 if (ffd != -1) 979 close(ffd); 980 } 981 982 983 static void 984 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 985 { 986 doff_t i; 987 struct direct *de; 988 uint16_t reclen; 989 990 assert (dbuf != NULL); 991 assert (dir != NULL); 992 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 993 dir, dbuf->size, dbuf->cur); 994 995 for (i = 0; i < dbuf->size; ) { 996 de = (struct direct *)(dbuf->buf + i); 997 reclen = ufs_rw16(de->d_reclen, needswap); 998 printf( 999 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1000 ufs_rw32(de->d_ino, needswap), 1001 inode_type(DTTOIF(de->d_type)), i, reclen, 1002 de->d_namlen, de->d_name); 1003 i += reclen; 1004 assert(reclen > 0); 1005 } 1006 } 1007 1008 static void 1009 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1010 { 1011 struct direct de, *dp; 1012 uint16_t llen, reclen; 1013 u_char *newbuf; 1014 1015 assert (dbuf != NULL); 1016 assert (name != NULL); 1017 assert (node != NULL); 1018 /* create direct entry */ 1019 (void)memset(&de, 0, sizeof(de)); 1020 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1021 de.d_type = IFTODT(node->type); 1022 de.d_namlen = (uint8_t)strlen(name); 1023 strcpy(de.d_name, name); 1024 reclen = DIRSIZ_SWAP(0, &de, needswap); 1025 de.d_reclen = ufs_rw16(reclen, needswap); 1026 1027 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1028 llen = 0; 1029 if (dp != NULL) 1030 llen = DIRSIZ_SWAP(0, dp, needswap); 1031 1032 if (debug & DEBUG_FS_MAKE_DIRBUF) 1033 printf( 1034 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1035 " ino %d type %d reclen %d namlen %d name %.30s\n", 1036 dbuf->size, dbuf->cur, llen, 1037 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1038 de.d_namlen, de.d_name); 1039 1040 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1041 if (debug & DEBUG_FS_MAKE_DIRBUF) 1042 printf("ffs_make_dirbuf: growing buf to %d\n", 1043 dbuf->size + DIRBLKSIZ); 1044 if ((newbuf = realloc(dbuf->buf, dbuf->size + DIRBLKSIZ)) == NULL) 1045 err(1, "Allocating memory for directory buffer"); 1046 dbuf->buf = newbuf; 1047 dbuf->size += DIRBLKSIZ; 1048 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1049 dbuf->cur = dbuf->size - DIRBLKSIZ; 1050 } else if (dp) { /* shrink end of previous */ 1051 dp->d_reclen = ufs_rw16(llen,needswap); 1052 dbuf->cur += llen; 1053 } 1054 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1055 memcpy(dp, &de, reclen); 1056 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1057 } 1058 1059 /* 1060 * cribbed from sys/ufs/ffs/ffs_alloc.c 1061 */ 1062 static void 1063 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1064 { 1065 char *buf; 1066 struct ufs1_dinode *dp1; 1067 struct ufs2_dinode *dp2, *dip; 1068 struct cg *cgp; 1069 struct fs *fs; 1070 int cg, cgino, i; 1071 daddr_t d; 1072 char sbbuf[FFS_MAXBSIZE]; 1073 int32_t initediblk; 1074 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1075 1076 assert (dp != NULL); 1077 assert (ino > 0); 1078 assert (fsopts != NULL); 1079 assert (ffs_opts != NULL); 1080 1081 fs = (struct fs *)fsopts->superblock; 1082 cg = ino_to_cg(fs, ino); 1083 cgino = ino % fs->fs_ipg; 1084 if (debug & DEBUG_FS_WRITE_INODE) 1085 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1086 dp, ino, cg, cgino); 1087 1088 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1089 fsopts); 1090 cgp = (struct cg *)sbbuf; 1091 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1092 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1093 1094 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1095 1096 buf = malloc(fs->fs_bsize); 1097 if (buf == NULL) 1098 errx(1, "ffs_write_inode: cg %d: can't alloc inode block", cg); 1099 1100 dp1 = (struct ufs1_dinode *)buf; 1101 dp2 = (struct ufs2_dinode *)buf; 1102 1103 if (fs->fs_cstotal.cs_nifree == 0) 1104 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1105 ino); 1106 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1107 errx(1, 1108 "ffs_write_inode: cg %d out of inodes for ino %u", 1109 cg, ino); 1110 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1111 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1112 fs->fs_cstotal.cs_nifree--; 1113 fs->fs_cs(fs, cg).cs_nifree--; 1114 if (S_ISDIR(DIP(dp, mode))) { 1115 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1116 fs->fs_cstotal.cs_ndir++; 1117 fs->fs_cs(fs, cg).cs_ndir++; 1118 } 1119 1120 /* 1121 * Initialize inode blocks on the fly for UFS2. 1122 */ 1123 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1124 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1125 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1126 memset(buf, 0, fs->fs_bsize); 1127 dip = (struct ufs2_dinode *)buf; 1128 srandom(time(NULL)); 1129 for (i = 0; i < INOPB(fs); i++) { 1130 dip->di_gen = random() / 2 + 1; 1131 dip++; 1132 } 1133 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1134 cg * fs->fs_ipg + initediblk)), 1135 fs->fs_bsize, buf, fsopts); 1136 initediblk += INOPB(fs); 1137 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1138 } 1139 1140 1141 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1142 fsopts); 1143 1144 /* now write inode */ 1145 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1146 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1147 if (fsopts->needswap) { 1148 if (ffs_opts->version == 1) 1149 ffs_dinode1_swap(&dp->ffs1_din, 1150 &dp1[ino_to_fsbo(fs, ino)]); 1151 else 1152 ffs_dinode2_swap(&dp->ffs2_din, 1153 &dp2[ino_to_fsbo(fs, ino)]); 1154 } else { 1155 if (ffs_opts->version == 1) 1156 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1157 else 1158 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1159 } 1160 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1161 free(buf); 1162 } 1163 1164 void 1165 panic(const char *fmt, ...) 1166 { 1167 va_list ap; 1168 1169 va_start(ap, fmt); 1170 vwarnx(fmt, ap); 1171 va_end(ap); 1172 exit(1); 1173 } 1174