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 #include <util.h> 86 87 #include "makefs.h" 88 #include "ffs.h" 89 90 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 91 #include <sys/statvfs.h> 92 #endif 93 94 #include <ufs/ufs/dinode.h> 95 #include <ufs/ufs/dir.h> 96 #include <ufs/ffs/fs.h> 97 98 99 #include "ffs/ufs_bswap.h" 100 #include "ffs/ufs_inode.h" 101 #include "ffs/newfs_extern.h" 102 #include "ffs/ffs_extern.h" 103 104 #undef DIP 105 #define DIP(dp, field) \ 106 ((ffs_opts->version == 1) ? \ 107 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 108 109 /* 110 * Various file system defaults (cribbed from newfs(8)). 111 */ 112 #define DFL_FRAGSIZE 1024 /* fragment size */ 113 #define DFL_BLKSIZE 8192 /* block size */ 114 #define DFL_SECSIZE 512 /* sector size */ 115 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 116 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 117 #define DFL_ROTDELAY 0 /* rotational delay */ 118 #define DFL_NRPOS 1 /* rotational positions */ 119 #define DFL_RPM 3600 /* rpm of disk */ 120 #define DFL_NSECTORS 64 /* # of sectors */ 121 #define DFL_NTRACKS 16 /* # of tracks */ 122 123 124 typedef struct { 125 u_char *buf; /* buf for directory */ 126 doff_t size; /* full size of buf */ 127 doff_t cur; /* offset of current entry */ 128 } dirbuf_t; 129 130 131 static int ffs_create_image(const char *, fsinfo_t *); 132 static void ffs_dump_fsinfo(fsinfo_t *); 133 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 134 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 135 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 136 static void ffs_size_dir(fsnode *, fsinfo_t *); 137 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 138 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 139 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 140 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 141 fsnode *, fsinfo_t *); 142 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 143 fsnode *, fsinfo_t *); 144 145 146 /* publicly visible functions */ 147 148 void 149 ffs_prep_opts(fsinfo_t *fsopts) 150 { 151 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 152 153 const option_t ffs_options[] = { 154 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 155 1, INT_MAX, "block size" }, 156 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 157 1, INT_MAX, "fragment size" }, 158 { 'd', "density", &ffs_opts->density, OPT_INT32, 159 1, INT_MAX, "bytes per inode" }, 160 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 161 0, 99, "minfree" }, 162 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 163 1, INT_MAX, "max blocks per file in a cg" }, 164 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 165 1, INT_MAX, "expected average file size" }, 166 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 167 1, INT_MAX, "expected # of files per directory" }, 168 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 169 1, INT_MAX, "maximum # extent size" }, 170 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 171 1, INT_MAX, "max # of blocks per group" }, 172 { 'v', "version", &ffs_opts->version, OPT_INT32, 173 1, 2, "UFS version" }, 174 { 'o', "optimization", NULL, OPT_STRBUF, 175 0, 0, "Optimization (time|space)" }, 176 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 177 1, sizeof(ffs_opts->label), "UFS label" }, 178 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 179 0, 1, "enable softupdates" }, 180 { .name = NULL } 181 }; 182 183 ffs_opts->bsize= -1; 184 ffs_opts->fsize= -1; 185 ffs_opts->cpg= -1; 186 ffs_opts->density= -1; 187 ffs_opts->minfree= -1; 188 ffs_opts->optimization= -1; 189 ffs_opts->maxcontig= -1; 190 ffs_opts->maxbpg= -1; 191 ffs_opts->avgfilesize= -1; 192 ffs_opts->avgfpdir= -1; 193 ffs_opts->version = 1; 194 ffs_opts->softupdates = 0; 195 196 fsopts->fs_specific = ffs_opts; 197 fsopts->fs_options = copy_opts(ffs_options); 198 } 199 200 void 201 ffs_cleanup_opts(fsinfo_t *fsopts) 202 { 203 free(fsopts->fs_specific); 204 free(fsopts->fs_options); 205 } 206 207 int 208 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 209 { 210 ffs_opt_t *ffs_opts = fsopts->fs_specific; 211 option_t *ffs_options = fsopts->fs_options; 212 char buf[1024]; 213 214 int rv; 215 216 assert(option != NULL); 217 assert(fsopts != NULL); 218 assert(ffs_opts != NULL); 219 220 if (debug & DEBUG_FS_PARSE_OPTS) 221 printf("ffs_parse_opts: got `%s'\n", option); 222 223 rv = set_option(ffs_options, option, buf, sizeof(buf)); 224 if (rv == -1) 225 return 0; 226 227 if (ffs_options[rv].name == NULL) 228 abort(); 229 230 switch (ffs_options[rv].letter) { 231 case 'o': 232 if (strcmp(buf, "time") == 0) { 233 ffs_opts->optimization = FS_OPTTIME; 234 } else if (strcmp(buf, "space") == 0) { 235 ffs_opts->optimization = FS_OPTSPACE; 236 } else { 237 warnx("Invalid optimization `%s'", buf); 238 return 0; 239 } 240 break; 241 default: 242 break; 243 } 244 return 1; 245 } 246 247 248 void 249 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 250 { 251 struct fs *superblock; 252 struct timeval start; 253 254 assert(image != NULL); 255 assert(dir != NULL); 256 assert(root != NULL); 257 assert(fsopts != NULL); 258 259 if (debug & DEBUG_FS_MAKEFS) 260 printf("ffs_makefs: image %s directory %s root %p\n", 261 image, dir, root); 262 263 /* validate tree and options */ 264 TIMER_START(start); 265 ffs_validate(dir, root, fsopts); 266 TIMER_RESULTS(start, "ffs_validate"); 267 268 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 269 image, (long long)fsopts->size, (long long)fsopts->inodes); 270 271 /* create image */ 272 TIMER_START(start); 273 if (ffs_create_image(image, fsopts) == -1) 274 errx(1, "Image file `%s' not created.", image); 275 TIMER_RESULTS(start, "ffs_create_image"); 276 277 fsopts->curinode = UFS_ROOTINO; 278 279 if (debug & DEBUG_FS_MAKEFS) 280 putchar('\n'); 281 282 /* populate image */ 283 printf("Populating `%s'\n", image); 284 TIMER_START(start); 285 if (! ffs_populate_dir(dir, root, fsopts)) 286 errx(1, "Image file `%s' not populated.", image); 287 TIMER_RESULTS(start, "ffs_populate_dir"); 288 289 /* ensure no outstanding buffers remain */ 290 if (debug & DEBUG_FS_MAKEFS) 291 bcleanup(); 292 293 /* update various superblock parameters */ 294 superblock = fsopts->superblock; 295 superblock->fs_fmod = 0; 296 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 297 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 298 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 299 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 300 301 /* write out superblock; image is now complete */ 302 ffs_write_superblock(fsopts->superblock, fsopts); 303 if (close(fsopts->fd) == -1) 304 err(1, "Closing `%s'", image); 305 fsopts->fd = -1; 306 printf("Image `%s' complete\n", image); 307 } 308 309 /* end of public functions */ 310 311 312 static void 313 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 314 { 315 int32_t ncg = 1; 316 #if notyet 317 int32_t spc, nspf, ncyl, fssize; 318 #endif 319 ffs_opt_t *ffs_opts = fsopts->fs_specific; 320 321 assert(dir != NULL); 322 assert(root != NULL); 323 assert(fsopts != NULL); 324 assert(ffs_opts != NULL); 325 326 if (debug & DEBUG_FS_VALIDATE) { 327 printf("ffs_validate: before defaults set:\n"); 328 ffs_dump_fsinfo(fsopts); 329 } 330 331 /* set FFS defaults */ 332 if (fsopts->sectorsize == -1) 333 fsopts->sectorsize = DFL_SECSIZE; 334 if (ffs_opts->fsize == -1) 335 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 336 if (ffs_opts->bsize == -1) 337 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 338 if (ffs_opts->cpg == -1) 339 ffs_opts->cpg = DFL_CYLSPERGROUP; 340 else 341 ffs_opts->cpgflg = 1; 342 /* fsopts->density is set below */ 343 if (ffs_opts->nsectors == -1) 344 ffs_opts->nsectors = DFL_NSECTORS; 345 if (ffs_opts->minfree == -1) 346 ffs_opts->minfree = MINFREE; 347 if (ffs_opts->optimization == -1) 348 ffs_opts->optimization = DEFAULTOPT; 349 if (ffs_opts->maxcontig == -1) 350 ffs_opts->maxcontig = 351 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 352 /* XXX ondisk32 */ 353 if (ffs_opts->maxbpg == -1) 354 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 355 if (ffs_opts->avgfilesize == -1) 356 ffs_opts->avgfilesize = AVFILESIZ; 357 if (ffs_opts->avgfpdir == -1) 358 ffs_opts->avgfpdir = AFPDIR; 359 360 if (fsopts->maxsize > 0 && 361 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 362 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 363 "exceeds maxsize %lld. Lower bsize, or round the minimum " 364 "and maximum sizes to bsize.", dir, 365 (long long)fsopts->minsize, ffs_opts->bsize, 366 (long long)fsopts->maxsize); 367 368 /* calculate size of tree */ 369 ffs_size_dir(root, fsopts); 370 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 371 372 if (debug & DEBUG_FS_VALIDATE) 373 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 374 (long long)fsopts->size, (long long)fsopts->inodes); 375 376 /* add requested slop */ 377 fsopts->size += fsopts->freeblocks; 378 fsopts->inodes += fsopts->freefiles; 379 if (fsopts->freefilepc > 0) 380 fsopts->inodes = 381 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 382 if (fsopts->freeblockpc > 0) 383 fsopts->size = 384 fsopts->size * (100 + fsopts->freeblockpc) / 100; 385 386 /* add space needed for superblocks */ 387 /* 388 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 389 * typically used for small filesystems where space matters. 390 * XXX make this an option. 391 */ 392 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 393 /* add space needed to store inodes, x3 for blockmaps, etc */ 394 if (ffs_opts->version == 1) 395 fsopts->size += ncg * DINODE1_SIZE * 396 roundup(fsopts->inodes / ncg, 397 ffs_opts->bsize / DINODE1_SIZE); 398 else 399 fsopts->size += ncg * DINODE2_SIZE * 400 roundup(fsopts->inodes / ncg, 401 ffs_opts->bsize / DINODE2_SIZE); 402 403 /* add minfree */ 404 if (ffs_opts->minfree > 0) 405 fsopts->size = 406 fsopts->size * (100 + ffs_opts->minfree) / 100; 407 /* 408 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 409 */ 410 411 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 412 fsopts->size = fsopts->minsize; 413 414 /* round up to the next block */ 415 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 416 417 /* round up to requested block size, if any */ 418 if (fsopts->roundup > 0) 419 fsopts->size = roundup(fsopts->size, fsopts->roundup); 420 421 /* calculate density if necessary */ 422 if (ffs_opts->density == -1) 423 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 424 425 if (debug & DEBUG_FS_VALIDATE) { 426 printf("ffs_validate: after defaults set:\n"); 427 ffs_dump_fsinfo(fsopts); 428 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 429 dir, (long long)fsopts->size, (long long)fsopts->inodes); 430 } 431 /* now check calculated sizes vs requested sizes */ 432 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 433 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 434 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 435 } 436 } 437 438 439 static void 440 ffs_dump_fsinfo(fsinfo_t *f) 441 { 442 443 ffs_opt_t *fs = f->fs_specific; 444 445 printf("fsopts at %p\n", f); 446 447 printf("\tsize %lld, inodes %lld, curinode %u\n", 448 (long long)f->size, (long long)f->inodes, f->curinode); 449 450 printf("\tminsize %lld, maxsize %lld\n", 451 (long long)f->minsize, (long long)f->maxsize); 452 printf("\tfree files %lld, freefile %% %d\n", 453 (long long)f->freefiles, f->freefilepc); 454 printf("\tfree blocks %lld, freeblock %% %d\n", 455 (long long)f->freeblocks, f->freeblockpc); 456 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 457 458 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 459 fs->bsize, fs->fsize, fs->cpg, fs->density); 460 printf("\tnsectors %d, rpm %d, minfree %d\n", 461 fs->nsectors, fs->rpm, fs->minfree); 462 printf("\tmaxcontig %d, maxbpg %d\n", 463 fs->maxcontig, fs->maxbpg); 464 printf("\toptimization %s\n", 465 fs->optimization == FS_OPTSPACE ? "space" : "time"); 466 } 467 468 469 static int 470 ffs_create_image(const char *image, fsinfo_t *fsopts) 471 { 472 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 473 struct statvfs sfs; 474 #endif 475 struct fs *fs; 476 char *buf; 477 int i, bufsize; 478 off_t bufrem; 479 int oflags = O_RDWR | O_CREAT; 480 time_t tstamp; 481 482 assert (image != NULL); 483 assert (fsopts != NULL); 484 485 /* create image */ 486 if (fsopts->offset == 0) 487 oflags |= O_TRUNC; 488 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 489 warn("Can't open `%s' for writing", image); 490 return (-1); 491 } 492 493 /* zero image */ 494 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 495 if (fstatvfs(fsopts->fd, &sfs) == -1) { 496 #endif 497 bufsize = 8192; 498 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 499 warn("can't fstatvfs `%s', using default %d byte chunk", 500 image, bufsize); 501 } else 502 bufsize = sfs.f_iosize; 503 #endif 504 bufrem = fsopts->size; 505 if (fsopts->sparse) { 506 if (ftruncate(fsopts->fd, bufrem) == -1) { 507 warn("sparse option disabled."); 508 fsopts->sparse = 0; 509 } 510 } 511 if (fsopts->sparse) { 512 /* File truncated at bufrem. Remaining is 0 */ 513 bufrem = 0; 514 buf = NULL; 515 } else { 516 if (debug & DEBUG_FS_CREATE_IMAGE) 517 printf("zero-ing image `%s', %lld sectors, " 518 "using %d byte chunks\n", image, (long long)bufrem, 519 bufsize); 520 buf = ecalloc(1, bufsize); 521 } 522 523 if (fsopts->offset != 0) 524 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 525 warn("can't seek"); 526 free(buf); 527 return -1; 528 } 529 530 while (bufrem > 0) { 531 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 532 if (i == -1) { 533 warn("zeroing image, %lld bytes to go", 534 (long long)bufrem); 535 free(buf); 536 return (-1); 537 } 538 bufrem -= i; 539 } 540 if (buf) 541 free(buf); 542 543 /* make the file system */ 544 if (debug & DEBUG_FS_CREATE_IMAGE) 545 printf("calling mkfs(\"%s\", ...)\n", image); 546 547 if (stampst.st_ino != 0) 548 tstamp = stampst.st_ctime; 549 else 550 tstamp = start_time.tv_sec; 551 552 srandom(tstamp); 553 554 fs = ffs_mkfs(image, fsopts, tstamp); 555 fsopts->superblock = (void *)fs; 556 if (debug & DEBUG_FS_CREATE_IMAGE) { 557 time_t t; 558 559 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 560 printf("mkfs returned %p; fs_time %s", 561 fsopts->superblock, ctime(&t)); 562 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 563 (long long)fs->fs_cstotal.cs_nbfree, 564 (long long)fs->fs_cstotal.cs_nffree, 565 (long long)fs->fs_cstotal.cs_nifree, 566 (long long)fs->fs_cstotal.cs_ndir); 567 } 568 569 if (fs->fs_cstotal.cs_nifree + UFS_ROOTINO < fsopts->inodes) { 570 warnx( 571 "Image file `%s' has %lld free inodes; %lld are required.", 572 image, 573 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 574 (long long)fsopts->inodes); 575 return (-1); 576 } 577 return (fsopts->fd); 578 } 579 580 581 static void 582 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 583 { 584 struct direct tmpdir; 585 fsnode * node; 586 int curdirsize, this; 587 ffs_opt_t *ffs_opts = fsopts->fs_specific; 588 589 /* node may be NULL (empty directory) */ 590 assert(fsopts != NULL); 591 assert(ffs_opts != NULL); 592 593 if (debug & DEBUG_FS_SIZE_DIR) 594 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 595 (long long)fsopts->size, (long long)fsopts->inodes); 596 597 #define ADDDIRENT(e) do { \ 598 tmpdir.d_namlen = strlen((e)); \ 599 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 600 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 601 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 602 e, tmpdir.d_namlen, this, curdirsize); \ 603 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 604 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 605 curdirsize += this; \ 606 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 607 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 608 e, tmpdir.d_namlen, this, curdirsize); \ 609 } while (0); 610 611 /* 612 * XXX this needs to take into account extra space consumed 613 * by indirect blocks, etc. 614 */ 615 #define ADDSIZE(x) do { \ 616 fsopts->size += roundup((x), ffs_opts->fsize); \ 617 } while (0); 618 619 curdirsize = 0; 620 for (node = root; node != NULL; node = node->next) { 621 ADDDIRENT(node->name); 622 if (node == root) { /* we're at "." */ 623 assert(strcmp(node->name, ".") == 0); 624 ADDDIRENT(".."); 625 } else if ((node->inode->flags & FI_SIZED) == 0) { 626 /* don't count duplicate names */ 627 node->inode->flags |= FI_SIZED; 628 if (debug & DEBUG_FS_SIZE_DIR_NODE) 629 printf("ffs_size_dir: `%s' size %lld\n", 630 node->name, 631 (long long)node->inode->st.st_size); 632 fsopts->inodes++; 633 if (node->type == S_IFREG) 634 ADDSIZE(node->inode->st.st_size); 635 if (node->type == S_IFLNK) { 636 size_t slen; 637 638 slen = strlen(node->symlink) + 1; 639 if (slen >= (ffs_opts->version == 1 ? 640 UFS1_MAXSYMLINKLEN : 641 UFS2_MAXSYMLINKLEN)) 642 ADDSIZE(slen); 643 } 644 } 645 if (node->type == S_IFDIR) 646 ffs_size_dir(node->child, fsopts); 647 } 648 ADDSIZE(curdirsize); 649 650 if (debug & DEBUG_FS_SIZE_DIR) 651 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 652 (long long)fsopts->size, (long long)fsopts->inodes); 653 } 654 655 static void * 656 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 657 fsnode *root, fsinfo_t *fsopts) 658 { 659 size_t slen; 660 void *membuf; 661 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 662 663 memset(dinp, 0, sizeof(*dinp)); 664 dinp->di_mode = cur->inode->st.st_mode; 665 dinp->di_nlink = cur->inode->nlink; 666 dinp->di_size = cur->inode->st.st_size; 667 #if HAVE_STRUCT_STAT_ST_FLAGS 668 dinp->di_flags = cur->inode->st.st_flags; 669 #endif 670 dinp->di_gen = random(); 671 dinp->di_uid = cur->inode->st.st_uid; 672 dinp->di_gid = cur->inode->st.st_gid; 673 674 dinp->di_atime = st->st_atime; 675 dinp->di_mtime = st->st_mtime; 676 dinp->di_ctime = st->st_ctime; 677 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 678 dinp->di_atimensec = st->st_atimensec; 679 dinp->di_mtimensec = st->st_mtimensec; 680 dinp->di_ctimensec = st->st_ctimensec; 681 #endif 682 /* not set: di_db, di_ib, di_blocks, di_spare */ 683 684 membuf = NULL; 685 if (cur == root) { /* "."; write dirbuf */ 686 membuf = dbufp->buf; 687 dinp->di_size = dbufp->size; 688 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 689 dinp->di_size = 0; /* a device */ 690 dinp->di_rdev = 691 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 692 } else if (S_ISLNK(cur->type)) { /* symlink */ 693 slen = strlen(cur->symlink); 694 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 695 memcpy(dinp->di_db, cur->symlink, slen); 696 } else 697 membuf = cur->symlink; 698 dinp->di_size = slen; 699 } 700 return membuf; 701 } 702 703 static void * 704 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 705 fsnode *root, fsinfo_t *fsopts) 706 { 707 size_t slen; 708 void *membuf; 709 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 710 711 memset(dinp, 0, sizeof(*dinp)); 712 dinp->di_mode = cur->inode->st.st_mode; 713 dinp->di_nlink = cur->inode->nlink; 714 dinp->di_size = cur->inode->st.st_size; 715 #if HAVE_STRUCT_STAT_ST_FLAGS 716 dinp->di_flags = cur->inode->st.st_flags; 717 #endif 718 dinp->di_gen = random(); 719 dinp->di_uid = cur->inode->st.st_uid; 720 dinp->di_gid = cur->inode->st.st_gid; 721 722 dinp->di_atime = st->st_atime; 723 dinp->di_mtime = st->st_mtime; 724 dinp->di_ctime = st->st_ctime; 725 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 726 dinp->di_atimensec = st->st_atimensec; 727 dinp->di_mtimensec = st->st_mtimensec; 728 dinp->di_ctimensec = st->st_ctimensec; 729 #endif 730 #if HAVE_STRUCT_STAT_BIRTHTIME 731 dinp->di_birthtime = st->st_birthtime; 732 dinp->di_birthnsec = st->st_birthtimensec; 733 #endif 734 /* not set: di_db, di_ib, di_blocks, di_spare */ 735 736 membuf = NULL; 737 if (cur == root) { /* "."; write dirbuf */ 738 membuf = dbufp->buf; 739 dinp->di_size = dbufp->size; 740 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 741 dinp->di_size = 0; /* a device */ 742 dinp->di_rdev = 743 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 744 } else if (S_ISLNK(cur->type)) { /* symlink */ 745 slen = strlen(cur->symlink); 746 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 747 memcpy(dinp->di_db, cur->symlink, slen); 748 } else 749 membuf = cur->symlink; 750 dinp->di_size = slen; 751 } 752 return membuf; 753 } 754 755 static int 756 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 757 { 758 fsnode *cur; 759 dirbuf_t dirbuf; 760 union dinode din; 761 void *membuf; 762 char path[MAXPATHLEN + 1]; 763 ffs_opt_t *ffs_opts = fsopts->fs_specific; 764 765 assert(dir != NULL); 766 assert(root != NULL); 767 assert(fsopts != NULL); 768 assert(ffs_opts != NULL); 769 770 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 771 772 if (debug & DEBUG_FS_POPULATE) 773 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 774 775 /* 776 * pass 1: allocate inode numbers, build directory `file' 777 */ 778 for (cur = root; cur != NULL; cur = cur->next) { 779 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 780 cur->inode->flags |= FI_ALLOCATED; 781 if (cur == root && cur->parent != NULL) 782 cur->inode->ino = cur->parent->inode->ino; 783 else { 784 cur->inode->ino = fsopts->curinode; 785 fsopts->curinode++; 786 } 787 } 788 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 789 if (cur == root) { /* we're at "."; add ".." */ 790 ffs_make_dirbuf(&dirbuf, "..", 791 cur->parent == NULL ? cur : cur->parent->first, 792 fsopts->needswap); 793 root->inode->nlink++; /* count my parent's link */ 794 } else if (cur->child != NULL) 795 root->inode->nlink++; /* count my child's link */ 796 797 /* 798 * XXX possibly write file and long symlinks here, 799 * ensuring that blocks get written before inodes? 800 * otoh, this isn't a real filesystem, so who 801 * cares about ordering? :-) 802 */ 803 } 804 if (debug & DEBUG_FS_POPULATE_DIRBUF) 805 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 806 807 /* 808 * pass 2: write out dirbuf, then non-directories at this level 809 */ 810 if (debug & DEBUG_FS_POPULATE) 811 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 812 for (cur = root; cur != NULL; cur = cur->next) { 813 if (cur->inode->flags & FI_WRITTEN) 814 continue; /* skip hard-linked entries */ 815 cur->inode->flags |= FI_WRITTEN; 816 817 if (cur->contents == NULL) { 818 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 819 cur->path, cur->name) >= (int)sizeof(path)) 820 errx(1, "Pathname too long."); 821 } 822 823 if (cur->child != NULL) 824 continue; /* child creates own inode */ 825 826 /* build on-disk inode */ 827 if (ffs_opts->version == 1) 828 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 829 root, fsopts); 830 else 831 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 832 root, fsopts); 833 834 if (debug & DEBUG_FS_POPULATE_NODE) { 835 printf("ffs_populate_dir: writing ino %d, %s", 836 cur->inode->ino, inode_type(cur->type)); 837 if (cur->inode->nlink > 1) 838 printf(", nlink %d", cur->inode->nlink); 839 putchar('\n'); 840 } 841 842 if (membuf != NULL) { 843 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 844 } else if (S_ISREG(cur->type)) { 845 ffs_write_file(&din, cur->inode->ino, 846 (cur->contents) ? cur->contents : path, fsopts); 847 } else { 848 assert (! S_ISDIR(cur->type)); 849 ffs_write_inode(&din, cur->inode->ino, fsopts); 850 } 851 } 852 853 /* 854 * pass 3: write out sub-directories 855 */ 856 if (debug & DEBUG_FS_POPULATE) 857 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 858 for (cur = root; cur != NULL; cur = cur->next) { 859 if (cur->child == NULL) 860 continue; 861 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 862 cur->name) >= sizeof(path)) 863 errx(1, "Pathname too long."); 864 if (! ffs_populate_dir(path, cur->child, fsopts)) 865 return (0); 866 } 867 868 if (debug & DEBUG_FS_POPULATE) 869 printf("ffs_populate_dir: DONE dir %s\n", dir); 870 871 /* cleanup */ 872 if (dirbuf.buf != NULL) 873 free(dirbuf.buf); 874 return (1); 875 } 876 877 878 static void 879 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 880 { 881 int isfile, ffd; 882 char *fbuf, *p; 883 off_t bufleft, chunk, offset; 884 ssize_t nread; 885 struct inode in; 886 struct buf * bp; 887 ffs_opt_t *ffs_opts = fsopts->fs_specific; 888 struct vnode vp = { fsopts, NULL }; 889 890 assert (din != NULL); 891 assert (buf != NULL); 892 assert (fsopts != NULL); 893 assert (ffs_opts != NULL); 894 895 isfile = S_ISREG(DIP(din, mode)); 896 fbuf = NULL; 897 ffd = -1; 898 p = NULL; 899 900 in.i_fs = (struct fs *)fsopts->superblock; 901 in.i_devvp = &vp; 902 903 if (debug & DEBUG_FS_WRITE_FILE) { 904 printf( 905 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 906 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 907 (long long)DIP(din, size)); 908 if (isfile) 909 printf(", file '%s'\n", (char *)buf); 910 else 911 printf(", buffer %p\n", buf); 912 } 913 914 in.i_number = ino; 915 in.i_size = DIP(din, size); 916 if (ffs_opts->version == 1) 917 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 918 sizeof(in.i_din.ffs1_din)); 919 else 920 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 921 sizeof(in.i_din.ffs2_din)); 922 923 if (DIP(din, size) == 0) 924 goto write_inode_and_leave; /* mmm, cheating */ 925 926 if (isfile) { 927 fbuf = emalloc(ffs_opts->bsize); 928 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 929 warn("Can't open `%s' for reading", (char *)buf); 930 goto leave_ffs_write_file; 931 } 932 } else { 933 p = buf; 934 } 935 936 chunk = 0; 937 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 938 chunk = MIN(bufleft, ffs_opts->bsize); 939 if (!isfile) 940 ; 941 else if ((nread = read(ffd, fbuf, chunk)) == -1) 942 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 943 (char *)buf, (long long)bufleft); 944 else if (nread != chunk) 945 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 946 "read %zd bytes, expected %ju bytes, does " 947 "metalog size= attribute mismatch source size?", 948 (char *)buf, (long long)bufleft, nread, 949 (uintmax_t)chunk); 950 else 951 p = fbuf; 952 offset = DIP(din, size) - bufleft; 953 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 954 printf( 955 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 956 p, (long long)offset, 957 (long long)chunk, (long long)bufleft); 958 /* 959 * XXX if holey support is desired, do the check here 960 * 961 * XXX might need to write out last bit in fragroundup 962 * sized chunk. however, ffs_balloc() handles this for us 963 */ 964 errno = ffs_balloc(&in, offset, chunk, &bp); 965 bad_ffs_write_file: 966 if (errno != 0) 967 err(1, 968 "Writing inode %d (%s), bytes %lld + %lld", 969 ino, 970 isfile ? (char *)buf : 971 inode_type(DIP(din, mode) & S_IFMT), 972 (long long)offset, (long long)chunk); 973 memcpy(bp->b_data, p, chunk); 974 errno = bwrite(bp); 975 if (errno != 0) 976 goto bad_ffs_write_file; 977 brelse(bp, 0); 978 if (!isfile) 979 p += chunk; 980 } 981 982 write_inode_and_leave: 983 ffs_write_inode(&in.i_din, in.i_number, fsopts); 984 985 leave_ffs_write_file: 986 if (fbuf) 987 free(fbuf); 988 if (ffd != -1) 989 close(ffd); 990 } 991 992 993 static void 994 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 995 { 996 doff_t i; 997 struct direct *de; 998 uint16_t reclen; 999 1000 assert (dbuf != NULL); 1001 assert (dir != NULL); 1002 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1003 dir, dbuf->size, dbuf->cur); 1004 1005 for (i = 0; i < dbuf->size; ) { 1006 de = (struct direct *)(dbuf->buf + i); 1007 reclen = ufs_rw16(de->d_reclen, needswap); 1008 printf( 1009 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1010 ufs_rw32(de->d_ino, needswap), 1011 inode_type(DTTOIF(de->d_type)), i, reclen, 1012 de->d_namlen, de->d_name); 1013 i += reclen; 1014 assert(reclen > 0); 1015 } 1016 } 1017 1018 static void 1019 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1020 { 1021 struct direct de, *dp; 1022 uint16_t llen, reclen; 1023 u_char *newbuf; 1024 1025 assert (dbuf != NULL); 1026 assert (name != NULL); 1027 assert (node != NULL); 1028 /* create direct entry */ 1029 (void)memset(&de, 0, sizeof(de)); 1030 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1031 de.d_type = IFTODT(node->type); 1032 de.d_namlen = (uint8_t)strlen(name); 1033 strcpy(de.d_name, name); 1034 reclen = DIRSIZ_SWAP(0, &de, needswap); 1035 de.d_reclen = ufs_rw16(reclen, needswap); 1036 1037 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1038 llen = 0; 1039 if (dp != NULL) 1040 llen = DIRSIZ_SWAP(0, dp, needswap); 1041 1042 if (debug & DEBUG_FS_MAKE_DIRBUF) 1043 printf( 1044 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1045 " ino %d type %d reclen %d namlen %d name %.30s\n", 1046 dbuf->size, dbuf->cur, llen, 1047 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1048 de.d_namlen, de.d_name); 1049 1050 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1051 if (debug & DEBUG_FS_MAKE_DIRBUF) 1052 printf("ffs_make_dirbuf: growing buf to %d\n", 1053 dbuf->size + DIRBLKSIZ); 1054 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1055 dbuf->buf = newbuf; 1056 dbuf->size += DIRBLKSIZ; 1057 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1058 dbuf->cur = dbuf->size - DIRBLKSIZ; 1059 } else if (dp) { /* shrink end of previous */ 1060 dp->d_reclen = ufs_rw16(llen,needswap); 1061 dbuf->cur += llen; 1062 } 1063 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1064 memcpy(dp, &de, reclen); 1065 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1066 } 1067 1068 /* 1069 * cribbed from sys/ufs/ffs/ffs_alloc.c 1070 */ 1071 static void 1072 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1073 { 1074 char *buf; 1075 struct ufs1_dinode *dp1; 1076 struct ufs2_dinode *dp2, *dip; 1077 struct cg *cgp; 1078 struct fs *fs; 1079 int cg, cgino; 1080 uint32_t i; 1081 daddr_t d; 1082 char sbbuf[FFS_MAXBSIZE]; 1083 uint32_t initediblk; 1084 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1085 1086 assert (dp != NULL); 1087 assert (ino > 0); 1088 assert (fsopts != NULL); 1089 assert (ffs_opts != NULL); 1090 1091 fs = (struct fs *)fsopts->superblock; 1092 cg = ino_to_cg(fs, ino); 1093 cgino = ino % fs->fs_ipg; 1094 if (debug & DEBUG_FS_WRITE_INODE) 1095 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1096 dp, ino, cg, cgino); 1097 1098 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1099 fsopts); 1100 cgp = (struct cg *)sbbuf; 1101 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1102 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1103 1104 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1105 1106 buf = emalloc(fs->fs_bsize); 1107 dp1 = (struct ufs1_dinode *)buf; 1108 dp2 = (struct ufs2_dinode *)buf; 1109 1110 if (fs->fs_cstotal.cs_nifree == 0) 1111 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1112 ino); 1113 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1114 errx(1, 1115 "ffs_write_inode: cg %d out of inodes for ino %u", 1116 cg, ino); 1117 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1118 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1119 fs->fs_cstotal.cs_nifree--; 1120 fs->fs_cs(fs, cg).cs_nifree--; 1121 if (S_ISDIR(DIP(dp, mode))) { 1122 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1123 fs->fs_cstotal.cs_ndir++; 1124 fs->fs_cs(fs, cg).cs_ndir++; 1125 } 1126 1127 /* 1128 * Initialize inode blocks on the fly for UFS2. 1129 */ 1130 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1131 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1132 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1133 memset(buf, 0, fs->fs_bsize); 1134 dip = (struct ufs2_dinode *)buf; 1135 for (i = 0; i < INOPB(fs); i++) { 1136 dip->di_gen = random(); 1137 dip++; 1138 } 1139 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1140 cg * fs->fs_ipg + initediblk)), 1141 fs->fs_bsize, buf, fsopts); 1142 initediblk += INOPB(fs); 1143 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1144 } 1145 1146 1147 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1148 fsopts); 1149 1150 /* now write inode */ 1151 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1152 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1153 if (fsopts->needswap) { 1154 if (ffs_opts->version == 1) 1155 ffs_dinode1_swap(&dp->ffs1_din, 1156 &dp1[ino_to_fsbo(fs, ino)]); 1157 else 1158 ffs_dinode2_swap(&dp->ffs2_din, 1159 &dp2[ino_to_fsbo(fs, ino)]); 1160 } else { 1161 if (ffs_opts->version == 1) 1162 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1163 else 1164 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1165 } 1166 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1167 free(buf); 1168 } 1169 1170 void 1171 panic(const char *fmt, ...) 1172 { 1173 va_list ap; 1174 1175 va_start(ap, fmt); 1176 vwarnx(fmt, ap); 1177 va_end(ap); 1178 exit(1); 1179 } 1180