1 /* $NetBSD: ffs.c,v 1.45 2011/10/09 22:49:26 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Luke Mewburn for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Copyright (c) 1982, 1986, 1989, 1993 39 * The Regents of the University of California. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)ffs_alloc.c 8.19 (Berkeley) 7/13/95 66 */ 67 68 #include <sys/cdefs.h> 69 __FBSDID("$FreeBSD$"); 70 71 #include <sys/param.h> 72 73 #include <sys/mount.h> 74 75 #include <assert.h> 76 #include <errno.h> 77 #include <fcntl.h> 78 #include <stdarg.h> 79 #include <stdint.h> 80 #include <stdio.h> 81 #include <stdlib.h> 82 #include <string.h> 83 #include <time.h> 84 #include <unistd.h> 85 86 #include "makefs.h" 87 #include "ffs.h" 88 89 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 90 #include <sys/statvfs.h> 91 #endif 92 93 #include <ufs/ufs/dinode.h> 94 #include <ufs/ufs/dir.h> 95 #include <ufs/ffs/fs.h> 96 97 98 #include "ffs/ufs_bswap.h" 99 #include "ffs/ufs_inode.h" 100 #include "ffs/newfs_extern.h" 101 #include "ffs/ffs_extern.h" 102 103 #undef DIP 104 #define DIP(dp, field) \ 105 ((ffs_opts->version == 1) ? \ 106 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 107 108 /* 109 * Various file system defaults (cribbed from newfs(8)). 110 */ 111 #define DFL_FRAGSIZE 1024 /* fragment size */ 112 #define DFL_BLKSIZE 8192 /* block size */ 113 #define DFL_SECSIZE 512 /* sector size */ 114 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 115 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 116 #define DFL_ROTDELAY 0 /* rotational delay */ 117 #define DFL_NRPOS 1 /* rotational positions */ 118 #define DFL_RPM 3600 /* rpm of disk */ 119 #define DFL_NSECTORS 64 /* # of sectors */ 120 #define DFL_NTRACKS 16 /* # of tracks */ 121 122 123 typedef struct { 124 u_char *buf; /* buf for directory */ 125 doff_t size; /* full size of buf */ 126 doff_t cur; /* offset of current entry */ 127 } dirbuf_t; 128 129 130 static int ffs_create_image(const char *, fsinfo_t *); 131 static void ffs_dump_fsinfo(fsinfo_t *); 132 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 133 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 134 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 135 static void ffs_size_dir(fsnode *, fsinfo_t *); 136 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 137 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 138 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 139 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 140 fsnode *, fsinfo_t *); 141 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 142 fsnode *, fsinfo_t *); 143 144 145 146 int sectorsize; /* XXX: for buf.c::getblk() */ 147 148 /* 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 time_t tstamp; 486 487 assert (image != NULL); 488 assert (fsopts != NULL); 489 490 /* create image */ 491 if ((fsopts->fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) 492 == -1) { 493 warn("Can't open `%s' for writing", image); 494 return (-1); 495 } 496 497 /* zero image */ 498 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 499 if (fstatvfs(fsopts->fd, &sfs) == -1) { 500 #endif 501 bufsize = 8192; 502 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 503 warn("can't fstatvfs `%s', using default %d byte chunk", 504 image, bufsize); 505 } else 506 bufsize = sfs.f_iosize; 507 #endif 508 bufrem = fsopts->size; 509 if (fsopts->sparse) { 510 if (ftruncate(fsopts->fd, bufrem) == -1) { 511 warn("sparse option disabled.\n"); 512 fsopts->sparse = 0; 513 } 514 } 515 if (fsopts->sparse) { 516 /* File truncated at bufrem. Remaining is 0 */ 517 bufrem = 0; 518 buf = NULL; 519 } else { 520 if (debug & DEBUG_FS_CREATE_IMAGE) 521 printf("zero-ing image `%s', %lld sectors, " 522 "using %d byte chunks\n", image, (long long)bufrem, 523 bufsize); 524 if ((buf = calloc(1, bufsize)) == NULL) { 525 warn("Can't create buffer for sector"); 526 return (-1); 527 } 528 } 529 while (bufrem > 0) { 530 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 531 if (i == -1) { 532 warn("zeroing image, %lld bytes to go", 533 (long long)bufrem); 534 free(buf); 535 return (-1); 536 } 537 bufrem -= i; 538 } 539 if (buf) 540 free(buf); 541 542 /* make the file system */ 543 if (debug & DEBUG_FS_CREATE_IMAGE) 544 printf("calling mkfs(\"%s\", ...)\n", image); 545 546 if (stampst.st_ino != 0) 547 tstamp = stampst.st_ctime; 548 else 549 tstamp = start_time.tv_sec; 550 551 srandom(tstamp); 552 553 fs = ffs_mkfs(image, fsopts, tstamp); 554 fsopts->superblock = (void *)fs; 555 if (debug & DEBUG_FS_CREATE_IMAGE) { 556 time_t t; 557 558 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 559 printf("mkfs returned %p; fs_time %s", 560 fsopts->superblock, ctime(&t)); 561 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 562 (long long)fs->fs_cstotal.cs_nbfree, 563 (long long)fs->fs_cstotal.cs_nffree, 564 (long long)fs->fs_cstotal.cs_nifree, 565 (long long)fs->fs_cstotal.cs_ndir); 566 } 567 568 if (fs->fs_cstotal.cs_nifree + ROOTINO < fsopts->inodes) { 569 warnx( 570 "Image file `%s' has %lld free inodes; %lld are required.", 571 image, 572 (long long)(fs->fs_cstotal.cs_nifree + ROOTINO), 573 (long long)fsopts->inodes); 574 return (-1); 575 } 576 return (fsopts->fd); 577 } 578 579 580 static void 581 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 582 { 583 struct direct tmpdir; 584 fsnode * node; 585 int curdirsize, this; 586 ffs_opt_t *ffs_opts = fsopts->fs_specific; 587 588 /* node may be NULL (empty directory) */ 589 assert(fsopts != NULL); 590 assert(ffs_opts != NULL); 591 592 if (debug & DEBUG_FS_SIZE_DIR) 593 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 594 (long long)fsopts->size, (long long)fsopts->inodes); 595 596 #define ADDDIRENT(e) do { \ 597 tmpdir.d_namlen = strlen((e)); \ 598 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 599 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 600 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 601 e, tmpdir.d_namlen, this, curdirsize); \ 602 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 603 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 604 curdirsize += this; \ 605 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 606 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 607 e, tmpdir.d_namlen, this, curdirsize); \ 608 } while (0); 609 610 /* 611 * XXX this needs to take into account extra space consumed 612 * by indirect blocks, etc. 613 */ 614 #define ADDSIZE(x) do { \ 615 fsopts->size += roundup((x), ffs_opts->fsize); \ 616 } while (0); 617 618 curdirsize = 0; 619 for (node = root; node != NULL; node = node->next) { 620 ADDDIRENT(node->name); 621 if (node == root) { /* we're at "." */ 622 assert(strcmp(node->name, ".") == 0); 623 ADDDIRENT(".."); 624 } else if ((node->inode->flags & FI_SIZED) == 0) { 625 /* don't count duplicate names */ 626 node->inode->flags |= FI_SIZED; 627 if (debug & DEBUG_FS_SIZE_DIR_NODE) 628 printf("ffs_size_dir: `%s' size %lld\n", 629 node->name, 630 (long long)node->inode->st.st_size); 631 fsopts->inodes++; 632 if (node->type == S_IFREG) 633 ADDSIZE(node->inode->st.st_size); 634 if (node->type == S_IFLNK) { 635 int slen; 636 637 slen = strlen(node->symlink) + 1; 638 if (slen >= (ffs_opts->version == 1 ? 639 MAXSYMLINKLEN_UFS1 : 640 MAXSYMLINKLEN_UFS2)) 641 ADDSIZE(slen); 642 } 643 } 644 if (node->type == S_IFDIR) 645 ffs_size_dir(node->child, fsopts); 646 } 647 ADDSIZE(curdirsize); 648 649 if (debug & DEBUG_FS_SIZE_DIR) 650 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 651 (long long)fsopts->size, (long long)fsopts->inodes); 652 } 653 654 static void * 655 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 656 fsnode *root, fsinfo_t *fsopts) 657 { 658 int slen; 659 void *membuf; 660 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 661 662 memset(dinp, 0, sizeof(*dinp)); 663 dinp->di_mode = cur->inode->st.st_mode; 664 dinp->di_nlink = cur->inode->nlink; 665 dinp->di_size = cur->inode->st.st_size; 666 #if HAVE_STRUCT_STAT_ST_FLAGS 667 dinp->di_flags = cur->inode->st.st_flags; 668 #endif 669 #if HAVE_STRUCT_STAT_ST_GEN 670 dinp->di_gen = cur->inode->st.st_gen; 671 #endif 672 dinp->di_uid = cur->inode->st.st_uid; 673 dinp->di_gid = cur->inode->st.st_gid; 674 675 dinp->di_atime = st->st_atime; 676 dinp->di_mtime = st->st_mtime; 677 dinp->di_ctime = st->st_ctime; 678 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 679 dinp->di_atimensec = st->st_atimensec; 680 dinp->di_mtimensec = st->st_mtimensec; 681 dinp->di_ctimensec = st->st_ctimensec; 682 #endif 683 /* not set: di_db, di_ib, di_blocks, di_spare */ 684 685 membuf = NULL; 686 if (cur == root) { /* "."; write dirbuf */ 687 membuf = dbufp->buf; 688 dinp->di_size = dbufp->size; 689 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 690 dinp->di_size = 0; /* a device */ 691 dinp->di_rdev = 692 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 693 } else if (S_ISLNK(cur->type)) { /* symlink */ 694 slen = strlen(cur->symlink); 695 if (slen < MAXSYMLINKLEN_UFS1) { /* short link */ 696 memcpy(dinp->di_db, cur->symlink, slen); 697 } else 698 membuf = cur->symlink; 699 dinp->di_size = slen; 700 } 701 return membuf; 702 } 703 704 static void * 705 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 706 fsnode *root, fsinfo_t *fsopts) 707 { 708 int slen; 709 void *membuf; 710 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 711 712 memset(dinp, 0, sizeof(*dinp)); 713 dinp->di_mode = cur->inode->st.st_mode; 714 dinp->di_nlink = cur->inode->nlink; 715 dinp->di_size = cur->inode->st.st_size; 716 #if HAVE_STRUCT_STAT_ST_FLAGS 717 dinp->di_flags = cur->inode->st.st_flags; 718 #endif 719 #if HAVE_STRUCT_STAT_ST_GEN 720 dinp->di_gen = cur->inode->st.st_gen; 721 #endif 722 dinp->di_uid = cur->inode->st.st_uid; 723 dinp->di_gid = cur->inode->st.st_gid; 724 725 dinp->di_atime = st->st_atime; 726 dinp->di_mtime = st->st_mtime; 727 dinp->di_ctime = st->st_ctime; 728 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 729 dinp->di_atimensec = st->st_atimensec; 730 dinp->di_mtimensec = st->st_mtimensec; 731 dinp->di_ctimensec = st->st_ctimensec; 732 #endif 733 #if HAVE_STRUCT_STAT_BIRTHTIME 734 dinp->di_birthtime = st->st_birthtime; 735 dinp->di_birthnsec = st->st_birthtimensec; 736 #endif 737 /* not set: di_db, di_ib, di_blocks, di_spare */ 738 739 membuf = NULL; 740 if (cur == root) { /* "."; write dirbuf */ 741 membuf = dbufp->buf; 742 dinp->di_size = dbufp->size; 743 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 744 dinp->di_size = 0; /* a device */ 745 dinp->di_rdev = 746 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 747 } else if (S_ISLNK(cur->type)) { /* symlink */ 748 slen = strlen(cur->symlink); 749 if (slen < MAXSYMLINKLEN_UFS2) { /* short link */ 750 memcpy(dinp->di_db, cur->symlink, slen); 751 } else 752 membuf = cur->symlink; 753 dinp->di_size = slen; 754 } 755 return membuf; 756 } 757 758 static int 759 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 760 { 761 fsnode *cur; 762 dirbuf_t dirbuf; 763 union dinode din; 764 void *membuf; 765 char path[MAXPATHLEN + 1]; 766 ffs_opt_t *ffs_opts = fsopts->fs_specific; 767 768 assert(dir != NULL); 769 assert(root != NULL); 770 assert(fsopts != NULL); 771 assert(ffs_opts != NULL); 772 773 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 774 775 if (debug & DEBUG_FS_POPULATE) 776 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 777 778 /* 779 * pass 1: allocate inode numbers, build directory `file' 780 */ 781 for (cur = root; cur != NULL; cur = cur->next) { 782 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 783 cur->inode->flags |= FI_ALLOCATED; 784 if (cur == root && cur->parent != NULL) 785 cur->inode->ino = cur->parent->inode->ino; 786 else { 787 cur->inode->ino = fsopts->curinode; 788 fsopts->curinode++; 789 } 790 } 791 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 792 if (cur == root) { /* we're at "."; add ".." */ 793 ffs_make_dirbuf(&dirbuf, "..", 794 cur->parent == NULL ? cur : cur->parent->first, 795 fsopts->needswap); 796 root->inode->nlink++; /* count my parent's link */ 797 } else if (cur->child != NULL) 798 root->inode->nlink++; /* count my child's link */ 799 800 /* 801 * XXX possibly write file and long symlinks here, 802 * ensuring that blocks get written before inodes? 803 * otoh, this isn't a real filesystem, so who 804 * cares about ordering? :-) 805 */ 806 } 807 if (debug & DEBUG_FS_POPULATE_DIRBUF) 808 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 809 810 /* 811 * pass 2: write out dirbuf, then non-directories at this level 812 */ 813 if (debug & DEBUG_FS_POPULATE) 814 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 815 for (cur = root; cur != NULL; cur = cur->next) { 816 if (cur->inode->flags & FI_WRITTEN) 817 continue; /* skip hard-linked entries */ 818 cur->inode->flags |= FI_WRITTEN; 819 820 if (cur->contents == NULL) { 821 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 822 cur->path, cur->name) >= (int)sizeof(path)) 823 errx(1, "Pathname too long."); 824 } 825 826 if (cur->child != NULL) 827 continue; /* child creates own inode */ 828 829 /* build on-disk inode */ 830 if (ffs_opts->version == 1) 831 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 832 root, fsopts); 833 else 834 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 835 root, fsopts); 836 837 if (debug & DEBUG_FS_POPULATE_NODE) { 838 printf("ffs_populate_dir: writing ino %d, %s", 839 cur->inode->ino, inode_type(cur->type)); 840 if (cur->inode->nlink > 1) 841 printf(", nlink %d", cur->inode->nlink); 842 putchar('\n'); 843 } 844 845 if (membuf != NULL) { 846 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 847 } else if (S_ISREG(cur->type)) { 848 ffs_write_file(&din, cur->inode->ino, 849 (cur->contents) ? cur->contents : path, fsopts); 850 } else { 851 assert (! S_ISDIR(cur->type)); 852 ffs_write_inode(&din, cur->inode->ino, fsopts); 853 } 854 } 855 856 /* 857 * pass 3: write out sub-directories 858 */ 859 if (debug & DEBUG_FS_POPULATE) 860 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 861 for (cur = root; cur != NULL; cur = cur->next) { 862 if (cur->child == NULL) 863 continue; 864 if (snprintf(path, sizeof(path), "%s/%s", dir, cur->name) 865 >= sizeof(path)) 866 errx(1, "Pathname too long."); 867 if (! ffs_populate_dir(path, cur->child, fsopts)) 868 return (0); 869 } 870 871 if (debug & DEBUG_FS_POPULATE) 872 printf("ffs_populate_dir: DONE dir %s\n", dir); 873 874 /* cleanup */ 875 if (dirbuf.buf != NULL) 876 free(dirbuf.buf); 877 return (1); 878 } 879 880 881 static void 882 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 883 { 884 int isfile, ffd; 885 char *fbuf, *p; 886 off_t bufleft, chunk, offset; 887 ssize_t nread; 888 struct inode in; 889 struct buf * bp; 890 ffs_opt_t *ffs_opts = fsopts->fs_specific; 891 892 assert (din != NULL); 893 assert (buf != NULL); 894 assert (fsopts != NULL); 895 assert (ffs_opts != NULL); 896 897 isfile = S_ISREG(DIP(din, mode)); 898 fbuf = NULL; 899 ffd = -1; 900 p = NULL; 901 902 in.i_fs = (struct fs *)fsopts->superblock; 903 904 if (debug & DEBUG_FS_WRITE_FILE) { 905 printf( 906 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 907 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 908 (long long)DIP(din, size)); 909 if (isfile) 910 printf(", file '%s'\n", (char *)buf); 911 else 912 printf(", buffer %p\n", buf); 913 } 914 915 in.i_number = ino; 916 in.i_size = DIP(din, size); 917 if (ffs_opts->version == 1) 918 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 919 sizeof(in.i_din.ffs1_din)); 920 else 921 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 922 sizeof(in.i_din.ffs2_din)); 923 in.i_fd = fsopts->fd; 924 925 if (DIP(din, size) == 0) 926 goto write_inode_and_leave; /* mmm, cheating */ 927 928 if (isfile) { 929 if ((fbuf = malloc(ffs_opts->bsize)) == NULL) 930 err(1, "Allocating memory for write buffer"); 931 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 932 warn("Can't open `%s' for reading", (char *)buf); 933 goto leave_ffs_write_file; 934 } 935 } else { 936 p = buf; 937 } 938 939 chunk = 0; 940 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 941 chunk = MIN(bufleft, ffs_opts->bsize); 942 if (!isfile) 943 ; 944 else if ((nread = read(ffd, fbuf, chunk)) == -1) 945 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 946 (char *)buf, (long long)bufleft); 947 else if (nread != chunk) 948 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 949 "read %zd bytes, expected %ju bytes, does " 950 "metalog size= attribute mismatch source size?", 951 (char *)buf, (long long)bufleft, nread, 952 (uintmax_t)chunk); 953 else 954 p = fbuf; 955 offset = DIP(din, size) - bufleft; 956 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 957 printf( 958 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 959 p, (long long)offset, 960 (long long)chunk, (long long)bufleft); 961 /* 962 * XXX if holey support is desired, do the check here 963 * 964 * XXX might need to write out last bit in fragroundup 965 * sized chunk. however, ffs_balloc() handles this for us 966 */ 967 errno = ffs_balloc(&in, offset, chunk, &bp); 968 bad_ffs_write_file: 969 if (errno != 0) 970 err(1, 971 "Writing inode %d (%s), bytes %lld + %lld", 972 ino, 973 isfile ? (char *)buf : 974 inode_type(DIP(din, mode) & S_IFMT), 975 (long long)offset, (long long)chunk); 976 memcpy(bp->b_data, p, chunk); 977 errno = bwrite(bp); 978 if (errno != 0) 979 goto bad_ffs_write_file; 980 brelse(bp); 981 if (!isfile) 982 p += chunk; 983 } 984 985 write_inode_and_leave: 986 ffs_write_inode(&in.i_din, in.i_number, fsopts); 987 988 leave_ffs_write_file: 989 if (fbuf) 990 free(fbuf); 991 if (ffd != -1) 992 close(ffd); 993 } 994 995 996 static void 997 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 998 { 999 doff_t i; 1000 struct direct *de; 1001 uint16_t reclen; 1002 1003 assert (dbuf != NULL); 1004 assert (dir != NULL); 1005 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1006 dir, dbuf->size, dbuf->cur); 1007 1008 for (i = 0; i < dbuf->size; ) { 1009 de = (struct direct *)(dbuf->buf + i); 1010 reclen = ufs_rw16(de->d_reclen, needswap); 1011 printf( 1012 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1013 ufs_rw32(de->d_ino, needswap), 1014 inode_type(DTTOIF(de->d_type)), i, reclen, 1015 de->d_namlen, de->d_name); 1016 i += reclen; 1017 assert(reclen > 0); 1018 } 1019 } 1020 1021 static void 1022 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1023 { 1024 struct direct de, *dp; 1025 uint16_t llen, reclen; 1026 u_char *newbuf; 1027 1028 assert (dbuf != NULL); 1029 assert (name != NULL); 1030 assert (node != NULL); 1031 /* create direct entry */ 1032 (void)memset(&de, 0, sizeof(de)); 1033 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1034 de.d_type = IFTODT(node->type); 1035 de.d_namlen = (uint8_t)strlen(name); 1036 strcpy(de.d_name, name); 1037 reclen = DIRSIZ_SWAP(0, &de, needswap); 1038 de.d_reclen = ufs_rw16(reclen, needswap); 1039 1040 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1041 llen = 0; 1042 if (dp != NULL) 1043 llen = DIRSIZ_SWAP(0, dp, needswap); 1044 1045 if (debug & DEBUG_FS_MAKE_DIRBUF) 1046 printf( 1047 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1048 " ino %d type %d reclen %d namlen %d name %.30s\n", 1049 dbuf->size, dbuf->cur, llen, 1050 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1051 de.d_namlen, de.d_name); 1052 1053 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1054 if (debug & DEBUG_FS_MAKE_DIRBUF) 1055 printf("ffs_make_dirbuf: growing buf to %d\n", 1056 dbuf->size + DIRBLKSIZ); 1057 if ((newbuf = realloc(dbuf->buf, dbuf->size + DIRBLKSIZ)) == NULL) 1058 err(1, "Allocating memory for directory buffer"); 1059 dbuf->buf = newbuf; 1060 dbuf->size += DIRBLKSIZ; 1061 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1062 dbuf->cur = dbuf->size - DIRBLKSIZ; 1063 } else if (dp) { /* shrink end of previous */ 1064 dp->d_reclen = ufs_rw16(llen,needswap); 1065 dbuf->cur += llen; 1066 } 1067 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1068 memcpy(dp, &de, reclen); 1069 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1070 } 1071 1072 /* 1073 * cribbed from sys/ufs/ffs/ffs_alloc.c 1074 */ 1075 static void 1076 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1077 { 1078 char *buf; 1079 struct ufs1_dinode *dp1; 1080 struct ufs2_dinode *dp2, *dip; 1081 struct cg *cgp; 1082 struct fs *fs; 1083 int cg, cgino, i; 1084 daddr_t d; 1085 char sbbuf[FFS_MAXBSIZE]; 1086 int32_t initediblk; 1087 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1088 1089 assert (dp != NULL); 1090 assert (ino > 0); 1091 assert (fsopts != NULL); 1092 assert (ffs_opts != NULL); 1093 1094 fs = (struct fs *)fsopts->superblock; 1095 cg = ino_to_cg(fs, ino); 1096 cgino = ino % fs->fs_ipg; 1097 if (debug & DEBUG_FS_WRITE_INODE) 1098 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1099 dp, ino, cg, cgino); 1100 1101 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1102 fsopts); 1103 cgp = (struct cg *)sbbuf; 1104 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1105 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1106 1107 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1108 1109 buf = malloc(fs->fs_bsize); 1110 if (buf == NULL) 1111 errx(1, "ffs_write_inode: cg %d: can't alloc inode block", cg); 1112 1113 dp1 = (struct ufs1_dinode *)buf; 1114 dp2 = (struct ufs2_dinode *)buf; 1115 1116 if (fs->fs_cstotal.cs_nifree == 0) 1117 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1118 ino); 1119 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1120 errx(1, 1121 "ffs_write_inode: cg %d out of inodes for ino %u", 1122 cg, ino); 1123 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1124 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1125 fs->fs_cstotal.cs_nifree--; 1126 fs->fs_cs(fs, cg).cs_nifree--; 1127 if (S_ISDIR(DIP(dp, mode))) { 1128 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1129 fs->fs_cstotal.cs_ndir++; 1130 fs->fs_cs(fs, cg).cs_ndir++; 1131 } 1132 1133 /* 1134 * Initialize inode blocks on the fly for UFS2. 1135 */ 1136 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1137 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1138 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1139 memset(buf, 0, fs->fs_bsize); 1140 dip = (struct ufs2_dinode *)buf; 1141 for (i = 0; i < INOPB(fs); i++) { 1142 dip->di_gen = random(); 1143 dip++; 1144 } 1145 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1146 cg * fs->fs_ipg + initediblk)), 1147 fs->fs_bsize, buf, fsopts); 1148 initediblk += INOPB(fs); 1149 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1150 } 1151 1152 1153 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1154 fsopts); 1155 1156 /* now write inode */ 1157 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1158 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1159 if (fsopts->needswap) { 1160 if (ffs_opts->version == 1) 1161 ffs_dinode1_swap(&dp->ffs1_din, 1162 &dp1[ino_to_fsbo(fs, ino)]); 1163 else 1164 ffs_dinode2_swap(&dp->ffs2_din, 1165 &dp2[ino_to_fsbo(fs, ino)]); 1166 } else { 1167 if (ffs_opts->version == 1) 1168 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1169 else 1170 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1171 } 1172 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1173 free(buf); 1174 } 1175 1176 void 1177 panic(const char *fmt, ...) 1178 { 1179 va_list ap; 1180 1181 va_start(ap, fmt); 1182 vwarnx(fmt, ap); 1183 va_end(ap); 1184 exit(1); 1185 } 1186