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 = UFS_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 += UFS_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 + UFS_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 + UFS_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 UFS1_MAXSYMLINKLEN : 640 UFS2_MAXSYMLINKLEN)) 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 dinp->di_gen = random(); 670 dinp->di_uid = cur->inode->st.st_uid; 671 dinp->di_gid = cur->inode->st.st_gid; 672 673 dinp->di_atime = st->st_atime; 674 dinp->di_mtime = st->st_mtime; 675 dinp->di_ctime = st->st_ctime; 676 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 677 dinp->di_atimensec = st->st_atimensec; 678 dinp->di_mtimensec = st->st_mtimensec; 679 dinp->di_ctimensec = st->st_ctimensec; 680 #endif 681 /* not set: di_db, di_ib, di_blocks, di_spare */ 682 683 membuf = NULL; 684 if (cur == root) { /* "."; write dirbuf */ 685 membuf = dbufp->buf; 686 dinp->di_size = dbufp->size; 687 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 688 dinp->di_size = 0; /* a device */ 689 dinp->di_rdev = 690 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 691 } else if (S_ISLNK(cur->type)) { /* symlink */ 692 slen = strlen(cur->symlink); 693 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 694 memcpy(dinp->di_db, cur->symlink, slen); 695 } else 696 membuf = cur->symlink; 697 dinp->di_size = slen; 698 } 699 return membuf; 700 } 701 702 static void * 703 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 704 fsnode *root, fsinfo_t *fsopts) 705 { 706 int slen; 707 void *membuf; 708 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 709 710 memset(dinp, 0, sizeof(*dinp)); 711 dinp->di_mode = cur->inode->st.st_mode; 712 dinp->di_nlink = cur->inode->nlink; 713 dinp->di_size = cur->inode->st.st_size; 714 #if HAVE_STRUCT_STAT_ST_FLAGS 715 dinp->di_flags = cur->inode->st.st_flags; 716 #endif 717 dinp->di_gen = random(); 718 dinp->di_uid = cur->inode->st.st_uid; 719 dinp->di_gid = cur->inode->st.st_gid; 720 721 dinp->di_atime = st->st_atime; 722 dinp->di_mtime = st->st_mtime; 723 dinp->di_ctime = st->st_ctime; 724 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 725 dinp->di_atimensec = st->st_atimensec; 726 dinp->di_mtimensec = st->st_mtimensec; 727 dinp->di_ctimensec = st->st_ctimensec; 728 #endif 729 #if HAVE_STRUCT_STAT_BIRTHTIME 730 dinp->di_birthtime = st->st_birthtime; 731 dinp->di_birthnsec = st->st_birthtimensec; 732 #endif 733 /* not set: di_db, di_ib, di_blocks, di_spare */ 734 735 membuf = NULL; 736 if (cur == root) { /* "."; write dirbuf */ 737 membuf = dbufp->buf; 738 dinp->di_size = dbufp->size; 739 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 740 dinp->di_size = 0; /* a device */ 741 dinp->di_rdev = 742 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 743 } else if (S_ISLNK(cur->type)) { /* symlink */ 744 slen = strlen(cur->symlink); 745 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 746 memcpy(dinp->di_db, cur->symlink, slen); 747 } else 748 membuf = cur->symlink; 749 dinp->di_size = slen; 750 } 751 return membuf; 752 } 753 754 static int 755 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 756 { 757 fsnode *cur; 758 dirbuf_t dirbuf; 759 union dinode din; 760 void *membuf; 761 char path[MAXPATHLEN + 1]; 762 ffs_opt_t *ffs_opts = fsopts->fs_specific; 763 764 assert(dir != NULL); 765 assert(root != NULL); 766 assert(fsopts != NULL); 767 assert(ffs_opts != NULL); 768 769 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 770 771 if (debug & DEBUG_FS_POPULATE) 772 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 773 774 /* 775 * pass 1: allocate inode numbers, build directory `file' 776 */ 777 for (cur = root; cur != NULL; cur = cur->next) { 778 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 779 cur->inode->flags |= FI_ALLOCATED; 780 if (cur == root && cur->parent != NULL) 781 cur->inode->ino = cur->parent->inode->ino; 782 else { 783 cur->inode->ino = fsopts->curinode; 784 fsopts->curinode++; 785 } 786 } 787 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 788 if (cur == root) { /* we're at "."; add ".." */ 789 ffs_make_dirbuf(&dirbuf, "..", 790 cur->parent == NULL ? cur : cur->parent->first, 791 fsopts->needswap); 792 root->inode->nlink++; /* count my parent's link */ 793 } else if (cur->child != NULL) 794 root->inode->nlink++; /* count my child's link */ 795 796 /* 797 * XXX possibly write file and long symlinks here, 798 * ensuring that blocks get written before inodes? 799 * otoh, this isn't a real filesystem, so who 800 * cares about ordering? :-) 801 */ 802 } 803 if (debug & DEBUG_FS_POPULATE_DIRBUF) 804 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 805 806 /* 807 * pass 2: write out dirbuf, then non-directories at this level 808 */ 809 if (debug & DEBUG_FS_POPULATE) 810 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 811 for (cur = root; cur != NULL; cur = cur->next) { 812 if (cur->inode->flags & FI_WRITTEN) 813 continue; /* skip hard-linked entries */ 814 cur->inode->flags |= FI_WRITTEN; 815 816 if (cur->contents == NULL) { 817 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 818 cur->path, cur->name) >= (int)sizeof(path)) 819 errx(1, "Pathname too long."); 820 } 821 822 if (cur->child != NULL) 823 continue; /* child creates own inode */ 824 825 /* build on-disk inode */ 826 if (ffs_opts->version == 1) 827 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 828 root, fsopts); 829 else 830 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 831 root, fsopts); 832 833 if (debug & DEBUG_FS_POPULATE_NODE) { 834 printf("ffs_populate_dir: writing ino %d, %s", 835 cur->inode->ino, inode_type(cur->type)); 836 if (cur->inode->nlink > 1) 837 printf(", nlink %d", cur->inode->nlink); 838 putchar('\n'); 839 } 840 841 if (membuf != NULL) { 842 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 843 } else if (S_ISREG(cur->type)) { 844 ffs_write_file(&din, cur->inode->ino, 845 (cur->contents) ? cur->contents : path, fsopts); 846 } else { 847 assert (! S_ISDIR(cur->type)); 848 ffs_write_inode(&din, cur->inode->ino, fsopts); 849 } 850 } 851 852 /* 853 * pass 3: write out sub-directories 854 */ 855 if (debug & DEBUG_FS_POPULATE) 856 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 857 for (cur = root; cur != NULL; cur = cur->next) { 858 if (cur->child == NULL) 859 continue; 860 if (snprintf(path, sizeof(path), "%s/%s", dir, cur->name) 861 >= sizeof(path)) 862 errx(1, "Pathname too long."); 863 if (! ffs_populate_dir(path, cur->child, fsopts)) 864 return (0); 865 } 866 867 if (debug & DEBUG_FS_POPULATE) 868 printf("ffs_populate_dir: DONE dir %s\n", dir); 869 870 /* cleanup */ 871 if (dirbuf.buf != NULL) 872 free(dirbuf.buf); 873 return (1); 874 } 875 876 877 static void 878 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 879 { 880 int isfile, ffd; 881 char *fbuf, *p; 882 off_t bufleft, chunk, offset; 883 ssize_t nread; 884 struct inode in; 885 struct buf * bp; 886 ffs_opt_t *ffs_opts = fsopts->fs_specific; 887 888 assert (din != NULL); 889 assert (buf != NULL); 890 assert (fsopts != NULL); 891 assert (ffs_opts != NULL); 892 893 isfile = S_ISREG(DIP(din, mode)); 894 fbuf = NULL; 895 ffd = -1; 896 p = NULL; 897 898 in.i_fs = (struct fs *)fsopts->superblock; 899 900 if (debug & DEBUG_FS_WRITE_FILE) { 901 printf( 902 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 903 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 904 (long long)DIP(din, size)); 905 if (isfile) 906 printf(", file '%s'\n", (char *)buf); 907 else 908 printf(", buffer %p\n", buf); 909 } 910 911 in.i_number = ino; 912 in.i_size = DIP(din, size); 913 if (ffs_opts->version == 1) 914 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 915 sizeof(in.i_din.ffs1_din)); 916 else 917 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 918 sizeof(in.i_din.ffs2_din)); 919 in.i_fd = fsopts->fd; 920 921 if (DIP(din, size) == 0) 922 goto write_inode_and_leave; /* mmm, cheating */ 923 924 if (isfile) { 925 if ((fbuf = malloc(ffs_opts->bsize)) == NULL) 926 err(1, "Allocating memory for write buffer"); 927 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 928 warn("Can't open `%s' for reading", (char *)buf); 929 goto leave_ffs_write_file; 930 } 931 } else { 932 p = buf; 933 } 934 935 chunk = 0; 936 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 937 chunk = MIN(bufleft, ffs_opts->bsize); 938 if (!isfile) 939 ; 940 else if ((nread = read(ffd, fbuf, chunk)) == -1) 941 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 942 (char *)buf, (long long)bufleft); 943 else if (nread != chunk) 944 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 945 "read %zd bytes, expected %ju bytes, does " 946 "metalog size= attribute mismatch source size?", 947 (char *)buf, (long long)bufleft, nread, 948 (uintmax_t)chunk); 949 else 950 p = fbuf; 951 offset = DIP(din, size) - bufleft; 952 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 953 printf( 954 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 955 p, (long long)offset, 956 (long long)chunk, (long long)bufleft); 957 /* 958 * XXX if holey support is desired, do the check here 959 * 960 * XXX might need to write out last bit in fragroundup 961 * sized chunk. however, ffs_balloc() handles this for us 962 */ 963 errno = ffs_balloc(&in, offset, chunk, &bp); 964 bad_ffs_write_file: 965 if (errno != 0) 966 err(1, 967 "Writing inode %d (%s), bytes %lld + %lld", 968 ino, 969 isfile ? (char *)buf : 970 inode_type(DIP(din, mode) & S_IFMT), 971 (long long)offset, (long long)chunk); 972 memcpy(bp->b_data, p, chunk); 973 errno = bwrite(bp); 974 if (errno != 0) 975 goto bad_ffs_write_file; 976 brelse(bp, 0); 977 if (!isfile) 978 p += chunk; 979 } 980 981 write_inode_and_leave: 982 ffs_write_inode(&in.i_din, in.i_number, fsopts); 983 984 leave_ffs_write_file: 985 if (fbuf) 986 free(fbuf); 987 if (ffd != -1) 988 close(ffd); 989 } 990 991 992 static void 993 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 994 { 995 doff_t i; 996 struct direct *de; 997 uint16_t reclen; 998 999 assert (dbuf != NULL); 1000 assert (dir != NULL); 1001 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1002 dir, dbuf->size, dbuf->cur); 1003 1004 for (i = 0; i < dbuf->size; ) { 1005 de = (struct direct *)(dbuf->buf + i); 1006 reclen = ufs_rw16(de->d_reclen, needswap); 1007 printf( 1008 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1009 ufs_rw32(de->d_ino, needswap), 1010 inode_type(DTTOIF(de->d_type)), i, reclen, 1011 de->d_namlen, de->d_name); 1012 i += reclen; 1013 assert(reclen > 0); 1014 } 1015 } 1016 1017 static void 1018 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1019 { 1020 struct direct de, *dp; 1021 uint16_t llen, reclen; 1022 u_char *newbuf; 1023 1024 assert (dbuf != NULL); 1025 assert (name != NULL); 1026 assert (node != NULL); 1027 /* create direct entry */ 1028 (void)memset(&de, 0, sizeof(de)); 1029 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1030 de.d_type = IFTODT(node->type); 1031 de.d_namlen = (uint8_t)strlen(name); 1032 strcpy(de.d_name, name); 1033 reclen = DIRSIZ_SWAP(0, &de, needswap); 1034 de.d_reclen = ufs_rw16(reclen, needswap); 1035 1036 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1037 llen = 0; 1038 if (dp != NULL) 1039 llen = DIRSIZ_SWAP(0, dp, needswap); 1040 1041 if (debug & DEBUG_FS_MAKE_DIRBUF) 1042 printf( 1043 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1044 " ino %d type %d reclen %d namlen %d name %.30s\n", 1045 dbuf->size, dbuf->cur, llen, 1046 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1047 de.d_namlen, de.d_name); 1048 1049 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1050 if (debug & DEBUG_FS_MAKE_DIRBUF) 1051 printf("ffs_make_dirbuf: growing buf to %d\n", 1052 dbuf->size + DIRBLKSIZ); 1053 if ((newbuf = realloc(dbuf->buf, dbuf->size + DIRBLKSIZ)) == NULL) 1054 err(1, "Allocating memory for directory buffer"); 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, i; 1080 daddr_t d; 1081 char sbbuf[FFS_MAXBSIZE]; 1082 int32_t initediblk; 1083 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1084 1085 assert (dp != NULL); 1086 assert (ino > 0); 1087 assert (fsopts != NULL); 1088 assert (ffs_opts != NULL); 1089 1090 fs = (struct fs *)fsopts->superblock; 1091 cg = ino_to_cg(fs, ino); 1092 cgino = ino % fs->fs_ipg; 1093 if (debug & DEBUG_FS_WRITE_INODE) 1094 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1095 dp, ino, cg, cgino); 1096 1097 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1098 fsopts); 1099 cgp = (struct cg *)sbbuf; 1100 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1101 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1102 1103 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1104 1105 buf = malloc(fs->fs_bsize); 1106 if (buf == NULL) 1107 errx(1, "ffs_write_inode: cg %d: can't alloc inode block", cg); 1108 1109 dp1 = (struct ufs1_dinode *)buf; 1110 dp2 = (struct ufs2_dinode *)buf; 1111 1112 if (fs->fs_cstotal.cs_nifree == 0) 1113 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1114 ino); 1115 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1116 errx(1, 1117 "ffs_write_inode: cg %d out of inodes for ino %u", 1118 cg, ino); 1119 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1120 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1121 fs->fs_cstotal.cs_nifree--; 1122 fs->fs_cs(fs, cg).cs_nifree--; 1123 if (S_ISDIR(DIP(dp, mode))) { 1124 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1125 fs->fs_cstotal.cs_ndir++; 1126 fs->fs_cs(fs, cg).cs_ndir++; 1127 } 1128 1129 /* 1130 * Initialize inode blocks on the fly for UFS2. 1131 */ 1132 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1133 if (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1134 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1135 memset(buf, 0, fs->fs_bsize); 1136 dip = (struct ufs2_dinode *)buf; 1137 for (i = 0; i < INOPB(fs); i++) { 1138 dip->di_gen = random(); 1139 dip++; 1140 } 1141 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1142 cg * fs->fs_ipg + initediblk)), 1143 fs->fs_bsize, buf, fsopts); 1144 initediblk += INOPB(fs); 1145 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1146 } 1147 1148 1149 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1150 fsopts); 1151 1152 /* now write inode */ 1153 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1154 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1155 if (fsopts->needswap) { 1156 if (ffs_opts->version == 1) 1157 ffs_dinode1_swap(&dp->ffs1_din, 1158 &dp1[ino_to_fsbo(fs, ino)]); 1159 else 1160 ffs_dinode2_swap(&dp->ffs2_din, 1161 &dp2[ino_to_fsbo(fs, ino)]); 1162 } else { 1163 if (ffs_opts->version == 1) 1164 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1165 else 1166 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1167 } 1168 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1169 free(buf); 1170 } 1171 1172 void 1173 panic(const char *fmt, ...) 1174 { 1175 va_list ap; 1176 1177 va_start(ap, fmt); 1178 vwarnx(fmt, ap); 1179 va_end(ap); 1180 exit(1); 1181 } 1182