1 /* $NetBSD: ffs.c,v 1.79 2026/09/23 15:27:47 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Luke Mewburn for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 /* 38 * Copyright (c) 1982, 1986, 1989, 1993 39 * The Regents of the University of California. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)ffs_alloc.c 8.19 (Berkeley) 7/13/95 66 */ 67 68 #if HAVE_NBTOOL_CONFIG_H 69 #include "nbtool_config.h" 70 #endif 71 72 #include <sys/cdefs.h> 73 #if defined(__RCSID) && !defined(__lint) 74 __RCSID("$NetBSD: ffs.c,v 1.79 2026/09/23 15:27:47 tsutsui Exp $"); 75 #endif /* !__lint */ 76 77 #include <sys/param.h> 78 79 #if !HAVE_NBTOOL_CONFIG_H 80 #include <sys/mount.h> 81 #endif 82 83 #include <assert.h> 84 #include <errno.h> 85 #include <fcntl.h> 86 #include <stdarg.h> 87 #include <stdio.h> 88 #include <stdlib.h> 89 #include <string.h> 90 #include <unistd.h> 91 #include <util.h> 92 #include <time.h> 93 94 #include "makefs.h" 95 #include "ffs.h" 96 97 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 98 #include <sys/statvfs.h> 99 #endif 100 101 #include <ufs/ufs/dinode.h> 102 #include <ufs/ufs/dir.h> 103 #include <ufs/ffs/fs.h> 104 #include <ufs/ufs/ufs_bswap.h> 105 106 #include "ffs/ufs_inode.h" 107 #include "ffs/newfs_extern.h" 108 #include "ffs/ffs_extern.h" 109 110 #undef DIP 111 #define DIP(dp, field) \ 112 ((ffs_opts->version <= 1) ? \ 113 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 114 115 /* 116 * Various file system defaults (cribbed from newfs(8)). 117 */ 118 #define DFL_FRAGSIZE 1024 /* fragment size */ 119 #define DFL_BLKSIZE 8192 /* block size */ 120 #define DFL_SECSIZE 512 /* sector size */ 121 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 122 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 123 #define DFL_ROTDELAY 0 /* rotational delay */ 124 #define DFL_NRPOS 1 /* rotational positions */ 125 #define DFL_RPM 3600 /* rpm of disk */ 126 #define DFL_NSECTORS 64 /* # of sectors */ 127 #define DFL_NTRACKS 16 /* # of tracks */ 128 129 130 typedef struct { 131 u_char *buf; /* buf for directory */ 132 doff_t size; /* full size of buf */ 133 doff_t cur; /* offset of current entry */ 134 } dirbuf_t; 135 136 /* for version==0 (as newfs -O 0, FFSv1 with level 1 format) */ 137 struct odirect { 138 uint32_t d_ino; 139 uint16_t d_reclen; 140 uint16_t d_namlen; 141 uint8_t d_name[FFS_MAXNAMLEN + 1]; 142 }; 143 144 static int ffs_create_image(const char *, fsinfo_t *); 145 static void ffs_dump_fsinfo(fsinfo_t *); 146 static void ffs_dump_dirbuf(dirbuf_t *, const char *, const fsinfo_t *); 147 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, 148 const fsinfo_t *); 149 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 150 static void ffs_size_dir(fsnode *, fsinfo_t *); 151 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 152 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 153 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 154 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 155 fsnode *, fsinfo_t *); 156 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 157 fsnode *, fsinfo_t *); 158 159 160 161 /* publicly visible functions */ 162 void 163 ffs_prep_opts(fsinfo_t *fsopts) 164 { 165 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 166 167 const option_t ffs_options[] = { 168 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 169 1, INT_MAX, "block size" }, 170 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 171 1, INT_MAX, "fragment size" }, 172 { 'd', "density", &ffs_opts->density, OPT_INT32, 173 1, INT_MAX, "bytes per inode" }, 174 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 175 0, 99, "minfree" }, 176 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 177 1, INT_MAX, "max blocks per file in a cg" }, 178 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 179 1, INT_MAX, "expected average file size" }, 180 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 181 1, INT_MAX, "expected # of files per directory" }, 182 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 183 1, INT_MAX, "maximum # extent size" }, 184 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 185 1, INT_MAX, "max # of blocks per group" }, 186 { 'v', "version", &ffs_opts->version, OPT_INT32, 187 0, 2, "FFS format version (compatible with newfs -O)" }, 188 { 'o', "optimization", NULL, OPT_STRBUF, 189 0, 0, "Optimization (time|space)" }, 190 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 191 1, sizeof(ffs_opts->label), "UFS label" }, 192 { 'e', "extattr", &ffs_opts->extattr, OPT_INT32, 193 0, 1, "extattr support" }, 194 { .name = NULL } 195 }; 196 197 ffs_opts->bsize= -1; 198 ffs_opts->fsize= -1; 199 ffs_opts->cpg= -1; 200 ffs_opts->density= -1; 201 ffs_opts->minfree= -1; 202 ffs_opts->optimization= -1; 203 ffs_opts->maxcontig= -1; 204 ffs_opts->maxbpg= -1; 205 ffs_opts->avgfilesize= -1; 206 ffs_opts->avgfpdir= -1; 207 ffs_opts->version = 1; 208 ffs_opts->extattr = 1; 209 210 fsopts->fs_specific = ffs_opts; 211 fsopts->fs_options = copy_opts(ffs_options); 212 } 213 214 void 215 ffs_cleanup_opts(fsinfo_t *fsopts) 216 { 217 free(fsopts->fs_specific); 218 free(fsopts->fs_options); 219 } 220 221 int 222 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 223 { 224 ffs_opt_t *ffs_opts = fsopts->fs_specific; 225 option_t *ffs_options = fsopts->fs_options; 226 char buf[1024]; 227 228 int rv; 229 230 assert(option != NULL); 231 assert(fsopts != NULL); 232 assert(ffs_opts != NULL); 233 234 if (debug & DEBUG_FS_PARSE_OPTS) 235 printf("ffs_parse_opts: got `%s'\n", option); 236 237 rv = set_option(ffs_options, option, buf, sizeof(buf)); 238 if (rv == -1) 239 return 0; 240 241 if (ffs_options[rv].name == NULL) 242 abort(); 243 244 switch (ffs_options[rv].letter) { 245 case 'o': 246 if (strcmp(buf, "time") == 0) { 247 ffs_opts->optimization = FS_OPTTIME; 248 } else if (strcmp(buf, "space") == 0) { 249 ffs_opts->optimization = FS_OPTSPACE; 250 } else { 251 warnx("Invalid optimization `%s'", buf); 252 return 0; 253 } 254 break; 255 default: 256 break; 257 } 258 return 1; 259 } 260 261 262 void 263 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 264 { 265 struct fs *superblock; 266 struct timeval start; 267 268 assert(image != NULL); 269 assert(dir != NULL); 270 assert(root != NULL); 271 assert(fsopts != NULL); 272 273 if (debug & DEBUG_FS_MAKEFS) 274 printf("ffs_makefs: image %s directory %s root %p\n", 275 image, dir, root); 276 277 /* validate tree and options */ 278 TIMER_START(start); 279 ffs_validate(dir, root, fsopts); 280 TIMER_RESULTS(start, "ffs_validate"); 281 282 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 283 image, (long long)fsopts->size, (long long)fsopts->inodes); 284 285 /* create image */ 286 TIMER_START(start); 287 if (ffs_create_image(image, fsopts) == -1) 288 errx(EXIT_FAILURE, "Image file `%s' not created.", image); 289 TIMER_RESULTS(start, "ffs_create_image"); 290 291 fsopts->curinode = UFS_ROOTINO; 292 293 if (debug & DEBUG_FS_MAKEFS) 294 putchar('\n'); 295 296 /* populate image */ 297 printf("Populating `%s'\n", image); 298 TIMER_START(start); 299 if (! ffs_populate_dir(dir, root, fsopts)) 300 errx(EXIT_FAILURE, "Image file `%s' not populated.", image); 301 TIMER_RESULTS(start, "ffs_populate_dir"); 302 303 /* ensure no outstanding buffers remain */ 304 if (debug & DEBUG_FS_MAKEFS) 305 bcleanup(); 306 307 /* update various superblock parameters */ 308 superblock = fsopts->superblock; 309 superblock->fs_fmod = 0; 310 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 311 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 312 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 313 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 314 315 /* write out superblock; image is now complete */ 316 ffs_write_superblock(fsopts->superblock, fsopts); 317 if (close(fsopts->fd) == -1) 318 err(EXIT_FAILURE, "Closing `%s'", image); 319 fsopts->fd = -1; 320 printf("Image `%s' complete\n", image); 321 } 322 323 /* end of public functions */ 324 325 326 static void 327 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 328 { 329 int32_t ncg = 1; 330 #if notyet 331 int32_t spc, nspf, ncyl, fssize; 332 #endif 333 ffs_opt_t *ffs_opts = fsopts->fs_specific; 334 335 assert(dir != NULL); 336 assert(root != NULL); 337 assert(fsopts != NULL); 338 assert(ffs_opts != NULL); 339 340 if (debug & DEBUG_FS_VALIDATE) { 341 printf("ffs_validate: before defaults set:\n"); 342 ffs_dump_fsinfo(fsopts); 343 } 344 345 /* set FFS defaults */ 346 if (fsopts->sectorsize == -1) 347 fsopts->sectorsize = DFL_SECSIZE; 348 if (ffs_opts->fsize == -1) 349 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 350 if (ffs_opts->bsize == -1) 351 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 352 if (ffs_opts->cpg == -1) 353 ffs_opts->cpg = DFL_CYLSPERGROUP; 354 else 355 ffs_opts->cpgflg = 1; 356 /* fsopts->density is set below */ 357 if (ffs_opts->nsectors == -1) 358 ffs_opts->nsectors = DFL_NSECTORS; 359 if (ffs_opts->minfree == -1) 360 ffs_opts->minfree = MINFREE; 361 if (ffs_opts->optimization == -1) 362 ffs_opts->optimization = DEFAULTOPT; 363 if (ffs_opts->maxcontig == -1) 364 ffs_opts->maxcontig = 365 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 366 /* XXX ondisk32 */ 367 if (ffs_opts->maxbpg == -1) 368 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 369 if (ffs_opts->avgfilesize == -1) 370 ffs_opts->avgfilesize = AVFILESIZ; 371 if (ffs_opts->avgfpdir == -1) 372 ffs_opts->avgfpdir = AFPDIR; 373 374 /* calculate size of tree */ 375 ffs_size_dir(root, fsopts); 376 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 377 378 if (debug & DEBUG_FS_VALIDATE) 379 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 380 (long long)fsopts->size, (long long)fsopts->inodes); 381 382 /* add requested slop */ 383 fsopts->size += fsopts->freeblocks; 384 fsopts->inodes += fsopts->freefiles; 385 if (fsopts->freefilepc > 0) 386 fsopts->inodes = 387 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 388 if (fsopts->freeblockpc > 0) 389 fsopts->size = 390 fsopts->size * (100 + fsopts->freeblockpc) / 100; 391 392 /* add space needed for superblocks */ 393 /* 394 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 395 * typically used for small filesystems where space matters. 396 * XXX make this an option. 397 */ 398 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 399 /* add space needed to store inodes, x3 for blockmaps, etc */ 400 if (ffs_opts->version <= 1) 401 fsopts->size += ncg * DINODE1_SIZE * 402 roundup(fsopts->inodes / ncg, 403 ffs_opts->bsize / DINODE1_SIZE); 404 else 405 fsopts->size += ncg * DINODE2_SIZE * 406 roundup(fsopts->inodes / ncg, 407 ffs_opts->bsize / DINODE2_SIZE); 408 409 /* add minfree */ 410 if (ffs_opts->minfree > 0) 411 fsopts->size = 412 fsopts->size * (100 + ffs_opts->minfree) / 100; 413 /* 414 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 415 */ 416 417 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 418 fsopts->size = fsopts->minsize; 419 420 /* round up to the next block */ 421 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 422 423 /* calculate density if necessary */ 424 if (ffs_opts->density == -1) 425 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 426 427 if (debug & DEBUG_FS_VALIDATE) { 428 printf("ffs_validate: after defaults set:\n"); 429 ffs_dump_fsinfo(fsopts); 430 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 431 dir, (long long)fsopts->size, (long long)fsopts->inodes); 432 } 433 /* now check calculated sizes vs requested sizes */ 434 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 435 errx(EXIT_FAILURE, 436 "`%s' size of %lld is larger than the maxsize of %lld.", 437 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 438 } 439 } 440 441 442 static void 443 ffs_dump_fsinfo(fsinfo_t *f) 444 { 445 446 ffs_opt_t *fs = f->fs_specific; 447 448 printf("fsopts at %p\n", f); 449 450 printf("\tsize %lld, inodes %lld, curinode %u\n", 451 (long long)f->size, (long long)f->inodes, f->curinode); 452 453 printf("\tminsize %lld, maxsize %lld\n", 454 (long long)f->minsize, (long long)f->maxsize); 455 printf("\tfree files %lld, freefile %% %d\n", 456 (long long)f->freefiles, f->freefilepc); 457 printf("\tfree blocks %lld, freeblock %% %d\n", 458 (long long)f->freeblocks, f->freeblockpc); 459 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 460 461 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 462 fs->bsize, fs->fsize, fs->cpg, fs->density); 463 printf("\tnsectors %d, rpm %d, minfree %d\n", 464 fs->nsectors, fs->rpm, fs->minfree); 465 printf("\tmaxcontig %d, maxbpg %d\n", 466 fs->maxcontig, fs->maxbpg); 467 printf("\toptimization %s\n", 468 fs->optimization == FS_OPTSPACE ? "space" : "time"); 469 } 470 471 472 static int 473 ffs_create_image(const char *image, fsinfo_t *fsopts) 474 { 475 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 476 struct statvfs sfs; 477 #endif 478 struct fs *fs; 479 char *buf; 480 int i, bufsize; 481 off_t bufrem; 482 time_t tstamp; 483 int oflags = O_RDWR | O_CREAT; 484 485 assert (image != NULL); 486 assert (fsopts != NULL); 487 488 /* create image */ 489 if (fsopts->offset == 0) 490 oflags |= O_TRUNC; 491 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 492 warn("Can't open `%s' for writing", image); 493 return (-1); 494 } 495 496 /* zero image */ 497 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 498 if (fstatvfs(fsopts->fd, &sfs) == -1) { 499 #endif 500 bufsize = 8192; 501 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 502 warn("can't fstatvfs `%s', using default %d byte chunk", 503 image, bufsize); 504 } else 505 bufsize = sfs.f_iosize; 506 #endif 507 bufrem = fsopts->size; 508 509 if (fsopts->sparse) { 510 if (ftruncate(fsopts->fd, bufrem) == -1) { 511 printf ("ERROR in truncate. Sparse option disabled\n"); 512 fsopts->sparse = 0; 513 } else { 514 bufrem = 0; /* File truncated at bufrem. Remaining is 0 */ 515 buf = NULL; 516 } 517 } 518 519 if (fsopts->offset != 0) 520 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 521 warn("can't seek"); 522 return -1; 523 } 524 525 if ((debug & DEBUG_FS_CREATE_IMAGE) && fsopts->sparse == 0) 526 printf( 527 "zero-ing image `%s', %lld sectors, using %d byte chunks\n", 528 image, (long long)bufrem, bufsize); 529 if (bufrem > 0) 530 buf = ecalloc(1, bufsize); 531 while (bufrem > 0) { 532 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 533 if (i == -1) { 534 warn("zeroing image, %lld bytes to go", 535 (long long)bufrem); 536 free(buf); 537 return (-1); 538 } 539 bufrem -= i; 540 } 541 if (buf) 542 free(buf); 543 544 /* make the file system */ 545 if (debug & DEBUG_FS_CREATE_IMAGE) 546 printf("calling mkfs(\"%s\", ...)\n", image); 547 548 if (stampst.st_ino) 549 tstamp = stampst.st_ctime; 550 else 551 tstamp = start_time.tv_sec; 552 553 srandom(tstamp); 554 555 fs = ffs_mkfs(image, fsopts, tstamp); 556 fsopts->superblock = (void *)fs; 557 if (debug & DEBUG_FS_CREATE_IMAGE) { 558 time_t t; 559 560 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 561 printf("mkfs returned %p; fs_time %s", 562 fsopts->superblock, ctime(&t)); 563 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 564 (long long)fs->fs_cstotal.cs_nbfree, 565 (long long)fs->fs_cstotal.cs_nffree, 566 (long long)fs->fs_cstotal.cs_nifree, 567 (long long)fs->fs_cstotal.cs_ndir); 568 } 569 570 if ((off_t)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO) < fsopts->inodes) { 571 warnx( 572 "Image file `%s' has %lld free inodes; %lld are required.", 573 image, 574 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 575 (long long)fsopts->inodes); 576 return (-1); 577 } 578 return (fsopts->fd); 579 } 580 581 582 static void 583 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 584 { 585 struct direct tmpdir; 586 fsnode * node; 587 int curdirsize, this; 588 ffs_opt_t *ffs_opts = fsopts->fs_specific; 589 590 /* node may be NULL (empty directory) */ 591 assert(fsopts != NULL); 592 assert(ffs_opts != NULL); 593 594 if (debug & DEBUG_FS_SIZE_DIR) 595 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 596 (long long)fsopts->size, (long long)fsopts->inodes); 597 598 #define ADDDIRENT(e) do { \ 599 /* no need to consider version == 0 case to calculate size */ \ 600 tmpdir.d_namlen = strlen((e)); \ 601 this = UFS_DIRSIZ(0, &tmpdir, 0); \ 602 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 603 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 604 e, tmpdir.d_namlen, this, curdirsize); \ 605 if (this + curdirsize > roundup(curdirsize, UFS_DIRBLKSIZ)) \ 606 curdirsize = roundup(curdirsize, UFS_DIRBLKSIZ); \ 607 curdirsize += this; \ 608 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 609 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 610 e, tmpdir.d_namlen, this, curdirsize); \ 611 } while (0); 612 613 /* 614 * XXX this needs to take into account extra space consumed 615 * by indirect blocks, etc. 616 */ 617 #define ADDSIZE(x) do { \ 618 fsopts->size += roundup((x), ffs_opts->fsize); \ 619 } while (0); 620 621 curdirsize = 0; 622 for (node = root; node != NULL; node = node->next) { 623 ADDDIRENT(node->name); 624 if (node == root) { /* we're at "." */ 625 assert(strcmp(node->name, ".") == 0); 626 ADDDIRENT(".."); 627 } else if ((node->inode->flags & FI_SIZED) == 0) { 628 /* don't count duplicate names */ 629 node->inode->flags |= FI_SIZED; 630 if (debug & DEBUG_FS_SIZE_DIR_NODE) 631 printf("ffs_size_dir: `%s' size %lld\n", 632 node->name, 633 (long long)node->inode->st.st_size); 634 fsopts->inodes++; 635 if (node->type == S_IFREG) 636 ADDSIZE(node->inode->st.st_size); 637 if (node->type == S_IFLNK) { 638 size_t slen; 639 640 slen = strlen(node->symlink) + 1; 641 if (ffs_opts->version == 0 || 642 slen >= (ffs_opts->version == 1 ? 643 UFS1_MAXSYMLINKLEN : 644 UFS2_MAXSYMLINKLEN)) 645 ADDSIZE(slen); 646 } 647 } 648 if (node->type == S_IFDIR) 649 ffs_size_dir(node->child, fsopts); 650 } 651 ADDSIZE(curdirsize); 652 653 if (debug & DEBUG_FS_SIZE_DIR) 654 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 655 (long long)fsopts->size, (long long)fsopts->inodes); 656 } 657 658 static void * 659 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 660 fsnode *root, fsinfo_t *fsopts) 661 { 662 size_t slen; 663 void *membuf; 664 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st; 665 ffs_opt_t *ffs_opts = fsopts->fs_specific; 666 667 memset(dinp, 0, sizeof(*dinp)); 668 dinp->di_mode = cur->inode->st.st_mode; 669 dinp->di_nlink = cur->inode->nlink; 670 dinp->di_size = cur->inode->st.st_size; 671 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 672 #if HAVE_STRUCT_STAT_ST_GEN 673 dinp->di_gen = cur->inode->st.st_gen; 674 #endif 675 dinp->di_uid = cur->inode->st.st_uid; 676 dinp->di_gid = cur->inode->st.st_gid; 677 678 dinp->di_atime = st->st_atime; 679 dinp->di_mtime = st->st_mtime; 680 dinp->di_ctime = st->st_ctime; 681 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 682 dinp->di_atimensec = st->st_atimensec; 683 dinp->di_mtimensec = st->st_mtimensec; 684 dinp->di_ctimensec = st->st_ctimensec; 685 #endif 686 /* not set: di_db, di_ib, di_blocks, di_spare */ 687 688 membuf = NULL; 689 if (cur == root) { /* "."; write dirbuf */ 690 membuf = dbufp->buf; 691 dinp->di_size = dbufp->size; 692 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 693 dinp->di_size = 0; /* a device */ 694 dinp->di_rdev = 695 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 696 } else if (S_ISLNK(cur->type)) { /* symlink */ 697 slen = strlen(cur->symlink); 698 if (ffs_opts->version == 1 && 699 slen < UFS1_MAXSYMLINKLEN) { /* short link */ 700 memcpy(dinp->di_db, cur->symlink, slen); 701 } else 702 membuf = cur->symlink; 703 dinp->di_size = slen; 704 } 705 return membuf; 706 } 707 708 static void * 709 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 710 fsnode *root, fsinfo_t *fsopts) 711 { 712 size_t slen; 713 void *membuf; 714 struct stat *st = stampst.st_ino ? &stampst : &cur->inode->st; 715 716 memset(dinp, 0, sizeof(*dinp)); 717 dinp->di_mode = cur->inode->st.st_mode; 718 dinp->di_nlink = cur->inode->nlink; 719 dinp->di_size = cur->inode->st.st_size; 720 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 721 #if HAVE_STRUCT_STAT_ST_GEN 722 dinp->di_gen = cur->inode->st.st_gen; 723 #endif 724 dinp->di_uid = cur->inode->st.st_uid; 725 dinp->di_gid = cur->inode->st.st_gid; 726 727 dinp->di_atime = st->st_atime; 728 dinp->di_mtime = st->st_mtime; 729 dinp->di_ctime = st->st_ctime; 730 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 731 dinp->di_atimensec = st->st_atimensec; 732 dinp->di_mtimensec = st->st_mtimensec; 733 dinp->di_ctimensec = st->st_ctimensec; 734 #endif 735 #if HAVE_STRUCT_STAT_BIRTHTIME 736 dinp->di_birthtime = st->st_birthtime; 737 dinp->di_birthnsec = st->st_birthtimensec; 738 #endif 739 /* not set: di_db, di_ib, di_blocks, di_spare */ 740 741 membuf = NULL; 742 if (cur == root) { /* "."; write dirbuf */ 743 membuf = dbufp->buf; 744 dinp->di_size = dbufp->size; 745 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 746 dinp->di_size = 0; /* a device */ 747 dinp->di_rdev = 748 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 749 } else if (S_ISLNK(cur->type)) { /* symlink */ 750 slen = strlen(cur->symlink); 751 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 752 memcpy(dinp->di_db, cur->symlink, slen); 753 } else 754 membuf = cur->symlink; 755 dinp->di_size = slen; 756 } 757 return membuf; 758 } 759 760 static int 761 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 762 { 763 fsnode *cur; 764 dirbuf_t dirbuf; 765 union dinode din; 766 void *membuf; 767 char path[MAXPATHLEN + 1]; 768 ffs_opt_t *ffs_opts = fsopts->fs_specific; 769 770 assert(dir != NULL); 771 assert(root != NULL); 772 assert(fsopts != NULL); 773 assert(ffs_opts != NULL); 774 775 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 776 777 if (debug & DEBUG_FS_POPULATE) 778 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 779 780 /* 781 * pass 1: allocate inode numbers, build directory `file' 782 */ 783 for (cur = root; cur != NULL; cur = cur->next) { 784 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 785 cur->inode->flags |= FI_ALLOCATED; 786 if (cur == root && cur->parent != NULL) 787 cur->inode->ino = cur->parent->inode->ino; 788 else { 789 cur->inode->ino = fsopts->curinode; 790 fsopts->curinode++; 791 } 792 } 793 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts); 794 if (cur == root) { /* we're at "."; add ".." */ 795 ffs_make_dirbuf(&dirbuf, "..", 796 cur->parent == NULL ? cur : cur->parent->first, 797 fsopts); 798 root->inode->nlink++; /* count my parent's link */ 799 } else if (cur->child != NULL) 800 root->inode->nlink++; /* count my child's link */ 801 802 /* 803 * XXX possibly write file and long symlinks here, 804 * ensuring that blocks get written before inodes? 805 * otoh, this isn't a real filesystem, so who 806 * cares about ordering? :-) 807 */ 808 } 809 if (debug & DEBUG_FS_POPULATE_DIRBUF) 810 ffs_dump_dirbuf(&dirbuf, dir, fsopts); 811 812 /* 813 * pass 2: write out dirbuf, then non-directories at this level 814 */ 815 if (debug & DEBUG_FS_POPULATE) 816 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 817 for (cur = root; cur != NULL; cur = cur->next) { 818 if (cur->inode->flags & FI_WRITTEN) 819 continue; /* skip hard-linked entries */ 820 cur->inode->flags |= FI_WRITTEN; 821 822 if ((size_t)snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 823 cur->path, cur->name) >= sizeof(path)) 824 errx(EXIT_FAILURE, "Pathname too long."); 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 %lld, %s", 839 (long long)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, path, fsopts); 849 } else { 850 assert (! S_ISDIR(cur->type)); 851 ffs_write_inode(&din, cur->inode->ino, fsopts); 852 } 853 } 854 855 /* 856 * pass 3: write out sub-directories 857 */ 858 if (debug & DEBUG_FS_POPULATE) 859 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 860 for (cur = root; cur != NULL; cur = cur->next) { 861 if (cur->child == NULL) 862 continue; 863 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 864 cur->name) >= sizeof(path)) 865 errx(EXIT_FAILURE, "Pathname too long."); 866 if (! ffs_populate_dir(path, cur->child, fsopts)) 867 return (0); 868 } 869 870 if (debug & DEBUG_FS_POPULATE) 871 printf("ffs_populate_dir: DONE dir %s\n", dir); 872 873 /* cleanup */ 874 if (dirbuf.buf != NULL) 875 free(dirbuf.buf); 876 return (1); 877 } 878 879 880 static void 881 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 882 { 883 int isfile, ffd; 884 char *fbuf, *p; 885 off_t bufleft, chunk, offset; 886 ssize_t nread; 887 struct inode in; 888 struct buf * bp; 889 ffs_opt_t *ffs_opts = fsopts->fs_specific; 890 struct vnode vp = { fsopts, NULL }; 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 in.i_devvp = &vp; 904 905 if (debug & DEBUG_FS_WRITE_FILE) { 906 printf( 907 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 908 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 909 (long long)DIP(din, size)); 910 if (isfile) 911 printf(", file '%s'\n", (char *)buf); 912 else 913 printf(", buffer %p\n", buf); 914 } 915 916 in.i_number = ino; 917 in.i_size = DIP(din, size); 918 if (ffs_opts->version <= 1) 919 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 920 sizeof(in.i_din.ffs1_din)); 921 else 922 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 923 sizeof(in.i_din.ffs2_din)); 924 925 if (DIP(din, size) == 0) 926 goto write_inode_and_leave; /* mmm, cheating */ 927 928 if (isfile) { 929 fbuf = emalloc(ffs_opts->bsize); 930 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 931 warn("Can't open `%s' for reading", (char *)buf); 932 goto leave_ffs_write_file; 933 } 934 } else { 935 p = buf; 936 } 937 938 chunk = 0; 939 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 940 chunk = MIN(bufleft, ffs_opts->bsize); 941 if (!isfile) 942 ; 943 else if ((nread = read(ffd, fbuf, chunk)) == -1) 944 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 945 (char *)buf, (long long)bufleft); 946 else if (nread != chunk) 947 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 948 "read %zd bytes, expected %ju bytes, does " 949 "metalog size= attribute mismatch source size?", 950 (char *)buf, (long long)bufleft, nread, 951 (uintmax_t)chunk); 952 else 953 p = fbuf; 954 offset = DIP(din, size) - bufleft; 955 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 956 printf( 957 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 958 p, (long long)offset, 959 (long long)chunk, (long long)bufleft); 960 /* 961 * XXX if holey support is desired, do the check here 962 * 963 * XXX might need to write out last bit in fragroundup 964 * sized chunk. however, ffs_balloc() handles this for us 965 */ 966 errno = ffs_balloc(&in, offset, chunk, &bp); 967 bad_ffs_write_file: 968 if (errno != 0) 969 err(EXIT_FAILURE, 970 "Writing inode %d (%s), bytes %lld + %lld", 971 ino, 972 isfile ? (char *)buf : 973 inode_type(DIP(din, mode) & S_IFMT), 974 (long long)offset, (long long)chunk); 975 memcpy(bp->b_data, p, chunk); 976 errno = bwrite(bp); 977 if (errno != 0) 978 goto bad_ffs_write_file; 979 if (!isfile) 980 p += chunk; 981 } 982 983 write_inode_and_leave: 984 ffs_write_inode(&in.i_din, in.i_number, fsopts); 985 986 leave_ffs_write_file: 987 if (fbuf) 988 free(fbuf); 989 if (ffd != -1) 990 close(ffd); 991 } 992 993 994 static void 995 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, const fsinfo_t *fsopts) 996 { 997 doff_t i; 998 struct direct *de; 999 struct odirect *ode; 1000 uint16_t reclen; 1001 const int needswap = fsopts->needswap; 1002 const ffs_opt_t *ffs_opts = fsopts->fs_specific; 1003 1004 assert (dbuf != NULL); 1005 assert (dir != NULL); 1006 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1007 dir, dbuf->size, dbuf->cur); 1008 1009 for (i = 0; i < dbuf->size; ) { 1010 de = (struct direct *)(dbuf->buf + i); 1011 ode = (struct odirect *)de; 1012 reclen = ufs_rw16(de->d_reclen, needswap); 1013 printf( 1014 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1015 ufs_rw32(de->d_fileno, needswap), 1016 ffs_opts->version == 0 ? 1017 "(no type)" : inode_type(DTTOIF(de->d_type)), 1018 i, reclen, 1019 ffs_opts->version == 0 ? 1020 ufs_rw16(ode->d_namlen, needswap) : de->d_namlen, 1021 de->d_name); 1022 i += reclen; 1023 assert(reclen > 0); 1024 } 1025 } 1026 1027 static void 1028 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, 1029 const fsinfo_t *fsopts) 1030 { 1031 struct direct de, *dp; 1032 struct odirect *odp; 1033 uint16_t llen, reclen; 1034 u_char *newbuf; 1035 const int needswap = fsopts->needswap; 1036 const ffs_opt_t *ffs_opts = fsopts->fs_specific; 1037 1038 assert (dbuf != NULL); 1039 assert (name != NULL); 1040 assert (node != NULL); 1041 /* create direct entry */ 1042 odp = (struct odirect *)&de; 1043 (void)memset(&de, 0, sizeof(de)); 1044 de.d_fileno = ufs_rw32(node->inode->ino, needswap); 1045 if (ffs_opts->version == 0) { 1046 odp->d_namlen = ufs_rw16((uint16_t)strlen(name), needswap); 1047 } else { 1048 de.d_type = IFTODT(node->type); 1049 de.d_namlen = (uint8_t)strlen(name); 1050 } 1051 strcpy(de.d_name, name); 1052 reclen = UFS_DIRSIZ(ffs_opts->version == 0, &de, needswap); 1053 de.d_reclen = ufs_rw16(reclen, needswap); 1054 1055 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1056 llen = 0; 1057 if (dp != NULL) 1058 llen = UFS_DIRSIZ(ffs_opts->version == 0, dp, needswap); 1059 1060 if (debug & DEBUG_FS_MAKE_DIRBUF) 1061 printf( 1062 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1063 " ino %d type %d reclen %d namlen %d name %.30s\n", 1064 dbuf->size, dbuf->cur, llen, 1065 ufs_rw32(de.d_fileno, needswap), 1066 ffs_opts->version == 0 ? 0 : de.d_type, 1067 reclen, 1068 ffs_opts->version == 0 ? 1069 ufs_rw16(odp->d_namlen, needswap) : de.d_namlen, 1070 de.d_name); 1071 1072 if (reclen + dbuf->cur + llen > roundup(dbuf->size, UFS_DIRBLKSIZ)) { 1073 if (debug & DEBUG_FS_MAKE_DIRBUF) 1074 printf("ffs_make_dirbuf: growing buf to %d\n", 1075 dbuf->size + UFS_DIRBLKSIZ); 1076 newbuf = erealloc(dbuf->buf, dbuf->size + UFS_DIRBLKSIZ); 1077 dbuf->buf = newbuf; 1078 dbuf->size += UFS_DIRBLKSIZ; 1079 memset(dbuf->buf + dbuf->size - UFS_DIRBLKSIZ, 0, UFS_DIRBLKSIZ); 1080 dbuf->cur = dbuf->size - UFS_DIRBLKSIZ; 1081 } else if (dp) { /* shrink end of previous */ 1082 dp->d_reclen = ufs_rw16(llen,needswap); 1083 dbuf->cur += llen; 1084 } 1085 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1086 memcpy(dp, &de, reclen); 1087 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1088 } 1089 1090 /* 1091 * cribbed from sys/ufs/ffs/ffs_alloc.c 1092 */ 1093 static void 1094 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1095 { 1096 char *buf; 1097 struct ufs1_dinode *dp1; 1098 struct ufs2_dinode *dp2, *dip; 1099 struct cg *cgp; 1100 struct fs *fs; 1101 uint32_t cg, cgino, i; 1102 daddr_t d; 1103 char sbbuf[FFS_MAXBSIZE]; 1104 uint32_t initediblk; 1105 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1106 1107 assert (dp != NULL); 1108 assert (ino > 0); 1109 assert (fsopts != NULL); 1110 assert (ffs_opts != NULL); 1111 1112 fs = (struct fs *)fsopts->superblock; 1113 cg = ino_to_cg(fs, ino); 1114 cgino = ino % fs->fs_ipg; 1115 if (debug & DEBUG_FS_WRITE_INODE) 1116 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1117 dp, ino, cg, cgino); 1118 1119 ffs_rdfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1120 fsopts); 1121 cgp = (struct cg *)sbbuf; 1122 if (!cg_chkmagic(cgp, fsopts->needswap)) 1123 errx(EXIT_FAILURE, 1124 "ffs_write_inode: cg %d: bad magic number", cg); 1125 1126 assert (isclr(cg_inosused(cgp, fsopts->needswap), cgino)); 1127 1128 buf = emalloc(fs->fs_bsize); 1129 dp1 = (struct ufs1_dinode *)buf; 1130 dp2 = (struct ufs2_dinode *)buf; 1131 1132 if (fs->fs_cstotal.cs_nifree == 0) 1133 errx(EXIT_FAILURE, 1134 "ffs_write_inode: fs out of inodes for ino %u", ino); 1135 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1136 errx(EXIT_FAILURE, 1137 "ffs_write_inode: cg %d out of inodes for ino %u", 1138 cg, ino); 1139 setbit(cg_inosused(cgp, fsopts->needswap), cgino); 1140 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1141 fs->fs_cstotal.cs_nifree--; 1142 fs->fs_cs(fs, cg).cs_nifree--; 1143 if (S_ISDIR(DIP(dp, mode))) { 1144 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1145 fs->fs_cstotal.cs_ndir++; 1146 fs->fs_cs(fs, cg).cs_ndir++; 1147 } 1148 1149 /* 1150 * Initialize inode blocks on the fly for UFS2. 1151 */ 1152 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1153 while (ffs_opts->version == 2 && 1154 (uint32_t)(cgino + FFS_INOPB(fs)) > initediblk && 1155 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1156 memset(buf, 0, fs->fs_bsize); 1157 dip = (struct ufs2_dinode *)buf; 1158 for (i = 0; i < FFS_INOPB(fs); i++) { 1159 dip->di_gen = random() / 2 + 1; 1160 dip++; 1161 } 1162 ffs_wtfs(FFS_FSBTODB(fs, ino_to_fsba(fs, 1163 cg * fs->fs_ipg + initediblk)), 1164 fs->fs_bsize, buf, fsopts); 1165 initediblk += FFS_INOPB(fs); 1166 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1167 } 1168 1169 1170 ffs_wtfs(FFS_FSBTODB(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1171 fsopts); 1172 1173 /* now write inode */ 1174 d = FFS_FSBTODB(fs, ino_to_fsba(fs, ino)); 1175 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1176 if (fsopts->needswap) { 1177 if (ffs_opts->version <= 1) 1178 ffs_dinode1_swap(&dp->ffs1_din, 1179 &dp1[ino_to_fsbo(fs, ino)]); 1180 else 1181 ffs_dinode2_swap(&dp->ffs2_din, 1182 &dp2[ino_to_fsbo(fs, ino)]); 1183 } else { 1184 if (ffs_opts->version <= 1) 1185 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1186 else 1187 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1188 } 1189 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1190 free(buf); 1191 } 1192 1193 void 1194 panic(const char *fmt, ...) 1195 { 1196 va_list ap; 1197 1198 va_start(ap, fmt); 1199 vwarnx(fmt, ap); 1200 va_end(ap); 1201 exit(EXIT_FAILURE); 1202 } 1203
Indexes created Sun Oct 25 00:26:45 UTC 2026