1 /* $NetBSD: ffs.c,v 1.45 2011/10/09 22:49:26 christos Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 2001 Wasabi Systems, Inc. 7 * All rights reserved. 8 * 9 * Written by Luke Mewburn for Wasabi Systems, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the NetBSD Project by 22 * Wasabi Systems, Inc. 23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 24 * or promote products derived from this software without specific prior 25 * written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 /* 40 * Copyright (c) 1982, 1986, 1989, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 */ 67 68 #include <sys/cdefs.h> 69 #if HAVE_NBTOOL_CONFIG_H 70 #include "nbtool_config.h" 71 #endif 72 73 #include <sys/param.h> 74 75 #include <sys/mount.h> 76 77 #include <assert.h> 78 #include <errno.h> 79 #include <fcntl.h> 80 #include <stdarg.h> 81 #include <stdint.h> 82 #include <stdio.h> 83 #include <stdlib.h> 84 #include <string.h> 85 #include <time.h> 86 #include <unistd.h> 87 #include <util.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 #include "ffs/ufs_bswap.h" 98 #include "ffs/ufs_inode.h" 99 #include "ffs/newfs_extern.h" 100 #include "ffs/ffs_extern.h" 101 102 #undef clrbuf 103 #include "makefs.h" 104 #include "ffs.h" 105 106 #undef DIP 107 #define DIP(dp, field) \ 108 ((ffs_opts->version == 1) ? \ 109 (dp)->dp1.di_##field : (dp)->dp2.di_##field) 110 111 /* 112 * Various file system defaults (cribbed from newfs(8)). 113 */ 114 #define DFL_FRAGSIZE 4096 /* fragment size */ 115 #define DFL_BLKSIZE 32768 /* block size */ 116 #define DFL_SECSIZE 512 /* sector size */ 117 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 118 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 119 #define DFL_ROTDELAY 0 /* rotational delay */ 120 #define DFL_NRPOS 1 /* rotational positions */ 121 #define DFL_RPM 3600 /* rpm of disk */ 122 #define DFL_NSECTORS 64 /* # of sectors */ 123 #define DFL_NTRACKS 16 /* # of tracks */ 124 125 126 typedef struct { 127 u_char *buf; /* buf for directory */ 128 doff_t size; /* full size of buf */ 129 doff_t cur; /* offset of current entry */ 130 } dirbuf_t; 131 132 133 static int ffs_create_image(const char *, fsinfo_t *); 134 static void ffs_dump_fsinfo(fsinfo_t *); 135 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 136 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 137 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 138 static void ffs_size_dir(fsnode *, fsinfo_t *); 139 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 140 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 141 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 142 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 143 fsnode *, fsinfo_t *); 144 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 145 fsnode *, fsinfo_t *); 146 147 148 /* publicly visible functions */ 149 150 void 151 ffs_prep_opts(fsinfo_t *fsopts) 152 { 153 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 154 155 const option_t ffs_options[] = { 156 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 157 1, INT_MAX, "block size" }, 158 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 159 1, INT_MAX, "fragment size" }, 160 { 'd', "density", &ffs_opts->density, OPT_INT32, 161 1, INT_MAX, "bytes per inode" }, 162 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 163 0, 99, "minfree" }, 164 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 165 1, INT_MAX, "max blocks per file in a cg" }, 166 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 167 1, INT_MAX, "expected average file size" }, 168 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 169 1, INT_MAX, "expected # of files per directory" }, 170 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 171 1, INT_MAX, "maximum # extent size" }, 172 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 173 1, INT_MAX, "max # of blocks per group" }, 174 { 'v', "version", &ffs_opts->version, OPT_INT32, 175 1, 2, "UFS version" }, 176 { 'o', "optimization", NULL, OPT_STRBUF, 177 0, 0, "Optimization (time|space)" }, 178 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 179 1, sizeof(ffs_opts->label), "UFS label" }, 180 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 181 0, 1, "enable softupdates" }, 182 { .name = NULL } 183 }; 184 185 ffs_opts->bsize= -1; 186 ffs_opts->fsize= -1; 187 ffs_opts->cpg= -1; 188 ffs_opts->density= -1; 189 ffs_opts->min_inodes= false; 190 ffs_opts->minfree= -1; 191 ffs_opts->optimization= -1; 192 ffs_opts->maxcontig= -1; 193 ffs_opts->maxbpg= -1; 194 ffs_opts->avgfilesize= -1; 195 ffs_opts->avgfpdir= -1; 196 ffs_opts->version = 1; 197 ffs_opts->softupdates = 0; 198 199 fsopts->fs_specific = ffs_opts; 200 fsopts->fs_options = copy_opts(ffs_options); 201 } 202 203 void 204 ffs_cleanup_opts(fsinfo_t *fsopts) 205 { 206 free(fsopts->fs_specific); 207 free(fsopts->fs_options); 208 } 209 210 int 211 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 212 { 213 ffs_opt_t *ffs_opts = fsopts->fs_specific; 214 option_t *ffs_options = fsopts->fs_options; 215 char buf[1024]; 216 217 int rv; 218 219 assert(option != NULL); 220 assert(fsopts != NULL); 221 assert(ffs_opts != NULL); 222 223 if (debug & DEBUG_FS_PARSE_OPTS) 224 printf("ffs_parse_opts: got `%s'\n", option); 225 226 rv = set_option(ffs_options, option, buf, sizeof(buf)); 227 if (rv == -1) 228 return 0; 229 230 if (ffs_options[rv].name == NULL) 231 abort(); 232 233 switch (ffs_options[rv].letter) { 234 case 'o': 235 if (strcmp(buf, "time") == 0) { 236 ffs_opts->optimization = FS_OPTTIME; 237 } else if (strcmp(buf, "space") == 0) { 238 ffs_opts->optimization = FS_OPTSPACE; 239 } else { 240 warnx("Invalid optimization `%s'", buf); 241 return 0; 242 } 243 break; 244 default: 245 break; 246 } 247 return 1; 248 } 249 250 251 void 252 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 253 { 254 struct fs *superblock; 255 struct timeval start; 256 257 assert(image != NULL); 258 assert(dir != NULL); 259 assert(root != NULL); 260 assert(fsopts != NULL); 261 262 if (debug & DEBUG_FS_MAKEFS) 263 printf("ffs_makefs: image %s directory %s root %p\n", 264 image, dir, root); 265 266 /* if user wants no free space, use minimum number of inodes */ 267 if (fsopts->minsize == 0 && fsopts->freeblockpc == 0 && 268 fsopts->freeblocks == 0) 269 ((ffs_opt_t *)fsopts->fs_specific)->min_inodes = true; 270 271 /* validate tree and options */ 272 TIMER_START(start); 273 ffs_validate(dir, root, fsopts); 274 TIMER_RESULTS(start, "ffs_validate"); 275 276 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 277 image, (long long)fsopts->size, (long long)fsopts->inodes); 278 279 /* create image */ 280 TIMER_START(start); 281 if (ffs_create_image(image, fsopts) == -1) 282 errx(1, "Image file `%s' not created.", image); 283 TIMER_RESULTS(start, "ffs_create_image"); 284 285 fsopts->curinode = UFS_ROOTINO; 286 287 if (debug & DEBUG_FS_MAKEFS) 288 putchar('\n'); 289 290 /* populate image */ 291 printf("Populating `%s'\n", image); 292 TIMER_START(start); 293 if (! ffs_populate_dir(dir, root, fsopts)) 294 errx(1, "Image file `%s' not populated.", image); 295 TIMER_RESULTS(start, "ffs_populate_dir"); 296 297 /* ensure no outstanding buffers remain */ 298 if (debug & DEBUG_FS_MAKEFS) 299 bcleanup(); 300 301 /* update various superblock parameters */ 302 superblock = fsopts->superblock; 303 superblock->fs_fmod = 0; 304 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 305 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 306 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 307 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 308 309 /* write out superblock; image is now complete */ 310 ffs_write_superblock(fsopts->superblock, fsopts); 311 if (close(fsopts->fd) == -1) 312 err(1, "Closing `%s'", image); 313 fsopts->fd = -1; 314 printf("Image `%s' complete\n", image); 315 } 316 317 /* end of public functions */ 318 319 320 static void 321 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 322 { 323 #ifdef notyet 324 int32_t spc, nspf, ncyl, fssize; 325 #endif 326 ffs_opt_t *ffs_opts = fsopts->fs_specific; 327 328 assert(dir != NULL); 329 assert(root != NULL); 330 assert(fsopts != NULL); 331 assert(ffs_opts != NULL); 332 333 if (debug & DEBUG_FS_VALIDATE) { 334 printf("ffs_validate: before defaults set:\n"); 335 ffs_dump_fsinfo(fsopts); 336 } 337 338 /* set FFS defaults */ 339 if (fsopts->sectorsize == -1) 340 fsopts->sectorsize = DFL_SECSIZE; 341 if (fsopts->sectorsize != DFL_SECSIZE) 342 warnx("sectorsize %d may produce nonfunctional image", 343 fsopts->sectorsize); 344 if (ffs_opts->fsize == -1) 345 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 346 if (ffs_opts->bsize == -1) 347 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 348 if (ffs_opts->cpg == -1) 349 ffs_opts->cpg = DFL_CYLSPERGROUP; 350 else 351 ffs_opts->cpgflg = 1; 352 /* fsopts->density is set below */ 353 if (ffs_opts->nsectors == -1) 354 ffs_opts->nsectors = DFL_NSECTORS; 355 if (ffs_opts->minfree == -1) 356 ffs_opts->minfree = MINFREE; 357 if (ffs_opts->optimization == -1) 358 ffs_opts->optimization = DEFAULTOPT; 359 if (ffs_opts->maxcontig == -1) 360 ffs_opts->maxcontig = 361 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 362 /* XXX ondisk32 */ 363 if (ffs_opts->maxbpg == -1) 364 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 365 if (ffs_opts->avgfilesize == -1) 366 ffs_opts->avgfilesize = AVFILESIZ; 367 if (ffs_opts->avgfpdir == -1) 368 ffs_opts->avgfpdir = AFPDIR; 369 370 if (fsopts->maxsize > 0 && 371 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 372 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 373 "exceeds maxsize %lld. Lower bsize, or round the minimum " 374 "and maximum sizes to bsize.", dir, 375 (long long)fsopts->minsize, ffs_opts->bsize, 376 (long long)fsopts->maxsize); 377 378 /* calculate size of tree */ 379 ffs_size_dir(root, fsopts); 380 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 381 382 if (debug & DEBUG_FS_VALIDATE) 383 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 384 (long long)fsopts->size, (long long)fsopts->inodes); 385 386 /* add requested slop */ 387 fsopts->size += fsopts->freeblocks; 388 fsopts->inodes += fsopts->freefiles; 389 if (fsopts->freefilepc > 0) 390 fsopts->inodes = 391 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 392 if (fsopts->freeblockpc > 0) 393 fsopts->size = 394 fsopts->size * (100 + fsopts->freeblockpc) / 100; 395 396 /* 397 * Add space needed for superblock, cylblock and to store inodes. 398 * All of those segments are aligned to the block size. 399 * XXX: This has to match calculations done in ffs_mkfs. 400 */ 401 if (ffs_opts->version == 1) { 402 fsopts->size += 403 roundup(SBLOCK_UFS1 + SBLOCKSIZE, ffs_opts->bsize); 404 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 405 fsopts->size += ffs_opts->bsize; 406 fsopts->size += DINODE1_SIZE * 407 roundup(fsopts->inodes, ffs_opts->bsize / DINODE1_SIZE); 408 } else { 409 fsopts->size += 410 roundup(SBLOCK_UFS2 + SBLOCKSIZE, ffs_opts->bsize); 411 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 412 fsopts->size += ffs_opts->bsize; 413 fsopts->size += DINODE2_SIZE * 414 roundup(fsopts->inodes, ffs_opts->bsize / DINODE2_SIZE); 415 } 416 417 /* add minfree */ 418 if (ffs_opts->minfree > 0) 419 fsopts->size = 420 fsopts->size * (100 + ffs_opts->minfree) / 100; 421 /* 422 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 423 */ 424 425 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 426 fsopts->size = fsopts->minsize; 427 428 /* round up to the next block */ 429 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 430 431 /* round up to requested block size, if any */ 432 if (fsopts->roundup > 0) 433 fsopts->size = roundup(fsopts->size, fsopts->roundup); 434 435 /* calculate density to just fit inodes if no free space */ 436 if (ffs_opts->density == -1) 437 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 438 439 if (debug & DEBUG_FS_VALIDATE) { 440 printf("ffs_validate: after defaults set:\n"); 441 ffs_dump_fsinfo(fsopts); 442 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 443 dir, (long long)fsopts->size, (long long)fsopts->inodes); 444 } 445 /* now check calculated sizes vs requested sizes */ 446 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 447 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 448 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 449 } 450 } 451 452 453 static void 454 ffs_dump_fsinfo(fsinfo_t *f) 455 { 456 457 ffs_opt_t *fs = f->fs_specific; 458 459 printf("fsopts at %p\n", f); 460 461 printf("\tsize %lld, inodes %lld, curinode %u\n", 462 (long long)f->size, (long long)f->inodes, f->curinode); 463 464 printf("\tminsize %lld, maxsize %lld\n", 465 (long long)f->minsize, (long long)f->maxsize); 466 printf("\tfree files %lld, freefile %% %d\n", 467 (long long)f->freefiles, f->freefilepc); 468 printf("\tfree blocks %lld, freeblock %% %d\n", 469 (long long)f->freeblocks, f->freeblockpc); 470 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 471 472 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 473 fs->bsize, fs->fsize, fs->cpg, fs->density); 474 printf("\tnsectors %d, rpm %d, minfree %d\n", 475 fs->nsectors, fs->rpm, fs->minfree); 476 printf("\tmaxcontig %d, maxbpg %d\n", 477 fs->maxcontig, fs->maxbpg); 478 printf("\toptimization %s\n", 479 fs->optimization == FS_OPTSPACE ? "space" : "time"); 480 } 481 482 483 static int 484 ffs_create_image(const char *image, fsinfo_t *fsopts) 485 { 486 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 487 struct statvfs sfs; 488 #endif 489 struct fs *fs; 490 char *buf; 491 int i, bufsize; 492 off_t bufrem; 493 int oflags = O_RDWR | O_CREAT; 494 time_t tstamp; 495 496 assert (image != NULL); 497 assert (fsopts != NULL); 498 499 /* create image */ 500 if (fsopts->offset == 0) 501 oflags |= O_TRUNC; 502 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 503 warn("Can't open `%s' for writing", image); 504 return (-1); 505 } 506 507 /* zero image */ 508 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 509 if (fstatvfs(fsopts->fd, &sfs) == -1) { 510 #endif 511 bufsize = 8192; 512 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 513 warn("can't fstatvfs `%s', using default %d byte chunk", 514 image, bufsize); 515 } else 516 bufsize = sfs.f_iosize; 517 #endif 518 bufrem = fsopts->size; 519 if (fsopts->sparse) { 520 if (ftruncate(fsopts->fd, bufrem) == -1) { 521 warn("sparse option disabled."); 522 fsopts->sparse = 0; 523 } 524 } 525 if (fsopts->sparse) { 526 /* File truncated at bufrem. Remaining is 0 */ 527 bufrem = 0; 528 buf = NULL; 529 } else { 530 if (debug & DEBUG_FS_CREATE_IMAGE) 531 printf("zero-ing image `%s', %lld sectors, " 532 "using %d byte chunks\n", image, (long long)bufrem, 533 bufsize); 534 buf = ecalloc(1, bufsize); 535 } 536 537 if (fsopts->offset != 0) 538 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 539 warn("can't seek"); 540 free(buf); 541 return -1; 542 } 543 544 while (bufrem > 0) { 545 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 546 if (i == -1) { 547 warn("zeroing image, %lld bytes to go", 548 (long long)bufrem); 549 free(buf); 550 return (-1); 551 } 552 bufrem -= i; 553 } 554 if (buf) 555 free(buf); 556 557 /* make the file system */ 558 if (debug & DEBUG_FS_CREATE_IMAGE) 559 printf("calling mkfs(\"%s\", ...)\n", image); 560 561 if (stampst.st_ino != 0) 562 tstamp = stampst.st_ctime; 563 else 564 tstamp = start_time.tv_sec; 565 566 srandom(tstamp); 567 568 fs = ffs_mkfs(image, fsopts, tstamp); 569 fsopts->superblock = (void *)fs; 570 if (debug & DEBUG_FS_CREATE_IMAGE) { 571 time_t t; 572 573 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 574 printf("mkfs returned %p; fs_time %s", 575 fsopts->superblock, ctime(&t)); 576 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 577 (long long)fs->fs_cstotal.cs_nbfree, 578 (long long)fs->fs_cstotal.cs_nffree, 579 (long long)fs->fs_cstotal.cs_nifree, 580 (long long)fs->fs_cstotal.cs_ndir); 581 } 582 583 if (fs->fs_cstotal.cs_nifree + (off_t)UFS_ROOTINO < fsopts->inodes) { 584 warnx( 585 "Image file `%s' has %lld free inodes; %lld are required.", 586 image, 587 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 588 (long long)fsopts->inodes); 589 return (-1); 590 } 591 return (fsopts->fd); 592 } 593 594 595 static void 596 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 597 { 598 struct direct tmpdir; 599 fsnode * node; 600 int curdirsize, this; 601 ffs_opt_t *ffs_opts = fsopts->fs_specific; 602 603 /* node may be NULL (empty directory) */ 604 assert(fsopts != NULL); 605 assert(ffs_opts != NULL); 606 607 if (debug & DEBUG_FS_SIZE_DIR) 608 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 609 (long long)fsopts->size, (long long)fsopts->inodes); 610 611 #define ADDDIRENT(e) do { \ 612 tmpdir.d_namlen = strlen((e)); \ 613 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 614 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 615 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 616 e, tmpdir.d_namlen, this, curdirsize); \ 617 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 618 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 619 curdirsize += this; \ 620 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 621 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 622 e, tmpdir.d_namlen, this, curdirsize); \ 623 } while (0); 624 625 #define ADDSIZE(x) do { \ 626 if ((size_t)(x) < UFS_NDADDR * (size_t)ffs_opts->bsize) { \ 627 fsopts->size += roundup((x), ffs_opts->fsize); \ 628 } else { \ 629 /* Count space consumed by indirecttion blocks. */ \ 630 fsopts->size += ffs_opts->bsize * \ 631 (howmany((x), UFS_NDADDR * ffs_opts->bsize) - 1); \ 632 /* \ 633 * If the file is big enough to use indirect blocks, \ 634 * we allocate bsize block for trailing data. \ 635 */ \ 636 fsopts->size += roundup((x), ffs_opts->bsize); \ 637 } \ 638 } while (0); 639 640 curdirsize = 0; 641 for (node = root; node != NULL; node = node->next) { 642 ADDDIRENT(node->name); 643 if (node == root) { /* we're at "." */ 644 assert(strcmp(node->name, ".") == 0); 645 ADDDIRENT(".."); 646 } else if ((node->inode->flags & FI_SIZED) == 0) { 647 /* don't count duplicate names */ 648 node->inode->flags |= FI_SIZED; 649 if (debug & DEBUG_FS_SIZE_DIR_NODE) 650 printf("ffs_size_dir: `%s' size %lld\n", 651 node->name, 652 (long long)node->inode->st.st_size); 653 fsopts->inodes++; 654 if (node->type == S_IFREG) 655 ADDSIZE(node->inode->st.st_size); 656 if (node->type == S_IFLNK) { 657 size_t slen; 658 659 slen = strlen(node->symlink) + 1; 660 if (slen >= (ffs_opts->version == 1 ? 661 UFS1_MAXSYMLINKLEN : 662 UFS2_MAXSYMLINKLEN)) 663 ADDSIZE(slen); 664 } 665 } 666 if (node->type == S_IFDIR) 667 ffs_size_dir(node->child, fsopts); 668 } 669 ADDSIZE(curdirsize); 670 671 if (debug & DEBUG_FS_SIZE_DIR) 672 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 673 (long long)fsopts->size, (long long)fsopts->inodes); 674 } 675 676 static void * 677 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 678 fsnode *root, fsinfo_t *fsopts) 679 { 680 size_t slen; 681 void *membuf; 682 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 683 684 memset(dinp, 0, sizeof(*dinp)); 685 dinp->di_mode = cur->inode->st.st_mode; 686 dinp->di_nlink = cur->inode->nlink; 687 dinp->di_size = cur->inode->st.st_size; 688 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 689 dinp->di_gen = random(); 690 dinp->di_uid = cur->inode->st.st_uid; 691 dinp->di_gid = cur->inode->st.st_gid; 692 693 dinp->di_atime = st->st_atime; 694 dinp->di_mtime = st->st_mtime; 695 dinp->di_ctime = st->st_ctime; 696 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 697 dinp->di_atimensec = st->st_atimensec; 698 dinp->di_mtimensec = st->st_mtimensec; 699 dinp->di_ctimensec = st->st_ctimensec; 700 #endif 701 /* not set: di_db, di_ib, di_blocks, di_spare */ 702 703 membuf = NULL; 704 if (cur == root) { /* "."; write dirbuf */ 705 membuf = dbufp->buf; 706 dinp->di_size = dbufp->size; 707 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 708 dinp->di_size = 0; /* a device */ 709 dinp->di_rdev = 710 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 711 } else if (S_ISLNK(cur->type)) { /* symlink */ 712 slen = strlen(cur->symlink); 713 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 714 memcpy(dinp->di_shortlink, cur->symlink, slen); 715 } else 716 membuf = cur->symlink; 717 dinp->di_size = slen; 718 } 719 return membuf; 720 } 721 722 static void * 723 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 724 fsnode *root, fsinfo_t *fsopts) 725 { 726 size_t slen; 727 void *membuf; 728 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 729 730 memset(dinp, 0, sizeof(*dinp)); 731 dinp->di_mode = cur->inode->st.st_mode; 732 dinp->di_nlink = cur->inode->nlink; 733 dinp->di_size = cur->inode->st.st_size; 734 dinp->di_flags = FSINODE_ST_FLAGS(*cur->inode); 735 dinp->di_gen = random(); 736 dinp->di_uid = cur->inode->st.st_uid; 737 dinp->di_gid = cur->inode->st.st_gid; 738 739 dinp->di_atime = st->st_atime; 740 dinp->di_mtime = st->st_mtime; 741 dinp->di_ctime = st->st_ctime; 742 #if HAVE_STRUCT_STAT_BIRTHTIME 743 dinp->di_birthtime = st->st_birthtime; 744 #else 745 dinp->di_birthtime = st->st_ctime; 746 #endif 747 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 748 dinp->di_atimensec = st->st_atimensec; 749 dinp->di_mtimensec = st->st_mtimensec; 750 dinp->di_ctimensec = st->st_ctimensec; 751 #if HAVE_STRUCT_STAT_BIRTHTIME 752 dinp->di_birthnsec = st->st_birthtimensec; 753 #else 754 dinp->di_birthnsec = st->st_ctimensec; 755 #endif 756 #endif 757 758 /* not set: di_db, di_ib, di_blocks, di_spare */ 759 760 membuf = NULL; 761 if (cur == root) { /* "."; write dirbuf */ 762 membuf = dbufp->buf; 763 dinp->di_size = dbufp->size; 764 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 765 dinp->di_size = 0; /* a device */ 766 dinp->di_rdev = 767 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 768 } else if (S_ISLNK(cur->type)) { /* symlink */ 769 slen = strlen(cur->symlink); 770 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 771 memcpy(dinp->di_shortlink, cur->symlink, slen); 772 } else 773 membuf = cur->symlink; 774 dinp->di_size = slen; 775 } 776 return membuf; 777 } 778 779 static int 780 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 781 { 782 fsnode *cur; 783 dirbuf_t dirbuf; 784 union dinode din; 785 void *membuf; 786 char path[MAXPATHLEN + 1]; 787 ffs_opt_t *ffs_opts = fsopts->fs_specific; 788 789 assert(dir != NULL); 790 assert(root != NULL); 791 assert(fsopts != NULL); 792 assert(ffs_opts != NULL); 793 794 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 795 796 if (debug & DEBUG_FS_POPULATE) 797 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 798 799 /* 800 * pass 1: allocate inode numbers, build directory `file' 801 */ 802 for (cur = root; cur != NULL; cur = cur->next) { 803 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 804 cur->inode->flags |= FI_ALLOCATED; 805 if (cur == root && cur->parent != NULL) 806 cur->inode->ino = cur->parent->inode->ino; 807 else { 808 cur->inode->ino = fsopts->curinode; 809 fsopts->curinode++; 810 } 811 } 812 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 813 if (cur == root) { /* we're at "."; add ".." */ 814 ffs_make_dirbuf(&dirbuf, "..", 815 cur->parent == NULL ? cur : cur->parent->first, 816 fsopts->needswap); 817 root->inode->nlink++; /* count my parent's link */ 818 } else if (cur->child != NULL) 819 root->inode->nlink++; /* count my child's link */ 820 821 /* 822 * XXX possibly write file and long symlinks here, 823 * ensuring that blocks get written before inodes? 824 * otoh, this isn't a real filesystem, so who 825 * cares about ordering? :-) 826 */ 827 } 828 if (debug & DEBUG_FS_POPULATE_DIRBUF) 829 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 830 831 /* 832 * pass 2: write out dirbuf, then non-directories at this level 833 */ 834 if (debug & DEBUG_FS_POPULATE) 835 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 836 for (cur = root; cur != NULL; cur = cur->next) { 837 if (cur->inode->flags & FI_WRITTEN) 838 continue; /* skip hard-linked entries */ 839 cur->inode->flags |= FI_WRITTEN; 840 841 if (cur->contents == NULL) { 842 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 843 cur->path, cur->name) >= (int)sizeof(path)) 844 errx(1, "Pathname too long."); 845 } 846 847 if (cur->child != NULL) 848 continue; /* child creates own inode */ 849 850 /* build on-disk inode */ 851 if (ffs_opts->version == 1) 852 membuf = ffs_build_dinode1(&din.dp1, &dirbuf, cur, 853 root, fsopts); 854 else 855 membuf = ffs_build_dinode2(&din.dp2, &dirbuf, cur, 856 root, fsopts); 857 858 if (debug & DEBUG_FS_POPULATE_NODE) { 859 printf("ffs_populate_dir: writing ino %d, %s", 860 cur->inode->ino, inode_type(cur->type)); 861 if (cur->inode->nlink > 1) 862 printf(", nlink %d", cur->inode->nlink); 863 putchar('\n'); 864 } 865 866 if (membuf != NULL) { 867 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 868 } else if (S_ISREG(cur->type)) { 869 ffs_write_file(&din, cur->inode->ino, 870 (cur->contents) ? cur->contents : path, fsopts); 871 } else { 872 assert (! S_ISDIR(cur->type)); 873 ffs_write_inode(&din, cur->inode->ino, fsopts); 874 } 875 } 876 877 /* 878 * pass 3: write out sub-directories 879 */ 880 if (debug & DEBUG_FS_POPULATE) 881 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 882 for (cur = root; cur != NULL; cur = cur->next) { 883 if (cur->child == NULL) 884 continue; 885 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 886 cur->name) >= sizeof(path)) 887 errx(1, "Pathname too long."); 888 if (! ffs_populate_dir(path, cur->child, fsopts)) 889 return (0); 890 } 891 892 if (debug & DEBUG_FS_POPULATE) 893 printf("ffs_populate_dir: DONE dir %s\n", dir); 894 895 /* cleanup */ 896 if (dirbuf.buf != NULL) 897 free(dirbuf.buf); 898 return (1); 899 } 900 901 902 static void 903 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 904 { 905 int isfile, ffd; 906 char *fbuf, *p; 907 off_t bufleft, chunk, offset; 908 ssize_t nread; 909 struct inode in; 910 struct m_buf * bp; 911 ffs_opt_t *ffs_opts = fsopts->fs_specific; 912 struct m_vnode vp = { fsopts, NULL }; 913 914 assert (din != NULL); 915 assert (buf != NULL); 916 assert (fsopts != NULL); 917 assert (ffs_opts != NULL); 918 919 isfile = S_ISREG(DIP(din, mode)); 920 fbuf = NULL; 921 ffd = -1; 922 p = NULL; 923 924 in.i_fs = (struct fs *)fsopts->superblock; 925 in.i_devvp = (void *)&vp; 926 927 if (debug & DEBUG_FS_WRITE_FILE) { 928 printf( 929 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 930 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 931 (long long)DIP(din, size)); 932 if (isfile) 933 printf(", file '%s'\n", (char *)buf); 934 else 935 printf(", buffer %p\n", buf); 936 } 937 938 in.i_number = ino; 939 in.i_size = DIP(din, size); 940 if (ffs_opts->version == 1) 941 memcpy(&in.i_din.dp1, &din->dp1, 942 sizeof(in.i_din.dp1)); 943 else 944 memcpy(&in.i_din.dp2, &din->dp2, 945 sizeof(in.i_din.dp2)); 946 947 if (DIP(din, size) == 0) 948 goto write_inode_and_leave; /* mmm, cheating */ 949 950 if (isfile) { 951 fbuf = emalloc(ffs_opts->bsize); 952 if ((ffd = open((char *)buf, O_RDONLY)) == -1) { 953 err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf); 954 } 955 } else { 956 p = buf; 957 } 958 959 chunk = 0; 960 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 961 chunk = MIN(bufleft, ffs_opts->bsize); 962 if (!isfile) 963 ; 964 else if ((nread = read(ffd, fbuf, chunk)) == -1) 965 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 966 (char *)buf, (long long)bufleft); 967 else if (nread != chunk) 968 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 969 "read %zd bytes, expected %ju bytes, does " 970 "metalog size= attribute mismatch source size?", 971 (char *)buf, (long long)bufleft, nread, 972 (uintmax_t)chunk); 973 else 974 p = fbuf; 975 offset = DIP(din, size) - bufleft; 976 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 977 printf( 978 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 979 p, (long long)offset, 980 (long long)chunk, (long long)bufleft); 981 /* 982 * XXX if holey support is desired, do the check here 983 * 984 * XXX might need to write out last bit in fragroundup 985 * sized chunk. however, ffs_balloc() handles this for us 986 */ 987 errno = ffs_balloc(&in, offset, chunk, &bp); 988 bad_ffs_write_file: 989 if (errno != 0) 990 err(1, 991 "Writing inode %d (%s), bytes %lld + %lld", 992 ino, 993 isfile ? (char *)buf : 994 inode_type(DIP(din, mode) & S_IFMT), 995 (long long)offset, (long long)chunk); 996 memcpy(bp->b_data, p, chunk); 997 errno = bwrite(bp); 998 if (errno != 0) 999 goto bad_ffs_write_file; 1000 if (!isfile) 1001 p += chunk; 1002 } 1003 1004 write_inode_and_leave: 1005 ffs_write_inode(&in.i_din, in.i_number, fsopts); 1006 if (fbuf) 1007 free(fbuf); 1008 if (ffd != -1) 1009 close(ffd); 1010 } 1011 1012 1013 static void 1014 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 1015 { 1016 doff_t i; 1017 struct direct *de; 1018 uint16_t reclen; 1019 1020 assert (dbuf != NULL); 1021 assert (dir != NULL); 1022 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1023 dir, dbuf->size, dbuf->cur); 1024 1025 for (i = 0; i < dbuf->size; ) { 1026 de = (struct direct *)(dbuf->buf + i); 1027 reclen = ufs_rw16(de->d_reclen, needswap); 1028 printf( 1029 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1030 ufs_rw32(de->d_ino, needswap), 1031 inode_type(DTTOIF(de->d_type)), i, reclen, 1032 de->d_namlen, de->d_name); 1033 i += reclen; 1034 assert(reclen > 0); 1035 } 1036 } 1037 1038 static void 1039 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1040 { 1041 struct direct de, *dp; 1042 uint16_t llen, reclen; 1043 u_char *newbuf; 1044 1045 assert (dbuf != NULL); 1046 assert (name != NULL); 1047 assert (node != NULL); 1048 /* create direct entry */ 1049 (void)memset(&de, 0, sizeof(de)); 1050 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1051 de.d_type = IFTODT(node->type); 1052 de.d_namlen = (uint8_t)strlen(name); 1053 strcpy(de.d_name, name); 1054 reclen = DIRSIZ_SWAP(0, &de, needswap); 1055 de.d_reclen = ufs_rw16(reclen, needswap); 1056 1057 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1058 llen = 0; 1059 if (dp != NULL) 1060 llen = DIRSIZ_SWAP(0, dp, needswap); 1061 1062 if (debug & DEBUG_FS_MAKE_DIRBUF) 1063 printf( 1064 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1065 " ino %d type %d reclen %d namlen %d name %.30s\n", 1066 dbuf->size, dbuf->cur, llen, 1067 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1068 de.d_namlen, de.d_name); 1069 1070 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1071 if (debug & DEBUG_FS_MAKE_DIRBUF) 1072 printf("ffs_make_dirbuf: growing buf to %d\n", 1073 dbuf->size + DIRBLKSIZ); 1074 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1075 dbuf->buf = newbuf; 1076 dbuf->size += DIRBLKSIZ; 1077 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1078 dbuf->cur = dbuf->size - DIRBLKSIZ; 1079 } else if (dp) { /* shrink end of previous */ 1080 dp->d_reclen = ufs_rw16(llen,needswap); 1081 dbuf->cur += llen; 1082 } 1083 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1084 memcpy(dp, &de, reclen); 1085 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1086 } 1087 1088 /* 1089 * cribbed from sys/ufs/ffs/ffs_alloc.c 1090 */ 1091 static void 1092 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1093 { 1094 char *buf; 1095 struct ufs1_dinode *dp1; 1096 struct ufs2_dinode *dp2, *dip; 1097 struct cg *cgp; 1098 struct fs *fs; 1099 int cg, cgino; 1100 uint32_t i; 1101 daddr_t d; 1102 char sbbuf[FFS_MAXBSIZE]; 1103 uint32_t initediblk; 1104 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1105 1106 assert (dp != NULL); 1107 assert (ino > 0); 1108 assert (fsopts != NULL); 1109 assert (ffs_opts != NULL); 1110 1111 fs = (struct fs *)fsopts->superblock; 1112 cg = ino_to_cg(fs, ino); 1113 cgino = ino % fs->fs_ipg; 1114 if (debug & DEBUG_FS_WRITE_INODE) 1115 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1116 dp, ino, cg, cgino); 1117 1118 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1119 fsopts); 1120 cgp = (struct cg *)sbbuf; 1121 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1122 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1123 1124 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1125 1126 buf = emalloc(fs->fs_bsize); 1127 dp1 = (struct ufs1_dinode *)buf; 1128 dp2 = (struct ufs2_dinode *)buf; 1129 1130 if (fs->fs_cstotal.cs_nifree == 0) 1131 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1132 ino); 1133 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1134 errx(1, 1135 "ffs_write_inode: cg %d out of inodes for ino %u", 1136 cg, ino); 1137 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1138 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1139 fs->fs_cstotal.cs_nifree--; 1140 fs->fs_cs(fs, cg).cs_nifree--; 1141 if (S_ISDIR(DIP(dp, mode))) { 1142 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1143 fs->fs_cstotal.cs_ndir++; 1144 fs->fs_cs(fs, cg).cs_ndir++; 1145 } 1146 1147 /* 1148 * Initialize inode blocks on the fly for UFS2. 1149 */ 1150 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1151 while (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1152 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1153 memset(buf, 0, fs->fs_bsize); 1154 dip = (struct ufs2_dinode *)buf; 1155 for (i = 0; i < INOPB(fs); i++) { 1156 dip->di_gen = random(); 1157 dip++; 1158 } 1159 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1160 cg * fs->fs_ipg + initediblk)), 1161 fs->fs_bsize, buf, fsopts); 1162 initediblk += INOPB(fs); 1163 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1164 } 1165 1166 1167 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1168 fsopts); 1169 1170 /* now write inode */ 1171 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1172 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1173 if (fsopts->needswap) { 1174 if (ffs_opts->version == 1) 1175 ffs_dinode1_swap(&dp->dp1, 1176 &dp1[ino_to_fsbo(fs, ino)]); 1177 else 1178 ffs_dinode2_swap(&dp->dp2, 1179 &dp2[ino_to_fsbo(fs, ino)]); 1180 } else { 1181 if (ffs_opts->version == 1) 1182 dp1[ino_to_fsbo(fs, ino)] = dp->dp1; 1183 else 1184 dp2[ino_to_fsbo(fs, ino)] = dp->dp2; 1185 } 1186 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1187 free(buf); 1188 } 1189 1190 void 1191 panic(const char *fmt, ...) 1192 { 1193 va_list ap; 1194 1195 va_start(ap, fmt); 1196 vwarnx(fmt, ap); 1197 va_end(ap); 1198 exit(1); 1199 } 1200