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 * @(#)ffs_alloc.c 8.19 (Berkeley) 7/13/95 68 */ 69 70 #include <sys/cdefs.h> 71 __FBSDID("$FreeBSD$"); 72 73 #if HAVE_NBTOOL_CONFIG_H 74 #include "nbtool_config.h" 75 #endif 76 77 #include <sys/param.h> 78 79 #include <sys/mount.h> 80 81 #include <assert.h> 82 #include <errno.h> 83 #include <fcntl.h> 84 #include <stdarg.h> 85 #include <stdint.h> 86 #include <stdio.h> 87 #include <stdlib.h> 88 #include <string.h> 89 #include <time.h> 90 #include <unistd.h> 91 #include <util.h> 92 93 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 94 #include <sys/statvfs.h> 95 #endif 96 97 #include <ufs/ufs/dinode.h> 98 #include <ufs/ufs/dir.h> 99 #include <ufs/ffs/fs.h> 100 101 #include "ffs/ufs_bswap.h" 102 #include "ffs/ufs_inode.h" 103 #include "ffs/newfs_extern.h" 104 #include "ffs/ffs_extern.h" 105 106 #undef clrbuf 107 #include "makefs.h" 108 #include "ffs.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 4096 /* fragment size */ 119 #define DFL_BLKSIZE 32768 /* 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; 135 136 137 static int ffs_create_image(const char *, fsinfo_t *); 138 static void ffs_dump_fsinfo(fsinfo_t *); 139 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 140 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 141 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 142 static void ffs_size_dir(fsnode *, fsinfo_t *); 143 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 144 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 145 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 146 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 147 fsnode *, fsinfo_t *); 148 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 149 fsnode *, fsinfo_t *); 150 151 152 /* publicly visible functions */ 153 154 void 155 ffs_prep_opts(fsinfo_t *fsopts) 156 { 157 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 158 159 const option_t ffs_options[] = { 160 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 161 1, INT_MAX, "block size" }, 162 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 163 1, INT_MAX, "fragment size" }, 164 { 'd', "density", &ffs_opts->density, OPT_INT32, 165 1, INT_MAX, "bytes per inode" }, 166 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 167 0, 99, "minfree" }, 168 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 169 1, INT_MAX, "max blocks per file in a cg" }, 170 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 171 1, INT_MAX, "expected average file size" }, 172 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 173 1, INT_MAX, "expected # of files per directory" }, 174 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 175 1, INT_MAX, "maximum # extent size" }, 176 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 177 1, INT_MAX, "max # of blocks per group" }, 178 { 'v', "version", &ffs_opts->version, OPT_INT32, 179 1, 2, "UFS version" }, 180 { 'o', "optimization", NULL, OPT_STRBUF, 181 0, 0, "Optimization (time|space)" }, 182 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 183 1, sizeof(ffs_opts->label), "UFS label" }, 184 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 185 0, 1, "enable softupdates" }, 186 { .name = NULL } 187 }; 188 189 ffs_opts->bsize= -1; 190 ffs_opts->fsize= -1; 191 ffs_opts->cpg= -1; 192 ffs_opts->density= -1; 193 ffs_opts->min_inodes= false; 194 ffs_opts->minfree= -1; 195 ffs_opts->optimization= -1; 196 ffs_opts->maxcontig= -1; 197 ffs_opts->maxbpg= -1; 198 ffs_opts->avgfilesize= -1; 199 ffs_opts->avgfpdir= -1; 200 ffs_opts->version = 1; 201 ffs_opts->softupdates = 0; 202 203 fsopts->fs_specific = ffs_opts; 204 fsopts->fs_options = copy_opts(ffs_options); 205 } 206 207 void 208 ffs_cleanup_opts(fsinfo_t *fsopts) 209 { 210 free(fsopts->fs_specific); 211 free(fsopts->fs_options); 212 } 213 214 int 215 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 216 { 217 ffs_opt_t *ffs_opts = fsopts->fs_specific; 218 option_t *ffs_options = fsopts->fs_options; 219 char buf[1024]; 220 221 int rv; 222 223 assert(option != NULL); 224 assert(fsopts != NULL); 225 assert(ffs_opts != NULL); 226 227 if (debug & DEBUG_FS_PARSE_OPTS) 228 printf("ffs_parse_opts: got `%s'\n", option); 229 230 rv = set_option(ffs_options, option, buf, sizeof(buf)); 231 if (rv == -1) 232 return 0; 233 234 if (ffs_options[rv].name == NULL) 235 abort(); 236 237 switch (ffs_options[rv].letter) { 238 case 'o': 239 if (strcmp(buf, "time") == 0) { 240 ffs_opts->optimization = FS_OPTTIME; 241 } else if (strcmp(buf, "space") == 0) { 242 ffs_opts->optimization = FS_OPTSPACE; 243 } else { 244 warnx("Invalid optimization `%s'", buf); 245 return 0; 246 } 247 break; 248 default: 249 break; 250 } 251 return 1; 252 } 253 254 255 void 256 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 257 { 258 struct fs *superblock; 259 struct timeval start; 260 261 assert(image != NULL); 262 assert(dir != NULL); 263 assert(root != NULL); 264 assert(fsopts != NULL); 265 266 if (debug & DEBUG_FS_MAKEFS) 267 printf("ffs_makefs: image %s directory %s root %p\n", 268 image, dir, root); 269 270 /* if user wants no free space, use minimum number of inodes */ 271 if (fsopts->minsize == 0 && fsopts->freeblockpc == 0 && 272 fsopts->freeblocks == 0) 273 ((ffs_opt_t *)fsopts->fs_specific)->min_inodes = true; 274 275 /* validate tree and options */ 276 TIMER_START(start); 277 ffs_validate(dir, root, fsopts); 278 TIMER_RESULTS(start, "ffs_validate"); 279 280 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 281 image, (long long)fsopts->size, (long long)fsopts->inodes); 282 283 /* create image */ 284 TIMER_START(start); 285 if (ffs_create_image(image, fsopts) == -1) 286 errx(1, "Image file `%s' not created.", image); 287 TIMER_RESULTS(start, "ffs_create_image"); 288 289 fsopts->curinode = UFS_ROOTINO; 290 291 if (debug & DEBUG_FS_MAKEFS) 292 putchar('\n'); 293 294 /* populate image */ 295 printf("Populating `%s'\n", image); 296 TIMER_START(start); 297 if (! ffs_populate_dir(dir, root, fsopts)) 298 errx(1, "Image file `%s' not populated.", image); 299 TIMER_RESULTS(start, "ffs_populate_dir"); 300 301 /* ensure no outstanding buffers remain */ 302 if (debug & DEBUG_FS_MAKEFS) 303 bcleanup(); 304 305 /* update various superblock parameters */ 306 superblock = fsopts->superblock; 307 superblock->fs_fmod = 0; 308 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 309 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 310 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 311 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 312 313 /* write out superblock; image is now complete */ 314 ffs_write_superblock(fsopts->superblock, fsopts); 315 if (close(fsopts->fd) == -1) 316 err(1, "Closing `%s'", image); 317 fsopts->fd = -1; 318 printf("Image `%s' complete\n", image); 319 } 320 321 /* end of public functions */ 322 323 324 static void 325 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 326 { 327 int32_t ncg = 1; 328 #ifdef notyet 329 int32_t spc, nspf, ncyl, fssize; 330 #endif 331 ffs_opt_t *ffs_opts = fsopts->fs_specific; 332 333 assert(dir != NULL); 334 assert(root != NULL); 335 assert(fsopts != NULL); 336 assert(ffs_opts != NULL); 337 338 if (debug & DEBUG_FS_VALIDATE) { 339 printf("ffs_validate: before defaults set:\n"); 340 ffs_dump_fsinfo(fsopts); 341 } 342 343 /* set FFS defaults */ 344 if (fsopts->sectorsize == -1) 345 fsopts->sectorsize = DFL_SECSIZE; 346 if (ffs_opts->fsize == -1) 347 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 348 if (ffs_opts->bsize == -1) 349 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 350 if (ffs_opts->cpg == -1) 351 ffs_opts->cpg = DFL_CYLSPERGROUP; 352 else 353 ffs_opts->cpgflg = 1; 354 /* fsopts->density is set below */ 355 if (ffs_opts->nsectors == -1) 356 ffs_opts->nsectors = DFL_NSECTORS; 357 if (ffs_opts->minfree == -1) 358 ffs_opts->minfree = MINFREE; 359 if (ffs_opts->optimization == -1) 360 ffs_opts->optimization = DEFAULTOPT; 361 if (ffs_opts->maxcontig == -1) 362 ffs_opts->maxcontig = 363 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 364 /* XXX ondisk32 */ 365 if (ffs_opts->maxbpg == -1) 366 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 367 if (ffs_opts->avgfilesize == -1) 368 ffs_opts->avgfilesize = AVFILESIZ; 369 if (ffs_opts->avgfpdir == -1) 370 ffs_opts->avgfpdir = AFPDIR; 371 372 if (fsopts->maxsize > 0 && 373 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 374 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 375 "exceeds maxsize %lld. Lower bsize, or round the minimum " 376 "and maximum sizes to bsize.", dir, 377 (long long)fsopts->minsize, ffs_opts->bsize, 378 (long long)fsopts->maxsize); 379 380 /* calculate size of tree */ 381 ffs_size_dir(root, fsopts); 382 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 383 384 if (debug & DEBUG_FS_VALIDATE) 385 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 386 (long long)fsopts->size, (long long)fsopts->inodes); 387 388 /* add requested slop */ 389 fsopts->size += fsopts->freeblocks; 390 fsopts->inodes += fsopts->freefiles; 391 if (fsopts->freefilepc > 0) 392 fsopts->inodes = 393 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 394 if (fsopts->freeblockpc > 0) 395 fsopts->size = 396 fsopts->size * (100 + fsopts->freeblockpc) / 100; 397 398 /* add space needed for superblocks */ 399 /* 400 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 401 * typically used for small filesystems where space matters. 402 * XXX make this an option. 403 */ 404 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 405 /* add space needed to store inodes, x3 for blockmaps, etc */ 406 if (ffs_opts->version == 1) 407 fsopts->size += ncg * DINODE1_SIZE * 408 roundup(fsopts->inodes / ncg, 409 ffs_opts->bsize / DINODE1_SIZE); 410 else 411 fsopts->size += ncg * DINODE2_SIZE * 412 roundup(fsopts->inodes / ncg, 413 ffs_opts->bsize / DINODE2_SIZE); 414 415 /* add minfree */ 416 if (ffs_opts->minfree > 0) 417 fsopts->size = 418 fsopts->size * (100 + ffs_opts->minfree) / 100; 419 /* 420 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 421 */ 422 423 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 424 fsopts->size = fsopts->minsize; 425 426 /* round up to the next block */ 427 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 428 429 /* round up to requested block size, if any */ 430 if (fsopts->roundup > 0) 431 fsopts->size = roundup(fsopts->size, fsopts->roundup); 432 433 /* calculate density to just fit inodes if no free space */ 434 if (ffs_opts->density == -1) 435 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 436 437 if (debug & DEBUG_FS_VALIDATE) { 438 printf("ffs_validate: after defaults set:\n"); 439 ffs_dump_fsinfo(fsopts); 440 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 441 dir, (long long)fsopts->size, (long long)fsopts->inodes); 442 } 443 /* now check calculated sizes vs requested sizes */ 444 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 445 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 446 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 447 } 448 } 449 450 451 static void 452 ffs_dump_fsinfo(fsinfo_t *f) 453 { 454 455 ffs_opt_t *fs = f->fs_specific; 456 457 printf("fsopts at %p\n", f); 458 459 printf("\tsize %lld, inodes %lld, curinode %u\n", 460 (long long)f->size, (long long)f->inodes, f->curinode); 461 462 printf("\tminsize %lld, maxsize %lld\n", 463 (long long)f->minsize, (long long)f->maxsize); 464 printf("\tfree files %lld, freefile %% %d\n", 465 (long long)f->freefiles, f->freefilepc); 466 printf("\tfree blocks %lld, freeblock %% %d\n", 467 (long long)f->freeblocks, f->freeblockpc); 468 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 469 470 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 471 fs->bsize, fs->fsize, fs->cpg, fs->density); 472 printf("\tnsectors %d, rpm %d, minfree %d\n", 473 fs->nsectors, fs->rpm, fs->minfree); 474 printf("\tmaxcontig %d, maxbpg %d\n", 475 fs->maxcontig, fs->maxbpg); 476 printf("\toptimization %s\n", 477 fs->optimization == FS_OPTSPACE ? "space" : "time"); 478 } 479 480 481 static int 482 ffs_create_image(const char *image, fsinfo_t *fsopts) 483 { 484 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 485 struct statvfs sfs; 486 #endif 487 struct fs *fs; 488 char *buf; 489 int i, bufsize; 490 off_t bufrem; 491 int oflags = O_RDWR | O_CREAT; 492 time_t tstamp; 493 494 assert (image != NULL); 495 assert (fsopts != NULL); 496 497 /* create image */ 498 if (fsopts->offset == 0) 499 oflags |= O_TRUNC; 500 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 501 warn("Can't open `%s' for writing", image); 502 return (-1); 503 } 504 505 /* zero image */ 506 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 507 if (fstatvfs(fsopts->fd, &sfs) == -1) { 508 #endif 509 bufsize = 8192; 510 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 511 warn("can't fstatvfs `%s', using default %d byte chunk", 512 image, bufsize); 513 } else 514 bufsize = sfs.f_iosize; 515 #endif 516 bufrem = fsopts->size; 517 if (fsopts->sparse) { 518 if (ftruncate(fsopts->fd, bufrem) == -1) { 519 warn("sparse option disabled."); 520 fsopts->sparse = 0; 521 } 522 } 523 if (fsopts->sparse) { 524 /* File truncated at bufrem. Remaining is 0 */ 525 bufrem = 0; 526 buf = NULL; 527 } else { 528 if (debug & DEBUG_FS_CREATE_IMAGE) 529 printf("zero-ing image `%s', %lld sectors, " 530 "using %d byte chunks\n", image, (long long)bufrem, 531 bufsize); 532 buf = ecalloc(1, bufsize); 533 } 534 535 if (fsopts->offset != 0) 536 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 537 warn("can't seek"); 538 free(buf); 539 return -1; 540 } 541 542 while (bufrem > 0) { 543 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 544 if (i == -1) { 545 warn("zeroing image, %lld bytes to go", 546 (long long)bufrem); 547 free(buf); 548 return (-1); 549 } 550 bufrem -= i; 551 } 552 if (buf) 553 free(buf); 554 555 /* make the file system */ 556 if (debug & DEBUG_FS_CREATE_IMAGE) 557 printf("calling mkfs(\"%s\", ...)\n", image); 558 559 if (stampst.st_ino != 0) 560 tstamp = stampst.st_ctime; 561 else 562 tstamp = start_time.tv_sec; 563 564 srandom(tstamp); 565 566 fs = ffs_mkfs(image, fsopts, tstamp); 567 fsopts->superblock = (void *)fs; 568 if (debug & DEBUG_FS_CREATE_IMAGE) { 569 time_t t; 570 571 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 572 printf("mkfs returned %p; fs_time %s", 573 fsopts->superblock, ctime(&t)); 574 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 575 (long long)fs->fs_cstotal.cs_nbfree, 576 (long long)fs->fs_cstotal.cs_nffree, 577 (long long)fs->fs_cstotal.cs_nifree, 578 (long long)fs->fs_cstotal.cs_ndir); 579 } 580 581 if (fs->fs_cstotal.cs_nifree + UFS_ROOTINO < fsopts->inodes) { 582 warnx( 583 "Image file `%s' has %lld free inodes; %lld are required.", 584 image, 585 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 586 (long long)fsopts->inodes); 587 return (-1); 588 } 589 return (fsopts->fd); 590 } 591 592 593 static void 594 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 595 { 596 struct direct tmpdir; 597 fsnode * node; 598 int curdirsize, this; 599 ffs_opt_t *ffs_opts = fsopts->fs_specific; 600 601 /* node may be NULL (empty directory) */ 602 assert(fsopts != NULL); 603 assert(ffs_opts != NULL); 604 605 if (debug & DEBUG_FS_SIZE_DIR) 606 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 607 (long long)fsopts->size, (long long)fsopts->inodes); 608 609 #define ADDDIRENT(e) do { \ 610 tmpdir.d_namlen = strlen((e)); \ 611 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 612 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 613 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 614 e, tmpdir.d_namlen, this, curdirsize); \ 615 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 616 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 617 curdirsize += this; \ 618 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 619 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 620 e, tmpdir.d_namlen, this, curdirsize); \ 621 } while (0); 622 623 /* 624 * XXX this needs to take into account extra space consumed 625 * by indirect blocks, etc. 626 */ 627 #define ADDSIZE(x) do { \ 628 fsopts->size += roundup((x), ffs_opts->fsize); \ 629 } while (0); 630 631 curdirsize = 0; 632 for (node = root; node != NULL; node = node->next) { 633 ADDDIRENT(node->name); 634 if (node == root) { /* we're at "." */ 635 assert(strcmp(node->name, ".") == 0); 636 ADDDIRENT(".."); 637 } else if ((node->inode->flags & FI_SIZED) == 0) { 638 /* don't count duplicate names */ 639 node->inode->flags |= FI_SIZED; 640 if (debug & DEBUG_FS_SIZE_DIR_NODE) 641 printf("ffs_size_dir: `%s' size %lld\n", 642 node->name, 643 (long long)node->inode->st.st_size); 644 fsopts->inodes++; 645 if (node->type == S_IFREG) 646 ADDSIZE(node->inode->st.st_size); 647 if (node->type == S_IFLNK) { 648 size_t slen; 649 650 slen = strlen(node->symlink) + 1; 651 if (slen >= (ffs_opts->version == 1 ? 652 UFS1_MAXSYMLINKLEN : 653 UFS2_MAXSYMLINKLEN)) 654 ADDSIZE(slen); 655 } 656 } 657 if (node->type == S_IFDIR) 658 ffs_size_dir(node->child, fsopts); 659 } 660 ADDSIZE(curdirsize); 661 662 if (debug & DEBUG_FS_SIZE_DIR) 663 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 664 (long long)fsopts->size, (long long)fsopts->inodes); 665 } 666 667 static void * 668 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 669 fsnode *root, fsinfo_t *fsopts) 670 { 671 size_t slen; 672 void *membuf; 673 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 674 675 memset(dinp, 0, sizeof(*dinp)); 676 dinp->di_mode = cur->inode->st.st_mode; 677 dinp->di_nlink = cur->inode->nlink; 678 dinp->di_size = cur->inode->st.st_size; 679 #if HAVE_STRUCT_STAT_ST_FLAGS 680 dinp->di_flags = cur->inode->st.st_flags; 681 #endif 682 dinp->di_gen = random(); 683 dinp->di_uid = cur->inode->st.st_uid; 684 dinp->di_gid = cur->inode->st.st_gid; 685 686 dinp->di_atime = st->st_atime; 687 dinp->di_mtime = st->st_mtime; 688 dinp->di_ctime = st->st_ctime; 689 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 690 dinp->di_atimensec = st->st_atimensec; 691 dinp->di_mtimensec = st->st_mtimensec; 692 dinp->di_ctimensec = st->st_ctimensec; 693 #endif 694 /* not set: di_db, di_ib, di_blocks, di_spare */ 695 696 membuf = NULL; 697 if (cur == root) { /* "."; write dirbuf */ 698 membuf = dbufp->buf; 699 dinp->di_size = dbufp->size; 700 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 701 dinp->di_size = 0; /* a device */ 702 dinp->di_rdev = 703 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 704 } else if (S_ISLNK(cur->type)) { /* symlink */ 705 slen = strlen(cur->symlink); 706 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 707 memcpy(dinp->di_shortlink, cur->symlink, slen); 708 } else 709 membuf = cur->symlink; 710 dinp->di_size = slen; 711 } 712 return membuf; 713 } 714 715 static void * 716 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 717 fsnode *root, fsinfo_t *fsopts) 718 { 719 size_t slen; 720 void *membuf; 721 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 722 723 memset(dinp, 0, sizeof(*dinp)); 724 dinp->di_mode = cur->inode->st.st_mode; 725 dinp->di_nlink = cur->inode->nlink; 726 dinp->di_size = cur->inode->st.st_size; 727 #if HAVE_STRUCT_STAT_ST_FLAGS 728 dinp->di_flags = cur->inode->st.st_flags; 729 #endif 730 dinp->di_gen = random(); 731 dinp->di_uid = cur->inode->st.st_uid; 732 dinp->di_gid = cur->inode->st.st_gid; 733 734 dinp->di_atime = st->st_atime; 735 dinp->di_mtime = st->st_mtime; 736 dinp->di_ctime = st->st_ctime; 737 #if HAVE_STRUCT_STAT_BIRTHTIME 738 dinp->di_birthtime = st->st_birthtime; 739 #else 740 dinp->di_birthtime = st->st_ctime; 741 #endif 742 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 743 dinp->di_atimensec = st->st_atimensec; 744 dinp->di_mtimensec = st->st_mtimensec; 745 dinp->di_ctimensec = st->st_ctimensec; 746 #if HAVE_STRUCT_STAT_BIRTHTIME 747 dinp->di_birthnsec = st->st_birthtimensec; 748 #else 749 dinp->di_birthnsec = st->st_ctimensec; 750 #endif 751 #endif 752 753 /* not set: di_db, di_ib, di_blocks, di_spare */ 754 755 membuf = NULL; 756 if (cur == root) { /* "."; write dirbuf */ 757 membuf = dbufp->buf; 758 dinp->di_size = dbufp->size; 759 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 760 dinp->di_size = 0; /* a device */ 761 dinp->di_rdev = 762 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 763 } else if (S_ISLNK(cur->type)) { /* symlink */ 764 slen = strlen(cur->symlink); 765 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 766 memcpy(dinp->di_shortlink, cur->symlink, slen); 767 } else 768 membuf = cur->symlink; 769 dinp->di_size = slen; 770 } 771 return membuf; 772 } 773 774 static int 775 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 776 { 777 fsnode *cur; 778 dirbuf_t dirbuf; 779 union dinode din; 780 void *membuf; 781 char path[MAXPATHLEN + 1]; 782 ffs_opt_t *ffs_opts = fsopts->fs_specific; 783 784 assert(dir != NULL); 785 assert(root != NULL); 786 assert(fsopts != NULL); 787 assert(ffs_opts != NULL); 788 789 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 790 791 if (debug & DEBUG_FS_POPULATE) 792 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 793 794 /* 795 * pass 1: allocate inode numbers, build directory `file' 796 */ 797 for (cur = root; cur != NULL; cur = cur->next) { 798 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 799 cur->inode->flags |= FI_ALLOCATED; 800 if (cur == root && cur->parent != NULL) 801 cur->inode->ino = cur->parent->inode->ino; 802 else { 803 cur->inode->ino = fsopts->curinode; 804 fsopts->curinode++; 805 } 806 } 807 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 808 if (cur == root) { /* we're at "."; add ".." */ 809 ffs_make_dirbuf(&dirbuf, "..", 810 cur->parent == NULL ? cur : cur->parent->first, 811 fsopts->needswap); 812 root->inode->nlink++; /* count my parent's link */ 813 } else if (cur->child != NULL) 814 root->inode->nlink++; /* count my child's link */ 815 816 /* 817 * XXX possibly write file and long symlinks here, 818 * ensuring that blocks get written before inodes? 819 * otoh, this isn't a real filesystem, so who 820 * cares about ordering? :-) 821 */ 822 } 823 if (debug & DEBUG_FS_POPULATE_DIRBUF) 824 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 825 826 /* 827 * pass 2: write out dirbuf, then non-directories at this level 828 */ 829 if (debug & DEBUG_FS_POPULATE) 830 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 831 for (cur = root; cur != NULL; cur = cur->next) { 832 if (cur->inode->flags & FI_WRITTEN) 833 continue; /* skip hard-linked entries */ 834 cur->inode->flags |= FI_WRITTEN; 835 836 if (cur->contents == NULL) { 837 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 838 cur->path, cur->name) >= (int)sizeof(path)) 839 errx(1, "Pathname too long."); 840 } 841 842 if (cur->child != NULL) 843 continue; /* child creates own inode */ 844 845 /* build on-disk inode */ 846 if (ffs_opts->version == 1) 847 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 848 root, fsopts); 849 else 850 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 851 root, fsopts); 852 853 if (debug & DEBUG_FS_POPULATE_NODE) { 854 printf("ffs_populate_dir: writing ino %d, %s", 855 cur->inode->ino, inode_type(cur->type)); 856 if (cur->inode->nlink > 1) 857 printf(", nlink %d", cur->inode->nlink); 858 putchar('\n'); 859 } 860 861 if (membuf != NULL) { 862 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 863 } else if (S_ISREG(cur->type)) { 864 ffs_write_file(&din, cur->inode->ino, 865 (cur->contents) ? cur->contents : path, fsopts); 866 } else { 867 assert (! S_ISDIR(cur->type)); 868 ffs_write_inode(&din, cur->inode->ino, fsopts); 869 } 870 } 871 872 /* 873 * pass 3: write out sub-directories 874 */ 875 if (debug & DEBUG_FS_POPULATE) 876 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 877 for (cur = root; cur != NULL; cur = cur->next) { 878 if (cur->child == NULL) 879 continue; 880 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 881 cur->name) >= sizeof(path)) 882 errx(1, "Pathname too long."); 883 if (! ffs_populate_dir(path, cur->child, fsopts)) 884 return (0); 885 } 886 887 if (debug & DEBUG_FS_POPULATE) 888 printf("ffs_populate_dir: DONE dir %s\n", dir); 889 890 /* cleanup */ 891 if (dirbuf.buf != NULL) 892 free(dirbuf.buf); 893 return (1); 894 } 895 896 897 static void 898 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 899 { 900 int isfile, ffd; 901 char *fbuf, *p; 902 off_t bufleft, chunk, offset; 903 ssize_t nread; 904 struct inode in; 905 struct m_buf * bp; 906 ffs_opt_t *ffs_opts = fsopts->fs_specific; 907 struct m_vnode vp = { fsopts, NULL }; 908 909 assert (din != NULL); 910 assert (buf != NULL); 911 assert (fsopts != NULL); 912 assert (ffs_opts != NULL); 913 914 isfile = S_ISREG(DIP(din, mode)); 915 fbuf = NULL; 916 ffd = -1; 917 p = NULL; 918 919 in.i_fs = (struct fs *)fsopts->superblock; 920 in.i_devvp = (void *)&vp; 921 922 if (debug & DEBUG_FS_WRITE_FILE) { 923 printf( 924 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 925 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 926 (long long)DIP(din, size)); 927 if (isfile) 928 printf(", file '%s'\n", (char *)buf); 929 else 930 printf(", buffer %p\n", buf); 931 } 932 933 in.i_number = ino; 934 in.i_size = DIP(din, size); 935 if (ffs_opts->version == 1) 936 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 937 sizeof(in.i_din.ffs1_din)); 938 else 939 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 940 sizeof(in.i_din.ffs2_din)); 941 942 if (DIP(din, size) == 0) 943 goto write_inode_and_leave; /* mmm, cheating */ 944 945 if (isfile) { 946 fbuf = emalloc(ffs_opts->bsize); 947 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 948 err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf); 949 } 950 } else { 951 p = buf; 952 } 953 954 chunk = 0; 955 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 956 chunk = MIN(bufleft, ffs_opts->bsize); 957 if (!isfile) 958 ; 959 else if ((nread = read(ffd, fbuf, chunk)) == -1) 960 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 961 (char *)buf, (long long)bufleft); 962 else if (nread != chunk) 963 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 964 "read %zd bytes, expected %ju bytes, does " 965 "metalog size= attribute mismatch source size?", 966 (char *)buf, (long long)bufleft, nread, 967 (uintmax_t)chunk); 968 else 969 p = fbuf; 970 offset = DIP(din, size) - bufleft; 971 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 972 printf( 973 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 974 p, (long long)offset, 975 (long long)chunk, (long long)bufleft); 976 /* 977 * XXX if holey support is desired, do the check here 978 * 979 * XXX might need to write out last bit in fragroundup 980 * sized chunk. however, ffs_balloc() handles this for us 981 */ 982 errno = ffs_balloc(&in, offset, chunk, &bp); 983 bad_ffs_write_file: 984 if (errno != 0) 985 err(1, 986 "Writing inode %d (%s), bytes %lld + %lld", 987 ino, 988 isfile ? (char *)buf : 989 inode_type(DIP(din, mode) & S_IFMT), 990 (long long)offset, (long long)chunk); 991 memcpy(bp->b_data, p, chunk); 992 errno = bwrite(bp); 993 if (errno != 0) 994 goto bad_ffs_write_file; 995 brelse(bp); 996 if (!isfile) 997 p += chunk; 998 } 999 1000 write_inode_and_leave: 1001 ffs_write_inode(&in.i_din, in.i_number, fsopts); 1002 if (fbuf) 1003 free(fbuf); 1004 if (ffd != -1) 1005 close(ffd); 1006 } 1007 1008 1009 static void 1010 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 1011 { 1012 doff_t i; 1013 struct direct *de; 1014 uint16_t reclen; 1015 1016 assert (dbuf != NULL); 1017 assert (dir != NULL); 1018 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1019 dir, dbuf->size, dbuf->cur); 1020 1021 for (i = 0; i < dbuf->size; ) { 1022 de = (struct direct *)(dbuf->buf + i); 1023 reclen = ufs_rw16(de->d_reclen, needswap); 1024 printf( 1025 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1026 ufs_rw32(de->d_ino, needswap), 1027 inode_type(DTTOIF(de->d_type)), i, reclen, 1028 de->d_namlen, de->d_name); 1029 i += reclen; 1030 assert(reclen > 0); 1031 } 1032 } 1033 1034 static void 1035 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1036 { 1037 struct direct de, *dp; 1038 uint16_t llen, reclen; 1039 u_char *newbuf; 1040 1041 assert (dbuf != NULL); 1042 assert (name != NULL); 1043 assert (node != NULL); 1044 /* create direct entry */ 1045 (void)memset(&de, 0, sizeof(de)); 1046 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1047 de.d_type = IFTODT(node->type); 1048 de.d_namlen = (uint8_t)strlen(name); 1049 strcpy(de.d_name, name); 1050 reclen = DIRSIZ_SWAP(0, &de, needswap); 1051 de.d_reclen = ufs_rw16(reclen, needswap); 1052 1053 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1054 llen = 0; 1055 if (dp != NULL) 1056 llen = DIRSIZ_SWAP(0, dp, needswap); 1057 1058 if (debug & DEBUG_FS_MAKE_DIRBUF) 1059 printf( 1060 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1061 " ino %d type %d reclen %d namlen %d name %.30s\n", 1062 dbuf->size, dbuf->cur, llen, 1063 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1064 de.d_namlen, de.d_name); 1065 1066 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1067 if (debug & DEBUG_FS_MAKE_DIRBUF) 1068 printf("ffs_make_dirbuf: growing buf to %d\n", 1069 dbuf->size + DIRBLKSIZ); 1070 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1071 dbuf->buf = newbuf; 1072 dbuf->size += DIRBLKSIZ; 1073 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1074 dbuf->cur = dbuf->size - DIRBLKSIZ; 1075 } else if (dp) { /* shrink end of previous */ 1076 dp->d_reclen = ufs_rw16(llen,needswap); 1077 dbuf->cur += llen; 1078 } 1079 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1080 memcpy(dp, &de, reclen); 1081 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1082 } 1083 1084 /* 1085 * cribbed from sys/ufs/ffs/ffs_alloc.c 1086 */ 1087 static void 1088 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1089 { 1090 char *buf; 1091 struct ufs1_dinode *dp1; 1092 struct ufs2_dinode *dp2, *dip; 1093 struct cg *cgp; 1094 struct fs *fs; 1095 int cg, cgino; 1096 uint32_t i; 1097 daddr_t d; 1098 char sbbuf[FFS_MAXBSIZE]; 1099 uint32_t initediblk; 1100 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1101 1102 assert (dp != NULL); 1103 assert (ino > 0); 1104 assert (fsopts != NULL); 1105 assert (ffs_opts != NULL); 1106 1107 fs = (struct fs *)fsopts->superblock; 1108 cg = ino_to_cg(fs, ino); 1109 cgino = ino % fs->fs_ipg; 1110 if (debug & DEBUG_FS_WRITE_INODE) 1111 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1112 dp, ino, cg, cgino); 1113 1114 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1115 fsopts); 1116 cgp = (struct cg *)sbbuf; 1117 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1118 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1119 1120 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1121 1122 buf = emalloc(fs->fs_bsize); 1123 dp1 = (struct ufs1_dinode *)buf; 1124 dp2 = (struct ufs2_dinode *)buf; 1125 1126 if (fs->fs_cstotal.cs_nifree == 0) 1127 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1128 ino); 1129 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1130 errx(1, 1131 "ffs_write_inode: cg %d out of inodes for ino %u", 1132 cg, ino); 1133 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1134 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1135 fs->fs_cstotal.cs_nifree--; 1136 fs->fs_cs(fs, cg).cs_nifree--; 1137 if (S_ISDIR(DIP(dp, mode))) { 1138 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1139 fs->fs_cstotal.cs_ndir++; 1140 fs->fs_cs(fs, cg).cs_ndir++; 1141 } 1142 1143 /* 1144 * Initialize inode blocks on the fly for UFS2. 1145 */ 1146 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1147 while (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1148 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1149 memset(buf, 0, fs->fs_bsize); 1150 dip = (struct ufs2_dinode *)buf; 1151 for (i = 0; i < INOPB(fs); i++) { 1152 dip->di_gen = random(); 1153 dip++; 1154 } 1155 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1156 cg * fs->fs_ipg + initediblk)), 1157 fs->fs_bsize, buf, fsopts); 1158 initediblk += INOPB(fs); 1159 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1160 } 1161 1162 1163 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1164 fsopts); 1165 1166 /* now write inode */ 1167 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1168 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1169 if (fsopts->needswap) { 1170 if (ffs_opts->version == 1) 1171 ffs_dinode1_swap(&dp->ffs1_din, 1172 &dp1[ino_to_fsbo(fs, ino)]); 1173 else 1174 ffs_dinode2_swap(&dp->ffs2_din, 1175 &dp2[ino_to_fsbo(fs, ino)]); 1176 } else { 1177 if (ffs_opts->version == 1) 1178 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1179 else 1180 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1181 } 1182 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1183 free(buf); 1184 } 1185 1186 void 1187 panic(const char *fmt, ...) 1188 { 1189 va_list ap; 1190 1191 va_start(ap, fmt); 1192 vwarnx(fmt, ap); 1193 va_end(ap); 1194 exit(1); 1195 } 1196