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 #if HAVE_NBTOOL_CONFIG_H 72 #include "nbtool_config.h" 73 #endif 74 75 #include <sys/param.h> 76 77 #include <sys/mount.h> 78 79 #include <assert.h> 80 #include <errno.h> 81 #include <fcntl.h> 82 #include <stdarg.h> 83 #include <stdint.h> 84 #include <stdio.h> 85 #include <stdlib.h> 86 #include <string.h> 87 #include <time.h> 88 #include <unistd.h> 89 #include <util.h> 90 91 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 92 #include <sys/statvfs.h> 93 #endif 94 95 #include <ufs/ufs/dinode.h> 96 #include <ufs/ufs/dir.h> 97 #include <ufs/ffs/fs.h> 98 99 #include "ffs/ufs_bswap.h" 100 #include "ffs/ufs_inode.h" 101 #include "ffs/newfs_extern.h" 102 #include "ffs/ffs_extern.h" 103 104 #undef clrbuf 105 #include "makefs.h" 106 #include "ffs.h" 107 108 #undef DIP 109 #define DIP(dp, field) \ 110 ((ffs_opts->version == 1) ? \ 111 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 112 113 /* 114 * Various file system defaults (cribbed from newfs(8)). 115 */ 116 #define DFL_FRAGSIZE 4096 /* fragment size */ 117 #define DFL_BLKSIZE 32768 /* block size */ 118 #define DFL_SECSIZE 512 /* sector size */ 119 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 120 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 121 #define DFL_ROTDELAY 0 /* rotational delay */ 122 #define DFL_NRPOS 1 /* rotational positions */ 123 #define DFL_RPM 3600 /* rpm of disk */ 124 #define DFL_NSECTORS 64 /* # of sectors */ 125 #define DFL_NTRACKS 16 /* # of tracks */ 126 127 128 typedef struct { 129 u_char *buf; /* buf for directory */ 130 doff_t size; /* full size of buf */ 131 doff_t cur; /* offset of current entry */ 132 } dirbuf_t; 133 134 135 static int ffs_create_image(const char *, fsinfo_t *); 136 static void ffs_dump_fsinfo(fsinfo_t *); 137 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 138 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 139 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 140 static void ffs_size_dir(fsnode *, fsinfo_t *); 141 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 142 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 143 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 144 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 145 fsnode *, fsinfo_t *); 146 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 147 fsnode *, fsinfo_t *); 148 149 150 /* publicly visible functions */ 151 152 void 153 ffs_prep_opts(fsinfo_t *fsopts) 154 { 155 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 156 157 const option_t ffs_options[] = { 158 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 159 1, INT_MAX, "block size" }, 160 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 161 1, INT_MAX, "fragment size" }, 162 { 'd', "density", &ffs_opts->density, OPT_INT32, 163 1, INT_MAX, "bytes per inode" }, 164 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 165 0, 99, "minfree" }, 166 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 167 1, INT_MAX, "max blocks per file in a cg" }, 168 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 169 1, INT_MAX, "expected average file size" }, 170 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 171 1, INT_MAX, "expected # of files per directory" }, 172 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 173 1, INT_MAX, "maximum # extent size" }, 174 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 175 1, INT_MAX, "max # of blocks per group" }, 176 { 'v', "version", &ffs_opts->version, OPT_INT32, 177 1, 2, "UFS version" }, 178 { 'o', "optimization", NULL, OPT_STRBUF, 179 0, 0, "Optimization (time|space)" }, 180 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 181 1, sizeof(ffs_opts->label), "UFS label" }, 182 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 183 0, 1, "enable softupdates" }, 184 { .name = NULL } 185 }; 186 187 ffs_opts->bsize= -1; 188 ffs_opts->fsize= -1; 189 ffs_opts->cpg= -1; 190 ffs_opts->density= -1; 191 ffs_opts->min_inodes= false; 192 ffs_opts->minfree= -1; 193 ffs_opts->optimization= -1; 194 ffs_opts->maxcontig= -1; 195 ffs_opts->maxbpg= -1; 196 ffs_opts->avgfilesize= -1; 197 ffs_opts->avgfpdir= -1; 198 ffs_opts->version = 1; 199 ffs_opts->softupdates = 0; 200 201 fsopts->fs_specific = ffs_opts; 202 fsopts->fs_options = copy_opts(ffs_options); 203 } 204 205 void 206 ffs_cleanup_opts(fsinfo_t *fsopts) 207 { 208 free(fsopts->fs_specific); 209 free(fsopts->fs_options); 210 } 211 212 int 213 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 214 { 215 ffs_opt_t *ffs_opts = fsopts->fs_specific; 216 option_t *ffs_options = fsopts->fs_options; 217 char buf[1024]; 218 219 int rv; 220 221 assert(option != NULL); 222 assert(fsopts != NULL); 223 assert(ffs_opts != NULL); 224 225 if (debug & DEBUG_FS_PARSE_OPTS) 226 printf("ffs_parse_opts: got `%s'\n", option); 227 228 rv = set_option(ffs_options, option, buf, sizeof(buf)); 229 if (rv == -1) 230 return 0; 231 232 if (ffs_options[rv].name == NULL) 233 abort(); 234 235 switch (ffs_options[rv].letter) { 236 case 'o': 237 if (strcmp(buf, "time") == 0) { 238 ffs_opts->optimization = FS_OPTTIME; 239 } else if (strcmp(buf, "space") == 0) { 240 ffs_opts->optimization = FS_OPTSPACE; 241 } else { 242 warnx("Invalid optimization `%s'", buf); 243 return 0; 244 } 245 break; 246 default: 247 break; 248 } 249 return 1; 250 } 251 252 253 void 254 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 255 { 256 struct fs *superblock; 257 struct timeval start; 258 259 assert(image != NULL); 260 assert(dir != NULL); 261 assert(root != NULL); 262 assert(fsopts != NULL); 263 264 if (debug & DEBUG_FS_MAKEFS) 265 printf("ffs_makefs: image %s directory %s root %p\n", 266 image, dir, root); 267 268 /* if user wants no free space, use minimum number of inodes */ 269 if (fsopts->minsize == 0 && fsopts->freeblockpc == 0 && 270 fsopts->freeblocks == 0) 271 ((ffs_opt_t *)fsopts->fs_specific)->min_inodes = true; 272 273 /* validate tree and options */ 274 TIMER_START(start); 275 ffs_validate(dir, root, fsopts); 276 TIMER_RESULTS(start, "ffs_validate"); 277 278 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 279 image, (long long)fsopts->size, (long long)fsopts->inodes); 280 281 /* create image */ 282 TIMER_START(start); 283 if (ffs_create_image(image, fsopts) == -1) 284 errx(1, "Image file `%s' not created.", image); 285 TIMER_RESULTS(start, "ffs_create_image"); 286 287 fsopts->curinode = UFS_ROOTINO; 288 289 if (debug & DEBUG_FS_MAKEFS) 290 putchar('\n'); 291 292 /* populate image */ 293 printf("Populating `%s'\n", image); 294 TIMER_START(start); 295 if (! ffs_populate_dir(dir, root, fsopts)) 296 errx(1, "Image file `%s' not populated.", image); 297 TIMER_RESULTS(start, "ffs_populate_dir"); 298 299 /* ensure no outstanding buffers remain */ 300 if (debug & DEBUG_FS_MAKEFS) 301 bcleanup(); 302 303 /* update various superblock parameters */ 304 superblock = fsopts->superblock; 305 superblock->fs_fmod = 0; 306 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 307 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 308 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 309 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 310 311 /* write out superblock; image is now complete */ 312 ffs_write_superblock(fsopts->superblock, fsopts); 313 if (close(fsopts->fd) == -1) 314 err(1, "Closing `%s'", image); 315 fsopts->fd = -1; 316 printf("Image `%s' complete\n", image); 317 } 318 319 /* end of public functions */ 320 321 322 static void 323 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 324 { 325 #ifdef notyet 326 int32_t spc, nspf, ncyl, fssize; 327 #endif 328 ffs_opt_t *ffs_opts = fsopts->fs_specific; 329 330 assert(dir != NULL); 331 assert(root != NULL); 332 assert(fsopts != NULL); 333 assert(ffs_opts != NULL); 334 335 if (debug & DEBUG_FS_VALIDATE) { 336 printf("ffs_validate: before defaults set:\n"); 337 ffs_dump_fsinfo(fsopts); 338 } 339 340 /* set FFS defaults */ 341 if (fsopts->sectorsize == -1) 342 fsopts->sectorsize = DFL_SECSIZE; 343 if (ffs_opts->fsize == -1) 344 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 345 if (ffs_opts->bsize == -1) 346 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 347 if (ffs_opts->cpg == -1) 348 ffs_opts->cpg = DFL_CYLSPERGROUP; 349 else 350 ffs_opts->cpgflg = 1; 351 /* fsopts->density is set below */ 352 if (ffs_opts->nsectors == -1) 353 ffs_opts->nsectors = DFL_NSECTORS; 354 if (ffs_opts->minfree == -1) 355 ffs_opts->minfree = MINFREE; 356 if (ffs_opts->optimization == -1) 357 ffs_opts->optimization = DEFAULTOPT; 358 if (ffs_opts->maxcontig == -1) 359 ffs_opts->maxcontig = 360 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 361 /* XXX ondisk32 */ 362 if (ffs_opts->maxbpg == -1) 363 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 364 if (ffs_opts->avgfilesize == -1) 365 ffs_opts->avgfilesize = AVFILESIZ; 366 if (ffs_opts->avgfpdir == -1) 367 ffs_opts->avgfpdir = AFPDIR; 368 369 if (fsopts->maxsize > 0 && 370 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 371 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 372 "exceeds maxsize %lld. Lower bsize, or round the minimum " 373 "and maximum sizes to bsize.", dir, 374 (long long)fsopts->minsize, ffs_opts->bsize, 375 (long long)fsopts->maxsize); 376 377 /* calculate size of tree */ 378 ffs_size_dir(root, fsopts); 379 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 380 381 if (debug & DEBUG_FS_VALIDATE) 382 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 383 (long long)fsopts->size, (long long)fsopts->inodes); 384 385 /* add requested slop */ 386 fsopts->size += fsopts->freeblocks; 387 fsopts->inodes += fsopts->freefiles; 388 if (fsopts->freefilepc > 0) 389 fsopts->inodes = 390 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 391 if (fsopts->freeblockpc > 0) 392 fsopts->size = 393 fsopts->size * (100 + fsopts->freeblockpc) / 100; 394 395 /* 396 * Add space needed for superblock, cylblock and to store inodes. 397 * All of those segments are aligned to the block size. 398 * XXX: This has to match calculations done in ffs_mkfs. 399 */ 400 if (ffs_opts->version == 1) { 401 fsopts->size += 402 roundup(SBLOCK_UFS1 + SBLOCKSIZE, ffs_opts->bsize); 403 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 404 fsopts->size += ffs_opts->bsize; 405 fsopts->size += DINODE1_SIZE * 406 roundup(fsopts->inodes, ffs_opts->bsize / DINODE1_SIZE); 407 } else { 408 fsopts->size += 409 roundup(SBLOCK_UFS2 + SBLOCKSIZE, ffs_opts->bsize); 410 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 411 fsopts->size += ffs_opts->bsize; 412 fsopts->size += DINODE2_SIZE * 413 roundup(fsopts->inodes, ffs_opts->bsize / DINODE2_SIZE); 414 } 415 416 /* add minfree */ 417 if (ffs_opts->minfree > 0) 418 fsopts->size = 419 fsopts->size * (100 + ffs_opts->minfree) / 100; 420 /* 421 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 422 */ 423 424 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 425 fsopts->size = fsopts->minsize; 426 427 /* round up to the next block */ 428 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 429 430 /* round up to requested block size, if any */ 431 if (fsopts->roundup > 0) 432 fsopts->size = roundup(fsopts->size, fsopts->roundup); 433 434 /* calculate density to just fit inodes if no free space */ 435 if (ffs_opts->density == -1) 436 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 437 438 if (debug & DEBUG_FS_VALIDATE) { 439 printf("ffs_validate: after defaults set:\n"); 440 ffs_dump_fsinfo(fsopts); 441 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 442 dir, (long long)fsopts->size, (long long)fsopts->inodes); 443 } 444 /* now check calculated sizes vs requested sizes */ 445 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 446 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 447 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 448 } 449 } 450 451 452 static void 453 ffs_dump_fsinfo(fsinfo_t *f) 454 { 455 456 ffs_opt_t *fs = f->fs_specific; 457 458 printf("fsopts at %p\n", f); 459 460 printf("\tsize %lld, inodes %lld, curinode %u\n", 461 (long long)f->size, (long long)f->inodes, f->curinode); 462 463 printf("\tminsize %lld, maxsize %lld\n", 464 (long long)f->minsize, (long long)f->maxsize); 465 printf("\tfree files %lld, freefile %% %d\n", 466 (long long)f->freefiles, f->freefilepc); 467 printf("\tfree blocks %lld, freeblock %% %d\n", 468 (long long)f->freeblocks, f->freeblockpc); 469 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 470 471 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 472 fs->bsize, fs->fsize, fs->cpg, fs->density); 473 printf("\tnsectors %d, rpm %d, minfree %d\n", 474 fs->nsectors, fs->rpm, fs->minfree); 475 printf("\tmaxcontig %d, maxbpg %d\n", 476 fs->maxcontig, fs->maxbpg); 477 printf("\toptimization %s\n", 478 fs->optimization == FS_OPTSPACE ? "space" : "time"); 479 } 480 481 482 static int 483 ffs_create_image(const char *image, fsinfo_t *fsopts) 484 { 485 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 486 struct statvfs sfs; 487 #endif 488 struct fs *fs; 489 char *buf; 490 int i, bufsize; 491 off_t bufrem; 492 int oflags = O_RDWR | O_CREAT; 493 time_t tstamp; 494 495 assert (image != NULL); 496 assert (fsopts != NULL); 497 498 /* create image */ 499 if (fsopts->offset == 0) 500 oflags |= O_TRUNC; 501 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 502 warn("Can't open `%s' for writing", image); 503 return (-1); 504 } 505 506 /* zero image */ 507 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 508 if (fstatvfs(fsopts->fd, &sfs) == -1) { 509 #endif 510 bufsize = 8192; 511 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 512 warn("can't fstatvfs `%s', using default %d byte chunk", 513 image, bufsize); 514 } else 515 bufsize = sfs.f_iosize; 516 #endif 517 bufrem = fsopts->size; 518 if (fsopts->sparse) { 519 if (ftruncate(fsopts->fd, bufrem) == -1) { 520 warn("sparse option disabled."); 521 fsopts->sparse = 0; 522 } 523 } 524 if (fsopts->sparse) { 525 /* File truncated at bufrem. Remaining is 0 */ 526 bufrem = 0; 527 buf = NULL; 528 } else { 529 if (debug & DEBUG_FS_CREATE_IMAGE) 530 printf("zero-ing image `%s', %lld sectors, " 531 "using %d byte chunks\n", image, (long long)bufrem, 532 bufsize); 533 buf = ecalloc(1, bufsize); 534 } 535 536 if (fsopts->offset != 0) 537 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 538 warn("can't seek"); 539 free(buf); 540 return -1; 541 } 542 543 while (bufrem > 0) { 544 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 545 if (i == -1) { 546 warn("zeroing image, %lld bytes to go", 547 (long long)bufrem); 548 free(buf); 549 return (-1); 550 } 551 bufrem -= i; 552 } 553 if (buf) 554 free(buf); 555 556 /* make the file system */ 557 if (debug & DEBUG_FS_CREATE_IMAGE) 558 printf("calling mkfs(\"%s\", ...)\n", image); 559 560 if (stampst.st_ino != 0) 561 tstamp = stampst.st_ctime; 562 else 563 tstamp = start_time.tv_sec; 564 565 srandom(tstamp); 566 567 fs = ffs_mkfs(image, fsopts, tstamp); 568 fsopts->superblock = (void *)fs; 569 if (debug & DEBUG_FS_CREATE_IMAGE) { 570 time_t t; 571 572 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 573 printf("mkfs returned %p; fs_time %s", 574 fsopts->superblock, ctime(&t)); 575 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 576 (long long)fs->fs_cstotal.cs_nbfree, 577 (long long)fs->fs_cstotal.cs_nffree, 578 (long long)fs->fs_cstotal.cs_nifree, 579 (long long)fs->fs_cstotal.cs_ndir); 580 } 581 582 if (fs->fs_cstotal.cs_nifree + (off_t)UFS_ROOTINO < fsopts->inodes) { 583 warnx( 584 "Image file `%s' has %lld free inodes; %lld are required.", 585 image, 586 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 587 (long long)fsopts->inodes); 588 return (-1); 589 } 590 return (fsopts->fd); 591 } 592 593 594 static void 595 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 596 { 597 struct direct tmpdir; 598 fsnode * node; 599 int curdirsize, this; 600 ffs_opt_t *ffs_opts = fsopts->fs_specific; 601 602 /* node may be NULL (empty directory) */ 603 assert(fsopts != NULL); 604 assert(ffs_opts != NULL); 605 606 if (debug & DEBUG_FS_SIZE_DIR) 607 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 608 (long long)fsopts->size, (long long)fsopts->inodes); 609 610 #define ADDDIRENT(e) do { \ 611 tmpdir.d_namlen = strlen((e)); \ 612 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 613 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 614 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 615 e, tmpdir.d_namlen, this, curdirsize); \ 616 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 617 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 618 curdirsize += this; \ 619 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 620 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 621 e, tmpdir.d_namlen, this, curdirsize); \ 622 } while (0); 623 624 #define ADDSIZE(x) do { \ 625 if ((size_t)(x) < UFS_NDADDR * (size_t)ffs_opts->bsize) { \ 626 fsopts->size += roundup((x), ffs_opts->fsize); \ 627 } else { \ 628 /* Count space consumed by indirecttion blocks. */ \ 629 fsopts->size += ffs_opts->bsize * \ 630 (howmany((x), UFS_NDADDR * ffs_opts->bsize) - 1); \ 631 /* \ 632 * If the file is big enough to use indirect blocks, \ 633 * we allocate bsize block for trailing data. \ 634 */ \ 635 fsopts->size += roundup((x), ffs_opts->bsize); \ 636 } \ 637 } while (0); 638 639 curdirsize = 0; 640 for (node = root; node != NULL; node = node->next) { 641 ADDDIRENT(node->name); 642 if (node == root) { /* we're at "." */ 643 assert(strcmp(node->name, ".") == 0); 644 ADDDIRENT(".."); 645 } else if ((node->inode->flags & FI_SIZED) == 0) { 646 /* don't count duplicate names */ 647 node->inode->flags |= FI_SIZED; 648 if (debug & DEBUG_FS_SIZE_DIR_NODE) 649 printf("ffs_size_dir: `%s' size %lld\n", 650 node->name, 651 (long long)node->inode->st.st_size); 652 fsopts->inodes++; 653 if (node->type == S_IFREG) 654 ADDSIZE(node->inode->st.st_size); 655 if (node->type == S_IFLNK) { 656 size_t slen; 657 658 slen = strlen(node->symlink) + 1; 659 if (slen >= (ffs_opts->version == 1 ? 660 UFS1_MAXSYMLINKLEN : 661 UFS2_MAXSYMLINKLEN)) 662 ADDSIZE(slen); 663 } 664 } 665 if (node->type == S_IFDIR) 666 ffs_size_dir(node->child, fsopts); 667 } 668 ADDSIZE(curdirsize); 669 670 if (debug & DEBUG_FS_SIZE_DIR) 671 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 672 (long long)fsopts->size, (long long)fsopts->inodes); 673 } 674 675 static void * 676 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 677 fsnode *root, fsinfo_t *fsopts) 678 { 679 size_t slen; 680 void *membuf; 681 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 682 683 memset(dinp, 0, sizeof(*dinp)); 684 dinp->di_mode = cur->inode->st.st_mode; 685 dinp->di_nlink = cur->inode->nlink; 686 dinp->di_size = cur->inode->st.st_size; 687 #if HAVE_STRUCT_STAT_ST_FLAGS 688 dinp->di_flags = cur->inode->st.st_flags; 689 #endif 690 dinp->di_gen = random(); 691 dinp->di_uid = cur->inode->st.st_uid; 692 dinp->di_gid = cur->inode->st.st_gid; 693 694 dinp->di_atime = st->st_atime; 695 dinp->di_mtime = st->st_mtime; 696 dinp->di_ctime = st->st_ctime; 697 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 698 dinp->di_atimensec = st->st_atimensec; 699 dinp->di_mtimensec = st->st_mtimensec; 700 dinp->di_ctimensec = st->st_ctimensec; 701 #endif 702 /* not set: di_db, di_ib, di_blocks, di_spare */ 703 704 membuf = NULL; 705 if (cur == root) { /* "."; write dirbuf */ 706 membuf = dbufp->buf; 707 dinp->di_size = dbufp->size; 708 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 709 dinp->di_size = 0; /* a device */ 710 dinp->di_rdev = 711 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 712 } else if (S_ISLNK(cur->type)) { /* symlink */ 713 slen = strlen(cur->symlink); 714 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 715 memcpy(dinp->di_shortlink, cur->symlink, slen); 716 } else 717 membuf = cur->symlink; 718 dinp->di_size = slen; 719 } 720 return membuf; 721 } 722 723 static void * 724 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 725 fsnode *root, fsinfo_t *fsopts) 726 { 727 size_t slen; 728 void *membuf; 729 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 730 731 memset(dinp, 0, sizeof(*dinp)); 732 dinp->di_mode = cur->inode->st.st_mode; 733 dinp->di_nlink = cur->inode->nlink; 734 dinp->di_size = cur->inode->st.st_size; 735 #if HAVE_STRUCT_STAT_ST_FLAGS 736 dinp->di_flags = cur->inode->st.st_flags; 737 #endif 738 dinp->di_gen = random(); 739 dinp->di_uid = cur->inode->st.st_uid; 740 dinp->di_gid = cur->inode->st.st_gid; 741 742 dinp->di_atime = st->st_atime; 743 dinp->di_mtime = st->st_mtime; 744 dinp->di_ctime = st->st_ctime; 745 #if HAVE_STRUCT_STAT_BIRTHTIME 746 dinp->di_birthtime = st->st_birthtime; 747 #else 748 dinp->di_birthtime = st->st_ctime; 749 #endif 750 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 751 dinp->di_atimensec = st->st_atimensec; 752 dinp->di_mtimensec = st->st_mtimensec; 753 dinp->di_ctimensec = st->st_ctimensec; 754 #if HAVE_STRUCT_STAT_BIRTHTIME 755 dinp->di_birthnsec = st->st_birthtimensec; 756 #else 757 dinp->di_birthnsec = st->st_ctimensec; 758 #endif 759 #endif 760 761 /* not set: di_db, di_ib, di_blocks, di_spare */ 762 763 membuf = NULL; 764 if (cur == root) { /* "."; write dirbuf */ 765 membuf = dbufp->buf; 766 dinp->di_size = dbufp->size; 767 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 768 dinp->di_size = 0; /* a device */ 769 dinp->di_rdev = 770 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 771 } else if (S_ISLNK(cur->type)) { /* symlink */ 772 slen = strlen(cur->symlink); 773 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 774 memcpy(dinp->di_shortlink, cur->symlink, slen); 775 } else 776 membuf = cur->symlink; 777 dinp->di_size = slen; 778 } 779 return membuf; 780 } 781 782 static int 783 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 784 { 785 fsnode *cur; 786 dirbuf_t dirbuf; 787 union dinode din; 788 void *membuf; 789 char path[MAXPATHLEN + 1]; 790 ffs_opt_t *ffs_opts = fsopts->fs_specific; 791 792 assert(dir != NULL); 793 assert(root != NULL); 794 assert(fsopts != NULL); 795 assert(ffs_opts != NULL); 796 797 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 798 799 if (debug & DEBUG_FS_POPULATE) 800 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 801 802 /* 803 * pass 1: allocate inode numbers, build directory `file' 804 */ 805 for (cur = root; cur != NULL; cur = cur->next) { 806 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 807 cur->inode->flags |= FI_ALLOCATED; 808 if (cur == root && cur->parent != NULL) 809 cur->inode->ino = cur->parent->inode->ino; 810 else { 811 cur->inode->ino = fsopts->curinode; 812 fsopts->curinode++; 813 } 814 } 815 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 816 if (cur == root) { /* we're at "."; add ".." */ 817 ffs_make_dirbuf(&dirbuf, "..", 818 cur->parent == NULL ? cur : cur->parent->first, 819 fsopts->needswap); 820 root->inode->nlink++; /* count my parent's link */ 821 } else if (cur->child != NULL) 822 root->inode->nlink++; /* count my child's link */ 823 824 /* 825 * XXX possibly write file and long symlinks here, 826 * ensuring that blocks get written before inodes? 827 * otoh, this isn't a real filesystem, so who 828 * cares about ordering? :-) 829 */ 830 } 831 if (debug & DEBUG_FS_POPULATE_DIRBUF) 832 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 833 834 /* 835 * pass 2: write out dirbuf, then non-directories at this level 836 */ 837 if (debug & DEBUG_FS_POPULATE) 838 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 839 for (cur = root; cur != NULL; cur = cur->next) { 840 if (cur->inode->flags & FI_WRITTEN) 841 continue; /* skip hard-linked entries */ 842 cur->inode->flags |= FI_WRITTEN; 843 844 if (cur->contents == NULL) { 845 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 846 cur->path, cur->name) >= (int)sizeof(path)) 847 errx(1, "Pathname too long."); 848 } 849 850 if (cur->child != NULL) 851 continue; /* child creates own inode */ 852 853 /* build on-disk inode */ 854 if (ffs_opts->version == 1) 855 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 856 root, fsopts); 857 else 858 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 859 root, fsopts); 860 861 if (debug & DEBUG_FS_POPULATE_NODE) { 862 printf("ffs_populate_dir: writing ino %d, %s", 863 cur->inode->ino, inode_type(cur->type)); 864 if (cur->inode->nlink > 1) 865 printf(", nlink %d", cur->inode->nlink); 866 putchar('\n'); 867 } 868 869 if (membuf != NULL) { 870 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 871 } else if (S_ISREG(cur->type)) { 872 ffs_write_file(&din, cur->inode->ino, 873 (cur->contents) ? cur->contents : path, fsopts); 874 } else { 875 assert (! S_ISDIR(cur->type)); 876 ffs_write_inode(&din, cur->inode->ino, fsopts); 877 } 878 } 879 880 /* 881 * pass 3: write out sub-directories 882 */ 883 if (debug & DEBUG_FS_POPULATE) 884 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 885 for (cur = root; cur != NULL; cur = cur->next) { 886 if (cur->child == NULL) 887 continue; 888 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 889 cur->name) >= sizeof(path)) 890 errx(1, "Pathname too long."); 891 if (! ffs_populate_dir(path, cur->child, fsopts)) 892 return (0); 893 } 894 895 if (debug & DEBUG_FS_POPULATE) 896 printf("ffs_populate_dir: DONE dir %s\n", dir); 897 898 /* cleanup */ 899 if (dirbuf.buf != NULL) 900 free(dirbuf.buf); 901 return (1); 902 } 903 904 905 static void 906 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 907 { 908 int isfile, ffd; 909 char *fbuf, *p; 910 off_t bufleft, chunk, offset; 911 ssize_t nread; 912 struct inode in; 913 struct m_buf * bp; 914 ffs_opt_t *ffs_opts = fsopts->fs_specific; 915 struct m_vnode vp = { fsopts, NULL }; 916 917 assert (din != NULL); 918 assert (buf != NULL); 919 assert (fsopts != NULL); 920 assert (ffs_opts != NULL); 921 922 isfile = S_ISREG(DIP(din, mode)); 923 fbuf = NULL; 924 ffd = -1; 925 p = NULL; 926 927 in.i_fs = (struct fs *)fsopts->superblock; 928 in.i_devvp = (void *)&vp; 929 930 if (debug & DEBUG_FS_WRITE_FILE) { 931 printf( 932 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 933 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 934 (long long)DIP(din, size)); 935 if (isfile) 936 printf(", file '%s'\n", (char *)buf); 937 else 938 printf(", buffer %p\n", buf); 939 } 940 941 in.i_number = ino; 942 in.i_size = DIP(din, size); 943 if (ffs_opts->version == 1) 944 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 945 sizeof(in.i_din.ffs1_din)); 946 else 947 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 948 sizeof(in.i_din.ffs2_din)); 949 950 if (DIP(din, size) == 0) 951 goto write_inode_and_leave; /* mmm, cheating */ 952 953 if (isfile) { 954 fbuf = emalloc(ffs_opts->bsize); 955 if ((ffd = open((char *)buf, O_RDONLY)) == -1) { 956 err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf); 957 } 958 } else { 959 p = buf; 960 } 961 962 chunk = 0; 963 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 964 chunk = MIN(bufleft, ffs_opts->bsize); 965 if (!isfile) 966 ; 967 else if ((nread = read(ffd, fbuf, chunk)) == -1) 968 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 969 (char *)buf, (long long)bufleft); 970 else if (nread != chunk) 971 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 972 "read %zd bytes, expected %ju bytes, does " 973 "metalog size= attribute mismatch source size?", 974 (char *)buf, (long long)bufleft, nread, 975 (uintmax_t)chunk); 976 else 977 p = fbuf; 978 offset = DIP(din, size) - bufleft; 979 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 980 printf( 981 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 982 p, (long long)offset, 983 (long long)chunk, (long long)bufleft); 984 /* 985 * XXX if holey support is desired, do the check here 986 * 987 * XXX might need to write out last bit in fragroundup 988 * sized chunk. however, ffs_balloc() handles this for us 989 */ 990 errno = ffs_balloc(&in, offset, chunk, &bp); 991 bad_ffs_write_file: 992 if (errno != 0) 993 err(1, 994 "Writing inode %d (%s), bytes %lld + %lld", 995 ino, 996 isfile ? (char *)buf : 997 inode_type(DIP(din, mode) & S_IFMT), 998 (long long)offset, (long long)chunk); 999 memcpy(bp->b_data, p, chunk); 1000 errno = bwrite(bp); 1001 if (errno != 0) 1002 goto bad_ffs_write_file; 1003 if (!isfile) 1004 p += chunk; 1005 } 1006 1007 write_inode_and_leave: 1008 ffs_write_inode(&in.i_din, in.i_number, fsopts); 1009 if (fbuf) 1010 free(fbuf); 1011 if (ffd != -1) 1012 close(ffd); 1013 } 1014 1015 1016 static void 1017 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 1018 { 1019 doff_t i; 1020 struct direct *de; 1021 uint16_t reclen; 1022 1023 assert (dbuf != NULL); 1024 assert (dir != NULL); 1025 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1026 dir, dbuf->size, dbuf->cur); 1027 1028 for (i = 0; i < dbuf->size; ) { 1029 de = (struct direct *)(dbuf->buf + i); 1030 reclen = ufs_rw16(de->d_reclen, needswap); 1031 printf( 1032 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1033 ufs_rw32(de->d_ino, needswap), 1034 inode_type(DTTOIF(de->d_type)), i, reclen, 1035 de->d_namlen, de->d_name); 1036 i += reclen; 1037 assert(reclen > 0); 1038 } 1039 } 1040 1041 static void 1042 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1043 { 1044 struct direct de, *dp; 1045 uint16_t llen, reclen; 1046 u_char *newbuf; 1047 1048 assert (dbuf != NULL); 1049 assert (name != NULL); 1050 assert (node != NULL); 1051 /* create direct entry */ 1052 (void)memset(&de, 0, sizeof(de)); 1053 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1054 de.d_type = IFTODT(node->type); 1055 de.d_namlen = (uint8_t)strlen(name); 1056 strcpy(de.d_name, name); 1057 reclen = DIRSIZ_SWAP(0, &de, needswap); 1058 de.d_reclen = ufs_rw16(reclen, needswap); 1059 1060 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1061 llen = 0; 1062 if (dp != NULL) 1063 llen = DIRSIZ_SWAP(0, dp, needswap); 1064 1065 if (debug & DEBUG_FS_MAKE_DIRBUF) 1066 printf( 1067 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1068 " ino %d type %d reclen %d namlen %d name %.30s\n", 1069 dbuf->size, dbuf->cur, llen, 1070 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1071 de.d_namlen, de.d_name); 1072 1073 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1074 if (debug & DEBUG_FS_MAKE_DIRBUF) 1075 printf("ffs_make_dirbuf: growing buf to %d\n", 1076 dbuf->size + DIRBLKSIZ); 1077 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1078 dbuf->buf = newbuf; 1079 dbuf->size += DIRBLKSIZ; 1080 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1081 dbuf->cur = dbuf->size - DIRBLKSIZ; 1082 } else if (dp) { /* shrink end of previous */ 1083 dp->d_reclen = ufs_rw16(llen,needswap); 1084 dbuf->cur += llen; 1085 } 1086 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1087 memcpy(dp, &de, reclen); 1088 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1089 } 1090 1091 /* 1092 * cribbed from sys/ufs/ffs/ffs_alloc.c 1093 */ 1094 static void 1095 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1096 { 1097 char *buf; 1098 struct ufs1_dinode *dp1; 1099 struct ufs2_dinode *dp2, *dip; 1100 struct cg *cgp; 1101 struct fs *fs; 1102 int cg, cgino; 1103 uint32_t i; 1104 daddr_t d; 1105 char sbbuf[FFS_MAXBSIZE]; 1106 uint32_t initediblk; 1107 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1108 1109 assert (dp != NULL); 1110 assert (ino > 0); 1111 assert (fsopts != NULL); 1112 assert (ffs_opts != NULL); 1113 1114 fs = (struct fs *)fsopts->superblock; 1115 cg = ino_to_cg(fs, ino); 1116 cgino = ino % fs->fs_ipg; 1117 if (debug & DEBUG_FS_WRITE_INODE) 1118 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1119 dp, ino, cg, cgino); 1120 1121 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1122 fsopts); 1123 cgp = (struct cg *)sbbuf; 1124 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1125 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1126 1127 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1128 1129 buf = emalloc(fs->fs_bsize); 1130 dp1 = (struct ufs1_dinode *)buf; 1131 dp2 = (struct ufs2_dinode *)buf; 1132 1133 if (fs->fs_cstotal.cs_nifree == 0) 1134 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1135 ino); 1136 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1137 errx(1, 1138 "ffs_write_inode: cg %d out of inodes for ino %u", 1139 cg, ino); 1140 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1141 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1142 fs->fs_cstotal.cs_nifree--; 1143 fs->fs_cs(fs, cg).cs_nifree--; 1144 if (S_ISDIR(DIP(dp, mode))) { 1145 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1146 fs->fs_cstotal.cs_ndir++; 1147 fs->fs_cs(fs, cg).cs_ndir++; 1148 } 1149 1150 /* 1151 * Initialize inode blocks on the fly for UFS2. 1152 */ 1153 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1154 while (ffs_opts->version == 2 && cgino + 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 < INOPB(fs); i++) { 1159 dip->di_gen = random(); 1160 dip++; 1161 } 1162 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1163 cg * fs->fs_ipg + initediblk)), 1164 fs->fs_bsize, buf, fsopts); 1165 initediblk += INOPB(fs); 1166 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1167 } 1168 1169 1170 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1171 fsopts); 1172 1173 /* now write inode */ 1174 d = 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(1); 1202 } 1203