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)->ffs1_din.di_##field : (dp)->ffs2_din.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 (ffs_opts->fsize == -1) 342 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 343 if (ffs_opts->bsize == -1) 344 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 345 if (ffs_opts->cpg == -1) 346 ffs_opts->cpg = DFL_CYLSPERGROUP; 347 else 348 ffs_opts->cpgflg = 1; 349 /* fsopts->density is set below */ 350 if (ffs_opts->nsectors == -1) 351 ffs_opts->nsectors = DFL_NSECTORS; 352 if (ffs_opts->minfree == -1) 353 ffs_opts->minfree = MINFREE; 354 if (ffs_opts->optimization == -1) 355 ffs_opts->optimization = DEFAULTOPT; 356 if (ffs_opts->maxcontig == -1) 357 ffs_opts->maxcontig = 358 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 359 /* XXX ondisk32 */ 360 if (ffs_opts->maxbpg == -1) 361 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 362 if (ffs_opts->avgfilesize == -1) 363 ffs_opts->avgfilesize = AVFILESIZ; 364 if (ffs_opts->avgfpdir == -1) 365 ffs_opts->avgfpdir = AFPDIR; 366 367 if (fsopts->maxsize > 0 && 368 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 369 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 370 "exceeds maxsize %lld. Lower bsize, or round the minimum " 371 "and maximum sizes to bsize.", dir, 372 (long long)fsopts->minsize, ffs_opts->bsize, 373 (long long)fsopts->maxsize); 374 375 /* calculate size of tree */ 376 ffs_size_dir(root, fsopts); 377 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 378 379 if (debug & DEBUG_FS_VALIDATE) 380 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 381 (long long)fsopts->size, (long long)fsopts->inodes); 382 383 /* add requested slop */ 384 fsopts->size += fsopts->freeblocks; 385 fsopts->inodes += fsopts->freefiles; 386 if (fsopts->freefilepc > 0) 387 fsopts->inodes = 388 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 389 if (fsopts->freeblockpc > 0) 390 fsopts->size = 391 fsopts->size * (100 + fsopts->freeblockpc) / 100; 392 393 /* 394 * Add space needed for superblock, cylblock and to store inodes. 395 * All of those segments are aligned to the block size. 396 * XXX: This has to match calculations done in ffs_mkfs. 397 */ 398 if (ffs_opts->version == 1) { 399 fsopts->size += 400 roundup(SBLOCK_UFS1 + SBLOCKSIZE, ffs_opts->bsize); 401 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 402 fsopts->size += ffs_opts->bsize; 403 fsopts->size += DINODE1_SIZE * 404 roundup(fsopts->inodes, ffs_opts->bsize / DINODE1_SIZE); 405 } else { 406 fsopts->size += 407 roundup(SBLOCK_UFS2 + SBLOCKSIZE, ffs_opts->bsize); 408 fsopts->size += roundup(SBLOCKSIZE, ffs_opts->bsize); 409 fsopts->size += ffs_opts->bsize; 410 fsopts->size += DINODE2_SIZE * 411 roundup(fsopts->inodes, ffs_opts->bsize / DINODE2_SIZE); 412 } 413 414 /* add minfree */ 415 if (ffs_opts->minfree > 0) 416 fsopts->size = 417 fsopts->size * (100 + ffs_opts->minfree) / 100; 418 /* 419 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 420 */ 421 422 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 423 fsopts->size = fsopts->minsize; 424 425 /* round up to the next block */ 426 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 427 428 /* round up to requested block size, if any */ 429 if (fsopts->roundup > 0) 430 fsopts->size = roundup(fsopts->size, fsopts->roundup); 431 432 /* calculate density to just fit inodes if no free space */ 433 if (ffs_opts->density == -1) 434 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 435 436 if (debug & DEBUG_FS_VALIDATE) { 437 printf("ffs_validate: after defaults set:\n"); 438 ffs_dump_fsinfo(fsopts); 439 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 440 dir, (long long)fsopts->size, (long long)fsopts->inodes); 441 } 442 /* now check calculated sizes vs requested sizes */ 443 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 444 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 445 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 446 } 447 } 448 449 450 static void 451 ffs_dump_fsinfo(fsinfo_t *f) 452 { 453 454 ffs_opt_t *fs = f->fs_specific; 455 456 printf("fsopts at %p\n", f); 457 458 printf("\tsize %lld, inodes %lld, curinode %u\n", 459 (long long)f->size, (long long)f->inodes, f->curinode); 460 461 printf("\tminsize %lld, maxsize %lld\n", 462 (long long)f->minsize, (long long)f->maxsize); 463 printf("\tfree files %lld, freefile %% %d\n", 464 (long long)f->freefiles, f->freefilepc); 465 printf("\tfree blocks %lld, freeblock %% %d\n", 466 (long long)f->freeblocks, f->freeblockpc); 467 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 468 469 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 470 fs->bsize, fs->fsize, fs->cpg, fs->density); 471 printf("\tnsectors %d, rpm %d, minfree %d\n", 472 fs->nsectors, fs->rpm, fs->minfree); 473 printf("\tmaxcontig %d, maxbpg %d\n", 474 fs->maxcontig, fs->maxbpg); 475 printf("\toptimization %s\n", 476 fs->optimization == FS_OPTSPACE ? "space" : "time"); 477 } 478 479 480 static int 481 ffs_create_image(const char *image, fsinfo_t *fsopts) 482 { 483 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 484 struct statvfs sfs; 485 #endif 486 struct fs *fs; 487 char *buf; 488 int i, bufsize; 489 off_t bufrem; 490 int oflags = O_RDWR | O_CREAT; 491 time_t tstamp; 492 493 assert (image != NULL); 494 assert (fsopts != NULL); 495 496 /* create image */ 497 if (fsopts->offset == 0) 498 oflags |= O_TRUNC; 499 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 500 warn("Can't open `%s' for writing", image); 501 return (-1); 502 } 503 504 /* zero image */ 505 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 506 if (fstatvfs(fsopts->fd, &sfs) == -1) { 507 #endif 508 bufsize = 8192; 509 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 510 warn("can't fstatvfs `%s', using default %d byte chunk", 511 image, bufsize); 512 } else 513 bufsize = sfs.f_iosize; 514 #endif 515 bufrem = fsopts->size; 516 if (fsopts->sparse) { 517 if (ftruncate(fsopts->fd, bufrem) == -1) { 518 warn("sparse option disabled."); 519 fsopts->sparse = 0; 520 } 521 } 522 if (fsopts->sparse) { 523 /* File truncated at bufrem. Remaining is 0 */ 524 bufrem = 0; 525 buf = NULL; 526 } else { 527 if (debug & DEBUG_FS_CREATE_IMAGE) 528 printf("zero-ing image `%s', %lld sectors, " 529 "using %d byte chunks\n", image, (long long)bufrem, 530 bufsize); 531 buf = ecalloc(1, bufsize); 532 } 533 534 if (fsopts->offset != 0) 535 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 536 warn("can't seek"); 537 free(buf); 538 return -1; 539 } 540 541 while (bufrem > 0) { 542 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 543 if (i == -1) { 544 warn("zeroing image, %lld bytes to go", 545 (long long)bufrem); 546 free(buf); 547 return (-1); 548 } 549 bufrem -= i; 550 } 551 if (buf) 552 free(buf); 553 554 /* make the file system */ 555 if (debug & DEBUG_FS_CREATE_IMAGE) 556 printf("calling mkfs(\"%s\", ...)\n", image); 557 558 if (stampst.st_ino != 0) 559 tstamp = stampst.st_ctime; 560 else 561 tstamp = start_time.tv_sec; 562 563 srandom(tstamp); 564 565 fs = ffs_mkfs(image, fsopts, tstamp); 566 fsopts->superblock = (void *)fs; 567 if (debug & DEBUG_FS_CREATE_IMAGE) { 568 time_t t; 569 570 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 571 printf("mkfs returned %p; fs_time %s", 572 fsopts->superblock, ctime(&t)); 573 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 574 (long long)fs->fs_cstotal.cs_nbfree, 575 (long long)fs->fs_cstotal.cs_nffree, 576 (long long)fs->fs_cstotal.cs_nifree, 577 (long long)fs->fs_cstotal.cs_ndir); 578 } 579 580 if (fs->fs_cstotal.cs_nifree + (off_t)UFS_ROOTINO < fsopts->inodes) { 581 warnx( 582 "Image file `%s' has %lld free inodes; %lld are required.", 583 image, 584 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 585 (long long)fsopts->inodes); 586 return (-1); 587 } 588 return (fsopts->fd); 589 } 590 591 592 static void 593 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 594 { 595 struct direct tmpdir; 596 fsnode * node; 597 int curdirsize, this; 598 ffs_opt_t *ffs_opts = fsopts->fs_specific; 599 600 /* node may be NULL (empty directory) */ 601 assert(fsopts != NULL); 602 assert(ffs_opts != NULL); 603 604 if (debug & DEBUG_FS_SIZE_DIR) 605 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 606 (long long)fsopts->size, (long long)fsopts->inodes); 607 608 #define ADDDIRENT(e) do { \ 609 tmpdir.d_namlen = strlen((e)); \ 610 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 611 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 612 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 613 e, tmpdir.d_namlen, this, curdirsize); \ 614 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 615 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 616 curdirsize += this; \ 617 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 618 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 619 e, tmpdir.d_namlen, this, curdirsize); \ 620 } while (0); 621 622 #define ADDSIZE(x) do { \ 623 if ((size_t)(x) < UFS_NDADDR * (size_t)ffs_opts->bsize) { \ 624 fsopts->size += roundup((x), ffs_opts->fsize); \ 625 } else { \ 626 /* Count space consumed by indirecttion blocks. */ \ 627 fsopts->size += ffs_opts->bsize * \ 628 (howmany((x), UFS_NDADDR * ffs_opts->bsize) - 1); \ 629 /* \ 630 * If the file is big enough to use indirect blocks, \ 631 * we allocate bsize block for trailing data. \ 632 */ \ 633 fsopts->size += roundup((x), ffs_opts->bsize); \ 634 } \ 635 } while (0); 636 637 curdirsize = 0; 638 for (node = root; node != NULL; node = node->next) { 639 ADDDIRENT(node->name); 640 if (node == root) { /* we're at "." */ 641 assert(strcmp(node->name, ".") == 0); 642 ADDDIRENT(".."); 643 } else if ((node->inode->flags & FI_SIZED) == 0) { 644 /* don't count duplicate names */ 645 node->inode->flags |= FI_SIZED; 646 if (debug & DEBUG_FS_SIZE_DIR_NODE) 647 printf("ffs_size_dir: `%s' size %lld\n", 648 node->name, 649 (long long)node->inode->st.st_size); 650 fsopts->inodes++; 651 if (node->type == S_IFREG) 652 ADDSIZE(node->inode->st.st_size); 653 if (node->type == S_IFLNK) { 654 size_t slen; 655 656 slen = strlen(node->symlink) + 1; 657 if (slen >= (ffs_opts->version == 1 ? 658 UFS1_MAXSYMLINKLEN : 659 UFS2_MAXSYMLINKLEN)) 660 ADDSIZE(slen); 661 } 662 } 663 if (node->type == S_IFDIR) 664 ffs_size_dir(node->child, fsopts); 665 } 666 ADDSIZE(curdirsize); 667 668 if (debug & DEBUG_FS_SIZE_DIR) 669 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 670 (long long)fsopts->size, (long long)fsopts->inodes); 671 } 672 673 static void * 674 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 675 fsnode *root, fsinfo_t *fsopts) 676 { 677 size_t slen; 678 void *membuf; 679 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 680 681 memset(dinp, 0, sizeof(*dinp)); 682 dinp->di_mode = cur->inode->st.st_mode; 683 dinp->di_nlink = cur->inode->nlink; 684 dinp->di_size = cur->inode->st.st_size; 685 #if HAVE_STRUCT_STAT_ST_FLAGS 686 dinp->di_flags = cur->inode->st.st_flags; 687 #endif 688 dinp->di_gen = random(); 689 dinp->di_uid = cur->inode->st.st_uid; 690 dinp->di_gid = cur->inode->st.st_gid; 691 692 dinp->di_atime = st->st_atime; 693 dinp->di_mtime = st->st_mtime; 694 dinp->di_ctime = st->st_ctime; 695 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 696 dinp->di_atimensec = st->st_atimensec; 697 dinp->di_mtimensec = st->st_mtimensec; 698 dinp->di_ctimensec = st->st_ctimensec; 699 #endif 700 /* not set: di_db, di_ib, di_blocks, di_spare */ 701 702 membuf = NULL; 703 if (cur == root) { /* "."; write dirbuf */ 704 membuf = dbufp->buf; 705 dinp->di_size = dbufp->size; 706 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 707 dinp->di_size = 0; /* a device */ 708 dinp->di_rdev = 709 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 710 } else if (S_ISLNK(cur->type)) { /* symlink */ 711 slen = strlen(cur->symlink); 712 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 713 memcpy(dinp->di_shortlink, cur->symlink, slen); 714 } else 715 membuf = cur->symlink; 716 dinp->di_size = slen; 717 } 718 return membuf; 719 } 720 721 static void * 722 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 723 fsnode *root, fsinfo_t *fsopts) 724 { 725 size_t slen; 726 void *membuf; 727 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 728 729 memset(dinp, 0, sizeof(*dinp)); 730 dinp->di_mode = cur->inode->st.st_mode; 731 dinp->di_nlink = cur->inode->nlink; 732 dinp->di_size = cur->inode->st.st_size; 733 #if HAVE_STRUCT_STAT_ST_FLAGS 734 dinp->di_flags = cur->inode->st.st_flags; 735 #endif 736 dinp->di_gen = random(); 737 dinp->di_uid = cur->inode->st.st_uid; 738 dinp->di_gid = cur->inode->st.st_gid; 739 740 dinp->di_atime = st->st_atime; 741 dinp->di_mtime = st->st_mtime; 742 dinp->di_ctime = st->st_ctime; 743 #if HAVE_STRUCT_STAT_BIRTHTIME 744 dinp->di_birthtime = st->st_birthtime; 745 #else 746 dinp->di_birthtime = st->st_ctime; 747 #endif 748 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 749 dinp->di_atimensec = st->st_atimensec; 750 dinp->di_mtimensec = st->st_mtimensec; 751 dinp->di_ctimensec = st->st_ctimensec; 752 #if HAVE_STRUCT_STAT_BIRTHTIME 753 dinp->di_birthnsec = st->st_birthtimensec; 754 #else 755 dinp->di_birthnsec = st->st_ctimensec; 756 #endif 757 #endif 758 759 /* not set: di_db, di_ib, di_blocks, di_spare */ 760 761 membuf = NULL; 762 if (cur == root) { /* "."; write dirbuf */ 763 membuf = dbufp->buf; 764 dinp->di_size = dbufp->size; 765 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 766 dinp->di_size = 0; /* a device */ 767 dinp->di_rdev = 768 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 769 } else if (S_ISLNK(cur->type)) { /* symlink */ 770 slen = strlen(cur->symlink); 771 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 772 memcpy(dinp->di_shortlink, cur->symlink, slen); 773 } else 774 membuf = cur->symlink; 775 dinp->di_size = slen; 776 } 777 return membuf; 778 } 779 780 static int 781 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 782 { 783 fsnode *cur; 784 dirbuf_t dirbuf; 785 union dinode din; 786 void *membuf; 787 char path[MAXPATHLEN + 1]; 788 ffs_opt_t *ffs_opts = fsopts->fs_specific; 789 790 assert(dir != NULL); 791 assert(root != NULL); 792 assert(fsopts != NULL); 793 assert(ffs_opts != NULL); 794 795 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 796 797 if (debug & DEBUG_FS_POPULATE) 798 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 799 800 /* 801 * pass 1: allocate inode numbers, build directory `file' 802 */ 803 for (cur = root; cur != NULL; cur = cur->next) { 804 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 805 cur->inode->flags |= FI_ALLOCATED; 806 if (cur == root && cur->parent != NULL) 807 cur->inode->ino = cur->parent->inode->ino; 808 else { 809 cur->inode->ino = fsopts->curinode; 810 fsopts->curinode++; 811 } 812 } 813 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 814 if (cur == root) { /* we're at "."; add ".." */ 815 ffs_make_dirbuf(&dirbuf, "..", 816 cur->parent == NULL ? cur : cur->parent->first, 817 fsopts->needswap); 818 root->inode->nlink++; /* count my parent's link */ 819 } else if (cur->child != NULL) 820 root->inode->nlink++; /* count my child's link */ 821 822 /* 823 * XXX possibly write file and long symlinks here, 824 * ensuring that blocks get written before inodes? 825 * otoh, this isn't a real filesystem, so who 826 * cares about ordering? :-) 827 */ 828 } 829 if (debug & DEBUG_FS_POPULATE_DIRBUF) 830 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 831 832 /* 833 * pass 2: write out dirbuf, then non-directories at this level 834 */ 835 if (debug & DEBUG_FS_POPULATE) 836 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 837 for (cur = root; cur != NULL; cur = cur->next) { 838 if (cur->inode->flags & FI_WRITTEN) 839 continue; /* skip hard-linked entries */ 840 cur->inode->flags |= FI_WRITTEN; 841 842 if (cur->contents == NULL) { 843 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 844 cur->path, cur->name) >= (int)sizeof(path)) 845 errx(1, "Pathname too long."); 846 } 847 848 if (cur->child != NULL) 849 continue; /* child creates own inode */ 850 851 /* build on-disk inode */ 852 if (ffs_opts->version == 1) 853 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 854 root, fsopts); 855 else 856 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 857 root, fsopts); 858 859 if (debug & DEBUG_FS_POPULATE_NODE) { 860 printf("ffs_populate_dir: writing ino %d, %s", 861 cur->inode->ino, inode_type(cur->type)); 862 if (cur->inode->nlink > 1) 863 printf(", nlink %d", cur->inode->nlink); 864 putchar('\n'); 865 } 866 867 if (membuf != NULL) { 868 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 869 } else if (S_ISREG(cur->type)) { 870 ffs_write_file(&din, cur->inode->ino, 871 (cur->contents) ? cur->contents : path, fsopts); 872 } else { 873 assert (! S_ISDIR(cur->type)); 874 ffs_write_inode(&din, cur->inode->ino, fsopts); 875 } 876 } 877 878 /* 879 * pass 3: write out sub-directories 880 */ 881 if (debug & DEBUG_FS_POPULATE) 882 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 883 for (cur = root; cur != NULL; cur = cur->next) { 884 if (cur->child == NULL) 885 continue; 886 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 887 cur->name) >= sizeof(path)) 888 errx(1, "Pathname too long."); 889 if (! ffs_populate_dir(path, cur->child, fsopts)) 890 return (0); 891 } 892 893 if (debug & DEBUG_FS_POPULATE) 894 printf("ffs_populate_dir: DONE dir %s\n", dir); 895 896 /* cleanup */ 897 if (dirbuf.buf != NULL) 898 free(dirbuf.buf); 899 return (1); 900 } 901 902 903 static void 904 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 905 { 906 int isfile, ffd; 907 char *fbuf, *p; 908 off_t bufleft, chunk, offset; 909 ssize_t nread; 910 struct inode in; 911 struct m_buf * bp; 912 ffs_opt_t *ffs_opts = fsopts->fs_specific; 913 struct m_vnode vp = { fsopts, NULL }; 914 915 assert (din != NULL); 916 assert (buf != NULL); 917 assert (fsopts != NULL); 918 assert (ffs_opts != NULL); 919 920 isfile = S_ISREG(DIP(din, mode)); 921 fbuf = NULL; 922 ffd = -1; 923 p = NULL; 924 925 in.i_fs = (struct fs *)fsopts->superblock; 926 in.i_devvp = (void *)&vp; 927 928 if (debug & DEBUG_FS_WRITE_FILE) { 929 printf( 930 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 931 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 932 (long long)DIP(din, size)); 933 if (isfile) 934 printf(", file '%s'\n", (char *)buf); 935 else 936 printf(", buffer %p\n", buf); 937 } 938 939 in.i_number = ino; 940 in.i_size = DIP(din, size); 941 if (ffs_opts->version == 1) 942 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 943 sizeof(in.i_din.ffs1_din)); 944 else 945 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 946 sizeof(in.i_din.ffs2_din)); 947 948 if (DIP(din, size) == 0) 949 goto write_inode_and_leave; /* mmm, cheating */ 950 951 if (isfile) { 952 fbuf = emalloc(ffs_opts->bsize); 953 if ((ffd = open((char *)buf, O_RDONLY)) == -1) { 954 err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf); 955 } 956 } else { 957 p = buf; 958 } 959 960 chunk = 0; 961 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 962 chunk = MIN(bufleft, ffs_opts->bsize); 963 if (!isfile) 964 ; 965 else if ((nread = read(ffd, fbuf, chunk)) == -1) 966 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 967 (char *)buf, (long long)bufleft); 968 else if (nread != chunk) 969 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 970 "read %zd bytes, expected %ju bytes, does " 971 "metalog size= attribute mismatch source size?", 972 (char *)buf, (long long)bufleft, nread, 973 (uintmax_t)chunk); 974 else 975 p = fbuf; 976 offset = DIP(din, size) - bufleft; 977 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 978 printf( 979 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 980 p, (long long)offset, 981 (long long)chunk, (long long)bufleft); 982 /* 983 * XXX if holey support is desired, do the check here 984 * 985 * XXX might need to write out last bit in fragroundup 986 * sized chunk. however, ffs_balloc() handles this for us 987 */ 988 errno = ffs_balloc(&in, offset, chunk, &bp); 989 bad_ffs_write_file: 990 if (errno != 0) 991 err(1, 992 "Writing inode %d (%s), bytes %lld + %lld", 993 ino, 994 isfile ? (char *)buf : 995 inode_type(DIP(din, mode) & S_IFMT), 996 (long long)offset, (long long)chunk); 997 memcpy(bp->b_data, p, chunk); 998 errno = bwrite(bp); 999 if (errno != 0) 1000 goto bad_ffs_write_file; 1001 if (!isfile) 1002 p += chunk; 1003 } 1004 1005 write_inode_and_leave: 1006 ffs_write_inode(&in.i_din, in.i_number, fsopts); 1007 if (fbuf) 1008 free(fbuf); 1009 if (ffd != -1) 1010 close(ffd); 1011 } 1012 1013 1014 static void 1015 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 1016 { 1017 doff_t i; 1018 struct direct *de; 1019 uint16_t reclen; 1020 1021 assert (dbuf != NULL); 1022 assert (dir != NULL); 1023 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1024 dir, dbuf->size, dbuf->cur); 1025 1026 for (i = 0; i < dbuf->size; ) { 1027 de = (struct direct *)(dbuf->buf + i); 1028 reclen = ufs_rw16(de->d_reclen, needswap); 1029 printf( 1030 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1031 ufs_rw32(de->d_ino, needswap), 1032 inode_type(DTTOIF(de->d_type)), i, reclen, 1033 de->d_namlen, de->d_name); 1034 i += reclen; 1035 assert(reclen > 0); 1036 } 1037 } 1038 1039 static void 1040 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1041 { 1042 struct direct de, *dp; 1043 uint16_t llen, reclen; 1044 u_char *newbuf; 1045 1046 assert (dbuf != NULL); 1047 assert (name != NULL); 1048 assert (node != NULL); 1049 /* create direct entry */ 1050 (void)memset(&de, 0, sizeof(de)); 1051 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1052 de.d_type = IFTODT(node->type); 1053 de.d_namlen = (uint8_t)strlen(name); 1054 strcpy(de.d_name, name); 1055 reclen = DIRSIZ_SWAP(0, &de, needswap); 1056 de.d_reclen = ufs_rw16(reclen, needswap); 1057 1058 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1059 llen = 0; 1060 if (dp != NULL) 1061 llen = DIRSIZ_SWAP(0, dp, needswap); 1062 1063 if (debug & DEBUG_FS_MAKE_DIRBUF) 1064 printf( 1065 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1066 " ino %d type %d reclen %d namlen %d name %.30s\n", 1067 dbuf->size, dbuf->cur, llen, 1068 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1069 de.d_namlen, de.d_name); 1070 1071 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1072 if (debug & DEBUG_FS_MAKE_DIRBUF) 1073 printf("ffs_make_dirbuf: growing buf to %d\n", 1074 dbuf->size + DIRBLKSIZ); 1075 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1076 dbuf->buf = newbuf; 1077 dbuf->size += DIRBLKSIZ; 1078 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1079 dbuf->cur = dbuf->size - DIRBLKSIZ; 1080 } else if (dp) { /* shrink end of previous */ 1081 dp->d_reclen = ufs_rw16(llen,needswap); 1082 dbuf->cur += llen; 1083 } 1084 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1085 memcpy(dp, &de, reclen); 1086 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1087 } 1088 1089 /* 1090 * cribbed from sys/ufs/ffs/ffs_alloc.c 1091 */ 1092 static void 1093 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1094 { 1095 char *buf; 1096 struct ufs1_dinode *dp1; 1097 struct ufs2_dinode *dp2, *dip; 1098 struct cg *cgp; 1099 struct fs *fs; 1100 int cg, cgino; 1101 uint32_t i; 1102 daddr_t d; 1103 char sbbuf[FFS_MAXBSIZE]; 1104 uint32_t initediblk; 1105 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1106 1107 assert (dp != NULL); 1108 assert (ino > 0); 1109 assert (fsopts != NULL); 1110 assert (ffs_opts != NULL); 1111 1112 fs = (struct fs *)fsopts->superblock; 1113 cg = ino_to_cg(fs, ino); 1114 cgino = ino % fs->fs_ipg; 1115 if (debug & DEBUG_FS_WRITE_INODE) 1116 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1117 dp, ino, cg, cgino); 1118 1119 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1120 fsopts); 1121 cgp = (struct cg *)sbbuf; 1122 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1123 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1124 1125 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1126 1127 buf = emalloc(fs->fs_bsize); 1128 dp1 = (struct ufs1_dinode *)buf; 1129 dp2 = (struct ufs2_dinode *)buf; 1130 1131 if (fs->fs_cstotal.cs_nifree == 0) 1132 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1133 ino); 1134 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1135 errx(1, 1136 "ffs_write_inode: cg %d out of inodes for ino %u", 1137 cg, ino); 1138 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1139 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1140 fs->fs_cstotal.cs_nifree--; 1141 fs->fs_cs(fs, cg).cs_nifree--; 1142 if (S_ISDIR(DIP(dp, mode))) { 1143 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1144 fs->fs_cstotal.cs_ndir++; 1145 fs->fs_cs(fs, cg).cs_ndir++; 1146 } 1147 1148 /* 1149 * Initialize inode blocks on the fly for UFS2. 1150 */ 1151 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1152 while (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1153 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1154 memset(buf, 0, fs->fs_bsize); 1155 dip = (struct ufs2_dinode *)buf; 1156 for (i = 0; i < INOPB(fs); i++) { 1157 dip->di_gen = random(); 1158 dip++; 1159 } 1160 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1161 cg * fs->fs_ipg + initediblk)), 1162 fs->fs_bsize, buf, fsopts); 1163 initediblk += INOPB(fs); 1164 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1165 } 1166 1167 1168 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1169 fsopts); 1170 1171 /* now write inode */ 1172 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1173 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1174 if (fsopts->needswap) { 1175 if (ffs_opts->version == 1) 1176 ffs_dinode1_swap(&dp->ffs1_din, 1177 &dp1[ino_to_fsbo(fs, ino)]); 1178 else 1179 ffs_dinode2_swap(&dp->ffs2_din, 1180 &dp2[ino_to_fsbo(fs, ino)]); 1181 } else { 1182 if (ffs_opts->version == 1) 1183 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1184 else 1185 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1186 } 1187 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1188 free(buf); 1189 } 1190 1191 void 1192 panic(const char *fmt, ...) 1193 { 1194 va_list ap; 1195 1196 va_start(ap, fmt); 1197 vwarnx(fmt, ap); 1198 va_end(ap); 1199 exit(1); 1200 } 1201