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 * $FreeBSD: head/usr.sbin/makefs/ffs.c 336736 2018-07-26 13:33:10Z emaste $ 69 */ 70 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 #include "makefs.h" 92 #include "ffs.h" 93 94 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 95 #include <sys/statvfs.h> 96 #endif 97 98 #include <vfs/ufs/dinode.h> 99 #include <vfs/ufs/dir.h> 100 #include <vfs/ufs/fs.h> 101 102 103 #include "ffs/ufs_bswap.h" 104 #include "ffs/ufs_inode.h" 105 #include "ffs/newfs_extern.h" 106 #include "ffs/ffs_extern.h" 107 108 #undef DIP 109 #if 0 /* XXX UFS2 */ 110 #define DIP(dp, field) \ 111 ((ffs_opts->version == 1) ? \ 112 (dp)->ffs1_din.di_##field : (dp)->ffs2_din.di_##field) 113 #else 114 #define DIP(dp, field) (dp)->ffs1_din.di_##field 115 #endif 116 117 /* 118 * Various file system defaults (cribbed from newfs(8)). 119 */ 120 #ifdef __DragonFly__ 121 #define DFL_FRAGSIZE 2048 /* fragment size */ 122 #define DFL_BLKSIZE 16384 /* block size */ 123 #else 124 #define DFL_FRAGSIZE 4096 /* fragment size */ 125 #define DFL_BLKSIZE 32768 /* block size */ 126 #endif 127 #define DFL_SECSIZE 512 /* sector size */ 128 #define DFL_CYLSPERGROUP 65536 /* cylinders per group */ 129 #define DFL_FRAGSPERINODE 4 /* fragments per inode */ 130 #define DFL_ROTDELAY 0 /* rotational delay */ 131 #define DFL_NRPOS 1 /* rotational positions */ 132 #define DFL_RPM 3600 /* rpm of disk */ 133 #define DFL_NSECTORS 64 /* # of sectors */ 134 #define DFL_NTRACKS 16 /* # of tracks */ 135 136 137 typedef struct { 138 u_char *buf; /* buf for directory */ 139 doff_t size; /* full size of buf */ 140 doff_t cur; /* offset of current entry */ 141 } dirbuf_t; 142 143 144 static int ffs_create_image(const char *, fsinfo_t *); 145 static void ffs_dump_fsinfo(fsinfo_t *); 146 static void ffs_dump_dirbuf(dirbuf_t *, const char *, int); 147 static void ffs_make_dirbuf(dirbuf_t *, const char *, fsnode *, int); 148 static int ffs_populate_dir(const char *, fsnode *, fsinfo_t *); 149 static void ffs_size_dir(fsnode *, fsinfo_t *); 150 static void ffs_validate(const char *, fsnode *, fsinfo_t *); 151 static void ffs_write_file(union dinode *, uint32_t, void *, fsinfo_t *); 152 static void ffs_write_inode(union dinode *, uint32_t, const fsinfo_t *); 153 static void *ffs_build_dinode1(struct ufs1_dinode *, dirbuf_t *, fsnode *, 154 fsnode *, fsinfo_t *); 155 #if 0 /* XXX UFS2 */ 156 static void *ffs_build_dinode2(struct ufs2_dinode *, dirbuf_t *, fsnode *, 157 fsnode *, fsinfo_t *); 158 #endif 159 160 161 /* publicly visible functions */ 162 163 void 164 ffs_prep_opts(fsinfo_t *fsopts) 165 { 166 ffs_opt_t *ffs_opts = ecalloc(1, sizeof(*ffs_opts)); 167 168 const option_t ffs_options[] = { 169 { 'b', "bsize", &ffs_opts->bsize, OPT_INT32, 170 1, INT_MAX, "block size" }, 171 { 'f', "fsize", &ffs_opts->fsize, OPT_INT32, 172 1, INT_MAX, "fragment size" }, 173 { 'd', "density", &ffs_opts->density, OPT_INT32, 174 1, INT_MAX, "bytes per inode" }, 175 { 'm', "minfree", &ffs_opts->minfree, OPT_INT32, 176 0, 99, "minfree" }, 177 { 'M', "maxbpg", &ffs_opts->maxbpg, OPT_INT32, 178 1, INT_MAX, "max blocks per file in a cg" }, 179 { 'a', "avgfilesize", &ffs_opts->avgfilesize, OPT_INT32, 180 1, INT_MAX, "expected average file size" }, 181 { 'n', "avgfpdir", &ffs_opts->avgfpdir, OPT_INT32, 182 1, INT_MAX, "expected # of files per directory" }, 183 #ifndef __DragonFly__ 184 { 'x', "extent", &ffs_opts->maxbsize, OPT_INT32, 185 1, INT_MAX, "maximum # extent size" }, 186 #endif 187 { 'g', "maxbpcg", &ffs_opts->maxblkspercg, OPT_INT32, 188 1, INT_MAX, "max # of blocks per group" }, 189 { 'v', "version", &ffs_opts->version, OPT_INT32, 190 #ifndef __DragonFly__ 191 1, 2, "UFS version" }, 192 #else 193 1, 1, "UFS version" }, 194 #endif 195 { 'o', "optimization", NULL, OPT_STRBUF, 196 0, 0, "Optimization (time|space)" }, 197 { 'l', "label", ffs_opts->label, OPT_STRARRAY, 198 1, sizeof(ffs_opts->label), "UFS label" }, 199 { 's', "softupdates", &ffs_opts->softupdates, OPT_INT32, 200 0, 1, "enable softupdates" }, 201 { .name = NULL } 202 }; 203 204 ffs_opts->bsize= -1; 205 ffs_opts->fsize= -1; 206 ffs_opts->cpg= -1; 207 ffs_opts->density= -1; 208 ffs_opts->minfree= -1; 209 ffs_opts->optimization= -1; 210 ffs_opts->maxcontig= -1; 211 ffs_opts->maxbpg= -1; 212 ffs_opts->avgfilesize= -1; 213 ffs_opts->avgfpdir= -1; 214 ffs_opts->version = 1; 215 ffs_opts->softupdates = 0; 216 217 fsopts->fs_specific = ffs_opts; 218 fsopts->fs_options = copy_opts(ffs_options); 219 } 220 221 void 222 ffs_cleanup_opts(fsinfo_t *fsopts) 223 { 224 free(fsopts->fs_specific); 225 free(fsopts->fs_options); 226 } 227 228 int 229 ffs_parse_opts(const char *option, fsinfo_t *fsopts) 230 { 231 ffs_opt_t *ffs_opts = fsopts->fs_specific; 232 option_t *ffs_options = fsopts->fs_options; 233 char buf[1024]; 234 235 int rv; 236 237 assert(option != NULL); 238 assert(fsopts != NULL); 239 assert(ffs_opts != NULL); 240 241 if (debug & DEBUG_FS_PARSE_OPTS) 242 printf("ffs_parse_opts: got `%s'\n", option); 243 244 rv = set_option(ffs_options, option, buf, sizeof(buf)); 245 if (rv == -1) 246 return 0; 247 248 if (ffs_options[rv].name == NULL) 249 abort(); 250 251 switch (ffs_options[rv].letter) { 252 case 'o': 253 if (strcmp(buf, "time") == 0) { 254 ffs_opts->optimization = FS_OPTTIME; 255 } else if (strcmp(buf, "space") == 0) { 256 ffs_opts->optimization = FS_OPTSPACE; 257 } else { 258 warnx("Invalid optimization `%s'", buf); 259 return 0; 260 } 261 break; 262 default: 263 break; 264 } 265 return 1; 266 } 267 268 269 void 270 ffs_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 271 { 272 struct fs *superblock; 273 struct timeval start; 274 275 assert(image != NULL); 276 assert(dir != NULL); 277 assert(root != NULL); 278 assert(fsopts != NULL); 279 280 if (debug & DEBUG_FS_MAKEFS) 281 printf("ffs_makefs: image %s directory %s root %p\n", 282 image, dir, root); 283 284 /* validate tree and options */ 285 TIMER_START(start); 286 ffs_validate(dir, root, fsopts); 287 TIMER_RESULTS(start, "ffs_validate"); 288 289 printf("Calculated size of `%s': %lld bytes, %lld inodes\n", 290 image, (long long)fsopts->size, (long long)fsopts->inodes); 291 292 /* create image */ 293 TIMER_START(start); 294 if (ffs_create_image(image, fsopts) == -1) 295 errx(1, "Image file `%s' not created.", image); 296 TIMER_RESULTS(start, "ffs_create_image"); 297 298 fsopts->curinode = UFS_ROOTINO; 299 300 if (debug & DEBUG_FS_MAKEFS) 301 putchar('\n'); 302 303 /* populate image */ 304 printf("Populating `%s'\n", image); 305 TIMER_START(start); 306 if (! ffs_populate_dir(dir, root, fsopts)) 307 errx(1, "Image file `%s' not populated.", image); 308 TIMER_RESULTS(start, "ffs_populate_dir"); 309 310 /* ensure no outstanding buffers remain */ 311 if (debug & DEBUG_FS_MAKEFS) 312 bcleanup(); 313 314 /* update various superblock parameters */ 315 superblock = fsopts->superblock; 316 superblock->fs_fmod = 0; 317 #ifndef __DragonFly__ 318 superblock->fs_old_cstotal.cs_ndir = superblock->fs_cstotal.cs_ndir; 319 superblock->fs_old_cstotal.cs_nbfree = superblock->fs_cstotal.cs_nbfree; 320 superblock->fs_old_cstotal.cs_nifree = superblock->fs_cstotal.cs_nifree; 321 superblock->fs_old_cstotal.cs_nffree = superblock->fs_cstotal.cs_nffree; 322 #endif 323 324 /* write out superblock; image is now complete */ 325 ffs_write_superblock(fsopts->superblock, fsopts); 326 if (close(fsopts->fd) == -1) 327 err(1, "Closing `%s'", image); 328 fsopts->fd = -1; 329 printf("Image `%s' complete\n", image); 330 } 331 332 /* end of public functions */ 333 334 335 static void 336 ffs_validate(const char *dir, fsnode *root, fsinfo_t *fsopts) 337 { 338 int32_t ncg = 1; 339 #ifdef notyet 340 int32_t spc, nspf, ncyl, fssize; 341 #endif 342 ffs_opt_t *ffs_opts = fsopts->fs_specific; 343 344 assert(dir != NULL); 345 assert(root != NULL); 346 assert(fsopts != NULL); 347 assert(ffs_opts != NULL); 348 349 if (debug & DEBUG_FS_VALIDATE) { 350 printf("ffs_validate: before defaults set:\n"); 351 ffs_dump_fsinfo(fsopts); 352 } 353 354 /* set FFS defaults */ 355 if (fsopts->sectorsize == -1) 356 fsopts->sectorsize = DFL_SECSIZE; 357 if (ffs_opts->fsize == -1) 358 ffs_opts->fsize = MAX(DFL_FRAGSIZE, fsopts->sectorsize); 359 if (ffs_opts->bsize == -1) 360 ffs_opts->bsize = MIN(DFL_BLKSIZE, 8 * ffs_opts->fsize); 361 if (ffs_opts->cpg == -1) 362 ffs_opts->cpg = DFL_CYLSPERGROUP; 363 else 364 ffs_opts->cpgflg = 1; 365 /* fsopts->density is set below */ 366 if (ffs_opts->nsectors == -1) 367 ffs_opts->nsectors = DFL_NSECTORS; 368 if (ffs_opts->minfree == -1) 369 ffs_opts->minfree = MINFREE; 370 if (ffs_opts->optimization == -1) 371 ffs_opts->optimization = DEFAULTOPT; 372 if (ffs_opts->maxcontig == -1) 373 ffs_opts->maxcontig = 374 MAX(1, MIN(MAXPHYS, FFS_MAXBSIZE) / ffs_opts->bsize); 375 /* XXX ondisk32 */ 376 if (ffs_opts->maxbpg == -1) 377 ffs_opts->maxbpg = ffs_opts->bsize / sizeof(int32_t); 378 if (ffs_opts->avgfilesize == -1) 379 ffs_opts->avgfilesize = AVFILESIZ; 380 if (ffs_opts->avgfpdir == -1) 381 ffs_opts->avgfpdir = AFPDIR; 382 383 if (fsopts->maxsize > 0 && 384 roundup(fsopts->minsize, ffs_opts->bsize) > fsopts->maxsize) 385 errx(1, "`%s' minsize of %lld rounded up to ffs bsize of %d " 386 "exceeds maxsize %lld. Lower bsize, or round the minimum " 387 "and maximum sizes to bsize.", dir, 388 (long long)fsopts->minsize, ffs_opts->bsize, 389 (long long)fsopts->maxsize); 390 391 /* calculate size of tree */ 392 ffs_size_dir(root, fsopts); 393 fsopts->inodes += UFS_ROOTINO; /* include first two inodes */ 394 395 if (debug & DEBUG_FS_VALIDATE) 396 printf("ffs_validate: size of tree: %lld bytes, %lld inodes\n", 397 (long long)fsopts->size, (long long)fsopts->inodes); 398 399 /* add requested slop */ 400 fsopts->size += fsopts->freeblocks; 401 fsopts->inodes += fsopts->freefiles; 402 if (fsopts->freefilepc > 0) 403 fsopts->inodes = 404 fsopts->inodes * (100 + fsopts->freefilepc) / 100; 405 if (fsopts->freeblockpc > 0) 406 fsopts->size = 407 fsopts->size * (100 + fsopts->freeblockpc) / 100; 408 409 /* add space needed for superblocks */ 410 /* 411 * The old SBOFF (SBLOCK_UFS1) is used here because makefs is 412 * typically used for small filesystems where space matters. 413 * XXX make this an option. 414 */ 415 fsopts->size += (SBLOCK_UFS1 + SBLOCKSIZE) * ncg; 416 /* add space needed to store inodes, x3 for blockmaps, etc */ 417 if (ffs_opts->version == 1) 418 fsopts->size += ncg * DINODE1_SIZE * 419 roundup(fsopts->inodes / ncg, 420 ffs_opts->bsize / DINODE1_SIZE); 421 #ifndef __DragonFly__ /* XXX UFS2 */ 422 else 423 fsopts->size += ncg * DINODE2_SIZE * 424 roundup(fsopts->inodes / ncg, 425 ffs_opts->bsize / DINODE2_SIZE); 426 #endif 427 428 /* add minfree */ 429 if (ffs_opts->minfree > 0) 430 fsopts->size = 431 fsopts->size * (100 + ffs_opts->minfree) / 100; 432 /* 433 * XXX any other fs slop to add, such as csum's, bitmaps, etc ?? 434 */ 435 436 if (fsopts->size < fsopts->minsize) /* ensure meets minimum size */ 437 fsopts->size = fsopts->minsize; 438 439 /* round up to the next block */ 440 fsopts->size = roundup(fsopts->size, ffs_opts->bsize); 441 442 /* round up to requested block size, if any */ 443 if (fsopts->roundup > 0) 444 fsopts->size = roundup(fsopts->size, fsopts->roundup); 445 446 /* calculate density if necessary */ 447 if (ffs_opts->density == -1) 448 ffs_opts->density = fsopts->size / fsopts->inodes + 1; 449 450 if (debug & DEBUG_FS_VALIDATE) { 451 printf("ffs_validate: after defaults set:\n"); 452 ffs_dump_fsinfo(fsopts); 453 printf("ffs_validate: dir %s; %lld bytes, %lld inodes\n", 454 dir, (long long)fsopts->size, (long long)fsopts->inodes); 455 } 456 /* now check calculated sizes vs requested sizes */ 457 if (fsopts->maxsize > 0 && fsopts->size > fsopts->maxsize) { 458 errx(1, "`%s' size of %lld is larger than the maxsize of %lld.", 459 dir, (long long)fsopts->size, (long long)fsopts->maxsize); 460 } 461 } 462 463 464 static void 465 ffs_dump_fsinfo(fsinfo_t *f) 466 { 467 468 ffs_opt_t *fs = f->fs_specific; 469 470 printf("fsopts at %p\n", f); 471 472 printf("\tsize %lld, inodes %lld, curinode %u\n", 473 (long long)f->size, (long long)f->inodes, f->curinode); 474 475 printf("\tminsize %lld, maxsize %lld\n", 476 (long long)f->minsize, (long long)f->maxsize); 477 printf("\tfree files %lld, freefile %% %d\n", 478 (long long)f->freefiles, f->freefilepc); 479 printf("\tfree blocks %lld, freeblock %% %d\n", 480 (long long)f->freeblocks, f->freeblockpc); 481 printf("\tneedswap %d, sectorsize %d\n", f->needswap, f->sectorsize); 482 483 printf("\tbsize %d, fsize %d, cpg %d, density %d\n", 484 fs->bsize, fs->fsize, fs->cpg, fs->density); 485 printf("\tnsectors %d, rpm %d, minfree %d\n", 486 fs->nsectors, fs->rpm, fs->minfree); 487 printf("\tmaxcontig %d, maxbpg %d\n", 488 fs->maxcontig, fs->maxbpg); 489 printf("\toptimization %s\n", 490 fs->optimization == FS_OPTSPACE ? "space" : "time"); 491 } 492 493 494 static int 495 ffs_create_image(const char *image, fsinfo_t *fsopts) 496 { 497 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 498 struct statvfs sfs; 499 #endif 500 struct fs *fs; 501 char *buf; 502 int i, bufsize; 503 off_t bufrem; 504 int oflags = O_RDWR | O_CREAT; 505 time_t tstamp; 506 507 assert (image != NULL); 508 assert (fsopts != NULL); 509 510 /* create image */ 511 if (fsopts->offset == 0) 512 oflags |= O_TRUNC; 513 if ((fsopts->fd = open(image, oflags, 0666)) == -1) { 514 warn("Can't open `%s' for writing", image); 515 return (-1); 516 } 517 518 /* zero image */ 519 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 520 if (fstatvfs(fsopts->fd, &sfs) == -1) { 521 #endif 522 bufsize = 8192; 523 #if HAVE_STRUCT_STATVFS_F_IOSIZE && HAVE_FSTATVFS 524 warn("can't fstatvfs `%s', using default %d byte chunk", 525 image, bufsize); 526 } else 527 bufsize = sfs.f_iosize; 528 #endif 529 bufrem = fsopts->size; 530 if (fsopts->sparse) { 531 if (ftruncate(fsopts->fd, bufrem) == -1) { 532 warn("sparse option disabled."); 533 fsopts->sparse = 0; 534 } 535 } 536 if (fsopts->sparse) { 537 /* File truncated at bufrem. Remaining is 0 */ 538 bufrem = 0; 539 buf = NULL; 540 } else { 541 if (debug & DEBUG_FS_CREATE_IMAGE) 542 printf("zero-ing image `%s', %lld sectors, " 543 "using %d byte chunks\n", image, (long long)bufrem, 544 bufsize); 545 buf = ecalloc(1, bufsize); 546 } 547 548 if (fsopts->offset != 0) 549 if (lseek(fsopts->fd, fsopts->offset, SEEK_SET) == -1) { 550 warn("can't seek"); 551 free(buf); 552 return -1; 553 } 554 555 while (bufrem > 0) { 556 i = write(fsopts->fd, buf, MIN(bufsize, bufrem)); 557 if (i == -1) { 558 warn("zeroing image, %lld bytes to go", 559 (long long)bufrem); 560 free(buf); 561 return (-1); 562 } 563 bufrem -= i; 564 } 565 if (buf) 566 free(buf); 567 568 /* make the file system */ 569 if (debug & DEBUG_FS_CREATE_IMAGE) 570 printf("calling mkfs(\"%s\", ...)\n", image); 571 572 if (stampst.st_ino != 0) 573 tstamp = stampst.st_ctime; 574 else 575 tstamp = start_time.tv_sec; 576 577 srandom(tstamp); 578 579 fs = ffs_mkfs(image, fsopts, tstamp); 580 fsopts->superblock = (void *)fs; 581 if (debug & DEBUG_FS_CREATE_IMAGE) { 582 time_t t; 583 584 t = (time_t)((struct fs *)fsopts->superblock)->fs_time; 585 printf("mkfs returned %p; fs_time %s", 586 fsopts->superblock, ctime(&t)); 587 printf("fs totals: nbfree %lld, nffree %lld, nifree %lld, ndir %lld\n", 588 (long long)fs->fs_cstotal.cs_nbfree, 589 (long long)fs->fs_cstotal.cs_nffree, 590 (long long)fs->fs_cstotal.cs_nifree, 591 (long long)fs->fs_cstotal.cs_ndir); 592 } 593 594 if (fs->fs_cstotal.cs_nifree + (off_t)UFS_ROOTINO < fsopts->inodes) { 595 warnx( 596 "Image file `%s' has %lld free inodes; %lld are required.", 597 image, 598 (long long)(fs->fs_cstotal.cs_nifree + UFS_ROOTINO), 599 (long long)fsopts->inodes); 600 return (-1); 601 } 602 return (fsopts->fd); 603 } 604 605 606 static void 607 ffs_size_dir(fsnode *root, fsinfo_t *fsopts) 608 { 609 struct direct tmpdir; 610 fsnode * node; 611 int curdirsize, this; 612 ffs_opt_t *ffs_opts = fsopts->fs_specific; 613 614 /* node may be NULL (empty directory) */ 615 assert(fsopts != NULL); 616 assert(ffs_opts != NULL); 617 618 if (debug & DEBUG_FS_SIZE_DIR) 619 printf("ffs_size_dir: entry: bytes %lld inodes %lld\n", 620 (long long)fsopts->size, (long long)fsopts->inodes); 621 622 #define ADDDIRENT(e) do { \ 623 tmpdir.d_namlen = strlen((e)); \ 624 this = DIRSIZ_SWAP(0, &tmpdir, 0); \ 625 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 626 printf("ADDDIRENT: was: %s (%d) this %d cur %d\n", \ 627 e, tmpdir.d_namlen, this, curdirsize); \ 628 if (this + curdirsize > roundup(curdirsize, DIRBLKSIZ)) \ 629 curdirsize = roundup(curdirsize, DIRBLKSIZ); \ 630 curdirsize += this; \ 631 if (debug & DEBUG_FS_SIZE_DIR_ADD_DIRENT) \ 632 printf("ADDDIRENT: now: %s (%d) this %d cur %d\n", \ 633 e, tmpdir.d_namlen, this, curdirsize); \ 634 } while (0); 635 636 /* 637 * XXX this needs to take into account extra space consumed 638 * by indirect blocks, etc. 639 */ 640 #define ADDSIZE(x) do { \ 641 fsopts->size += roundup((x), ffs_opts->fsize); \ 642 } while (0); 643 644 curdirsize = 0; 645 for (node = root; node != NULL; node = node->next) { 646 ADDDIRENT(node->name); 647 if (node == root) { /* we're at "." */ 648 assert(strcmp(node->name, ".") == 0); 649 ADDDIRENT(".."); 650 } else if ((node->inode->flags & FI_SIZED) == 0) { 651 /* don't count duplicate names */ 652 node->inode->flags |= FI_SIZED; 653 if (debug & DEBUG_FS_SIZE_DIR_NODE) 654 printf("ffs_size_dir: `%s' size %lld\n", 655 node->name, 656 (long long)node->inode->st.st_size); 657 fsopts->inodes++; 658 if (node->type == S_IFREG) 659 ADDSIZE(node->inode->st.st_size); 660 if (node->type == S_IFLNK) { 661 size_t slen; 662 663 slen = strlen(node->symlink) + 1; 664 #ifndef __DragonFly__ /* XXX UFS2 */ 665 if (slen >= (ffs_opts->version == 1 ? 666 UFS1_MAXSYMLINKLEN : 667 UFS2_MAXSYMLINKLEN)) 668 #else 669 if (slen >= UFS1_MAXSYMLINKLEN) 670 #endif 671 ADDSIZE(slen); 672 } 673 } 674 if (node->type == S_IFDIR) 675 ffs_size_dir(node->child, fsopts); 676 } 677 ADDSIZE(curdirsize); 678 679 if (debug & DEBUG_FS_SIZE_DIR) 680 printf("ffs_size_dir: exit: size %lld inodes %lld\n", 681 (long long)fsopts->size, (long long)fsopts->inodes); 682 } 683 684 static void * 685 ffs_build_dinode1(struct ufs1_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 686 fsnode *root, fsinfo_t *fsopts) 687 { 688 size_t slen; 689 void *membuf; 690 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 691 692 memset(dinp, 0, sizeof(*dinp)); 693 dinp->di_mode = cur->inode->st.st_mode; 694 dinp->di_nlink = cur->inode->nlink; 695 dinp->di_size = cur->inode->st.st_size; 696 #if HAVE_STRUCT_STAT_ST_FLAGS 697 dinp->di_flags = cur->inode->st.st_flags; 698 #endif 699 dinp->di_gen = random(); 700 dinp->di_uid = cur->inode->st.st_uid; 701 dinp->di_gid = cur->inode->st.st_gid; 702 703 dinp->di_atime = st->st_atime; 704 dinp->di_mtime = st->st_mtime; 705 dinp->di_ctime = st->st_ctime; 706 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 707 dinp->di_atimensec = st->st_atimensec; 708 dinp->di_mtimensec = st->st_mtimensec; 709 dinp->di_ctimensec = st->st_ctimensec; 710 #endif 711 /* not set: di_db, di_ib, di_blocks, di_spare */ 712 713 membuf = NULL; 714 if (cur == root) { /* "."; write dirbuf */ 715 membuf = dbufp->buf; 716 dinp->di_size = dbufp->size; 717 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 718 dinp->di_size = 0; /* a device */ 719 dinp->di_rdev = 720 ufs_rw32(cur->inode->st.st_rdev, fsopts->needswap); 721 } else if (S_ISLNK(cur->type)) { /* symlink */ 722 slen = strlen(cur->symlink); 723 if (slen < UFS1_MAXSYMLINKLEN) { /* short link */ 724 memcpy(dinp->di_db, cur->symlink, slen); 725 } else 726 membuf = cur->symlink; 727 dinp->di_size = slen; 728 } 729 return membuf; 730 } 731 732 #ifndef __DragonFly__ /* XXX UFS2 */ 733 static void * 734 ffs_build_dinode2(struct ufs2_dinode *dinp, dirbuf_t *dbufp, fsnode *cur, 735 fsnode *root, fsinfo_t *fsopts) 736 { 737 size_t slen; 738 void *membuf; 739 struct stat *st = stampst.st_ino != 0 ? &stampst : &cur->inode->st; 740 741 memset(dinp, 0, sizeof(*dinp)); 742 dinp->di_mode = cur->inode->st.st_mode; 743 dinp->di_nlink = cur->inode->nlink; 744 dinp->di_size = cur->inode->st.st_size; 745 #if HAVE_STRUCT_STAT_ST_FLAGS 746 dinp->di_flags = cur->inode->st.st_flags; 747 #endif 748 dinp->di_gen = random(); 749 dinp->di_uid = cur->inode->st.st_uid; 750 dinp->di_gid = cur->inode->st.st_gid; 751 752 dinp->di_atime = st->st_atime; 753 dinp->di_mtime = st->st_mtime; 754 dinp->di_ctime = st->st_ctime; 755 #if HAVE_STRUCT_STAT_BIRTHTIME 756 dinp->di_birthtime = st->st_birthtime; 757 #else 758 dinp->di_birthtime = st->st_ctime; 759 #endif 760 #if HAVE_STRUCT_STAT_ST_MTIMENSEC 761 dinp->di_atimensec = st->st_atimensec; 762 dinp->di_mtimensec = st->st_mtimensec; 763 dinp->di_ctimensec = st->st_ctimensec; 764 #if HAVE_STRUCT_STAT_BIRTHTIME 765 dinp->di_birthnsec = st->st_birthtimensec; 766 #else 767 dinp->di_birthnsec = st->st_ctimensec; 768 #endif 769 #endif 770 771 /* not set: di_db, di_ib, di_blocks, di_spare */ 772 773 membuf = NULL; 774 if (cur == root) { /* "."; write dirbuf */ 775 membuf = dbufp->buf; 776 dinp->di_size = dbufp->size; 777 } else if (S_ISBLK(cur->type) || S_ISCHR(cur->type)) { 778 dinp->di_size = 0; /* a device */ 779 dinp->di_rdev = 780 ufs_rw64(cur->inode->st.st_rdev, fsopts->needswap); 781 } else if (S_ISLNK(cur->type)) { /* symlink */ 782 slen = strlen(cur->symlink); 783 if (slen < UFS2_MAXSYMLINKLEN) { /* short link */ 784 memcpy(dinp->di_db, cur->symlink, slen); 785 } else 786 membuf = cur->symlink; 787 dinp->di_size = slen; 788 } 789 return membuf; 790 } 791 #endif 792 793 static int 794 ffs_populate_dir(const char *dir, fsnode *root, fsinfo_t *fsopts) 795 { 796 fsnode *cur; 797 dirbuf_t dirbuf; 798 union dinode din; 799 void *membuf; 800 char path[MAXPATHLEN + 1]; 801 ffs_opt_t *ffs_opts = fsopts->fs_specific; 802 803 assert(dir != NULL); 804 assert(root != NULL); 805 assert(fsopts != NULL); 806 assert(ffs_opts != NULL); 807 808 (void)memset(&dirbuf, 0, sizeof(dirbuf)); 809 810 if (debug & DEBUG_FS_POPULATE) 811 printf("ffs_populate_dir: PASS 1 dir %s node %p\n", dir, root); 812 813 /* 814 * pass 1: allocate inode numbers, build directory `file' 815 */ 816 for (cur = root; cur != NULL; cur = cur->next) { 817 if ((cur->inode->flags & FI_ALLOCATED) == 0) { 818 cur->inode->flags |= FI_ALLOCATED; 819 if (cur == root && cur->parent != NULL) 820 cur->inode->ino = cur->parent->inode->ino; 821 else { 822 cur->inode->ino = fsopts->curinode; 823 fsopts->curinode++; 824 } 825 } 826 ffs_make_dirbuf(&dirbuf, cur->name, cur, fsopts->needswap); 827 if (cur == root) { /* we're at "."; add ".." */ 828 ffs_make_dirbuf(&dirbuf, "..", 829 cur->parent == NULL ? cur : cur->parent->first, 830 fsopts->needswap); 831 root->inode->nlink++; /* count my parent's link */ 832 } else if (cur->child != NULL) 833 root->inode->nlink++; /* count my child's link */ 834 835 /* 836 * XXX possibly write file and long symlinks here, 837 * ensuring that blocks get written before inodes? 838 * otoh, this isn't a real filesystem, so who 839 * cares about ordering? :-) 840 */ 841 } 842 if (debug & DEBUG_FS_POPULATE_DIRBUF) 843 ffs_dump_dirbuf(&dirbuf, dir, fsopts->needswap); 844 845 /* 846 * pass 2: write out dirbuf, then non-directories at this level 847 */ 848 if (debug & DEBUG_FS_POPULATE) 849 printf("ffs_populate_dir: PASS 2 dir %s\n", dir); 850 for (cur = root; cur != NULL; cur = cur->next) { 851 if (cur->inode->flags & FI_WRITTEN) 852 continue; /* skip hard-linked entries */ 853 cur->inode->flags |= FI_WRITTEN; 854 855 if (cur->contents == NULL) { 856 if (snprintf(path, sizeof(path), "%s/%s/%s", cur->root, 857 cur->path, cur->name) >= (int)sizeof(path)) 858 errx(1, "Pathname too long."); 859 } 860 861 if (cur->child != NULL) 862 continue; /* child creates own inode */ 863 864 /* build on-disk inode */ 865 if (ffs_opts->version == 1) 866 membuf = ffs_build_dinode1(&din.ffs1_din, &dirbuf, cur, 867 root, fsopts); 868 #ifndef __DragonFly__ /* XXX UFS2 */ 869 else 870 membuf = ffs_build_dinode2(&din.ffs2_din, &dirbuf, cur, 871 root, fsopts); 872 #endif 873 874 if (debug & DEBUG_FS_POPULATE_NODE) { 875 printf("ffs_populate_dir: writing ino %d, %s", 876 cur->inode->ino, inode_type(cur->type)); 877 if (cur->inode->nlink > 1) 878 printf(", nlink %d", cur->inode->nlink); 879 putchar('\n'); 880 } 881 882 if (membuf != NULL) { 883 ffs_write_file(&din, cur->inode->ino, membuf, fsopts); 884 } else if (S_ISREG(cur->type)) { 885 ffs_write_file(&din, cur->inode->ino, 886 (cur->contents) ? cur->contents : path, fsopts); 887 } else { 888 assert (! S_ISDIR(cur->type)); 889 ffs_write_inode(&din, cur->inode->ino, fsopts); 890 } 891 } 892 893 /* 894 * pass 3: write out sub-directories 895 */ 896 if (debug & DEBUG_FS_POPULATE) 897 printf("ffs_populate_dir: PASS 3 dir %s\n", dir); 898 for (cur = root; cur != NULL; cur = cur->next) { 899 if (cur->child == NULL) 900 continue; 901 if ((size_t)snprintf(path, sizeof(path), "%s/%s", dir, 902 cur->name) >= sizeof(path)) 903 errx(1, "Pathname too long."); 904 if (! ffs_populate_dir(path, cur->child, fsopts)) 905 return (0); 906 } 907 908 if (debug & DEBUG_FS_POPULATE) 909 printf("ffs_populate_dir: DONE dir %s\n", dir); 910 911 /* cleanup */ 912 if (dirbuf.buf != NULL) 913 free(dirbuf.buf); 914 return (1); 915 } 916 917 918 static void 919 ffs_write_file(union dinode *din, uint32_t ino, void *buf, fsinfo_t *fsopts) 920 { 921 int isfile, ffd; 922 char *fbuf, *p; 923 off_t bufleft, chunk, offset; 924 ssize_t nread; 925 struct inode in; 926 struct buf * bp; 927 ffs_opt_t *ffs_opts = fsopts->fs_specific; 928 struct vnode vp = { fsopts, NULL }; 929 930 assert (din != NULL); 931 assert (buf != NULL); 932 assert (fsopts != NULL); 933 assert (ffs_opts != NULL); 934 935 isfile = S_ISREG(DIP(din, mode)); 936 fbuf = NULL; 937 ffd = -1; 938 p = NULL; 939 940 in.i_fs = (struct fs *)fsopts->superblock; 941 in.i_devvp = &vp; 942 943 if (debug & DEBUG_FS_WRITE_FILE) { 944 printf( 945 "ffs_write_file: ino %u, din %p, isfile %d, %s, size %lld", 946 ino, din, isfile, inode_type(DIP(din, mode) & S_IFMT), 947 (long long)DIP(din, size)); 948 if (isfile) 949 printf(", file '%s'\n", (char *)buf); 950 else 951 printf(", buffer %p\n", buf); 952 } 953 954 in.i_number = ino; 955 in.i_size = DIP(din, size); 956 if (ffs_opts->version == 1) 957 memcpy(&in.i_din.ffs1_din, &din->ffs1_din, 958 sizeof(in.i_din.ffs1_din)); 959 #ifndef __DragonFly__ /* XXX UFS2 */ 960 else 961 memcpy(&in.i_din.ffs2_din, &din->ffs2_din, 962 sizeof(in.i_din.ffs2_din)); 963 #endif 964 965 if (DIP(din, size) == 0) 966 goto write_inode_and_leave; /* mmm, cheating */ 967 968 if (isfile) { 969 fbuf = emalloc(ffs_opts->bsize); 970 if ((ffd = open((char *)buf, O_RDONLY, 0444)) == -1) { 971 err(EXIT_FAILURE, "Can't open `%s' for reading", (char *)buf); 972 } 973 } else { 974 p = buf; 975 } 976 977 chunk = 0; 978 for (bufleft = DIP(din, size); bufleft > 0; bufleft -= chunk) { 979 chunk = MIN(bufleft, ffs_opts->bsize); 980 if (!isfile) 981 ; 982 else if ((nread = read(ffd, fbuf, chunk)) == -1) 983 err(EXIT_FAILURE, "Reading `%s', %lld bytes to go", 984 (char *)buf, (long long)bufleft); 985 else if (nread != chunk) 986 errx(EXIT_FAILURE, "Reading `%s', %lld bytes to go, " 987 "read %zd bytes, expected %ju bytes, does " 988 "metalog size= attribute mismatch source size?", 989 (char *)buf, (long long)bufleft, nread, 990 (uintmax_t)chunk); 991 else 992 p = fbuf; 993 offset = DIP(din, size) - bufleft; 994 if (debug & DEBUG_FS_WRITE_FILE_BLOCK) 995 printf( 996 "ffs_write_file: write %p offset %lld size %lld left %lld\n", 997 p, (long long)offset, 998 (long long)chunk, (long long)bufleft); 999 /* 1000 * XXX if holey support is desired, do the check here 1001 * 1002 * XXX might need to write out last bit in fragroundup 1003 * sized chunk. however, ffs_balloc() handles this for us 1004 */ 1005 errno = ffs_balloc(&in, offset, chunk, &bp); 1006 bad_ffs_write_file: 1007 if (errno != 0) 1008 err(1, 1009 "Writing inode %d (%s), bytes %lld + %lld", 1010 ino, 1011 isfile ? (char *)buf : 1012 inode_type(DIP(din, mode) & S_IFMT), 1013 (long long)offset, (long long)chunk); 1014 memcpy(bp->b_data, p, chunk); 1015 errno = bwrite(bp); 1016 if (errno != 0) 1017 goto bad_ffs_write_file; 1018 brelse(bp); 1019 if (!isfile) 1020 p += chunk; 1021 } 1022 1023 write_inode_and_leave: 1024 ffs_write_inode(&in.i_din, in.i_number, fsopts); 1025 if (fbuf) 1026 free(fbuf); 1027 if (ffd != -1) 1028 close(ffd); 1029 } 1030 1031 1032 static void 1033 ffs_dump_dirbuf(dirbuf_t *dbuf, const char *dir, int needswap) 1034 { 1035 doff_t i; 1036 struct direct *de; 1037 uint16_t reclen; 1038 1039 assert (dbuf != NULL); 1040 assert (dir != NULL); 1041 printf("ffs_dump_dirbuf: dir %s size %d cur %d\n", 1042 dir, dbuf->size, dbuf->cur); 1043 1044 for (i = 0; i < dbuf->size; ) { 1045 de = (struct direct *)(dbuf->buf + i); 1046 reclen = ufs_rw16(de->d_reclen, needswap); 1047 printf( 1048 " inode %4d %7s offset %4d reclen %3d namlen %3d name %s\n", 1049 ufs_rw32(de->d_ino, needswap), 1050 inode_type(DTTOIF(de->d_type)), i, reclen, 1051 de->d_namlen, de->d_name); 1052 i += reclen; 1053 assert(reclen > 0); 1054 } 1055 } 1056 1057 static void 1058 ffs_make_dirbuf(dirbuf_t *dbuf, const char *name, fsnode *node, int needswap) 1059 { 1060 struct direct de, *dp; 1061 uint16_t llen, reclen; 1062 u_char *newbuf; 1063 1064 assert (dbuf != NULL); 1065 assert (name != NULL); 1066 assert (node != NULL); 1067 /* create direct entry */ 1068 (void)memset(&de, 0, sizeof(de)); 1069 de.d_ino = ufs_rw32(node->inode->ino, needswap); 1070 de.d_type = IFTODT(node->type); 1071 de.d_namlen = (uint8_t)strlen(name); 1072 strcpy(de.d_name, name); 1073 reclen = DIRSIZ_SWAP(0, &de, needswap); 1074 de.d_reclen = ufs_rw16(reclen, needswap); 1075 1076 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1077 llen = 0; 1078 if (dp != NULL) 1079 llen = DIRSIZ_SWAP(0, dp, needswap); 1080 1081 if (debug & DEBUG_FS_MAKE_DIRBUF) 1082 printf( 1083 "ffs_make_dirbuf: dbuf siz %d cur %d lastlen %d\n" 1084 " ino %d type %d reclen %d namlen %d name %.30s\n", 1085 dbuf->size, dbuf->cur, llen, 1086 ufs_rw32(de.d_ino, needswap), de.d_type, reclen, 1087 de.d_namlen, de.d_name); 1088 1089 if (reclen + dbuf->cur + llen > roundup(dbuf->size, DIRBLKSIZ)) { 1090 if (debug & DEBUG_FS_MAKE_DIRBUF) 1091 printf("ffs_make_dirbuf: growing buf to %d\n", 1092 dbuf->size + DIRBLKSIZ); 1093 newbuf = erealloc(dbuf->buf, dbuf->size + DIRBLKSIZ); 1094 dbuf->buf = newbuf; 1095 dbuf->size += DIRBLKSIZ; 1096 memset(dbuf->buf + dbuf->size - DIRBLKSIZ, 0, DIRBLKSIZ); 1097 dbuf->cur = dbuf->size - DIRBLKSIZ; 1098 } else if (dp) { /* shrink end of previous */ 1099 dp->d_reclen = ufs_rw16(llen,needswap); 1100 dbuf->cur += llen; 1101 } 1102 dp = (struct direct *)(dbuf->buf + dbuf->cur); 1103 memcpy(dp, &de, reclen); 1104 dp->d_reclen = ufs_rw16(dbuf->size - dbuf->cur, needswap); 1105 } 1106 1107 /* 1108 * cribbed from sys/ufs/ffs/ffs_alloc.c 1109 */ 1110 static void 1111 ffs_write_inode(union dinode *dp, uint32_t ino, const fsinfo_t *fsopts) 1112 { 1113 char *buf; 1114 struct ufs1_dinode *dp1; 1115 #ifndef __DragonFly__ /* XXX UFS2 */ 1116 struct ufs2_dinode *dp2, *dip; 1117 #endif 1118 struct cg *cgp; 1119 struct fs *fs; 1120 int cg, cgino; 1121 #ifndef __DragonFly__ /* XXX UFS2 */ 1122 uint32_t i; 1123 #endif 1124 makefs_daddr_t d; 1125 char sbbuf[FFS_MAXBSIZE]; 1126 #ifndef __DragonFly__ /* XXX UFS2 */ 1127 uint32_t initediblk; 1128 #endif 1129 ffs_opt_t *ffs_opts = fsopts->fs_specific; 1130 1131 assert (dp != NULL); 1132 assert (ino > 0); 1133 assert (fsopts != NULL); 1134 assert (ffs_opts != NULL); 1135 1136 fs = (struct fs *)fsopts->superblock; 1137 cg = ino_to_cg(fs, ino); 1138 cgino = ino % fs->fs_ipg; 1139 if (debug & DEBUG_FS_WRITE_INODE) 1140 printf("ffs_write_inode: din %p ino %u cg %d cgino %d\n", 1141 dp, ino, cg, cgino); 1142 1143 ffs_rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1144 fsopts); 1145 cgp = (struct cg *)sbbuf; 1146 if (!cg_chkmagic_swap(cgp, fsopts->needswap)) 1147 errx(1, "ffs_write_inode: cg %d: bad magic number", cg); 1148 1149 assert (isclr(cg_inosused_swap(cgp, fsopts->needswap), cgino)); 1150 1151 buf = emalloc(fs->fs_bsize); 1152 dp1 = (struct ufs1_dinode *)buf; 1153 #ifndef __DragonFly__ /* XXX UFS2 */ 1154 dp2 = (struct ufs2_dinode *)buf; 1155 #endif 1156 1157 if (fs->fs_cstotal.cs_nifree == 0) 1158 errx(1, "ffs_write_inode: fs out of inodes for ino %u", 1159 ino); 1160 if (fs->fs_cs(fs, cg).cs_nifree == 0) 1161 errx(1, 1162 "ffs_write_inode: cg %d out of inodes for ino %u", 1163 cg, ino); 1164 setbit(cg_inosused_swap(cgp, fsopts->needswap), cgino); 1165 ufs_add32(cgp->cg_cs.cs_nifree, -1, fsopts->needswap); 1166 fs->fs_cstotal.cs_nifree--; 1167 fs->fs_cs(fs, cg).cs_nifree--; 1168 if (S_ISDIR(DIP(dp, mode))) { 1169 ufs_add32(cgp->cg_cs.cs_ndir, 1, fsopts->needswap); 1170 fs->fs_cstotal.cs_ndir++; 1171 fs->fs_cs(fs, cg).cs_ndir++; 1172 } 1173 1174 #ifndef __DragonFly__ /* XXX UFS2 */ 1175 /* 1176 * Initialize inode blocks on the fly for UFS2. 1177 */ 1178 initediblk = ufs_rw32(cgp->cg_initediblk, fsopts->needswap); 1179 while (ffs_opts->version == 2 && cgino + INOPB(fs) > initediblk && 1180 initediblk < ufs_rw32(cgp->cg_niblk, fsopts->needswap)) { 1181 memset(buf, 0, fs->fs_bsize); 1182 dip = (struct ufs2_dinode *)buf; 1183 for (i = 0; i < INOPB(fs); i++) { 1184 dip->di_gen = random(); 1185 dip++; 1186 } 1187 ffs_wtfs(fsbtodb(fs, ino_to_fsba(fs, 1188 cg * fs->fs_ipg + initediblk)), 1189 fs->fs_bsize, buf, fsopts); 1190 initediblk += INOPB(fs); 1191 cgp->cg_initediblk = ufs_rw32(initediblk, fsopts->needswap); 1192 } 1193 #endif 1194 1195 1196 ffs_wtfs(fsbtodb(fs, cgtod(fs, cg)), (int)fs->fs_cgsize, &sbbuf, 1197 fsopts); 1198 1199 /* now write inode */ 1200 d = fsbtodb(fs, ino_to_fsba(fs, ino)); 1201 ffs_rdfs(d, fs->fs_bsize, buf, fsopts); 1202 if (fsopts->needswap) { 1203 if (ffs_opts->version == 1) 1204 ffs_dinode1_swap(&dp->ffs1_din, 1205 &dp1[ino_to_fsbo(fs, ino)]); 1206 #ifndef __DragonFly__ /* XXX UFS2 */ 1207 else 1208 ffs_dinode2_swap(&dp->ffs2_din, 1209 &dp2[ino_to_fsbo(fs, ino)]); 1210 #endif 1211 } else { 1212 if (ffs_opts->version == 1) 1213 dp1[ino_to_fsbo(fs, ino)] = dp->ffs1_din; 1214 #ifndef __DragonFly__ /* XXX UFS2 */ 1215 else 1216 dp2[ino_to_fsbo(fs, ino)] = dp->ffs2_din; 1217 #endif 1218 } 1219 ffs_wtfs(d, fs->fs_bsize, buf, fsopts); 1220 free(buf); 1221 } 1222 1223 void 1224 panic(const char *fmt, ...) 1225 { 1226 va_list ap; 1227 1228 va_start(ap, fmt); 1229 vwarnx(fmt, ap); 1230 va_end(ap); 1231 exit(1); 1232 } 1233