ffsinfo.c revision 166725
1/* 2 * Copyright (c) 2000 Christoph Herrmann, Thomas-Henning von Kamptz 3 * Copyright (c) 1980, 1989, 1993 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Christoph Herrmann and Thomas-Henning von Kamptz, Munich and Frankfurt. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgment: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors, as well as Christoph 21 * Herrmann and Thomas-Henning von Kamptz. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * $TSHeader: src/sbin/ffsinfo/ffsinfo.c,v 1.4 2000/12/12 19:30:55 tomsoft Exp $ 39 * 40 */ 41 42#ifndef lint 43static const char copyright[] = 44"@(#) Copyright (c) 2000 Christoph Herrmann, Thomas-Henning von Kamptz\n\ 45Copyright (c) 1980, 1989, 1993 The Regents of the University of California.\n\ 46All rights reserved.\n"; 47#endif /* not lint */ 48 49#ifndef lint 50static const char rcsid[] = 51 "$FreeBSD: head/sbin/ffsinfo/ffsinfo.c 166725 2007-02-14 23:20:30Z brian $"; 52#endif /* not lint */ 53 54/* ********************************************************** INCLUDES ***** */ 55#include <sys/param.h> 56#include <sys/disklabel.h> 57#include <sys/mount.h> 58#include <sys/stat.h> 59 60#include <ufs/ufs/ufsmount.h> 61#include <ufs/ufs/dinode.h> 62#include <ufs/ffs/fs.h> 63 64#include <ctype.h> 65#include <err.h> 66#include <errno.h> 67#include <fcntl.h> 68#include <libufs.h> 69#include <paths.h> 70#include <stdio.h> 71#include <stdlib.h> 72#include <string.h> 73#include <unistd.h> 74 75#include "debug.h" 76 77/* *********************************************************** GLOBALS ***** */ 78#ifdef FS_DEBUG 79int _dbg_lvl_ = (DL_INFO); /* DL_TRC */ 80#endif /* FS_DEBUG */ 81 82struct uufsd disk; 83 84#define sblock disk.d_fs 85#define acg disk.d_cg 86 87static union { 88 struct fs fs; 89 char pad[SBLOCKSIZE]; 90} fsun; 91 92#define osblock fsun.fs 93 94static char i1blk[MAXBSIZE]; 95static char i2blk[MAXBSIZE]; 96static char i3blk[MAXBSIZE]; 97 98static struct csum *fscs; 99 100/* ******************************************************** PROTOTYPES ***** */ 101static void usage(void); 102static void dump_whole_ufs1_inode(ino_t, int); 103static void dump_whole_ufs2_inode(ino_t, int); 104 105#define DUMP_WHOLE_INODE(A,B) \ 106 ( disk.d_ufs == 1 \ 107 ? dump_whole_ufs1_inode((A),(B)) : dump_whole_ufs2_inode((A),(B)) ) 108 109/* ************************************************************** main ***** */ 110/* 111 * ffsinfo(8) is a tool to dump all metadata of a file system. It helps to find 112 * errors is the file system much easier. You can run ffsinfo before and after 113 * an fsck(8), and compare the two ascii dumps easy with diff, and you see 114 * directly where the problem is. You can control how much detail you want to 115 * see with some command line arguments. You can also easy check the status 116 * of a file system, like is there is enough space for growing a file system, 117 * or how many active snapshots do we have. It provides much more detailed 118 * information then dumpfs. Snapshots, as they are very new, are not really 119 * supported. They are just mentioned currently, but it is planned to run 120 * also over active snapshots, to even get that output. 121 */ 122int 123main(int argc, char **argv) 124{ 125 DBG_FUNC("main") 126 char *device, *special; 127 int ch; 128 size_t len; 129 struct stat st; 130 struct csum *dbg_csp; 131 int dbg_csc; 132 char dbg_line[80]; 133 int cylno,i; 134 int cfg_cg, cfg_in, cfg_lv; 135 int cg_start, cg_stop; 136 ino_t in; 137 char *out_file; 138 139 DBG_ENTER; 140 141 cfg_lv = 0xff; 142 cfg_in = -2; 143 cfg_cg = -2; 144 out_file = NULL; 145 146 while ((ch = getopt(argc, argv, "g:i:l:o:")) != -1) { 147 switch (ch) { 148 case 'g': 149 cfg_cg = strtol(optarg, NULL, 0); 150 if (errno == EINVAL || errno == ERANGE) 151 err(1, "%s", optarg); 152 if (cfg_cg < -1) 153 usage(); 154 break; 155 case 'i': 156 cfg_in = strtol(optarg, NULL, 0); 157 if (errno == EINVAL || errno == ERANGE) 158 err(1, "%s", optarg); 159 if (cfg_in < 0) 160 usage(); 161 break; 162 case 'l': 163 cfg_lv = strtol(optarg, NULL, 0); 164 if (errno == EINVAL||errno == ERANGE) 165 err(1, "%s", optarg); 166 if (cfg_lv < 0x1 || cfg_lv > 0x3ff) 167 usage(); 168 break; 169 case 'o': 170 free(out_file); 171 out_file = strdup(optarg); 172 if (out_file == NULL) 173 errx(1, "strdup failed"); 174 break; 175 case '?': 176 /* FALLTHROUGH */ 177 default: 178 usage(); 179 } 180 } 181 argc -= optind; 182 argv += optind; 183 184 if (argc != 1) 185 usage(); 186 device = *argv; 187 if (out_file == NULL) 188 errx(1, "out_file not specified"); 189 190 /* 191 * Now we try to guess the (raw)device name. 192 */ 193 if (0 == strrchr(device, '/') && stat(device, &st) == -1) { 194 /*- 195 * No path prefix was given, so try in this order: 196 * /dev/r%s 197 * /dev/%s 198 * /dev/vinum/r%s 199 * /dev/vinum/%s. 200 * 201 * FreeBSD now doesn't distinguish between raw and block 202 * devices any longer, but it should still work this way. 203 */ 204 len = strlen(device) + strlen(_PATH_DEV) + 2 + strlen("vinum/"); 205 special = (char *)malloc(len); 206 if (special == NULL) 207 errx(1, "malloc failed"); 208 snprintf(special, len, "%sr%s", _PATH_DEV, device); 209 if (stat(special, &st) == -1) { 210 snprintf(special, len, "%s%s", _PATH_DEV, device); 211 if (stat(special, &st) == -1) { 212 snprintf(special, len, "%svinum/r%s", 213 _PATH_DEV, device); 214 if (stat(special, &st) == -1) 215 /* For now this is the 'last resort' */ 216 snprintf(special, len, "%svinum/%s", 217 _PATH_DEV, device); 218 } 219 } 220 device = special; 221 } 222 223 if (ufs_disk_fillout(&disk, device) == -1) 224 err(1, "ufs_disk_fillout(%s) failed: %s", device, disk.d_error); 225 226 DBG_OPEN(out_file); /* already here we need a superblock */ 227 228 if (cfg_lv & 0x001) 229 DBG_DUMP_FS(&sblock, "primary sblock"); 230 231 /* Determine here what cylinder groups to dump */ 232 if (cfg_cg==-2) { 233 cg_start = 0; 234 cg_stop = sblock.fs_ncg; 235 } else if (cfg_cg == -1) { 236 cg_start = sblock.fs_ncg - 1; 237 cg_stop = sblock.fs_ncg; 238 } else if (cfg_cg < sblock.fs_ncg) { 239 cg_start = cfg_cg; 240 cg_stop = cfg_cg + 1; 241 } else { 242 cg_start = sblock.fs_ncg; 243 cg_stop = sblock.fs_ncg; 244 } 245 246 if (cfg_lv & 0x004) { 247 fscs = (struct csum *)calloc((size_t)1, 248 (size_t)sblock.fs_cssize); 249 if (fscs == NULL) 250 errx(1, "calloc failed"); 251 252 /* get the cylinder summary into the memory ... */ 253 for (i = 0; i < sblock.fs_cssize; i += sblock.fs_bsize) { 254 if (bread(&disk, fsbtodb(&sblock, 255 sblock.fs_csaddr + numfrags(&sblock, i)), 256 (void *)(((char *)fscs)+i), 257 (size_t)(sblock.fs_cssize-i < sblock.fs_bsize ? 258 sblock.fs_cssize - i : sblock.fs_bsize)) == -1) 259 err(1, "bread: %s", disk.d_error); 260 } 261 262 dbg_csp = fscs; 263 /* ... and dump it */ 264 for(dbg_csc=0; dbg_csc<sblock.fs_ncg; dbg_csc++) { 265 snprintf(dbg_line, sizeof(dbg_line), 266 "%d. csum in fscs", dbg_csc); 267 DBG_DUMP_CSUM(&sblock, 268 dbg_line, 269 dbg_csp++); 270 } 271 } 272 273 if (cfg_lv & 0xf8) { 274 /* for each requested cylinder group ... */ 275 for (cylno = cg_start; cylno < cg_stop; cylno++) { 276 snprintf(dbg_line, sizeof(dbg_line), "cgr %d", cylno); 277 if (cfg_lv & 0x002) { 278 /* dump the superblock copies */ 279 if (bread(&disk, fsbtodb(&sblock, 280 cgsblock(&sblock, cylno)), 281 (void *)&osblock, SBLOCKSIZE) == -1) 282 err(1, "bread: %s", disk.d_error); 283 DBG_DUMP_FS(&osblock, dbg_line); 284 } 285 286 /* 287 * Read the cylinder group and dump whatever was 288 * requested. 289 */ 290 if (bread(&disk, fsbtodb(&sblock, 291 cgtod(&sblock, cylno)), (void *)&acg, 292 (size_t)sblock.fs_cgsize) == -1) 293 err(1, "bread: %s", disk.d_error); 294 295 if (cfg_lv & 0x008) 296 DBG_DUMP_CG(&sblock, dbg_line, &acg); 297 if (cfg_lv & 0x010) 298 DBG_DUMP_INMAP(&sblock, dbg_line, &acg); 299 if (cfg_lv & 0x020) 300 DBG_DUMP_FRMAP(&sblock, dbg_line, &acg); 301 if (cfg_lv & 0x040) { 302 DBG_DUMP_CLMAP(&sblock, dbg_line, &acg); 303 DBG_DUMP_CLSUM(&sblock, dbg_line, &acg); 304 } 305 #ifdef NOT_CURRENTLY 306 /* 307 * See the comment in sbin/growfs/debug.c for why this 308 * is currently disabled, and what needs to be done to 309 * re-enable it. 310 */ 311 if (disk.d_ufs == 1 && cfg_lv & 0x080) 312 DBG_DUMP_SPTBL(&sblock, dbg_line, &acg); 313 #endif 314 } 315 } 316 317 if (cfg_lv & 0x300) { 318 /* Dump the requested inode(s) */ 319 if (cfg_in != -2) 320 DUMP_WHOLE_INODE((ino_t)cfg_in, cfg_lv); 321 else { 322 for (in = cg_start * sblock.fs_ipg; 323 in < (ino_t)cg_stop * sblock.fs_ipg; 324 in++) 325 DUMP_WHOLE_INODE(in, cfg_lv); 326 } 327 } 328 329 DBG_CLOSE; 330 DBG_LEAVE; 331 332 return 0; 333} 334 335/* ********************************************** dump_whole_ufs1_inode ***** */ 336/* 337 * Here we dump a list of all blocks allocated by this inode. We follow 338 * all indirect blocks. 339 */ 340void 341dump_whole_ufs1_inode(ino_t inode, int level) 342{ 343 DBG_FUNC("dump_whole_ufs1_inode") 344 struct ufs1_dinode *ino; 345 int rb, mode; 346 unsigned int ind2ctr, ind3ctr; 347 ufs1_daddr_t *ind2ptr, *ind3ptr; 348 char comment[80]; 349 350 DBG_ENTER; 351 352 /* 353 * Read the inode from disk/cache. 354 */ 355 if (getino(&disk, (void **)&ino, inode, &mode) == -1) 356 err(1, "getino: %s", disk.d_error); 357 358 if(ino->di_nlink==0) { 359 DBG_LEAVE; 360 return; /* inode not in use */ 361 } 362 363 /* 364 * Dump the main inode structure. 365 */ 366 snprintf(comment, sizeof(comment), "Inode 0x%08x", inode); 367 if (level & 0x100) { 368 DBG_DUMP_INO(&sblock, 369 comment, 370 ino); 371 } 372 373 if (!(level & 0x200)) { 374 DBG_LEAVE; 375 return; 376 } 377 378 /* 379 * Ok, now prepare for dumping all direct and indirect pointers. 380 */ 381 rb=howmany(ino->di_size, sblock.fs_bsize)-NDADDR; 382 if(rb>0) { 383 /* 384 * Dump single indirect block. 385 */ 386 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[0]), (void *)&i1blk, 387 (size_t)sblock.fs_bsize) == -1) { 388 err(1, "bread: %s", disk.d_error); 389 } 390 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 0", 391 inode); 392 DBG_DUMP_IBLK(&sblock, 393 comment, 394 i1blk, 395 (size_t)rb); 396 rb-=howmany(sblock.fs_bsize, sizeof(ufs1_daddr_t)); 397 } 398 if(rb>0) { 399 /* 400 * Dump double indirect blocks. 401 */ 402 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[1]), (void *)&i2blk, 403 (size_t)sblock.fs_bsize) == -1) { 404 err(1, "bread: %s", disk.d_error); 405 } 406 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 1", 407 inode); 408 DBG_DUMP_IBLK(&sblock, 409 comment, 410 i2blk, 411 howmany(rb, howmany(sblock.fs_bsize, sizeof(ufs1_daddr_t)))); 412 for(ind2ctr=0; ((ind2ctr < howmany(sblock.fs_bsize, 413 sizeof(ufs1_daddr_t))) && (rb>0)); ind2ctr++) { 414 ind2ptr=&((ufs1_daddr_t *)(void *)&i2blk)[ind2ctr]; 415 416 if (bread(&disk, fsbtodb(&sblock, *ind2ptr), (void *)&i1blk, 417 (size_t)sblock.fs_bsize) == -1) { 418 err(1, "bread: %s", disk.d_error); 419 } 420 snprintf(comment, sizeof(comment), 421 "Inode 0x%08x: indirect 1->%d", inode, ind2ctr); 422 DBG_DUMP_IBLK(&sblock, 423 comment, 424 i1blk, 425 (size_t)rb); 426 rb-=howmany(sblock.fs_bsize, sizeof(ufs1_daddr_t)); 427 } 428 } 429 if(rb>0) { 430 /* 431 * Dump triple indirect blocks. 432 */ 433 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[2]), (void *)&i3blk, 434 (size_t)sblock.fs_bsize) == -1) { 435 err(1, "bread: %s", disk.d_error); 436 } 437 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 2", 438 inode); 439#define SQUARE(a) ((a)*(a)) 440 DBG_DUMP_IBLK(&sblock, 441 comment, 442 i3blk, 443 howmany(rb, 444 SQUARE(howmany(sblock.fs_bsize, sizeof(ufs1_daddr_t))))); 445#undef SQUARE 446 for(ind3ctr=0; ((ind3ctr<howmany(sblock.fs_bsize, 447 sizeof(ufs1_daddr_t)))&&(rb>0)); ind3ctr++) { 448 ind3ptr=&((ufs1_daddr_t *)(void *)&i3blk)[ind3ctr]; 449 450 if (bread(&disk, fsbtodb(&sblock, *ind3ptr), (void *)&i2blk, 451 (size_t)sblock.fs_bsize) == -1) { 452 err(1, "bread: %s", disk.d_error); 453 } 454 snprintf(comment, sizeof(comment), 455 "Inode 0x%08x: indirect 2->%d", inode, ind3ctr); 456 DBG_DUMP_IBLK(&sblock, 457 comment, 458 i2blk, 459 howmany(rb, 460 howmany(sblock.fs_bsize, sizeof(ufs1_daddr_t)))); 461 for(ind2ctr=0; ((ind2ctr < howmany(sblock.fs_bsize, 462 sizeof(ufs1_daddr_t)))&&(rb>0)); ind2ctr++) { 463 ind2ptr=&((ufs1_daddr_t *)(void *)&i2blk) 464 [ind2ctr]; 465 if (bread(&disk, fsbtodb(&sblock, *ind2ptr), 466 (void *)&i1blk, (size_t)sblock.fs_bsize) 467 == -1) { 468 err(1, "bread: %s", disk.d_error); 469 } 470 snprintf(comment, sizeof(comment), 471 "Inode 0x%08x: indirect 2->%d->%d", inode, 472 ind3ctr, ind3ctr); 473 DBG_DUMP_IBLK(&sblock, 474 comment, 475 i1blk, 476 (size_t)rb); 477 rb-=howmany(sblock.fs_bsize, 478 sizeof(ufs1_daddr_t)); 479 } 480 } 481 } 482 483 DBG_LEAVE; 484 return; 485} 486 487/* ********************************************** dump_whole_ufs2_inode ***** */ 488/* 489 * Here we dump a list of all blocks allocated by this inode. We follow 490 * all indirect blocks. 491 */ 492void 493dump_whole_ufs2_inode(ino_t inode, int level) 494{ 495 DBG_FUNC("dump_whole_ufs2_inode") 496 struct ufs2_dinode *ino; 497 int rb, mode; 498 unsigned int ind2ctr, ind3ctr; 499 ufs2_daddr_t *ind2ptr, *ind3ptr; 500 char comment[80]; 501 502 DBG_ENTER; 503 504 /* 505 * Read the inode from disk/cache. 506 */ 507 if (getino(&disk, (void **)&ino, inode, &mode) == -1) 508 err(1, "getino: %s", disk.d_error); 509 510 if (ino->di_nlink == 0) { 511 DBG_LEAVE; 512 return; /* inode not in use */ 513 } 514 515 /* 516 * Dump the main inode structure. 517 */ 518 snprintf(comment, sizeof(comment), "Inode 0x%08x", inode); 519 if (level & 0x100) { 520 DBG_DUMP_INO(&sblock, comment, ino); 521 } 522 523 if (!(level & 0x200)) { 524 DBG_LEAVE; 525 return; 526 } 527 528 /* 529 * Ok, now prepare for dumping all direct and indirect pointers. 530 */ 531 rb = howmany(ino->di_size, sblock.fs_bsize) - NDADDR; 532 if (rb > 0) { 533 /* 534 * Dump single indirect block. 535 */ 536 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[0]), (void *)&i1blk, 537 (size_t)sblock.fs_bsize) == -1) { 538 err(1, "bread: %s", disk.d_error); 539 } 540 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 0", inode); 541 DBG_DUMP_IBLK(&sblock, comment, i1blk, (size_t)rb); 542 rb -= howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t)); 543 } 544 if (rb > 0) { 545 /* 546 * Dump double indirect blocks. 547 */ 548 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[1]), (void *)&i2blk, 549 (size_t)sblock.fs_bsize) == -1) { 550 err(1, "bread: %s", disk.d_error); 551 } 552 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 1", inode); 553 DBG_DUMP_IBLK(&sblock, 554 comment, 555 i2blk, 556 howmany(rb, howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t)))); 557 for (ind2ctr = 0; ((ind2ctr < howmany(sblock.fs_bsize, 558 sizeof(ufs2_daddr_t))) && (rb>0)); ind2ctr++) { 559 ind2ptr = &((ufs2_daddr_t *)(void *)&i2blk)[ind2ctr]; 560 561 if (bread(&disk, fsbtodb(&sblock, *ind2ptr), (void *)&i1blk, 562 (size_t)sblock.fs_bsize) == -1) { 563 err(1, "bread: %s", disk.d_error); 564 } 565 snprintf(comment, sizeof(comment), 566 "Inode 0x%08x: indirect 1->%d", inode, ind2ctr); 567 DBG_DUMP_IBLK(&sblock, comment, i1blk, (size_t)rb); 568 rb -= howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t)); 569 } 570 } 571 if (rb > 0) { 572 /* 573 * Dump triple indirect blocks. 574 */ 575 if (bread(&disk, fsbtodb(&sblock, ino->di_ib[2]), (void *)&i3blk, 576 (size_t)sblock.fs_bsize) == -1) { 577 err(1, "bread: %s", disk.d_error); 578 } 579 snprintf(comment, sizeof(comment), "Inode 0x%08x: indirect 2", inode); 580#define SQUARE(a) ((a)*(a)) 581 DBG_DUMP_IBLK(&sblock, 582 comment, 583 i3blk, 584 howmany(rb, 585 SQUARE(howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t))))); 586#undef SQUARE 587 for (ind3ctr = 0; ((ind3ctr < howmany(sblock.fs_bsize, 588 sizeof(ufs2_daddr_t))) && (rb > 0)); ind3ctr++) { 589 ind3ptr = &((ufs2_daddr_t *)(void *)&i3blk)[ind3ctr]; 590 591 if (bread(&disk, fsbtodb(&sblock, *ind3ptr), (void *)&i2blk, 592 (size_t)sblock.fs_bsize) == -1) { 593 err(1, "bread: %s", disk.d_error); 594 } 595 snprintf(comment, sizeof(comment), 596 "Inode 0x%08x: indirect 2->%d", inode, ind3ctr); 597 DBG_DUMP_IBLK(&sblock, 598 comment, 599 i2blk, 600 howmany(rb, 601 howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t)))); 602 for (ind2ctr = 0; ((ind2ctr < howmany(sblock.fs_bsize, 603 sizeof(ufs2_daddr_t))) && (rb > 0)); ind2ctr++) { 604 ind2ptr = &((ufs2_daddr_t *)(void *)&i2blk) [ind2ctr]; 605 if (bread(&disk, fsbtodb(&sblock, *ind2ptr), (void *)&i1blk, 606 (size_t)sblock.fs_bsize) == -1) { 607 err(1, "bread: %s", disk.d_error); 608 } 609 snprintf(comment, sizeof(comment), 610 "Inode 0x%08x: indirect 2->%d->%d", inode, 611 ind3ctr, ind3ctr); 612 DBG_DUMP_IBLK(&sblock, comment, i1blk, (size_t)rb); 613 rb -= howmany(sblock.fs_bsize, sizeof(ufs2_daddr_t)); 614 } 615 } 616 } 617 618 DBG_LEAVE; 619 return; 620} 621 622/* ************************************************************* usage ***** */ 623/* 624 * Dump a line of usage. 625 */ 626void 627usage(void) 628{ 629 DBG_FUNC("usage") 630 631 DBG_ENTER; 632 633 fprintf(stderr, 634 "usage: ffsinfo [-g cylinder_group] [-i inode] [-l level] " 635 "[-o outfile]\n" 636 " special | file\n"); 637 638 DBG_LEAVE; 639 exit(1); 640} 641