1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1991, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /*static char sccsid[] = "from: @(#)dumplfs.c 8.1 (Berkeley) 6/5/93";*/ 42 static char *rcsid = "$Id: dumplfs.c,v 1.4 1994/12/05 20:15:39 cgd Exp $"; 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/ucred.h> 47 #include <sys/mount.h> 48 #include <sys/time.h> 49 50 #include <ufs/ufs/dinode.h> 51 #include <ufs/lfs/lfs.h> 52 53 #include <err.h> 54 #include <errno.h> 55 #include <fcntl.h> 56 #include <fstab.h> 57 #include <stdlib.h> 58 #include <stdio.h> 59 #include <string.h> 60 #include <unistd.h> 61 #include "extern.h" 62 63 static void addseg __P((char *)); 64 static void dump_cleaner_info __P((struct lfs *, void *)); 65 static void dump_dinode __P((struct dinode *)); 66 static void dump_ifile __P((int, struct lfs *, int)); 67 static int dump_ipage_ifile __P((int, IFILE *, int)); 68 static int dump_ipage_segusage __P((struct lfs *, int, IFILE *, int)); 69 static void dump_segment __P((int, int, daddr_t, struct lfs *, int)); 70 static int dump_sum __P((int, struct lfs *, SEGSUM *, int, daddr_t)); 71 static void dump_super __P((struct lfs *)); 72 static void usage __P((void)); 73 74 typedef struct seglist SEGLIST; 75 struct seglist { 76 SEGLIST *next; 77 int num; 78 }; 79 SEGLIST *seglist; 80 81 int daddr_shift; 82 char *special; 83 84 /* Segment Usage formats */ 85 #define print_suheader \ 86 (void)printf("segnum\tflags\tnbytes\tninos\tnsums\tlastmod\n") 87 88 #define print_suentry(i, sp) \ 89 (void)printf("%d\t%c%c%c\t%d\t%d\t%d\t%s", i, \ 90 (((sp)->su_flags & SEGUSE_ACTIVE) ? 'A' : ' '), \ 91 (((sp)->su_flags & SEGUSE_DIRTY) ? 'D' : 'C'), \ 92 (((sp)->su_flags & SEGUSE_SUPERBLOCK) ? 'S' : ' '), \ 93 (sp)->su_nbytes, (sp)->su_ninos, (sp)->su_nsums, \ 94 ctime((time_t *)&(sp)->su_lastmod)) 95 96 /* Ifile formats */ 97 #define print_iheader \ 98 (void)printf("inum\tstatus\tversion\tdaddr\t\tfreeptr\n") 99 #define print_ientry(i, ip) \ 100 if (ip->if_daddr == LFS_UNUSED_DADDR) \ 101 (void)printf("%d\tFREE\t%d\t \t\t%d\n", \ 102 i, ip->if_version, ip->if_nextfree); \ 103 else \ 104 (void)printf("%d\tINUSE\t%d\t%8X \n", \ 105 i, ip->if_version, ip->if_daddr) 106 int 107 main(argc, argv) 108 int argc; 109 char *argv[]; 110 { 111 struct lfs lfs_sb1, lfs_sb2, *lfs_master; 112 daddr_t seg_addr; 113 int ch, do_allsb, do_ientries, fd, segnum; 114 115 do_allsb = 0; 116 do_ientries = 0; 117 while ((ch = getopt(argc, argv, "ais:")) != -1) 118 switch(ch) { 119 case 'a': /* Dump all superblocks */ 120 do_allsb = 1; 121 break; 122 case 'i': /* Dump ifile entries */ 123 do_ientries = 1; 124 break; 125 case 's': /* Dump out these segments */ 126 addseg(optarg); 127 break; 128 default: 129 usage(); 130 } 131 argc -= optind; 132 argv += optind; 133 134 if (argc != 1) 135 usage(); 136 137 special = argv[0]; 138 if ((fd = open(special, O_RDONLY, 0)) < 0) 139 err(1, "%s", special); 140 141 /* Read the first superblock */ 142 get(fd, LFS_LABELPAD, &lfs_sb1, sizeof(struct lfs)); 143 daddr_shift = lfs_sb1.lfs_bshift - lfs_sb1.lfs_fsbtodb; 144 145 /* 146 * Read the second superblock and figure out which check point is 147 * most up to date. 148 */ 149 get(fd, 150 lfs_sb1.lfs_sboffs[1] << daddr_shift, &lfs_sb2, sizeof(struct lfs)); 151 152 lfs_master = &lfs_sb1; 153 if (lfs_sb1.lfs_tstamp < lfs_sb2.lfs_tstamp) 154 lfs_master = &lfs_sb2; 155 156 (void)printf("Master Superblock:\n"); 157 dump_super(lfs_master); 158 159 dump_ifile(fd, lfs_master, do_ientries); 160 161 if (seglist != NULL) 162 for (; seglist != NULL; seglist = seglist->next) { 163 seg_addr = lfs_master->lfs_sboffs[0] + seglist->num * 164 (lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb); 165 dump_segment(fd, 166 seglist->num, seg_addr, lfs_master, do_allsb); 167 } 168 else 169 for (segnum = 0, seg_addr = lfs_master->lfs_sboffs[0]; 170 segnum < lfs_master->lfs_nseg; segnum++, seg_addr += 171 lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb) 172 dump_segment(fd, 173 segnum, seg_addr, lfs_master, do_allsb); 174 175 (void)close(fd); 176 exit(0); 177 } 178 179 /* 180 * We are reading all the blocks of an inode and dumping out the ifile table. 181 * This code could be tighter, but this is a first pass at getting the stuff 182 * printed out rather than making this code incredibly efficient. 183 */ 184 static void 185 dump_ifile(fd, lfsp, do_ientries) 186 int fd; 187 struct lfs *lfsp; 188 int do_ientries; 189 { 190 IFILE *ipage; 191 struct dinode *dip, *dpage; 192 daddr_t addr, *addrp, *dindir, *iaddrp, *indir; 193 int block_limit, i, inum, j, nblocks, psize; 194 195 psize = lfsp->lfs_bsize; 196 addr = lfsp->lfs_idaddr; 197 198 if (!(dpage = malloc(psize))) 199 err(1, "malloc"); 200 get(fd, addr << daddr_shift, dpage, psize); 201 202 for (dip = dpage + INOPB(lfsp) - 1; dip >= dpage; --dip) 203 if (dip->di_inumber == LFS_IFILE_INUM) 204 break; 205 206 if (dip < dpage) 207 errx(1, "unable to locate ifile inode"); 208 209 (void)printf("\nIFILE inode\n"); 210 dump_dinode(dip); 211 212 (void)printf("\nIFILE contents\n"); 213 nblocks = dip->di_size >> lfsp->lfs_bshift; 214 block_limit = MIN(nblocks, NDADDR); 215 216 /* Get the direct block */ 217 if ((ipage = malloc(psize)) == NULL) 218 err(1, "malloc"); 219 for (inum = 0, addrp = dip->di_db, i = 0; i < block_limit; 220 i++, addrp++) { 221 get(fd, *addrp << daddr_shift, ipage, psize); 222 if (i < lfsp->lfs_cleansz) { 223 dump_cleaner_info(lfsp, ipage); 224 print_suheader; 225 continue; 226 } 227 228 if (i < (lfsp->lfs_segtabsz + lfsp->lfs_cleansz)) { 229 inum = dump_ipage_segusage(lfsp, inum, ipage, 230 lfsp->lfs_sepb); 231 if (!inum) 232 if(!do_ientries) 233 goto e0; 234 else 235 print_iheader; 236 } else 237 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb); 238 239 } 240 241 if (nblocks <= NDADDR) 242 goto e0; 243 244 /* Dump out blocks off of single indirect block */ 245 if (!(indir = malloc(psize))) 246 err(1, "malloc"); 247 get(fd, dip->di_ib[0] << daddr_shift, indir, psize); 248 block_limit = MIN(i + lfsp->lfs_nindir, nblocks); 249 for (addrp = indir; i < block_limit; i++, addrp++) { 250 if (*addrp == LFS_UNUSED_DADDR) 251 break; 252 get(fd, *addrp << daddr_shift,ipage, psize); 253 if (i < lfsp->lfs_cleansz) { 254 dump_cleaner_info(lfsp, ipage); 255 continue; 256 } else 257 i -= lfsp->lfs_cleansz; 258 259 if (i < lfsp->lfs_segtabsz) { 260 inum = dump_ipage_segusage(lfsp, inum, ipage, 261 lfsp->lfs_sepb); 262 if (!inum) 263 if(!do_ientries) 264 goto e1; 265 else 266 print_iheader; 267 } else 268 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb); 269 } 270 271 if (nblocks <= lfsp->lfs_nindir * lfsp->lfs_ifpb) 272 goto e1; 273 274 /* Get the double indirect block */ 275 if (!(dindir = malloc(psize))) 276 err(1, "malloc"); 277 get(fd, dip->di_ib[1] << daddr_shift, dindir, psize); 278 for (iaddrp = dindir, j = 0; j < lfsp->lfs_nindir; j++, iaddrp++) { 279 if (*iaddrp == LFS_UNUSED_DADDR) 280 break; 281 get(fd, *iaddrp << daddr_shift, indir, psize); 282 block_limit = MIN(i + lfsp->lfs_nindir, nblocks); 283 for (addrp = indir; i < block_limit; i++, addrp++) { 284 if (*addrp == LFS_UNUSED_DADDR) 285 break; 286 get(fd, *addrp << daddr_shift, ipage, psize); 287 if (i < lfsp->lfs_cleansz) { 288 dump_cleaner_info(lfsp, ipage); 289 continue; 290 } else 291 i -= lfsp->lfs_cleansz; 292 293 if (i < lfsp->lfs_segtabsz) { 294 inum = dump_ipage_segusage(lfsp, 295 inum, ipage, lfsp->lfs_sepb); 296 if (!inum) 297 if(!do_ientries) 298 goto e2; 299 else 300 print_iheader; 301 } else 302 inum = dump_ipage_ifile(inum, 303 ipage, lfsp->lfs_ifpb); 304 } 305 } 306 e2: free(dindir); 307 e1: free(indir); 308 e0: free(dpage); 309 free(ipage); 310 } 311 312 static int 313 dump_ipage_ifile(i, pp, tot) 314 int i; 315 IFILE *pp; 316 int tot; 317 { 318 IFILE *ip; 319 int cnt, max; 320 321 max = i + tot; 322 323 for (ip = pp, cnt = i; cnt < max; cnt++, ip++) 324 print_ientry(cnt, ip); 325 return (max); 326 } 327 328 static int 329 dump_ipage_segusage(lfsp, i, pp, tot) 330 struct lfs *lfsp; 331 int i; 332 IFILE *pp; 333 int tot; 334 { 335 SEGUSE *sp; 336 int cnt, max; 337 338 max = i + tot; 339 for (sp = (SEGUSE *)pp, cnt = i; 340 cnt < lfsp->lfs_nseg && cnt < max; cnt++, sp++) 341 print_suentry(cnt, sp); 342 if (max >= lfsp->lfs_nseg) 343 return (0); 344 else 345 return (max); 346 } 347 348 static void 349 dump_dinode(dip) 350 struct dinode *dip; 351 { 352 int i; 353 354 (void)printf("%s%d\t%s%d\t%s%d\t%s%d\t%s%d\n", 355 "mode ", dip->di_mode, 356 "nlink ", dip->di_nlink, 357 "uid ", dip->di_uid, 358 "gid ", dip->di_gid, 359 "size ", dip->di_size); 360 (void)printf("%s%s%s%s%s%s", 361 "atime ", ctime(&dip->di_atime.ts_sec), 362 "mtime ", ctime(&dip->di_mtime.ts_sec), 363 "ctime ", ctime(&dip->di_ctime.ts_sec)); 364 (void)printf("inum %d\n", dip->di_inumber); 365 (void)printf("Direct Addresses\n"); 366 for (i = 0; i < NDADDR; i++) { 367 (void)printf("\t0x%X", dip->di_db[i]); 368 if ((i % 6) == 5) 369 (void)printf("\n"); 370 } 371 for (i = 0; i < NIADDR; i++) 372 (void)printf("\t0x%X", dip->di_ib[i]); 373 (void)printf("\n"); 374 } 375 376 static int 377 dump_sum(fd, lfsp, sp, segnum, addr) 378 struct lfs *lfsp; 379 SEGSUM *sp; 380 int fd, segnum; 381 daddr_t addr; 382 { 383 FINFO *fp; 384 u_int32_t *dp; 385 int i, j; 386 int ck; 387 int numblocks; 388 struct dinode *inop; 389 390 if (sp->ss_sumsum != (ck = cksum(&sp->ss_datasum, 391 LFS_SUMMARY_SIZE - sizeof(sp->ss_sumsum)))) { 392 (void)printf("dumplfs: %s %d address 0x%lx\n", 393 "corrupt summary block; segment", segnum, addr); 394 return(0); 395 } 396 397 (void)printf("Segment Summary Info at 0x%lx\n", addr); 398 (void)printf(" %s0x%X\t%s%d\t%s%d\n %s0x%X\t%s0x%X", 399 "next ", sp->ss_next, 400 "nfinfo ", sp->ss_nfinfo, 401 "ninos ", sp->ss_ninos, 402 "sumsum ", sp->ss_sumsum, 403 "datasum ", sp->ss_datasum ); 404 (void)printf("\tcreate %s", ctime((time_t *)&sp->ss_create)); 405 406 numblocks = (sp->ss_ninos + INOPB(lfsp) - 1) / INOPB(lfsp); 407 408 /* Dump out inode disk addresses */ 409 dp = (daddr_t *)sp; 410 dp += LFS_SUMMARY_SIZE / sizeof(daddr_t); 411 inop = malloc(1 << lfsp->lfs_bshift); 412 printf(" Inode addresses:"); 413 for (dp--, i = 0; i < sp->ss_ninos; dp--) { 414 printf("\t0x%X {", *dp); 415 get(fd, *dp << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb), inop, 416 (1 << lfsp->lfs_bshift)); 417 for (j = 0; i < sp->ss_ninos && j < INOPB(lfsp); j++, i++) { 418 if (j > 0) 419 (void)printf(", "); 420 (void)printf("%d", inop[j].di_inumber); 421 } 422 (void)printf("}"); 423 if (((i/INOPB(lfsp)) % 4) == 3) 424 (void)printf("\n"); 425 } 426 free(inop); 427 428 printf("\n"); 429 for (fp = (FINFO *)(sp + 1), i = 0; i < sp->ss_nfinfo; i++) { 430 numblocks += fp->fi_nblocks; 431 (void)printf(" FINFO for inode: %d version %d nblocks %d\n", 432 fp->fi_ino, fp->fi_version, fp->fi_nblocks); 433 dp = &(fp->fi_blocks[0]); 434 for (j = 0; j < fp->fi_nblocks; j++, dp++) { 435 (void)printf("\t%d", *dp); 436 if ((j % 8) == 7) 437 (void)printf("\n"); 438 } 439 if ((j % 8) != 0) 440 (void)printf("\n"); 441 fp = (FINFO *)dp; 442 } 443 return (numblocks); 444 } 445 446 static void 447 dump_segment(fd, segnum, addr, lfsp, dump_sb) 448 int fd, segnum; 449 daddr_t addr; 450 struct lfs *lfsp; 451 int dump_sb; 452 { 453 struct lfs lfs_sb, *sbp; 454 SEGSUM *sump; 455 char sumblock[LFS_SUMMARY_SIZE]; 456 int did_one, nblocks, sb; 457 off_t sum_offset, super_off; 458 459 (void)printf("\nSEGMENT %d (Disk Address 0x%X)\n", 460 addr >> (lfsp->lfs_segshift - daddr_shift), addr); 461 sum_offset = (addr << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb)); 462 463 sb = 0; 464 did_one = 0; 465 do { 466 get(fd, sum_offset, sumblock, LFS_SUMMARY_SIZE); 467 sump = (SEGSUM *)sumblock; 468 if (sump->ss_sumsum != cksum (&sump->ss_datasum, 469 LFS_SUMMARY_SIZE - sizeof(sump->ss_sumsum))) { 470 sbp = (struct lfs *)sump; 471 if (sb = (sbp->lfs_magic == LFS_MAGIC)) { 472 super_off = sum_offset; 473 sum_offset += LFS_SBPAD; 474 } else if (did_one) 475 break; 476 else { 477 printf("Segment at 0x%X corrupt\n", addr); 478 break; 479 } 480 } else { 481 nblocks = dump_sum(fd, lfsp, sump, segnum, sum_offset >> 482 (lfsp->lfs_bshift - lfsp->lfs_fsbtodb)); 483 if (nblocks) 484 sum_offset += LFS_SUMMARY_SIZE + 485 (nblocks << lfsp->lfs_bshift); 486 else 487 sum_offset = 0; 488 did_one = 1; 489 } 490 } while (sum_offset); 491 492 if (dump_sb && sb) { 493 get(fd, super_off, &lfs_sb, sizeof(struct lfs)); 494 dump_super(&lfs_sb); 495 } 496 return; 497 } 498 499 static void 500 dump_super(lfsp) 501 struct lfs *lfsp; 502 { 503 int i; 504 505 (void)printf("%s0x%X\t%s0x%X\t%s%d\t%s%d\n", 506 "magic ", lfsp->lfs_magic, 507 "version ", lfsp->lfs_version, 508 "size ", lfsp->lfs_size, 509 "ssize ", lfsp->lfs_ssize); 510 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n", 511 "dsize ", lfsp->lfs_dsize, 512 "bsize ", lfsp->lfs_bsize, 513 "fsize ", lfsp->lfs_fsize, 514 "frag ", lfsp->lfs_frag); 515 516 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n", 517 "minfree ", lfsp->lfs_minfree, 518 "inopb ", lfsp->lfs_inopb, 519 "ifpb ", lfsp->lfs_ifpb, 520 "nindir ", lfsp->lfs_nindir); 521 522 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n", 523 "nseg ", lfsp->lfs_nseg, 524 "nspf ", lfsp->lfs_nspf, 525 "cleansz ", lfsp->lfs_cleansz, 526 "segtabsz ", lfsp->lfs_segtabsz); 527 528 (void)printf("%s0x%X\t%s%d\t%s0x%X\t%s%d\n", 529 "segmask ", lfsp->lfs_segmask, 530 "segshift ", lfsp->lfs_segshift, 531 "bmask ", lfsp->lfs_bmask, 532 "bshift ", lfsp->lfs_bshift); 533 534 (void)printf("%s0x%X\t\t%s%d\t%s0x%X\t%s%d\n", 535 "ffmask ", lfsp->lfs_ffmask, 536 "ffshift ", lfsp->lfs_ffshift, 537 "fbmask ", lfsp->lfs_fbmask, 538 "fbshift ", lfsp->lfs_fbshift); 539 540 (void)printf("%s%d\t%s%d\t%s0x%X\t%s0x%qx\n", 541 "sushift ", lfsp->lfs_sushift, 542 "fsbtodb ", lfsp->lfs_fsbtodb, 543 "cksum ", lfsp->lfs_cksum, 544 "maxfilesize ", lfsp->lfs_maxfilesize); 545 546 (void)printf("Superblock disk addresses:\t"); 547 for (i = 0; i < LFS_MAXNUMSB; i++) { 548 (void)printf(" 0x%X", lfsp->lfs_sboffs[i]); 549 if ( i == (LFS_MAXNUMSB >> 1)) 550 (void)printf("\n\t\t\t\t"); 551 } 552 (void)printf("\n"); 553 554 (void)printf("Checkpoint Info\n"); 555 (void)printf("%s%d\t%s0x%X\t%s%d\n", 556 "free ", lfsp->lfs_free, 557 "idaddr ", lfsp->lfs_idaddr, 558 "ifile ", lfsp->lfs_ifile); 559 (void)printf("%s%d\t%s%d\t%s%d\n", 560 "bfree ", lfsp->lfs_bfree, 561 "avail ", lfsp->lfs_avail, 562 "uinodes ", lfsp->lfs_uinodes); 563 (void)printf("%s%d\t%s0x%X\t%s0x%X\n%s0x%X\t%s0x%X\t", 564 "nfiles ", lfsp->lfs_nfiles, 565 "lastseg ", lfsp->lfs_lastseg, 566 "nextseg ", lfsp->lfs_nextseg, 567 "curseg ", lfsp->lfs_curseg, 568 "offset ", lfsp->lfs_offset); 569 (void)printf("tstamp %s", ctime((time_t *)&lfsp->lfs_tstamp)); 570 (void)printf("\nIn-Memory Information\n"); 571 (void)printf("%s%d\t%s0x%X\t%s%d%s%d\t%s%d\n", 572 "seglock ", lfsp->lfs_seglock, 573 "iocount ", lfsp->lfs_iocount, 574 "writer ", lfsp->lfs_writer, 575 "dirops ", lfsp->lfs_dirops, 576 "doifile ", lfsp->lfs_doifile); 577 (void)printf("%s%d\t%s%d\t%s0x%X\t%s%d\n", 578 "nactive ", lfsp->lfs_nactive, 579 "fmod ", lfsp->lfs_fmod, 580 "clean ", lfsp->lfs_clean, 581 "ronly ", lfsp->lfs_ronly); 582 } 583 584 static void 585 addseg(arg) 586 char *arg; 587 { 588 SEGLIST *p; 589 590 if ((p = malloc(sizeof(SEGLIST))) == NULL) 591 err(1, "malloc"); 592 p->next = seglist; 593 p->num = atoi(arg); 594 seglist = p; 595 } 596 597 static void 598 dump_cleaner_info(lfsp, ipage) 599 struct lfs *lfsp; 600 void *ipage; 601 { 602 CLEANERINFO *cip; 603 604 cip = (CLEANERINFO *)ipage; 605 (void)printf("segments clean\t%d\tsegments dirty\t%d\n\n", 606 cip->clean, cip->dirty); 607 } 608 609 static void 610 usage() 611 { 612 (void)fprintf(stderr, "usage: dumplfs [-ai] [-s segnum] file\n"); 613 exit(1); 614 } 615