dumplfs.c revision 1.7 1 /* $NetBSD: dumplfs.c,v 1.7 1995/12/14 22:36:34 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #ifndef lint
37 static char copyright[] =
38 "@(#) Copyright (c) 1991, 1993\n\
39 The Regents of the University of California. All rights reserved.\n";
40 #endif /* not lint */
41
42 #ifndef lint
43 #if 0
44 static char sccsid[] = "@(#)dumplfs.c 8.1 (Berkeley) 6/5/93";
45 #else
46 static char rcsid[] = "$NetBSD: dumplfs.c,v 1.7 1995/12/14 22:36:34 thorpej Exp $";
47 #endif
48 #endif /* not lint */
49
50 #include <sys/param.h>
51 #include <sys/ucred.h>
52 #include <sys/mount.h>
53 #include <sys/time.h>
54
55 #include <ufs/ufs/dinode.h>
56 #include <ufs/lfs/lfs.h>
57
58 #include <err.h>
59 #include <errno.h>
60 #include <fcntl.h>
61 #include <fstab.h>
62 #include <stdlib.h>
63 #include <stdio.h>
64 #include <string.h>
65 #include <unistd.h>
66 #include "extern.h"
67
68 static void addseg __P((char *));
69 static void dump_cleaner_info __P((struct lfs *, void *));
70 static void dump_dinode __P((struct dinode *));
71 static void dump_ifile __P((int, struct lfs *, int));
72 static int dump_ipage_ifile __P((int, IFILE *, int));
73 static int dump_ipage_segusage __P((struct lfs *, int, IFILE *, int));
74 static void dump_segment __P((int, int, daddr_t, struct lfs *, int));
75 static int dump_sum __P((int, struct lfs *, SEGSUM *, int, daddr_t));
76 static void dump_super __P((struct lfs *));
77 static void usage __P((void));
78
79 typedef struct seglist SEGLIST;
80 struct seglist {
81 SEGLIST *next;
82 int num;
83 };
84 SEGLIST *seglist;
85
86 int daddr_shift;
87 char *special;
88
89 /* Segment Usage formats */
90 #define print_suheader \
91 (void)printf("segnum\tflags\tnbytes\tninos\tnsums\tlastmod\n")
92
93 #define print_suentry(i, sp) \
94 (void)printf("%d\t%c%c%c\t%d\t%d\t%d\t%s", i, \
95 (((sp)->su_flags & SEGUSE_ACTIVE) ? 'A' : ' '), \
96 (((sp)->su_flags & SEGUSE_DIRTY) ? 'D' : 'C'), \
97 (((sp)->su_flags & SEGUSE_SUPERBLOCK) ? 'S' : ' '), \
98 (sp)->su_nbytes, (sp)->su_ninos, (sp)->su_nsums, \
99 ctime((time_t *)&(sp)->su_lastmod))
100
101 /* Ifile formats */
102 #define print_iheader \
103 (void)printf("inum\tstatus\tversion\tdaddr\t\tfreeptr\n")
104 #define print_ientry(i, ip) \
105 if (ip->if_daddr == LFS_UNUSED_DADDR) \
106 (void)printf("%d\tFREE\t%d\t \t\t%d\n", \
107 i, ip->if_version, ip->if_nextfree); \
108 else \
109 (void)printf("%d\tINUSE\t%d\t%8X \n", \
110 i, ip->if_version, ip->if_daddr)
111 int
112 main(argc, argv)
113 int argc;
114 char *argv[];
115 {
116 struct lfs lfs_sb1, lfs_sb2, *lfs_master;
117 daddr_t seg_addr;
118 int ch, do_allsb, do_ientries, fd, segnum;
119
120 do_allsb = 0;
121 do_ientries = 0;
122 while ((ch = getopt(argc, argv, "ais:")) != -1)
123 switch(ch) {
124 case 'a': /* Dump all superblocks */
125 do_allsb = 1;
126 break;
127 case 'i': /* Dump ifile entries */
128 do_ientries = 1;
129 break;
130 case 's': /* Dump out these segments */
131 addseg(optarg);
132 break;
133 default:
134 usage();
135 }
136 argc -= optind;
137 argv += optind;
138
139 if (argc != 1)
140 usage();
141
142 special = argv[0];
143 if ((fd = open(special, O_RDONLY, 0)) < 0)
144 err(1, "%s", special);
145
146 /* Read the first superblock */
147 get(fd, LFS_LABELPAD, &lfs_sb1, sizeof(struct lfs));
148 daddr_shift = lfs_sb1.lfs_bshift - lfs_sb1.lfs_fsbtodb;
149
150 /*
151 * Read the second superblock and figure out which check point is
152 * most up to date.
153 */
154 get(fd,
155 lfs_sb1.lfs_sboffs[1] << daddr_shift, &lfs_sb2, sizeof(struct lfs));
156
157 lfs_master = &lfs_sb1;
158 if (lfs_sb1.lfs_tstamp < lfs_sb2.lfs_tstamp)
159 lfs_master = &lfs_sb2;
160
161 (void)printf("Master Superblock:\n");
162 dump_super(lfs_master);
163
164 dump_ifile(fd, lfs_master, do_ientries);
165
166 if (seglist != NULL)
167 for (; seglist != NULL; seglist = seglist->next) {
168 seg_addr = lfs_master->lfs_sboffs[0] + seglist->num *
169 (lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb);
170 dump_segment(fd,
171 seglist->num, seg_addr, lfs_master, do_allsb);
172 }
173 else
174 for (segnum = 0, seg_addr = lfs_master->lfs_sboffs[0];
175 segnum < lfs_master->lfs_nseg; segnum++, seg_addr +=
176 lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb)
177 dump_segment(fd,
178 segnum, seg_addr, lfs_master, do_allsb);
179
180 (void)close(fd);
181 exit(0);
182 }
183
184 /*
185 * We are reading all the blocks of an inode and dumping out the ifile table.
186 * This code could be tighter, but this is a first pass at getting the stuff
187 * printed out rather than making this code incredibly efficient.
188 */
189 static void
190 dump_ifile(fd, lfsp, do_ientries)
191 int fd;
192 struct lfs *lfsp;
193 int do_ientries;
194 {
195 IFILE *ipage;
196 struct dinode *dip, *dpage;
197 daddr_t addr, *addrp, *dindir, *iaddrp, *indir;
198 int block_limit, i, inum, j, nblocks, psize;
199
200 psize = lfsp->lfs_bsize;
201 addr = lfsp->lfs_idaddr;
202
203 if (!(dpage = malloc(psize)))
204 err(1, "malloc");
205 get(fd, addr << daddr_shift, dpage, psize);
206
207 for (dip = dpage + INOPB(lfsp) - 1; dip >= dpage; --dip)
208 if (dip->di_inumber == LFS_IFILE_INUM)
209 break;
210
211 if (dip < dpage)
212 errx(1, "unable to locate ifile inode");
213
214 (void)printf("\nIFILE inode\n");
215 dump_dinode(dip);
216
217 (void)printf("\nIFILE contents\n");
218 nblocks = dip->di_size >> lfsp->lfs_bshift;
219 block_limit = MIN(nblocks, NDADDR);
220
221 /* Get the direct block */
222 if ((ipage = malloc(psize)) == NULL)
223 err(1, "malloc");
224 for (inum = 0, addrp = dip->di_db, i = 0; i < block_limit;
225 i++, addrp++) {
226 get(fd, *addrp << daddr_shift, ipage, psize);
227 if (i < lfsp->lfs_cleansz) {
228 dump_cleaner_info(lfsp, ipage);
229 print_suheader;
230 continue;
231 }
232
233 if (i < (lfsp->lfs_segtabsz + lfsp->lfs_cleansz)) {
234 inum = dump_ipage_segusage(lfsp, inum, ipage,
235 lfsp->lfs_sepb);
236 if (!inum)
237 if(!do_ientries)
238 goto e0;
239 else
240 print_iheader;
241 } else
242 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb);
243
244 }
245
246 if (nblocks <= NDADDR)
247 goto e0;
248
249 /* Dump out blocks off of single indirect block */
250 if (!(indir = malloc(psize)))
251 err(1, "malloc");
252 get(fd, dip->di_ib[0] << daddr_shift, indir, psize);
253 block_limit = MIN(i + lfsp->lfs_nindir, nblocks);
254 for (addrp = indir; i < block_limit; i++, addrp++) {
255 if (*addrp == LFS_UNUSED_DADDR)
256 break;
257 get(fd, *addrp << daddr_shift,ipage, psize);
258 if (i < lfsp->lfs_cleansz) {
259 dump_cleaner_info(lfsp, ipage);
260 continue;
261 } else
262 i -= lfsp->lfs_cleansz;
263
264 if (i < lfsp->lfs_segtabsz) {
265 inum = dump_ipage_segusage(lfsp, inum, ipage,
266 lfsp->lfs_sepb);
267 if (!inum)
268 if(!do_ientries)
269 goto e1;
270 else
271 print_iheader;
272 } else
273 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb);
274 }
275
276 if (nblocks <= lfsp->lfs_nindir * lfsp->lfs_ifpb)
277 goto e1;
278
279 /* Get the double indirect block */
280 if (!(dindir = malloc(psize)))
281 err(1, "malloc");
282 get(fd, dip->di_ib[1] << daddr_shift, dindir, psize);
283 for (iaddrp = dindir, j = 0; j < lfsp->lfs_nindir; j++, iaddrp++) {
284 if (*iaddrp == LFS_UNUSED_DADDR)
285 break;
286 get(fd, *iaddrp << daddr_shift, indir, psize);
287 block_limit = MIN(i + lfsp->lfs_nindir, nblocks);
288 for (addrp = indir; i < block_limit; i++, addrp++) {
289 if (*addrp == LFS_UNUSED_DADDR)
290 break;
291 get(fd, *addrp << daddr_shift, ipage, psize);
292 if (i < lfsp->lfs_cleansz) {
293 dump_cleaner_info(lfsp, ipage);
294 continue;
295 } else
296 i -= lfsp->lfs_cleansz;
297
298 if (i < lfsp->lfs_segtabsz) {
299 inum = dump_ipage_segusage(lfsp,
300 inum, ipage, lfsp->lfs_sepb);
301 if (!inum)
302 if(!do_ientries)
303 goto e2;
304 else
305 print_iheader;
306 } else
307 inum = dump_ipage_ifile(inum,
308 ipage, lfsp->lfs_ifpb);
309 }
310 }
311 e2: free(dindir);
312 e1: free(indir);
313 e0: free(dpage);
314 free(ipage);
315 }
316
317 static int
318 dump_ipage_ifile(i, pp, tot)
319 int i;
320 IFILE *pp;
321 int tot;
322 {
323 IFILE *ip;
324 int cnt, max;
325
326 max = i + tot;
327
328 for (ip = pp, cnt = i; cnt < max; cnt++, ip++)
329 print_ientry(cnt, ip);
330 return (max);
331 }
332
333 static int
334 dump_ipage_segusage(lfsp, i, pp, tot)
335 struct lfs *lfsp;
336 int i;
337 IFILE *pp;
338 int tot;
339 {
340 SEGUSE *sp;
341 int cnt, max;
342
343 max = i + tot;
344 for (sp = (SEGUSE *)pp, cnt = i;
345 cnt < lfsp->lfs_nseg && cnt < max; cnt++, sp++)
346 print_suentry(cnt, sp);
347 if (max >= lfsp->lfs_nseg)
348 return (0);
349 else
350 return (max);
351 }
352
353 static void
354 dump_dinode(dip)
355 struct dinode *dip;
356 {
357 int i;
358 time_t at, mt, ct;
359
360 at = dip->di_atime;
361 mt = dip->di_mtime;
362 ct = dip->di_ctime;
363
364 (void)printf("%s%d\t%s%d\t%s%d\t%s%d\t%s%d\n",
365 "mode ", dip->di_mode,
366 "nlink ", dip->di_nlink,
367 "uid ", dip->di_uid,
368 "gid ", dip->di_gid,
369 "size ", dip->di_size);
370 (void)printf("%s%s%s%s%s%s",
371 "atime ", ctime(&at),
372 "mtime ", ctime(&mt),
373 "ctime ", ctime(&ct));
374 (void)printf("inum %d\n", dip->di_inumber);
375 (void)printf("Direct Addresses\n");
376 for (i = 0; i < NDADDR; i++) {
377 (void)printf("\t0x%X", dip->di_db[i]);
378 if ((i % 6) == 5)
379 (void)printf("\n");
380 }
381 for (i = 0; i < NIADDR; i++)
382 (void)printf("\t0x%X", dip->di_ib[i]);
383 (void)printf("\n");
384 }
385
386 static int
387 dump_sum(fd, lfsp, sp, segnum, addr)
388 struct lfs *lfsp;
389 SEGSUM *sp;
390 int fd, segnum;
391 daddr_t addr;
392 {
393 FINFO *fp;
394 u_int32_t *dp;
395 int i, j;
396 int ck;
397 int numblocks;
398 struct dinode *inop;
399
400 if (sp->ss_sumsum != (ck = cksum(&sp->ss_datasum,
401 LFS_SUMMARY_SIZE - sizeof(sp->ss_sumsum)))) {
402 (void)printf("dumplfs: %s %d address 0x%lx\n",
403 "corrupt summary block; segment", segnum, addr);
404 return(0);
405 }
406
407 (void)printf("Segment Summary Info at 0x%lx\n", addr);
408 (void)printf(" %s0x%X\t%s%d\t%s%d\n %s0x%X\t%s0x%X",
409 "next ", sp->ss_next,
410 "nfinfo ", sp->ss_nfinfo,
411 "ninos ", sp->ss_ninos,
412 "sumsum ", sp->ss_sumsum,
413 "datasum ", sp->ss_datasum );
414 (void)printf("\tcreate %s", ctime((time_t *)&sp->ss_create));
415
416 numblocks = (sp->ss_ninos + INOPB(lfsp) - 1) / INOPB(lfsp);
417
418 /* Dump out inode disk addresses */
419 dp = (daddr_t *)sp;
420 dp += LFS_SUMMARY_SIZE / sizeof(daddr_t);
421 inop = malloc(1 << lfsp->lfs_bshift);
422 printf(" Inode addresses:");
423 for (dp--, i = 0; i < sp->ss_ninos; dp--) {
424 printf("\t0x%X {", *dp);
425 get(fd, *dp << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb), inop,
426 (1 << lfsp->lfs_bshift));
427 for (j = 0; i < sp->ss_ninos && j < INOPB(lfsp); j++, i++) {
428 if (j > 0)
429 (void)printf(", ");
430 (void)printf("%d", inop[j].di_inumber);
431 }
432 (void)printf("}");
433 if (((i/INOPB(lfsp)) % 4) == 3)
434 (void)printf("\n");
435 }
436 free(inop);
437
438 printf("\n");
439 for (fp = (FINFO *)(sp + 1), i = 0; i < sp->ss_nfinfo; i++) {
440 numblocks += fp->fi_nblocks;
441 (void)printf(" FINFO for inode: %d version %d nblocks %d\n",
442 fp->fi_ino, fp->fi_version, fp->fi_nblocks);
443 dp = &(fp->fi_blocks[0]);
444 for (j = 0; j < fp->fi_nblocks; j++, dp++) {
445 (void)printf("\t%d", *dp);
446 if ((j % 8) == 7)
447 (void)printf("\n");
448 }
449 if ((j % 8) != 0)
450 (void)printf("\n");
451 fp = (FINFO *)dp;
452 }
453 return (numblocks);
454 }
455
456 static void
457 dump_segment(fd, segnum, addr, lfsp, dump_sb)
458 int fd, segnum;
459 daddr_t addr;
460 struct lfs *lfsp;
461 int dump_sb;
462 {
463 struct lfs lfs_sb, *sbp;
464 SEGSUM *sump;
465 char sumblock[LFS_SUMMARY_SIZE];
466 int did_one, nblocks, sb;
467 off_t sum_offset, super_off;
468
469 (void)printf("\nSEGMENT %d (Disk Address 0x%X)\n",
470 addr >> (lfsp->lfs_segshift - daddr_shift), addr);
471 sum_offset = (addr << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb));
472
473 sb = 0;
474 did_one = 0;
475 do {
476 get(fd, sum_offset, sumblock, LFS_SUMMARY_SIZE);
477 sump = (SEGSUM *)sumblock;
478 if (sump->ss_sumsum != cksum (&sump->ss_datasum,
479 LFS_SUMMARY_SIZE - sizeof(sump->ss_sumsum))) {
480 sbp = (struct lfs *)sump;
481 if (sb = (sbp->lfs_magic == LFS_MAGIC)) {
482 super_off = sum_offset;
483 sum_offset += LFS_SBPAD;
484 } else if (did_one)
485 break;
486 else {
487 printf("Segment at 0x%X corrupt\n", addr);
488 break;
489 }
490 } else {
491 nblocks = dump_sum(fd, lfsp, sump, segnum, sum_offset >>
492 (lfsp->lfs_bshift - lfsp->lfs_fsbtodb));
493 if (nblocks)
494 sum_offset += LFS_SUMMARY_SIZE +
495 (nblocks << lfsp->lfs_bshift);
496 else
497 sum_offset = 0;
498 did_one = 1;
499 }
500 } while (sum_offset);
501
502 if (dump_sb && sb) {
503 get(fd, super_off, &lfs_sb, sizeof(struct lfs));
504 dump_super(&lfs_sb);
505 }
506 return;
507 }
508
509 static void
510 dump_super(lfsp)
511 struct lfs *lfsp;
512 {
513 int i;
514
515 (void)printf("%s0x%X\t%s0x%X\t%s%d\t%s%d\n",
516 "magic ", lfsp->lfs_magic,
517 "version ", lfsp->lfs_version,
518 "size ", lfsp->lfs_size,
519 "ssize ", lfsp->lfs_ssize);
520 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
521 "dsize ", lfsp->lfs_dsize,
522 "bsize ", lfsp->lfs_bsize,
523 "fsize ", lfsp->lfs_fsize,
524 "frag ", lfsp->lfs_frag);
525
526 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
527 "minfree ", lfsp->lfs_minfree,
528 "inopb ", lfsp->lfs_inopb,
529 "ifpb ", lfsp->lfs_ifpb,
530 "nindir ", lfsp->lfs_nindir);
531
532 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
533 "nseg ", lfsp->lfs_nseg,
534 "nspf ", lfsp->lfs_nspf,
535 "cleansz ", lfsp->lfs_cleansz,
536 "segtabsz ", lfsp->lfs_segtabsz);
537
538 (void)printf("%s0x%X\t%s%d\t%s0x%X\t%s%d\n",
539 "segmask ", lfsp->lfs_segmask,
540 "segshift ", lfsp->lfs_segshift,
541 "bmask ", lfsp->lfs_bmask,
542 "bshift ", lfsp->lfs_bshift);
543
544 (void)printf("%s0x%X\t\t%s%d\t%s0x%X\t%s%d\n",
545 "ffmask ", lfsp->lfs_ffmask,
546 "ffshift ", lfsp->lfs_ffshift,
547 "fbmask ", lfsp->lfs_fbmask,
548 "fbshift ", lfsp->lfs_fbshift);
549
550 (void)printf("%s%d\t%s%d\t%s0x%X\t%s0x%qx\n",
551 "sushift ", lfsp->lfs_sushift,
552 "fsbtodb ", lfsp->lfs_fsbtodb,
553 "cksum ", lfsp->lfs_cksum,
554 "maxfilesize ", lfsp->lfs_maxfilesize);
555
556 (void)printf("Superblock disk addresses:\t");
557 for (i = 0; i < LFS_MAXNUMSB; i++) {
558 (void)printf(" 0x%X", lfsp->lfs_sboffs[i]);
559 if ( i == (LFS_MAXNUMSB >> 1))
560 (void)printf("\n\t\t\t\t");
561 }
562 (void)printf("\n");
563
564 (void)printf("Checkpoint Info\n");
565 (void)printf("%s%d\t%s0x%X\t%s%d\n",
566 "free ", lfsp->lfs_free,
567 "idaddr ", lfsp->lfs_idaddr,
568 "ifile ", lfsp->lfs_ifile);
569 (void)printf("%s%d\t%s%d\t%s%d\n",
570 "bfree ", lfsp->lfs_bfree,
571 "avail ", lfsp->lfs_avail,
572 "uinodes ", lfsp->lfs_uinodes);
573 (void)printf("%s%d\t%s0x%X\t%s0x%X\n%s0x%X\t%s0x%X\t",
574 "nfiles ", lfsp->lfs_nfiles,
575 "lastseg ", lfsp->lfs_lastseg,
576 "nextseg ", lfsp->lfs_nextseg,
577 "curseg ", lfsp->lfs_curseg,
578 "offset ", lfsp->lfs_offset);
579 (void)printf("tstamp %s", ctime((time_t *)&lfsp->lfs_tstamp));
580 (void)printf("\nIn-Memory Information\n");
581 (void)printf("%s%d\t%s0x%X\t%s%d%s%d\t%s%d\n",
582 "seglock ", lfsp->lfs_seglock,
583 "iocount ", lfsp->lfs_iocount,
584 "writer ", lfsp->lfs_writer,
585 "dirops ", lfsp->lfs_dirops,
586 "doifile ", lfsp->lfs_doifile);
587 (void)printf("%s%d\t%s%d\t%s0x%X\t%s%d\n",
588 "nactive ", lfsp->lfs_nactive,
589 "fmod ", lfsp->lfs_fmod,
590 "clean ", lfsp->lfs_clean,
591 "ronly ", lfsp->lfs_ronly);
592 }
593
594 static void
595 addseg(arg)
596 char *arg;
597 {
598 SEGLIST *p;
599
600 if ((p = malloc(sizeof(SEGLIST))) == NULL)
601 err(1, "malloc");
602 p->next = seglist;
603 p->num = atoi(arg);
604 seglist = p;
605 }
606
607 static void
608 dump_cleaner_info(lfsp, ipage)
609 struct lfs *lfsp;
610 void *ipage;
611 {
612 CLEANERINFO *cip;
613
614 cip = (CLEANERINFO *)ipage;
615 (void)printf("segments clean\t%d\tsegments dirty\t%d\n\n",
616 cip->clean, cip->dirty);
617 }
618
619 static void
620 usage()
621 {
622 (void)fprintf(stderr, "usage: dumplfs [-ai] [-s segnum] file\n");
623 exit(1);
624 }
625