dumplfs.c revision 1.13 1 /* $NetBSD: dumplfs.c,v 1.13 1999/05/02 00:26:01 perseant 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 #include <sys/cdefs.h>
37
38 #ifndef lint
39 __COPYRIGHT(
40 "@(#) Copyright (c) 1991, 1993\n\
41 The Regents of the University of California. All rights reserved.\n");
42 #endif /* not lint */
43
44 #ifndef lint
45 #if 0
46 static char sccsid[] = "@(#)dumplfs.c 8.5 (Berkeley) 5/24/95";
47 #else
48 __RCSID("$NetBSD: dumplfs.c,v 1.13 1999/05/02 00:26:01 perseant Exp $");
49 #endif
50 #endif /* not lint */
51
52 #include <sys/param.h>
53 #include <sys/ucred.h>
54 #include <sys/mount.h>
55 #include <sys/time.h>
56
57 #include <ufs/ufs/dinode.h>
58 #include <ufs/lfs/lfs.h>
59
60 #include <err.h>
61 #include <errno.h>
62 #include <fcntl.h>
63 #include <fstab.h>
64 #include <stdlib.h>
65 #include <stdio.h>
66 #include <string.h>
67 #include <unistd.h>
68 #include "extern.h"
69
70 static void addseg __P((char *));
71 static void dump_cleaner_info __P((struct lfs *, void *));
72 static void dump_dinode __P((struct dinode *));
73 static void dump_ifile __P((int, struct lfs *, int));
74 static int dump_ipage_ifile __P((int, IFILE *, int));
75 static int dump_ipage_segusage __P((struct lfs *, int, IFILE *, int));
76 static void dump_segment __P((int, int, daddr_t, struct lfs *, int));
77 static int dump_sum __P((int, struct lfs *, SEGSUM *, int, daddr_t));
78 static void dump_super __P((struct lfs *));
79 static void usage __P((void));
80
81 int main __P((int, char *[]));
82
83 extern u_long cksum __P((void *, size_t));
84
85 typedef struct seglist SEGLIST;
86 struct seglist {
87 SEGLIST *next;
88 int num;
89 };
90 SEGLIST *seglist;
91
92 int daddr_shift;
93 char *special;
94
95 /* Segment Usage formats */
96 #define print_suheader \
97 (void)printf("segnum\tflags\tnbytes\tninos\tnsums\tlastmod\n")
98
99 #define print_suentry(i, sp) \
100 (void)printf("%d\t%c%c%c\t%d\t%d\t%d\t%s", i, \
101 (((sp)->su_flags & SEGUSE_ACTIVE) ? 'A' : ' '), \
102 (((sp)->su_flags & SEGUSE_DIRTY) ? 'D' : 'C'), \
103 (((sp)->su_flags & SEGUSE_SUPERBLOCK) ? 'S' : ' '), \
104 (sp)->su_nbytes, (sp)->su_ninos, (sp)->su_nsums, \
105 ctime((time_t *)&(sp)->su_lastmod))
106
107 /* Ifile formats */
108 #define print_iheader \
109 (void)printf("inum\tstatus\tversion\tdaddr\t\tfreeptr\n")
110 #define print_ientry(i, ip) \
111 if (ip->if_daddr == LFS_UNUSED_DADDR) \
112 (void)printf("%d\tFREE\t%d\t \t\t%d\n", \
113 i, ip->if_version, ip->if_nextfree); \
114 else \
115 (void)printf("%d\tINUSE\t%d\t%8X \n", \
116 i, ip->if_version, ip->if_daddr)
117
118 int
119 main(argc, argv)
120 int argc;
121 char *argv[];
122 {
123 struct lfs lfs_sb1, lfs_sb2, *lfs_master;
124 daddr_t seg_addr;
125 int ch, do_allsb, do_ientries, fd, segnum;
126
127 do_allsb = 0;
128 do_ientries = 0;
129 while ((ch = getopt(argc, argv, "ais:")) != -1)
130 switch(ch) {
131 case 'a': /* Dump all superblocks */
132 do_allsb = 1;
133 break;
134 case 'i': /* Dump ifile entries */
135 do_ientries = 1;
136 break;
137 case 's': /* Dump out these segments */
138 addseg(optarg);
139 break;
140 default:
141 usage();
142 }
143 argc -= optind;
144 argv += optind;
145
146 if (argc != 1)
147 usage();
148
149 special = argv[0];
150 if ((fd = open(special, O_RDONLY, 0)) < 0)
151 err(1, "%s", special);
152
153 /* Read the first superblock */
154 get(fd, LFS_LABELPAD, &(lfs_sb1.lfs_dlfs), sizeof(struct dlfs));
155 daddr_shift = lfs_sb1.lfs_bshift - lfs_sb1.lfs_fsbtodb;
156
157 /*
158 * Read the second superblock and figure out which check point is
159 * most up to date.
160 */
161 get(fd,
162 lfs_sb1.lfs_sboffs[1] << daddr_shift, &(lfs_sb2.lfs_dlfs), sizeof(struct dlfs));
163
164 lfs_master = &lfs_sb1;
165 if (lfs_sb1.lfs_tstamp > lfs_sb2.lfs_tstamp) {
166 lfs_master = &lfs_sb2;
167 }
168
169 (void)printf("Master Superblock at 0x%x:\n", (lfs_master==&lfs_sb1 ? (LFS_LABELPAD>>daddr_shift) : lfs_sb1.lfs_sboffs[1]));
170 dump_super(lfs_master);
171
172 dump_ifile(fd, lfs_master, do_ientries);
173
174 if (seglist != NULL)
175 for (; seglist != NULL; seglist = seglist->next) {
176 seg_addr = lfs_master->lfs_sboffs[0] + seglist->num *
177 (lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb);
178 dump_segment(fd,
179 seglist->num, seg_addr, lfs_master, do_allsb);
180 }
181 else
182 for (segnum = 0, seg_addr = lfs_master->lfs_sboffs[0];
183 segnum < lfs_master->lfs_nseg; segnum++, seg_addr +=
184 lfs_master->lfs_ssize << lfs_master->lfs_fsbtodb)
185 dump_segment(fd,
186 segnum, seg_addr, lfs_master, do_allsb);
187
188 (void)close(fd);
189 exit(0);
190 }
191
192 /*
193 * We are reading all the blocks of an inode and dumping out the ifile table.
194 * This code could be tighter, but this is a first pass at getting the stuff
195 * printed out rather than making this code incredibly efficient.
196 */
197 static void
198 dump_ifile(fd, lfsp, do_ientries)
199 int fd;
200 struct lfs *lfsp;
201 int do_ientries;
202 {
203 IFILE *ipage;
204 struct dinode *dip, *dpage;
205 daddr_t addr, *addrp, *dindir, *iaddrp, *indir;
206 int block_limit, i, inum, j, nblocks, psize;
207
208 psize = lfsp->lfs_bsize;
209 addr = lfsp->lfs_idaddr;
210
211 if (!(dpage = malloc(psize)))
212 err(1, "malloc");
213 get(fd, addr << daddr_shift, dpage, psize);
214
215 for (dip = dpage + INOPB(lfsp) - 1; dip >= dpage; --dip)
216 if (dip->di_inumber == LFS_IFILE_INUM)
217 break;
218
219 if (dip < dpage)
220 errx(1, "unable to locate ifile inode");
221
222 (void)printf("\nIFILE inode\n");
223 dump_dinode(dip);
224
225 (void)printf("\nIFILE contents\n");
226 nblocks = dip->di_size >> lfsp->lfs_bshift;
227 block_limit = MIN(nblocks, NDADDR);
228
229 /* Get the direct block */
230 if ((ipage = malloc(psize)) == NULL)
231 err(1, "malloc");
232 for (inum = 0, addrp = dip->di_db, i = 0; i < block_limit;
233 i++, addrp++) {
234 get(fd, *addrp << daddr_shift, ipage, psize);
235 if (i < lfsp->lfs_cleansz) {
236 dump_cleaner_info(lfsp, ipage);
237 print_suheader;
238 continue;
239 }
240
241 if (i < (lfsp->lfs_segtabsz + lfsp->lfs_cleansz)) {
242 inum = dump_ipage_segusage(lfsp, inum, ipage,
243 lfsp->lfs_sepb);
244 if (!inum) {
245 if(!do_ientries)
246 goto e0;
247 else
248 print_iheader;
249 }
250 } else
251 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb);
252
253 }
254
255 if (nblocks <= NDADDR)
256 goto e0;
257
258 /* Dump out blocks off of single indirect block */
259 if (!(indir = malloc(psize)))
260 err(1, "malloc");
261 get(fd, dip->di_ib[0] << daddr_shift, indir, psize);
262 block_limit = MIN(i + lfsp->lfs_nindir, nblocks);
263 for (addrp = indir; i < block_limit; i++, addrp++) {
264 if (*addrp == LFS_UNUSED_DADDR)
265 break;
266 get(fd, *addrp << daddr_shift,ipage, psize);
267 if (i < lfsp->lfs_cleansz) {
268 dump_cleaner_info(lfsp, ipage);
269 continue;
270 } else
271 i -= lfsp->lfs_cleansz;
272
273 if (i < lfsp->lfs_segtabsz) {
274 inum = dump_ipage_segusage(lfsp, inum, ipage,
275 lfsp->lfs_sepb);
276 if (!inum) {
277 if(!do_ientries)
278 goto e1;
279 else
280 print_iheader;
281 }
282 } else
283 inum = dump_ipage_ifile(inum, ipage, lfsp->lfs_ifpb);
284 }
285
286 if (nblocks <= lfsp->lfs_nindir * lfsp->lfs_ifpb)
287 goto e1;
288
289 /* Get the double indirect block */
290 if (!(dindir = malloc(psize)))
291 err(1, "malloc");
292 get(fd, dip->di_ib[1] << daddr_shift, dindir, psize);
293 for (iaddrp = dindir, j = 0; j < lfsp->lfs_nindir; j++, iaddrp++) {
294 if (*iaddrp == LFS_UNUSED_DADDR)
295 break;
296 get(fd, *iaddrp << daddr_shift, indir, psize);
297 block_limit = MIN(i + lfsp->lfs_nindir, nblocks);
298 for (addrp = indir; i < block_limit; i++, addrp++) {
299 if (*addrp == LFS_UNUSED_DADDR)
300 break;
301 get(fd, *addrp << daddr_shift, ipage, psize);
302 if (i < lfsp->lfs_cleansz) {
303 dump_cleaner_info(lfsp, ipage);
304 continue;
305 } else
306 i -= lfsp->lfs_cleansz;
307
308 if (i < lfsp->lfs_segtabsz) {
309 inum = dump_ipage_segusage(lfsp,
310 inum, ipage, lfsp->lfs_sepb);
311 if (!inum) {
312 if(!do_ientries)
313 goto e2;
314 else
315 print_iheader;
316 }
317 } else
318 inum = dump_ipage_ifile(inum,
319 ipage, lfsp->lfs_ifpb);
320 }
321 }
322 e2: free(dindir);
323 e1: free(indir);
324 e0: free(dpage);
325 free(ipage);
326 }
327
328 static int
329 dump_ipage_ifile(i, pp, tot)
330 int i;
331 IFILE *pp;
332 int tot;
333 {
334 IFILE *ip;
335 int cnt, max;
336
337 max = i + tot;
338
339 for (ip = pp, cnt = i; cnt < max; cnt++, ip++)
340 print_ientry(cnt, ip);
341 return (max);
342 }
343
344 static int
345 dump_ipage_segusage(lfsp, i, pp, tot)
346 struct lfs *lfsp;
347 int i;
348 IFILE *pp;
349 int tot;
350 {
351 SEGUSE *sp;
352 int cnt, max;
353
354 max = i + tot;
355 for (sp = (SEGUSE *)pp, cnt = i;
356 cnt < lfsp->lfs_nseg && cnt < max; cnt++, sp++)
357 print_suentry(cnt, sp);
358 if (max >= lfsp->lfs_nseg)
359 return (0);
360 else
361 return (max);
362 }
363
364 static void
365 dump_dinode(dip)
366 struct dinode *dip;
367 {
368 int i;
369 time_t at, mt, ct;
370
371 at = dip->di_atime;
372 mt = dip->di_mtime;
373 ct = dip->di_ctime;
374
375 (void)printf("%s%d\t%s%d\t%s%d\t%s%d\t%s%qu\n",
376 "mode ", dip->di_mode,
377 "nlink ", dip->di_nlink,
378 "uid ", dip->di_uid,
379 "gid ", dip->di_gid,
380 "size ", (long long)dip->di_size);
381 (void)printf("%s%s%s%s%s%s",
382 "atime ", ctime(&at),
383 "mtime ", ctime(&mt),
384 "ctime ", ctime(&ct));
385 (void)printf("inum %d\n", dip->di_inumber);
386 (void)printf("Direct Addresses\n");
387 for (i = 0; i < NDADDR; i++) {
388 (void)printf("\t0x%X", dip->di_db[i]);
389 if ((i % 6) == 5)
390 (void)printf("\n");
391 }
392 for (i = 0; i < NIADDR; i++)
393 (void)printf("\t0x%X", dip->di_ib[i]);
394 (void)printf("\n");
395 }
396
397 static int
398 dump_sum(fd, lfsp, sp, segnum, addr)
399 struct lfs *lfsp;
400 SEGSUM *sp;
401 int fd, segnum;
402 daddr_t addr;
403 {
404 FINFO *fp;
405 daddr_t *dp;
406 int i, j;
407 int ck;
408 int numbytes;
409 struct dinode *inop;
410
411 if (sp->ss_magic != SS_MAGIC ||
412 sp->ss_sumsum != (ck = cksum(&sp->ss_datasum,
413 LFS_SUMMARY_SIZE - sizeof(sp->ss_sumsum)))) {
414 (void)printf("dumplfs: %s %d address 0x%x\n",
415 "corrupt summary block; segment", segnum, addr);
416 return(0);
417 }
418
419 (void)printf("Segment Summary Info at 0x%x\n", addr);
420 (void)printf(" %s0x%X\t%s%d\t%s%d\n %s0x%X\t%s0x%X",
421 "next ", sp->ss_next,
422 "nfinfo ", sp->ss_nfinfo,
423 "ninos ", sp->ss_ninos,
424 "sumsum ", sp->ss_sumsum,
425 "datasum ", sp->ss_datasum );
426 (void)printf("\tcreate %s", ctime((time_t *)&sp->ss_create));
427
428 /* Dump out inode disk addresses */
429 dp = (daddr_t *)sp;
430 dp += LFS_SUMMARY_SIZE / sizeof(daddr_t);
431 inop = malloc(1 << lfsp->lfs_bshift);
432 printf(" Inode addresses:");
433 numbytes = 0;
434 for (dp--, i = 0; i < sp->ss_ninos; dp--) {
435 numbytes += lfsp->lfs_bsize; /* add bytes for inode block */
436 printf("\t0x%X {", *dp);
437 get(fd, *dp << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb), inop,
438 (1 << lfsp->lfs_bshift));
439 for (j = 0; i < sp->ss_ninos && j < INOPB(lfsp); j++, i++) {
440 if (j > 0)
441 (void)printf(", ");
442 (void)printf("%d", inop[j].di_inumber);
443 }
444 (void)printf("}");
445 if (((i/INOPB(lfsp)) % 4) == 3)
446 (void)printf("\n");
447 }
448 free(inop);
449
450 printf("\n");
451 for (fp = (FINFO *)(sp + 1), i = 0; i < sp->ss_nfinfo; i++) {
452 (void)printf(" FINFO for inode: %d version %d nblocks %d lastlength %d\n",
453 fp->fi_ino, fp->fi_version, fp->fi_nblocks,
454 fp->fi_lastlength);
455 dp = &(fp->fi_blocks[0]);
456 for (j = 0; j < fp->fi_nblocks; j++, dp++) {
457 (void)printf("\t%d", *dp);
458 if ((j % 8) == 7)
459 (void)printf("\n");
460 if (j == fp->fi_nblocks - 1)
461 numbytes += fp->fi_lastlength;
462 else
463 numbytes += lfsp->lfs_bsize;
464 }
465 if ((j % 8) != 0)
466 (void)printf("\n");
467 fp = (FINFO *)dp;
468 }
469 return (numbytes);
470 }
471
472 static void
473 dump_segment(fd, segnum, addr, lfsp, dump_sb)
474 int fd, segnum;
475 daddr_t addr;
476 struct lfs *lfsp;
477 int dump_sb;
478 {
479 struct lfs lfs_sb, *sbp;
480 SEGSUM *sump;
481 char sumblock[LFS_SUMMARY_SIZE];
482 int did_one, nbytes, sb;
483 off_t sum_offset, super_off = 0;
484
485 (void)printf("\nSEGMENT %d (Disk Address 0x%X)\n",
486 addr >> (lfsp->lfs_segshift - daddr_shift), addr);
487 sum_offset = (addr << (lfsp->lfs_bshift - lfsp->lfs_fsbtodb));
488
489 sb = 0;
490 did_one = 0;
491 do {
492 get(fd, sum_offset, sumblock, LFS_SUMMARY_SIZE);
493 sump = (SEGSUM *)sumblock;
494 if (sump->ss_sumsum != cksum (&sump->ss_datasum,
495 LFS_SUMMARY_SIZE - sizeof(sump->ss_sumsum))) {
496 sbp = (struct lfs *)sump;
497 if ((sb = (sbp->lfs_magic == LFS_MAGIC))) {
498 super_off = sum_offset;
499 sum_offset += LFS_SBPAD;
500 } else if (did_one)
501 break;
502 else {
503 printf("Segment at 0x%X corrupt\n", addr);
504 break;
505 }
506 } else {
507 nbytes = dump_sum(fd, lfsp, sump, segnum, sum_offset >>
508 (lfsp->lfs_bshift - lfsp->lfs_fsbtodb));
509 if (nbytes)
510 sum_offset += LFS_SUMMARY_SIZE + nbytes;
511 else
512 sum_offset = 0;
513 did_one = 1;
514 }
515 } while (sum_offset);
516
517 if (dump_sb && sb) {
518 get(fd, super_off, &(lfs_sb.lfs_dlfs), sizeof(struct dlfs));
519 dump_super(&lfs_sb);
520 }
521 return;
522 }
523
524 static void
525 dump_super(lfsp)
526 struct lfs *lfsp;
527 {
528 int i;
529
530 (void)printf("%s0x%X\t%s0x%X\t%s%d\t%s%d\n",
531 "magic ", lfsp->lfs_magic,
532 "version ", lfsp->lfs_version,
533 "size ", lfsp->lfs_size,
534 "ssize ", lfsp->lfs_ssize);
535 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
536 "dsize ", lfsp->lfs_dsize,
537 "bsize ", lfsp->lfs_bsize,
538 "fsize ", lfsp->lfs_fsize,
539 "frag ", lfsp->lfs_frag);
540
541 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
542 "minfree ", lfsp->lfs_minfree,
543 "inopb ", lfsp->lfs_inopb,
544 "ifpb ", lfsp->lfs_ifpb,
545 "nindir ", lfsp->lfs_nindir);
546
547 (void)printf("%s%d\t\t%s%d\t%s%d\t%s%d\n",
548 "nseg ", lfsp->lfs_nseg,
549 "nspf ", lfsp->lfs_nspf,
550 "cleansz ", lfsp->lfs_cleansz,
551 "segtabsz ", lfsp->lfs_segtabsz);
552
553 (void)printf("%s0x%X\t%s%d\t%s0x%qX\t%s%d\n",
554 "segmask ", lfsp->lfs_segmask,
555 "segshift ", lfsp->lfs_segshift,
556 "bmask ", (long long)lfsp->lfs_bmask,
557 "bshift ", lfsp->lfs_bshift);
558
559 (void)printf("%s0x%qX\t\t%s%d\t%s0x%qX\t%s%u\n",
560 "ffmask ", (long long)lfsp->lfs_ffmask,
561 "ffshift ", lfsp->lfs_ffshift,
562 "fbmask ", (long long)lfsp->lfs_fbmask,
563 "fbshift ", lfsp->lfs_fbshift);
564
565 (void)printf("%s%d\t%s%d\t%s0x%X\t%s0x%qx\n",
566 "sushift ", lfsp->lfs_sushift,
567 "fsbtodb ", lfsp->lfs_fsbtodb,
568 "cksum ", lfsp->lfs_cksum,
569 "maxfilesize ", (long long)lfsp->lfs_maxfilesize);
570
571 (void)printf("Superblock disk addresses:\t");
572 for (i = 0; i < LFS_MAXNUMSB; i++) {
573 (void)printf(" 0x%X", lfsp->lfs_sboffs[i]);
574 if ( i == (LFS_MAXNUMSB >> 1))
575 (void)printf("\n\t\t\t\t");
576 }
577 (void)printf("\n");
578
579 (void)printf("Checkpoint Info\n");
580 (void)printf("%s%d\t%s0x%X\t%s%d\n",
581 "free ", lfsp->lfs_free,
582 "idaddr ", lfsp->lfs_idaddr,
583 "ifile ", lfsp->lfs_ifile);
584 (void)printf("%s%d\t%s%d\t%s%d\n",
585 "bfree ", lfsp->lfs_bfree,
586 "avail ", lfsp->lfs_avail,
587 "uinodes ", lfsp->lfs_uinodes);
588 (void)printf("%s%d\t%s0x%X\t%s0x%X\n%s0x%X\t%s0x%X\t",
589 "nfiles ", lfsp->lfs_nfiles,
590 "lastseg ", lfsp->lfs_lastseg,
591 "nextseg ", lfsp->lfs_nextseg,
592 "curseg ", lfsp->lfs_curseg,
593 "offset ", lfsp->lfs_offset);
594 (void)printf("tstamp %s", ctime((time_t *)&lfsp->lfs_tstamp));
595 #if 0 /* This is no longer stored on disk! --ks */
596 (void)printf("\nIn-Memory Information\n");
597 (void)printf("%s%d\t%s0x%X\t%s%d%s%d\t%s%d\n",
598 "seglock ", lfsp->lfs_seglock,
599 "iocount ", lfsp->lfs_iocount,
600 "writer ", lfsp->lfs_writer,
601 "dirops ", lfsp->lfs_dirops,
602 "doifile ", lfsp->lfs_doifile);
603 (void)printf("%s%d\t%s%d\t%s0x%X\t%s%d\n",
604 "nactive ", lfsp->lfs_nactive,
605 "fmod ", lfsp->lfs_fmod,
606 "clean ", lfsp->lfs_clean,
607 "ronly ", lfsp->lfs_ronly);
608 #endif
609 }
610
611 static void
612 addseg(arg)
613 char *arg;
614 {
615 SEGLIST *p;
616
617 if ((p = malloc(sizeof(SEGLIST))) == NULL)
618 err(1, "malloc");
619 p->next = seglist;
620 p->num = atoi(arg);
621 seglist = p;
622 }
623
624 static void
625 dump_cleaner_info(lfsp, ipage)
626 struct lfs *lfsp;
627 void *ipage;
628 {
629 CLEANERINFO *cip;
630
631 cip = (CLEANERINFO *)ipage;
632 (void)printf("segments clean\t%d\tsegments dirty\t%d\n\n",
633 cip->clean, cip->dirty);
634 }
635
636 static void
637 usage()
638 {
639 (void)fprintf(stderr, "usage: dumplfs [-ai] [-s segnum] file\n");
640 exit(1);
641 }
642