1/*
2 * Copyright (c) 1983, 1992, 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
35static const char copyright[] =
36"@(#) Copyright (c) 1983, 1992, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95";
43#endif
44static const char rcsid[] =
45 "$FreeBSD: head/sbin/dumpfs/dumpfs.c 92839 2002-03-20 22:57:10Z imp $";
46#endif /* not lint */
47
48#include <sys/param.h>
49#include <sys/time.h>
50
51#include <ufs/ffs/fs.h>
52
53#include <err.h>
54#include <fcntl.h>
55#include <fstab.h>
56#include <stdio.h>
57#include <stdlib.h>
58#include <unistd.h>
59
60union {
61 struct fs fs;
62 char pad[MAXBSIZE];
63} fsun;
64#define afs fsun.fs
65
66union {
67 struct cg cg;
68 char pad[MAXBSIZE];
69} cgun;
70#define acg cgun.cg
71
72long dev_bsize = 1;
73
74int dumpfs(const char *);
75int dumpcg(const char *, int, int);
76void pbits(void *, int);
77void usage(void) __dead2;
78
79int
80main(int argc, char *argv[])
81{
82 struct fstab *fs;
83 int ch, eval;
84
85 while ((ch = getopt(argc, argv, "")) != -1)
86 switch(ch) {
87 case '?':
88 default:
89 usage();
90 }
91 argc -= optind;
92 argv += optind;
93
94 if (argc < 1)
95 usage();
96
97 for (eval = 0; *argv; ++argv)
98 if ((fs = getfsfile(*argv)) == NULL)
99 eval |= dumpfs(*argv);
100 else
101 eval |= dumpfs(fs->fs_spec);
102 exit(eval);
103}
104
105int
106dumpfs(const char *name)
107{
108 ssize_t n;
109 int fd, c, i, j, k, size;
110
111 if ((fd = open(name, O_RDONLY, 0)) < 0)
112 goto err;
113 if (lseek(fd, (off_t)SBOFF, SEEK_SET) == (off_t)-1)
114 goto err;
115 if ((n = read(fd, &afs, SBSIZE)) == -1)
116 goto err;
117
118 if (n != SBSIZE) {
119 warnx("%s: non-existent or truncated superblock, skipped",
120 name);
121 (void)close(fd);
122 return (1);
123 }
124 if (afs.fs_magic != FS_MAGIC) {
125 warnx("%s: superblock has bad magic number, skipped", name);
126 (void)close(fd);
127 return (1);
128 }
129
130 if (afs.fs_postblformat == FS_42POSTBLFMT)
131 afs.fs_nrpos = 8;
132 dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1);
133 printf("magic\t%x\ttime\t%s", afs.fs_magic,
134 ctime(&afs.fs_time));
135 printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]);
136 printf("cylgrp\t%s\tinodes\t%s\n",
137 afs.fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic",
138 afs.fs_inodefmt < FS_44INODEFMT ? "4.2/4.3BSD" : "4.4BSD");
139 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
140 afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
141 afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
142 printf("ncg\t%d\tncyl\t%d\tsize\t%d\tblocks\t%d\n",
143 afs.fs_ncg, afs.fs_ncyl, afs.fs_size, afs.fs_dsize);
144 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
145 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
146 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
147 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
148 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
149 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
150 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
151 afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
152 printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n",
153 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
154 afs.fs_maxcontig, afs.fs_maxbpg);
155 printf("rotdelay %dms\trps\t%d\n",
156 afs.fs_rotdelay, afs.fs_rps);
157 printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n",
158 afs.fs_ntrak, afs.fs_nsect, afs.fs_npsect, afs.fs_spc);
159 printf("symlinklen %d\ttrackskew %d\tinterleave %d\tcontigsumsize %d\n",
160 afs.fs_maxsymlinklen, afs.fs_trackskew, afs.fs_interleave,
161 afs.fs_contigsumsize);
162 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n",
163 afs.fs_nindir, afs.fs_inopb, afs.fs_nspf, afs.fs_maxfilesize);
164 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
165 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
166 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
167 afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask);
168 printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n",
169 afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask);
170 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n",
171 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
172 printf("flags\t");
173 if (afs.fs_flags == 0)
174 printf("none");
175 if (afs.fs_flags & FS_UNCLEAN)
176 printf("unclean ");
177 if (afs.fs_flags & FS_DOSOFTDEP)
178 printf("soft-updates ");
179 if ((afs.fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP)) != 0)
180 printf("unknown flags (%#x)",
181 afs.fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP));
182 putchar('\n');
183 if (afs.fs_cpc != 0)
184 printf("blocks available in each of %d rotational positions",
185 afs.fs_nrpos);
186 else
187 printf("(no rotational position table)\n");
188 for (c = 0; c < afs.fs_cpc; c++) {
189 printf("\ncylinder number %d:", c);
190 for (i = 0; i < afs.fs_nrpos; i++) {
191 if (fs_postbl(&afs, c)[i] == -1)
192 continue;
193 printf("\n position %d:\t", i);
194 for (j = fs_postbl(&afs, c)[i], k = 1; ;
195 j += fs_rotbl(&afs)[j], k++) {
196 printf("%5d", j);
197 if (k % 12 == 0)
198 printf("\n\t\t");
199 if (fs_rotbl(&afs)[j] == 0)
200 break;
201 }
202 }
203 }
204 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
205 afs.fs_csp = calloc(1, afs.fs_cssize);
206 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) {
207 size = afs.fs_cssize - i < afs.fs_bsize ?
208 afs.fs_cssize - i : afs.fs_bsize;
209 if (lseek(fd,
210 (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag))) *
211 (off_t)dev_bsize, SEEK_SET) == (off_t)-1)
212 goto err;
213 if (read(fd, (char *)afs.fs_csp + i, size) != size)
214 goto err;
215 }
216 for (i = 0; i < afs.fs_ncg; i++) {
217 struct csum *cs = &afs.fs_cs(&afs, i);
218 if (i && i % 4 == 0)
219 printf("\n\t");
220 printf("(%d,%d,%d,%d) ",
221 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
222 }
223 printf("\n");
224 if (afs.fs_ncyl % afs.fs_cpg) {
225 printf("cylinders in last group %d\n",
226 i = afs.fs_ncyl % afs.fs_cpg);
227 printf("blocks in last group %d\n",
228 i * afs.fs_spc / NSPB(&afs));
229 }
230 printf("\n");
231 for (i = 0; i < afs.fs_ncg; i++)
232 if (dumpcg(name, fd, i))
233 goto err;
234 (void)close(fd);
235 return (0);
236
237err: if (fd != -1)
238 (void)close(fd);
239 warn("%s", name);
240 return (1);
241};
242
243int
244dumpcg(const char *name, int fd, int c)
245{
246 off_t cur;
247 int i, j;
248
249 printf("\ncg %d:\n", c);
250 if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c))) *
251 (off_t)dev_bsize, SEEK_SET)) == (off_t)-1)
252 return (1);
253 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) {
254 warnx("%s: error reading cg", name);
255 return (1);
256 }
257 printf("magic\t%x\ttell\t%qx\ttime\t%s",
258 afs.fs_postblformat == FS_42POSTBLFMT ?
259 ((struct ocg *)&acg)->cg_magic : acg.cg_magic,
260 cur, ctime(&acg.cg_time));
261 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
262 acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk);
263 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
264 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
265 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
266 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
267 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
268 for (i = 1, j = 0; i < afs.fs_frag; i++) {
269 printf("\t%d", acg.cg_frsum[i]);
270 j += i * acg.cg_frsum[i];
271 }
272 printf("\nsum of frsum: %d", j);
273 if (afs.fs_contigsumsize > 0) {
274 for (i = 1; i < afs.fs_contigsumsize; i++) {
275 if ((i - 1) % 8 == 0)
276 printf("\nclusters %d-%d:", i,
277 afs.fs_contigsumsize - 1 < i + 7 ?
278 afs.fs_contigsumsize - 1 : i + 7);
279 printf("\t%d", cg_clustersum(&acg)[i]);
280 }
281 printf("\nclusters size %d and over: %d\n",
282 afs.fs_contigsumsize,
283 cg_clustersum(&acg)[afs.fs_contigsumsize]);
284 printf("clusters free:\t");
285 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
286 } else
287 printf("\n");
288 printf("iused:\t");
289 pbits(cg_inosused(&acg), afs.fs_ipg);
290 printf("free:\t");
291 pbits(cg_blksfree(&acg), afs.fs_fpg);
292 printf("b:\n");
293 for (i = 0; i < afs.fs_cpg; i++) {
294 if (cg_blktot(&acg)[i] == 0)
295 continue;
296 printf(" c%d:\t(%d)\t", i, cg_blktot(&acg)[i]);
297 for (j = 0; j < afs.fs_nrpos; j++) {
298 if (afs.fs_cpc > 0 &&
299 fs_postbl(&afs, i % afs.fs_cpc)[j] == -1)
300 continue;
301 printf(" %d", cg_blks(&afs, &acg, i)[j]);
302 }
303 printf("\n");
304 }
305 return (0);
306};
307
308void
309pbits(void *vp, int max)
310{
311 int i;
312 char *p;
313 int count, j;
314
315 for (count = i = 0, p = vp; i < max; i++)
316 if (isset(p, i)) {
317 if (count)
318 printf(",%s", count % 6 ? " " : "\n\t");
319 count++;
320 printf("%d", i);
321 j = i;
322 while ((i+1)<max && isset(p, i+1))
323 i++;
324 if (i != j)
325 printf("-%d", i);
326 }
327 printf("\n");
328}
329
330void
331usage(void)
332{
333 (void)fprintf(stderr, "usage: dumpfs filesys | device\n");
334 exit(1);
335}
2 * Copyright (c) 1983, 1992, 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
35static const char copyright[] =
36"@(#) Copyright (c) 1983, 1992, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95";
43#endif
44static const char rcsid[] =
45 "$FreeBSD: head/sbin/dumpfs/dumpfs.c 92839 2002-03-20 22:57:10Z imp $";
46#endif /* not lint */
47
48#include <sys/param.h>
49#include <sys/time.h>
50
51#include <ufs/ffs/fs.h>
52
53#include <err.h>
54#include <fcntl.h>
55#include <fstab.h>
56#include <stdio.h>
57#include <stdlib.h>
58#include <unistd.h>
59
60union {
61 struct fs fs;
62 char pad[MAXBSIZE];
63} fsun;
64#define afs fsun.fs
65
66union {
67 struct cg cg;
68 char pad[MAXBSIZE];
69} cgun;
70#define acg cgun.cg
71
72long dev_bsize = 1;
73
74int dumpfs(const char *);
75int dumpcg(const char *, int, int);
76void pbits(void *, int);
77void usage(void) __dead2;
78
79int
80main(int argc, char *argv[])
81{
82 struct fstab *fs;
83 int ch, eval;
84
85 while ((ch = getopt(argc, argv, "")) != -1)
86 switch(ch) {
87 case '?':
88 default:
89 usage();
90 }
91 argc -= optind;
92 argv += optind;
93
94 if (argc < 1)
95 usage();
96
97 for (eval = 0; *argv; ++argv)
98 if ((fs = getfsfile(*argv)) == NULL)
99 eval |= dumpfs(*argv);
100 else
101 eval |= dumpfs(fs->fs_spec);
102 exit(eval);
103}
104
105int
106dumpfs(const char *name)
107{
108 ssize_t n;
109 int fd, c, i, j, k, size;
110
111 if ((fd = open(name, O_RDONLY, 0)) < 0)
112 goto err;
113 if (lseek(fd, (off_t)SBOFF, SEEK_SET) == (off_t)-1)
114 goto err;
115 if ((n = read(fd, &afs, SBSIZE)) == -1)
116 goto err;
117
118 if (n != SBSIZE) {
119 warnx("%s: non-existent or truncated superblock, skipped",
120 name);
121 (void)close(fd);
122 return (1);
123 }
124 if (afs.fs_magic != FS_MAGIC) {
125 warnx("%s: superblock has bad magic number, skipped", name);
126 (void)close(fd);
127 return (1);
128 }
129
130 if (afs.fs_postblformat == FS_42POSTBLFMT)
131 afs.fs_nrpos = 8;
132 dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1);
133 printf("magic\t%x\ttime\t%s", afs.fs_magic,
134 ctime(&afs.fs_time));
135 printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]);
136 printf("cylgrp\t%s\tinodes\t%s\n",
137 afs.fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic",
138 afs.fs_inodefmt < FS_44INODEFMT ? "4.2/4.3BSD" : "4.4BSD");
139 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
140 afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
141 afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
142 printf("ncg\t%d\tncyl\t%d\tsize\t%d\tblocks\t%d\n",
143 afs.fs_ncg, afs.fs_ncyl, afs.fs_size, afs.fs_dsize);
144 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
145 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
146 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
147 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
148 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
149 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
150 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
151 afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
152 printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n",
153 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
154 afs.fs_maxcontig, afs.fs_maxbpg);
155 printf("rotdelay %dms\trps\t%d\n",
156 afs.fs_rotdelay, afs.fs_rps);
157 printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n",
158 afs.fs_ntrak, afs.fs_nsect, afs.fs_npsect, afs.fs_spc);
159 printf("symlinklen %d\ttrackskew %d\tinterleave %d\tcontigsumsize %d\n",
160 afs.fs_maxsymlinklen, afs.fs_trackskew, afs.fs_interleave,
161 afs.fs_contigsumsize);
162 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n",
163 afs.fs_nindir, afs.fs_inopb, afs.fs_nspf, afs.fs_maxfilesize);
164 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
165 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
166 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
167 afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask);
168 printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n",
169 afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask);
170 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n",
171 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
172 printf("flags\t");
173 if (afs.fs_flags == 0)
174 printf("none");
175 if (afs.fs_flags & FS_UNCLEAN)
176 printf("unclean ");
177 if (afs.fs_flags & FS_DOSOFTDEP)
178 printf("soft-updates ");
179 if ((afs.fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP)) != 0)
180 printf("unknown flags (%#x)",
181 afs.fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP));
182 putchar('\n');
183 if (afs.fs_cpc != 0)
184 printf("blocks available in each of %d rotational positions",
185 afs.fs_nrpos);
186 else
187 printf("(no rotational position table)\n");
188 for (c = 0; c < afs.fs_cpc; c++) {
189 printf("\ncylinder number %d:", c);
190 for (i = 0; i < afs.fs_nrpos; i++) {
191 if (fs_postbl(&afs, c)[i] == -1)
192 continue;
193 printf("\n position %d:\t", i);
194 for (j = fs_postbl(&afs, c)[i], k = 1; ;
195 j += fs_rotbl(&afs)[j], k++) {
196 printf("%5d", j);
197 if (k % 12 == 0)
198 printf("\n\t\t");
199 if (fs_rotbl(&afs)[j] == 0)
200 break;
201 }
202 }
203 }
204 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
205 afs.fs_csp = calloc(1, afs.fs_cssize);
206 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) {
207 size = afs.fs_cssize - i < afs.fs_bsize ?
208 afs.fs_cssize - i : afs.fs_bsize;
209 if (lseek(fd,
210 (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag))) *
211 (off_t)dev_bsize, SEEK_SET) == (off_t)-1)
212 goto err;
213 if (read(fd, (char *)afs.fs_csp + i, size) != size)
214 goto err;
215 }
216 for (i = 0; i < afs.fs_ncg; i++) {
217 struct csum *cs = &afs.fs_cs(&afs, i);
218 if (i && i % 4 == 0)
219 printf("\n\t");
220 printf("(%d,%d,%d,%d) ",
221 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
222 }
223 printf("\n");
224 if (afs.fs_ncyl % afs.fs_cpg) {
225 printf("cylinders in last group %d\n",
226 i = afs.fs_ncyl % afs.fs_cpg);
227 printf("blocks in last group %d\n",
228 i * afs.fs_spc / NSPB(&afs));
229 }
230 printf("\n");
231 for (i = 0; i < afs.fs_ncg; i++)
232 if (dumpcg(name, fd, i))
233 goto err;
234 (void)close(fd);
235 return (0);
236
237err: if (fd != -1)
238 (void)close(fd);
239 warn("%s", name);
240 return (1);
241};
242
243int
244dumpcg(const char *name, int fd, int c)
245{
246 off_t cur;
247 int i, j;
248
249 printf("\ncg %d:\n", c);
250 if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c))) *
251 (off_t)dev_bsize, SEEK_SET)) == (off_t)-1)
252 return (1);
253 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) {
254 warnx("%s: error reading cg", name);
255 return (1);
256 }
257 printf("magic\t%x\ttell\t%qx\ttime\t%s",
258 afs.fs_postblformat == FS_42POSTBLFMT ?
259 ((struct ocg *)&acg)->cg_magic : acg.cg_magic,
260 cur, ctime(&acg.cg_time));
261 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
262 acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk);
263 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
264 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
265 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
266 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
267 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
268 for (i = 1, j = 0; i < afs.fs_frag; i++) {
269 printf("\t%d", acg.cg_frsum[i]);
270 j += i * acg.cg_frsum[i];
271 }
272 printf("\nsum of frsum: %d", j);
273 if (afs.fs_contigsumsize > 0) {
274 for (i = 1; i < afs.fs_contigsumsize; i++) {
275 if ((i - 1) % 8 == 0)
276 printf("\nclusters %d-%d:", i,
277 afs.fs_contigsumsize - 1 < i + 7 ?
278 afs.fs_contigsumsize - 1 : i + 7);
279 printf("\t%d", cg_clustersum(&acg)[i]);
280 }
281 printf("\nclusters size %d and over: %d\n",
282 afs.fs_contigsumsize,
283 cg_clustersum(&acg)[afs.fs_contigsumsize]);
284 printf("clusters free:\t");
285 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
286 } else
287 printf("\n");
288 printf("iused:\t");
289 pbits(cg_inosused(&acg), afs.fs_ipg);
290 printf("free:\t");
291 pbits(cg_blksfree(&acg), afs.fs_fpg);
292 printf("b:\n");
293 for (i = 0; i < afs.fs_cpg; i++) {
294 if (cg_blktot(&acg)[i] == 0)
295 continue;
296 printf(" c%d:\t(%d)\t", i, cg_blktot(&acg)[i]);
297 for (j = 0; j < afs.fs_nrpos; j++) {
298 if (afs.fs_cpc > 0 &&
299 fs_postbl(&afs, i % afs.fs_cpc)[j] == -1)
300 continue;
301 printf(" %d", cg_blks(&afs, &acg, i)[j]);
302 }
303 printf("\n");
304 }
305 return (0);
306};
307
308void
309pbits(void *vp, int max)
310{
311 int i;
312 char *p;
313 int count, j;
314
315 for (count = i = 0, p = vp; i < max; i++)
316 if (isset(p, i)) {
317 if (count)
318 printf(",%s", count % 6 ? " " : "\n\t");
319 count++;
320 printf("%d", i);
321 j = i;
322 while ((i+1)<max && isset(p, i+1))
323 i++;
324 if (i != j)
325 printf("-%d", i);
326 }
327 printf("\n");
328}
329
330void
331usage(void)
332{
333 (void)fprintf(stderr, "usage: dumpfs filesys | device\n");
334 exit(1);
335}