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da158ee3 | 1 | /* |
60e33d38 KB |
2 | * Copyright (c) 1983 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
da158ee3 DF |
16 | */ |
17 | ||
18 | #ifndef lint | |
19 | char copyright[] = | |
60e33d38 | 20 | "@(#) Copyright (c) 1983 The Regents of the University of California.\n\ |
da158ee3 | 21 | All rights reserved.\n"; |
60e33d38 | 22 | #endif /* not lint */ |
da158ee3 | 23 | |
d696309b | 24 | #ifndef lint |
2785316e | 25 | static char sccsid[] = "@(#)dumpfs.c 5.8 (Berkeley) %G%"; |
60e33d38 | 26 | #endif /* not lint */ |
b6407c9d | 27 | |
45eb394d | 28 | #include <sys/param.h> |
2785316e KB |
29 | #include <sys/time.h> |
30 | #include <sys/vnode.h> | |
31 | #include <ufs/inode.h> | |
32 | #include <ufs/fs.h> | |
d696309b SL |
33 | |
34 | #include <stdio.h> | |
35 | #include <fstab.h> | |
4abe96a0 KM |
36 | |
37 | /* | |
38 | * dumpfs | |
39 | */ | |
40 | ||
41 | union { | |
42 | struct fs fs; | |
b6407c9d | 43 | char pad[MAXBSIZE]; |
4abe96a0 KM |
44 | } fsun; |
45 | #define afs fsun.fs | |
46 | ||
4abe96a0 KM |
47 | union { |
48 | struct cg cg; | |
b6407c9d | 49 | char pad[MAXBSIZE]; |
4abe96a0 KM |
50 | } cgun; |
51 | #define acg cgun.cg | |
52 | ||
a66ab591 KM |
53 | long dev_bsize = 1; |
54 | ||
4abe96a0 KM |
55 | main(argc, argv) |
56 | char **argv; | |
d696309b SL |
57 | { |
58 | register struct fstab *fs; | |
59 | ||
60 | argc--, argv++; | |
61 | if (argc < 1) { | |
62 | fprintf(stderr, "usage: dumpfs fs ...\n"); | |
63 | exit(1); | |
64 | } | |
65 | for (; argc > 0; argv++, argc--) { | |
66 | fs = getfsfile(*argv); | |
67 | if (fs == 0) | |
68 | dumpfs(*argv); | |
69 | else | |
70 | dumpfs(fs->fs_spec); | |
71 | } | |
72 | } | |
73 | ||
74 | dumpfs(name) | |
75 | char *name; | |
4abe96a0 | 76 | { |
bf541624 | 77 | int c, i, j, k, size; |
4abe96a0 KM |
78 | |
79 | close(0); | |
d696309b SL |
80 | if (open(name, 0) != 0) { |
81 | perror(name); | |
82 | return; | |
83 | } | |
a66ab591 | 84 | lseek(0, SBOFF, 0); |
d696309b SL |
85 | if (read(0, &afs, SBSIZE) != SBSIZE) { |
86 | perror(name); | |
87 | return; | |
88 | } | |
48f6b0fe KM |
89 | if (afs.fs_postblformat == FS_42POSTBLFMT) |
90 | afs.fs_nrpos = 8; | |
a66ab591 | 91 | dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1); |
48f6b0fe KM |
92 | printf("magic\t%x\tformat\t%s\ttime\t%s", afs.fs_magic, |
93 | afs.fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic", | |
94 | ctime(&afs.fs_time)); | |
5495e217 KM |
95 | printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", |
96 | afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir, | |
97 | afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree); | |
98 | printf("ncg\t%d\tncyl\t%d\tsize\t%d\tblocks\t%d\n", | |
99 | afs.fs_ncg, afs.fs_ncyl, afs.fs_size, afs.fs_dsize); | |
3352e84a KM |
100 | printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", |
101 | afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); | |
102 | printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", | |
103 | afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); | |
19782540 KM |
104 | printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", |
105 | afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); | |
3352e84a | 106 | printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", |
c312eebd | 107 | afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg); |
5495e217 KM |
108 | printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n", |
109 | afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", | |
110 | afs.fs_maxcontig, afs.fs_maxbpg); | |
111 | printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n", | |
112 | afs.fs_rotdelay, afs.fs_headswitch, afs.fs_trkseek, afs.fs_rps); | |
113 | printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n", | |
114 | afs.fs_ntrak, afs.fs_nsect, afs.fs_npsect, afs.fs_spc); | |
115 | printf("trackskew %d\tinterleave %d\n", | |
116 | afs.fs_trackskew, afs.fs_interleave); | |
19782540 KM |
117 | printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", |
118 | afs.fs_nindir, afs.fs_inopb, afs.fs_nspf); | |
5495e217 KM |
119 | printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", |
120 | afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); | |
121 | printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", | |
122 | afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask); | |
123 | printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n", | |
124 | afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask); | |
3352e84a | 125 | printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\n", |
c312eebd | 126 | afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly); |
aca50d72 | 127 | if (afs.fs_cpc != 0) |
48f6b0fe KM |
128 | printf("blocks available in each of %d rotational positions", |
129 | afs.fs_nrpos); | |
aca50d72 KM |
130 | else |
131 | printf("insufficient space to maintain rotational tables\n"); | |
132 | for (c = 0; c < afs.fs_cpc; c++) { | |
133 | printf("\ncylinder number %d:", c); | |
48f6b0fe KM |
134 | for (i = 0; i < afs.fs_nrpos; i++) { |
135 | if (fs_postbl(&afs, c)[i] == -1) | |
aca50d72 KM |
136 | continue; |
137 | printf("\n position %d:\t", i); | |
48f6b0fe KM |
138 | for (j = fs_postbl(&afs, c)[i], k = 1; ; |
139 | j += fs_rotbl(&afs)[j], k++) { | |
aca50d72 KM |
140 | printf("%5d", j); |
141 | if (k % 12 == 0) | |
142 | printf("\n\t\t"); | |
48f6b0fe | 143 | if (fs_rotbl(&afs)[j] == 0) |
aca50d72 KM |
144 | break; |
145 | } | |
743f1ef7 KM |
146 | } |
147 | } | |
0947395d | 148 | printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); |
bf541624 KM |
149 | for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { |
150 | size = afs.fs_cssize - i < afs.fs_bsize ? | |
151 | afs.fs_cssize - i : afs.fs_bsize; | |
152 | afs.fs_csp[j] = (struct csum *)calloc(1, size); | |
153 | lseek(0, fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag)) * | |
a66ab591 | 154 | dev_bsize, 0); |
d696309b SL |
155 | if (read(0, afs.fs_csp[j], size) != size) { |
156 | perror(name); | |
157 | return; | |
158 | } | |
743f1ef7 | 159 | } |
4abe96a0 | 160 | for (i = 0; i < afs.fs_ncg; i++) { |
b6407c9d | 161 | struct csum *cs = &afs.fs_cs(&afs, i); |
0947395d | 162 | if (i && i % 4 == 0) |
4abe96a0 | 163 | printf("\n\t"); |
0947395d KM |
164 | printf("(%d,%d,%d,%d) ", |
165 | cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); | |
4abe96a0 KM |
166 | } |
167 | printf("\n"); | |
c312eebd KM |
168 | if (afs.fs_ncyl % afs.fs_cpg) { |
169 | printf("cylinders in last group %d\n", | |
170 | i = afs.fs_ncyl % afs.fs_cpg); | |
171 | printf("blocks in last group %d\n", | |
172 | i * afs.fs_spc / NSPB(&afs)); | |
173 | } | |
4abe96a0 KM |
174 | printf("\n"); |
175 | for (i = 0; i < afs.fs_ncg; i++) | |
d696309b SL |
176 | dumpcg(name, i); |
177 | close(0); | |
4abe96a0 KM |
178 | }; |
179 | ||
d696309b SL |
180 | dumpcg(name, c) |
181 | char *name; | |
4abe96a0 KM |
182 | int c; |
183 | { | |
184 | int i,j; | |
185 | ||
186 | printf("\ncg %d:\n", c); | |
a66ab591 | 187 | lseek(0, fsbtodb(&afs, cgtod(&afs, c)) * dev_bsize, 0); |
3d1d86a6 | 188 | i = lseek(0, 0, 1); |
b6407c9d | 189 | if (read(0, (char *)&acg, afs.fs_bsize) != afs.fs_bsize) { |
d696309b | 190 | printf("dumpfs: %s: error reading cg\n", name); |
4abe96a0 KM |
191 | return; |
192 | } | |
3352e84a | 193 | printf("magic\t%x\ttell\t%x\ttime\t%s", |
48f6b0fe KM |
194 | afs.fs_postblformat == FS_42POSTBLFMT ? |
195 | ((struct ocg *)&acg)->cg_magic : acg.cg_magic, | |
196 | i, ctime(&acg.cg_time)); | |
3352e84a | 197 | printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", |
4abe96a0 | 198 | acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk); |
3352e84a KM |
199 | printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", |
200 | acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, | |
201 | acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); | |
202 | printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", | |
743f1ef7 | 203 | acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); |
b6407c9d | 204 | for (i = 1, j = 0; i < afs.fs_frag; i++) { |
f3c028b7 KM |
205 | printf("\t%d", acg.cg_frsum[i]); |
206 | j += i * acg.cg_frsum[i]; | |
207 | } | |
208 | printf("\nsum of frsum: %d\niused:\t", j); | |
48f6b0fe | 209 | pbits(cg_inosused(&acg), afs.fs_ipg); |
4abe96a0 | 210 | printf("free:\t"); |
48f6b0fe | 211 | pbits(cg_blksfree(&acg), afs.fs_fpg); |
4abe96a0 KM |
212 | printf("b:\n"); |
213 | for (i = 0; i < afs.fs_cpg; i++) { | |
48f6b0fe KM |
214 | if (cg_blktot(&acg)[i] == 0) |
215 | continue; | |
216 | printf(" c%d:\t(%d)\t", i, cg_blktot(&acg)[i]); | |
217 | for (j = 0; j < afs.fs_nrpos; j++) { | |
218 | if (afs.fs_cpc > 0 && | |
219 | fs_postbl(&afs, i % afs.fs_cpc)[j] == -1) | |
220 | continue; | |
221 | printf(" %d", cg_blks(&afs, &acg, i)[j]); | |
222 | } | |
4abe96a0 KM |
223 | printf("\n"); |
224 | } | |
225 | }; | |
226 | ||
4abe96a0 KM |
227 | pbits(cp, max) |
228 | register char *cp; | |
229 | int max; | |
230 | { | |
231 | register int i; | |
232 | int count = 0, j; | |
233 | ||
234 | for (i = 0; i < max; i++) | |
235 | if (isset(cp, i)) { | |
236 | if (count) | |
48f6b0fe | 237 | printf(",%s", count % 6 ? " " : "\n\t"); |
4abe96a0 KM |
238 | count++; |
239 | printf("%d", i); | |
240 | j = i; | |
241 | while ((i+1)<max && isset(cp, i+1)) | |
242 | i++; | |
243 | if (i != j) | |
244 | printf("-%d", i); | |
245 | } | |
246 | printf("\n"); | |
247 | } |