Commit | Line | Data |
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d696309b SL |
1 | #ifndef lint |
2 | static char *sccsid = "@(#)dumpfs.c 2.5 (Berkeley) %G%"; | |
3 | #endif | |
b6407c9d | 4 | |
45eb394d KM |
5 | #include <sys/param.h> |
6 | #include <sys/inode.h> | |
7 | #include <sys/fs.h> | |
d696309b SL |
8 | |
9 | #include <stdio.h> | |
10 | #include <fstab.h> | |
4abe96a0 KM |
11 | |
12 | /* | |
13 | * dumpfs | |
14 | */ | |
15 | ||
16 | union { | |
17 | struct fs fs; | |
b6407c9d | 18 | char pad[MAXBSIZE]; |
4abe96a0 KM |
19 | } fsun; |
20 | #define afs fsun.fs | |
21 | ||
4abe96a0 KM |
22 | union { |
23 | struct cg cg; | |
b6407c9d | 24 | char pad[MAXBSIZE]; |
4abe96a0 KM |
25 | } cgun; |
26 | #define acg cgun.cg | |
27 | ||
28 | main(argc, argv) | |
29 | char **argv; | |
d696309b SL |
30 | { |
31 | register struct fstab *fs; | |
32 | ||
33 | argc--, argv++; | |
34 | if (argc < 1) { | |
35 | fprintf(stderr, "usage: dumpfs fs ...\n"); | |
36 | exit(1); | |
37 | } | |
38 | for (; argc > 0; argv++, argc--) { | |
39 | fs = getfsfile(*argv); | |
40 | if (fs == 0) | |
41 | dumpfs(*argv); | |
42 | else | |
43 | dumpfs(fs->fs_spec); | |
44 | } | |
45 | } | |
46 | ||
47 | dumpfs(name) | |
48 | char *name; | |
4abe96a0 | 49 | { |
bf541624 | 50 | int c, i, j, k, size; |
4abe96a0 KM |
51 | |
52 | close(0); | |
d696309b SL |
53 | if (open(name, 0) != 0) { |
54 | perror(name); | |
55 | return; | |
56 | } | |
b6407c9d | 57 | lseek(0, SBLOCK * DEV_BSIZE, 0); |
d696309b SL |
58 | if (read(0, &afs, SBSIZE) != SBSIZE) { |
59 | perror(name); | |
60 | return; | |
61 | } | |
3352e84a | 62 | printf("magic\t%x\ttime\t%s", afs.fs_magic, ctime(&afs.fs_time)); |
bf541624 KM |
63 | printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", |
64 | afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); | |
19782540 KM |
65 | printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", |
66 | afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask); | |
67 | printf("ncg\t%d\tsize\t%d\tblocks\t%d\n", | |
68 | afs.fs_ncg, afs.fs_size, afs.fs_dsize); | |
3352e84a KM |
69 | printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", |
70 | afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); | |
71 | printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", | |
72 | afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); | |
19782540 KM |
73 | printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", |
74 | afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); | |
75 | printf("minfree\t%d%%\tmaxbpg\t%d\n", | |
76 | afs.fs_minfree, afs.fs_maxbpg); | |
08733b7e KM |
77 | printf("maxcontig %d\trotdelay %dms\trps\t%d\n", |
78 | afs.fs_maxcontig, afs.fs_rotdelay, afs.fs_rps); | |
19782540 KM |
79 | printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n", |
80 | afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask); | |
3352e84a | 81 | printf("ntrak\t%d\tnsect\t%d\tspc\t%d\tncyl\t%d\n", |
4abe96a0 | 82 | afs.fs_ntrak, afs.fs_nsect, afs.fs_spc, afs.fs_ncyl); |
3352e84a | 83 | printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", |
c312eebd | 84 | afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg); |
19782540 KM |
85 | printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", |
86 | afs.fs_nindir, afs.fs_inopb, afs.fs_nspf); | |
3352e84a KM |
87 | printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", |
88 | afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir, | |
89 | afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree); | |
90 | printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\n", | |
c312eebd | 91 | afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly); |
aca50d72 KM |
92 | if (afs.fs_cpc != 0) |
93 | printf("blocks available in each rotational position"); | |
94 | else | |
95 | printf("insufficient space to maintain rotational tables\n"); | |
96 | for (c = 0; c < afs.fs_cpc; c++) { | |
97 | printf("\ncylinder number %d:", c); | |
98 | for (i = 0; i < NRPOS; i++) { | |
99 | if (afs.fs_postbl[c][i] == -1) | |
100 | continue; | |
101 | printf("\n position %d:\t", i); | |
102 | for (j = afs.fs_postbl[c][i], k = 1; ; | |
103 | j += afs.fs_rotbl[j], k++) { | |
104 | printf("%5d", j); | |
105 | if (k % 12 == 0) | |
106 | printf("\n\t\t"); | |
107 | if (afs.fs_rotbl[j] == 0) | |
108 | break; | |
109 | } | |
743f1ef7 KM |
110 | } |
111 | } | |
0947395d | 112 | printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); |
bf541624 KM |
113 | for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { |
114 | size = afs.fs_cssize - i < afs.fs_bsize ? | |
115 | afs.fs_cssize - i : afs.fs_bsize; | |
116 | afs.fs_csp[j] = (struct csum *)calloc(1, size); | |
117 | lseek(0, fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag)) * | |
b6407c9d | 118 | DEV_BSIZE, 0); |
d696309b SL |
119 | if (read(0, afs.fs_csp[j], size) != size) { |
120 | perror(name); | |
121 | return; | |
122 | } | |
743f1ef7 | 123 | } |
4abe96a0 | 124 | for (i = 0; i < afs.fs_ncg; i++) { |
b6407c9d | 125 | struct csum *cs = &afs.fs_cs(&afs, i); |
0947395d | 126 | if (i && i % 4 == 0) |
4abe96a0 | 127 | printf("\n\t"); |
0947395d KM |
128 | printf("(%d,%d,%d,%d) ", |
129 | cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); | |
4abe96a0 KM |
130 | } |
131 | printf("\n"); | |
c312eebd KM |
132 | if (afs.fs_ncyl % afs.fs_cpg) { |
133 | printf("cylinders in last group %d\n", | |
134 | i = afs.fs_ncyl % afs.fs_cpg); | |
135 | printf("blocks in last group %d\n", | |
136 | i * afs.fs_spc / NSPB(&afs)); | |
137 | } | |
4abe96a0 KM |
138 | printf("\n"); |
139 | for (i = 0; i < afs.fs_ncg; i++) | |
d696309b SL |
140 | dumpcg(name, i); |
141 | close(0); | |
4abe96a0 KM |
142 | }; |
143 | ||
d696309b SL |
144 | dumpcg(name, c) |
145 | char *name; | |
4abe96a0 KM |
146 | int c; |
147 | { | |
148 | int i,j; | |
149 | ||
150 | printf("\ncg %d:\n", c); | |
6994bf5d | 151 | lseek(0, fsbtodb(&afs, cgtod(&afs, c)) * DEV_BSIZE, 0); |
d696309b | 152 | i = lseek(0, 1, 0); |
b6407c9d | 153 | if (read(0, (char *)&acg, afs.fs_bsize) != afs.fs_bsize) { |
d696309b | 154 | printf("dumpfs: %s: error reading cg\n", name); |
4abe96a0 KM |
155 | return; |
156 | } | |
3352e84a KM |
157 | printf("magic\t%x\ttell\t%x\ttime\t%s", |
158 | acg.cg_magic, i, ctime(&acg.cg_time)); | |
159 | printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", | |
4abe96a0 | 160 | acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk); |
3352e84a KM |
161 | printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", |
162 | acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, | |
163 | acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); | |
164 | printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", | |
743f1ef7 | 165 | acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); |
b6407c9d | 166 | for (i = 1, j = 0; i < afs.fs_frag; i++) { |
f3c028b7 KM |
167 | printf("\t%d", acg.cg_frsum[i]); |
168 | j += i * acg.cg_frsum[i]; | |
169 | } | |
170 | printf("\nsum of frsum: %d\niused:\t", j); | |
4abe96a0 KM |
171 | pbits(acg.cg_iused, afs.fs_ipg); |
172 | printf("free:\t"); | |
173 | pbits(acg.cg_free, afs.fs_fpg); | |
174 | printf("b:\n"); | |
175 | for (i = 0; i < afs.fs_cpg; i++) { | |
43f6367c | 176 | printf(" c%d:\t(%d)\t", i, acg.cg_btot[i]); |
4abe96a0 KM |
177 | for (j = 0; j < NRPOS; j++) |
178 | printf(" %d", acg.cg_b[i][j]); | |
179 | printf("\n"); | |
180 | } | |
181 | }; | |
182 | ||
4abe96a0 KM |
183 | pbits(cp, max) |
184 | register char *cp; | |
185 | int max; | |
186 | { | |
187 | register int i; | |
188 | int count = 0, j; | |
189 | ||
190 | for (i = 0; i < max; i++) | |
191 | if (isset(cp, i)) { | |
192 | if (count) | |
3352e84a | 193 | printf(",%s", count %9 == 8 ? "\n\t" : " "); |
4abe96a0 KM |
194 | count++; |
195 | printf("%d", i); | |
196 | j = i; | |
197 | while ((i+1)<max && isset(cp, i+1)) | |
198 | i++; | |
199 | if (i != j) | |
200 | printf("-%d", i); | |
201 | } | |
202 | printf("\n"); | |
203 | } |