Commit | Line | Data |
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76797561 | 1 | /* |
fe32782c KM |
2 | * Copyright (c) 1980, 1986 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
70ab3c27 | 5 | * %sccs.include.redist.c% |
76797561 DF |
6 | */ |
7 | ||
62ae4dc6 | 8 | #ifndef lint |
b82067db | 9 | static char sccsid[] = "@(#)pass5.c 5.16 (Berkeley) %G%"; |
fe32782c | 10 | #endif /* not lint */ |
62ae4dc6 KM |
11 | |
12 | #include <sys/param.h> | |
b82067db | 13 | #include <sys/time.h> |
558b3a30 KB |
14 | #include <ufs/ufs/dinode.h> |
15 | #include <ufs/ffs/fs.h> | |
d72e970b | 16 | #include <string.h> |
62ae4dc6 KM |
17 | #include "fsck.h" |
18 | ||
19 | pass5() | |
20 | { | |
af29c275 | 21 | int c, blk, frags, basesize, sumsize, mapsize, savednrpos; |
484ac932 KM |
22 | register struct fs *fs = &sblock; |
23 | register struct cg *cg = &cgrp; | |
af29c275 KM |
24 | daddr_t dbase, dmax; |
25 | register daddr_t d; | |
993a756c KM |
26 | register long i, j; |
27 | struct csum *cs; | |
28 | time_t now; | |
29 | struct csum cstotal; | |
45c75771 | 30 | struct inodesc idesc[3]; |
993a756c KM |
31 | char buf[MAXBSIZE]; |
32 | register struct cg *newcg = (struct cg *)buf; | |
af29c275 | 33 | struct ocg *ocg = (struct ocg *)buf; |
62ae4dc6 | 34 | |
d72e970b | 35 | bzero((char *)newcg, (size_t)fs->fs_cgsize); |
484ac932 | 36 | newcg->cg_niblk = fs->fs_ipg; |
569ec282 | 37 | switch ((int)fs->fs_postblformat) { |
af29c275 KM |
38 | |
39 | case FS_42POSTBLFMT: | |
40 | basesize = (char *)(&ocg->cg_btot[0]) - (char *)(&ocg->cg_link); | |
41 | sumsize = &ocg->cg_iused[0] - (char *)(&ocg->cg_btot[0]); | |
484ac932 | 42 | mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] - |
af29c275 KM |
43 | (u_char *)&ocg->cg_iused[0]; |
44 | ocg->cg_magic = CG_MAGIC; | |
484ac932 KM |
45 | savednrpos = fs->fs_nrpos; |
46 | fs->fs_nrpos = 8; | |
af29c275 KM |
47 | break; |
48 | ||
49 | case FS_DYNAMICPOSTBLFMT: | |
50 | newcg->cg_btotoff = | |
51 | &newcg->cg_space[0] - (u_char *)(&newcg->cg_link); | |
52 | newcg->cg_boff = | |
484ac932 | 53 | newcg->cg_btotoff + fs->fs_cpg * sizeof(long); |
af29c275 | 54 | newcg->cg_iusedoff = newcg->cg_boff + |
484ac932 | 55 | fs->fs_cpg * fs->fs_nrpos * sizeof(short); |
af29c275 | 56 | newcg->cg_freeoff = |
484ac932 | 57 | newcg->cg_iusedoff + howmany(fs->fs_ipg, NBBY); |
af29c275 | 58 | newcg->cg_nextfreeoff = newcg->cg_freeoff + |
484ac932 | 59 | howmany(fs->fs_cpg * fs->fs_spc / NSPF(fs), |
af29c275 KM |
60 | NBBY); |
61 | newcg->cg_magic = CG_MAGIC; | |
62 | basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_link); | |
63 | sumsize = newcg->cg_iusedoff - newcg->cg_btotoff; | |
64 | mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff; | |
65 | break; | |
66 | ||
67 | default: | |
68 | errexit("UNKNOWN ROTATIONAL TABLE FORMAT %d\n", | |
484ac932 | 69 | fs->fs_postblformat); |
af29c275 | 70 | } |
45c75771 KM |
71 | bzero((char *)&idesc[0], sizeof idesc); |
72 | for (i = 0; i < 3; i++) | |
73 | idesc[i].id_type = ADDR; | |
993a756c | 74 | bzero((char *)&cstotal, sizeof(struct csum)); |
993a756c | 75 | (void)time(&now); |
c2c8f378 KM |
76 | j = blknum(fs, fs->fs_size + fs->fs_frag - 1); |
77 | for (i = fs->fs_size; i < j; i++) | |
af29c275 | 78 | setbmap(i); |
484ac932 KM |
79 | for (c = 0; c < fs->fs_ncg; c++) { |
80 | getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize); | |
81 | if (!cg_chkmagic(cg)) | |
62ae4dc6 | 82 | pfatal("CG %d: BAD MAGIC NUMBER\n", c); |
484ac932 KM |
83 | dbase = cgbase(fs, c); |
84 | dmax = dbase + fs->fs_fpg; | |
85 | if (dmax > fs->fs_size) | |
86 | dmax = fs->fs_size; | |
87 | if (now > cg->cg_time) | |
88 | newcg->cg_time = cg->cg_time; | |
993a756c KM |
89 | else |
90 | newcg->cg_time = now; | |
91 | newcg->cg_cgx = c; | |
484ac932 KM |
92 | if (c == fs->fs_ncg - 1) |
93 | newcg->cg_ncyl = fs->fs_ncyl % fs->fs_cpg; | |
993a756c | 94 | else |
484ac932 | 95 | newcg->cg_ncyl = fs->fs_cpg; |
993a756c KM |
96 | newcg->cg_ndblk = dmax - dbase; |
97 | newcg->cg_cs.cs_ndir = 0; | |
98 | newcg->cg_cs.cs_nffree = 0; | |
99 | newcg->cg_cs.cs_nbfree = 0; | |
484ac932 KM |
100 | newcg->cg_cs.cs_nifree = fs->fs_ipg; |
101 | if (cg->cg_rotor < newcg->cg_ndblk) | |
102 | newcg->cg_rotor = cg->cg_rotor; | |
993a756c KM |
103 | else |
104 | newcg->cg_rotor = 0; | |
484ac932 KM |
105 | if (cg->cg_frotor < newcg->cg_ndblk) |
106 | newcg->cg_frotor = cg->cg_frotor; | |
993a756c KM |
107 | else |
108 | newcg->cg_frotor = 0; | |
484ac932 KM |
109 | if (cg->cg_irotor < newcg->cg_niblk) |
110 | newcg->cg_irotor = cg->cg_irotor; | |
993a756c KM |
111 | else |
112 | newcg->cg_irotor = 0; | |
af29c275 | 113 | bzero((char *)&newcg->cg_frsum[0], sizeof newcg->cg_frsum); |
d72e970b KM |
114 | bzero((char *)&cg_blktot(newcg)[0], |
115 | (size_t)(sumsize + mapsize)); | |
484ac932 | 116 | if (fs->fs_postblformat == FS_42POSTBLFMT) |
af29c275 | 117 | ocg->cg_magic = CG_MAGIC; |
484ac932 KM |
118 | j = fs->fs_ipg * c; |
119 | for (i = 0; i < fs->fs_ipg; j++, i++) { | |
993a756c KM |
120 | switch (statemap[j]) { |
121 | ||
122 | case USTATE: | |
123 | break; | |
124 | ||
125 | case DSTATE: | |
126 | case DCLEAR: | |
127 | case DFOUND: | |
128 | newcg->cg_cs.cs_ndir++; | |
129 | /* fall through */ | |
130 | ||
131 | case FSTATE: | |
132 | case FCLEAR: | |
133 | newcg->cg_cs.cs_nifree--; | |
af29c275 | 134 | setbit(cg_inosused(newcg), i); |
993a756c | 135 | break; |
ea4448dc KM |
136 | |
137 | default: | |
138 | if (j < ROOTINO) | |
139 | break; | |
140 | errexit("BAD STATE %d FOR INODE I=%d", | |
141 | statemap[j], j); | |
993a756c | 142 | } |
62ae4dc6 | 143 | } |
993a756c KM |
144 | if (c == 0) |
145 | for (i = 0; i < ROOTINO; i++) { | |
af29c275 | 146 | setbit(cg_inosused(newcg), i); |
993a756c KM |
147 | newcg->cg_cs.cs_nifree--; |
148 | } | |
149 | for (i = 0, d = dbase; | |
af29c275 | 150 | d < dmax; |
484ac932 | 151 | d += fs->fs_frag, i += fs->fs_frag) { |
993a756c | 152 | frags = 0; |
484ac932 | 153 | for (j = 0; j < fs->fs_frag; j++) { |
569ec282 | 154 | if (testbmap(d + j)) |
993a756c | 155 | continue; |
af29c275 | 156 | setbit(cg_blksfree(newcg), i + j); |
993a756c KM |
157 | frags++; |
158 | } | |
484ac932 | 159 | if (frags == fs->fs_frag) { |
993a756c | 160 | newcg->cg_cs.cs_nbfree++; |
484ac932 | 161 | j = cbtocylno(fs, i); |
af29c275 | 162 | cg_blktot(newcg)[j]++; |
484ac932 | 163 | cg_blks(fs, newcg, j)[cbtorpos(fs, i)]++; |
993a756c KM |
164 | } else if (frags > 0) { |
165 | newcg->cg_cs.cs_nffree += frags; | |
484ac932 | 166 | blk = blkmap(fs, cg_blksfree(newcg), i); |
67295402 | 167 | ffs_fragacct(fs, blk, newcg->cg_frsum, 1); |
62ae4dc6 | 168 | } |
62ae4dc6 | 169 | } |
993a756c KM |
170 | cstotal.cs_nffree += newcg->cg_cs.cs_nffree; |
171 | cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree; | |
172 | cstotal.cs_nifree += newcg->cg_cs.cs_nifree; | |
173 | cstotal.cs_ndir += newcg->cg_cs.cs_ndir; | |
484ac932 | 174 | cs = &fs->fs_cs(fs, c); |
993a756c | 175 | if (bcmp((char *)&newcg->cg_cs, (char *)cs, sizeof *cs) != 0 && |
45c75771 | 176 | dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) { |
993a756c KM |
177 | bcopy((char *)&newcg->cg_cs, (char *)cs, sizeof *cs); |
178 | sbdirty(); | |
62ae4dc6 | 179 | } |
af29c275 | 180 | if (cvtflag) { |
d72e970b | 181 | bcopy((char *)newcg, (char *)cg, (size_t)fs->fs_cgsize); |
af29c275 KM |
182 | cgdirty(); |
183 | continue; | |
184 | } | |
185 | if (bcmp(cg_inosused(newcg), | |
484ac932 | 186 | cg_inosused(cg), mapsize) != 0 && |
45c75771 | 187 | dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) { |
d72e970b KM |
188 | bcopy(cg_inosused(newcg), cg_inosused(cg), |
189 | (size_t)mapsize); | |
af29c275 KM |
190 | cgdirty(); |
191 | } | |
484ac932 | 192 | if ((bcmp((char *)newcg, (char *)cg, basesize) != 0 || |
af29c275 | 193 | bcmp((char *)&cg_blktot(newcg)[0], |
484ac932 | 194 | (char *)&cg_blktot(cg)[0], sumsize) != 0) && |
45c75771 | 195 | dofix(&idesc[2], "SUMMARY INFORMATION BAD")) { |
d72e970b | 196 | bcopy((char *)newcg, (char *)cg, (size_t)basesize); |
af29c275 | 197 | bcopy((char *)&cg_blktot(newcg)[0], |
d72e970b | 198 | (char *)&cg_blktot(cg)[0], (size_t)sumsize); |
af29c275 KM |
199 | cgdirty(); |
200 | } | |
62ae4dc6 | 201 | } |
484ac932 KM |
202 | if (fs->fs_postblformat == FS_42POSTBLFMT) |
203 | fs->fs_nrpos = savednrpos; | |
204 | if (bcmp((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs) != 0 | |
45c75771 | 205 | && dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) { |
484ac932 KM |
206 | bcopy((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs); |
207 | fs->fs_ronly = 0; | |
208 | fs->fs_fmod = 0; | |
993a756c KM |
209 | sbdirty(); |
210 | } | |
62ae4dc6 | 211 | } |