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 |
558b3a30 | 9 | static char sccsid[] = "@(#)pass5.c 5.14 (Berkeley) %G%"; |
fe32782c | 10 | #endif /* not lint */ |
62ae4dc6 KM |
11 | |
12 | #include <sys/param.h> | |
558b3a30 KB |
13 | #include <ufs/ufs/dinode.h> |
14 | #include <ufs/ffs/fs.h> | |
d72e970b | 15 | #include <string.h> |
62ae4dc6 KM |
16 | #include "fsck.h" |
17 | ||
18 | pass5() | |
19 | { | |
af29c275 | 20 | int c, blk, frags, basesize, sumsize, mapsize, savednrpos; |
484ac932 KM |
21 | register struct fs *fs = &sblock; |
22 | register struct cg *cg = &cgrp; | |
af29c275 KM |
23 | daddr_t dbase, dmax; |
24 | register daddr_t d; | |
993a756c KM |
25 | register long i, j; |
26 | struct csum *cs; | |
27 | time_t now; | |
28 | struct csum cstotal; | |
45c75771 | 29 | struct inodesc idesc[3]; |
993a756c KM |
30 | char buf[MAXBSIZE]; |
31 | register struct cg *newcg = (struct cg *)buf; | |
af29c275 | 32 | struct ocg *ocg = (struct ocg *)buf; |
62ae4dc6 | 33 | |
d72e970b | 34 | bzero((char *)newcg, (size_t)fs->fs_cgsize); |
484ac932 | 35 | newcg->cg_niblk = fs->fs_ipg; |
569ec282 | 36 | switch ((int)fs->fs_postblformat) { |
af29c275 KM |
37 | |
38 | case FS_42POSTBLFMT: | |
39 | basesize = (char *)(&ocg->cg_btot[0]) - (char *)(&ocg->cg_link); | |
40 | sumsize = &ocg->cg_iused[0] - (char *)(&ocg->cg_btot[0]); | |
484ac932 | 41 | mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] - |
af29c275 KM |
42 | (u_char *)&ocg->cg_iused[0]; |
43 | ocg->cg_magic = CG_MAGIC; | |
484ac932 KM |
44 | savednrpos = fs->fs_nrpos; |
45 | fs->fs_nrpos = 8; | |
af29c275 KM |
46 | break; |
47 | ||
48 | case FS_DYNAMICPOSTBLFMT: | |
49 | newcg->cg_btotoff = | |
50 | &newcg->cg_space[0] - (u_char *)(&newcg->cg_link); | |
51 | newcg->cg_boff = | |
484ac932 | 52 | newcg->cg_btotoff + fs->fs_cpg * sizeof(long); |
af29c275 | 53 | newcg->cg_iusedoff = newcg->cg_boff + |
484ac932 | 54 | fs->fs_cpg * fs->fs_nrpos * sizeof(short); |
af29c275 | 55 | newcg->cg_freeoff = |
484ac932 | 56 | newcg->cg_iusedoff + howmany(fs->fs_ipg, NBBY); |
af29c275 | 57 | newcg->cg_nextfreeoff = newcg->cg_freeoff + |
484ac932 | 58 | howmany(fs->fs_cpg * fs->fs_spc / NSPF(fs), |
af29c275 KM |
59 | NBBY); |
60 | newcg->cg_magic = CG_MAGIC; | |
61 | basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_link); | |
62 | sumsize = newcg->cg_iusedoff - newcg->cg_btotoff; | |
63 | mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff; | |
64 | break; | |
65 | ||
66 | default: | |
67 | errexit("UNKNOWN ROTATIONAL TABLE FORMAT %d\n", | |
484ac932 | 68 | fs->fs_postblformat); |
af29c275 | 69 | } |
45c75771 KM |
70 | bzero((char *)&idesc[0], sizeof idesc); |
71 | for (i = 0; i < 3; i++) | |
72 | idesc[i].id_type = ADDR; | |
993a756c | 73 | bzero((char *)&cstotal, sizeof(struct csum)); |
993a756c | 74 | (void)time(&now); |
c2c8f378 KM |
75 | j = blknum(fs, fs->fs_size + fs->fs_frag - 1); |
76 | for (i = fs->fs_size; i < j; i++) | |
af29c275 | 77 | setbmap(i); |
484ac932 KM |
78 | for (c = 0; c < fs->fs_ncg; c++) { |
79 | getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize); | |
80 | if (!cg_chkmagic(cg)) | |
62ae4dc6 | 81 | pfatal("CG %d: BAD MAGIC NUMBER\n", c); |
484ac932 KM |
82 | dbase = cgbase(fs, c); |
83 | dmax = dbase + fs->fs_fpg; | |
84 | if (dmax > fs->fs_size) | |
85 | dmax = fs->fs_size; | |
86 | if (now > cg->cg_time) | |
87 | newcg->cg_time = cg->cg_time; | |
993a756c KM |
88 | else |
89 | newcg->cg_time = now; | |
90 | newcg->cg_cgx = c; | |
484ac932 KM |
91 | if (c == fs->fs_ncg - 1) |
92 | newcg->cg_ncyl = fs->fs_ncyl % fs->fs_cpg; | |
993a756c | 93 | else |
484ac932 | 94 | newcg->cg_ncyl = fs->fs_cpg; |
993a756c KM |
95 | newcg->cg_ndblk = dmax - dbase; |
96 | newcg->cg_cs.cs_ndir = 0; | |
97 | newcg->cg_cs.cs_nffree = 0; | |
98 | newcg->cg_cs.cs_nbfree = 0; | |
484ac932 KM |
99 | newcg->cg_cs.cs_nifree = fs->fs_ipg; |
100 | if (cg->cg_rotor < newcg->cg_ndblk) | |
101 | newcg->cg_rotor = cg->cg_rotor; | |
993a756c KM |
102 | else |
103 | newcg->cg_rotor = 0; | |
484ac932 KM |
104 | if (cg->cg_frotor < newcg->cg_ndblk) |
105 | newcg->cg_frotor = cg->cg_frotor; | |
993a756c KM |
106 | else |
107 | newcg->cg_frotor = 0; | |
484ac932 KM |
108 | if (cg->cg_irotor < newcg->cg_niblk) |
109 | newcg->cg_irotor = cg->cg_irotor; | |
993a756c KM |
110 | else |
111 | newcg->cg_irotor = 0; | |
af29c275 | 112 | bzero((char *)&newcg->cg_frsum[0], sizeof newcg->cg_frsum); |
d72e970b KM |
113 | bzero((char *)&cg_blktot(newcg)[0], |
114 | (size_t)(sumsize + mapsize)); | |
484ac932 | 115 | if (fs->fs_postblformat == FS_42POSTBLFMT) |
af29c275 | 116 | ocg->cg_magic = CG_MAGIC; |
484ac932 KM |
117 | j = fs->fs_ipg * c; |
118 | for (i = 0; i < fs->fs_ipg; j++, i++) { | |
993a756c KM |
119 | switch (statemap[j]) { |
120 | ||
121 | case USTATE: | |
122 | break; | |
123 | ||
124 | case DSTATE: | |
125 | case DCLEAR: | |
126 | case DFOUND: | |
127 | newcg->cg_cs.cs_ndir++; | |
128 | /* fall through */ | |
129 | ||
130 | case FSTATE: | |
131 | case FCLEAR: | |
132 | newcg->cg_cs.cs_nifree--; | |
af29c275 | 133 | setbit(cg_inosused(newcg), i); |
993a756c | 134 | break; |
ea4448dc KM |
135 | |
136 | default: | |
137 | if (j < ROOTINO) | |
138 | break; | |
139 | errexit("BAD STATE %d FOR INODE I=%d", | |
140 | statemap[j], j); | |
993a756c | 141 | } |
62ae4dc6 | 142 | } |
993a756c KM |
143 | if (c == 0) |
144 | for (i = 0; i < ROOTINO; i++) { | |
af29c275 | 145 | setbit(cg_inosused(newcg), i); |
993a756c KM |
146 | newcg->cg_cs.cs_nifree--; |
147 | } | |
148 | for (i = 0, d = dbase; | |
af29c275 | 149 | d < dmax; |
484ac932 | 150 | d += fs->fs_frag, i += fs->fs_frag) { |
993a756c | 151 | frags = 0; |
484ac932 | 152 | for (j = 0; j < fs->fs_frag; j++) { |
569ec282 | 153 | if (testbmap(d + j)) |
993a756c | 154 | continue; |
af29c275 | 155 | setbit(cg_blksfree(newcg), i + j); |
993a756c KM |
156 | frags++; |
157 | } | |
484ac932 | 158 | if (frags == fs->fs_frag) { |
993a756c | 159 | newcg->cg_cs.cs_nbfree++; |
484ac932 | 160 | j = cbtocylno(fs, i); |
af29c275 | 161 | cg_blktot(newcg)[j]++; |
484ac932 | 162 | cg_blks(fs, newcg, j)[cbtorpos(fs, i)]++; |
993a756c KM |
163 | } else if (frags > 0) { |
164 | newcg->cg_cs.cs_nffree += frags; | |
484ac932 KM |
165 | blk = blkmap(fs, cg_blksfree(newcg), i); |
166 | fragacct(fs, blk, newcg->cg_frsum, 1); | |
62ae4dc6 | 167 | } |
62ae4dc6 | 168 | } |
993a756c KM |
169 | cstotal.cs_nffree += newcg->cg_cs.cs_nffree; |
170 | cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree; | |
171 | cstotal.cs_nifree += newcg->cg_cs.cs_nifree; | |
172 | cstotal.cs_ndir += newcg->cg_cs.cs_ndir; | |
484ac932 | 173 | cs = &fs->fs_cs(fs, c); |
993a756c | 174 | if (bcmp((char *)&newcg->cg_cs, (char *)cs, sizeof *cs) != 0 && |
45c75771 | 175 | dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) { |
993a756c KM |
176 | bcopy((char *)&newcg->cg_cs, (char *)cs, sizeof *cs); |
177 | sbdirty(); | |
62ae4dc6 | 178 | } |
af29c275 | 179 | if (cvtflag) { |
d72e970b | 180 | bcopy((char *)newcg, (char *)cg, (size_t)fs->fs_cgsize); |
af29c275 KM |
181 | cgdirty(); |
182 | continue; | |
183 | } | |
184 | if (bcmp(cg_inosused(newcg), | |
484ac932 | 185 | cg_inosused(cg), mapsize) != 0 && |
45c75771 | 186 | dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) { |
d72e970b KM |
187 | bcopy(cg_inosused(newcg), cg_inosused(cg), |
188 | (size_t)mapsize); | |
af29c275 KM |
189 | cgdirty(); |
190 | } | |
484ac932 | 191 | if ((bcmp((char *)newcg, (char *)cg, basesize) != 0 || |
af29c275 | 192 | bcmp((char *)&cg_blktot(newcg)[0], |
484ac932 | 193 | (char *)&cg_blktot(cg)[0], sumsize) != 0) && |
45c75771 | 194 | dofix(&idesc[2], "SUMMARY INFORMATION BAD")) { |
d72e970b | 195 | bcopy((char *)newcg, (char *)cg, (size_t)basesize); |
af29c275 | 196 | bcopy((char *)&cg_blktot(newcg)[0], |
d72e970b | 197 | (char *)&cg_blktot(cg)[0], (size_t)sumsize); |
af29c275 KM |
198 | cgdirty(); |
199 | } | |
62ae4dc6 | 200 | } |
484ac932 KM |
201 | if (fs->fs_postblformat == FS_42POSTBLFMT) |
202 | fs->fs_nrpos = savednrpos; | |
203 | if (bcmp((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs) != 0 | |
45c75771 | 204 | && dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) { |
484ac932 KM |
205 | bcopy((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs); |
206 | fs->fs_ronly = 0; | |
207 | fs->fs_fmod = 0; | |
993a756c KM |
208 | sbdirty(); |
209 | } | |
62ae4dc6 | 210 | } |