Commit | Line | Data |
---|---|---|
19052d90 | 1 | #ifndef lint |
7718c0e6 | 2 | static char version[] = "@(#)pass1.c 3.2 (Berkeley) %G%"; |
19052d90 KM |
3 | #endif |
4 | ||
5 | #include <sys/param.h> | |
6 | #include <sys/inode.h> | |
7 | #include <sys/fs.h> | |
8 | #include "fsck.h" | |
9 | ||
10 | int pass1check(); | |
11 | ||
12 | pass1() | |
13 | { | |
14 | register int c, i, n, j; | |
15 | register DINODE *dp; | |
7718c0e6 | 16 | int ndb, partial, cgd; |
19052d90 KM |
17 | struct inodesc idesc; |
18 | ino_t inumber; | |
19 | ||
7718c0e6 KM |
20 | /* |
21 | * Set file system reserved blocks in used block map. | |
22 | */ | |
23 | for (c = 0; c < sblock.fs_ncg; c++) { | |
24 | cgd = cgdmin(&sblock, c); | |
25 | if (c == 0) { | |
26 | i = cgbase(&sblock, c); | |
27 | cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); | |
28 | } else | |
29 | i = cgsblock(&sblock, c); | |
30 | for (; i < cgd; i++) | |
31 | setbmap(i); | |
32 | } | |
33 | /* | |
34 | * Find all allocated blocks. | |
35 | */ | |
19052d90 KM |
36 | bzero((char *)&idesc, sizeof(struct inodesc)); |
37 | idesc.id_type = ADDR; | |
38 | idesc.id_func = pass1check; | |
39 | inumber = 0; | |
40 | n_blks += howmany(sblock.fs_cssize, sblock.fs_fsize); | |
41 | for (c = 0; c < sblock.fs_ncg; c++) { | |
42 | if (getblk(&cgblk, cgtod(&sblock, c), sblock.fs_cgsize) == 0) | |
43 | continue; | |
44 | if (cgrp.cg_magic != CG_MAGIC) { | |
45 | pfatal("CG %d: BAD MAGIC NUMBER\n", c); | |
46 | bzero((char *)&cgrp, (int)sblock.fs_cgsize); | |
47 | } | |
48 | n = 0; | |
49 | for (i = 0; i < sblock.fs_ipg; i++, inumber++) { | |
50 | dp = ginode(inumber); | |
51 | if (dp == NULL) | |
52 | continue; | |
53 | n++; | |
7718c0e6 | 54 | if (ALLOC(dp)) { |
19052d90 KM |
55 | if (!isset(cgrp.cg_iused, i)) { |
56 | if (debug) | |
57 | printf("%d bad, not used\n", | |
58 | inumber); | |
59 | inosumbad++; | |
60 | } | |
61 | n--; | |
62 | lastino = inumber; | |
63 | if (!preen && (dp->di_mode & IFMT) == IFMT && | |
64 | reply("HOLD BAD BLOCK") == 1) { | |
65 | dp->di_size = sblock.fs_fsize; | |
66 | dp->di_mode = IFREG|0600; | |
67 | inodirty(); | |
68 | } else if (ftypeok(dp) == 0) | |
69 | goto unknown; | |
70 | if (dp->di_size < 0) { | |
71 | if (debug) | |
72 | printf("bad size %d:", | |
73 | dp->di_size); | |
74 | goto unknown; | |
75 | } | |
76 | ndb = howmany(dp->di_size, sblock.fs_bsize); | |
7718c0e6 | 77 | if (SPECIAL(dp)) |
19052d90 KM |
78 | ndb++; |
79 | for (j = ndb; j < NDADDR; j++) | |
80 | if (dp->di_db[j] != 0) { | |
81 | if (debug) | |
82 | printf("bad direct addr: %d\n", | |
83 | dp->di_db[j]); | |
84 | goto unknown; | |
85 | } | |
86 | for (j = 0, ndb -= NDADDR; ndb > 0; j++) | |
87 | ndb /= NINDIR(&sblock); | |
88 | for (; j < NIADDR; j++) | |
89 | if (dp->di_ib[j] != 0) { | |
90 | if (debug) | |
91 | printf("bad indirect addr: %d\n", | |
92 | dp->di_ib[j]); | |
93 | goto unknown; | |
94 | } | |
95 | n_files++; | |
96 | lncntp[inumber] = dp->di_nlink; | |
97 | if (dp->di_nlink <= 0) { | |
98 | if (badlnp < &badlncnt[MAXLNCNT]) | |
99 | *badlnp++ = inumber; | |
100 | else { | |
101 | pfatal("LINK COUNT TABLE OVERFLOW"); | |
102 | if (reply("CONTINUE") == 0) | |
103 | errexit(""); | |
104 | } | |
105 | } | |
7718c0e6 | 106 | statemap[inumber] = DIRCT(dp) ? DSTATE : FSTATE; |
19052d90 KM |
107 | badblk = dupblk = 0; maxblk = 0; |
108 | idesc.id_number = inumber; | |
109 | idesc.id_filesize = 0; | |
110 | (void)ckinode(dp, &idesc); | |
111 | idesc.id_filesize *= btodb(sblock.fs_fsize); | |
112 | if (dp->di_blocks != idesc.id_filesize) { | |
113 | pwarn("INCORRECT BLOCK COUNT I=%u (%ld should be %ld)", | |
114 | inumber, dp->di_blocks, | |
115 | idesc.id_filesize); | |
116 | if (preen) | |
117 | printf(" (CORRECTED)\n"); | |
118 | else if (reply("CORRECT") == 0) | |
119 | continue; | |
120 | dp->di_blocks = idesc.id_filesize; | |
121 | inodirty(); | |
122 | } | |
123 | continue; | |
124 | unknown: | |
125 | pfatal("UNKNOWN FILE TYPE I=%u", inumber); | |
126 | if (reply("CLEAR") == 1) { | |
127 | zapino(dp); | |
128 | inodirty(); | |
129 | inosumbad++; | |
130 | } | |
131 | } else { | |
132 | if (isset(cgrp.cg_iused, i)) { | |
133 | if (debug) | |
134 | printf("%d bad, marked used\n", | |
135 | inumber); | |
136 | inosumbad++; | |
137 | n--; | |
138 | } | |
139 | partial = 0; | |
140 | for (j = 0; j < NDADDR; j++) | |
141 | if (dp->di_db[j] != 0) | |
142 | partial++; | |
143 | for (j = 0; j < NIADDR; j++) | |
144 | if (dp->di_ib[j] != 0) | |
145 | partial++; | |
146 | if (partial || dp->di_mode != 0 || | |
147 | dp->di_size != 0) { | |
148 | pfatal("PARTIALLY ALLOCATED INODE I=%u", | |
149 | inumber); | |
150 | if (reply("CLEAR") == 1) { | |
151 | zapino(dp); | |
152 | inodirty(); | |
153 | inosumbad++; | |
154 | } | |
155 | } | |
156 | } | |
157 | } | |
158 | if (n != cgrp.cg_cs.cs_nifree) { | |
159 | if (debug) | |
160 | printf("cg[%d].cg_cs.cs_nifree is %d; calc %d\n", | |
161 | c, cgrp.cg_cs.cs_nifree, n); | |
162 | inosumbad++; | |
163 | } | |
164 | if (cgrp.cg_cs.cs_nbfree != sblock.fs_cs(&sblock, c).cs_nbfree | |
165 | || cgrp.cg_cs.cs_nffree != sblock.fs_cs(&sblock, c).cs_nffree | |
166 | || cgrp.cg_cs.cs_nifree != sblock.fs_cs(&sblock, c).cs_nifree | |
167 | || cgrp.cg_cs.cs_ndir != sblock.fs_cs(&sblock, c).cs_ndir) | |
168 | sbsumbad++; | |
169 | } | |
170 | } | |
171 | ||
172 | pass1check(idesc) | |
173 | register struct inodesc *idesc; | |
174 | { | |
175 | register daddr_t *dlp; | |
176 | int res = KEEPON; | |
177 | int anyout, nfrags; | |
178 | daddr_t blkno = idesc->id_blkno; | |
179 | ||
7718c0e6 KM |
180 | if ((anyout = outrange(blkno, idesc->id_numfrags)) != 0) { |
181 | blkerr(idesc->id_number, "BAD", blkno); | |
182 | if (++badblk >= MAXBAD) { | |
183 | pwarn("EXCESSIVE BAD BLKS I=%u", | |
184 | idesc->id_number); | |
185 | if (preen) | |
186 | printf(" (SKIPPING)\n"); | |
187 | else if (reply("CONTINUE") == 0) | |
188 | errexit(""); | |
189 | return (STOP); | |
190 | } | |
191 | } | |
19052d90 KM |
192 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { |
193 | if (anyout && outrange(blkno, 1)) { | |
19052d90 | 194 | res = SKIP; |
7718c0e6 KM |
195 | } else if (!getbmap(blkno)) { |
196 | n_blks++; | |
197 | setbmap(blkno); | |
198 | } else { | |
19052d90 KM |
199 | blkerr(idesc->id_number, "DUP", blkno); |
200 | if (++dupblk >= MAXDUP) { | |
201 | pwarn("EXCESSIVE DUP BLKS I=%u", | |
202 | idesc->id_number); | |
203 | if (preen) | |
204 | printf(" (SKIPPING)\n"); | |
205 | else if (reply("CONTINUE") == 0) | |
206 | errexit(""); | |
207 | return (STOP); | |
208 | } | |
209 | if (enddup >= &duplist[DUPTBLSIZE]) { | |
210 | pfatal("DUP TABLE OVERFLOW."); | |
211 | if (reply("CONTINUE") == 0) | |
212 | errexit(""); | |
213 | return (STOP); | |
214 | } | |
215 | for (dlp = duplist; dlp < muldup; dlp++) | |
216 | if (*dlp == blkno) { | |
217 | *enddup++ = blkno; | |
218 | break; | |
219 | } | |
220 | if (dlp >= muldup) { | |
221 | *enddup++ = *muldup; | |
222 | *muldup++ = blkno; | |
223 | } | |
19052d90 KM |
224 | } |
225 | idesc->id_filesize++; | |
226 | } | |
227 | return (res); | |
228 | } |