Commit | Line | Data |
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7026cd3f | 1 | #ifndef lint |
48a66bfb | 2 | static char version[] = "@(#)inode.c 3.5 (Berkeley) %G%"; |
7026cd3f KM |
3 | #endif |
4 | ||
5 | #include <sys/param.h> | |
6 | #include <sys/inode.h> | |
7 | #include <sys/fs.h> | |
8 | #include <sys/dir.h> | |
9 | #include "fsck.h" | |
10 | ||
11 | ckinode(dp, idesc) | |
12 | DINODE *dp; | |
13 | register struct inodesc *idesc; | |
14 | { | |
15 | register daddr_t *ap; | |
16 | int ret, n, ndb, offset; | |
17 | DINODE dino; | |
18 | ||
7718c0e6 | 19 | if (SPECIAL(dp)) |
7026cd3f KM |
20 | return (KEEPON); |
21 | dino = *dp; | |
22 | idesc->id_fix = DONTKNOW; | |
23 | idesc->id_entryno = 0; | |
24 | ndb = howmany(dino.di_size, sblock.fs_bsize); | |
25 | for (ap = &dino.di_db[0]; ap < &dino.di_db[NDADDR]; ap++) { | |
26 | if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0) | |
27 | idesc->id_numfrags = | |
28 | numfrags(&sblock, fragroundup(&sblock, offset)); | |
29 | else | |
30 | idesc->id_numfrags = sblock.fs_frag; | |
31 | if (*ap == 0) | |
32 | continue; | |
33 | idesc->id_blkno = *ap; | |
34 | if (idesc->id_type == ADDR) | |
35 | ret = (*idesc->id_func)(idesc); | |
36 | else | |
37 | ret = dirscan(idesc); | |
38 | if (ret & STOP) | |
39 | return (ret); | |
40 | } | |
41 | idesc->id_numfrags = sblock.fs_frag; | |
7718c0e6 | 42 | for (ap = &dino.di_ib[0], n = 1; n <= NIADDR; ap++, n++) { |
7026cd3f KM |
43 | if (*ap) { |
44 | idesc->id_blkno = *ap; | |
45 | ret = iblock(idesc, n, | |
46 | dino.di_size - sblock.fs_bsize * NDADDR); | |
47 | if (ret & STOP) | |
48 | return (ret); | |
49 | } | |
50 | } | |
51 | return (KEEPON); | |
52 | } | |
53 | ||
54 | iblock(idesc, ilevel, isize) | |
55 | struct inodesc *idesc; | |
56 | register ilevel; | |
57 | long isize; | |
58 | { | |
59 | register daddr_t *ap; | |
60 | register daddr_t *aplim; | |
7718c0e6 | 61 | int i, n, (*func)(), nif, sizepb; |
7026cd3f | 62 | BUFAREA ib; |
48a66bfb | 63 | extern int pass1check(); |
7026cd3f KM |
64 | |
65 | if (idesc->id_type == ADDR) { | |
66 | func = idesc->id_func; | |
67 | if (((n = (*func)(idesc)) & KEEPON) == 0) | |
68 | return (n); | |
69 | } else | |
70 | func = dirscan; | |
71 | if (outrange(idesc->id_blkno, idesc->id_numfrags)) /* protect thyself */ | |
72 | return (SKIP); | |
73 | initbarea(&ib); | |
74 | if (getblk(&ib, idesc->id_blkno, sblock.fs_bsize) == NULL) | |
75 | return (SKIP); | |
76 | ilevel--; | |
7718c0e6 KM |
77 | for (sizepb = sblock.fs_bsize, i = 0; i < ilevel; i++) |
78 | sizepb *= NINDIR(&sblock); | |
79 | nif = isize / sizepb + 1; | |
7026cd3f KM |
80 | if (nif > NINDIR(&sblock)) |
81 | nif = NINDIR(&sblock); | |
48a66bfb KM |
82 | if (idesc->id_func == pass1check && nif < NINDIR(&sblock)) { |
83 | aplim = &ib.b_un.b_indir[NINDIR(&sblock)]; | |
84 | for (ap = &ib.b_un.b_indir[nif]; ap < aplim; ap++) { | |
85 | if (*ap == 0) | |
86 | continue; | |
87 | if (dofix(idesc, "PARTIALLY TRUNCATED INODE")) { | |
88 | *ap = 0; | |
89 | dirty(&ib); | |
90 | } | |
91 | } | |
92 | flush(&dfile, &ib); | |
93 | } | |
7026cd3f KM |
94 | aplim = &ib.b_un.b_indir[nif]; |
95 | for (ap = ib.b_un.b_indir, i = 1; ap < aplim; ap++, i++) | |
96 | if (*ap) { | |
97 | idesc->id_blkno = *ap; | |
98 | if (ilevel > 0) | |
7718c0e6 | 99 | n = iblock(idesc, ilevel, isize - i * sizepb); |
7026cd3f KM |
100 | else |
101 | n = (*func)(idesc); | |
102 | if (n & STOP) | |
103 | return (n); | |
104 | } | |
105 | return (KEEPON); | |
106 | } | |
107 | ||
108 | outrange(blk, cnt) | |
109 | daddr_t blk; | |
110 | int cnt; | |
111 | { | |
112 | register int c; | |
113 | ||
114 | if ((unsigned)(blk+cnt) > fmax) | |
115 | return (1); | |
116 | c = dtog(&sblock, blk); | |
117 | if (blk < cgdmin(&sblock, c)) { | |
118 | if ((blk+cnt) > cgsblock(&sblock, c)) { | |
119 | if (debug) { | |
120 | printf("blk %d < cgdmin %d;", | |
121 | blk, cgdmin(&sblock, c)); | |
122 | printf(" blk+cnt %d > cgsbase %d\n", | |
123 | blk+cnt, cgsblock(&sblock, c)); | |
124 | } | |
125 | return (1); | |
126 | } | |
127 | } else { | |
128 | if ((blk+cnt) > cgbase(&sblock, c+1)) { | |
129 | if (debug) { | |
130 | printf("blk %d >= cgdmin %d;", | |
131 | blk, cgdmin(&sblock, c)); | |
132 | printf(" blk+cnt %d > sblock.fs_fpg %d\n", | |
133 | blk+cnt, sblock.fs_fpg); | |
134 | } | |
135 | return (1); | |
136 | } | |
137 | } | |
138 | return (0); | |
139 | } | |
140 | ||
141 | DINODE * | |
142 | ginode(inumber) | |
143 | ino_t inumber; | |
144 | { | |
145 | daddr_t iblk; | |
146 | static ino_t startinum = 0; /* blk num of first in raw area */ | |
147 | ||
148 | ||
39c18287 KM |
149 | if (inumber < ROOTINO || inumber > imax) |
150 | errexit("bad inode number %d to ginode\n", inumber); | |
7026cd3f KM |
151 | if (startinum == 0 || |
152 | inumber < startinum || inumber >= startinum + INOPB(&sblock)) { | |
153 | iblk = itod(&sblock, inumber); | |
154 | if (getblk(&inoblk, iblk, sblock.fs_bsize) == NULL) { | |
155 | return (NULL); | |
156 | } | |
157 | startinum = (inumber / INOPB(&sblock)) * INOPB(&sblock); | |
158 | } | |
159 | return (&inoblk.b_un.b_dinode[inumber % INOPB(&sblock)]); | |
160 | } | |
161 | ||
162 | clri(idesc, s, flg) | |
163 | register struct inodesc *idesc; | |
164 | char *s; | |
165 | int flg; | |
166 | { | |
167 | register DINODE *dp; | |
168 | ||
39c18287 | 169 | dp = ginode(idesc->id_number); |
7026cd3f | 170 | if (flg == 1) { |
7718c0e6 | 171 | pwarn("%s %s", s, DIRCT(dp) ? "DIR" : "FILE"); |
7026cd3f KM |
172 | pinode(idesc->id_number); |
173 | } | |
174 | if (preen || reply("CLEAR") == 1) { | |
175 | if (preen) | |
176 | printf(" (CLEARED)\n"); | |
177 | n_files--; | |
178 | (void)ckinode(dp, idesc); | |
179 | zapino(dp); | |
180 | statemap[idesc->id_number] = USTATE; | |
181 | inodirty(); | |
7026cd3f KM |
182 | } |
183 | } | |
184 | ||
185 | findino(idesc) | |
186 | struct inodesc *idesc; | |
187 | { | |
188 | register DIRECT *dirp = idesc->id_dirp; | |
189 | ||
190 | if (dirp->d_ino == 0) | |
191 | return (KEEPON); | |
7718c0e6 | 192 | if (!strcmp(dirp->d_name, idesc->id_name)) { |
7026cd3f KM |
193 | if (dirp->d_ino >= ROOTINO && dirp->d_ino <= imax) |
194 | idesc->id_parent = dirp->d_ino; | |
195 | return (STOP); | |
196 | } | |
197 | return (KEEPON); | |
198 | } | |
199 | ||
200 | pinode(ino) | |
201 | ino_t ino; | |
202 | { | |
203 | register DINODE *dp; | |
204 | register char *p; | |
205 | char uidbuf[BUFSIZ]; | |
206 | char *ctime(); | |
207 | ||
208 | printf(" I=%u ", ino); | |
39c18287 | 209 | if (ino < ROOTINO || ino > imax) |
7026cd3f | 210 | return; |
39c18287 | 211 | dp = ginode(ino); |
7026cd3f KM |
212 | printf(" OWNER="); |
213 | if (getpw((int)dp->di_uid, uidbuf) == 0) { | |
214 | for (p = uidbuf; *p != ':'; p++); | |
215 | *p = 0; | |
216 | printf("%s ", uidbuf); | |
217 | } | |
218 | else { | |
219 | printf("%d ", dp->di_uid); | |
220 | } | |
221 | printf("MODE=%o\n", dp->di_mode); | |
222 | if (preen) | |
223 | printf("%s: ", devname); | |
224 | printf("SIZE=%ld ", dp->di_size); | |
225 | p = ctime(&dp->di_mtime); | |
226 | printf("MTIME=%12.12s %4.4s ", p+4, p+20); | |
227 | } | |
228 | ||
229 | blkerr(ino, s, blk) | |
230 | ino_t ino; | |
231 | char *s; | |
232 | daddr_t blk; | |
233 | { | |
234 | ||
235 | pfatal("%ld %s I=%u", blk, s, ino); | |
236 | printf("\n"); | |
993a756c KM |
237 | switch (statemap[ino]) { |
238 | ||
239 | case FSTATE: | |
240 | statemap[ino] = FCLEAR; | |
241 | return; | |
242 | ||
243 | case DSTATE: | |
244 | statemap[ino] = DCLEAR; | |
245 | return; | |
246 | ||
247 | case FCLEAR: | |
248 | case DCLEAR: | |
249 | return; | |
250 | ||
251 | default: | |
252 | errexit("BAD STATE %d TO BLKERR", statemap[ino]); | |
253 | /* NOTREACHED */ | |
254 | } | |
7026cd3f | 255 | } |