Commit | Line | Data |
---|---|---|
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 | ||
577b7874 | 8 | #ifndef lint |
d72e970b | 9 | static char sccsid[] = "@(#)pass4.c 5.10 (Berkeley) %G%"; |
fe32782c | 10 | #endif /* not lint */ |
577b7874 KM |
11 | |
12 | #include <sys/param.h> | |
72e5286b | 13 | #include <ufs/dinode.h> |
4d7f4685 | 14 | #include <ufs/fs.h> |
d72e970b KM |
15 | #include <stdlib.h> |
16 | #include <string.h> | |
577b7874 KM |
17 | #include "fsck.h" |
18 | ||
19 | int pass4check(); | |
20 | ||
21 | pass4() | |
22 | { | |
82dc9a9e KM |
23 | register ino_t inumber; |
24 | register struct zlncnt *zlnp; | |
dbf20d0a | 25 | struct dinode *dp; |
577b7874 | 26 | struct inodesc idesc; |
82dc9a9e | 27 | int n; |
577b7874 KM |
28 | |
29 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
30 | idesc.id_type = ADDR; | |
31 | idesc.id_func = pass4check; | |
32 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
33 | idesc.id_number = inumber; | |
34 | switch (statemap[inumber]) { | |
35 | ||
36 | case FSTATE: | |
993a756c | 37 | case DFOUND: |
577b7874 KM |
38 | n = lncntp[inumber]; |
39 | if (n) | |
40 | adjust(&idesc, (short)n); | |
41 | else { | |
82dc9a9e KM |
42 | for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) |
43 | if (zlnp->zlncnt == inumber) { | |
1a02fd3a KM |
44 | zlnp->zlncnt = zlnhead->zlncnt; |
45 | zlnp = zlnhead; | |
46 | zlnhead = zlnhead->next; | |
569ec282 | 47 | free((char *)zlnp); |
577b7874 KM |
48 | clri(&idesc, "UNREF", 1); |
49 | break; | |
50 | } | |
51 | } | |
52 | break; | |
53 | ||
54 | case DSTATE: | |
55 | clri(&idesc, "UNREF", 1); | |
56 | break; | |
57 | ||
993a756c | 58 | case DCLEAR: |
dbf20d0a KM |
59 | dp = ginode(inumber); |
60 | if (dp->di_size == 0) { | |
61 | clri(&idesc, "ZERO LENGTH", 1); | |
62 | break; | |
63 | } | |
64 | /* fall through */ | |
993a756c | 65 | case FCLEAR: |
577b7874 KM |
66 | clri(&idesc, "BAD/DUP", 1); |
67 | break; | |
ea4448dc KM |
68 | |
69 | case USTATE: | |
70 | break; | |
71 | ||
72 | default: | |
73 | errexit("BAD STATE %d FOR INODE I=%d", | |
74 | statemap[inumber], inumber); | |
577b7874 KM |
75 | } |
76 | } | |
577b7874 KM |
77 | } |
78 | ||
79 | pass4check(idesc) | |
80 | register struct inodesc *idesc; | |
81 | { | |
62e6c152 | 82 | register struct dups *dlp; |
577b7874 KM |
83 | int nfrags, res = KEEPON; |
84 | daddr_t blkno = idesc->id_blkno; | |
85 | ||
86 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { | |
569ec282 | 87 | if (chkrange(blkno, 1)) { |
577b7874 | 88 | res = SKIP; |
569ec282 | 89 | } else if (testbmap(blkno)) { |
62e6c152 KM |
90 | for (dlp = duplist; dlp; dlp = dlp->next) { |
91 | if (dlp->dup != blkno) | |
92 | continue; | |
93 | dlp->dup = duplist->dup; | |
94 | dlp = duplist; | |
95 | duplist = duplist->next; | |
569ec282 | 96 | free((char *)dlp); |
62e6c152 KM |
97 | break; |
98 | } | |
99 | if (dlp == 0) { | |
100 | clrbmap(blkno); | |
101 | n_blks--; | |
102 | } | |
577b7874 KM |
103 | } |
104 | } | |
105 | return (res); | |
106 | } |