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 |
70ab3c27 | 9 | static char sccsid[] = "@(#)pass4.c 5.9 (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> |
577b7874 KM |
15 | #include "fsck.h" |
16 | ||
17 | int pass4check(); | |
18 | ||
19 | pass4() | |
20 | { | |
82dc9a9e KM |
21 | register ino_t inumber; |
22 | register struct zlncnt *zlnp; | |
dbf20d0a | 23 | struct dinode *dp; |
577b7874 | 24 | struct inodesc idesc; |
82dc9a9e | 25 | int n; |
577b7874 KM |
26 | |
27 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
28 | idesc.id_type = ADDR; | |
29 | idesc.id_func = pass4check; | |
30 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
31 | idesc.id_number = inumber; | |
32 | switch (statemap[inumber]) { | |
33 | ||
34 | case FSTATE: | |
993a756c | 35 | case DFOUND: |
577b7874 KM |
36 | n = lncntp[inumber]; |
37 | if (n) | |
38 | adjust(&idesc, (short)n); | |
39 | else { | |
82dc9a9e KM |
40 | for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) |
41 | if (zlnp->zlncnt == inumber) { | |
1a02fd3a KM |
42 | zlnp->zlncnt = zlnhead->zlncnt; |
43 | zlnp = zlnhead; | |
44 | zlnhead = zlnhead->next; | |
569ec282 | 45 | free((char *)zlnp); |
577b7874 KM |
46 | clri(&idesc, "UNREF", 1); |
47 | break; | |
48 | } | |
49 | } | |
50 | break; | |
51 | ||
52 | case DSTATE: | |
53 | clri(&idesc, "UNREF", 1); | |
54 | break; | |
55 | ||
993a756c | 56 | case DCLEAR: |
dbf20d0a KM |
57 | dp = ginode(inumber); |
58 | if (dp->di_size == 0) { | |
59 | clri(&idesc, "ZERO LENGTH", 1); | |
60 | break; | |
61 | } | |
62 | /* fall through */ | |
993a756c | 63 | case FCLEAR: |
577b7874 KM |
64 | clri(&idesc, "BAD/DUP", 1); |
65 | break; | |
ea4448dc KM |
66 | |
67 | case USTATE: | |
68 | break; | |
69 | ||
70 | default: | |
71 | errexit("BAD STATE %d FOR INODE I=%d", | |
72 | statemap[inumber], inumber); | |
577b7874 KM |
73 | } |
74 | } | |
577b7874 KM |
75 | } |
76 | ||
77 | pass4check(idesc) | |
78 | register struct inodesc *idesc; | |
79 | { | |
62e6c152 | 80 | register struct dups *dlp; |
577b7874 KM |
81 | int nfrags, res = KEEPON; |
82 | daddr_t blkno = idesc->id_blkno; | |
83 | ||
84 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { | |
569ec282 | 85 | if (chkrange(blkno, 1)) { |
577b7874 | 86 | res = SKIP; |
569ec282 | 87 | } else if (testbmap(blkno)) { |
62e6c152 KM |
88 | for (dlp = duplist; dlp; dlp = dlp->next) { |
89 | if (dlp->dup != blkno) | |
90 | continue; | |
91 | dlp->dup = duplist->dup; | |
92 | dlp = duplist; | |
93 | duplist = duplist->next; | |
569ec282 | 94 | free((char *)dlp); |
62e6c152 KM |
95 | break; |
96 | } | |
97 | if (dlp == 0) { | |
98 | clrbmap(blkno); | |
99 | n_blks--; | |
100 | } | |
577b7874 KM |
101 | } |
102 | } | |
103 | return (res); | |
104 | } |