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 | ||
577b7874 | 8 | #ifndef lint |
b82067db | 9 | static char sccsid[] = "@(#)pass4.c 5.12 (Berkeley) %G%"; |
fe32782c | 10 | #endif /* not lint */ |
577b7874 KM |
11 | |
12 | #include <sys/param.h> | |
b82067db | 13 | #include <sys/time.h> |
558b3a30 KB |
14 | #include <ufs/ufs/dinode.h> |
15 | #include <ufs/ffs/fs.h> | |
d72e970b KM |
16 | #include <stdlib.h> |
17 | #include <string.h> | |
577b7874 KM |
18 | #include "fsck.h" |
19 | ||
20 | int pass4check(); | |
21 | ||
22 | pass4() | |
23 | { | |
82dc9a9e KM |
24 | register ino_t inumber; |
25 | register struct zlncnt *zlnp; | |
dbf20d0a | 26 | struct dinode *dp; |
577b7874 | 27 | struct inodesc idesc; |
82dc9a9e | 28 | int n; |
577b7874 KM |
29 | |
30 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
31 | idesc.id_type = ADDR; | |
32 | idesc.id_func = pass4check; | |
33 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
34 | idesc.id_number = inumber; | |
35 | switch (statemap[inumber]) { | |
36 | ||
37 | case FSTATE: | |
993a756c | 38 | case DFOUND: |
577b7874 KM |
39 | n = lncntp[inumber]; |
40 | if (n) | |
41 | adjust(&idesc, (short)n); | |
42 | else { | |
82dc9a9e KM |
43 | for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) |
44 | if (zlnp->zlncnt == inumber) { | |
1a02fd3a KM |
45 | zlnp->zlncnt = zlnhead->zlncnt; |
46 | zlnp = zlnhead; | |
47 | zlnhead = zlnhead->next; | |
569ec282 | 48 | free((char *)zlnp); |
577b7874 KM |
49 | clri(&idesc, "UNREF", 1); |
50 | break; | |
51 | } | |
52 | } | |
53 | break; | |
54 | ||
55 | case DSTATE: | |
56 | clri(&idesc, "UNREF", 1); | |
57 | break; | |
58 | ||
993a756c | 59 | case DCLEAR: |
dbf20d0a KM |
60 | dp = ginode(inumber); |
61 | if (dp->di_size == 0) { | |
62 | clri(&idesc, "ZERO LENGTH", 1); | |
63 | break; | |
64 | } | |
65 | /* fall through */ | |
993a756c | 66 | case FCLEAR: |
577b7874 KM |
67 | clri(&idesc, "BAD/DUP", 1); |
68 | break; | |
ea4448dc KM |
69 | |
70 | case USTATE: | |
71 | break; | |
72 | ||
73 | default: | |
74 | errexit("BAD STATE %d FOR INODE I=%d", | |
75 | statemap[inumber], inumber); | |
577b7874 KM |
76 | } |
77 | } | |
577b7874 KM |
78 | } |
79 | ||
80 | pass4check(idesc) | |
81 | register struct inodesc *idesc; | |
82 | { | |
62e6c152 | 83 | register struct dups *dlp; |
577b7874 KM |
84 | int nfrags, res = KEEPON; |
85 | daddr_t blkno = idesc->id_blkno; | |
86 | ||
87 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { | |
569ec282 | 88 | if (chkrange(blkno, 1)) { |
577b7874 | 89 | res = SKIP; |
569ec282 | 90 | } else if (testbmap(blkno)) { |
62e6c152 KM |
91 | for (dlp = duplist; dlp; dlp = dlp->next) { |
92 | if (dlp->dup != blkno) | |
93 | continue; | |
94 | dlp->dup = duplist->dup; | |
95 | dlp = duplist; | |
96 | duplist = duplist->next; | |
569ec282 | 97 | free((char *)dlp); |
62e6c152 KM |
98 | break; |
99 | } | |
100 | if (dlp == 0) { | |
101 | clrbmap(blkno); | |
102 | n_blks--; | |
103 | } | |
577b7874 KM |
104 | } |
105 | } | |
106 | return (res); | |
107 | } |