projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 577b7874 KM |
1 | #ifndef lint |
| 2 | static char version[] = "@(#)pass4.c 3.1 (Berkeley) %G%"; | |
| 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 pass4check(); | |
| 11 | ||
| 12 | pass4() | |
| 13 | { | |
| 14 | register ino_t inumber, *blp; | |
| 15 | int n; | |
| 16 | struct inodesc idesc; | |
| 17 | ||
| 18 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
| 19 | idesc.id_type = ADDR; | |
| 20 | idesc.id_func = pass4check; | |
| 21 | for (inumber = ROOTINO; inumber <= lastino; inumber++) { | |
| 22 | idesc.id_number = inumber; | |
| 23 | switch (statemap[inumber]) { | |
| 24 | ||
| 25 | case FSTATE: | |
| 26 | n = lncntp[inumber]; | |
| 27 | if (n) | |
| 28 | adjust(&idesc, (short)n); | |
| 29 | else { | |
| 30 | for (blp = badlncnt;blp < badlnp; blp++) | |
| 31 | if (*blp == inumber) { | |
| 32 | clri(&idesc, "UNREF", 1); | |
| 33 | break; | |
| 34 | } | |
| 35 | } | |
| 36 | break; | |
| 37 | ||
| 38 | case DSTATE: | |
| 39 | clri(&idesc, "UNREF", 1); | |
| 40 | break; | |
| 41 | ||
| 42 | case CLEAR: | |
| 43 | clri(&idesc, "BAD/DUP", 1); | |
| 44 | break; | |
| 45 | } | |
| 46 | } | |
| 47 | if (imax - ROOTINO - n_files != sblock.fs_cstotal.cs_nifree) { | |
| 48 | pwarn("FREE INODE COUNT WRONG IN SUPERBLK"); | |
| 49 | if (preen) | |
| 50 | printf(" (FIXED)\n"); | |
| 51 | if (preen || reply("FIX") == 1) { | |
| 52 | sblock.fs_cstotal.cs_nifree = imax - ROOTINO - n_files; | |
| 53 | sbdirty(); | |
| 54 | } | |
| 55 | } | |
| 56 | flush(&dfile, &fileblk); | |
| 57 | } | |
| 58 | ||
| 59 | pass4check(idesc) | |
| 60 | register struct inodesc *idesc; | |
| 61 | { | |
| 62 | register daddr_t *dlp; | |
| 63 | int nfrags, res = KEEPON; | |
| 64 | daddr_t blkno = idesc->id_blkno; | |
| 65 | ||
| 66 | for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) { | |
| 67 | if (outrange(blkno, 1)) | |
| 68 | res = SKIP; | |
| 69 | else if (getbmap(blkno)) { | |
| 70 | for (dlp = duplist; dlp < enddup; dlp++) | |
| 71 | if (*dlp == blkno) { | |
| 72 | *dlp = *--enddup; | |
| 73 | return (KEEPON); | |
| 74 | } | |
| 75 | clrbmap(blkno); | |
| 76 | n_blks--; | |
| 77 | } | |
| 78 | } | |
| 79 | return (res); | |
| 80 | } |