diff options
Diffstat (limited to 'ufs-fsck')
| -rw-r--r-- | ufs-fsck/pass4.c | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/ufs-fsck/pass4.c b/ufs-fsck/pass4.c index 69691e4e..64d53e38 100644 --- a/ufs-fsck/pass4.c +++ b/ufs-fsck/pass4.c @@ -24,10 +24,6 @@ pass4() for (number = ROOTINO; number < lastino; number++) { - /* If it's correct, then there's nothing to do */ - if (linkcount[number] == linkfound[number] - && (!!(inodestate[number] == UNALLOC) == !linkfound[number])) - if (linkfound[number] && inodestate[number] != UNALLOC) { if (linkcount[number] != linkfound[number]) @@ -48,8 +44,60 @@ pass4() } } } - else if (inodestate[number + else if (linkfound[number] && inodestate[number] == UNALLOC) + { + /* This can't happen because we never count links to unallocated + nodes. */ + errexit ("LINK RECORDED FOR UNALLOCATED NODE"); + } + else if (!linkfound[number] && inodestate[number] != UNALLOC) { + /* No links to allocated node. If the size is zero, then + we want to clear it; if the size is positive, then we + want to reattach in. */ + struct dinode dino; + getinode (number, &dino); + + if (dino.st_size) + { + /* This can't happen for dirctories because pass 3 should + already have reset them up. */ + if ((DI_MODE (&dino) & IFMT) == IFDIR) + errexit ("NO LINKS TO NONZERO DIRECTORY"); + + pwarn ("UNREF FILE"); + pinode (number); + if (preen) + printf (" (RECONNECTED)"); + if (preen || reply ("RECONNECT")) + linkup (number, 0); + } + else + { + pwarn ("UNREF %s", + (DI_MODE (&dino) & IFMT) == IFDIR ? "DIR" : "FILE"); + pinode (number); + if (preen) + printf (" (CLEARED)"); + if (preen || reply ("CLEAR")) + { + inodestate[number] = UNALLOC; + clear_inode (number, &dino); + } + } + } + } +} + + + + + + + + + + |