fix deadlock---iput(dp) asap

working unlink, but doesn't free dir blocks that become empty
remove out-of-date comment in ioapic

1 files changed, 1 insertions, 0 deletions

diff --git a/defs.h b/defs.h
index 5e3c1e4..91e0602 100644
--- a/defs.h
+++ b/defs.h
@@ -118,4 +118,5 @@ struct inode * namei(char *path);
 int readi(struct inode *ip, char *xdst, uint off, uint n);
 int writei(struct inode *ip, char *addr, uint off, uint n);
 struct inode *mknod(struct inode *, char *, short, short, short);
+int unlink(char *cp);
 void iupdate (struct inode *ip);