add inode locking for open/release
diff --git a/lib/fuse.c b/lib/fuse.c
index 2b79479..d4e95f2 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -1010,6 +1010,7 @@
         
         free(path);
     }
+    send_reply(f, in, 0, NULL, 0);
 }
 
 static void do_read(struct fuse *f, struct fuse_in_header *in,