diff --git a/fs/internal.h b/fs/internal.h
index 757ba2a..53279bd 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -106,6 +106,7 @@
 extern long do_handle_open(int mountdirfd,
 			   struct file_handle __user *ufh, int open_flag);
 extern int open_check_o_direct(struct file *f);
+extern int vfs_open(const struct path *, struct file *, const struct cred *);
 
 /*
  * inode.c