diff --git a/include/linux/fs.h b/include/linux/fs.h
index 86ec3f4..9e1ddff 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -851,7 +851,7 @@
 extern void locks_copy_lock(struct file_lock *, struct file_lock *);
 extern void locks_remove_posix(struct file *, fl_owner_t);
 extern void locks_remove_flock(struct file *);
-extern int posix_test_lock(struct file *, struct file_lock *, struct file_lock *);
+extern int posix_test_lock(struct file *, struct file_lock *);
 extern int posix_lock_file_conf(struct file *, struct file_lock *, struct file_lock *);
 extern int posix_lock_file(struct file *, struct file_lock *);
 extern int posix_lock_file_wait(struct file *, struct file_lock *);