diff --git a/Documentation/filesystems/api-summary.rst b/Documentation/filesystems/api-summary.rst
index cc5cc7f3fbd8..bd7e3d5db581 100644
--- a/Documentation/filesystems/api-summary.rst
+++ b/Documentation/filesystems/api-summary.rst
@@ -56,6 +56,9 @@ Other Functions
 .. kernel-doc:: fs/namei.c
    :export:
 
+.. kernel-doc:: fs/open.c
+   :export:
+
 .. kernel-doc:: block/bio.c
    :export: