v4.19.13 snapshot.
diff --git a/include/linux/auto_fs.h b/include/linux/auto_fs.h
new file mode 100644
index 0000000..b8f814c
--- /dev/null
+++ b/include/linux/auto_fs.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright 1997 Transmeta Corporation - All Rights Reserved
+ *
+ * This file is part of the Linux kernel and is made available under
+ * the terms of the GNU General Public License, version 2, or at your
+ * option, any later version, incorporated herein by reference.
+ */
+
+#ifndef _LINUX_AUTO_FS_H
+#define _LINUX_AUTO_FS_H
+
+#include <linux/fs.h>
+#include <linux/ioctl.h>
+#include <uapi/linux/auto_fs.h>
+#endif /* _LINUX_AUTO_FS_H */