v4.19.13 snapshot.
diff --git a/include/linux/nfs3.h b/include/linux/nfs3.h
new file mode 100644
index 0000000..404b8f7
--- /dev/null
+++ b/include/linux/nfs3.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NFSv3 protocol definitions
+ */
+#ifndef _LINUX_NFS3_H
+#define _LINUX_NFS3_H
+
+#include <uapi/linux/nfs3.h>
+
+
+/* Number of 32bit words in post_op_attr */
+#define NFS3_POST_OP_ATTR_WORDS		22
+
+#endif /* _LINUX_NFS3_H */