diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index e3f0cbc..7c36fcf 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -462,6 +462,13 @@
 #define NFSPROC4_NULL 0
 #define NFSPROC4_COMPOUND 1
 #define NFS4_MINOR_VERSION 0
+
+#if defined(CONFIG_NFS_V4_1)
+#define NFS4_MAX_MINOR_VERSION 1
+#else
+#define NFS4_MAX_MINOR_VERSION 0
+#endif /* CONFIG_NFS_V4_1 */
+
 #define NFS4_DEBUG 1
 
 /* Index of predefined Linux client operations */