diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 9bb81ae..29b1e40 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -106,6 +106,11 @@
 	u32			attr_bitmask[2];/* V4 bitmask representing the set
 						   of attributes supported on this
 						   filesystem */
+	u32			cache_consistency_bitmask[2];
+						/* V4 bitmask representing the subset
+						   of change attribute, size, ctime
+						   and mtime attributes supported by
+						   the server */
 	u32			acl_bitmask;	/* V4 bitmask representing the ACEs
 						   that are supported on this
 						   filesystem */