Index: nfs-utils-2.1.1/utils/blkmapd/device-discovery.c
===================================================================
--- nfs-utils-2.1.1.orig/utils/blkmapd/device-discovery.c
+++ nfs-utils-2.1.1/utils/blkmapd/device-discovery.c
@@ -27,6 +27,7 @@
  */
 
 #include <sys/types.h>
+#include <sys/sysmacros.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/mount.h>