--- IO-AIO/AIO.xs	2012/04/07 00:50:33	1.211
+++ IO-AIO/AIO.xs	2012/04/08 00:11:50	1.212
@@ -24,6 +24,7 @@
 #if __linux__
 # include <linux/fs.h>
 # ifdef FS_IOC_FIEMAP
+#  include <linux/types.h>
 #  include <linux/fiemap.h>
 #  define HAVE_FIEMAP 1
 # endif