--- Linux-AIO/AIO.xs	2005/07/09 22:45:06	1.29
+++ Linux-AIO/AIO.xs	2005/07/09 23:38:07	1.30
@@ -286,6 +286,10 @@
   _syscall1(long, close, unsigned int, fd)
   _syscall1(long, unlink, char *, filename);
   _syscall1(long, fsync, unsigned int, fd);
+
+#ifndef __NR_fdatasync
+# define __NR_fdatasync __NR_fsync
+#endif
   _syscall1(long, fdatasync, unsigned int, fd);
 
 #if BYTE_ORDER == LITTLE_ENDIAN