--- fio-23a7b043700bb99292091f50d98c2029c0110d26/os/os-linux.h	2012-01-16 14:10:29.566466398 -0800
+++ fio-23a7b043700bb99292091f50d98c2029c0110d26.mod/os/os-linux.h	2012-01-16 14:13:48.497450612 -0800
@@ -21,7 +21,9 @@
 #include "../file.h"
 
 #define FIO_HAVE_LIBAIO
-#define FIO_HAVE_POSIXAIO
+/*
+  #define FIO_HAVE_POSIXAIO
+ */
 #define FIO_HAVE_FADVISE
 #define FIO_HAVE_CPU_AFFINITY
 #define FIO_HAVE_DISK_UTIL
@@ -35,7 +37,9 @@
 #define FIO_HAVE_BLKTRACE
 #define FIO_HAVE_STRSEP
 #define FIO_HAVE_FALLOCATE
-#define FIO_HAVE_POSIXAIO_FSYNC
+/*
+  #define FIO_HAVE_POSIXAIO_FSYNC
+ */
 #define FIO_HAVE_PSHARED_MUTEX
 #define FIO_HAVE_CL_SIZE
 #define FIO_HAVE_CGROUPS
@@ -46,6 +50,15 @@
 #define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_HAVE_GETTID
 
+
+#ifndef posix_madvise
+#define posix_madvise   madvise
+#define POSIX_MADV_SEQUENTIAL   MADV_SEQUENTIAL
+#define POSIX_MADV_DONTNEED     MADV_DONTNEED
+#define POSIX_MADV_RANDOM       MADV_RANDOM
+#endif
+
+
 /*
  * Can only enable this for newer glibcs, or the header and defines are
  * missing