#endif
#ifndef __NR_async_exec
-#define __NR_async_exec 320
-#define __NR_async_wait 321
-#define __NR_umem_add 322
-#define __NR_async_thread 323
+#define __NR_async_exec 325
+#define __NR_async_wait 326
+#define __NR_umem_add 327
+#define __NR_async_thread 328
#endif
#define FIO_HUGE_PAGE 4194304
#define FIO_HAVE_SYSLET
-#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() asm volatile ("": : :"memory")
static inline unsigned long fio_ffz(unsigned long bitmask)
{