GUASI IO engine

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/fio.h b/fio.h
index a2be6d5..2b4b3c6 100644
--- a/fio.h
+++ b/fio.h
@@ -24,6 +24,10 @@
 #include "syslet.h"
 #endif
 
+#ifdef FIO_HAVE_GUASI
+#include <guasi.h>
+#endif
+
 enum fio_ddir {
 	DDIR_READ = 0,
 	DDIR_WRITE,
@@ -111,6 +115,9 @@
 #ifdef FIO_HAVE_SYSLET
 		struct syslet_req req;
 #endif
+#ifdef FIO_HAVE_GUASI
+		guasi_req_t greq;
+#endif
 	};
 	struct timeval start_time;
 	struct timeval issue_time;