Define OS preferred IO engine

[fio.git] / os / os.h

diff --git a/os/os.h b/os/os.h
index 92b6950d305d077261633723b181f35e273b33ae..1569e409dd964c027b676227d44820e717165d2d 100644 (file)
--- a/os/os.h
+++ b/os/os.h
@@ -102,6 +102,10 @@ typedef unsigned long os_cpu_mask_t;
 #define fio_lookup_raw(dev, majdev, mindev)    1
 #endif
 
 #define fio_lookup_raw(dev, majdev, mindev)    1
 #endif
 

+#ifndef FIO_PREFERRED_ENGINE
+#define FIO_PREFERRED_ENGINE   "sync"
+#endif
+

 #ifndef FIO_HAVE_BLKTRACE
 static inline int is_blktrace(const char *fname)
 {
 #ifndef FIO_HAVE_BLKTRACE
 static inline int is_blktrace(const char *fname)
 {