Merge branch 'latency-rebase-again' of https://github.com/vincentkfu/fio

[fio.git] / os / os-linux.h

diff --git a/os/os-linux.h b/os/os-linux.h
index 36339ef3e94250200c909e4fbad2fcf8dffcd7f4..0f0bcc3a745bd7bfa91b24a9aca4ce80914ffe45 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -326,6 +326,10 @@ static inline int fio_set_sched_idle(void)
 #define RWF_SYNC       0x00000004
 #endif
 
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED   0x00000040
+#endif
+
 #ifndef RWF_WRITE_LIFE_SHIFT
 #define RWF_WRITE_LIFE_SHIFT           4
 #define RWF_WRITE_LIFE_SHORT           (1 << RWF_WRITE_LIFE_SHIFT)