sync: add support for write life time hint

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

diff --git a/os/os-linux.h b/os/os-linux.h
index 008ce2d0af1c15e78d0bcf19574f5d0ba0a0df02..09e741353826545933aa277d5eb0acdba91ff210 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -319,6 +319,14 @@ static inline int fio_set_sched_idle(void)
 #define RWF_SYNC       0x00000004
 #endif
 
+#ifndef RWF_WRITE_LIFE_SHIFT
+#define RWF_WRITE_LIFE_SHIFT           4
+#define RWF_WRITE_LIFE_SHORT           (1 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_MEDIUM          (2 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_LONG            (3 << RWF_WRITE_LIFE_SHIFT)
+#define RWF_WRITE_LIFE_EXTREME         (4 << RWF_WRITE_LIFE_SHIFT)
+#endif
+
 #ifndef CONFIG_PWRITEV2
 #ifdef __NR_preadv2
 static inline void make_pos_h_l(unsigned long *pos_h, unsigned long *pos_l,