Add write barriers

[fio.git] / arch / arch-x86.h

diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index a396c850345ddc8cb90042b34d7d39c723aea4c8..97262ffe0769f9a445fe3042031867987350d9a2 100644 (file)
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -30,7 +30,8 @@
 #define FIO_HAVE_SYSLET
 
 #define nop            __asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier() asm volatile ("": : :"memory")
+#define read_barrier() __asm__ __volatile__("": : :"memory")
+#define write_barrier()        __asm__ __volatile__("": : :"memory")
 
 static inline unsigned long arch_ffz(unsigned long bitmask)
 {