From 1c27a8b35ed2736a0542983facbe861d44785a44 Mon Sep 17 00:00:00 2001
From: G 3 <programmingkidx@gmail.com>
Date: Wed, 1 Jul 2009 13:28:32 -0400
Subject: [PATCH] Substitute O_DSYNC with O_SYNC or O_FSYNC when needed.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 block/raw-posix.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/block/raw-posix.c b/block/raw-posix.c
index 985bf69e5..fa4f83e8f 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -81,7 +81,11 @@
 
 /* OS X does not have O_DSYNC */
 #ifndef O_DSYNC
+#ifdef O_SYNC
 #define O_DSYNC O_SYNC
+#elif defined(O_FSYNC)
+#define O_DSYNC O_FSYNC
+#endif
 #endif
 
 /* Approximate O_DIRECT with O_DSYNC if O_DIRECT isn't available */