From e9965213907bf5dee4ae54be38f9c048aa124644 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Fri, 28 Sep 2012 14:27:20 +0200
Subject: [PATCH] Use fdatasync instead of fsync on supported platforms

---
 src/util.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/util.cpp b/src/util.cpp
index 296842acc30..e58001842ee 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1112,7 +1112,11 @@ void FileCommit(FILE *fileout)
 #ifdef WIN32
     _commit(_fileno(fileout));
 #else
+    #if defined(__linux__) || defined(__NetBSD__)
+    fdatasync(fileno(fileout));
+    #else
     fsync(fileno(fileout));
+    #endif
 #endif
 }