From 7833df14ba7cbc2acab87d43e226a4d874aad698 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Sat, 6 Oct 2012 17:19:09 +0200
Subject: [PATCH] freebsd, openbsd: don't use fdatasync()

The fdatasync() system call does not exist on either FreeBSD or OpenBSD, fall
back to fsync().
---
 src/unix/fs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/unix/fs.c b/src/unix/fs.c
index 8d26cd8fe..c8a2d632c 100644
--- a/src/unix/fs.c
+++ b/src/unix/fs.c
@@ -98,10 +98,12 @@
 
 
 static ssize_t uv__fs_fdatasync(uv_fs_t* req) {
-#if defined(__APPLE__) && defined(F_FULLFSYNC)
+#if defined(__linux__) || defined(__sun) || defined(__NetBSD__)
+  return fdatasync(req->file);
+#elif defined(__APPLE__) && defined(F_FULLFSYNC)
   return fcntl(req->file, F_FULLFSYNC);
 #else
-  return fdatasync(req->file);
+  return fsync(req->file);
 #endif
 }