From 7b27f01e07b6792d448a9680f413d1677c40ce55 Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Tue, 19 May 2015 11:56:33 +0200
Subject: [PATCH] call fsync before rename

---
 lib/wallet.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/wallet.py b/lib/wallet.py
index 39523bbf..9a7e974a 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -119,6 +119,8 @@ class WalletStorage(object):
         s = json.dumps(self.data, indent=4, sort_keys=True)
         with open(temp_path, "w") as f:
             f.write(s)
+            f.flush()
+            os.fsync(f.fileno())
         # perform atomic write on POSIX systems
         try:
             os.rename(temp_path, self.path)