From 191c5ef9cb795f4705e1856899c1e44ada6f22cb Mon Sep 17 00:00:00 2001
From: Xiang Li <xiangli.cs@gmail.com>
Date: Tue, 22 Dec 2015 22:43:05 -0800
Subject: [PATCH] snap: call fsync before close db file

---
 snap/db.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/snap/db.go b/snap/db.go
index 4c0f9471c..0d825714a 100644
--- a/snap/db.go
+++ b/snap/db.go
@@ -32,6 +32,9 @@ func (s *Snapshotter) SaveDBFrom(r io.Reader, id uint64) error {
 		return err
 	}
 	_, err = io.Copy(f, r)
+	if err == nil {
+		err = f.Sync()
+	}
 	f.Close()
 	if err != nil {
 		os.Remove(f.Name())