From a56489bc7f6b2f0ff8925b69089d7b3fea1ef235 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Wed, 2 Aug 2017 00:09:00 +0900
Subject: [PATCH] Remove non-exclusive access to ChunkList field

---
 src/chunklist.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/chunklist.go b/src/chunklist.go
index 63c60786..4a4458a6 100644
--- a/src/chunklist.go
+++ b/src/chunklist.go
@@ -75,6 +75,7 @@ func (cl *ChunkList) Snapshot() ([]*Chunk, int) {
 	cl.mutex.Lock()
 
 	ret := make([]*Chunk, len(cl.chunks))
+	count := cl.count
 	copy(ret, cl.chunks)
 
 	// Duplicate the last chunk
@@ -84,5 +85,5 @@ func (cl *ChunkList) Snapshot() ([]*Chunk, int) {
 	}
 
 	cl.mutex.Unlock()
-	return ret, cl.count
+	return ret, count
 }