From ed672fe83edf17913554662a7cc18d660d68dd4a Mon Sep 17 00:00:00 2001
From: Preetam Jinka <pj@preet.am>
Date: Sun, 30 Apr 2017 00:39:36 -0400
Subject: [PATCH] lock metaLock in Close

---
 lm2.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lm2.go b/lm2.go
index a744a84..4db439e 100644
--- a/lm2.go
+++ b/lm2.go
@@ -825,6 +825,8 @@ func (c *Collection) sync() error {
 
 // Close closes a collection and all of its resources.
 func (c *Collection) Close() {
+	c.metaLock.Lock()
+	defer c.metaLock.Unlock()
 	c.f.Close()
 	c.wal.Close()
 	c.cache.close()