From 71f2c4dee04e6f4eea53a48852b0e8f066b0c4ae Mon Sep 17 00:00:00 2001
From: Juan Batiz-Benet <juan@benet.ai>
Date: Mon, 26 Jan 2015 22:31:58 -0800
Subject: [PATCH] p2p/peer/peerstore: mu position + comment

---
 p2p/peer/peerstore.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/p2p/peer/peerstore.go b/p2p/peer/peerstore.go
index 540987b44..8be502ca4 100644
--- a/p2p/peer/peerstore.go
+++ b/p2p/peer/peerstore.go
@@ -62,9 +62,10 @@ func (e *expiringAddr) Expired() bool {
 type addressMap map[string]expiringAddr
 
 type addressbook struct {
+	sync.RWMutex // guards all fields
+
 	addrs map[ID]addressMap
 	ttl   time.Duration // initial ttl
-	sync.RWMutex
 }
 
 func newAddressbook() *addressbook {