From e0b33a7a2869a3bf04036d72620e3e635984d03e Mon Sep 17 00:00:00 2001
From: Fabian Reinartz <fab.reinartz@gmail.com>
Date: Fri, 17 Mar 2017 10:16:55 +0100
Subject: [PATCH] Remove leftover signaling channels from headBlock

---
 head.go | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/head.go b/head.go
index e641455ed..43290a877 100644
--- a/head.go
+++ b/head.go
@@ -55,10 +55,6 @@ type headBlock struct {
 
 	metamtx sync.RWMutex
 	meta    BlockMeta
-
-	updatec chan struct{}
-	stopc   chan struct{}
-	donec   chan struct{}
 }
 
 func createHeadBlock(dir string, seq int, l log.Logger, mint, maxt int64) (*headBlock, error) {
@@ -141,9 +137,6 @@ func (h *headBlock) inBounds(t int64) bool {
 
 // Close syncs all data and closes underlying resources of the head block.
 func (h *headBlock) Close() error {
-	close(h.stopc)
-	<-h.donec
-
 	// Lock mutex and leave it locked so we panic if there's a bug causing
 	// the block to be used afterwards.
 	h.mtx.Lock()