From 4c3fffa0976b7af72439780678ab3f0be747df70 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Sat, 19 Mar 2016 17:39:56 +1100
Subject: [PATCH] Fix locks on Reader.SetReadahead

---
 reader.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/reader.go b/reader.go
index 4689bc64..1b3815f3 100644
--- a/reader.go
+++ b/reader.go
@@ -34,8 +34,11 @@ func (r *Reader) SetResponsive() {
 // prioritized in preparation for further reads.
 func (r *Reader) SetReadahead(readahead int64) {
 	r.mu.Lock()
-	defer r.mu.Unlock()
 	r.readahead = readahead
+	r.mu.Unlock()
+	r.t.cl.mu.Lock()
+	defer r.t.cl.mu.Unlock()
+	r.tickleClient()
 }
 
 func (r *Reader) readable(off int64) (ret bool) {
-- 
2.48.1