From 0a91eef4965bda915912857f30c5f3028afb4321 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Mon, 1 Dec 2014 17:02:31 -0600
Subject: [PATCH] For now always read ahead 4 extra blocks

---
 client.go | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/client.go b/client.go
index d6e03cfd..a3ebdad7 100644
--- a/client.go
+++ b/client.go
@@ -107,11 +107,13 @@ func (me *Client) PrioritizeDataRegion(ih InfoHash, off, len_ int64) error {
 	if !t.haveInfo() {
 		return errors.New("missing metadata")
 	}
-	i := int(off / int64(t.UsualPieceSize()))
-	me.queueFirstHash(t, i)
-	i++
-	if i < t.NumPieces() {
-		me.queueFirstHash(t, i)
+	firstIndex := int(off / int64(t.UsualPieceSize()))
+	for i := 0; i < 5; i++ {
+		index := firstIndex + i
+		if index >= t.NumPieces() {
+			continue
+		}
+		me.queueFirstHash(t, index)
 	}
 	me.downloadStrategy.TorrentPrioritize(t, off, len_)
 	for _, cn := range t.Conns {
-- 
2.48.1