From df60a765a75dc5b9ca68650d9820fe29653bc878 Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Mon, 31 Oct 2016 19:05:08 +1100
Subject: [PATCH] Torrent.unpendPieces: Only update unpended pieces

Updating all pieces at once is no longer faster. (There was an optimization for this a while ago that no longer exists.)
---
 torrent.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/torrent.go b/torrent.go
index d53efb0a..d0f81fd7 100644
--- a/torrent.go
+++ b/torrent.go
@@ -982,7 +982,10 @@ func (t *Torrent) getCompletedPieces() (ret bitmap.Bitmap) {
 
 func (t *Torrent) unpendPieces(unpend *bitmap.Bitmap) {
 	t.pendingPieces.Sub(unpend)
-	t.updatePiecePriorities()
+	unpend.IterTyped(func(piece int) (again bool) {
+		t.updatePiecePriority(piece)
+		return true
+	})
 }
 
 func (t *Torrent) pendPieceRange(begin, end int) {
-- 
2.50.0