Pre-allocate request strategy pieces

diff --git a/requesting.go b/requesting.go
index 16da8393727c5706d3f28e829434b105b943bd7b..6a10e0a9e16f5a477dce5c68a7c2844930acbbef 100644 (file)
--- a/requesting.go
+++ b/requesting.go
@@ -46,6 +46,7 @@ func (cl *Client) doRequests() {
                if t.storage != nil {
                        rst.Capacity = t.storage.Capacity
                }
+               rst.Pieces = make([]request_strategy.Piece, 0, len(t.pieces))
                for i := range t.pieces {
                        p := &t.pieces[i]
                        rst.Pieces = append(rst.Pieces, request_strategy.Piece{