Remove unused conn piece inclinations

torrent.go

@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"math/rand"
 	"net/http"
 	"net/url"
 	"sort"
@@ -139,11 +138,6 @@ type Torrent struct {
 	activePieceHashes         int
 	initialPieceCheckDisabled bool
 
-	// A pool of piece priorities []int for assignment to new connections.
-	// These "inclinations" are used to give connections preference for
-	// different pieces.
-	connPieceInclinationPool sync.Pool
-
 	// Count of each request across active connections.
 	pendingRequests pendingRequests
 	// Chunks we've written to since the corresponding piece was last checked.
@@ -1222,21 +1216,6 @@ func (t *Torrent) openNewConns() (initiated int) {
 	return
 }
 
-func (t *Torrent) getConnPieceInclination() []int {
-	_ret := t.connPieceInclinationPool.Get()
-	if _ret == nil {
-		pieceInclinationsNew.Add(1)
-		return rand.Perm(int(t.numPieces()))
-	}
-	pieceInclinationsReused.Add(1)
-	return *_ret.(*[]int)
-}
-
-func (t *Torrent) putPieceInclination(pi []int) {
-	t.connPieceInclinationPool.Put(&pi)
-	pieceInclinationsPut.Add(1)
-}
-
 func (t *Torrent) updatePieceCompletion(piece pieceIndex) bool {
 	p := t.piece(piece)
 	uncached := t.pieceCompleteUncached(piece)