fix freeze on close

server/torr/storage/torrstor/cache.go

@@ -91,7 +91,9 @@ func (c *Cache) Close() error {
 	log.TLogln("Close cache for:", c.hash)
 	delete(c.storage.caches, c.hash)
 	for _, v := range c.pieces {
-		v.Release()
+		if v.dPiece != nil {
+			os.Remove(v.dPiece.name)
+		}
 	}
 	c.pieces = nil
 

server/torr/storage/torrstor/diskpiece.go

@@ -83,7 +83,5 @@ func (p *DiskPiece) Release() {
 	p.piece.Size = 0
 	p.piece.Complete = false
 
-	os.Remove(p.name)
-
 	p.piece.cache.torrent.Piece(p.piece.Id).SetPriority(torrent.PiecePriorityNone)
 }