gistfile1.txt

--- a/libtransmission/peer-mgr.c        2013-06-30 22:58:23.208920486 +0300
+++ b/libtransmission/peer-mgr.c        2013-06-30 23:07:26.238865338 +0300
@@ -1003,6 +1003,27 @@
   return 0;
 }
 
+static int
+comparePieceForSequential ( const void * va, const void * vb )
+{
+  const struct weighted_piece * a = va;
+  const struct weighted_piece * b = vb;
+  int ia, ib;
+  const tr_torrent * tor = weightTorrent;
+
+  /* higher priorities go first */
+  ia = tor->info.pieces[a->index].priority;
+  ib = tor->info.pieces[b->index].priority;
+  if( ia > ib ) return -1;
+  if( ia < ib ) return 1;
+
+  /* sequential */
+  if( a->index < b->index ) return -1;
+  if( a->index > b->index ) return 1;
+
+  return 0;
+}
+
 static void
 pieceListSort (tr_swarm * s, enum piece_sort_state state)
 {
@@ -1012,7 +1033,7 @@
   if (state == PIECES_SORTED_BY_WEIGHT)
     {
       setComparePieceByWeightTorrent (s);
-      qsort (s->pieces, s->pieceCount, sizeof (struct weighted_piece), comparePieceByWeight);
+      qsort (s->pieces, s->pieceCount, sizeof (struct weighted_piece), comparePieceForSequential);
     }
   else
     {