dm path selector: remove 'repeat_count' return from .select_path hook

If a path selector has any use for a repeat_count it should be handled
locally and not depend on the dm-mpath core to be concerned with it.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

drivers/md/dm-mpath.c

@@ -318,9 +318,8 @@ static int __choose_path_in_pg(struct multipath *m, struct priority_group *pg,
 			       size_t nr_bytes)
 {
 	struct dm_path *path;
-	unsigned repeat_count;
 
-	path = pg->ps.type->select_path(&pg->ps, &repeat_count, nr_bytes);
+	path = pg->ps.type->select_path(&pg->ps, nr_bytes);
 	if (!path)
 		return -ENXIO;