Make 'loops' honor full write+verify loops

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/init.c b/init.c
index c210ad2..7aedf2b 100644
--- a/init.c
+++ b/init.c
@@ -763,6 +763,10 @@
 		fio_gtod_offload = 1;
 	}
 
+	td->loops = o->loops;
+	if (!td->loops)
+		td->loops = 1;
+
 	return ret;
 }