conf->multipaths[i].rdev->in_sync ? "U" : "_");
test_bit(In_sync, &conf->multipaths[i].rdev->flags) ? "U" : "_");
static void multipath_status (struct seq_file *seq, mddev_t *mddev){	multipath_conf_t *conf = mddev_to_conf(mddev);	int i;		seq_printf (seq, " [%d/%d] [", conf->raid_disks,						 conf->working_disks);	for (i = 0; i < conf->raid_disks; i++)		seq_printf (seq, "%s",			       conf->multipaths[i].rdev && 			       conf->multipaths[i].rdev->in_sync ? "U" : "_");	seq_printf (seq, "]");}