Index: head/tests/sys/geom/class/mirror/conf.sh
===================================================================
--- head/tests/sys/geom/class/mirror/conf.sh	(revision 326862)
+++ head/tests/sys/geom/class/mirror/conf.sh	(revision 326863)
@@ -1,15 +1,22 @@
 #!/bin/sh
 # $FreeBSD$
 
 name="$(mktemp -u mirror.XXXXXX)"
 class="mirror"
 base=`basename $0`
 
 gmirror_test_cleanup()
 {
 	[ -c /dev/$class/$name ] && gmirror destroy $name
 	geom_test_cleanup
 }
 trap gmirror_test_cleanup ABRT EXIT INT TERM
 
+syncwait()
+{
+	while $(gmirror status -s $name | grep -q SYNCHRONIZING); do
+		sleep 0.1;
+	done
+}
+
 . `dirname $0`/../geom_subr.sh