diff --git a/tests/funcs/fs.sh b/tests/funcs/fs.sh
index f79c341e..11691cb9 100644
--- a/tests/funcs/fs.sh
+++ b/tests/funcs/fs.sh
@@ -157,6 +157,24 @@ t_umount_all()
 	done
 }
 
+t_remount_all()
+{
+	t_quiet t_umount_all || t_fail "umounting all failed"
+	t_quiet t_mount_all || t_fail "mounting all failed"
+}
+
+t_reinsert_remount_all()
+{
+	t_quiet t_umount_all || t_fail "umounting all failed"
+
+	t_quiet rmmod scoutfs || \
+		t_fail "rmmod scoutfs failed"
+	t_quiet insmod "$T_KMOD_REPO/src/scoutfs.ko" ||
+		t_fail "insmod scoutfs failed"
+
+	t_quiet t_mount_all || t_fail "mounting all failed"
+}
+
 t_trigger_path() {
 	local nr="$1"