1 files changed, 73 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/unionfs18.sh b/tools/test/stress2/misc/unionfs18.sh
new file mode 100755
index 000000000000..a7840db263e1
--- /dev/null
+++ b/tools/test/stress2/misc/unionfs18.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2024 Peter Holm <pho@FreeBSD.org>
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+
+# Simple unionfs(4) + tmpfs(4) test
+
+# "rmdir: d2: Directory not empty" seen.
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+. ../default.cfg
+
+mp1=/mnt$mdstart
+mp2=/mnt$((mdstart + 1))
+mkdir -p $mp1 $mp2
+set -e
+for i in $mp1 $mp2; do
+	mount | grep -q "on $i " && umount -f $i
+done
+
+md1=$mdstart
+md2=$((md1 + 1))
+mp1=/mnt$md1
+mp2=/mnt$md2
+mkdir -p $mp1 $mp2
+for i in $mp1 $mp2; do
+	mount | grep -q "on $i " && umount -f $i
+done
+
+if [ $# -eq 0 ]; then
+	echo "tmpfs version"
+	mount -o size=4g -t tmpfs dummy $mp1
+	mount -o size=4g -t tmpfs dummy $mp2
+else
+	echo "UFS version"
+	for i in $md1 $md2; do
+		mdconfig -l | grep -q md$i && mdconfig -d -u $i
+	done
+	mdconfig -a -t swap -s 4g -u $md1
+	mdconfig -a -t swap -s 4g -u $md2
+	newfs $newfs_flags -n md$md1 > /dev/null
+	newfs $newfs_flags -n md$md2 > /dev/null
+	mount /dev/md$md1 $mp1
+	mount /dev/md$md2 $mp2
+fi
+
+mount -t unionfs -o noatime $mp1 $mp2
+set +e
+
+N=3	# Tree depth
+here=`pwd`
+cd $mp2
+mkdir dir; cd dir
+for j in `seq 1 $N`; do
+	mkdir d$j && cd d$j
+done
+for j in `seq $N 1`; do
+	cd .. && rmdir d$j
+done
+cd ..
+rmdir dir || { s=1; find dir -ls; }
+cd $here
+
+while mount | grep -Eq "on $mp2 .*unionfs"; do
+	umount $mp2 && break
+	sleep 5
+done
+umount $mp2
+umount $mp1
+exit $s