@@ -0,0 +1,62 @@
+#!/bin/bash
+#
+# If the entire block device is formatted with a filesystem and
+# mounted, running "blockdev --rereadpt" should fail and return
+# EBUSY.  On buggy kernel, it passes unexpectedly.
+#
+# Regression test for commit 77032ca66f86 ("Return EBUSY from
+# BLKRRPART for mounted whole-dev fs").
+#
+# Copyright (c) 2017 FUJITSU LIMITED. All rights reserved.
+# Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+DESCRIPTION="test return EBUSY from BLKRRPART for mounted whole-dev"
+QUICK=1
+
+requires() {
+	_have_program mkfs.ext3
+}
+
+test_device() {
+	echo "Running ${TEST_NAME}"
+
+	rm -f "$FULL"
+	mkdir "$TMPDIR/mntpoint"
+
+	# Format
+	mkfs.ext3 -F "$TEST_DEV" >> "$FULL" 2>&1
+
+	# Mount
+	mount "$TEST_DEV" "$TMPDIR/mntpoint"
+
+	# Check mounted whole-dev
+	local out=$(blockdev --rereadpt "$TEST_DEV" 2>&1)
+	echo $out | grep -q "Device or resource busy"
+	if [ $? -eq 0 ]; then
+		echo "Return EBUSY for mounted whole-dev"
+	else
+		echo "Don't return EBUSY for mounted whole-dev"
+	fi
+
+	echo $out >> "$FULL"
+
+	# Umount
+	umount "$TMPDIR/mntpoint"
+
+	rm -rf "$TMPDIR/mntpoint"
+
+	echo "Test complete"
+}

@@ -0,0 +1,3 @@
+Running block/013
+Return EBUSY for mounted whole-dev
+Test complete