#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) International Business Machines  Corp., 2005
# Copyright (c) 2021 Joerg Vehlow <joerg.vehlow@aox-tech.de>
# Author: Avantika Mathur (mathurav@us.ibm.com)

FS_BIND_TESTFUNC=test


test()
{
	tst_res TINFO "rbind: shared child to unclonable parent"

	fs_bind_makedir rshared parent1
	fs_bind_makedir runbindable parent2
	fs_bind_makedir rshared share1
	fs_bind_makedir rshared parent1/child1

	EXPECT_PASS mount --rbind "$FS_BIND_DISK1" parent1/child1

	mkdir parent2/child2

	EXPECT_PASS mount --rbind parent1/child1 share1
	EXPECT_PASS mount --rbind parent1/child1 parent2/child2

	fs_bind_check parent1/child1 share1 parent2/child2

	EXPECT_PASS mount --rbind "$FS_BIND_DISK2" parent1/child1/a

	fs_bind_check parent1/child1/a parent2/child2/a share1/a

	EXPECT_PASS mount --rbind "$FS_BIND_DISK3" parent2/child2/b

	fs_bind_check parent1/child1/b parent2/child2/b share1/b

	EXPECT_PASS mount --rbind "$FS_BIND_DISK4" share1/c


	EXPECT_PASS umount parent1/child1/a
	EXPECT_PASS umount parent1/child1/b
	EXPECT_PASS umount parent1/child1/c
	EXPECT_PASS umount parent2/child2
	EXPECT_PASS umount parent1/child1
	EXPECT_PASS umount parent1/child1
	EXPECT_PASS umount share1
	EXPECT_PASS umount share1
	EXPECT_PASS umount parent2
	EXPECT_PASS umount parent1
}

. fs_bind_lib.sh
tst_run