1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) International Business Machines Corp., 2005 4# Copyright (c) 2021 Joerg Vehlow <joerg.vehlow@aox-tech.de> 5# Author: Avantika Mathur (mathurav@us.ibm.com) 6 7FS_BIND_TESTFUNC=test 8 9. fs_bind_lib.sh 10 11test() 12{ 13 tst_res TINFO "bind: shared subtree with shared child to shared subtree" 14 15 fs_bind_makedir rshared parent1 16 fs_bind_makedir rshared parent2 17 fs_bind_makedir rshared share1 18 19 EXPECT_PASS mount --bind "$FS_BIND_DISK1" share1 20 EXPECT_PASS mount --bind share1 parent1 21 22 EXPECT_PASS mount --bind parent1 parent2 23 fs_bind_makedir rshared parent1/child1 24 fs_bind_check parent1 share1 parent2 25 26 EXPECT_PASS mount --bind "$FS_BIND_DISK2" parent1/child1 27 fs_bind_check parent1/child1 parent2/child1 28 fs_bind_check parent1/child1 share1/child1 29 30 EXPECT_PASS mount --bind "$FS_BIND_DISK3" parent2/a 31 fs_bind_check parent1/a parent2/a share1/a 32 33 EXPECT_PASS mount --bind "$FS_BIND_DISK4" share1/b 34 fs_bind_check parent1/b parent2/b share1/b 35 36 EXPECT_PASS umount share1/b 37 EXPECT_PASS umount parent2/a 38 EXPECT_PASS umount parent1/child1 39 EXPECT_PASS umount parent1/child1 40 EXPECT_PASS umount parent2 41 EXPECT_PASS umount parent1 42 EXPECT_PASS umount share1 43 EXPECT_PASS umount parent2 44 EXPECT_PASS umount parent1 45 EXPECT_PASS umount share1 46} 47 48tst_run 49