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 "cloneNS: namespace with shared point bind mounted within the same directory" 14 15 fs_bind_makedir rshared dir1 16 17 mkdir dir1/x dir2 dir3 dir4 18 19 EXPECT_PASS mount --rbind dir1 dir2 20 EXPECT_PASS mount --make-rslave dir2 21 EXPECT_PASS mount --make-rshared dir2 22 23 EXPECT_PASS mount --rbind dir2 dir3 24 EXPECT_PASS mount --make-rslave dir3 25 EXPECT_PASS mount --make-rshared dir3 26 27 EXPECT_PASS mount --rbind dir3 dir4 28 EXPECT_PASS mount --make-rslave dir4 29 30 fs_bind_create_ns 31 32 EXPECT_PASS mount --rbind "$FS_BIND_DISK1" dir1/x 33 34 fs_bind_check dir1/x dir2/x dir3/x dir4/x 35 36 EXPECT_PASS mount --rbind "$FS_BIND_DISK2" dir2/x/a 37 fs_bind_check -n dir1/x/a dir2/x/a 38 fs_bind_check dir2/x/a dir3/x/a dir4/x/a 39 40 41 fs_bind_check -s dir1/x dir2/x dir3/x dir4/x 42 43 fs_bind_check -s -n dir1/x/a dir2/x/a 44 fs_bind_check -s "$FS_BIND_DISK2" dir2/x/a dir3/x/a dir4/x/a 45 46 fs_bind_exec_ns mount --rbind "$PWD/$FS_BIND_DISK3" "$PWD/dir3/x/b" 47 fs_bind_check -s -n dir1/x/b dir3/x/b 48 fs_bind_check -s -n dir2/x/b dir3/x/b 49 fs_bind_check -s dir3/x/b dir4/x/b 50 51 fs_bind_exec_ns mount --rbind "$PWD/$FS_BIND_DISK4" "$PWD/dir4/x/c" 52 fs_bind_check -s -n dir1/x/c dir4/x/c 53 fs_bind_check -s -n dir2/x/c dir4/x/c 54 fs_bind_check -s -n dir3/x/c dir4/x/c 55 56 57 fs_bind_check -n dir1/x/b dir3/x/b 58 fs_bind_check -n dir2/x/b dir3/x/b 59 fs_bind_check dir3/x/b dir4/x/b 60 fs_bind_check "$FS_BIND_DISK3" dir3/x/b 61 62 fs_bind_check -n "$FS_BIND_DISK4" dir4/x/c 63 fs_bind_check dir1/x/c dir2/x/c dir3/x/c dir4/x/c 64 65 66 EXPECT_PASS umount dir3/x/b 67 EXPECT_PASS umount dir3/x/a 68 EXPECT_PASS umount dir2/x/a 69 EXPECT_PASS umount dir2/x 70 EXPECT_PASS umount dir1/x 71 EXPECT_PASS umount dir4 72 EXPECT_PASS umount dir3 73 EXPECT_PASS umount dir2 74 EXPECT_PASS umount dir1 75} 76 77tst_run 78