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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or https://opensource.org/licenses/CDDL-1.0.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/cli_root/zfs_unmount/zfs_unmount.kshlib
#
# DESCRIPTION:
# If invoke "zfs unmount" with a specific filesystem|mountpoint
# that have been mounted, but it's currently in use,
# it will fail with a return code of 1
# and issue an error message.
# But unmount forcefully will bypass this restriction and
# unmount that given filesystem successfully.
#
# STRATEGY:
# 1. Make sure that the ZFS filesystem is mounted.
# 2. Change directory to that given mountpoint.
# 3. Unmount the file system using the various combinations.
# - Without force option. (FAILED)
# - With force option. (PASS)
# 4. Unmount the mountpoint using the various combinations.
# - Without force option. (FAILED)
# - With force option. (PASS)
# 5. Verify the above expected results of the filesystem|mountpoint.
#
verify_runnable "both"
set -A cmd "umount" "unmount"
set -A options "" "-f"
set -A dev "$TESTPOOL/$TESTFS" "$TESTDIR"
function do_unmount_multiple #options #expect
{
typeset opt=$1
typeset -i expect=${2-0}
typeset -i i=0
typeset -i j=0
while (( i < ${#cmd[*]} )); do
j=0
while (( j < ${#dev[*]} )); do
mounted ${dev[j]} || \
log_must zfs $mountcmd ${dev[0]}
cd $TESTDIR || \
log_unresolved "Unable change dir to $TESTDIR"
do_unmount "${cmd[i]}" "$opt" \
"${dev[j]}" $expect
cleanup
((j = j + 1))
done
((i = i + 1))
done
}
log_assert "Verify that 'zfs $unmountcmd <filesystem|mountpoint>' " \
"with a filesystem which mountpoint is currently in use " \
"will fail with return code 1, and forcefully will succeeds as root."
log_onexit cleanup
cwd=$PWD
typeset -i i=0
while (( i < ${#options[*]} )); do
if [[ ${options[i]} == "-f" ]]; then
if is_linux; then
do_unmount_multiple "${options[i]}" 1
else
do_unmount_multiple "${options[i]}"
fi
else
do_unmount_multiple "${options[i]}" 1
fi
((i = i + 1))
done
log_pass "'zfs $unmountcmd <filesystem|mountpoint>' " \
"with a filesystem which mountpoint is currently in use " \
"will fail with return code 1, and forcefully will succeeds as root."
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