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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 http://www.opensolaris.org/os/licensing.
# 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) 2019 by Tomohiro Kusumi. All rights reserved.
#
. $STF_SUITE/tests/functional/atime/atime_common.kshlib
#
# DESCRIPTION:
# When relatime=on, verify the access time for files is updated when first
# read but not on second.
# It is available to fs and clone. To snapshot, it is unavailable.
#
# STRATEGY:
# 1. Create pool and fs.
# 2. Create '$TESTFILE' for fs.
# 3. Create snapshot and clone.
# 4. Setting atime=on and relatime=on on datasets.
# 5. Expect the access time is updated for first read but not on second.
#
verify_runnable "both"
log_assert "Setting relatime=on, the access time for files is updated when \
when read the first time, but not second time."
log_onexit cleanup
#
# Create $TESTFILE, snapshot and clone.
# Same as 003 except that atime/relatime applies to root dataset (ZoL#8675).
#
setup_snap_clone
reset_atime
for dst in $TESTPOOL/$TESTFS $TESTPOOL/$TESTCLONE $TESTPOOL/$TESTFS@$TESTSNAP
do
typeset mtpt=$(get_prop mountpoint $dst)
if [[ $dst == $TESTPOOL/$TESTFS@$TESTSNAP ]]; then
mtpt=$(snapshot_mountpoint $dst)
log_mustnot check_atime_updated $mtpt/$TESTFILE
else
log_must zfs set atime=on $(dirname $dst)
log_must zfs set relatime=on $(dirname $dst)
log_must check_atime_updated $mtpt/$TESTFILE
log_mustnot check_atime_updated $mtpt/$TESTFILE
fi
done
log_pass "Verify the property relatime=on passed."
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