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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 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/refreserv/refreserv.cfg
#
# DESCRIPTION:
# Verify refreservation is limited by available space.
#
# STRATEGY:
# 1. Setting quota and refreservation on parent filesystem.
# 2. Get available space on sub-filesystem.
# 3. Verify refreservation is limited by available on it.
#
verify_runnable "both"
function cleanup
{
if is_global_zone ; then
log_must zfs set refreservation=none $TESTPOOL
fi
log_must zfs destroy -rf $TESTPOOL/$TESTFS
log_must zfs create $TESTPOOL/$TESTFS
log_must zfs set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
}
log_assert "Verify refreservation is limited by available space."
log_onexit cleanup
pool=$TESTPOOL ; fs=$pool/$TESTFS ; subfs=$fs/subfs
log_must zfs create $subfs
typeset datasets
if is_global_zone; then
datasets="$pool $fs"
else
datasets="$fs"
fi
for ds in $datasets; do
log_must zfs set quota=25M $ds
log_must zfs set refreservation=15M $ds
typeset -i avail
avail=$(get_prop avail $subfs)
log_must zfs set refreservation=$avail $subfs
typeset mntpnt
mntpnt=$(get_prop mountpoint $subfs)
log_must mkfile $avail $mntpnt/$TESTFILE
typeset -i exceed
((exceed = avail + 1))
log_mustnot zfs set refreservation=$exceed $subfs
log_mustnot mkfile $avail $mntpnt/$TESTFILE
log_must zfs set quota=none $ds
log_must zfs set reservation=15M $ds
done
log_pass "Verify refreservation is limited by available space."
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