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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 2008 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
#
# DESCRIPTION:
# refquotas are not limited by sub-filesystem snapshots.
#
# STRATEGY:
# 1. Setting refquota < quota for parent
# 2. Create file in sub-filesystem, take snapshot and remove the file
# 3. Verify sub-filesystem snapshot will not consume refquota
#
verify_runnable "both"
function cleanup
{
log_must zfs destroy -rf $TESTPOOL/$TESTFS
log_must zfs create $TESTPOOL/$TESTFS
log_must zfs set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
}
log_assert "refquotas are not limited by sub-filesystem snapshots."
log_onexit cleanup
TESTFILE='testfile'
fs=$TESTPOOL/$TESTFS
log_must zfs set quota=25M $fs
log_must zfs set refquota=15M $fs
log_must zfs create $fs/subfs
mntpnt=$(get_prop mountpoint $fs/subfs)
typeset -i i=0
while ((i < 3)); do
log_must mkfile 7M $mntpnt/$TESTFILE.$i
log_must zfs snapshot $fs/subfs@snap.$i
log_must rm $mntpnt/$TESTFILE.$i
((i += 1))
done
#
# Verify out of the limitation of 'quota'
#
log_mustnot mkfile 7M $mntpnt/$TESTFILE
log_pass "refquotas are not limited by sub-filesystem snapshots"
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