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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) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/zvol/zvol_common.shlib
#
# DESCRIPTION:
# When a swap zvol is added its volsize does not change.
#
# STRATEGY:
# 1. Determine what 1/4 arc_c_max is.
# 2. Create a zvols in a variety of sizes.
# 3. Add them as swap, and verify the volsize is not changed.
#
verify_runnable "global"
function cleanup
{
is_swap_inuse $swapname && log_must swap_cleanup $swapname
datasetexists $vol && log_must zfs destroy $vol
}
log_assert "For an added swap zvol, (2G <= volsize <= 16G)"
log_onexit cleanup
for vbs in 8192 16384 32768 65536 131072; do
for multiplier in 32 16384 131072; do
((volsize = vbs * multiplier))
vol="$TESTPOOL/vol_$volsize"
swapname="${ZVOL_DEVDIR}/$vol"
# Create a sparse volume to test larger sizes
log_must zfs create -s -b $vbs -V $volsize $vol
block_device_wait
log_must swap_setup $swapname
new_volsize=$(get_prop volsize $vol)
[[ $volsize -eq $new_volsize ]] || log_fail "$volsize $new_volsize"
log_must swap_cleanup $swapname
log_must_busy zfs destroy $vol
done
done
log_pass "For an added swap zvol, (2G <= volsize <= 16G)"
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