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#!/usr/bin/bash -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/reservation/reservation.shlib
#
# DESCRIPTION:
#
# Verify that it's possible to set a reservation on a filesystem,
# or volume multiple times, without resetting the reservation
# to none.
#
# STRATEGY:
# 1) Create a regular volume and a sparse volume
# 2) Get the space available in the pool
# 3) Set a reservation on the filesystem less than the space available.
# 4) Verify that the 'reservation' property for the filesystem has
# the correct value.
# 5) Repeat 2-4 for different reservation values
# 6) Repeat 3-5 for regular and sparse volume
#
verify_runnable "both"
log_assert "Verify it is possible to set reservations multiple times " \
"on a filesystem regular and sparse volume"
function cleanup
{
log_must zero_reservation $TESTPOOL/$TESTFS
for obj in $OBJ_LIST; do
datasetexists $obj && log_must zfs destroy -f $obj
done
}
log_onexit cleanup
#
# Set a reservation $RESV_ITER times on a dataset and verify that
# the reservation is correctly set each time.
#
function multiple_resv { #dataset
typeset -i i=0
dataset=$1
log_must zero_reservation $dataset
space_avail=`get_prop available $TESTPOOL`
((resv_size = (space_avail - RESV_DELTA) / RESV_ITER))
#
# For regular (non-sparse) volumes the upper limit is determined
# not by the space available in the pool but rather by the size
# of the volume itself.
#
[[ $obj == $TESTPOOL/$TESTVOL ]] && \
((resv_size = (vol_set_size - RESV_DELTA) / RESV_ITER))
resv_size_set=$resv_size
while (($i < $RESV_ITER)); do
((i = i + 1))
((resv_size_set = resv_size * i))
log_must zfs set reservation=$resv_size_set $dataset
resv_size_get=`get_prop reservation $dataset`
if [[ $resv_size_set != $resv_size_get ]]; then
log_fail "Reservation not the expected value " \
"($resv_size_set != $resv_size_get)"
fi
done
log_must zero_reservation $dataset
}
space_avail=`get_prop available $TESTPOOL`
if ! is_global_zone ; then
OBJ_LIST=""
else
OBJ_LIST="$TESTPOOL/$TESTVOL $TESTPOOL/$TESTVOL2"
((vol_set_size = space_avail / 4))
vol_set_size=$(floor_volsize $vol_set_size)
((sparse_vol_set_size = space_avail * 4))
sparse_vol_set_size=$(floor_volsize $sparse_vol_set_size)
log_must zfs create -V $vol_set_size $TESTPOOL/$TESTVOL
log_must zfs set reservation=none $TESTPOOL/$TESTVOL
log_must zfs create -s -V $sparse_vol_set_size $TESTPOOL/$TESTVOL2
fi
for obj in $TESTPOOL/$TESTFS $OBJ_LIST ; do
multiple_resv $obj
done
log_pass "Multiple reservations successfully set on filesystem" \
" and both volume types"
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