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#
# 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.
#
. $STF_SUITE/include/libtest.shlib
export USEDTEST=$TESTPOOL/$TESTFS/usedtest-snapused
function _check_used # dataset
{
typeset dataset=$1
if [[ "$(get_prop type $dataset)" == "snapshot" ]]; then
return
fi
used=$(get_prop used $dataset)
usedbychildren=$(get_prop usedbychildren $dataset)
usedbydataset=$(get_prop usedbydataset $dataset)
usedbyrefreservation=$(get_prop usedbyrefreservation $dataset)
usedbysnapshots=$(get_prop usedbysnapshots $dataset)
((used_sum = usedbychildren + usedbydataset + \
usedbyrefreservation + usedbysnapshots))
if ((used != used_sum)); then
log_fail "$dataset: used($used) is not the sum($used_sum) of usedby*"
fi
}
function check_used # dataset
{
typeset dataset=$1
for child in $(zfs list -rH -t filesystem,volume -o name $dataset)
do
_check_used $child
done
}
function check_usedbychildren # dataset
{
typeset dataset=$1
typeset -i usedbychildren_sum=0
typeset -i parent_usedbychildren=0
for child in $(zfs list -rH -t filesystem,volume -o name $dataset)
do
if [[ "$(get_prop type $child)" == "snapshot" ]]; then
continue
fi
# parent
if [[ "$child" == "$dataset" ]]; then
parent_usedbychildren=$(get_prop usedbychildren $child)
else #child
reservation=$(get_prop reservation $child)
used=$(get_prop used $child)
if ((reservation > used)); then
((usedbychildren_sum += reservation))
else
((usedbychildren_sum += used))
fi
fi
done
if ((parent_usedbychildren != usedbychildren_sum)); then
log_fail "$dataset: usedbychildren($parent_usedbychildren) is not the sum($usedbychildren_sum) of used by children"
fi
}
function _check_usedbydataset # dataset
{
typeset dataset=$1
if [[ "$(get_prop type $dataset)" == "snapshot" ]]; then
return
fi
usedbydataset=$(get_prop usedbydataset $dataset)
referenced=$(get_prop referenced $dataset)
is_cloned=$(get_prop is:cloned $dataset)
if [[ "$is_cloned" == "yes" ]]; then
if ((usedbydataset > referenced)); then
log_fail "$dataset(cloned): usedbydataset($usedbydataset) is more than referenced($referenced)"
fi
else
#
# if non-clones, should usedbydataset == referenced
#
if ((usedbydataset != referenced)); then
log_fail "$dataset: usedbydataset($usedbydataset) is not equal to referenced($referenced)"
fi
fi
}
function check_usedbydataset # dataset
{
typeset dataset=$1
for child in $(zfs list -rH -t filesystem,volume -o name $dataset)
do
_check_usedbydataset $child
done
}
function _check_usedbyrefreservation # dataset
{
typeset dataset=$1
if [[ "$(get_prop type $dataset)" == "snapshot" ]]; then
return
fi
usedbyrefreservation=$(get_prop usedbyrefreservation $dataset)
referenced=$(get_prop referenced $dataset)
refreservation=$(get_prop refreservation $dataset)
((diff_ref = refreservation - referenced))
if ((usedbyrefreservation > refreservation || \
usedbyrefreservation < diff_ref)); then
log_fail "$dataset: usedbyrefreservation($usedbyrefreservation) checking is not ok"
fi
}
function check_usedbyrefreservation # dataset
{
typeset dataset=$1
for child in $(zfs list -rH -t filesystem,volume -o name $dataset)
do
_check_usedbyrefreservation $child
done
}
function check_usedbysnapshots # dataset
{
typeset dataset=$1
typeset -i usedbysnapshots_sum=0
typeset -i parent_usedbysnapshots=0
for child in $(zfs list -rH -t filesystem,volume,snapshot -o name $dataset)
do
# parent
if [[ "$child" == "$dataset" ]]; then
parent_usedbysnapshots=$(get_prop usedbysnapshots $child)
continue
fi
if [[ "$(get_prop type $child)" != "snapshot" ]]; then
continue
fi
if [[ "$child" != "$dataset@"* ]]; then
continue
fi
# snapshot
used=$(get_prop used $child)
((usedbysnapshots_sum += used))
done
if ((parent_usedbysnapshots < usedbysnapshots_sum)); then
log_fail "$dataset: usedbysnapshots($parent_usedbysnapshots) is not more than or equal to" \
"the sum($usedbysnapshots_sum) of used of snapshots"
fi
}
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