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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 2017, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/zvol/zvol_common.shlib
. $STF_SUITE/tests/functional/zvol/zvol_misc/zvol_misc_common.kshlib
#
# DESCRIPTION:
# Verify ZIL functionality on ZVOLs
#
# STRATEGY:
# 1. Create a ZVOLs with various combination of "logbias" and "sync" values
# 2. Write data to ZVOL device node
# 3. Verify we don't trigger any issue like the one reported in #6238
#
verify_runnable "global"
function cleanup
{
datasetexists $ZVOL && log_must_busy zfs destroy $ZVOL
udev_wait
}
log_assert "Verify ZIL functionality on ZVOLs"
log_onexit cleanup
ZVOL="$TESTPOOL/vol"
ZDEV="$ZVOL_DEVDIR/$ZVOL"
typeset -a logbias_prop_vals=('latency' 'throughput')
typeset -a sync_prop_vals=('standard' 'always' 'disabled')
for logbias in ${logbias_prop_vals[@]}; do
for sync in ${sync_prop_vals[@]}; do
# 1. Create a ZVOL with logbias=throughput and sync=always
log_must zfs create -V $VOLSIZE -b 128K -o sync=$sync \
-o logbias=$logbias $ZVOL
# 2. Write data to its device node
for i in {1..50}; do
dd if=/dev/zero of=$ZDEV bs=8k count=1 &
done
# 3. Verify we don't trigger any issue
log_must wait
log_must_busy zfs destroy $ZVOL
done
done
log_pass "ZIL functionality works on ZVOLs"
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