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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 (c) 2017 by Lawrence Livermore National Security, LLC.
# Use is subject to license terms.
#
. $STF_SUITE/include/libtest.shlib
#
# DESCRIPTION:
# Run many xattrtests on a dataset with large dnodes and xattr=sa to
# stress concurrent allocation of large dnodes.
#
TEST_FS=$TESTPOOL/large_dnode
verify_runnable "both"
function cleanup
{
datasetexists $TEST_FS && destroy_dataset $TEST_FS
}
function verify_dnode_packing
{
zdb -dd $TEST_FS | grep -A 3 'Dnode slots' | awk '
/Total used:/ {total_used=$NF}
/Max used:/ {max_used=$NF}
/Percent empty:/ {print total_used, max_used, int($NF)}
' | while read total_used max_used pct_empty
do
log_note "total_used $total_used max_used $max_used pct_empty $pct_empty"
if [ $pct_empty -gt 5 ]; then
log_fail "Holes in dnode array: pct empty $pct_empty > 5"
fi
done
}
log_onexit cleanup
log_assert "xattrtest runs concurrently on dataset with large dnodes"
log_must zfs create $TEST_FS
log_must zfs set dnsize=auto $TEST_FS
log_must zfs set xattr=sa $TEST_FS
for ((i=0; i < 100; i++)); do
dir="/$TEST_FS/dir.$i"
log_must mkdir "$dir"
log_must eval "xattrtest -R -r -y -x 1 -f 1024 -k -p $dir >/dev/null 2>&1 &"
done
log_must wait
sync_pool $TESTPOOL
verify_dnode_packing
log_pass
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