Date: Sun, 13 May 2018 11:31:32 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r333578 - user/pho/stress2/misc Message-ID: <201805131131.w4DBVWf7031450@repo.freebsd.org>
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Author: pho Date: Sun May 13 11:31:32 2018 New Revision: 333578 URL: https://svnweb.freebsd.org/changeset/base/333578 Log: Added a simple sparse read test for r333576: "Detect and optimize reads from the hole on UFS". Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/sparse.sh (contents, props changed) Added: user/pho/stress2/misc/sparse.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/sparse.sh Sun May 13 11:31:32 2018 (r333578) @@ -0,0 +1,76 @@ +#!/bin/sh +# +# Copyright (c) 2018 Dell EMC Isilon +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice unmodified, this list of conditions and the following +# disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# + +# Test sparse file read +# No problems seen. + +. ../default.cfg + +set -e +mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 5g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +set +e + +in=$mntpoint/in +out=$mntpoint/out + +size=`jot -r 1 1 2048` +size=$((size * 1024 * 1024)) +truncate -s $size $in + +for i in `jot $(jot -r 1 10 100)`; do + bs=`jot -r 1 1 4096` + pos=`jot -r 1 0 $((size - bs))` + pos=$((pos / bs)) # in blocks + [ $((pos + bs)) -gt $size ] && { echo "seek error"; exit 1; } + dd if=/dev/random of=$in seek=$pos bs=$bs count=1 conv=notrunc \ + status=none +done +[ `stat -f%z $in` -ne $size ] && { ls -l $in; exit 1; } + +cp $in $out +md1=`md5 < $in` +md2=`md5 < $out` +[ $md1 == $md2 ] && s=0 || + { echo "md5 differs: $in: $md1, $out: $md2"; s=1 + ls -l $in $out; } +rm -f $in $out +for i in `jot 6`; do + mount | grep -q "on $mntpoint " || break + umount $mntpoint && break || sleep 10 + [ $i -eq 6 ] && + { echo FATAL; fstat -mf $mntpoint; exit 1; } +done +mdconfig -d -u $mdstart +exit $s
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