xref: /freebsd/tools/test/stress2/misc/sparse.sh (revision 608c97bff921c8936eb71f4b1a177625cfa60250)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm#
38a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon
48a272653SPeter Holm# All rights reserved.
58a272653SPeter Holm#
68a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
78a272653SPeter Holm# modification, are permitted provided that the following conditions
88a272653SPeter Holm# are met:
98a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
108a272653SPeter Holm#    notice unmodified, this list of conditions and the following
118a272653SPeter Holm#    disclaimer.
128a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
138a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
148a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
158a272653SPeter Holm#
168a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
178a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
188a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
198a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
208a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
218a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
228a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
238a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
248a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
258a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
268a272653SPeter Holm# SUCH DAMAGE.
278a272653SPeter Holm#
288a272653SPeter Holm
298a272653SPeter Holm# Test sparse file read
308a272653SPeter Holm# No problems seen.
318a272653SPeter Holm
328a272653SPeter Holm. ../default.cfg
338a272653SPeter Holm
348a272653SPeter Holmset -e
358a272653SPeter Holmmount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
368a272653SPeter Holm[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
378a272653SPeter Holmmdconfig -a -t swap -s 5g -u $mdstart
38*608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
39*608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
408a272653SPeter Holmset +e
418a272653SPeter Holm
428a272653SPeter Holmin=$mntpoint/in
438a272653SPeter Holmout=$mntpoint/out
448a272653SPeter Holm
458a272653SPeter Holmsize=`jot -r 1 1 2048`
468a272653SPeter Holmsize=$((size * 1024 * 1024))
478a272653SPeter Holmtruncate -s $size $in
488a272653SPeter Holm
498a272653SPeter Holmfor i in `jot $(jot -r 1 10 100)`; do
508a272653SPeter Holm	bs=`jot -r 1 1 4096`
518a272653SPeter Holm	pos=`jot -r 1 0 $((size - bs))`
528a272653SPeter Holm	pos=$((pos / bs)) # in blocks
538a272653SPeter Holm	[ $((pos + bs)) -gt $size ] && { echo "seek error"; exit 1; }
548a272653SPeter Holm	dd if=/dev/random of=$in seek=$pos bs=$bs count=1 conv=notrunc \
558a272653SPeter Holm	    status=none
568a272653SPeter Holmdone
578a272653SPeter Holm[ `stat -f%z $in` -ne $size ] && { ls -l $in; exit 1; }
588a272653SPeter Holm
598a272653SPeter Holmcp $in $out
608a272653SPeter Holmmd1=`md5 < $in`
618a272653SPeter Holmmd2=`md5 < $out`
628a272653SPeter Holm[ $md1 == $md2 ] && s=0 ||
638a272653SPeter Holm	{ echo "md5 differs: $in: $md1, $out: $md2"; s=1
648a272653SPeter Holm	ls -l $in $out; }
658a272653SPeter Holmrm -f $in $out
668a272653SPeter Holmfor i in `jot 6`; do
678a272653SPeter Holm	mount | grep -q "on $mntpoint " || break
688a272653SPeter Holm	umount $mntpoint && break || sleep 10
698a272653SPeter Holm	[ $i -eq 6 ] &&
708a272653SPeter Holm	    { echo FATAL; fstat -mf $mntpoint; exit 1; }
718a272653SPeter Holmdone
728a272653SPeter Holmmdconfig -d -u $mdstart
738a272653SPeter Holmexit $s
74