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Diffstat (limited to 'tools/test/stress2/misc/trim7.sh')
-rwxr-xr-x | tools/test/stress2/misc/trim7.sh | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tools/test/stress2/misc/trim7.sh b/tools/test/stress2/misc/trim7.sh new file mode 100755 index 000000000000..6095dca543b4 --- /dev/null +++ b/tools/test/stress2/misc/trim7.sh @@ -0,0 +1,62 @@ +#!/bin/sh + +# +# Copyright (c) 2016 EMC Corp. +# 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, 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. +# + +# "panic: Lock Per-Filesystem Softdep Lock not exclusively locked @ +# ../../../ufs/ffs/ffs_softdep.c:1950" seen. +# https://people.freebsd.org/~pho/stress/log/trim7.txt +# Fixed by: r297206. + +# Test scenario by: Nick Evans <nevans@talkpoint.com> + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +mount | grep -q /media || + echo "Prerequisite: /media is a TRIM enabled file system." + +r=`mount | grep -w soft-updates | awk '{print $1}' | while read dev; do + dumpfs $dev | grep -m1 flags | grep -qw trim || continue + df -k $dev +done | sort -rn +3 | head -1 | awk '{print $4, $6}'` +[ -z "$r" ] && exit # No trim enabled file systems found +set $r +free=$(($1 / 1024 / 10 * 9)) # in Mb +max=$((128 * 1024)) # Max is 128 GB +[ $free -gt $max ] && free=$max +mp=$2 +[ $mp = /media ] || exit 0 +fs=`mount | grep "on $mp " | sed 's/ .*//'` +echo "Using $fs" +image=`echo $mp/diskimage | sed s#//#/#` # fix "//" for case mp = "/" + +echo "dd if=/dev/zero of=$image bs=1m count=$free" +dd if=/dev/zero of=$image bs=1m count=$free status=none +rm $image +while mount | grep -q "on $mp "; do + umount $mp +done +mount $fs $mp |