18a272653SPeter Holm#!/bin/sh 28a272653SPeter Holm 38a272653SPeter Holm# 48a272653SPeter Holm# Copyright (c) 2016 EMC Corp. 58a272653SPeter Holm# All rights reserved. 68a272653SPeter Holm# 78a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 88a272653SPeter Holm# modification, are permitted provided that the following conditions 98a272653SPeter Holm# are met: 108a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 118a272653SPeter Holm# notice, this list of conditions and the following 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# Variation of nullfs.sh 308a272653SPeter Holm 318a272653SPeter Holm# "panic: LK_RETRY set with incompatible flags (0x202400) or 32*5666643aSGordon Bergling# an error occurred (11)" seen. 338a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/matt001.txt 348a272653SPeter Holm 358a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 368a272653SPeter Holm 378a272653SPeter Holm. ../default.cfg 388a272653SPeter Holm 398a272653SPeter Holmmounts=15 # Number of parallel scripts 408a272653SPeter Holm: ${nullfs_srcdir:=/tmp} 418a272653SPeter Holm: ${nullfs_dstdir:=$mntpoint} 428a272653SPeter HolmCONT=/tmp/nullfs17.continue 438a272653SPeter Holm 448a272653SPeter Holmif [ $# -eq 0 ]; then 458a272653SPeter Holm for i in `jot $mounts`; do 468a272653SPeter Holm [ ! -d ${nullfs_dstdir}$i ] && mkdir ${nullfs_dstdir}$i 478a272653SPeter Holm mount | grep -q " ${nullfs_dstdir}$i " && 488a272653SPeter Holm umount ${nullfs_dstdir}$i 498a272653SPeter Holm done 508a272653SPeter Holm 518a272653SPeter Holm # start the parallel tests 528a272653SPeter Holm for i in `jot $mounts`; do 538a272653SPeter Holm ./$0 $i & 548a272653SPeter Holm ./$0 find $i & 558a272653SPeter Holm done 568a272653SPeter Holm wait 578a272653SPeter Holm 588a272653SPeter Holm for i in `jot $mounts`; do 598a272653SPeter Holm umount ${nullfs_dstdir}$i > /dev/null 2>&1 608a272653SPeter Holm done 618a272653SPeter Holm exit 0 628a272653SPeter Holmelse 638a272653SPeter Holm if [ $1 = find ]; then 648a272653SPeter Holm while [ -f $CONT ]; do 658a272653SPeter Holm find ${nullfs_dstdir}$2 -type f -maxdepth 2 -ls > \ 668a272653SPeter Holm /dev/null 2>&1 678a272653SPeter Holm done 688a272653SPeter Holm else 698a272653SPeter Holm # The test: Parallel mount and unmounts 708a272653SPeter Holm touch $CONT 718a272653SPeter Holm start=`date '+%s'` 728a272653SPeter Holm while [ `date '+%s'` -lt $((start + 300)) ]; do 738a272653SPeter Holm m=$1 748a272653SPeter Holm mount_nullfs $nullfs_srcdir ${nullfs_dstdir}$m > \ 758a272653SPeter Holm /dev/null 2>&1 768a272653SPeter Holm opt=`[ $(( m % 2 )) -eq 0 ] && echo -f` 778a272653SPeter Holm while mount | grep -q ${nullfs_dstdir}$m; do 788a272653SPeter Holm umount $opt ${nullfs_dstdir}$m > \ 798a272653SPeter Holm /dev/null 2>&1 808a272653SPeter Holm done 818a272653SPeter Holm done 828a272653SPeter Holm rm -f $CONT 838a272653SPeter Holm fi 848a272653SPeter Holmfi 85