4 # Copyright (c) 2015 EMC Corp.
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
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19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 # Parallel mount and umount of zfs file systems.
32 # https://people.freebsd.org/~pho/stress/log/avg002.txt
36 # https://people.freebsd.org/~pho/stress/log/crossmp7.txt
39 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
40 [ `uname -m` = "i386" ] && exit 0
41 [ `sysctl -n kern.kstack_pages` -lt 4 ] && exit 0
45 mounts=15 # Number of parallel scripts
48 kldstat -v | grep -q zfs.ko || { kldload zfs.ko ||
50 zpool list | egrep -q "^stress2_tank" && zpool destroy stress2_tank
56 [ -c /dev/md$u1 ] && mdconfig -d -u $u1
57 [ -c /dev/md$u2 ] && mdconfig -d -u $u2
58 [ -c /dev/md$u3 ] && mdconfig -d -u $u3
60 mdconfig -s 512m -u $u1
61 mdconfig -s 512m -u $u2
62 mdconfig -s 512m -u $u3
64 zpool create stress2_tank raidz md$u1 md$u2 md$u3
66 for i in `jot $mounts`; do
67 zfs create stress2_tank/test$i
68 zfs umount stress2_tank/test$i
71 # start the parallel tests
72 touch /tmp/crossmp7.continue
73 for i in `jot $mounts`; do
80 zpool destroy stress2_tank
81 [ -n "$loaded" ] && kldunload zfs.ko
87 if [ $1 = find ]; then
88 while [ -f /tmp/crossmp7.continue ]; do
89 find /stress2_tank -type f > /dev/null 2>&1
92 # The test: Parallel mount and unmounts
94 for i in `jot 1024`; do
95 zfs mount stress2_tank/test$m
96 zfs umount -f stress2_tank/test$m
98 rm -f /tmp/crossmp7.continue