1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2017 Dell EMC Isilon 5*8a272653SPeter Holm# All rights reserved. 6*8a272653SPeter Holm# 7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 8*8a272653SPeter Holm# modification, are permitted provided that the following conditions 9*8a272653SPeter Holm# are met: 10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 11*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 13*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 14*8a272653SPeter Holm# documentation and/or other materials provided with the distribution. 15*8a272653SPeter Holm# 16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*8a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*8a272653SPeter Holm# SUCH DAMAGE. 27*8a272653SPeter Holm# 28*8a272653SPeter Holm 29*8a272653SPeter Holm# nfs loop back mount of a tmpfs file system. 30*8a272653SPeter Holm# "[tcp] 127.0.0.1:/mnt: Permission denied" seen, when tmpfs options are 31*8a272653SPeter Holm# used. 32*8a272653SPeter Holm 33*8a272653SPeter Holm. ../default.cfg 34*8a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35*8a272653SPeter Holm 36*8a272653SPeter Holmgrep -q $mntpoint /etc/exports || 37*8a272653SPeter Holm { echo "$mntpoint missing from /etc/exports"; exit 0; } 38*8a272653SPeter Holm 39*8a272653SPeter Holms=0 40*8a272653SPeter Holmm2=${mntpoint}2 41*8a272653SPeter Holm[ -d $m2 ] || mkdir $m2 42*8a272653SPeter Holmmount | grep "on $m2 " | grep -q nfs && umount $m2 43*8a272653SPeter Holmmount | grep "on $mntpoint " | grep -q tmpfs && umount -f $mntpoint 44*8a272653SPeter Holm 45*8a272653SPeter Holm[ $# -eq 1 ] && 46*8a272653SPeter Holm mount -t tmpfs tmpfs $mntpoint || s=1 # This works 47*8a272653SPeter Holm[ $# -eq 0 ] && 48*8a272653SPeter Holm mount -o size=100m -t tmpfs tmpfs $mntpoint || s=1 49*8a272653SPeter Holmmount -t nfs -o tcp -o rw,retrycnt=1 127.0.0.1:$mntpoint $m2 || s=2 50*8a272653SPeter Holm 51*8a272653SPeter Holmwhile mount | grep "on $m2 " | grep -q nfs; do 52*8a272653SPeter Holm umount $m2 53*8a272653SPeter Holmdone 54*8a272653SPeter Holm 55*8a272653SPeter Holmwhile mount | grep "on $mntpoint " | grep -q tmpfs; do 56*8a272653SPeter Holm umount $mntpoint || sleep 1 57*8a272653SPeter Holmdone 58*8a272653SPeter Holmexit $s 59