From 30f0ae37207ea65221a3c66c1f91bc62c025c07d Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakobunt@gmail.com>
Date: Wed, 25 May 2016 00:18:51 +0200
Subject: [PATCH] fsstress-loopback: use random directory names

This allows to run more than one instance of
the script in parallel.

Also, properly clean up on exit.
---
 stress_tests/fsstress-loopback.bash | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/stress_tests/fsstress-loopback.bash b/stress_tests/fsstress-loopback.bash
index 483df9c..a60face 100755
--- a/stress_tests/fsstress-loopback.bash
+++ b/stress_tests/fsstress-loopback.bash
@@ -15,9 +15,9 @@
 set -eu
 
 # Backing directory
-DIR=/tmp/a
+DIR=$(mktemp -d /tmp/fsstress.XXX)
 # Mountpoint
-MNT=/tmp/b
+MNT="$DIR.mnt"
 # fsstress binary
 FSSTRESS=~/src/xfstests/ltp/fsstress
 
@@ -27,7 +27,7 @@ then
 	exit 1
 fi
 
-# Cleanup + Setup
+# Setup
 fusermount -u -z $MNT &> /dev/null || true
 mkdir -p $DIR $MNT
 rm -Rf $DIR/*
@@ -60,6 +60,9 @@ do
 done
 echo
 
+# Cleanup trap
+trap "cd /; fusermount -u -z $MNT; rm -rf $DIR $MNT" EXIT
+
 echo "Starting fsstress loop"
 N=1
 while true