revert to using the pid for tmp file names - mktemp -d gives an error on

early (6.2) redhat versions at least.

068

@@ -1,6 +1,6 @@
 #! /bin/sh
 # XFS QA Test No. 068
-# $Id: 068,v 1.1 2002/09/02 06:04:01 nathans Exp $
+# $Id: 068,v 1.2 2002/09/03 06:34:06 fsgqa Exp $
 #
 # Test Linux LVM snapshot creation
 #
@@ -46,7 +46,7 @@ seq=`basename $0`
 echo "QA output created by $seq"
 
 here=`pwd`
-tmp=`mktemp -d /tmp/xfstest.XXXXXX` || exit 1
+tmp=/tmp/$$
 status=1	# failure is the default!
 
 # Either "dd" or "fsstress" can be used to generate io load.