#!/bin/sh -x set -e mkdir -p testdir cd testdir set +e setfacl -d -m u:nobody:rw . if test $? != 0; then echo "Filesystem does not support ACL" exit 0 fi set -e c=0 while [ $c -lt 100 ] do c=`expr $c + 1` # inherited ACL from parent directory's default ACL mkdir d1 c1=`getfacl d1 | grep -c "nobody:rw"` echo 3 | sudo tee /proc/sys/vm/drop_caches > /dev/null c2=`getfacl d1 | grep -c "nobody:rw"` rmdir d1 if [ $c1 -ne 2 ] || [ $c2 -ne 2 ] then echo "ERROR: incorrect ACLs" exit 1 fi done cd .. rmdir testdir echo OK