7290 ZFS test suite needs to control what utilities it can run
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 24,34 ****
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  
  #
--- 24,34 ----
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  #
! # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/libtest.shlib
  
  #
*** 43,68 ****
  
  verify_runnable "both"
  
  function cleanup
  {
!         log_must $ZFS destroy -rf $TESTPOOL/$TESTFS
!         log_must $ZFS create $TESTPOOL/$TESTFS
!         log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
  }
  
  log_assert "Sub-filesystem quotas are not enforced by property 'refquota'"
  log_onexit cleanup
  
  TESTFILE='testfile'
  fs=$TESTPOOL/$TESTFS
! log_must $ZFS set quota=25M $fs
! log_must $ZFS set refquota=10M $fs
! log_must $ZFS create $fs/subfs
  
  mntpnt=$(get_prop mountpoint $fs/subfs)
! log_must $MKFILE 20M $mntpnt/$TESTFILE
  
  typeset -i used quota refquota
  used=$(get_prop used $fs)
  refquota=$(get_prop refquota $fs)
  ((used = used / (1024 * 1024)))
--- 43,68 ----
  
  verify_runnable "both"
  
  function cleanup
  {
!         log_must zfs destroy -rf $TESTPOOL/$TESTFS
!         log_must zfs create $TESTPOOL/$TESTFS
!         log_must zfs set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
  }
  
  log_assert "Sub-filesystem quotas are not enforced by property 'refquota'"
  log_onexit cleanup
  
  TESTFILE='testfile'
  fs=$TESTPOOL/$TESTFS
! log_must zfs set quota=25M $fs
! log_must zfs set refquota=10M $fs
! log_must zfs create $fs/subfs
  
  mntpnt=$(get_prop mountpoint $fs/subfs)
! log_must mkfile 20M $mntpnt/$TESTFILE
  
  typeset -i used quota refquota
  used=$(get_prop used $fs)
  refquota=$(get_prop refquota $fs)
  ((used = used / (1024 * 1024)))
*** 69,79 ****
  ((refquota = refquota / (1024 * 1024)))
  if [[ $used -lt $refquota ]]; then
          log_fail "ERROR: $used < $refquota subfs quotas are limited by refquota"
  fi
  
! log_mustnot $MKFILE 20M $mntpnt/$TESTFILE.2
  used=$(get_prop used $fs)
  quota=$(get_prop quota $fs)
  ((used = used / (1024 * 1024)))
  ((quota = quota / (1024 * 1024)))
  if [[ $used -gt $quota ]]; then
--- 69,79 ----
  ((refquota = refquota / (1024 * 1024)))
  if [[ $used -lt $refquota ]]; then
          log_fail "ERROR: $used < $refquota subfs quotas are limited by refquota"
  fi
  
! log_mustnot mkfile 20M $mntpnt/$TESTFILE.2
  used=$(get_prop used $fs)
  quota=$(get_prop quota $fs)
  ((used = used / (1024 * 1024)))
  ((quota = quota / (1024 * 1024)))
  if [[ $used -gt $quota ]]; then