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 2009 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
  . $STF_SUITE/tests/functional/refreserv/refreserv.cfg
  
--- 24,34 ----
  # Copyright 2009 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
  . $STF_SUITE/tests/functional/refreserv/refreserv.cfg
  
*** 45,90 ****
  verify_runnable "both"
  
  function cleanup
  {
          if is_global_zone ; then
!                 log_must $ZFS set refreservation=none $TESTPOOL
          fi
!         log_must $ZFS destroy -rf $TESTPOOL/$TESTFS
!         log_must $ZFS create $TESTPOOL/$TESTFS
!         log_must $ZFS set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
  }
  
  log_assert "Verify refreservation is limited by available space."
  log_onexit cleanup
  
  pool=$TESTPOOL ; fs=$pool/$TESTFS ; subfs=$fs/subfs
! log_must $ZFS create $subfs
  
  typeset datasets
  if is_global_zone; then
          datasets="$pool $fs"
  else
          datasets="$fs"
  fi
  
  for ds in $datasets; do
!         log_must $ZFS set quota=25M $ds
!         log_must $ZFS set refreservation=15M $ds
  
          typeset -i avail
          avail=$(get_prop avail $subfs)
!         log_must $ZFS set refreservation=$avail $subfs
          typeset mntpnt
          mntpnt=$(get_prop mountpoint $subfs)
!         log_must $MKFILE $avail $mntpnt/$TESTFILE
  
          typeset -i exceed
          ((exceed = avail + 1))
!         log_mustnot $ZFS set refreservation=$exceed $subfs
!         log_mustnot $MKFILE $avail $mntpnt/$TESTFILE
  
!         log_must $ZFS set quota=none $ds
!         log_must $ZFS set reservation=15M $ds
  done
  
  log_pass "Verify refreservation is limited by available space."
--- 45,90 ----
  verify_runnable "both"
  
  function cleanup
  {
          if is_global_zone ; then
!                 log_must zfs set refreservation=none $TESTPOOL
          fi
!         log_must zfs destroy -rf $TESTPOOL/$TESTFS
!         log_must zfs create $TESTPOOL/$TESTFS
!         log_must zfs set mountpoint=$TESTDIR $TESTPOOL/$TESTFS
  }
  
  log_assert "Verify refreservation is limited by available space."
  log_onexit cleanup
  
  pool=$TESTPOOL ; fs=$pool/$TESTFS ; subfs=$fs/subfs
! log_must zfs create $subfs
  
  typeset datasets
  if is_global_zone; then
          datasets="$pool $fs"
  else
          datasets="$fs"
  fi
  
  for ds in $datasets; do
!         log_must zfs set quota=25M $ds
!         log_must zfs set refreservation=15M $ds
  
          typeset -i avail
          avail=$(get_prop avail $subfs)
!         log_must zfs set refreservation=$avail $subfs
          typeset mntpnt
          mntpnt=$(get_prop mountpoint $subfs)
!         log_must mkfile $avail $mntpnt/$TESTFILE
  
          typeset -i exceed
          ((exceed = avail + 1))
!         log_mustnot zfs set refreservation=$exceed $subfs
!         log_mustnot mkfile $avail $mntpnt/$TESTFILE
  
!         log_must zfs set quota=none $ds
!         log_must zfs set reservation=15M $ds
  done
  
  log_pass "Verify refreservation is limited by available space."