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
  
  #
*** 44,71 ****
  
  verify_runnable "global"
  
  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 "Volume refreservation is limited by volsize"
  log_onexit cleanup
  
  fs=$TESTPOOL/$TESTFS; vol=$fs/vol
! log_must $ZFS create -V 10M $vol
  
  # Verify the parent filesystem does not affect volume
! log_must $ZFS set quota=25M $fs
! log_must $ZFS set refreservation=10M $vol
  avail=$(get_prop mountpoint $vol)
! log_mustnot $ZFS set refreservation=$avail $vol
  
  # Verify it is affected by volsize
! log_must $ZFS set volsize=15M $vol
! log_must $ZFS set refreservation=15M $vol
! log_mustnot $ZFS set refreservation=16M $vol
  
  log_pass "Volume refreservation is limited by volsize"
--- 44,71 ----
  
  verify_runnable "global"
  
  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 "Volume refreservation is limited by volsize"
  log_onexit cleanup
  
  fs=$TESTPOOL/$TESTFS; vol=$fs/vol
! log_must zfs create -V 10M $vol
  
  # Verify the parent filesystem does not affect volume
! log_must zfs set quota=25M $fs
! log_must zfs set refreservation=10M $vol
  avail=$(get_prop mountpoint $vol)
! log_mustnot zfs set refreservation=$avail $vol
  
  # Verify it is affected by volsize
! log_must zfs set volsize=15M $vol
! log_must zfs set refreservation=15M $vol
! log_mustnot zfs set refreservation=16M $vol
  
  log_pass "Volume refreservation is limited by volsize"