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/reservation/reservation.shlib
  
--- 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/reservation/reservation.shlib
  
*** 53,63 ****
  function cleanup
  {
          typeset vol
  
          for vol in $regvol $sparsevol; do
!                 datasetexists $vol &&  log_must $ZFS destroy $vol
          done
  }
  log_onexit cleanup
  
  log_assert "Verify that the volsize changes of sparse volumes are not " \
--- 53,63 ----
  function cleanup
  {
          typeset vol
  
          for vol in $regvol $sparsevol; do
!                 datasetexists $vol &&  log_must zfs destroy $vol
          done
  }
  log_onexit cleanup
  
  log_assert "Verify that the volsize changes of sparse volumes are not " \
*** 65,76 ****
  log_onexit cleanup
  
  # Create a regular and sparse volume for testing.
  regvol=$TESTPOOL/$TESTVOL
  sparsevol=$TESTPOOL/$TESTVOL2
! log_must $ZFS create -V 64M $regvol
! log_must $ZFS create -s -V 64M $sparsevol
  
  typeset -i vsize=$(get_prop available $TESTPOOL)
  typeset -i iterate=10
  typeset -i regreserv
  typeset -i sparsereserv
--- 65,76 ----
  log_onexit cleanup
  
  # Create a regular and sparse volume for testing.
  regvol=$TESTPOOL/$TESTVOL
  sparsevol=$TESTPOOL/$TESTVOL2
! log_must zfs create -V 64M $regvol
! log_must zfs create -s -V 64M $sparsevol
  
  typeset -i vsize=$(get_prop available $TESTPOOL)
  typeset -i iterate=10
  typeset -i regreserv
  typeset -i sparsereserv
*** 81,92 ****
  
  while ((iterate > 1)); do
          ((randomblknum = 1 + RANDOM % blknum))
          # Make sure volsize is a multiple of volume block size
          ((vsize = randomblknum * volblocksize))
!         log_must $ZFS set volsize=$vsize $regvol
!         log_must $ZFS set volsize=$vsize $sparsevol
          vsize=$(volsize_to_reservation $regvol $vsize)
          regreserv=$(get_prop refreservation $regvol)
          sparsereserv=$(get_prop reservation $sparsevol)
          ((sparsereserv == vsize)) && \
                  log_fail "volsize changes of sparse volume is reflected in " \
--- 81,92 ----
  
  while ((iterate > 1)); do
          ((randomblknum = 1 + RANDOM % blknum))
          # Make sure volsize is a multiple of volume block size
          ((vsize = randomblknum * volblocksize))
!         log_must zfs set volsize=$vsize $regvol
!         log_must zfs set volsize=$vsize $sparsevol
          vsize=$(volsize_to_reservation $regvol $vsize)
          regreserv=$(get_prop refreservation $regvol)
          sparsereserv=$(get_prop reservation $sparsevol)
          ((sparsereserv == vsize)) && \
                  log_fail "volsize changes of sparse volume is reflected in " \