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>

*** 8,18 ****
  # source.  A copy of the CDDL is also available via the Internet at
  # http://www.illumos.org/license/CDDL.
  #
  
  #
! # Copyright (c) 2012 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/math.shlib
  
  export TESTVOL="testvol.nopwrite"
--- 8,18 ----
  # source.  A copy of the CDDL is also available via the Internet at
  # http://www.illumos.org/license/CDDL.
  #
  
  #
! # Copyright (c) 2012, 2016 by Delphix. All rights reserved.
  #
  
  . $STF_SUITE/include/math.shlib
  
  export TESTVOL="testvol.nopwrite"
*** 25,35 ****
          typeset snap=$2
          typeset clone=$3
          typeset low=1
          typeset high=99
  
!         $SYNC
          for i in origin snap clone; do
                  for j in used refer usedbychildren written; do
                          typeset ${i}_$j=$(get_prop $j $(eval echo \$$i))
                  done
          done
--- 25,35 ----
          typeset snap=$2
          typeset clone=$3
          typeset low=1
          typeset high=99
  
!         sync
          for i in origin snap clone; do
                  for j in used refer usedbychildren written; do
                          typeset ${i}_$j=$(get_prop $j $(eval echo \$$i))
                  done
          done
*** 58,68 ****
  
          #
          # The comparisons below should pass regardless of nopwrite. They're
          # here for sanity.
          #
!         typeset deadlist=$($ZDB -Pddd $clone | $AWK '/Deadlist:/ {print $2}')
          within_percent $deadlist $clone_written $high || return 1
          within_percent $snap_refer $snap_written $high || return 1
  
          return 0
  }
--- 58,68 ----
  
          #
          # The comparisons below should pass regardless of nopwrite. They're
          # here for sanity.
          #
!         typeset deadlist=$(zdb -Pddd $clone | awk '/Deadlist:/ {print $2}')
          within_percent $deadlist $clone_written $high || return 1
          within_percent $snap_refer $snap_written $high || return 1
  
          return 0
  }