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>

*** 10,20 ****
  # 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/libtest.shlib
  . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib
  
--- 10,20 ----
  # 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/libtest.shlib
  . $STF_SUITE/tests/functional/nopwrite/nopwrite.shlib
  
*** 35,58 ****
  volclone="/dev/zvol/rdsk/$clone"
  log_onexit cleanup
  
  function cleanup
  {
!         datasetexists $origin && log_must $ZFS destroy -R $origin
          # No need to recreate the volume as no other tests expect it.
  }
  
  log_assert "nopwrite works on volumes"
  
! log_must $ZFS set compress=on $origin
! log_must $ZFS set checksum=sha256 $origin
! $DD if=/dev/urandom of=$vol bs=8192 count=4096 conv=notrunc >/dev/null \
      2>&1 || log_fail "dd into $orgin failed."
! $ZFS snapshot $origin@a || log_fail "zfs snap failed"
! log_must $ZFS clone $origin@a $clone
! log_must $ZFS set compress=on $clone
! log_must $ZFS set checksum=sha256 $clone
! $DD if=$vol of=$volclone bs=8192 count=4096 conv=notrunc >/dev/null 2>&1 || \
      log_fail "dd into $clone failed."
  log_must verify_nopwrite $origin $origin@a $clone
  
  log_pass "nopwrite works on volumes"
--- 35,58 ----
  volclone="/dev/zvol/rdsk/$clone"
  log_onexit cleanup
  
  function cleanup
  {
!         datasetexists $origin && log_must zfs destroy -R $origin
          # No need to recreate the volume as no other tests expect it.
  }
  
  log_assert "nopwrite works on volumes"
  
! log_must zfs set compress=on $origin
! log_must zfs set checksum=sha256 $origin
! dd if=/dev/urandom of=$vol bs=8192 count=4096 conv=notrunc >/dev/null \
      2>&1 || log_fail "dd into $orgin failed."
! zfs snapshot $origin@a || log_fail "zfs snap failed"
! log_must zfs clone $origin@a $clone
! log_must zfs set compress=on $clone
! log_must zfs set checksum=sha256 $clone
! dd if=$vol of=$volclone bs=8192 count=4096 conv=notrunc >/dev/null 2>&1 || \
      log_fail "dd into $clone failed."
  log_must verify_nopwrite $origin $origin@a $clone
  
  log_pass "nopwrite works on volumes"