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 2007 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/snapshot/snapshot.cfg
  
--- 24,34 ----
  # Copyright 2007 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/snapshot/snapshot.cfg
  
*** 48,91 ****
  {
          typeset -i i=1
          while [[ $i -lt $COUNT ]]; do
                  snapexists $SNAPFS.$i
                  [[ $? -eq 0 ]] && \
!                         log_must $ZFS destroy $SNAPFS.$i
  
                  (( i = i + 1 ))
          done
  
          [[ -e $TESTDIR ]] && \
!                 log_must $RM -rf $TESTDIR/* > /dev/null 2>&1
  }
  
  log_assert "Verify that destroying snapshots returns space to the pool."
  
  log_onexit cleanup
  
  [[ -n $TESTDIR ]] && \
!     log_must $RM -rf $TESTDIR/* > /dev/null 2>&1
  
  typeset -i COUNT=10
  
  orig_size=`get_prop available $TESTPOOL`
  
  log_note "Populate the $TESTDIR directory"
  typeset -i i=1
  while [[ $i -lt $COUNT ]]; do
!         log_must $FILE_WRITE -o create -f $TESTDIR/file$i \
             -b $BLOCKSZ -c $NUM_WRITES -d $i
  
!         log_must $ZFS snapshot $SNAPFS.$i
          (( i = i + 1 ))
  done
  
  typeset -i i=1
  while [[ $i -lt $COUNT ]]; do
          log_must rm -rf $TESTDIR/file$i > /dev/null 2>&1
!         log_must $ZFS destroy $SNAPFS.$i
  
          (( i = i + 1 ))
  done
  
  new_size=`get_prop available $TESTPOOL`
--- 48,91 ----
  {
          typeset -i i=1
          while [[ $i -lt $COUNT ]]; do
                  snapexists $SNAPFS.$i
                  [[ $? -eq 0 ]] && \
!                         log_must zfs destroy $SNAPFS.$i
  
                  (( i = i + 1 ))
          done
  
          [[ -e $TESTDIR ]] && \
!                 log_must rm -rf $TESTDIR/* > /dev/null 2>&1
  }
  
  log_assert "Verify that destroying snapshots returns space to the pool."
  
  log_onexit cleanup
  
  [[ -n $TESTDIR ]] && \
!     log_must rm -rf $TESTDIR/* > /dev/null 2>&1
  
  typeset -i COUNT=10
  
  orig_size=`get_prop available $TESTPOOL`
  
  log_note "Populate the $TESTDIR directory"
  typeset -i i=1
  while [[ $i -lt $COUNT ]]; do
!         log_must file_write -o create -f $TESTDIR/file$i \
             -b $BLOCKSZ -c $NUM_WRITES -d $i
  
!         log_must zfs snapshot $SNAPFS.$i
          (( i = i + 1 ))
  done
  
  typeset -i i=1
  while [[ $i -lt $COUNT ]]; do
          log_must rm -rf $TESTDIR/file$i > /dev/null 2>&1
!         log_must zfs destroy $SNAPFS.$i
  
          (( i = i + 1 ))
  done
  
  new_size=`get_prop available $TESTPOOL`