12181 zvol swap tests should avoid grep -w

          --- old/usr/src/test/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh
          +++ new/usr/src/test/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_004_pos.ksh

   1    1  #! /usr/bin/ksh -p
   2    2  #
   3    3  # CDDL HEADER START
   4    4  #
   5    5  # The contents of this file are subject to the terms of the
   6    6  # Common Development and Distribution License (the "License").
   7    7  # You may not use this file except in compliance with the License.
   8    8  #
   9    9  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10   10  # or http://www.opensolaris.org/os/licensing.
  11   11  # See the License for the specific language governing permissions
  12   12  # and limitations under the License.
  13   13  #
  14   14  # When distributing Covered Code, include this CDDL HEADER in each
  15   15  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16   16  # If applicable, add the following below this CDDL HEADER, with the
  17   17  # fields enclosed by brackets "[]" replaced with your own identifying
  18   18  # information: Portions Copyright [yyyy] [name of copyright owner]
  19   19  #
  20   20  # CDDL HEADER END

  21   21  #
  22   22  
  23   23  #
  24   24  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  25   25  # Use is subject to license terms.
  26   26  #
  27   27  
  28   28  #
  29   29  # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  30   30  # Copyright 2016 Nexenta Systems, Inc.
       31 +# Copyright 2020 Joyent, Inc.
  31   32  #
  32   33  
  33   34  . $STF_SUITE/include/libtest.shlib
  34   35  . $STF_SUITE/tests/functional/zvol/zvol_common.shlib
  35   36  
  36   37  #
  37   38  # DESCRIPTION:
  38   39  # Verify the ability to take snapshots of zvols used as dump or swap.
  39   40  #
  40   41  # STRATEGY:

  41   42  # 1. Create a ZFS volume
  42   43  # 2. Set the volume as dump or swap
  43   44  # 3. Verify creating a snapshot of the zvol succeeds.
  44   45  #
  45   46  
  46   47  verify_runnable "global"

  47   48  
  48   49  volsize=$(zfs get -H -o value volsize $TESTPOOL/$TESTVOL)
  49   50  
  50   51  function cleanup
  51   52  {
  52   53          typeset dumpdev=$(get_dumpdevice)
  53   54          if [[ $dumpdev != $savedumpdev ]] ; then
  54   55                  safe_dumpadm $savedumpdev
  55   56          fi
  56   57  
  57      -        swap -l | grep -w $voldev > /dev/null 2>&1
       58 +        swap -l | awk 'NR > 1 { print $1 }' | \
       59 +            grep "^$voldev\$" > /dev/null 2>&1
  58   60          if (( $? == 0 ));  then
  59   61                  log_must swap -d $voldev
  60   62          fi
  61   63  
  62   64          typeset snap
  63   65          for snap in snap0 snap1 ; do
  64   66                  if datasetexists $TESTPOOL/$TESTVOL@$snap ; then
  65   67                          log_must zfs destroy $TESTPOOL/$TESTVOL@$snap
  66   68                  fi
  67   69          done

  68   70          zfs set volsize=$volsize $TESTPOOL/$TESTVOL
  69   71  }
  70   72  
  71   73  function verify_snapshot
  72   74  {
  73   75          typeset volume=$1
  74   76  
  75   77          log_must zfs snapshot $volume@snap0
  76   78          log_must zfs snapshot $volume@snap1
  77   79          log_must datasetexists $volume@snap0 $volume@snap1
  78   80  
  79   81          log_must zfs destroy $volume@snap1
  80   82          log_must zfs snapshot $volume@snap1
  81   83  
  82   84          log_mustnot zfs rollback -r $volume@snap0
  83   85          log_must datasetexists $volume@snap0
  84   86  
  85   87          log_must zfs destroy -r $volume@snap0
  86   88  }
  87   89  
  88   90  log_assert "Verify the ability to take snapshots of zvols used as dump or swap."
  89   91  log_onexit cleanup
  90   92  
  91   93  voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL
  92   94  savedumpdev=$(get_dumpdevice)
  93   95  
  94   96  # create snapshot over dump zvol
  95   97  safe_dumpadm $voldev
  96   98  log_must is_zvol_dumpified $TESTPOOL/$TESTVOL
  97   99  
  98  100  verify_snapshot $TESTPOOL/$TESTVOL
  99  101  
 100  102  safe_dumpadm $savedumpdev
 101  103  log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 102  104  
 103  105  # create snapshot over swap zvol
 104  106  
 105  107  log_must swap -a $voldev
 106  108  log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 107  109  
 108  110  verify_snapshot $TESTPOOL/$TESTVOL
 109  111  
 110  112  log_must swap -d $voldev
 111  113  log_mustnot is_zvol_dumpified $TESTPOOL/$TESTVOL
 112  114  
 113  115  log_pass "Creating snapshots from dump/swap zvols succeeds."

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