tests/zfs-tests/tests/functional/zvol/zvol_common.shlib

   1 #
   2 # CDDL HEADER START
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   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21
  22 #
  23 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26
  27 #
  28 # Copyright (c) 2013 by Delphix. All rights reserved.
  29 #
  30
  31 . $STF_SUITE/include/libtest.shlib
  32 . $STF_SUITE/tests/functional/zvol/zvol.cfg
  33
  34 #
  35 # Create a simple zvol volume
  36 #
  37 # Where disk_device: is the name of the disk to be used
  38 #       volume_size: is the size of the volume, e.g. 2G
  39 #
  40 function default_zvol_setup # disk_device volume_size
  41 {
  42         typeset disk=$1
  43         typeset size=$2
  44         typeset savedumpdev
  45         typeset -i output
  46
  47         create_pool $TESTPOOL "$disk"
  48
  49         log_must $ZFS create -V $size $TESTPOOL/$TESTVOL
  50         block_device_wait
  51
  52         set_dumpsize $TESTPOOL/$TESTVOL
  53 }
  54
  55 #
  56 # Destroy the default zvol which was setup using
  57 # default_zvol_setup().
  58 #
  59 function default_zvol_cleanup
  60 {
  61         if datasetexists $TESTPOOL/$TESTVOL ; then
  62                 log_must $ZFS destroy $TESTPOOL/$TESTVOL
  63         fi
  64
  65         destroy_pool $TESTPOOL
  66 }
  67
  68 function get_dumpdevice
  69 {
  70         typeset ret=$($DUMPADM | $GREP "Dump device:" | $AWK '{print $3}')
  71         echo $ret
  72 }
  73
  74 function set_dumpsize
  75 {
  76         typeset volume=$1
  77
  78         if [[ -z $volume ]] ; then
  79                 log_note "No volume specified."
  80                 return 1
  81         fi
  82
  83         log_must $ZFS set volsize=64m $volume
  84
  85         if ! is_linux; then
  86                 output=$($DUMPADM -d ${ZVOL_DEVDIR}/$volume 2>&1 | \
  87                                 $TAIL -1 | $AWK '{print $3}')
  88
  89                 if [[ -n $output ]]; then
  90                         (( output = output / 1024 / 1024 ))
  91                         (( output = output + output / 5 ))
  92                         log_must $ZFS set volsize=${output}m $volume
  93                 fi
  94         fi
  95
  96         return 0
  97 }
  98
  99 function safe_dumpadm
 100 {
 101         typeset device=$1
 102
 103         if [[ -z $device || $device == "none" ]] ; then
 104                 log_note "No dump device volume specified."
 105                 return 1
 106         fi
 107         if [[ $device == "${ZVOL_DEVDIR}/"* ]] ; then
 108                 typeset volume=${device#${ZVOL_DEVDIR}/}
 109                 set_dumpsize $volume
 110                 log_must $DUMPADM -d $device
 111         else
 112                 log_must $SWAPADD
 113                 if ! is_swap_inuse $device ; then
 114                         log_must $SWAP -a $device
 115                 fi
 116                 log_must $DUMPADM -d swap
 117         fi
 118 }
 119
 120 function is_zvol_dumpified
 121 {
 122         typeset volume=$1
 123
 124         if [[ -z $volume ]] ; then
 125                 log_note "No volume specified."
 126                 return 1
 127         fi
 128
 129         $ZDB -dddd $volume 2 | $GREP "dumpsize" > /dev/null 2>&1
 130         return $?
 131 }
 132
 133 function is_swap_inuse
 134 {
 135         typeset device=$1
 136
 137         if [[ -z $device ]] ; then
 138                 log_note "No device specified."
 139                 return 1
 140         fi
 141
 142         $SWAP -l | $GREP -w $device > /dev/null 2>&1
 143         return $?
 144 }