tests/zfs-tests/tests/functional/zvol/zvol_swap/zvol_swap_004_pos.ksh

   1 #!/bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22
  23 #
  24 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 #
  29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  30 #
  31
  32 . $STF_SUITE/include/libtest.shlib
  33 . $STF_SUITE/tests/functional/zvol/zvol_common.shlib
  34
  35 #
  36 # DESCRIPTION:
  37 #       When a swap zvol is added its volsize does not change.
  38 #
  39 # STRATEGY:
  40 #       1. Determine what 1/4 arc_c_max is.
  41 #       2. Create a zvols in a variety of sizes.
  42 #       3. Add them as swap, and verify the volsize is not changed.
  43 #
  44
  45 verify_runnable "global"
  46
  47 function cleanup
  48 {
  49         is_swap_inuse $swapname && log_must swap_cleanup $swapname
  50         datasetexists $vol && log_must zfs destroy $vol
  51 }
  52
  53 log_assert "For an added swap zvol, (2G <= volsize <= 16G)"
  54
  55 log_onexit cleanup
  56
  57 for vbs in 8192 16384 32768 65536 131072; do
  58         for multiplier in 32 16384 131072; do
  59                 ((volsize = vbs * multiplier))
  60                 vol="$TESTPOOL/vol_$volsize"
  61                 swapname="${ZVOL_DEVDIR}/$vol"
  62
  63                 # Create a sparse volume to test larger sizes
  64                 log_must zfs create -s -b $vbs -V $volsize $vol
  65                 block_device_wait
  66                 log_must swap_setup $swapname
  67
  68                 new_volsize=$(get_prop volsize $vol)
  69                 [[ $volsize -eq $new_volsize ]] || log_fail "$volsize $new_volsize"
  70
  71                 log_must swap_cleanup $swapname
  72                 log_must_busy zfs destroy $vol
  73         done
  74 done
  75
  76 log_pass "For an added swap zvol, (2G <= volsize <= 16G)"