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 https://opensource.org/licenses/CDDL-1.0. 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 2008 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# swaplow + swaplen must be less than or equal to the volume size. 38# 39# STRATEGY: 40# 1. Get test system page size and test volume size. 41# 2. Random get swaplow and swaplen. 42# 3. Verify swap -a should succeed when swaplow + swaplen <= volume size. 43# 44 45verify_runnable "global" 46 47assertion="Verify the sum of swaplow and swaplen is less or equal to volsize" 48log_assert $assertion 49 50typeset vol=$TESTPOOL/$TESTVOL 51typeset swapname="${ZVOL_DEVDIR}/$vol" 52typeset -i pageblocks volblocks max_swaplow 53# 54# Both swaplow and swaplen are the desired length of 55# the swap area in 512-byte blocks. 56# 57((pageblocks = $(getconf PAGESIZE) / 512)) 58((volblocks = $(get_prop volsize $vol) / 512)) 59((max_swaplow = (volblocks - (pageblocks * 2)))) 60 61for i in {0..10}; do 62 swaplow=$(range_shuffle ${pageblocks} ${max_swaplow} | head -n 1) 63 ((maxlen = max_swaplow - swaplow)) 64 swaplen=$(range_shuffle ${pageblocks} ${maxlen} | head -n 1) 65 log_must swap -a $swapname $swaplow $swaplen 66 log_must swap -d $swapname $swaplow 67done 68 69log_pass $assertion 70