1#!/usr/local/bin/ksh93 -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# $FreeBSD$ 24 25# 26# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)zvol_swap_005_pos.ksh 1.2 08/05/14 SMI" 30# 31 32. $STF_SUITE/include/libtest.kshlib 33. $STF_SUITE/tests/zvol/zvol_common.kshlib 34 35################################################################################# 36# 37# __stc_assertion_start 38# 39# ID: zvol_swap_005_pos 40# 41# DESCRIPTION: 42# swaplow + swaplen must be less than or equal to the volume size. 43# 44# STRATEGY: 45# 1. Get test system page size and test volume size. 46# 2. Random get swaplow and swaplen. 47# 3. Verify swap -a should succeed when swaplow + swaplen <= volume size. 48# 49# TESTABILITY: explicit 50# 51# TEST_AUTOMATION_LEVEL: automated 52# 53# CODING_STATUS: COMPLETED (2006-12-12) 54# 55# __stc_assertion_end 56# 57################################################################################ 58 59verify_runnable "global" 60 61log_assert "swaplow + swaplen must be less than or equal to the volume size." 62 63test_requires SWAP 64 65typeset vol=$TESTPOOL/$TESTVOL 66typeset -i pageblocks volblocks 67# 68# Both swaplow and swaplen are the desired length of 69# the swap area in 512-byte blocks. 70# 71((pageblocks = $($PAGESIZE) / 512)) 72((volblocks = $(get_prop volsize $vol) / 512)) 73 74typeset -i i=0 75while ((i < 10)) ; do 76 while true; do 77 ((swaplow = RANDOM % volblocks)) 78 # Upwards increment 79 ((swaplow += pageblocks)) 80 ((swaplow -= (swaplow % pageblocks))) 81 82 # At lease one page size was left for swap area 83 ((swaplow != volblocks)) && break 84 done 85 86 while true; do 87 ((swaplen = RANDOM % (volblocks - swaplow))) 88 # Downward increment 89 ((swaplen -= (swaplen % pageblocks))) 90 91 # At lease one page size was left for swap area 92 ((swaplen != 0)) && break 93 done 94 95 # The minimum swap size should be 2 pagesize. 96 ((swaplow + swaplen < pageblocks * 2)) && continue 97 98 swapname="/dev/zvol/$vol" 99 if is_swap_inuse $swapname ; then 100 log_must $SWAP -d $swapname 101 fi 102 103 log_must $SWAP -a $swapname $swaplow $swaplen 104 log_must $SWAP -d $swapname $swaplow 105 106 ((i += 1)) 107done 108 109log_pass "Verify swaplow + swaplen must be less than or equal to volsize passed." 110