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