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 2008 Sun Microsystems, Inc. All rights reserved. 25 # Use is subject to license terms. 26 # 27 28 # 29 # Copyright (c) 2013 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 45 verify_runnable "global" 46 47 assertion="Verify the sum of swaplow and swaplen is less or equal to volsize" 48 log_assert $assertion 49 50 typeset vol=$TESTPOOL/$TESTVOL 51 typeset swapname="/dev/zvol/dsk/$vol" 52 typeset -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 = $($PAGESIZE) / 512)) 58 ((volblocks = $(get_prop volsize $vol) / 512)) 59 ((max_swaplow = (volblocks - (pageblocks * 2)))) 60 61 for i in {0..10}; do 62 swaplow=$($SHUF -n 1 -i ${pageblocks}-${max_swaplow}) 63 ((maxlen = max_swaplow - swaplow)) 64 swaplen=$($SHUF -n 1 -i ${pageblocks}-${maxlen}) 65 log_must $SWAP -a $swapname $swaplow $swaplen 66 log_must $SWAP -d $swapname $swaplow 67 done 68 69 log_pass $assertion