| #!/bin/ksh -p |
| # |
| # CDDL HEADER START |
| # |
| # The contents of this file are subject to the terms of the |
| # Common Development and Distribution License (the "License"). |
| # You may not use this file except in compliance with the License. |
| # |
| # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| # or http://www.opensolaris.org/os/licensing. |
| # See the License for the specific language governing permissions |
| # and limitations under the License. |
| # |
| # When distributing Covered Code, include this CDDL HEADER in each |
| # file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| # If applicable, add the following below this CDDL HEADER, with the |
| # fields enclosed by brackets "[]" replaced with your own identifying |
| # information: Portions Copyright [yyyy] [name of copyright owner] |
| # |
| # CDDL HEADER END |
| # |
| |
| # |
| # Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
| # Use is subject to license terms. |
| # |
| |
| # |
| # Copyright (c) 2013, 2016 by Delphix. All rights reserved. |
| # |
| |
| . $STF_SUITE/include/libtest.shlib |
| . $STF_SUITE/tests/functional/zvol/zvol_common.shlib |
| |
| # |
| # DESCRIPTION: |
| # swaplow + swaplen must be less than or equal to the volume size. |
| # |
| # STRATEGY: |
| # 1. Get test system page size and test volume size. |
| # 2. Random get swaplow and swaplen. |
| # 3. Verify swap -a should succeed when swaplow + swaplen <= volume size. |
| # |
| |
| verify_runnable "global" |
| |
| assertion="Verify the sum of swaplow and swaplen is less or equal to volsize" |
| log_assert $assertion |
| |
| typeset vol=$TESTPOOL/$TESTVOL |
| typeset swapname="${ZVOL_DEVDIR}/$vol" |
| typeset -i pageblocks volblocks max_swaplow |
| # |
| # Both swaplow and swaplen are the desired length of |
| # the swap area in 512-byte blocks. |
| # |
| ((pageblocks = $(getconf PAGESIZE) / 512)) |
| ((volblocks = $(get_prop volsize $vol) / 512)) |
| ((max_swaplow = (volblocks - (pageblocks * 2)))) |
| |
| for i in {0..10}; do |
| swaplow=$(range_shuffle ${pageblocks} ${max_swaplow} | head -n 1) |
| ((maxlen = max_swaplow - swaplow)) |
| swaplen=$(range_shuffle ${pageblocks} ${maxlen} | head -n 1) |
| log_must swap -a $swapname $swaplow $swaplen |
| log_must swap -d $swapname $swaplow |
| done |
| |
| log_pass $assertion |