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 (c) 2007, Sun Microsystems Inc. All rights reserved. 25# Copyright (c) 2013, 2016, Delphix. All rights reserved. 26# Use is subject to license terms. 27# 28 29. $STF_SUITE/include/libtest.shlib 30. $STF_SUITE/tests/functional/compression/compress.cfg 31 32# 33# DESCRIPTION: 34# Create two files of exactly the same size. One with compression 35# and one without. Ensure the compressed file is smaller. 36# 37# STRATEGY: 38# Use "zfs set" to turn on compression and create files before 39# and after the set call. The compressed file should be smaller. 40# 41 42verify_runnable "both" 43 44typeset OP=create 45 46log_assert "Ensure that compressed files are smaller." 47 48log_note "Ensure compression is off" 49log_must zfs set compression=off $TESTPOOL/$TESTFS 50 51log_note "Writing file without compression..." 52log_must file_write -o $OP -f $TESTDIR/$TESTFILE0 -b $BLOCKSZ \ 53 -c $NUM_WRITES -d $DATA 54 55log_note "Add compression property to the dataset and write another file" 56log_must zfs set compression=on $TESTPOOL/$TESTFS 57 58log_must file_write -o $OP -f $TESTDIR/$TESTFILE1 -b $BLOCKSZ \ 59 -c $NUM_WRITES -d $DATA 60 61sleep 60 62 63FILE0_BLKS=`du -k $TESTDIR/$TESTFILE0 | awk '{print $1}'` 64FILE1_BLKS=`du -k $TESTDIR/$TESTFILE1 | awk '{print $1}'` 65 66if [[ $FILE0_BLKS -le $FILE1_BLKS ]]; then 67 log_fail "$TESTFILE0 is smaller than $TESTFILE1" \ 68 "($FILE0_BLKS <= $FILE1_BLKS)" 69fi 70 71log_pass "$TESTFILE0 is bigger than $TESTFILE1 ($FILE0_BLKS > $FILE1_BLKS)" 72