1#!/usr/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 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28. $STF_SUITE/tests/functional/truncate/truncate.cfg 29. $STF_SUITE/include/libtest.shlib 30 31# 32# DESCRIPTION: 33# Tests file truncation within ZFS while a sync operation is in progress. 34# 35# STRATEGY: 36# 1. Copy a file to ZFS filesystem 37# 2. Copy /dev/null to same file on ZFS filesystem 38# 3. Execute a sync command 39# 40 41verify_runnable "both" 42 43function cleanup 44{ 45 [[ -e $TESTDIR ]] && log_must $RM -rf $TESTDIR/* 46 [[ -f $srcfile ]] && $RM -f $srcfile 47} 48 49log_assert "Ensure zeroed file gets written correctly during a sync operation" 50 51srcfile="/tmp/cosmo.$$" 52log_must $DD if=/dev/urandom of=$srcfile bs=1024k count=1 53 54log_onexit cleanup 55log_must $CP $srcfile $TESTDIR/$TESTFILE 56log_must $CP /dev/null $TESTDIR/$TESTFILE 57log_must $SYNC 58if [[ -s $TESTDIR/$TESTFILE ]]; then 59 log_note "$($LS -l $TESTDIR/$TESTFILE)" 60 log_fail "testfile not truncated" 61fi 62 63log_pass "Successful truncation while a sync operation is in progress." 64