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# 29# Copyright (c) 2016 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/tests/functional/truncate/truncate.cfg 33. $STF_SUITE/include/libtest.shlib 34 35# 36# DESCRIPTION: 37# Tests file truncation within ZFS while a sync operation is in progress. 38# 39# STRATEGY: 40# 1. Copy a file to ZFS filesystem 41# 2. Copy /dev/null to same file on ZFS filesystem 42# 3. Execute a sync command 43# 44 45verify_runnable "both" 46 47function cleanup 48{ 49 [[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/* 50 [[ -f $srcfile ]] && rm -f $srcfile 51} 52 53log_assert "Ensure zeroed file gets written correctly during a sync operation" 54 55srcfile="/tmp/cosmo.$$" 56log_must dd if=/dev/urandom of=$srcfile bs=1024k count=1 57 58log_onexit cleanup 59log_must cp $srcfile $TESTDIR/$TESTFILE 60log_must cp /dev/null $TESTDIR/$TESTFILE 61log_must sync 62if [[ -s $TESTDIR/$TESTFILE ]]; then 63 log_note "$(ls -l $TESTDIR/$TESTFILE)" 64 log_fail "testfile not truncated" 65fi 66 67log_pass "Successful truncation while a sync operation is in progress." 68