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 2009 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. 38# 39# STRATEGY: 40# 1. Open file 41# 2. Write random blocks in random places 42# 3. Truncate the file 43# 4. Repeat steps 2 and 3 lots of times 44# 5. Close the file. 45# 46 47verify_runnable "global" 48 49function cleanup 50{ 51 [[ -e $TESTDIR ]] && log_must rm -rf $TESTDIR/* 52} 53 54log_assert "Ensure file with random blocks is truncated properly" 55 56options="" 57options_display="default options" 58 59log_onexit cleanup 60 61[[ -n "$TRUNC_FILESIZE" ]] && options=" $options -f $TRUNC_FILESIZE " 62 63[[ -n "$TRUNC_BLKSIZE" ]] && options="$options -b $TRUNC_BLKSIZE " 64 65[[ -n "$TRUNC_COUNT" ]] && options="$options -c $TRUNC_COUNT " 66 67[[ -n "$TRUNC_SEED" ]] && options="$options -s $TRUNC_SEED " 68 69[[ -n "$TRUNC_FILEOFFSET" ]] && options="$options -o $TRUNC_FILEOFFSET " 70 71[[ -n "$options" ]] && options_display=$options 72 73log_note "Invoking file_trunc with: $options_display" 74log_must file_trunc $options $TESTDIR/$TESTFILE 75 76typeset dir=$(get_device_dir $DISKS) 77verify_filesys "$TESTPOOL" "$TESTPOOL/$TESTFS" "$dir" 78 79log_pass "Random blocks have been truncated properly." 80