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) 2020 by Lawrence Livermore National Security, LLC. 25# Copyright (c) 2021 by The FreeBSD Foundation. 26# 27 28. $STF_SUITE/include/libtest.shlib 29 30# 31# DESCRIPTION: 32# Test hole-punching functionality 33# 34# STRATEGY: 35# 1. Create a dense file 36# 2. Punch an assortment of holes in the file and verify the result. 37# 38 39verify_runnable "global" 40 41# 42# Prior to __FreeBSD_version 1400032 there are no mechanism to punch hole in a 43# file on FreeBSD. truncate -d support is required to call fspacectl(2) on 44# behalf of the script. 45# 46if is_freebsd; then 47 if [[ $(uname -K) -lt 1400032 ]]; then 48 log_unsupported "Requires fspacectl(2) support on FreeBSD" 49 fi 50 if truncate -d 2>&1 | grep "illegal option" > /dev/null; then 51 log_unsupported "Requires truncate(1) -d support on FreeBSD" 52 fi 53fi 54 55FILE=$TESTDIR/$TESTFILE0 56BLKSZ=$(get_prop recordsize $TESTPOOL) 57 58function cleanup 59{ 60 [[ -e $TESTDIR ]] && log_must rm -f $FILE 61} 62 63function check_reported_size 64{ 65 typeset expected_size=$1 66 67 if ! [ -e "${FILE}" ]; then 68 log_fail "$FILE does not exist" 69 fi 70 71 reported_size=$(du "${FILE}" | awk '{print $1}') 72 if [ "$reported_size" != "$expected_size" ]; then 73 log_fail "Incorrect reported size: $reported_size != $expected_size" 74 fi 75} 76 77function check_apparent_size 78{ 79 typeset expected_size=$1 80 81 apparent_size=$(stat_size "${FILE}") 82 if [ "$apparent_size" != "$expected_size" ]; then 83 log_fail "Incorrect apparent size: $apparent_size != $expected_size" 84 fi 85} 86 87log_assert "Ensure holes can be punched in files making them sparse" 88 89log_onexit cleanup 90 91# Create a dense file and check it is the correct size. 92log_must file_write -o create -f $FILE -b $BLKSZ -c 8 93sync_pool $TESTPOOL 94log_must check_reported_size 1027 95 96# Punch a hole for the first full block. 97log_must punch_hole 0 $BLKSZ $FILE 98sync_pool $TESTPOOL 99log_must check_reported_size 899 100 101# Partially punch a hole in the second block. 102log_must punch_hole $BLKSZ $((BLKSZ / 2)) $FILE 103sync_pool $TESTPOOL 104log_must check_reported_size 899 105 106# Punch a hole which overlaps the third and fourth block. 107log_must punch_hole $(((BLKSZ * 2) + (BLKSZ / 2))) $((BLKSZ)) $FILE 108sync_pool $TESTPOOL 109log_must check_reported_size 899 110 111# Punch a hole from the fifth block past the end of file. The apparent 112# file size should not change since --keep-size is implied. 113apparent_size=$(stat_size $FILE) 114log_must punch_hole $((BLKSZ * 4)) $((BLKSZ * 10)) $FILE 115sync_pool $TESTPOOL 116log_must check_reported_size 387 117log_must check_apparent_size $apparent_size 118 119log_pass "Ensure holes can be punched in files making them sparse" 120