xref: /openbmc/qemu/tests/qemu-iotests/243 (revision 0e324626)
1f3d07ce8SThomas Huth#!/usr/bin/env bash
2*9dd003a9SVladimir Sementsov-Ogievskiy# group: rw quick
397f94cb4SKevin Wolf#
497f94cb4SKevin Wolf# Test qcow2 preallocation
597f94cb4SKevin Wolf#
697f94cb4SKevin Wolf# Copyright (C) 2019 Red Hat, Inc.
797f94cb4SKevin Wolf#
897f94cb4SKevin Wolf# This program is free software; you can redistribute it and/or modify
997f94cb4SKevin Wolf# it under the terms of the GNU General Public License as published by
1097f94cb4SKevin Wolf# the Free Software Foundation; either version 2 of the License, or
1197f94cb4SKevin Wolf# (at your option) any later version.
1297f94cb4SKevin Wolf#
1397f94cb4SKevin Wolf# This program is distributed in the hope that it will be useful,
1497f94cb4SKevin Wolf# but WITHOUT ANY WARRANTY; without even the implied warranty of
1597f94cb4SKevin Wolf# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1697f94cb4SKevin Wolf# GNU General Public License for more details.
1797f94cb4SKevin Wolf#
1897f94cb4SKevin Wolf# You should have received a copy of the GNU General Public License
1997f94cb4SKevin Wolf# along with this program.  If not, see <http://www.gnu.org/licenses/>.
2097f94cb4SKevin Wolf#
2197f94cb4SKevin Wolf
2297f94cb4SKevin Wolf# creator
2397f94cb4SKevin Wolfowner=kwolf@redhat.com
2497f94cb4SKevin Wolf
2597f94cb4SKevin Wolfseq=$(basename $0)
2697f94cb4SKevin Wolfecho "QA output created by $seq"
2797f94cb4SKevin Wolf
2897f94cb4SKevin Wolfstatus=1	# failure is the default!
2997f94cb4SKevin Wolf
3097f94cb4SKevin Wolf_cleanup()
3197f94cb4SKevin Wolf{
3297f94cb4SKevin Wolf    _cleanup_test_img
33f91ecbd7SMax Reitz    _rm_test_img "$TEST_IMG.data"
3497f94cb4SKevin Wolf}
3597f94cb4SKevin Wolftrap "_cleanup; exit \$status" 0 1 2 3 15
3697f94cb4SKevin Wolf
3797f94cb4SKevin Wolf# get standard environment, filters and checks
3897f94cb4SKevin Wolf. ./common.rc
3997f94cb4SKevin Wolf. ./common.filter
4097f94cb4SKevin Wolf
4197f94cb4SKevin Wolf_supported_fmt qcow2
4297f94cb4SKevin Wolf_supported_proto file
4397f94cb4SKevin Wolf_supported_os Linux
443be2024aSMax Reitz# External data files do not work with compat=0.10, and because there
453be2024aSMax Reitz# is an explicit case for external data files here, we cannot allow
463be2024aSMax Reitz# the user to specify whether to use one
473be2024aSMax Reitz_unsupported_imgopts 'compat=0.10' data_file
4897f94cb4SKevin Wolf
4997f94cb4SKevin Wolffor mode in off metadata falloc full; do
5097f94cb4SKevin Wolf
5197f94cb4SKevin Wolf    echo
5297f94cb4SKevin Wolf    echo "=== preallocation=$mode ==="
5397f94cb4SKevin Wolf    echo
5497f94cb4SKevin Wolf
55ffa244c8SKevin Wolf    _make_test_img -o "preallocation=$mode,extent_size_hint=0" 64M
5697f94cb4SKevin Wolf
5797f94cb4SKevin Wolf    printf "File size: "
5897f94cb4SKevin Wolf    du -b $TEST_IMG | cut -f1
5997f94cb4SKevin Wolf
6097f94cb4SKevin Wolf    # Can't use precise numbers here because they differ between filesystems
6197f94cb4SKevin Wolf    printf "Disk usage: "
6297f94cb4SKevin Wolf    [ $(du -B1 $TEST_IMG | cut -f1) -lt 1048576 ] && echo "low" || echo "high"
6397f94cb4SKevin Wolf
6497f94cb4SKevin Wolfdone
6597f94cb4SKevin Wolf
66c35896c5SKevin Wolffor mode in off metadata falloc full; do
67c35896c5SKevin Wolf
68c35896c5SKevin Wolf    echo
69c35896c5SKevin Wolf    echo "=== External data file: preallocation=$mode ==="
70c35896c5SKevin Wolf    echo
71c35896c5SKevin Wolf
72ffa244c8SKevin Wolf    _make_test_img \
73ffa244c8SKevin Wolf        -o "data_file=$TEST_IMG.data,preallocation=$mode,extent_size_hint=0" 64M
74c35896c5SKevin Wolf
75c35896c5SKevin Wolf    echo -n "qcow2 file size: "
76c35896c5SKevin Wolf    du -b $TEST_IMG | cut -f1
77c35896c5SKevin Wolf    echo -n "data file size:  "
78c35896c5SKevin Wolf    du -b $TEST_IMG.data | cut -f1
79c35896c5SKevin Wolf
80c35896c5SKevin Wolf    # Can't use precise numbers here because they differ between filesystems
81c35896c5SKevin Wolf    echo -n "qcow2 disk usage: "
82c35896c5SKevin Wolf    [ $(du -B1 $TEST_IMG | cut -f1) -lt 1048576 ] && echo "low" || echo "high"
83c35896c5SKevin Wolf    echo -n "data disk usage:  "
84ffa244c8SKevin Wolf    [ $(du -B1 $TEST_IMG.data | cut -f1) -lt 2097152 ] && echo "low" || echo "high"
85c35896c5SKevin Wolf
86c35896c5SKevin Wolfdone
87c35896c5SKevin Wolf
8897f94cb4SKevin Wolf# success, all done
8997f94cb4SKevin Wolfecho "*** done"
9097f94cb4SKevin Wolfrm -f $seq.full
9197f94cb4SKevin Wolfstatus=0
92