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92 lines
2.4 KiB
Bash
92 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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# group: rw quick
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#
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# Test qcow2 preallocation
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=$(basename $0)
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.data"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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# External data files do not work with compat=0.10, and because there
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# is an explicit case for external data files here, we cannot allow
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# the user to specify whether to use one
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_unsupported_imgopts 'compat=0.10' data_file
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for mode in off metadata falloc full; do
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echo
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echo "=== preallocation=$mode ==="
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echo
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_make_test_img -o "preallocation=$mode,extent_size_hint=0" 64M
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printf "File size: "
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du -b $TEST_IMG | cut -f1
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# Can't use precise numbers here because they differ between filesystems
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printf "Disk usage: "
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[ $(du -B1 $TEST_IMG | cut -f1) -lt 1048576 ] && echo "low" || echo "high"
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done
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for mode in off metadata falloc full; do
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echo
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echo "=== External data file: preallocation=$mode ==="
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echo
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_make_test_img \
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-o "data_file=$TEST_IMG.data,preallocation=$mode,extent_size_hint=0" 64M
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echo -n "qcow2 file size: "
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du -b $TEST_IMG | cut -f1
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echo -n "data file size: "
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du -b $TEST_IMG.data | cut -f1
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# Can't use precise numbers here because they differ between filesystems
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echo -n "qcow2 disk usage: "
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[ $(du -B1 $TEST_IMG | cut -f1) -lt 1048576 ] && echo "low" || echo "high"
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echo -n "data disk usage: "
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[ $(du -B1 $TEST_IMG.data | cut -f1) -lt 2097152 ] && echo "low" || echo "high"
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done
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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