2019-03-07 15:58:38 +01:00
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#!/usr/bin/env bash
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2017-02-17 01:51:25 +01:00
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#
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# Test creating raw image preallocation mode
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#
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# Copyright (C) 2017 Nir Soffer <nirsof@gmail.com>
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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=nirsof@gmail.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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2019-05-16 16:43:19 +02:00
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_cleanup_test_img
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rm -f "$TEST_DIR/empty"
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2017-02-17 01:51:25 +01:00
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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2019-05-16 16:43:19 +02:00
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# Some file systems sometimes allocate extra blocks independently of
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# the file size. This function hides the resulting difference in the
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# stat -c '%b' output.
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# Parameter 1: Number of blocks an empty file occupies
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# Parameter 2: Image size in bytes
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_filter_blocks()
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{
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extra_blocks=$1
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img_size=$2
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sed -e "s/blocks=$extra_blocks\\(\$\\|[^0-9]\\)/nothing allocated/" \
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-e "s/blocks=$((extra_blocks + img_size / 512))\\(\$\\|[^0-9]\\)/everything allocated/"
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}
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2017-02-17 01:51:25 +01:00
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt raw
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_supported_proto file
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_supported_os Linux
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2019-05-16 16:43:19 +02:00
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size=$((1 * 1024 * 1024))
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touch "$TEST_DIR/empty"
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extra_blocks=$(stat -c '%b' "$TEST_DIR/empty")
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2017-02-17 01:51:25 +01:00
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echo
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echo "== creating image with default preallocation =="
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_make_test_img $size | _filter_imgfmt
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2019-05-16 16:43:19 +02:00
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stat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $size
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2017-02-17 01:51:25 +01:00
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for mode in off full falloc; do
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echo
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echo "== creating image with preallocation $mode =="
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IMGOPTS=preallocation=$mode _make_test_img $size | _filter_imgfmt
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2019-05-16 16:43:19 +02:00
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stat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $size
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2017-02-17 01:51:25 +01:00
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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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