f7c1553388
This adds the skip option which allows qemu-img dd to skip a number of blocks before copying the input. A test case was added to test the skip option. Signed-off-by: Reda Sallahi <fullmanet@gmail.com> Message-id: 20160810141609.32727-1-fullmanet@gmail.com Signed-off-by: Max Reitz <mreitz@redhat.com>
73 lines
1.7 KiB
Bash
Executable File
73 lines
1.7 KiB
Bash
Executable File
#! /bin/bash
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#
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# qemu-img dd test for the skip option
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#
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# Copyright (C) 2016 Reda Sallahi
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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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owner=fullmanet@gmail.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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here="$PWD"
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status=1
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_cleanup()
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{
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_cleanup_test_img
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rm -f "$TEST_IMG.out" "$TEST_IMG.out.dd"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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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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TEST_SKIP_BLOCKS="1 2 30 30K"
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for skip in $TEST_SKIP_BLOCKS; do
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echo
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echo "== Creating image =="
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size=1M
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_make_test_img $size
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_check_test_img
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$QEMU_IO -c "write -P 0xa 24 512k" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Converting the image with dd with skip=$skip =="
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$QEMU_IMG dd if="$TEST_IMG" of="$TEST_IMG.out" skip="$skip" -O "$IMGFMT" \
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2> /dev/null
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TEST_IMG="$TEST_IMG.out" _check_test_img
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dd if="$TEST_IMG" of="$TEST_IMG.out.dd" skip="$skip" status=none
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echo
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echo "== Compare the images with qemu-img compare =="
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$QEMU_IMG compare "$TEST_IMG.out.dd" "$TEST_IMG.out"
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done
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echo
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echo "*** done"
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rm -f "$seq.full"
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status=0
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