mirror of https://gitee.com/openkylin/qemu.git
97 lines
2.9 KiB
Bash
Executable File
97 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Test that temporary backing file overrides (on the command line or in
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# blockdev-add) don't replace the original path stored in the image during
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# header updates.
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#
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# Copyright (C) 2015 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 $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_qemu
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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_supported_fmt qcow2
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_supported_proto generic
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_supported_os Linux
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# We are going to use lazy-refcounts
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_unsupported_imgopts 'compat=0.10'
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qemu_comm_method="monitor"
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TEST_IMG="$TEST_IMG.orig" _make_test_img 64M
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TEST_IMG="$TEST_IMG.base" _make_test_img 64M
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_make_test_img 64M
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_img_info | _filter_img_info
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echo
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echo "=== HMP commit ==="
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echo
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# bdrv_make_empty() involves a header update for qcow2
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# Test that a backing file isn't written
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_launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base"
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_send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)"
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_send_qemu_cmd $QEMU_HANDLE '' '(qemu)'
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_cleanup_qemu
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_img_info | _filter_img_info
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# Make sure that if there was a backing file that was just overridden on the
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# command line, that backing file is retained, with the right format
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_make_test_img -F raw -b "$TEST_IMG.orig" 64M
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_launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base",backing.driver=$IMGFMT
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_send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)"
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_send_qemu_cmd $QEMU_HANDLE '' '(qemu)'
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_cleanup_qemu
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_img_info | _filter_img_info
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echo
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echo "=== Marking image dirty (lazy refcounts) ==="
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echo
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# Test that a backing file isn't written
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_make_test_img 64M
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$QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io
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_img_info | _filter_img_info
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# Make sure that if there was a backing file that was just overridden on the
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# command line, that backing file is retained, with the right format
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_make_test_img -F raw -b "$TEST_IMG.orig" 64M
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$QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,backing.driver=$IMGFMT,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io
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_img_info | _filter_img_info
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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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