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bf22957309
Running
git grep '\$here' tests/qemu-iotests
has 0 hits, which means we are setting a variable that has
no use. It appears that commit e8f8624d removed the last
use. So execute the following cmd to remove all of
the 'here=...' lines as dead code.
sed -i '/^here=/d' $(git grep -l '^here=' tests/qemu-iotests)
Cc: kwolf@redhat.com
Cc: mreitz@redhat.com
Cc: eblake@redhat.com
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20181024094051.4470-3-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: touch up commit message, reorder series, rebase to master]
Signed-off-by: Eric Blake <eblake@redhat.com>
264 lines
11 KiB
Bash
Executable File
264 lines
11 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test some qemu-img convert cases
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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 $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f "$TEST_IMG".[123]
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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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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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TEST_IMG="$TEST_IMG".base _make_test_img 64M
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$QEMU_IO -c "write -P 0x11 0 64M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "=== Check allocation status regression with -B ==="
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echo
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_make_test_img -b "$TEST_IMG".base
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$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo "=== Check that zero clusters are kept in overlay ==="
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echo
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_make_test_img -b "$TEST_IMG".base
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$QEMU_IO -c "write -P 0 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -z 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "=== Converting to an overlay larger than its backing file ==="
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echo
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TEST_IMG="$TEST_IMG".base _make_test_img 256M
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# Needs to be at least how much an L2 table covers
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# (64 kB/entry * 64 kB / 8 B/entry = 512 MB)
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# That way, qcow2 will yield at least two status request responses.
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# With just a single response, it would always say "Allocated in the
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# backing file", so the optimization qemu-img convert tries to do is
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# done automatically. Once it has to be queried twice, however (and
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# one of the queries is completely after the end of the backing file),
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# the block layer will automatically add a ZERO flag that qemu-img
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# convert used to follow up with a zero write to the target.
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# We do not want such a zero write, however, because we are past the
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# end of the backing file on the target as well, so we do not need to
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# write anything there.
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_make_test_img -b "$TEST_IMG".base 768M
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# Use compat=0.10 as the output so there is no zero cluster support
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \
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"$TEST_IMG" "$TEST_IMG".orig
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# See that nothing has been allocated past 64M
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$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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# Just before the end of the backing file
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$QEMU_IO -c 'write -P 0x11 255M 1M' "$TEST_IMG".base 2>&1 | _filter_qemu_io
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# Somewhere in the second L2 table
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$QEMU_IO -c 'write -P 0x22 600M 1M' "$TEST_IMG" 2>&1 | _filter_qemu_io
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \
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"$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
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$QEMU_IO -c 'read -P 0x11 255M 1M' \
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-c 'read -P 0x22 600M 1M' \
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"$TEST_IMG".orig \
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| _filter_qemu_io
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echo
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echo "=== Concatenate multiple source images ==="
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echo
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TEST_IMG="$TEST_IMG".1 _make_test_img 4M
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TEST_IMG="$TEST_IMG".2 _make_test_img 4M
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TEST_IMG="$TEST_IMG".3 _make_test_img 4M
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$QEMU_IO -c "write -P 0x11 0 64k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0x22 0 64k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0x33 0 64k" "$TEST_IMG".3 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
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$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
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$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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# -B can't be combined with concatenation
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$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
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$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
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echo
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echo "=== Compression with misaligned allocations and image sizes ==="
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echo
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TEST_IMG="$TEST_IMG".1 _make_test_img 1023k -o cluster_size=1024
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TEST_IMG="$TEST_IMG".2 _make_test_img 1023k -o cluster_size=1024
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$QEMU_IO -c "write -P 0x11 16k 16k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0x22 130k 130k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0x33 1022k 1k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0x44 0k 1k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[12] "$TEST_IMG"
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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$QEMU_IO -c "read -P 0 0k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x11 16k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 32k 98k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x22 130k 130k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 260k 762k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x33 1022k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x44 1023k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 1024k 1022k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "=== Full allocation with -S 0 ==="
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echo
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# Standalone image
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_make_test_img 64M
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$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write -P 0 3M 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo convert -S 0:
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$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo convert -c -S 0:
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$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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# With backing file
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TEST_IMG="$TEST_IMG".base _make_test_img 64M
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$QEMU_IO -c "write -P 0x11 0 32M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
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_make_test_img -b "$TEST_IMG".base 64M
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$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo convert -S 0 with source backing file:
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$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo convert -c -S 0 with source backing file:
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$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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# With keeping the backing file
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echo
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echo convert -S 0 -B ...
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$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo convert -c -S 0 -B ...
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$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo "=== Non-zero -S ==="
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echo
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_make_test_img 64M -o cluster_size=1k
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$QEMU_IO -c "write -P 0 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write 0 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write 8k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "write 17k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
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for min_sparse in 4k 8k; do
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echo
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echo convert -S $min_sparse
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$QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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echo
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echo convert -c -S $min_sparse
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# For compressed images, -S values other than 0 are ignored
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$QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -c -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
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$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
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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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