306 lines
11 KiB
Bash
Executable File
306 lines
11 KiB
Bash
Executable File
#!/bin/bash
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#
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# qcow2 specific bdrv_pwrite_zeroes tests with backing files (complements 034)
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#
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# Copyright (C) 2016 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 $seq"
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here=`pwd`
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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CLUSTER_SIZE=4k
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size=128M
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echo
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echo == backing file contains zeros ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Make sure that the whole cluster is allocated even for partial write_zeroes
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# when the backing file contains zeros
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# X = non-zero data sector in backing file
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# - = sector unallocated in whole backing chain
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# 0 = sector touched by write_zeroes request
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# 1. Tail unaligned: 00 00 -- --
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# 2. Head unaligned: -- -- 00 00
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# 3. Both unaligned: -- 00 00 --
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# 4. Both, 2 clusters: -- -- -- 00 | 00 -- -- --
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$QEMU_IO -c "write -z 0 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -z 10k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -z 17k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -z 27k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == backing file contains non-zero data before write_zeroes ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Single cluster; non-zero data at the cluster start
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# ... | XX -- 00 -- | ...
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$QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 34k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 33k 3k" "$TEST_IMG" | _filter_qemu_io
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# Single cluster; non-zero data exists, but not at the cluster start
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# ... | -- XX 00 -- | ...
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$QEMU_IO -c "write -P 0x11 65k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 66k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 66k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == backing file contains non-zero data after write_zeroes ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Single cluster; non-zero data directly after request
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# ... | -- 00 XX -- | ...
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$QEMU_IO -c "write -P 0x11 34k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 33k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 32k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 34k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 35k 1k" "$TEST_IMG" | _filter_qemu_io
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# Single cluster; non-zero data exists, but not directly after request
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# ... | -- 00 -- XX | ...
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$QEMU_IO -c "write -P 0x11 43k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 41k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 43k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 40k 3k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == write_zeroes covers non-zero data ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# non-zero data at front of request
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# Backing file: -- XX -- --
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# Active layer: -- 00 00 --
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$QEMU_IO -c "write -P 0x11 5k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 5k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io
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# non-zero data at end of request
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# Backing file: -- -- XX --
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# Active layer: -- 00 00 --
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$QEMU_IO -c "write -P 0x11 14k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 13k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 12k 4k" "$TEST_IMG" | _filter_qemu_io
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# non-zero data matches size of request
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# Backing file: -- XX XX --
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# Active layer: -- 00 00 --
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$QEMU_IO -c "write -P 0x11 21k 2k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 21k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 20k 4k" "$TEST_IMG" | _filter_qemu_io
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# non-zero data smaller than request
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# Backing file: -- -X X- --
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# Active layer: -- 00 00 --
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$QEMU_IO -c "write -P 0x11 30208 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 29k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 28k 4k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning two clusters, non-zero before request ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Two clusters; non-zero data before request:
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# 1. At cluster start: 32k: XX -- -- 00 | 00 -- -- --
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# 2. Between unallocated space: 48k: -- XX -- 00 | 00 -- -- --
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# 3. Directly before request: 64k: -- -- XX 00 | 00 -- -- --
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$QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 33k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -P 0x11 49k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 48k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 49k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 50k 6k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -P 0x11 66k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 66k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 67k 5k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning two clusters, non-zero after request ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Two clusters; non-zero data after request:
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# 1. Directly after request: 32k: -- -- -- 00 | 00 XX -- --
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# 2. Between unallocated space: 48k: -- -- -- 00 | 00 -- XX --
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# 3. At cluster end: 64k: -- -- -- 00 | 00 -- -- XX
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$QEMU_IO -c "write -P 0x11 37k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 32k 5k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 37k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 38k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -P 0x11 54k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 48k 6k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 54k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 55k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "write -P 0x11 71k 1k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 71k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning two clusters, partially overwriting backing file ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Backing file: -- -- XX XX | XX XX -- --
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# Active layer: -- -- XX 00 | 00 XX -- --
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$QEMU_IO -c "write -P 0x11 2k 4k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 3k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 0k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 2k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 3k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 5k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 6k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning multiple clusters, non-zero in first cluster ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Backing file: 64k: XX XX -- -- | -- -- -- -- | -- -- -- --
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# Active layer: 64k: XX XX 00 00 | 00 00 00 00 | 00 -- -- --
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$QEMU_IO -c "write -P 0x11 64k 2k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 64k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 66k 10k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning multiple clusters, non-zero in intermediate cluster ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Backing file: 64k: -- -- -- -- | -- XX XX -- | -- -- -- --
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# Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- -- --
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$QEMU_IO -c "write -P 0x11 69k 2k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 12k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning multiple clusters, non-zero in final cluster ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Backing file: 64k: -- -- -- -- | -- -- -- -- | -- -- XX XX
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# Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- XX XX
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$QEMU_IO -c "write -P 0x11 74k 2k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 10k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 74k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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echo == spanning multiple clusters, partially overwriting backing file ==
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CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size
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_make_test_img -b "$TEST_IMG.base"
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# Backing file: 64k: -- XX XX XX | XX XX XX XX | XX XX XX --
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# Active layer: 64k: -- XX 00 00 | 00 00 00 00 | 00 XX XX --
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$QEMU_IO -c "write -P 0x11 65k 10k" "$TEST_IMG.base" | _filter_qemu_io
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$QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 66k 7k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0x11 73k 2k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c "read -P 0 75k 1k" "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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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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