| #!/bin/bash |
| # |
| # qcow2 specific bdrv_pwrite_zeroes tests with backing files (complements 034) |
| # |
| # Copyright (C) 2016 Red Hat, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| # creator |
| owner=kwolf@redhat.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| status=1 # failure is the default! |
| |
| _cleanup() |
| { |
| _cleanup_test_img |
| } |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| _supported_fmt qcow2 |
| _supported_proto file |
| _supported_os Linux |
| |
| CLUSTER_SIZE=4k |
| size=128M |
| |
| echo |
| echo == backing file contains zeros == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Make sure that the whole cluster is allocated even for partial write_zeroes |
| # when the backing file contains zeros |
| |
| # X = non-zero data sector in backing file |
| # - = sector unallocated in whole backing chain |
| # 0 = sector touched by write_zeroes request |
| |
| # 1. Tail unaligned: 00 00 -- -- |
| # 2. Head unaligned: -- -- 00 00 |
| # 3. Both unaligned: -- 00 00 -- |
| # 4. Both, 2 clusters: -- -- -- 00 | 00 -- -- -- |
| |
| $QEMU_IO -c "write -z 0 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "write -z 10k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "write -z 17k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "write -z 27k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == backing file contains non-zero data before write_zeroes == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Single cluster; non-zero data at the cluster start |
| # ... | XX -- 00 -- | ... |
| $QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 34k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 33k 3k" "$TEST_IMG" | _filter_qemu_io |
| |
| # Single cluster; non-zero data exists, but not at the cluster start |
| # ... | -- XX 00 -- | ... |
| $QEMU_IO -c "write -P 0x11 65k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 66k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 66k 2k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == backing file contains non-zero data after write_zeroes == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Single cluster; non-zero data directly after request |
| # ... | -- 00 XX -- | ... |
| $QEMU_IO -c "write -P 0x11 34k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 33k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 32k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 34k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 35k 1k" "$TEST_IMG" | _filter_qemu_io |
| |
| # Single cluster; non-zero data exists, but not directly after request |
| # ... | -- 00 -- XX | ... |
| $QEMU_IO -c "write -P 0x11 43k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 41k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 43k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 40k 3k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == write_zeroes covers non-zero data == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # non-zero data at front of request |
| # Backing file: -- XX -- -- |
| # Active layer: -- 00 00 -- |
| |
| $QEMU_IO -c "write -P 0x11 5k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 5k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 4k 4k" "$TEST_IMG" | _filter_qemu_io |
| |
| # non-zero data at end of request |
| # Backing file: -- -- XX -- |
| # Active layer: -- 00 00 -- |
| |
| $QEMU_IO -c "write -P 0x11 14k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 13k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 12k 4k" "$TEST_IMG" | _filter_qemu_io |
| |
| # non-zero data matches size of request |
| # Backing file: -- XX XX -- |
| # Active layer: -- 00 00 -- |
| |
| $QEMU_IO -c "write -P 0x11 21k 2k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 21k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 20k 4k" "$TEST_IMG" | _filter_qemu_io |
| |
| # non-zero data smaller than request |
| # Backing file: -- -X X- -- |
| # Active layer: -- 00 00 -- |
| |
| $QEMU_IO -c "write -P 0x11 30208 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 29k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 28k 4k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning two clusters, non-zero before request == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Two clusters; non-zero data before request: |
| # 1. At cluster start: 32k: XX -- -- 00 | 00 -- -- -- |
| # 2. Between unallocated space: 48k: -- XX -- 00 | 00 -- -- -- |
| # 3. Directly before request: 64k: -- -- XX 00 | 00 -- -- -- |
| |
| $QEMU_IO -c "write -P 0x11 32k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 32k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 33k 7k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IO -c "write -P 0x11 49k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 48k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 49k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 50k 6k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IO -c "write -P 0x11 66k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 66k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 67k 5k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning two clusters, non-zero after request == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Two clusters; non-zero data after request: |
| # 1. Directly after request: 32k: -- -- -- 00 | 00 XX -- -- |
| # 2. Between unallocated space: 48k: -- -- -- 00 | 00 -- XX -- |
| # 3. At cluster end: 64k: -- -- -- 00 | 00 -- -- XX |
| |
| $QEMU_IO -c "write -P 0x11 37k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 35k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 32k 5k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 37k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 38k 2k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IO -c "write -P 0x11 54k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 51k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 48k 6k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 54k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 55k 1k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IO -c "write -P 0x11 71k 1k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 67k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 71k 1k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning two clusters, partially overwriting backing file == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Backing file: -- -- XX XX | XX XX -- -- |
| # Active layer: -- -- XX 00 | 00 XX -- -- |
| |
| $QEMU_IO -c "write -P 0x11 2k 4k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 3k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 0k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 2k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 3k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 5k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 6k 2k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning multiple clusters, non-zero in first cluster == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Backing file: 64k: XX XX -- -- | -- -- -- -- | -- -- -- -- |
| # Active layer: 64k: XX XX 00 00 | 00 00 00 00 | 00 -- -- -- |
| |
| $QEMU_IO -c "write -P 0x11 64k 2k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 64k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 66k 10k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning multiple clusters, non-zero in intermediate cluster == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Backing file: 64k: -- -- -- -- | -- XX XX -- | -- -- -- -- |
| # Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- -- -- |
| |
| $QEMU_IO -c "write -P 0x11 69k 2k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 12k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning multiple clusters, non-zero in final cluster == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Backing file: 64k: -- -- -- -- | -- -- -- -- | -- -- XX XX |
| # Active layer: 64k: -- -- 00 00 | 00 00 00 00 | 00 -- XX XX |
| |
| $QEMU_IO -c "write -P 0x11 74k 2k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 10k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 74k 2k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| echo |
| echo == spanning multiple clusters, partially overwriting backing file == |
| |
| CLUSTER_SIZE=512 TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| _make_test_img -b "$TEST_IMG.base" |
| |
| # Backing file: 64k: -- XX XX XX | XX XX XX XX | XX XX XX -- |
| # Active layer: 64k: -- XX 00 00 | 00 00 00 00 | 00 XX XX -- |
| |
| $QEMU_IO -c "write -P 0x11 65k 10k" "$TEST_IMG.base" | _filter_qemu_io |
| $QEMU_IO -c "write -z 66k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 64k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 65k 1k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 66k 7k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0x11 73k 2k" "$TEST_IMG" | _filter_qemu_io |
| $QEMU_IO -c "read -P 0 75k 1k" "$TEST_IMG" | _filter_qemu_io |
| |
| $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| |
| # success, all done |
| echo "*** done" |
| rm -f $seq.full |
| status=0 |
