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Diffstat (limited to 'tests/qemu-iotests/154')
| -rwxr-xr-x | tests/qemu-iotests/154 | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/tests/qemu-iotests/154 b/tests/qemu-iotests/154 new file mode 100755 index 0000000000..23f1b3ab16 --- /dev/null +++ b/tests/qemu-iotests/154 @@ -0,0 +1,265 @@ +#!/bin/bash +# +# qcow2 specific bdrv_write_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 == 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 |