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| author | Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> | 2019-12-02 15:15:06 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2020-01-06 13:43:07 +0100 |
| commit | 19959445f5310f713c58cb1f5c9c3bcca6f97f95 (patch) | |
| tree | 6e31c74765cb5a4fda242dfd29853cdd116026ef /tests/qemu-iotests/214 | |
| parent | 0d483dce3847e43b415896344a5e60bd0a50823d (diff) | |
| download | qemu-19959445f5310f713c58cb1f5c9c3bcca6f97f95.zip | |
tests/qemu-iotests: add case to write compressed data of multiple clusters
Add the case to the iotest #214 that checks possibility of writing
compressed data of more than one cluster size. The test case involves
the compress filter driver showing a sample usage of that.
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1575288906-551879-4-git-send-email-andrey.shinkevich@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests/qemu-iotests/214')
| -rwxr-xr-x | tests/qemu-iotests/214 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/qemu-iotests/214 b/tests/qemu-iotests/214 index 0f2e61280a..3500e0c47a 100755 --- a/tests/qemu-iotests/214 +++ b/tests/qemu-iotests/214 @@ -90,6 +90,49 @@ _check_test_img -r all $QEMU_IO -c "read -P 0x11 0 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir $QEMU_IO -c "read -P 0x22 4M 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir +echo +echo "=== Write compressed data of multiple clusters ===" +echo +cluster_size=0x10000 +_make_test_img 2M -o cluster_size=$cluster_size + +echo "Write uncompressed data:" +let data_size="8 * $cluster_size" +$QEMU_IO -c "write -P 0xaa 0 $data_size" "$TEST_IMG" \ + 2>&1 | _filter_qemu_io | _filter_testdir +sizeA=$($QEMU_IMG info --output=json "$TEST_IMG" | + sed -n '/"actual-size":/ s/[^0-9]//gp') + +_make_test_img 2M -o cluster_size=$cluster_size +echo "Write compressed data:" +let data_size="3 * $cluster_size + $cluster_size / 2" +# Set compress on. That will align the written data +# by the cluster size and will write them compressed. +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ +$QEMU_IO -c "write -P 0xbb 0 $data_size" --image-opts \ + "driver=compress,file.driver=$IMGFMT,file.file.driver=file,file.file.filename=$TEST_IMG" \ + 2>&1 | _filter_qemu_io | _filter_testdir + +let offset="4 * $cluster_size + $cluster_size / 4" +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ +$QEMU_IO -c "write -P 0xcc $offset $data_size" "json:{\ + 'driver': 'compress', + 'file': {'driver': '$IMGFMT', + 'file': {'driver': 'file', + 'filename': '$TEST_IMG'}}}" | \ + _filter_qemu_io | _filter_testdir + +sizeB=$($QEMU_IMG info --output=json "$TEST_IMG" | + sed -n '/"actual-size":/ s/[^0-9]//gp') + +if [ $sizeA -le $sizeB ] +then + echo "Compression ERROR" +fi + +$QEMU_IMG check --output=json "$TEST_IMG" | + sed -n 's/,$//; /"compressed-clusters":/ s/^ *//p' + # success, all done echo '*** done' rm -f $seq.full |