diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/066 | 12 | ||||
| -rw-r--r-- | tests/qemu-iotests/066.out | 12 |
2 files changed, 15 insertions, 9 deletions
diff --git a/tests/qemu-iotests/066 b/tests/qemu-iotests/066 index 364166d..c2116a3 100755 --- a/tests/qemu-iotests/066 +++ b/tests/qemu-iotests/066 @@ -42,16 +42,18 @@ _supported_fmt qcow2 _supported_proto generic _supported_os Linux +# Intentionally create an unaligned image IMGOPTS="compat=1.1" -IMG_SIZE=64M +IMG_SIZE=$((64 * 1024 * 1024 + 512)) echo -echo "=== Testing snapshotting an image with zero clusters ===" +echo "=== Testing cluster discards ===" echo _make_test_img $IMG_SIZE -# Write some normal clusters, zero them (creating preallocated zero clusters) -# and discard those -$QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "discard 0 256k" "$TEST_IMG" \ +# Write some normal clusters, zero some of them (creating preallocated +# zero clusters) and discard everything. Everything should now read as 0. +$QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "write 64M 512" \ + -c "discard 0 $IMG_SIZE" -c "read -P 0 0 $IMG_SIZE" "$TEST_IMG" \ | _filter_qemu_io # Check the image (there shouldn't be any leaks) _check_test_img diff --git a/tests/qemu-iotests/066.out b/tests/qemu-iotests/066.out index 7bc9a10..7c1f31a 100644 --- a/tests/qemu-iotests/066.out +++ b/tests/qemu-iotests/066.out @@ -1,13 +1,17 @@ QA output created by 066 -=== Testing snapshotting an image with zero clusters === +=== Testing cluster discards === -Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67109376 wrote 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) wrote 262144/262144 bytes at offset 0 256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -discard 262144/262144 bytes at offset 0 -256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 512/512 bytes at offset 67108864 +512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +discard 67109376/67109376 bytes at offset 0 +64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 67109376/67109376 bytes at offset 0 +64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) No errors were found on the image. *** done |