On 9/15/23 20:41, Denis V. Lunev wrote:
This patch contains test which minimally tests write-zeroes on top of working discard.The following checks are added: * write 2 clusters, write-zero to the first allocated cluster * write 2 cluster, write-zero to the half the first allocated cluster Signed-off-by: Denis V. Lunev <d...@openvz.org> --- tests/qemu-iotests/131 | 20 ++++++++++++++++++++ tests/qemu-iotests/131.out | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/tests/qemu-iotests/131 b/tests/qemu-iotests/131 index e50a658f22..308732d84b 100755 --- a/tests/qemu-iotests/131 +++ b/tests/qemu-iotests/131 @@ -105,6 +105,26 @@ _make_test_img $size { $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir { $QEMU_IO -c "read -P 0 $((CLUSTER_SIZE + CLUSTER_HALF_SIZE)) $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir+echo "== check write-zeroes =="+ +# Clear image +_make_test_img $size + +{ $QEMU_IO -c "write -P 0x11 0 $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir +{ $QEMU_IO -c "write -z 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir +{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map +{ $QEMU_IO -c "read -P 0 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir + +echo "== check cluster-partial write-zeroes ==" + +# Clear image +_make_test_img $size + +{ $QEMU_IO -c "write -P 0x11 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir +{ $QEMU_IO -c "write -z 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir +{ $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir +{ $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir + echo "== allocate with backing ==" # Verify that allocating clusters works fine even when there is a backing image. # Regression test for a bug where we would pass a buffer read from the backing diff --git a/tests/qemu-iotests/131.out b/tests/qemu-iotests/131.out index 9882f9df6c..8493561bab 100644 --- a/tests/qemu-iotests/131.out +++ b/tests/qemu-iotests/131.out @@ -64,6 +64,26 @@ read 524288/524288 bytes at offset 0 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 2097152/2097152 bytes at offset 1572864 2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +== check write-zeroes == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +wrote 2097152/2097152 bytes at offset 0 +2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Offset Length File +0x100000 0x100000 TEST_DIR/t.IMGFMT +read 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +== check cluster-partial write-zeroes == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 524288/524288 bytes at offset 0 +512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 524288/524288 bytes at offset 0 +512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 524288/524288 bytes at offset 524288 +512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) == allocate with backing == Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
Reviewed-by: Alexander Ivanov <alexander.iva...@virtuozzo.com> -- Best regards, Alexander Ivanov
