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tests: extend test 131 to cover availability of the discard operation

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This patch contains test which minimally tests discard and new cluster
allocation logic.

The following checks are added:
* write 2 clusters, discard the first allocated
* write another cluster, check that the hole is filled
* write 2 clusters, discard the first allocated, write 1 cluster at
  non-aligned to cluster offset (2 new clusters should be allocated)

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
This commit is contained in:
Denis V. Lunev 2023-09-18 20:00:58 +02:00
parent c54fb43507
commit 4248e34be9
2 changed files with 69 additions and 0 deletions
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31
tests/qemu-iotests/131
View File

@ -74,6 +74,37 @@ poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74"
echo "== read corrupted image with repairing =="
{ $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
echo "== check discard =="
# 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
{ $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
{ $QEMU_IO -c "discard 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 simple allocation over the discarded hole =="
{ $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$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 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
echo "== check more complex allocation over the discard hole =="
# Clear image
_make_test_img $size
{ $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
{ $QEMU_IO -c "discard $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
# There is 1 cluster hole. Fill it fully and allocate 1 cluster at the end
{ $QEMU_IO -c "write -P 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$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 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$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 0 $((CLUSTER_SIZE + 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

38
tests/qemu-iotests/131.out
View File

@ -26,6 +26,44 @@ read 524288/524288 bytes at offset 0
Repairing image was not closed correctly
read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== check discard ==
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)
Offset Length File
0 0x200000 TEST_DIR/t.IMGFMT
discard 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 simple allocation over the discarded hole ==
wrote 1048576/1048576 bytes at offset 2097152
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0x100000 0x100000 TEST_DIR/t.IMGFMT
0x200000 0x100000 TEST_DIR/t.IMGFMT
read 1048576/1048576 bytes at offset 2097152
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== check more complex allocation over the discard hole ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
discard 1048576/1048576 bytes at offset 2097152
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 1048576/1048576 bytes at offset 524288
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Offset Length File
0 0x100000 TEST_DIR/t.IMGFMT
0x100000 0x100000 TEST_DIR/t.IMGFMT
0x300000 0x100000 TEST_DIR/t.IMGFMT
read 1048576/1048576 bytes at offset 524288
1 MiB, 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 1572864
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