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qemu-iotests: New test case in 061

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Add one test case for zero cluster expansion on qcow2 version downgrade
in shared L2 tables (i.e., L2 tables with a refcount > 1) and one for
zero expansion on backed clusters in shared L2 tables.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2013-09-05 10:55:54 +02:00 committed by Kevin Wolf
parent fd9c577b24
commit d982919d38
2 changed files with 55 additions and 0 deletions
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28
tests/qemu-iotests/061
View File

@ -145,6 +145,19 @@ $QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on shared L2 table ==="
echo
IMGOPTS="compat=1.1" _make_test_img 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on backed image ==="
echo
@ -172,6 +185,21 @@ $QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing zero expansion on backed image with shared L2 table ==="
echo
IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M
$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
IMGOPTS="compat=1.1,backing_file=$TEST_IMG.base" _make_test_img 64M
$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -c foo "$TEST_IMG"
$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG snapshot -a foo "$TEST_IMG"
_check_test_img
$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full

27
tests/qemu-iotests/061.out
View File

@ -312,6 +312,18 @@ No errors were found on the image.
read 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing zero expansion on shared L2 table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing zero expansion on backed image ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
@ -346,4 +358,19 @@ read 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing zero expansion on backed image with shared L2 table ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
wrote 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
read 131072/131072 bytes at offset 0
128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done