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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
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@ -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