Commit d982919d authored by Max Reitz's avatar Max Reitz Committed by Kevin Wolf
Browse files

qemu-iotests: New test case in 061 



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: default avatarMax Reitz <mreitz@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent fd9c577b

tests/qemu-iotests/061

+28 −0
Original line number Diff line number Diff line
@@ -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

tests/qemu-iotests/061.out

+27 −0
Original line number Diff line number Diff line
@@ -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