diff options
| author | Alberto Garcia <berto@igalia.com> | 2020-09-11 16:09:41 +0200 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2020-09-15 11:30:36 +0200 |
| commit | 8e958260c5a562f3be08beef2055975c04836200 (patch) | |
| tree | 285ff3263c213a71f082f2907f6b36a815a104c5 /tests/qemu-iotests/125.out | |
| parent | c1dadda02ca62823d5ee21dc6435d593c3993d32 (diff) | |
qcow2: Make preallocate_co() resize the image to the correct size
This function preallocates metadata structures and then extends the
image to its new size, but that new size calculation is wrong because
it doesn't take into account that the host_offset variable is always
cluster-aligned.
This problem can be reproduced with preallocation=metadata when the
original size is not cluster-aligned but the new size is. In this case
the final image size will be shorter than expected.
qemu-img create -f qcow2 img.qcow2 31k
qemu-img resize --preallocation=metadata img.qcow2 128k
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-Id: <adeb8b059917b141d5f5b3bd2a016262d3052c79.1599833007.git.berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
[mreitz: Mark compat=0.10 unsupported for iotest 125]
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests/qemu-iotests/125.out')
| -rw-r--r-- | tests/qemu-iotests/125.out | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/tests/qemu-iotests/125.out b/tests/qemu-iotests/125.out index 7f76f7af20..63a6e9e8a9 100644 --- a/tests/qemu-iotests/125.out +++ b/tests/qemu-iotests/125.out @@ -768,11 +768,35 @@ wrote 81920/81920 bytes at offset 2048000 80 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=131072 ---- Resizing image from 31k to 96k --- +--- Resizing image from 31k to 96k (preallocation=metadata) --- Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=31744 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Image resized. ---- Resizing image from 33k to 96k --- +--- Resizing image from 31k to 96k (preallocation=full) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=31744 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 31k to 128k (preallocation=metadata) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=31744 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 31k to 128k (preallocation=full) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=31744 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 33k to 96k (preallocation=metadata) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33792 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 33k to 96k (preallocation=full) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33792 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 33k to 128k (preallocation=metadata) --- +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33792 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw +Image resized. + +--- Resizing image from 33k to 128k (preallocation=full) --- Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33792 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw Image resized. |