Re: [PATCH 0/6] qemu-img: rebase: add compression support

[Andrey Drobyshev]

On 8/16/23 12:22, Andrey Drobyshev wrote:
> On 7/31/23 17:43, Andrey Drobyshev wrote:
>> On 7/24/23 16:11, Andrey Drobyshev wrote:
>>> On 6/30/23 13:54, Denis V. Lunev wrote:
>>>> On 6/1/23 21:28, Andrey Drobyshev wrote:
>>>>> This series is adding [-c | --compress] option to "qemu-img rebase"
>>>>> command, which might prove useful for saving some disk space when, for
>>>>> instance, manipulating chains of backup images.  Along the way I had to
>>>>> make a couple of minor improvements.
>>>>>
>>>>> The first 2 patches are a bug fix + corresponding test case.
>>>>> Patch 3 merely fixes wrong args used in allocation.
>>>>> Patch 4 makes write requests during rebase operation
>>>>> cluster_size-aligned,
>>>>> which seems to be beneficial for both non-compressed and compressed mode.
>>>>> The last 2 patches are the actual feature implementation + tests.
>>>>>
>>>>> Andrey Drobyshev (6):
>>>>>    qemu-img: rebase: stop when reaching EOF of old backing file
>>>>>    qemu-iotests: 024: add rebasing test case for overlay_size >
>>>>>      backing_size
>>>>>    qemu-img: rebase: use backing files' BlockBackend for buffer alignment
>>>>>    qemu-img: rebase: avoid unnecessary COW operations
>>>>>    qemu-img: add compression option to rebase subcommand
>>>>>    iotests: add test 314 for "qemu-img rebase" with compression
>>>>>
>>>>>   docs/tools/qemu-img.rst    |   6 +-
>>>>>   qemu-img-cmds.hx           |   4 +-
>>>>>   qemu-img.c                 | 106 ++++++++++++++++++------
>>>>>   tests/qemu-iotests/024     |  57 +++++++++++++
>>>>>   tests/qemu-iotests/024.out |  30 +++++++
>>>>>   tests/qemu-iotests/314     | 165 +++++++++++++++++++++++++++++++++++++
>>>>>   tests/qemu-iotests/314.out |  75 +++++++++++++++++
>>>>>   7 files changed, 415 insertions(+), 28 deletions(-)
>>>>>   create mode 100755 tests/qemu-iotests/314
>>>>>   create mode 100644 tests/qemu-iotests/314.out
>>>>>
>>>> ping
>>>
>>> Friendly ping after 7 weeks
>>
>> Yet another ping
> 
> One more ping after 12 weeks of silence

One more friendly ping