[libvirt] [PATCH 1/1] dirty-bitmaps: remove deprecated autoload parameter

Vladimir Sementsov-Ogievskiy vsementsov at virtuozzo.com
Wed Sep 25 13:43:04 UTC 2019


25.09.2019 16:01, John Snow wrote:
> 
> 
> On 9/25/19 3:20 AM, Vladimir Sementsov-Ogievskiy wrote:
>> 25.09.2019 2:01, John Snow wrote:
>>> This parameter has been deprecated since 2.12.0 and is eligible for
>>> removal. Remove this parameter as it is actually completely ignored;
>>> let's not give false hope.
>>>
>>> Signed-off-by: John Snow <jsnow at redhat.com>
>>> ---
>>>    qemu-deprecated.texi | 20 +++++++++++++++-----
>>>    qapi/block-core.json |  6 +-----
>>>    blockdev.c           |  6 ------
>>>    3 files changed, 16 insertions(+), 16 deletions(-)
>>>
>>> diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
>>> index 01245e0b1c..d60246d5d6 100644
>>> --- a/qemu-deprecated.texi
>>> +++ b/qemu-deprecated.texi
>>> @@ -149,11 +149,6 @@ QEMU 4.1 has three options, please migrate to one of these three:
>>>    
>>>    @section QEMU Machine Protocol (QMP) commands
>>>    
>>> - at subsection block-dirty-bitmap-add "autoload" parameter (since 2.12.0)
>>> -
>>> -"autoload" parameter is now ignored. All bitmaps are automatically loaded
>>> -from qcow2 images.
>>> -
>>>    @subsection query-block result field dirty-bitmaps[i].status (since 4.0)
>>>    
>>>    The ``status'' field of the ``BlockDirtyInfo'' structure, returned by
>>> @@ -356,3 +351,18 @@ existing CPU models.  Management software that needs runnability
>>>    guarantees must resolve the CPU model aliases using te
>>>    ``alias-of'' field returned by the ``query-cpu-definitions'' QMP
>>>    command.
>>> +
>>> +
>>> + at node Recently removed features
>>> + at appendix Recently removed features
>>> +
>>> +What follows is a record of recently removed, formerly deprecated
>>> +features that serves as a record for users who have encountered
>>> +trouble after a recent upgrade.
>>> +
>>> + at section QEMU Machine Protocol (QMP) commands
>>> +
>>> + at subsection block-dirty-bitmap-add "autoload" parameter (since 2.12.0)
>>
>> Agree with Eric that it should be 4.2 - as this section is about removing
>>
> 
> Yes, shame on me. I spent about three seconds on this patch and should
> have spent four.
> 
>>> +
>>> +"autoload" parameter is now ignored. All bitmaps are automatically loaded
>>> +from qcow2 images.
>>
>> Maybe, rephrase it as s/is now ignored/is now removed (ignored since 2.12.0)/ ,
>> so that this paragraph don't mislead without a context.
>>
> 
> Also a good idea.
> 
> 'The "autoload" parameter has been ignored since 2.12.0. All bitmaps are
> automatically loaded from qcow2 images.'

OK

> 
>> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov at virtuozzo.com>
>>
>> (Yay, deprecation works!)
>>
> 
> Thanks, and I'll get to the rest of your pending bitmap patches and
> cleanups soon.
> 


That's great!


-- 
Best regards,
Vladimir




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