Re: [Qemu-block] [Qemu-devel] [PATCH v11 2/3] qemu-img info lists bitmap directory entries

[Eric Blake]

On 2/5/19 8:28 AM, Kevin Wolf wrote:

>> How about the following:
>>
>> @in-use: This flag is set while bitmap is in use by software and it's data in
>> qcow2 image may be out of date when actual bitmap data is managed by 
>> software.
>> Presence of this flag in offline image means that bitmap was not saved 
>> correctly
>> after last usage and it's data may be inconsistent.
> 
> Yes, I think this has the information it needs to have.
> 
> It needs some spelling and grammar fixes, but before I make them, I'll
> wait if Eric would phrase it in a different way that sounds more natural
> to him as a native speaker.

@in-use: This flag is set by any process actively modifying the qcow2
file, and cleared when the updated bitmap is flushed to the qcow2 image.
Presence of this flag in an offline image means that the bitmap was not
saved correctly after its last usage, and may contain inconsistent data.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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