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Re: [Qemu-block] [PATCH v2] block: maintain persistent disabled bitmaps

From: Max Reitz
Subject: Re: [Qemu-block] [PATCH v2] block: maintain persistent disabled bitmaps
Date: Fri, 2 Feb 2018 16:23:06 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

On 2018-02-02 16:18, Vladimir Sementsov-Ogievskiy wrote:
> 31.01.2018 22:04, Max Reitz wrote:
>> On 2018-01-29 19:43, Max Reitz wrote:
>>> On 2018-01-22 11:41, Vladimir Sementsov-Ogievskiy wrote:
>>>> To maintain load/store disabled bitmap there is new approach:
>>>>   - deprecate @autoload flag of block-dirty-bitmap-add, make it ignored
>>>>   - store enabled bitmaps as "auto" to qcow2
>>>>   - store disabled bitmaps without "auto" flag to qcow2
>>>>   - on qcow2 open load "auto" bitmaps as enabled and others
>>>>     as disabled (except in_use bitmaps)
>>>> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
>>>> Reviewed-by: John Snow <address@hidden>
>>>> ---
>>> Thanks, looks very reasonable.  Applied to my block branch:
>>> https://github.com/XanClic/qemu/commits/block
>> ...aaand I've only just now seen that iotest 176 will need to be fixed
>> along with this, so I'm going to unqueue this patch for now.
> ohh, sorry for that. Will resend today.
>> And when I'm already at it: Should we add deprecation information to
>> qemu-doc.texi?
> didn't find anything in qemu-doc.texi about dirty bitmaps, so I think, no.

I mean in the "Deprecated features" appendix.  I think whenever we
deprecate something, it should be noted there (as far as I've understood).

(Also on the Wiki, I think.)

> Is there a way to generate some documentation files from qapi comments?
> Where is it?

There is docs/interop/qemu-qmp-qapi.texi in the build directory.


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