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Re: [Qemu-devel] Semantics of DeviceState::realized and BlockDriverState


From: Paolo Bonzini
Subject: Re: [Qemu-devel] Semantics of DeviceState::realized and BlockDriverState
Date: Wed, 13 Jun 2012 14:55:53 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0

Il 13/06/2012 14:53, Markus Armbruster ha scritto:
>> > This behavior is necessary to allow overriding backing files.
> Could you explain why we need to override backing files between open and
> attach?

Open tells us that you need a backing file.

After attach, state should be finalized.

Hence, between open and attach is the only time when you can override
backing files.

> Can you give another example of something we need to be able to do
> between open and attach?

I can't think of anything.

Paolo



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