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Re: [Qemu-block] [Qemu-devel] [PATCH v2 02/11] blockjob: centralize QMP

From: John Snow
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v2 02/11] blockjob: centralize QMP event emissions
Date: Thu, 6 Oct 2016 14:19:02 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0

On 10/06/2016 02:16 PM, Eric Blake wrote:
On 10/06/2016 11:57 AM, John Snow wrote:
Mirrors "internal bitmaps," too.

I can rig it such that if a job has no ID, it will cease to show up via
query and no longer emit events.

Downside: Whether or not a device is busy or can accept another job
becomes opaque to the management layer.

A bit, but isn't the point of this exercise to ultimately reach the
point where we can support multiple simultaneous jobs, so long as
op-blockers prove the jobs don't collide?

Yes, exactly. It's only a temporary drawback. If libvirt can cope for now, I am happy.

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