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Re: [Qemu-devel] [PATCH v12 2/3] quorum: implement bdrv_add_child() and

From: Max Reitz
Subject: Re: [Qemu-devel] [PATCH v12 2/3] quorum: implement bdrv_add_child() and bdrv_del_child()
Date: Tue, 29 Mar 2016 17:38:16 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0

On 17.03.2016 10:56, Wen Congyang wrote:
> On 03/17/2016 05:48 PM, Dr. David Alan Gilbert wrote:


>> The children.0 notation is really confusing in the way that Berto
>> describes; I hit this a couple of months ago and it really doesn't
>> make sense.
> Do you mean: read from children.1 first, and then read from children.0 in
> fifo mode? Yes, the behavior is very strange.

So is this intended or is it not? In
you said that it is.

I myself would indeed say it is very strange. If I were a user, I would
not expect this behavior. And as I developer, I think that how a BDS's
child is used by its parent should solely depend on its role (e.g.
whether it is "children.0" or "children.1").


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