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Re: [Qemu-devel] [PATCH] Further tidy-up on block status

From: Vladimir Sementsov-Ogievskiy
Subject: Re: [Qemu-devel] [PATCH] Further tidy-up on block status
Date: Fri, 13 Jan 2017 12:48:38 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0

12.01.2017 16:11, Alex Bligh wrote:
On 12 Jan 2017, at 07:05, Vladimir Sementsov-Ogievskiy <address@hidden> wrote:

Yes this is better. But is it actually needed to force contexts have some safe 
default? If context wants it may define such default without this requirement.. 
So, should it be requirement at all?
I've changed this to:

     of the file), a server MAY reply with a single block status
     descriptor with *length* matching the requested length, rather than
     reporting the error; in this case the context MAY mandate the
     status returned.

Hmm, I don't understand. So, it MAY mandate and therefore MAY NOT do it? And what client should think, if server replies with one chunk matching the request length and not mandate the status?

Best regards,

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