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Re: [Qemu-block] [Qemu-devel] [PATCH] mirror: add sync mode incremental

From: John Snow
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH] mirror: add sync mode incremental to drive-mirror and blockdev-mirror
Date: Thu, 11 May 2017 14:43:33 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.0

On 05/11/2017 02:35 PM, Stefan Hajnoczi wrote:
> Daniel's proposed patch isn't large or invasive.  The QMP interface is
> consistent with the backup block job's sync=bitmap mode, it's a logical
> extension.
> If the concerns about the bitmap lifecycle are addressed and a test case
> is included then I don't see anything preventing this patch from being
> merged.
I agree.

Daniel, I'm preoccupied with some other tasks at the moment, but I will
look over your patch again with an eye for how the bitmap data is
handled on failure cases. Once we agree on a design, we'll need some
basic tests (a success case, and one for each type of unique failure
path) and then we're good to go.


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