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Re: [Qemu-block] [PATCH v6 14/22] mirror: Disable image locking on targe

From: Max Reitz
Subject: Re: [Qemu-block] [PATCH v6 14/22] mirror: Disable image locking on target backing chain
Date: Mon, 6 Jun 2016 17:03:49 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

On 03.06.2016 10:49, Fam Zheng wrote:
> In sync=none the backing image of s->target is s->common.bs, which could
> be exclusively locked, the image locking wouldn't work here.
> Later we can update completion code to lock it after the replaced node
> has dropped its lock.
> Signed-off-by: Fam Zheng <address@hidden>
> ---
>  blockdev.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)

Without having reviewed the patch in the new context, when basing your
series on v2 of my "block/mirror: Fix target backing BDS​", all iotests
pass even without this patch.

Without my series, test 041 fails.

So I have reason to hope that I was actually able to make this patch


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