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Re: [Qemu-devel] [Qemu-block] [PATCH] block/mirror: Sleep periodically d
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH] block/mirror: Sleep periodically during bitmap scanning |
Date: |
Mon, 15 Jun 2015 17:35:16 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Wed, May 13, 2015 at 11:11:13AM +0800, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command would return. That may take very long, and guest IO will be
> blocked.
>
> Add sleep points like the later mirror iterations.
>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/mirror.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
Ping for Jeff
Reviewed-by: Stefan Hajnoczi <address@hidden>
pgpmuYscmwhCW.pgp
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