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Date: Tue, 14 Jul 2015 14:21:19 +0100
From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] [PATCH 3/3] mirror: Speed up bitmap initial
	scanning
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To: Fam Zheng <famz@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Jeff Cody <jcody@redhat.com>, qemu-devel@nongnu.org, qemu-block@nongnu.org


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On Thu, Jul 09, 2015 at 11:47:58AM +0800, Fam Zheng wrote:
> Limiting to sectors_per_chunk for each bdrv_is_allocated_above is slow,
> because the underlying protocol driver would issue much more queries
> than necessary. We should coalesce the query.
>=20
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/mirror.c | 15 ++++++---------
>  1 file changed, 6 insertions(+), 9 deletions(-)

Thanks, applied Patch 3 to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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