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Date: Thu, 26 May 2016 14:50:45 +0800
From: Fam Zheng <famz@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH V2] block/io: optimize bdrv_co_pwritev for
 small requests
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To: Peter Lieven <pl@kamp.de>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, kwolf@redhat.com, stefanha@redhat.com, mreitz@redhat.com

On Tue, 05/24 16:30, Peter Lieven wrote:
> in a read-modify-write cycle a small request might cause
> head and tail to fall into the same aligned block. Currently
> QEMU reads the same block twice in this case which is
> not necessary.
> 
> Signed-off-by: Peter Lieven <pl@kamp.de>

Thanks, applied to my block branch:

https://github.com/famz/qemu/tree/block