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Date: Mon, 3 Mar 2014 16:00:37 +0100
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20140303150037.GH21055@stefanha-thinkpad.redhat.com>
References: <cover.1393554457.git.hutao@cn.fujitsu.com>
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In-Reply-To: <cover.1393554457.git.hutao@cn.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH v6 0/4] qemu-img: add preallocation=full
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To: Hu Tao <hutao@cn.fujitsu.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Peter Lieven <pl@kamp.de>, Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>

On Fri, Feb 28, 2014 at 10:29:29AM +0800, Hu Tao wrote:
> This series implements full image preallocation to create a non-sparse image
> file at creation time, both for raw and qcow2 format. The purpose is to avoid
> performance deterioration of the guest cause by sparse image.
> 
> v6:
>   - add `Since 2.0' to PreallocMode 
>   - apply total_size change to raw-win32.c as well
> 
> Hu Tao (4):
>   qapi: introduce PreallocMode and a new PreallocMode full.
>   raw, qcow2: don't convert file size to sector size
>   raw-posix: Add full image preallocation option
>   qcow2: Add full image preallocation option
> 
>  block/qcow2.c     | 91 ++++++++++++++++++++++++++++++++++++++++++++++++-------
>  block/raw-posix.c | 45 +++++++++++++++++++++------
>  block/raw-win32.c |  4 +--
>  qapi-schema.json  | 14 +++++++++
>  4 files changed, 132 insertions(+), 22 deletions(-)

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>