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Re: [Qemu-devel] [PATCH v2 3/5] vmdk: Add option to create zeroed-grain
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH v2 3/5] vmdk: Add option to create zeroed-grain image |
Date: |
Mon, 22 Apr 2013 16:06:27 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Apr 22, 2013 at 10:07:57AM +0800, Fam Zheng wrote:
> Add image create option "zeroed-grain" to enable zeroed-grain GTE
> feature of vmdk sparse extents. When this option is on, header version
> of newly created extent will be 2 and VMDK4_FLAG_ZG flag bit will be
> set.
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/vmdk.c | 22 +++++++++++++++++-----
> 1 file changed, 17 insertions(+), 5 deletions(-)
Is there a way to upgrade an image file to use zeroed-grain GTEs once
the file has been created?
Stefan