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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Fam Zheng <famz@redhat.com>
Cc: kwolf@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com
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	[thread overview]
Message-ID: <20130422140627.GH21317@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1366596479-22212-4-git-send-email-famz@redhat.com>

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 <famz@redhat.com>
> ---
>  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

  reply	other threads:[~2013-04-22 14:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-22  2:07 [Qemu-devel] [PATCH v2 0/5] vmdk: zeroed-grain GTE support Fam Zheng
2013-04-22  2:07 ` [Qemu-devel] [PATCH v2 1/5] vmdk: named return code Fam Zheng
2013-04-22  2:07 ` [Qemu-devel] [PATCH v2 2/5] vmdk: add support for “zeroed‐grain” GTE Fam Zheng
2013-04-22  2:07 ` [Qemu-devel] [PATCH v2 3/5] vmdk: Add option to create zeroed-grain image Fam Zheng
2013-04-22 14:06   ` Stefan Hajnoczi [this message]
2013-04-23  0:52     ` Fam Zheng
2013-04-23  7:00       ` Stefan Hajnoczi
2013-04-22  2:07 ` [Qemu-devel] [PATCH v2 4/5] vmdk: change magic number to macro Fam Zheng
2013-04-22  2:07 ` [Qemu-devel] [PATCH v2 5/5] vmdk: add bdrv_co_write_zeroes Fam Zheng
2013-04-22 14:49   ` Stefan Hajnoczi

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