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Re: [Qemu-devel] [PATCH v10] spec: add qcow2 bitmaps extension specifica
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From: |
Max Reitz |
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Subject: |
Re: [Qemu-devel] [PATCH v10] spec: add qcow2 bitmaps extension specification |
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Date: |
Sat, 6 Feb 2016 15:24:42 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
On 05.02.2016 09:58, Vladimir Sementsov-Ogievskiy wrote:
> The new feature for qcow2: storing bitmaps.
>
> This patch adds new header extension to qcow2 - Bitmaps Extension. It
> provides an ability to store virtual disk related bitmaps in a qcow2
> image. For now there is only one type of such bitmaps: Dirty Tracking
> Bitmap, which just tracks virtual disk changes from some moment.
>
> Note: Only bitmaps, relative to the virtual disk, stored in qcow2 file,
> should be stored in this qcow2 file. The size of each bitmap
> (considering its granularity) is equal to virtual disk size.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
[...]
> docs/specs/qcow2.txt | 221
> ++++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 220 insertions(+), 1 deletion(-)
Reviewed-by: Max Reitz <address@hidden>
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