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Re: [RFC PATCH v3 07/27] qcow2: Add subcluster-related fields to BDRVQco
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From: |
Max Reitz |
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Subject: |
Re: [RFC PATCH v3 07/27] qcow2: Add subcluster-related fields to BDRVQcow2State |
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Date: |
Thu, 20 Feb 2020 17:15:12 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 |
On 22.12.19 12:36, Alberto Garcia wrote:
> This patch adds the following new fields to BDRVQcow2State:
>
> - subclusters_per_cluster: Number of subclusters in a cluster
> - subcluster_size: The size of each subcluster, in bytes
> - subcluster_bits: No. of bits so 1 << subcluster_bits = subcluster_size
>
> Images without subclusters are treated as if they had exactly one,
> with subcluster_size = cluster_size.
>
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
> block/qcow2.c | 5 +++++
> block/qcow2.h | 5 +++++
> 2 files changed, 10 insertions(+)
Reviewed-by: Max Reitz <address@hidden>
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