Re: [PATCH v9 33/34] qcow2: Assert that expand_zero_clusters_in_l1() does not support subclusters

[Max Reitz]

On 28.06.20 13:02, Alberto Garcia wrote:
> This function is only used by qcow2_expand_zero_clusters() to
> downgrade a qcow2 image to a previous version. This would require
> transforming all extended L2 entries into normal L2 entries but this
> is not a simple task and there are no plans to implement this at the
> moment.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>
> ---
>  block/qcow2-cluster.c      | 8 +++++++-
>  tests/qemu-iotests/061     | 6 ++++++
>  tests/qemu-iotests/061.out | 5 +++++
>  3 files changed, 18 insertions(+), 1 deletion(-)

Reviewed-by: Max Reitz <mreitz@redhat.com>

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