On 17.03.20 19:16, Alberto Garcia wrote:
> The logic of this function remains pretty much the same, except that
> it uses count_contiguous_subclusters(), which combines the logic of
> count_contiguous_clusters() / count_contiguous_clusters_unallocated()
> and checks individual subclusters.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
>  block/qcow2.h         |  38 +++++------
>  block/qcow2-cluster.c | 143 +++++++++++++++++++++---------------------
>  2 files changed, 85 insertions(+), 96 deletions(-)

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

(Oops, totally missed the L1 entry out of bounds / L1 entry empty part
in v3.)