On 28.06.20 13:02, Alberto Garcia wrote: > There are situations in which we want to know how many contiguous > subclusters of the same type there are in a given cluster. This can be > done by simply iterating over the subclusters and repeatedly calling > qcow2_get_subcluster_type() for each one of them. > > However once we determined the type of a subcluster we can check the > rest efficiently by counting the number of adjacent ones (or zeroes) > in the bitmap. This is what this function does. > > Signed-off-by: Alberto Garcia <be...@igalia.com> > Reviewed-by: Eric Blake <ebl...@redhat.com> > --- > block/qcow2-cluster.c | 51 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 51 insertions(+)
Reviewed-by: Max Reitz <mre...@redhat.com>
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