On 28.06.20 13:02, Alberto Garcia wrote: > Extended L2 entries are 128-bit wide: 64 bits for the entry itself and > 64 bits for the subcluster allocation bitmap. > > In order to support them correctly get/set_l2_entry() need to be > updated so they take the entry width into account in order to > calculate the correct offset. > > This patch also adds the get/set_l2_bitmap() functions that are > used to access the bitmaps. For convenience we allow calling > get_l2_bitmap() on images without subclusters. In this case the > returned value is always 0 and has no meaning. > > Signed-off-by: Alberto Garcia <be...@igalia.com> > Reviewed-by: Eric Blake <ebl...@redhat.com> > --- > block/qcow2.h | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+)
Reviewed-by: Max Reitz <mre...@redhat.com>
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