block: get type of block allocation in commit_run

bdrv_co_common_block_status_above not only returns whether the block is
allocated, but also if it contains zeroes.

Signed-off-by: Vincent Vanlaer <libvirt-e6954efa@volkihar.be>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20241026163010.2865002-2-libvirt-e6954efa@volkihar.be>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
1 file changed