tree 423a268eaa2281d71e0d7d1d75ade22e153510aa
parent e7108feaace8e02b3a4bf010448fc2744f753381
author Max Reitz <mreitz@redhat.com> 1378195792 +0200
committer Kevin Wolf <kwolf@redhat.com> 1378973566 +0200

qcow2-cluster: Expand zero clusters

Add functionality for expanding zero clusters. This is necessary for
downgrading the image version to one without zero cluster support.

For non-backed images, this function may also just discard zero clusters
instead of truly expanding them.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>