Re: [Qemu-devel] [PATCH v4 2/5] qcow2-cluster: Expand zero clusters

2013-09-03 Thread Max Reitz
Am 02.09.2013 17:13, schrieb Kevin Wolf: Am 02.09.2013 um 12:04 hat Max Reitz geschrieben: 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 clus

Re: [Qemu-devel] [PATCH v4 2/5] qcow2-cluster: Expand zero clusters

2013-09-02 Thread Kevin Wolf
Am 02.09.2013 um 12:04 hat Max Reitz geschrieben: > 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 th

[Qemu-devel] [PATCH v4 2/5] qcow2-cluster: Expand zero clusters

2013-09-02 Thread Max Reitz
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 --- block/qcow2-cluster.c |