diff options
| author | Anthony Liguori <aliguori@us.ibm.com> | 2010-12-17 15:58:22 +0000 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2011-04-13 12:06:41 +0200 |
| commit | 21df65b6444858ddee3a86d8666571bb41695614 (patch) | |
| tree | 142793b8ae8e6fef8b1aa412cf39e2340091fdf9 /block/qcow2-cluster.c | |
| parent | d54f10bba7635b5ad8b750afd2bb2f0f8eb68b45 (diff) | |
qed: Add support for zero clusters
Zero clusters are similar to unallocated clusters except instead of reading
their value from a backing file when one is available, the cluster is always
read as zero.
This implements read support only. At this stage, QED will never write a
zero cluster.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
0 files changed, 0 insertions, 0 deletions