Re: [PATCH 6/6] kbase: incrementalbackupinternals: Describe 'block commit'

oVirt does merge images out of libvirt in some cases. Add docs outlining how it's done from a high level. Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- docs/kbase/incrementalbackupinternals.rst | 37 +++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/docs/kbase/incrementalbackupinternals.rst b/docs/kbase/incrementalbackupinternals.rst index 9a96ef6df3..e50bf52e89 100644 --- a/docs/kbase/incrementalbackupinternals.rst +++ b/docs/kbase/incrementalbackupinternals.rst @@ -245,3 +245,40 @@ the snapshot. continue create RECORDING bitmap named BITMAP in OVERLAY with GRANULARITY + +Commiting external snapshots manually

+------------------------------------- + +``block commit`` refers to an operation where data from a subchain of the +backing chain is merged down into the backing image of the subchain removing all +images in the subchain .