Eric Blake 74ca70507a backup: Introduce virDomainBackup APIs ... Introduce a few new public APIs related to incremental backups. This builds on the previous notion of a checkpoint (without an existing checkpoint, the new API is a full backup, differing from virDomainBlockCopy in the point of time chosen and in operation on multiple disks at once); and also allows creation of a new checkpoint at the same time as starting the backup (after all, an incremental backup is only useful if it covers the state since the previous backup). A backup job also affects filtering a listing of domains, as well as adding event reporting for signaling when a push model backup completes (where the hypervisor creates the backup); note that the pull model does not have an event (starting the backup lets a third party access the data, and only the third party knows when it is finished). The full list of new APIs: virDomainBackupBegin; virDomainBackupGetXMLDesc; Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>		2019-12-10 12:41:56 +01:00
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libvirt	backup: Introduce virDomainBackup APIs	2019-12-10 12:41:56 +01:00