revive v1.3.7 added https://github.com/mgechev/revive/pull/966 which
checks for unused parameters in function literals. This caused several
lint errors in go-ceph code.
Signed-off-by: Manish <myathnal@redhat.com>
* Add GroupSnapRollbackWithProgress implementing rbd_group_snap_rollback_with_progress
This has supporting code basically the same as our other existing
callback functions.
Tests too.
Signed-off-by: John Mulligan <jmulligan@redhat.com>