Pivot used to shuffle nodes in the CRUSH tree. This is
required argument. We use container ID value to select
container nodes, so `nil` value produces incorrect placements.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Add numeric return from TaskManager.Reset method that shows the number of
canceled tasks. This values will be used for assessment of the progress of
the audit.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Implement Reset method on audit task manager that cleans task queue.
Extended TaskManager interface with Reset method on IR side. Call Reset
method in audit processor before new audit start.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
