It's been confusing for a long time that EC pools are implemented by
ReplicatedPG. What PG/ReplicatedPG really implement is the concept
of a PG where consistency is managed by the primary via a log.
Signed-off-by: Samuel Just <sjust@redhat.com>
The decision to discard an op happens either in OSD or in PG.
The operation queue goes to a single OpWQ object if waiting_map does not impose a delay op_queue.
The decision to add an op to a waiting queue regardless of its type is updated.
The decision to add a CEPH_MSG_OSD_OP to a waiting queue is described in full.
http://tracker.ceph.com/issues/5058 refs #5058
Signed-off-by: Loic Dachary <loic@dachary.org>