osd/PG: handle RecoveryReservationRejected in RepWaitRecoveryReserved

This state is analogous to RepWaitBackfillReserved; just like we do there
we want to handle the REJECT from the primary by canceling our local
remote_reservation.

Signed-off-by: Sage Weil <sage@redhat.com>

src/osd/PG.cc

@@ -6459,6 +6459,15 @@ PG::RecoveryState::RepWaitRecoveryReserved::react(const RemoteRecoveryReserved &
   return transit<RepRecovering>();
 }
 
+boost::statechart::result
+PG::RecoveryState::RepWaitRecoveryReserved::react(
+  const RemoteReservationRejected &evt)
+{
+  PG *pg = context< RecoveryMachine >().pg;
+  pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
+  return transit<RepNotRecovering>();
+}
+
 void PG::RecoveryState::RepWaitRecoveryReserved::exit()
 {
   context< RecoveryMachine >().log_exit(state_name, enter_time);

src/osd/PG.h

@@ -2001,11 +2001,13 @@ class PG : public DoutPrefixProvider {
 
     struct RepWaitRecoveryReserved : boost::statechart::state< RepWaitRecoveryReserved, ReplicaActive >, NamedState {
       typedef boost::mpl::list<
-	boost::statechart::custom_reaction< RemoteRecoveryReserved >
+	boost::statechart::custom_reaction< RemoteRecoveryReserved >,
+	boost::statechart::custom_reaction< RemoteReservationRejected >
 	> reactions;
       explicit RepWaitRecoveryReserved(my_context ctx);
       void exit();
       boost::statechart::result react(const RemoteRecoveryReserved &evt);
+      boost::statechart::result react(const RemoteReservationRejected &evt);
     };
 
     struct RepNotRecovering : boost::statechart::state< RepNotRecovering, ReplicaActive>, NamedState {