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osd/PG: handle racy preemption

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If we finish recovery/backfill and go active, but also get
preempted at the same time, we can ignore the event.

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2017-09-21 12:37:13 -04:00
parent a8534cce1a
commit d8c3756d26
1 changed files with 18 additions and 2 deletions

20
src/osd/PG.h
View File

@ -1846,7 +1846,9 @@ public:
boost::statechart::custom_reaction< MNotifyRec >,
boost::statechart::custom_reaction< MLogRec >,
boost::statechart::custom_reaction< Backfilled >,
boost::statechart::custom_reaction< AllReplicasActivated >
boost::statechart::custom_reaction< AllReplicasActivated >,
boost::statechart::custom_reaction< DeferRecovery >,
boost::statechart::custom_reaction< DeferBackfill >
> reactions;
boost::statechart::result react(const QueryState& q);
boost::statechart::result react(const ActMap&);
@ -1858,6 +1860,12 @@ public:
return discard_event();
}
boost::statechart::result react(const AllReplicasActivated&);
boost::statechart::result react(const DeferRecovery& evt) {
return discard_event();
}
boost::statechart::result react(const DeferBackfill& evt) {
return discard_event();
}
};
struct Clean : boost::statechart::state< Clean, Active >, NamedState {
@ -1951,7 +1959,9 @@ public:
boost::statechart::custom_reaction< MQuery >,
boost::statechart::custom_reaction< MInfoRec >,
boost::statechart::custom_reaction< MLogRec >,
boost::statechart::custom_reaction< Activate >
boost::statechart::custom_reaction< Activate >,
boost::statechart::custom_reaction< DeferRecovery >,
boost::statechart::custom_reaction< DeferBackfill >
> reactions;
boost::statechart::result react(const QueryState& q);
boost::statechart::result react(const MInfoRec& infoevt);
@ -1959,6 +1969,12 @@ public:
boost::statechart::result react(const ActMap&);
boost::statechart::result react(const MQuery&);
boost::statechart::result react(const Activate&);
boost::statechart::result react(const DeferRecovery& evt) {
return discard_event();
}
boost::statechart::result react(const DeferBackfill& evt) {
return discard_event();
}
};
struct RepRecovering : boost::statechart::state< RepRecovering, ReplicaActive >, NamedState {