SERVER-36315 Don't keep trying to unlock distlocks after CSRS stepdown

(cherry picked from commit 3197ace779d6e0f023bff9e39bd80e17e3c4790d)

1 files changed, 4 insertions, 1 deletions

diff --git a/src/mongo/s/catalog/replset_dist_lock_manager.cpp b/src/mongo/s/catalog/replset_dist_lock_manager.cpp
index 81bef3cfa13..890f4b839f3 100644
--- a/src/mongo/s/catalog/replset_dist_lock_manager.cpp
+++ b/src/mongo/s/catalog/replset_dist_lock_manager.cpp
@@ -168,7 +168,10 @@ void ReplSetDistLockManager::doTask() {
                 if (!unlockStatus.isOK()) {
                     warning() << "Failed to unlock lock with " << LocksType::lockID() << ": "
                               << toUnlock.first << nameMessage << causedBy(unlockStatus);
-                    queueUnlock(toUnlock.first, toUnlock.second);
+                    // Queue another attempt, unless the problem was no longer being primary.
+                    if (unlockStatus != ErrorCodes::NotMaster) {
+                        queueUnlock(toUnlock.first, toUnlock.second);
+                    }
                 } else {
                     LOG(0) << "distributed lock with " << LocksType::lockID() << ": "
                            << toUnlock.first << nameMessage << " unlocked.";