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Nils Goroll authored
When we hit an FCO for which we could not lock the varnish object (oc), we inserted that FCO at the end of the LRU list, and restarted at the first. But if that FCO was the only one, we would find ourselves in an infinite loop. We now put a marker segment on the LRU for the time we need to let go of the lru lock and continue at that marker.