lru_ttl 45 include/linux/ceph/osd_client.h unsigned long lru_ttl; lru_ttl 1280 net/ceph/osd_client.c osd->lru_ttl = jiffies + osdc->client->options->osd_idle_ttl; lru_ttl 3370 net/ceph/osd_client.c if (time_before(jiffies, osd->lru_ttl))