last_keepalive_ack 320 include/linux/ceph/messenger.h struct timespec64 last_keepalive_ack; /* keepalive2 ack stamp */ last_keepalive_ack 2560 net/ceph/messenger.c ceph_decode_timespec64(&con->last_keepalive_ack, &ceph_ts); last_keepalive_ack 3239 net/ceph/messenger.c ts = timespec64_add(con->last_keepalive_ack, ts);