[LU-15073] A request isn't marked timedout while the deadline has expired already

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: Andriy Skulysh
• Reporter: Andriy Skulysh

Description

crash> ptlrpc_request.rq_timedout,rq_resend,rq_waiting,rq_intr,rq_net_err,rq_replied,rq_err,rq_early_count,rq_phase,rq_sent,rq_deadline,rq_timeout ffff8b8e5a081200
  rq_timedout = 0
  rq_resend = 0
  rq_waiting = 0
  rq_intr = 0
  rq_net_err = 0
  rq_replied = 0
  rq_err = 0
  rq_early_count = 1
  rq_phase = RQ_PHASE_RPC
  rq_sent = 1587003010
  rq_deadline = 1587003053
  rq_timeout = 36

A request is marked timedout only during ptlrpc_expired_set()->ptlrpc_expire_one_request()
or rq_net_err
ptlrpc_expired_set() is called only if corresponding l_wait_event() returned with timeout.
It can newer be called if ptlpcd always has new requests and their replies.