[LU-6805] at_init is not safe to use anywhere but on initialization

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.8.0
• Labels: patch
• Severity: 3
• Assignee: WC Triage
• Reporter: Vladimir Saveliev

Description

at_init() modifies part of struct adaptive_timeout without taking at_lock. That makes it unsafe to be used anywhere but on creation time.
That is at_init() should not be used in ptlrpc_connect_interpret() and in ptlrpc_service_part_init().