[LU-2219] so_hpreq_handler is set twice for the ost_io service

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.4.0
• Labels: patch
• Severity: 3
• Assignee: Nathaniel Clark
• Reporter: Nikitas Angelinas

Description

ptlrpc_service_conf.psc_ops.so_hpreq_handler is set twice for the ost_io service in ost_setup(); the second assignment overwrites the first to NULL, so ost_io threads would never handle RPCs as high-priority ones