[LU-3781] Atomically update MDT exp_connect_data

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.4.1, Lustre 2.5.0
• Labels: patch
• Severity: 3
• Assignee: Niu Yawei (Inactive)
• Reporter: Andriy Skulysh

Description

exp_connect_data is copied again in mdt_connect_internal()
it was changed by 92c24af6c7c9d0836bf866975bc0a1d641a4a815