[LU-15858] Enable filename encryption separately from data encryption

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.0
• Affects Version/s: Lustre 2.15.0
• Labels: encryption
• Severity: 3
• Assignee: Sebastien Buisson
• Reporter: Sebastien Buisson

Description

Have a configuration option that enables/disables filename encryption separately from data encryption.
This would allow admins to preserve the behavior of 2.14 (if they have used fscrypt in that context).