[LU-5538] Allow the use of changelog traces

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.7.0
• Labels: patch
• Assignee: James Nunez (Inactive)
• Reporter: Henri Doreau (Inactive)

Description

The MDC code contains several CDEBUG statements labelled as D_CHANGELOG, though it isn't possible to control D_CHANGELOG traces like the other ones since the macro is only defined in mdc_request.c, as 0.