[LU-14926] enhance llog_reader to print unlink and setattr records

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.15.0
• Severity: 3
• Assignee: Alexander Zarochentsev
• Reporter: Alexander Zarochentsev

Description

llog_reader doesn't know llog records from MDT->OST unlink log:

Header size : 8192
Time : Sun May 23 16:26:06 2021
Number of records: 3690
Target uuid : 
-----------------------
#39812 (088)unknown type 10692401
#39814 (088)unknown type 10692401
#39818 (088)unknown type 10692401
#39819 (088)unknown type 10692401