[LU-18038] llog improvement- removing dt_record_write(tail) for every record adding

• Type: Improvement
• Resolution: Unresolved
• Priority: Minor
• Affects Version/s: Lustre 2.16.0
• Labels: patch
• Severity: 3
• Assignee: Alexander Boyko
• Reporter: Alexander Boyko

Description

llog_osd_write_rec(...LLOG_NEXT_IDX..) has 3 operation for llog header modification

dt_record_write(main header)

dt_record_write(part of bitmap 1 byte)

dt_record_write(tail)

 

The last dt_record_write() could be removed with a changing llog_header format, if tail moves to a main header.