== sanity test 160w: lfs changelog --user --mask ========= 00:31:54 (1789446714)
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl28-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl28-u1_160w cl29-u2_160w'
current_index: 500097687
ID                            index (idle) mask
cl28-u1_160w              500097687 (4) mask=MARK,CREAT,UNLNK
cl29-u2_160w              500097687 (1) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097688 01CREAT 04:32:03.164920579 2026.09.15 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] f1
500097690 01CREAT 04:32:03.262412043 2026.09.15 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] f2
500097694 06UNLNK 04:32:03.399334068 2026.09.15 0x1 t=[0x200002341:0x7f43:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] f1
lfs changelog --user --mask (with registered mask)
500097692 02MKDIR 04:32:03.327999250 2026.09.15 0x0 t=[0x200002341:0x7f45:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] d1
500097693 02MKDIR 04:32:03.356991779 2026.09.15 0x0 t=[0x200002341:0x7f46:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] d2
500097695 07RMDIR 04:32:03.445851930 2026.09.15 0x1 t=[0x200002341:0x7f45:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097688 01CREAT 04:32:03.164920579 2026.09.15 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] f1
500097690 01CREAT 04:32:03.262412043 2026.09.15 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.51@tcp p=[0x200002341:0x7f42:0x0] f2
lustre-MDT0000: clear the changelog for cl28-u1_160w of all records
lustre-MDT0000: Deregistered changelog user #28
lustre-MDT0000: clear the changelog for cl29-u2_160w of all records
lustre-MDT0000: Deregistered changelog user #29
lustre-MDT0000: changelog user 'cl29-u2_160w' not found
lustre-MDT0000: changelog user 'cl28-u1_160w' not found