== sanity test 160w: lfs changelog --user --mask ========= 15:57:15 (1782935835)
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: 500097686
ID                            index (idle) mask
cl28-u1_160w              500097686 (2) mask=MARK,CREAT,UNLNK
cl29-u2_160w              500097686 (0) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097687 01CREAT 19:57:21.517716145 2026.07.01 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 19:57:21.533145453 2026.07.01 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] f2
500097693 06UNLNK 19:57:21.569190742 2026.07.01 0x1 t=[0x200002341:0x7f43:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] f1
lfs changelog --user --mask (with registered mask)
500097691 02MKDIR 19:57:21.550531767 2026.07.01 0x0 t=[0x200002341:0x7f45:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] d1
500097692 02MKDIR 19:57:21.557499243 2026.07.01 0x0 t=[0x200002341:0x7f46:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] d2
500097694 07RMDIR 19:57:21.578478286 2026.07.01 0x1 t=[0x200002341:0x7f45:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097687 01CREAT 19:57:21.517716145 2026.07.01 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.39@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 19:57:21.533145453 2026.07.01 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.39@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