== sanity test 160w: lfs changelog --user --mask ========= 14:40:00 (1783968000)
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl6-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl6-u1_160w cl7-u2_160w'
current_index: 500097788
ID                            index (idle) mask
cl6-u1_160w               500097788 (5) mask=MARK,CREAT,UNLNK
cl7-u2_160w               500097788 (1) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097789 01CREAT 18:40:10.633931473 2026.07.13 0x0 t=[0x200002341:0x7f76:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] f1
500097791 01CREAT 18:40:10.719759901 2026.07.13 0x0 t=[0x200002341:0x7f77:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] f2
500097795 06UNLNK 18:40:10.884142168 2026.07.13 0x1 t=[0x200002341:0x7f76:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] f1
lfs changelog --user --mask (with registered mask)
500097793 02MKDIR 18:40:10.810412150 2026.07.13 0x0 t=[0x200002341:0x7f78:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] d1
500097794 02MKDIR 18:40:10.846365485 2026.07.13 0x0 t=[0x200002341:0x7f79:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] d2
500097796 07RMDIR 18:40:10.911495647 2026.07.13 0x1 t=[0x200002341:0x7f78:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097789 01CREAT 18:40:10.633931473 2026.07.13 0x0 t=[0x200002341:0x7f76:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] f1
500097791 01CREAT 18:40:10.719759901 2026.07.13 0x0 t=[0x200002341:0x7f77:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.52@tcp p=[0x200002341:0x7f75:0x0] f2
lustre-MDT0000: clear the changelog for cl6-u1_160w of all records
lustre-MDT0000: Deregistered changelog user #6
lustre-MDT0000: clear the changelog for cl7-u2_160w of all records
lustre-MDT0000: Deregistered changelog user #7
lustre-MDT0000: changelog user 'cl7-u2_160w' not found
lustre-MDT0000: changelog user 'cl6-u1_160w' not found