== sanity test 160w: lfs changelog --user --mask ========= 22:39:22 (1787625562)
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 (4) 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 02:39:31.970152918 2026.08.25 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 02:39:32.065272231 2026.08.25 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] f2
500097693 06UNLNK 02:39:32.225115698 2026.08.25 0x1 t=[0x200002341:0x7f43:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] f1
lfs changelog --user --mask (with registered mask)
500097691 02MKDIR 02:39:32.165138994 2026.08.25 0x0 t=[0x200002341:0x7f45:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] d1
500097692 02MKDIR 02:39:32.189580129 2026.08.25 0x0 t=[0x200002341:0x7f46:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] d2
500097694 07RMDIR 02:39:32.254588317 2026.08.25 0x1 t=[0x200002341:0x7f45:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097687 01CREAT 02:39:31.970152918 2026.08.25 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.46@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 02:39:32.065272231 2026.08.25 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.201.46@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