== sanity test 160w: lfs changelog --user --mask ========= 07:38:51 (1787398731)
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl26-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl26-u1_160w cl27-u2_160w'
current_index: 500097686
ID                            index (idle) mask
cl26-u1_160w              500097686 (4) mask=MARK,CREAT,UNLNK
cl27-u2_160w              500097686 (1) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097687 01CREAT 11:38:59.505747332 2026.08.22 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 11:38:59.614185304 2026.08.22 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] f2
500097693 06UNLNK 11:38:59.844034352 2026.08.22 0x1 t=[0x200002341:0x7f43:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] f1
lfs changelog --user --mask (with registered mask)
500097691 02MKDIR 11:38:59.713310863 2026.08.22 0x0 t=[0x200002341:0x7f45:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] d1
500097692 02MKDIR 11:38:59.771791313 2026.08.22 0x0 t=[0x200002341:0x7f46:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] d2
500097694 07RMDIR 11:38:59.895552776 2026.08.22 0x1 t=[0x200002341:0x7f45:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097687 01CREAT 11:38:59.505747332 2026.08.22 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] f1
500097689 01CREAT 11:38:59.614185304 2026.08.22 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.203.57@tcp p=[0x200002341:0x7f42:0x0] f2
lustre-MDT0000: clear the changelog for cl26-u1_160w of all records
lustre-MDT0000: Deregistered changelog user 'cl26-u1_160w': success
lustre-MDT0000: clear the changelog for cl27-u2_160w of all records
lustre-MDT0000: Deregistered changelog user 'cl27-u2_160w': success
lustre-MDT0000: changelog user 'cl27-u2_160w' not found
lustre-MDT0000: changelog user 'cl26-u1_160w' not found