== sanity test 160w: lfs changelog --user --mask ========= 06:11:55 (1788948715)
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl29-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl29-u1_160w cl30-u2_160w'
current_index: 500097695
ID                            index (idle) mask
cl29-u1_160w              500097695 (4) mask=MARK,CREAT,UNLNK
cl30-u2_160w              500097695 (1) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097696 01CREAT 10:12:04.411088356 2026.09.09 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] f1
500097698 01CREAT 10:12:04.523120191 2026.09.09 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] f2
500097702 06UNLNK 10:12:04.706889082 2026.09.09 0x1 t=[0x200002341:0x7f43:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] f1
lfs changelog --user --mask (with registered mask)
500097700 02MKDIR 10:12:04.599198470 2026.09.09 0x0 t=[0x200002341:0x7f45:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] d1
500097701 02MKDIR 10:12:04.625177769 2026.09.09 0x0 t=[0x200002341:0x7f46:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] d2
500097703 07RMDIR 10:12:04.752054550 2026.09.09 0x1 t=[0x200002341:0x7f45:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097696 01CREAT 10:12:04.411088356 2026.09.09 0x0 t=[0x200002341:0x7f43:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] f1
500097698 01CREAT 10:12:04.523120191 2026.09.09 0x0 t=[0x200002341:0x7f44:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.204.6@tcp p=[0x200002341:0x7f42:0x0] f2
lustre-MDT0000: clear the changelog for cl29-u1_160w of all records
lustre-MDT0000: Deregistered changelog user #29
lustre-MDT0000: clear the changelog for cl30-u2_160w of all records
lustre-MDT0000: Deregistered changelog user #30
lustre-MDT0000: changelog user 'cl30-u2_160w' not found
lustre-MDT0000: changelog user 'cl29-u1_160w' not found