== sanity test 160w: lfs changelog --user --mask ========= 11:10:28 (1786201828)
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl26-u1_160w cl6-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl26-u1_160w cl27-u2_160w cl6-u1_160w cl7-u2_160w'
current_index: 500097782
ID                            index (idle) mask
cl6-u1_160w               500097782 (3) mask=MARK,CREAT,UNLNK
cl7-u2_160w               500097782 (2) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097783 01CREAT 15:10:33.136843298 2026.08.08 0x0 t=[0x200002342:0x7f70:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] f1
500097785 01CREAT 15:10:33.153222476 2026.08.08 0x0 t=[0x200002342:0x7f71:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] f2
500097789 06UNLNK 15:10:33.195246439 2026.08.08 0x1 t=[0x200002342:0x7f70:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] f1
lfs changelog --user --mask (with registered mask)
500097787 02MKDIR 15:10:33.172517642 2026.08.08 0x0 t=[0x200002342:0x7f72:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] d1
500097788 02MKDIR 15:10:33.181570453 2026.08.08 0x0 t=[0x200002342:0x7f73:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] d2
500097790 07RMDIR 15:10:33.207401764 2026.08.08 0x1 t=[0x200002342:0x7f72:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097783 01CREAT 15:10:33.136843298 2026.08.08 0x0 t=[0x200002342:0x7f70:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f:0x0] f1
500097785 01CREAT 15:10:33.153222476 2026.08.08 0x0 t=[0x200002342:0x7f71:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.202.57@tcp p=[0x200002342:0x7f6f: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-MDT0001: clear the changelog for cl26-u1_160w of all records
lustre-MDT0001: Deregistered changelog user #26
lustre-MDT0001: clear the changelog for cl27-u2_160w of all records
lustre-MDT0001: Deregistered changelog user #27
lustre-MDT0001: changelog user 'cl27-u2_160w' not found
lustre-MDT0000: changelog user 'cl7-u2_160w' not found
lustre-MDT0001: changelog user 'cl26-u1_160w' not found
lustre-MDT0000: changelog user 'cl6-u1_160w' not found