== sanity test 60c: unlink file when mds full ============ 03:19:09 (1779693549)
create 5000 files
 - open/close 507 (time 1779693563.97 total 10.02 last 50.61)
 - open/close 976 (time 1779693573.98 total 20.03 last 46.83)
 - open/close 1451 (time 1779693583.99 total 30.04 last 47.46)
 - open/close 1939 (time 1779693594.00 total 40.05 last 48.74)
 - open/close 2428 (time 1779693604.01 total 50.06 last 48.87)
 - open/close 2886 (time 1779693614.02 total 60.07 last 45.73)
 - open/close 3373 (time 1779693624.03 total 70.08 last 48.68)
 - open/close 3818 (time 1779693634.03 total 80.08 last 44.50)
 - open/close 4277 (time 1779693644.03 total 90.08 last 45.88)
 - open/close 4711 (time 1779693654.04 total 100.09 last 43.35)
total: 5000 open/close in 108.30 seconds: 46.17 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1779693666 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0