== sanity test 60c: unlink file when mds full ============ 05:25:30 (1765103130)
create 5000 files
 - open/close 541 (time 1765103143.84 total 10.01 last 54.06)
 - open/close 1067 (time 1765103153.85 total 20.02 last 52.56)
 - open/close 1572 (time 1765103163.86 total 30.02 last 50.47)
 - open/close 2070 (time 1765103173.87 total 40.03 last 49.75)
 - open/close 2587 (time 1765103183.88 total 50.05 last 51.63)
 - open/close 3022 (time 1765103193.90 total 60.06 last 43.42)
 - open/close 3543 (time 1765103203.92 total 70.08 last 52.01)
 - open/close 4058 (time 1765103213.95 total 80.11 last 51.35)
 - open/close 4545 (time 1765103223.96 total 90.12 last 48.65)
total: 5000 open/close in 99.27 seconds: 50.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1765103236 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0