== sanity test 60c: unlink file when mds full ============ 20:02:04 (1770685324)
create 5000 files
 - open/close 306 (time 1770685340.84 total 10.01 last 30.57)
 - open/close 648 (time 1770685350.86 total 20.03 last 34.13)
 - open/close 1027 (time 1770685360.87 total 30.04 last 37.87)
 - open/close 1308 (time 1770685370.90 total 40.07 last 28.02)
 - open/close 1594 (time 1770685380.91 total 50.08 last 28.57)
 - open/close 1875 (time 1770685390.91 total 60.09 last 28.08)
 - open/close 2227 (time 1770685400.92 total 70.10 last 35.16)
 - open/close 2560 (time 1770685410.93 total 80.10 last 33.28)
 - open/close 2877 (time 1770685420.94 total 90.11 last 31.68)
 - open/close 3227 (time 1770685430.95 total 100.12 last 34.96)
 - open/close 3580 (time 1770685440.97 total 110.14 last 35.21)
 - open/close 3908 (time 1770685450.98 total 120.15 last 32.77)
 - open/close 4295 (time 1770685460.99 total 130.17 last 38.66)
 - open/close 4652 (time 1770685471.01 total 140.18 last 35.65)
total: 5000 open/close in 148.80 seconds: 33.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1770685486 ; total 0 ; last 0)
total: 5000 unlinks in 100 seconds: 50.000000 unlinks/second
fail_loc=0