== sanity test 60c: unlink file when mds full ============ 15:43:39 (1784403819)
create 5000 files
 - open/close 437 (time 1784403834.09 total 10.02 last 43.62)
 - open/close 897 (time 1784403844.10 total 20.02 last 45.98)
 - open/close 1332 (time 1784403854.12 total 30.04 last 43.41)
 - open/close 1741 (time 1784403864.13 total 40.05 last 40.86)
 - open/close 2192 (time 1784403874.16 total 50.08 last 44.97)
 - open/close 2624 (time 1784403884.16 total 60.08 last 43.20)
 - open/close 3076 (time 1784403894.17 total 70.09 last 45.16)
 - open/close 3540 (time 1784403904.18 total 80.10 last 46.34)
 - open/close 4033 (time 1784403914.18 total 90.11 last 49.28)
 - open/close 4470 (time 1784403924.20 total 100.12 last 43.65)
 - open/close 4907 (time 1784403934.21 total 110.14 last 43.63)
total: 5000 open/close in 112.16 seconds: 44.58 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1784403940 ; total 0 ; last 0)
total: 5000 unlinks in 86 seconds: 58.139534 unlinks/second
fail_loc=0