== sanity test 60c: unlink file when mds full ============ 00:29:46 (1788928186)
create 5000 files
 - open/close 522 (time 1788928201.43 total 10.02 last 52.12)
 - open/close 981 (time 1788928211.44 total 20.02 last 45.88)
 - open/close 1382 (time 1788928221.44 total 30.03 last 40.08)
 - open/close 1768 (time 1788928231.45 total 40.04 last 38.56)
 - open/close 2293 (time 1788928241.48 total 50.07 last 52.33)
 - open/close 2710 (time 1788928251.49 total 60.07 last 41.67)
 - open/close 3050 (time 1788928261.53 total 70.11 last 33.87)
 - open/close 3385 (time 1788928271.54 total 80.12 last 33.47)
 - open/close 3820 (time 1788928281.57 total 90.15 last 43.36)
 - open/close 4174 (time 1788928291.60 total 100.19 last 35.29)
 - open/close 4584 (time 1788928301.62 total 110.21 last 40.90)
total: 5000 open/close in 118.76 seconds: 42.10 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788928315 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0