== sanity test 60c: unlink file when mds full ============ 11:04:07 (1788620647)
create 5000 files
 - open/close 519 (time 1788620661.79 total 10.00 last 51.88)
 - open/close 1042 (time 1788620671.80 total 20.01 last 52.29)
 - open/close 1582 (time 1788620681.81 total 30.01 last 53.95)
 - open/close 2032 (time 1788620691.82 total 40.03 last 44.93)
 - open/close 2517 (time 1788620701.83 total 50.04 last 48.47)
 - open/close 2997 (time 1788620711.84 total 60.05 last 47.94)
 - open/close 3385 (time 1788620721.85 total 70.06 last 38.76)
 - open/close 3817 (time 1788620731.86 total 80.07 last 43.14)
 - open/close 4238 (time 1788620741.87 total 90.07 last 42.10)
 - open/close 4721 (time 1788620751.89 total 100.10 last 48.17)
total: 5000 open/close in 106.67 seconds: 46.87 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788620762 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0