== sanity test 60c: unlink file when mds full ============ 13:53:03 (1788198783)
create 5000 files
 - open/close 451 (time 1788198798.53 total 10.02 last 44.99)
 - open/close 946 (time 1788198808.55 total 20.04 last 49.41)
 - open/close 1451 (time 1788198818.57 total 30.06 last 50.40)
 - open/close 1970 (time 1788198828.59 total 40.08 last 51.79)
 - open/close 2421 (time 1788198838.63 total 50.12 last 44.92)
 - open/close 2867 (time 1788198848.64 total 60.13 last 44.56)
 - open/close 3320 (time 1788198858.66 total 70.15 last 45.22)
 - open/close 3757 (time 1788198868.68 total 80.17 last 43.63)
 - open/close 4205 (time 1788198878.69 total 90.18 last 44.73)
 - open/close 4697 (time 1788198888.70 total 100.19 last 49.15)
total: 5000 open/close in 106.76 seconds: 46.83 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788198899 ; total 1 ; last 1)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0