== sanity test 60c: unlink file when mds full ============ 13:52:18 (1780336338)
create 5000 files
 - open/close 520 (time 1780336352.78 total 10.03 last 51.86)
 - open/close 953 (time 1780336362.78 total 20.03 last 43.27)
 - open/close 1507 (time 1780336372.79 total 30.04 last 55.39)
 - open/close 2050 (time 1780336382.79 total 40.04 last 54.30)
 - open/close 2661 (time 1780336392.80 total 50.05 last 61.03)
 - open/close 3198 (time 1780336402.81 total 60.06 last 53.62)
 - open/close 3671 (time 1780336412.82 total 70.08 last 47.24)
 - open/close 4212 (time 1780336422.84 total 80.09 last 54.02)
 - open/close 4711 (time 1780336432.86 total 90.11 last 49.80)
total: 5000 open/close in 96.89 seconds: 51.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780336445 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0