== sanity test 60c: unlink file when mds full ============ 17:11:37 (1785964297)
create 5000 files
 - open/close 380 (time 1785964312.51 total 10.01 last 37.97)
 - open/close 880 (time 1785964322.52 total 20.02 last 49.94)
 - open/close 1469 (time 1785964332.53 total 30.02 last 58.88)
 - open/close 2050 (time 1785964342.54 total 40.04 last 58.02)
 - open/close 2598 (time 1785964352.54 total 50.04 last 54.77)
 - open/close 3073 (time 1785964362.57 total 60.07 last 47.39)
 - open/close 3571 (time 1785964372.58 total 70.08 last 49.72)
 - open/close 4018 (time 1785964382.61 total 80.11 last 44.59)
 - open/close 4525 (time 1785964392.62 total 90.12 last 50.63)
total: 5000 open/close in 99.46 seconds: 50.27 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1785964405 ; total 0 ; last 0)
total: 5000 unlinks in 70 seconds: 71.428574 unlinks/second
fail_loc=0