== sanity test 60c: unlink file when mds full ============ 11:42:18 (1772469738)
create 5000 files
 - open/close 523 (time 1772469753.07 total 10.01 last 52.24)
 - open/close 1130 (time 1772469763.08 total 20.02 last 60.64)
 - open/close 1630 (time 1772469773.09 total 30.03 last 49.95)
 - open/close 2248 (time 1772469783.10 total 40.04 last 61.77)
 - open/close 2735 (time 1772469793.10 total 50.04 last 48.66)
 - open/close 3262 (time 1772469803.12 total 60.06 last 52.62)
 - open/close 3796 (time 1772469813.12 total 70.06 last 53.39)
 - open/close 4312 (time 1772469823.13 total 80.07 last 51.58)
 - open/close 4773 (time 1772469833.14 total 90.08 last 46.04)
total: 5000 open/close in 95.68 seconds: 52.26 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1772469844 ; total 0 ; last 0)
total: 5000 unlinks in 64 seconds: 78.125000 unlinks/second
fail_loc=0