== sanity test 60c: unlink file when mds full ============ 19:52:09 (1770684729)
create 5000 files
 - open/close 372 (time 1770684745.09 total 10.00 last 37.19)
 - open/close 902 (time 1770684755.09 total 20.01 last 52.96)
 - open/close 1414 (time 1770684765.11 total 30.02 last 51.13)
 - open/close 1895 (time 1770684775.11 total 40.03 last 48.08)
 - open/close 2303 (time 1770684785.12 total 50.03 last 40.77)
 - open/close 2740 (time 1770684795.12 total 60.04 last 43.68)
 - open/close 3168 (time 1770684805.14 total 70.05 last 42.74)
 - open/close 3599 (time 1770684815.16 total 80.08 last 43.00)
 - open/close 3995 (time 1770684825.16 total 90.08 last 39.60)
 - open/close 4432 (time 1770684835.16 total 100.08 last 43.69)
 - open/close 4846 (time 1770684845.18 total 110.10 last 41.33)
total: 5000 open/close in 113.99 seconds: 43.86 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1770684854 ; total 0 ; last 0)
total: 5000 unlinks in 71 seconds: 70.422539 unlinks/second
fail_loc=0