== sanity test 60c: unlink file when mds full ============ 19:57:26 (1786406246)
create 5000 files
 - open/close 586 (time 1786406260.64 total 10.00 last 58.59)
 - open/close 1012 (time 1786406270.65 total 20.01 last 42.55)
 - open/close 1338 (time 1786406280.66 total 30.02 last 32.57)
 - open/close 1866 (time 1786406290.66 total 40.03 last 52.80)
 - open/close 2377 (time 1786406300.67 total 50.03 last 51.06)
 - open/close 2912 (time 1786406310.67 total 60.04 last 53.48)
 - open/close 3502 (time 1786406320.68 total 70.05 last 58.94)
 - open/close 3966 (time 1786406330.68 total 80.05 last 46.40)
 - open/close 4497 (time 1786406340.70 total 90.06 last 53.02)
total: 5000 open/close in 99.84 seconds: 50.08 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786406354 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0