== sanity test 60c: unlink file when mds full ============ 07:36:55 (1790941015)
create 5000 files
 - open/close 470 (time 1790941030.12 total 10.01 last 46.96)
 - open/close 956 (time 1790941040.14 total 20.02 last 48.52)
 - open/close 1441 (time 1790941050.14 total 30.03 last 48.49)
 - open/close 1923 (time 1790941060.15 total 40.03 last 48.18)
 - open/close 2404 (time 1790941070.16 total 50.05 last 48.02)
 - open/close 2887 (time 1790941080.18 total 60.06 last 48.24)
 - open/close 3315 (time 1790941090.18 total 70.07 last 42.77)
 - open/close 3784 (time 1790941100.20 total 80.08 last 46.82)
 - open/close 4227 (time 1790941110.21 total 90.10 last 44.23)
 - open/close 4640 (time 1790941120.22 total 100.10 last 41.28)
total: 5000 open/close in 109.26 seconds: 45.76 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1790941135 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0