== sanity test 60c: unlink file when mds full ============ 10:48:50 (1787842130)
create 5000 files
 - open/close 410 (time 1787842144.61 total 10.01 last 40.96)
 - open/close 948 (time 1787842154.63 total 20.03 last 53.72)
 - open/close 1412 (time 1787842164.64 total 30.04 last 46.35)
 - open/close 1866 (time 1787842174.66 total 40.06 last 45.31)
 - open/close 2364 (time 1787842184.67 total 50.07 last 49.73)
 - open/close 2814 (time 1787842194.69 total 60.09 last 44.92)
 - open/close 3263 (time 1787842204.69 total 70.09 last 44.87)
 - open/close 3759 (time 1787842214.71 total 80.11 last 49.51)
 - open/close 4215 (time 1787842224.73 total 90.13 last 45.51)
 - open/close 4660 (time 1787842234.74 total 100.14 last 44.44)
total: 5000 open/close in 107.25 seconds: 46.62 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787842246 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0