== sanity test 60c: unlink file when mds full ============ 16:22:33 (1787602953)
create 5000 files
 - open/close 438 (time 1787602968.57 total 10.03 last 43.69)
 - open/close 845 (time 1787602978.58 total 20.03 last 40.67)
 - open/close 1366 (time 1787602988.58 total 30.04 last 52.09)
 - open/close 1848 (time 1787602998.60 total 40.06 last 48.09)
 - open/close 2337 (time 1787603008.61 total 50.07 last 48.87)
 - open/close 2855 (time 1787603018.66 total 60.11 last 51.56)
 - open/close 3392 (time 1787603028.67 total 70.12 last 53.64)
 - open/close 3881 (time 1787603038.67 total 80.13 last 48.89)
 - open/close 4419 (time 1787603048.67 total 90.13 last 53.78)
 - open/close 4883 (time 1787603058.68 total 100.14 last 46.35)
total: 5000 open/close in 102.88 seconds: 48.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787603066 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0