== sanity test 60c: unlink file when mds full ============ 17:59:33 (1787695173)
create 5000 files
 - open/close 534 (time 1787695186.90 total 10.02 last 53.32)
 - open/close 1065 (time 1787695196.91 total 20.03 last 53.02)
 - open/close 1569 (time 1787695206.92 total 30.04 last 50.35)
 - open/close 2081 (time 1787695216.93 total 40.05 last 51.17)
 - open/close 2559 (time 1787695226.93 total 50.05 last 47.80)
 - open/close 3047 (time 1787695236.94 total 60.06 last 48.75)
 - open/close 3542 (time 1787695246.95 total 70.07 last 49.45)
 - open/close 3958 (time 1787695256.96 total 80.08 last 41.56)
 - open/close 4393 (time 1787695266.96 total 90.08 last 43.50)
 - open/close 4872 (time 1787695276.98 total 100.10 last 47.79)
total: 5000 open/close in 102.83 seconds: 48.62 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787695283 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0