== sanity test 60c: unlink file when mds full ============ 09:47:02 (1788875222)
create 5000 files
 - open/close 586 (time 1788875236.63 total 10.00 last 58.59)
 - open/close 1204 (time 1788875246.64 total 20.01 last 61.78)
 - open/close 1791 (time 1788875256.65 total 30.01 last 58.65)
 - open/close 2449 (time 1788875266.70 total 40.07 last 65.43)
 - open/close 2812 (time 1788875276.72 total 50.09 last 36.22)
 - open/close 3249 (time 1788875286.72 total 60.09 last 43.69)
 - open/close 3784 (time 1788875296.73 total 70.09 last 53.49)
 - open/close 4344 (time 1788875306.73 total 80.10 last 55.99)
 - open/close 4912 (time 1788875316.74 total 90.11 last 56.72)
total: 5000 open/close in 91.44 seconds: 54.68 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788875321 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0