== sanity test 60c: unlink file when mds full ============ 06:05:47 (1787738747)
create 5000 files
 - open/close 512 (time 1787738761.85 total 10.02 last 51.09)
 - open/close 975 (time 1787738771.86 total 20.03 last 46.25)
 - open/close 1442 (time 1787738781.89 total 30.06 last 46.59)
 - open/close 1865 (time 1787738791.89 total 40.06 last 42.29)
 - open/close 2384 (time 1787738801.92 total 50.08 last 51.76)
 - open/close 2804 (time 1787738811.94 total 60.10 last 41.92)
 - open/close 3319 (time 1787738821.95 total 70.12 last 51.42)
 - open/close 3846 (time 1787738831.97 total 80.14 last 52.60)
 - open/close 4345 (time 1787738842.00 total 90.17 last 49.76)
 - open/close 4787 (time 1787738852.02 total 100.18 last 44.13)
total: 5000 open/close in 104.13 seconds: 48.02 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787738860 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0