== sanity test 60c: unlink file when mds full ============ 12:39:37 (1787848777)
create 5000 files
 - open/close 445 (time 1787848792.96 total 10.01 last 44.48)
 - open/close 850 (time 1787848802.97 total 20.02 last 40.44)
 - open/close 1217 (time 1787848812.98 total 30.03 last 36.66)
 - open/close 1717 (time 1787848823.01 total 40.06 last 49.87)
 - open/close 2103 (time 1787848833.02 total 50.07 last 38.54)
 - open/close 2579 (time 1787848843.03 total 60.08 last 47.58)
 - open/close 3071 (time 1787848853.03 total 70.08 last 49.17)
 - open/close 3506 (time 1787848863.05 total 80.10 last 43.42)
 - open/close 3957 (time 1787848873.08 total 90.13 last 44.95)
 - open/close 4405 (time 1787848883.09 total 100.14 last 44.77)
 - open/close 4884 (time 1787848893.11 total 110.16 last 47.80)
total: 5000 open/close in 112.59 seconds: 44.41 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787848900 ; total 0 ; last 0)
total: 5000 unlinks in 79 seconds: 63.291138 unlinks/second
fail_loc=0