== sanity test 60c: unlink file when mds full ============ 21:50:33 (1788918633)
create 5000 files
 - open/close 491 (time 1788918647.36 total 10.03 last 48.98)
 - open/close 939 (time 1788918657.38 total 20.04 last 44.75)
 - open/close 1344 (time 1788918667.41 total 30.07 last 40.37)
 - open/close 1821 (time 1788918677.41 total 40.07 last 47.68)
 - open/close 2338 (time 1788918687.43 total 50.09 last 51.63)
 - open/close 2808 (time 1788918697.43 total 60.09 last 46.96)
 - open/close 3260 (time 1788918707.44 total 70.11 last 45.15)
 - open/close 3680 (time 1788918717.47 total 80.13 last 41.90)
 - open/close 4089 (time 1788918727.48 total 90.14 last 40.84)
 - open/close 4505 (time 1788918737.51 total 100.17 last 41.50)
 - open/close 4975 (time 1788918747.51 total 110.17 last 46.98)
total: 5000 open/close in 110.64 seconds: 45.19 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788918752 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0