== sanity test 60c: unlink file when mds full ============ 17:58:41 (1787695121)
create 5000 files
 - open/close 429 (time 1787695137.14 total 10.01 last 42.87)
 - open/close 866 (time 1787695147.16 total 20.03 last 43.62)
 - open/close 1364 (time 1787695157.17 total 30.04 last 49.74)
 - open/close 1890 (time 1787695167.18 total 40.05 last 52.56)
 - open/close 2250 (time 1787695177.21 total 50.08 last 35.89)
 - open/close 2538 (time 1787695187.23 total 60.09 last 28.75)
 - open/close 3163 (time 1787695197.23 total 70.10 last 62.47)
 - open/close 3627 (time 1787695207.25 total 80.11 last 46.35)
 - open/close 4133 (time 1787695217.27 total 90.13 last 50.48)
 - open/close 4545 (time 1787695227.33 total 100.19 last 40.97)
 - open/close 4946 (time 1787695237.33 total 110.20 last 40.07)
total: 5000 open/close in 111.45 seconds: 44.86 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787695243 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0