== sanity test 60c: unlink file when mds full ============ 05:37:31 (1783071451)
create 5000 files
 - open/close 460 (time 1783071464.67 total 10.02 last 45.92)
 - open/close 944 (time 1783071474.70 total 20.04 last 48.28)
 - open/close 1410 (time 1783071484.72 total 30.07 last 46.47)
 - open/close 1857 (time 1783071494.73 total 40.08 last 44.67)
 - open/close 2303 (time 1783071504.74 total 50.08 last 44.57)
 - open/close 2769 (time 1783071514.74 total 60.08 last 46.60)
 - open/close 3210 (time 1783071524.74 total 70.09 last 44.08)
 - open/close 3659 (time 1783071534.75 total 80.09 last 44.88)
 - open/close 4114 (time 1783071544.76 total 90.10 last 45.43)
 - open/close 4578 (time 1783071554.77 total 100.12 last 46.35)
total: 5000 open/close in 109.62 seconds: 45.61 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783071568 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0