== sanity test 60c: unlink file when mds full ============ 16:22:59 (1780086179)
create 5000 files
 - open/close 605 (time 1780086191.57 total 10.00 last 60.47)
 - open/close 1199 (time 1780086201.58 total 20.01 last 59.35)
 - open/close 1804 (time 1780086211.60 total 30.03 last 60.41)
 - open/close 2304 (time 1780086221.61 total 40.04 last 49.93)
 - open/close 2862 (time 1780086231.63 total 50.06 last 55.72)
 - open/close 3377 (time 1780086241.63 total 60.06 last 51.49)
 - open/close 3895 (time 1780086251.63 total 70.06 last 51.77)
 - open/close 4454 (time 1780086261.64 total 80.08 last 55.84)
total: 5000 open/close in 89.73 seconds: 55.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780086274 ; total 0 ; last 0)
total: 5000 unlinks in 54 seconds: 92.592590 unlinks/second
fail_loc=0