== sanity test 60c: unlink file when mds full ============ 06:05:38 (1787738738)
create 5000 files
 - open/close 492 (time 1787738752.03 total 10.01 last 49.15)
 - open/close 999 (time 1787738762.05 total 20.03 last 50.62)
 - open/close 1510 (time 1787738772.08 total 30.06 last 50.92)
 - open/close 2092 (time 1787738782.09 total 40.06 last 58.18)
 - open/close 2573 (time 1787738792.10 total 50.08 last 48.03)
 - open/close 3124 (time 1787738802.11 total 60.09 last 55.04)
 - open/close 3691 (time 1787738812.12 total 70.10 last 56.66)
 - open/close 4112 (time 1787738822.15 total 80.12 last 41.99)
 - open/close 4534 (time 1787738832.18 total 90.15 last 42.08)
 - open/close 4966 (time 1787738842.20 total 100.18 last 43.11)
total: 5000 open/close in 100.81 seconds: 49.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787738846 ; total 0 ; last 0)
total: 5000 unlinks in 61 seconds: 81.967216 unlinks/second
fail_loc=0