== sanity test 60c: unlink file when mds full ============ 08:00:39 (1787313639)
create 5000 files
 - open/close 505 (time 1787313654.02 total 10.03 last 50.33)
 - open/close 998 (time 1787313664.03 total 20.04 last 49.26)
 - open/close 1558 (time 1787313674.05 total 30.06 last 55.90)
 - open/close 2035 (time 1787313684.06 total 40.07 last 47.66)
 - open/close 2523 (time 1787313694.08 total 50.09 last 48.70)
 - open/close 2968 (time 1787313704.08 total 60.09 last 44.49)
 - open/close 3419 (time 1787313714.10 total 70.11 last 45.00)
 - open/close 3949 (time 1787313724.12 total 80.13 last 52.93)
 - open/close 4408 (time 1787313734.12 total 90.13 last 45.88)
 - open/close 4913 (time 1787313744.13 total 100.14 last 50.45)
total: 5000 open/close in 101.88 seconds: 49.08 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787313750 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0