== sanity test 60c: unlink file when mds full ============ 07:59:03 (1787313543)
create 5000 files
 - open/close 407 (time 1787313557.53 total 10.01 last 40.68)
 - open/close 914 (time 1787313567.53 total 20.01 last 50.67)
 - open/close 1344 (time 1787313577.54 total 30.02 last 42.98)
 - open/close 1861 (time 1787313587.56 total 40.04 last 51.59)
 - open/close 2369 (time 1787313597.57 total 50.04 last 50.76)
 - open/close 2731 (time 1787313607.57 total 60.05 last 36.20)
 - open/close 3093 (time 1787313617.58 total 70.06 last 36.15)
 - open/close 3539 (time 1787313627.64 total 80.12 last 44.32)
 - open/close 3954 (time 1787313637.66 total 90.14 last 41.42)
 - open/close 4419 (time 1787313647.68 total 100.15 last 46.43)
 - open/close 4857 (time 1787313657.68 total 110.15 last 43.80)
total: 5000 open/close in 114.69 seconds: 43.60 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787313667 ; total 0 ; last 0)
total: 5000 unlinks in 88 seconds: 56.818180 unlinks/second
fail_loc=0