== sanity test 60c: unlink file when mds full ============ 16:47:30 (1789073250)
create 5000 files
 - open/close 513 (time 1789073263.79 total 10.01 last 51.24)
 - open/close 921 (time 1789073273.83 total 20.06 last 40.60)
 - open/close 1340 (time 1789073283.84 total 30.07 last 41.86)
 - open/close 1787 (time 1789073293.87 total 40.09 last 44.59)
 - open/close 2176 (time 1789073303.89 total 50.11 last 38.83)
 - open/close 2497 (time 1789073313.89 total 60.12 last 32.08)
 - open/close 2863 (time 1789073323.94 total 70.16 last 36.44)
 - open/close 3184 (time 1789073333.94 total 80.17 last 32.09)
 - open/close 3651 (time 1789073343.95 total 90.17 last 46.67)
 - open/close 4094 (time 1789073353.95 total 100.18 last 44.27)
 - open/close 4575 (time 1789073363.97 total 110.20 last 48.00)
total: 5000 open/close in 119.26 seconds: 41.93 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789073377 ; total 0 ; last 0)
total: 5000 unlinks in 75 seconds: 66.666664 unlinks/second
fail_loc=0