== sanity test 60c: unlink file when mds full ============ 19:23:55 (1787613835)
create 5000 files
 - open/close 479 (time 1787613849.19 total 10.02 last 47.81)
 - open/close 979 (time 1787613859.20 total 20.02 last 49.99)
 - open/close 1481 (time 1787613869.21 total 30.03 last 50.14)
 - open/close 1997 (time 1787613879.22 total 40.05 last 51.51)
 - open/close 2513 (time 1787613889.23 total 50.05 last 51.57)
 - open/close 3011 (time 1787613899.24 total 60.07 last 49.74)
 - open/close 3477 (time 1787613909.25 total 70.07 last 46.59)
 - open/close 3913 (time 1787613919.26 total 80.09 last 43.52)
 - open/close 4290 (time 1787613929.30 total 90.12 last 37.57)
 - open/close 4718 (time 1787613939.33 total 100.15 last 42.67)
total: 5000 open/close in 107.52 seconds: 46.50 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787613952 ; total 0 ; last 0)
total: 5000 unlinks in 82 seconds: 60.975609 unlinks/second
fail_loc=0