== sanity test 60c: unlink file when mds full ============ 17:21:55 (1787865715)
create 5000 files
 - open/close 457 (time 1787865730.07 total 10.01 last 45.67)
 - open/close 926 (time 1787865740.08 total 20.02 last 46.86)
 - open/close 1419 (time 1787865750.09 total 30.03 last 49.25)
 - open/close 1866 (time 1787865760.13 total 40.06 last 44.54)
 - open/close 2312 (time 1787865770.14 total 50.07 last 44.54)
 - open/close 2776 (time 1787865780.18 total 60.11 last 46.23)
 - open/close 3228 (time 1787865790.19 total 70.13 last 45.13)
 - open/close 3681 (time 1787865800.21 total 80.15 last 45.20)
 - open/close 4096 (time 1787865810.25 total 90.18 last 41.36)
 - open/close 4532 (time 1787865820.25 total 100.18 last 43.59)
 - open/close 4946 (time 1787865830.26 total 110.19 last 41.37)
total: 5000 open/close in 111.59 seconds: 44.81 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787865836 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0