== sanity test 60c: unlink file when mds full ============ 11:17:18 (1787843838)
create 5000 files
 - open/close 487 (time 1787843854.15 total 10.02 last 48.61)
 - open/close 1009 (time 1787843864.15 total 20.02 last 52.19)
 - open/close 1526 (time 1787843874.16 total 30.03 last 51.63)
 - open/close 1985 (time 1787843884.20 total 40.07 last 45.75)
 - open/close 2489 (time 1787843894.20 total 50.07 last 50.38)
 - open/close 2894 (time 1787843904.21 total 60.08 last 40.47)
 - open/close 3331 (time 1787843914.23 total 70.10 last 43.62)
 - open/close 3763 (time 1787843924.23 total 80.10 last 43.18)
 - open/close 4157 (time 1787843934.24 total 90.12 last 39.36)
 - open/close 4556 (time 1787843944.26 total 100.13 last 39.84)
 - open/close 4955 (time 1787843954.28 total 110.15 last 39.80)
total: 5000 open/close in 111.69 seconds: 44.77 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787843961 ; total 0 ; last 0)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0