== sanity test 60c: unlink file when mds full ============ 12:10:32 (1787847032)
create 5000 files
 - open/close 464 (time 1787847050.03 total 10.01 last 46.34)
 - open/close 925 (time 1787847060.04 total 20.02 last 46.08)
 - open/close 1446 (time 1787847070.04 total 30.02 last 52.07)
 - open/close 1990 (time 1787847080.11 total 40.10 last 54.01)
 - open/close 2427 (time 1787847090.12 total 50.10 last 43.67)
 - open/close 2898 (time 1787847100.13 total 60.11 last 47.05)
 - open/close 3439 (time 1787847110.14 total 70.13 last 54.03)
 - open/close 3985 (time 1787847120.15 total 80.13 last 54.58)
 - open/close 4476 (time 1787847130.15 total 90.13 last 49.08)
total: 5000 open/close in 99.26 seconds: 50.37 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787847142 ; total 0 ; last 0)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0