== sanity test 60c: unlink file when mds full ============ 17:19:02 (1786828742)
create 5000 files
 - open/close 425 (time 1786828756.63 total 10.00 last 42.48)
 - open/close 858 (time 1786828766.64 total 20.02 last 43.23)
 - open/close 1336 (time 1786828776.66 total 30.03 last 47.74)
 - open/close 1802 (time 1786828786.67 total 40.05 last 46.52)
 - open/close 2286 (time 1786828796.68 total 50.06 last 48.35)
 - open/close 2801 (time 1786828806.70 total 60.07 last 51.43)
 - open/close 3278 (time 1786828816.70 total 70.07 last 47.69)
 - open/close 3747 (time 1786828826.71 total 80.08 last 46.85)
 - open/close 4198 (time 1786828836.74 total 90.11 last 44.98)
 - open/close 4620 (time 1786828846.74 total 100.12 last 42.18)
total: 5000 open/close in 109.20 seconds: 45.79 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786828859 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0