== sanity test 60c: unlink file when mds full ============ 21:54:34 (1787363674)
create 5000 files
 - open/close 511 (time 1787363688.55 total 10.01 last 51.06)
 - open/close 1013 (time 1787363698.57 total 20.02 last 50.12)
 - open/close 1491 (time 1787363708.58 total 30.03 last 47.78)
 - open/close 1997 (time 1787363718.58 total 40.03 last 50.58)
 - open/close 2487 (time 1787363728.59 total 50.05 last 48.93)
 - open/close 2999 (time 1787363738.60 total 60.05 last 51.17)
 - open/close 3514 (time 1787363748.61 total 70.07 last 51.44)
 - open/close 3998 (time 1787363758.62 total 80.07 last 48.38)
 - open/close 4455 (time 1787363768.64 total 90.09 last 45.60)
 - open/close 4918 (time 1787363778.65 total 100.10 last 46.27)
total: 5000 open/close in 101.77 seconds: 49.13 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787363784 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0