== sanity test 60c: unlink file when mds full ============ 11:27:42 (1782228462)
create 5000 files
 - open/close 507 (time 1782228479.54 total 10.01 last 50.64)
 - open/close 974 (time 1782228489.56 total 20.03 last 46.63)
 - open/close 1450 (time 1782228499.57 total 30.04 last 47.53)
 - open/close 2003 (time 1782228509.58 total 40.05 last 55.23)
 - open/close 2491 (time 1782228519.60 total 50.07 last 48.72)
 - open/close 2954 (time 1782228529.61 total 60.07 last 46.28)
 - open/close 3430 (time 1782228539.62 total 70.09 last 47.55)
 - open/close 3977 (time 1782228549.64 total 80.11 last 54.59)
 - open/close 4374 (time 1782228559.64 total 90.11 last 39.68)
 - open/close 4830 (time 1782228569.67 total 100.13 last 45.49)
total: 5000 open/close in 103.62 seconds: 48.25 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1782228578 ; total 0 ; last 0)
total: 5000 unlinks in 67 seconds: 74.626869 unlinks/second
fail_loc=0