== sanity test 60c: unlink file when mds full ============ 07:20:11 (1787743211)
create 5000 files
 - open/close 718 (time 1787743225.89 total 10.01 last 71.72)
 - open/close 1234 (time 1787743235.90 total 20.02 last 51.56)
 - open/close 1691 (time 1787743245.93 total 30.05 last 45.58)
 - open/close 2224 (time 1787743255.94 total 40.06 last 53.22)
 - open/close 2582 (time 1787743265.95 total 50.07 last 35.77)
 - open/close 2953 (time 1787743275.96 total 60.08 last 37.06)
 - open/close 3380 (time 1787743285.98 total 70.09 last 42.64)
 - open/close 3981 (time 1787743295.98 total 80.10 last 60.09)
 - open/close 4499 (time 1787743305.99 total 90.11 last 51.73)
total: 5000 open/close in 99.32 seconds: 50.34 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787743320 ; total 0 ; last 0)
total: 5000 unlinks in 83 seconds: 60.240963 unlinks/second
fail_loc=0