== sanity test 60c: unlink file when mds full ============ 01:14:36 (1788844476)
create 5000 files
 - open/close 609 (time 1788844491.05 total 10.03 last 60.73)
 - open/close 1059 (time 1788844501.05 total 20.03 last 45.00)
 - open/close 1521 (time 1788844511.05 total 30.03 last 46.20)
 - open/close 1967 (time 1788844521.07 total 40.05 last 44.52)
 - open/close 2496 (time 1788844531.08 total 50.05 last 52.86)
 - open/close 3075 (time 1788844541.09 total 60.06 last 57.87)
 - open/close 3543 (time 1788844551.09 total 70.07 last 46.78)
 - open/close 3989 (time 1788844561.09 total 80.07 last 44.59)
 - open/close 4399 (time 1788844571.10 total 90.07 last 40.98)
 - open/close 4854 (time 1788844581.10 total 100.08 last 45.47)
total: 5000 open/close in 102.99 seconds: 48.55 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788844588 ; total 0 ; last 0)
total: 5000 unlinks in 72 seconds: 69.444443 unlinks/second
fail_loc=0