== sanity test 60c: unlink file when mds full ============ 11:03:33 (1788534213)
create 5000 files
 - open/close 458 (time 1788534228.00 total 10.01 last 45.73)
 - open/close 1005 (time 1788534238.02 total 20.03 last 54.59)
 - open/close 1524 (time 1788534248.03 total 30.05 last 51.83)
 - open/close 2030 (time 1788534258.04 total 40.06 last 50.56)
 - open/close 2557 (time 1788534268.04 total 50.06 last 52.70)
 - open/close 3110 (time 1788534278.06 total 60.08 last 55.18)
 - open/close 3649 (time 1788534288.07 total 70.08 last 53.87)
 - open/close 4201 (time 1788534298.07 total 80.09 last 55.18)
 - open/close 4661 (time 1788534308.09 total 90.10 last 45.94)
total: 5000 open/close in 97.03 seconds: 51.53 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788534319 ; total 0 ; last 0)
total: 5000 unlinks in 69 seconds: 72.463768 unlinks/second
fail_loc=0