== sanity test 60c: unlink file when mds full ============ 12:38:59 (1787848739)
create 5000 files
 - open/close 413 (time 1787848754.73 total 10.01 last 41.26)
 - open/close 855 (time 1787848764.77 total 20.05 last 44.04)
 - open/close 1306 (time 1787848774.78 total 30.05 last 45.06)
 - open/close 1761 (time 1787848784.80 total 40.08 last 45.39)
 - open/close 2214 (time 1787848794.81 total 50.09 last 45.25)
 - open/close 2691 (time 1787848804.84 total 60.11 last 47.58)
 - open/close 3076 (time 1787848814.84 total 70.12 last 38.47)
 - open/close 3504 (time 1787848824.89 total 80.16 last 42.61)
 - open/close 3839 (time 1787848834.91 total 90.19 last 33.43)
 - open/close 4191 (time 1787848844.91 total 100.19 last 35.19)
 - open/close 4570 (time 1787848854.92 total 110.19 last 37.88)
total: 5000 open/close in 119.84 seconds: 41.72 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787848870 ; total 0 ; last 0)
total: 5000 unlinks in 85 seconds: 58.823528 unlinks/second
fail_loc=0