== sanity test 60c: unlink file when mds full ============ 12:26:07 (1783441567)
create 5000 files
 - open/close 357 (time 1783441581.61 total 10.02 last 35.61)
 - open/close 748 (time 1783441591.64 total 20.06 last 38.98)
 - open/close 1151 (time 1783441601.65 total 30.07 last 40.24)
 - open/close 1610 (time 1783441611.65 total 40.07 last 45.90)
 - open/close 2027 (time 1783441621.66 total 50.07 last 41.69)
 - open/close 2436 (time 1783441631.67 total 60.09 last 40.86)
 - open/close 2851 (time 1783441641.68 total 70.10 last 41.45)
 - open/close 3295 (time 1783441651.69 total 80.10 last 44.37)
 - open/close 3709 (time 1783441661.70 total 90.12 last 41.35)
 - open/close 4147 (time 1783441671.71 total 100.13 last 43.75)
 - open/close 4544 (time 1783441681.74 total 110.16 last 39.58)
 - open/close 4929 (time 1783441691.75 total 120.17 last 38.46)
total: 5000 open/close in 122.04 seconds: 40.97 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783441698 ; total 0 ; last 0)
total: 5000 unlinks in 91 seconds: 54.945053 unlinks/second
fail_loc=0