== sanity test 60c: unlink file when mds full ============ 20:31:45 (1786062705)
create 5000 files
 - open/close 628 (time 1786062718.77 total 10.01 last 62.72)
 - open/close 1265 (time 1786062728.77 total 20.01 last 63.69)
 - open/close 1966 (time 1786062738.79 total 30.03 last 69.99)
 - open/close 2538 (time 1786062748.80 total 40.05 last 57.11)
 - open/close 3108 (time 1786062758.82 total 50.06 last 56.91)
 - open/close 3674 (time 1786062768.82 total 60.07 last 56.57)
 - open/close 4259 (time 1786062778.83 total 70.07 last 58.46)
 - open/close 4832 (time 1786062788.86 total 80.11 last 57.11)
total: 5000 open/close in 83.55 seconds: 59.84 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786062795 ; total 0 ; last 0)
total: 5000 unlinks in 66 seconds: 75.757576 unlinks/second
fail_loc=0