== sanity test 60c: unlink file when mds full ============ 22:56:13 (1763351773)
create 5000 files
 - open/close 596 (time 1763351786.90 total 10.00 last 59.59)
 - open/close 1270 (time 1763351796.91 total 20.01 last 67.36)
 - open/close 2037 (time 1763351806.91 total 30.01 last 76.67)
 - open/close 2693 (time 1763351816.92 total 40.02 last 65.53)
 - open/close 3357 (time 1763351826.93 total 50.03 last 66.38)
 - open/close 4014 (time 1763351836.94 total 60.04 last 65.60)
 - open/close 4654 (time 1763351846.94 total 70.04 last 63.99)
total: 5000 open/close in 75.41 seconds: 66.30 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1763351855 ; total 0 ; last 0)
total: 5000 unlinks in 54 seconds: 92.592590 unlinks/second
fail_loc=0