== sanity test 60c: unlink file when mds full ============ 10:27:16 (1780324036)
create 5000 files
 - open/close 717 (time 1780324048.83 total 10.01 last 71.63)
 - open/close 1477 (time 1780324058.83 total 20.01 last 75.99)
 - open/close 2205 (time 1780324068.84 total 30.02 last 72.72)
 - open/close 2945 (time 1780324078.84 total 40.02 last 73.99)
 - open/close 3674 (time 1780324088.85 total 50.03 last 72.86)
 - open/close 4412 (time 1780324098.87 total 60.05 last 73.62)
total: 5000 open/close in 67.90 seconds: 73.64 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1780324108 ; total 0 ; last 0)
total: 5000 unlinks in 49 seconds: 102.040817 unlinks/second
fail_loc=0