== sanity test 60c: unlink file when mds full ============ 10:35:18 (1783953318)
create 5000 files
 - open/close 382 (time 1783953332.90 total 10.02 last 38.14)
 - open/close 886 (time 1783953342.91 total 20.03 last 50.34)
 - open/close 1383 (time 1783953352.92 total 30.03 last 49.67)
 - open/close 1843 (time 1783953362.92 total 40.04 last 45.97)
 - open/close 2281 (time 1783953372.93 total 50.04 last 43.78)
 - open/close 2804 (time 1783953382.93 total 60.05 last 52.26)
 - open/close 3341 (time 1783953392.96 total 70.08 last 53.57)
 - open/close 3767 (time 1783953402.96 total 80.08 last 42.58)
 - open/close 4333 (time 1783953412.97 total 90.09 last 56.55)
 - open/close 4832 (time 1783953422.98 total 100.09 last 49.88)
total: 5000 open/close in 104.09 seconds: 48.04 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783953432 ; total 0 ; last 0)
total: 5000 unlinks in 65 seconds: 76.923080 unlinks/second
fail_loc=0