== sanity test 60c: unlink file when mds full ============ 14:20:49 (1783966849)
create 5000 files
 - open/close 459 (time 1783966863.48 total 10.00 last 45.88)
 - open/close 899 (time 1783966873.50 total 20.02 last 43.91)
 - open/close 1385 (time 1783966883.51 total 30.03 last 48.58)
 - open/close 1859 (time 1783966893.52 total 40.04 last 47.34)
 - open/close 2324 (time 1783966903.54 total 50.06 last 46.43)
 - open/close 2820 (time 1783966913.56 total 60.08 last 49.50)
 - open/close 3224 (time 1783966923.56 total 70.08 last 40.39)
 - open/close 3631 (time 1783966933.57 total 80.09 last 40.67)
 - open/close 4086 (time 1783966943.58 total 90.10 last 45.45)
 - open/close 4517 (time 1783966953.58 total 100.11 last 43.07)
 - open/close 4961 (time 1783966963.60 total 110.12 last 44.34)
total: 5000 open/close in 110.96 seconds: 45.06 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1783966969 ; total 1 ; last 1)
total: 5000 unlinks in 80 seconds: 62.500000 unlinks/second
fail_loc=0