== sanity test 60c: unlink file when mds full ============ 19:51:11 (1767315071)
create 5000 files
 - open/close 607 (time 1767315085.29 total 10.02 last 60.58)
 - open/close 1173 (time 1767315095.30 total 20.03 last 56.56)
 - open/close 1561 (time 1767315105.32 total 30.05 last 38.70)
 - open/close 1822 (time 1767315115.33 total 40.06 last 26.09)
 - open/close 2148 (time 1767315125.33 total 50.06 last 32.59)
 - open/close 2582 (time 1767315135.35 total 60.08 last 43.31)
 - open/close 3148 (time 1767315145.36 total 70.09 last 56.55)
 - open/close 3646 (time 1767315155.36 total 80.09 last 49.79)
 - open/close 4111 (time 1767315165.37 total 90.10 last 46.47)
 - open/close 4615 (time 1767315175.39 total 100.12 last 50.31)
total: 5000 open/close in 107.75 seconds: 46.40 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1767315187 ; total 0 ; last 0)
total: 5000 unlinks in 76 seconds: 65.789474 unlinks/second
fail_loc=0