== sanity test 60c: unlink file when mds full ============ 14:32:15 (1786732335)
create 5000 files
 - open/close 479 (time 1786732350.54 total 10.03 last 47.76)
 - open/close 915 (time 1786732360.57 total 20.06 last 43.48)
 - open/close 1372 (time 1786732370.57 total 30.06 last 45.70)
 - open/close 1902 (time 1786732380.60 total 40.09 last 52.84)
 - open/close 2467 (time 1786732390.63 total 50.11 last 56.36)
 - open/close 2985 (time 1786732400.63 total 60.11 last 51.79)
 - open/close 3464 (time 1786732410.63 total 70.12 last 47.88)
 - open/close 3952 (time 1786732420.63 total 80.12 last 48.78)
 - open/close 4412 (time 1786732430.66 total 90.15 last 45.87)
 - open/close 4913 (time 1786732440.67 total 100.15 last 50.07)
total: 5000 open/close in 102.01 seconds: 49.01 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786732447 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0