== sanity test 60c: unlink file when mds full ============ 04:02:02 (1789545722)
create 5000 files
 - open/close 537 (time 1789545736.69 total 10.03 last 53.56)
 - open/close 968 (time 1789545746.71 total 20.04 last 43.02)
 - open/close 1461 (time 1789545756.72 total 30.05 last 49.28)
 - open/close 1965 (time 1789545766.72 total 40.06 last 50.36)
 - open/close 2448 (time 1789545776.73 total 50.07 last 48.25)
 - open/close 2951 (time 1789545786.74 total 60.07 last 50.26)
 - open/close 3456 (time 1789545796.75 total 70.08 last 50.46)
 - open/close 3913 (time 1789545806.75 total 80.08 last 45.69)
 - open/close 4433 (time 1789545816.75 total 90.09 last 51.98)
 - open/close 4925 (time 1789545826.76 total 100.10 last 49.15)
total: 5000 open/close in 101.71 seconds: 49.16 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1789545833 ; total 0 ; last 0)
total: 5000 unlinks in 77 seconds: 64.935066 unlinks/second
fail_loc=0