== sanity test 60c: unlink file when mds full ============ 07:59:17 (1787313557)
create 5000 files
 - open/close 535 (time 1787313572.14 total 10.02 last 53.37)
 - open/close 1007 (time 1787313582.14 total 20.03 last 47.19)
 - open/close 1600 (time 1787313592.16 total 30.04 last 59.20)
 - open/close 2176 (time 1787313602.18 total 40.06 last 57.48)
 - open/close 2507 (time 1787313612.21 total 50.10 last 32.98)
 - open/close 2849 (time 1787313622.22 total 60.10 last 34.19)
 - open/close 3271 (time 1787313632.24 total 70.13 last 42.10)
 - open/close 3760 (time 1787313642.28 total 80.16 last 48.73)
 - open/close 4245 (time 1787313652.28 total 90.17 last 48.46)
 - open/close 4710 (time 1787313662.30 total 100.18 last 46.43)
total: 5000 open/close in 106.65 seconds: 46.88 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787313676 ; total 0 ; last 0)
total: 5000 unlinks in 78 seconds: 64.102562 unlinks/second
fail_loc=0