== sanity test 60c: unlink file when mds full ============ 20:46:56 (1786754816)
create 5000 files
 - open/close 488 (time 1786754831.31 total 10.01 last 48.74)
 - open/close 925 (time 1786754841.32 total 20.02 last 43.68)
 - open/close 1461 (time 1786754851.32 total 30.03 last 53.55)
 - open/close 1921 (time 1786754861.34 total 40.04 last 45.95)
 - open/close 2431 (time 1786754871.35 total 50.05 last 50.93)
 - open/close 2867 (time 1786754881.37 total 60.07 last 43.51)
 - open/close 3282 (time 1786754891.38 total 70.08 last 41.46)
 - open/close 3755 (time 1786754901.38 total 80.08 last 47.29)
 - open/close 4248 (time 1786754911.39 total 90.09 last 49.24)
 - open/close 4806 (time 1786754921.40 total 100.10 last 55.74)
total: 5000 open/close in 103.71 seconds: 48.21 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1786754929 ; total 0 ; last 0)
total: 5000 unlinks in 73 seconds: 68.493149 unlinks/second
fail_loc=0