== sanity test 60c: unlink file when mds full ============ 17:09:30 (1787605770)
create 5000 files
 - open/close 291 (time 1787605786.58 total 10.04 last 28.97)
 - open/close 555 (time 1787605796.59 total 20.06 last 26.36)
 - open/close 1010 (time 1787605806.60 total 30.07 last 45.46)
 - open/close 1353 (time 1787605816.61 total 40.08 last 34.25)
 - open/close 1789 (time 1787605826.62 total 50.09 last 43.56)
 - open/close 2300 (time 1787605836.64 total 60.11 last 51.01)
 - open/close 2763 (time 1787605846.65 total 70.12 last 46.25)
 - open/close 3182 (time 1787605856.66 total 80.13 last 41.87)
 - open/close 3599 (time 1787605866.68 total 90.14 last 41.63)
 - open/close 3941 (time 1787605876.68 total 100.15 last 34.20)
 - open/close 4387 (time 1787605886.69 total 110.16 last 44.53)
 - open/close 4885 (time 1787605896.70 total 120.17 last 49.76)
total: 5000 open/close in 122.74 seconds: 40.74 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1787605904 ; total 0 ; last 0)
total: 5000 unlinks in 81 seconds: 61.728394 unlinks/second
fail_loc=0