== sanity test 60c: unlink file when mds full ============ 11:38:35 (1788622715)
create 5000 files
 - open/close 606 (time 1788622729.54 total 10.01 last 60.54)
 - open/close 1197 (time 1788622739.55 total 20.03 last 59.01)
 - open/close 1720 (time 1788622749.58 total 30.05 last 52.17)
 - open/close 2305 (time 1788622759.59 total 40.06 last 58.44)
 - open/close 2900 (time 1788622769.59 total 50.07 last 59.46)
 - open/close 3418 (time 1788622779.61 total 60.08 last 51.73)
 - open/close 3996 (time 1788622789.61 total 70.08 last 57.79)
 - open/close 4529 (time 1788622799.62 total 80.09 last 53.24)
total: 5000 open/close in 89.16 seconds: 56.08 ops/second
fail_loc=0x80000137
 - unlinked 0 (time 1788622813 ; total 1 ; last 1)
total: 5000 unlinks in 68 seconds: 73.529411 unlinks/second
fail_loc=0