== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:57:46 (1788839866)
old_iused=446
 - open/close 579 (time 1788839882.42 total 10.00 last 57.89)
total: 1000 open/close in 17.72 seconds: 56.44 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788839900 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438