Run all of our cases with no thrashing. This would have uncovered
http://tracker.ceph.com/issues/19131 much sooner!
Signed-off-by: Sage Weil <sage@redhat.com>
Rather than blocking the main op queue, just pause for that amount of
time between state machine cycles.
Also, add osd_snap_trim_sleep to a few of the thrasher yamls.
Signed-off-by: Samuel Just <sjust@redhat.com>