Hi, i saw the following commit in dumpling: commit b5dafe1c0f7ecf7c3a25d0be5dfddcbe3d07e69e Author: Sage Weil <sage at redhat.com> Date: Wed Jun 18 11:02:58 2014 -0700 osd: allow io priority to be set for the disk_tp The disk_tp covers scrubbing, pg deletion, and snap trimming I've experienced high load on snap rollback multiple times. Is this also fixed by this commit? Stefam