Hello, On Thu, Aug 30, 2018 at 09:53:41PM -0400, Dennis Zhou wrote: > This is a fairly lengthy patchset that aims to cleanup reference > counting for blkcgs and blkgs. There are 4 problems that this patchset > tries to address: > 1. fix blkcg destruction > 2. always associate a bio with a blkg > 3. remove the extra css ref held by bios and utilize the blkg ref > 4. add average latency tracking to blkcg core in io.stat. 1 is already merged. Reviewed 2, 3 parts. Generally looks great. Let's try to address the found issues and get these two parts merged first. Thanks. -- tejun