On 4/1/20 2:35 PM, Tejun Heo wrote: > On Wed, Jul 24, 2019 at 10:37:55AM -0700, Tejun Heo wrote: >> blkcg->cgwb_refcnt is used to delay blkcg offlining so that blkgs >> don't get offlined while there are active cgwbs on them. However, it >> ends up making offlining unordered sometimes causing parents to be >> offlined before children. >> >> Let's fix this by making child blkcgs pin the parents' online states. >> >> Note that pin/unpin names are chosen over get/put intentionally >> because css uses get/put online for something different. >> >> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > > Jens, these two patches slipped through the cracks. Can you please take a look > at them? Huh indeed, looks fine to me. I'll add for 5.7, thanks. -- Jens Axboe
