On 1/28/23 11:06 PM, Yu Kuai wrote: > Hi, Jens > > 在 2023/01/20 2:54, Jens Axboe 写道: >> On 1/19/23 4:03 AM, Yu Kuai wrote: >>> From: Yu Kuai <yukuai3@xxxxxxxxxx> >>> >>> Changes in v3: >>> - add ack tag from Tejun for patch 1,2 >>> - as suggested by Tejun, update commit message and comments in patch 3 >>> >>> The problem was found in iocost orignally([1]) that ioc can be freed in >>> ioc_pd_free(). And later we found that there are more problem in >>> iocost([2]). >>> >>> After some discussion, as suggested by Tejun([3]), we decide to fix the >>> problem that parent pd can be freed before child pd in cgroup layer >>> first. And the problem in [1] will be fixed later if this patchset is >>> applied. >> >> Doesn't apply against for-6.3/block (or linux-next or my for-next, for >> that matter). Can you resend a tested one against for-6.3/block? >> > > This is weird, I just test latest linux-next, and I can apply this > patchset on the top of following commit: > > For latest for-6.3/block, this patch 2 can't be applied because > following commit is not here: > > e3ff8887e7db blk-cgroup: fix missing pd_online_fn() while activating policy > > But this patch is already merged into 6.2-rc5. Since I have one more conflict, I think we'll just rebase for-6.3/block when -rc6 is out, and then it should apply cleanly. -- Jens Axboe
