On Thu, 19 Jan 2023 19:03:47 +0800, Yu Kuai wrote: > 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]). > > [...] Applied, thanks! [1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done commit: c7241babf0855d8a6180cd1743ff0ec34de40b4e [2/3] blk-cgroup: support to track if policy is online commit: dfd6200a095440b663099d8d42f1efb0175a1ce3 [3/3] blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy() commit: f1c006f1c6850c14040f8337753a63119bba39b9 Best regards, -- Jens Axboe