!946 icost bugfix

Merge Pull Request from: @ci-robot 
 
PR sync from:  Li Nan <linan122@huawei.com>
 https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/thread/EMFAV2GNNSOMDT4IALQKWD6C4CHZT436/ 
This patch series fix iocost bug.

Li Nan (1):
  blk-iocost: fix UAF in ioc_pd_free

Yu Kuai (3):
  blk-iocost: track whether iocg is still online
  blk-iocost: don't throttle bio if iocg is offlined
  blk-iocost: dispatch all throttled bio in ioc_pd_offline


-- 
2.39.2
 
 
Link:https://gitee.com/openeuler/kernel/pulls/946

 

Reviewed-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>