writeback: remove dead code in wb_blkcg/memcg_offline

Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jiufei Xue 2018-02-28 13:44:18 +08:00 committed by Jens Axboe
parent 723fbf563a
commit 025aecd8bd

View File

@ -745,7 +745,6 @@ static void cgwb_bdi_unregister(struct backing_dev_info *bdi)
*/
void wb_memcg_offline(struct mem_cgroup *memcg)
{
LIST_HEAD(to_destroy);
struct list_head *memcg_cgwb_list = mem_cgroup_cgwb_list(memcg);
struct bdi_writeback *wb, *next;
@ -764,7 +763,6 @@ void wb_memcg_offline(struct mem_cgroup *memcg)
*/
void wb_blkcg_offline(struct blkcg *blkcg)
{
LIST_HEAD(to_destroy);
struct bdi_writeback *wb, *next;
spin_lock_irq(&cgwb_lock);