From 025aecd8bdfed9ee1325d3f21d0f84b3622bdda5 Mon Sep 17 00:00:00 2001
From: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Date: Wed, 28 Feb 2018 13:44:18 +0800
Subject: [PATCH] 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>
---
mm/backing-dev.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index b5f940ce0143b..d2984e9fcf084 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -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);
--
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