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authorJiufei Xue <jiufei.xue@linux.alibaba.com>2018-02-28 13:44:18 +0800
committerJens Axboe <axboe@kernel.dk>2018-02-28 12:23:35 -0700
commit025aecd8bdfed9ee1325d3f21d0f84b3622bdda5 (patch)
treefd6afa4c79af72a53baca9e82030aa18504c29af
parent723fbf563a6a9cefbd3c58e95694583ad1cb8704 (diff)
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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>
-rw-r--r--mm/backing-dev.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index b5f940ce0143..d2984e9fcf08 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);