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-rw-r--r--mm/backing-dev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 62f05f605fb5..c81b4f3a7268 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -491,8 +491,8 @@ static void cgwb_release_workfn(struct work_struct *work)
css_put(wb->blkcg_css);
mutex_unlock(&wb->bdi->cgwb_release_mutex);
- /* triggers blkg destruction if cgwb_refcnt becomes zero */
- blkcg_cgwb_put(blkcg);
+ /* triggers blkg destruction if no online users left */
+ blkcg_unpin_online(blkcg);
fprop_local_destroy_percpu(&wb->memcg_completions);
percpu_ref_exit(&wb->refcnt);
@@ -592,7 +592,7 @@ static int cgwb_create(struct backing_dev_info *bdi,
list_add_tail_rcu(&wb->bdi_node, &bdi->wb_list);
list_add(&wb->memcg_node, memcg_cgwb_list);
list_add(&wb->blkcg_node, blkcg_cgwb_list);
- blkcg_cgwb_get(blkcg);
+ blkcg_pin_online(blkcg);
css_get(memcg_css);
css_get(blkcg_css);
}