blkcg: alloc per cpu stats from worker thread in a delayed manner

[karo-tx-linux.git] / block / blk-cgroup.h

diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 98cd8533378f68f21fd9c9a8de1915c7fb2da8cf..1de32fe0e2afa5a030b739f691cf66b16cda0331 100644 (file)
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -190,6 +190,8 @@ struct blkio_group {
        spinlock_t stats_lock;
        struct blkg_policy_data *pd[BLKIO_NR_POLICIES];
 
+       /* List of blkg waiting for per cpu stats memory to be allocated */
+       struct list_head alloc_node;
        struct rcu_head rcu_head;
 };