blkg_destroy(blkg);
spin_unlock(&blkcg->lock);
}
+
+ /*
+ * root blkg is destroyed. Just clear the pointer since
+ * root_rl does not take reference on root blkg.
+ */
+ q->root_blkg = NULL;
+ q->root_rl.blkg = NULL;
}
static void blkg_rcu_free(struct rcu_head *rcu_head)