io-wq: use kfree_rcu() to simplify the code (364b05fd) · Commits · 戴 / test

The callback function of call_rcu() just calls kfree(), so we can use kfree_rcu() instead of call_rcu() + callback function. Signed-off-by:

fs/io-wq.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -102,13 +102,6 @@ struct io_wq {
		struct completion done;
		};

		static void io_wq_free_worker(struct rcu_head *head)
		{
		struct io_worker *worker = container_of(head, struct io_worker, rcu);

		kfree(worker);
		}

		static bool io_worker_get(struct io_worker *worker)
		{
		return refcount_inc_not_zero(&worker->ref);
		@@ -194,7 +187,7 @@ static void io_worker_exit(struct io_worker *worker)
		if (all_done && refcount_dec_and_test(&wqe->wq->refs))
		complete(&wqe->wq->done);

		call_rcu(&worker->rcu, io_wq_free_worker);
		kfree_rcu(worker, rcu);
		}

		static void io_worker_start(struct io_wqe wqe, struct io_worker worker)