Commit 364b05fd authored by YueHaibing's avatar YueHaibing Committed by Jens Axboe
Browse files

io-wq: use kfree_rcu() to simplify the code 



The callback function of call_rcu() just calls kfree(), so we can use
kfree_rcu() instead of call_rcu() + callback function.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 0069fc6b

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)