Commit 21f2fc08 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: remove unused park_task_work 



As sqpoll cancel via task_work is killed, remove everything related to
park_task_work as it's not used anymore.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/310d8b76a2fbbf3e139373500e04ad9af7ee3dbb.1621201931.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent aaa9f0f4

fs/io_uring.c

+0 −7
Original line number Diff line number Diff line
@@ -288,7 +288,6 @@ struct io_sq_data { 


	unsigned long		state;

	struct completion	exited;

	struct callback_head	*park_task_work;

};



#define IO_IOPOLL_BATCH			8
@@ -6834,7 +6833,6 @@ static bool io_sqd_handle_event(struct io_sq_data *sqd) 
		mutex_lock(&sqd->lock);

	}

	io_run_task_work();

	io_run_task_work_head(&sqd->park_task_work);

	return did_sig || test_bit(IO_SQ_THREAD_SHOULD_STOP, &sqd->state);

}
@@ -6856,9 +6854,6 @@ static int io_sq_thread(void *data) 
	current->flags |= PF_NO_SETAFFINITY;



	mutex_lock(&sqd->lock);

	/* a user may had exited before the thread started */

	io_run_task_work_head(&sqd->park_task_work);



	while (1) {

		int ret;

		bool cap_entries, sqt_spin, needs_sched;
@@ -6919,7 +6914,6 @@ static int io_sq_thread(void *data) 
		}



		finish_wait(&sqd->wait, &wait);

		io_run_task_work_head(&sqd->park_task_work);

		timeout = jiffies + sqd->sq_thread_idle;

	}
@@ -6928,7 +6922,6 @@ static int io_sq_thread(void *data) 
	list_for_each_entry(ctx, &sqd->ctx_list, sqd_list)

		io_ring_set_wakeup_flag(ctx);

	io_run_task_work();

	io_run_task_work_head(&sqd->park_task_work);

	mutex_unlock(&sqd->lock);



	complete(&sqd->exited);