Commit fd1c4bc6 authored by Hillf Danton's avatar Hillf Danton Committed by Jens Axboe
Browse files

io-wq: add cond_resched() to worker thread 



Reschedule the current IO worker to cut the risk that it is becoming
a cpu hog.

Signed-off-by: default avatarHillf Danton <hdanton@sina.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 1f424e8b

fs/io-wq.c

+2 −0
Original line number Diff line number Diff line
@@ -429,6 +429,8 @@ static void io_worker_handle_work(struct io_worker *worker) 
		if (signal_pending(current))

			flush_signals(current);



		cond_resched();



		spin_lock_irq(&worker->lock);

		worker->cur_work = work;

		spin_unlock_irq(&worker->lock);