]> git.baikalelectronics.ru Git - kernel.git/commitdiff
io-wq: delete dead lock shuffling code
authorJens Axboe <axboe@kernel.dk>
Wed, 19 Jan 2022 20:11:58 +0000 (13:11 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 19 Jan 2022 20:11:58 +0000 (13:11 -0700)
We used to have more code around the work loop, but now the goto and
lock juggling just makes it less readable than it should. Get rid of it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io-wq.c

index 1efb134c98b7f279d8a585f3887fdb3e939658b9..013e12b9fabfee26d32cb1ddb398bdc4f1b834e9 100644 (file)
@@ -547,7 +547,7 @@ static void io_worker_handle_work(struct io_worker *worker)
 
        do {
                struct io_wq_work *work;
-get_next:
+
                /*
                 * If we got some work, mark us as busy. If we didn't, but
                 * the list isn't empty, it means we stalled on hashed work.
@@ -606,11 +606,6 @@ get_next:
                                spin_unlock_irq(&wq->hash->wait.lock);
                                if (wq_has_sleeper(&wq->hash->wait))
                                        wake_up(&wq->hash->wait);
-                               raw_spin_lock(&wqe->lock);
-                               /* skip unnecessary unlock-lock wqe->lock */
-                               if (!work)
-                                       goto get_next;
-                               raw_spin_unlock(&wqe->lock);
                        }
                } while (work);