From: Pavel Begunkov <asml.silence@gmail.com>
Date: Mon, 14 Jun 2021 01:36:17 +0000 (+0100)
Subject: io-wq: simplify worker exiting
X-Git-Tag: for-5.14/io_uring-2021-06-29~71
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e587227b680f798dd74644d047dd52ddb36cb82c;p=linux-block.git

io-wq: simplify worker exiting

io_worker_handle_work() already takes care of the empty list case and
releases spinlock, so get rid of ugly conditional unlocking and
unconditionally call handle_work()

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7521e485677f381036676943e876a0afecc23017.1623634181.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 8c13e23d4a8a..2c37776c0280 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -565,10 +565,7 @@ loop:
 
 	if (test_bit(IO_WQ_BIT_EXIT, &wq->state)) {
 		raw_spin_lock_irq(&wqe->lock);
-		if (!wq_list_empty(&wqe->work_list))
-			io_worker_handle_work(worker);
-		else
-			raw_spin_unlock_irq(&wqe->lock);
+		io_worker_handle_work(worker);
 	}
 
 	io_worker_exit(worker);