linux-kernel - [PATCH v2 5/5] io_uring: remove io_prep_next

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Date:   Sat, 29 Feb 2020 02:37:29 +0300
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 5/5] io_uring: remove io_prep_next_work()

io-wq about IO_WQ_WORK_UNBOUND flag only while enqueueing, so it's
useless setting it for a next req of a link. Thet only useful thing
there is io_prep_linked_timeout(). Inline it.

Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
---
 fs/io_uring.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index cefbae582b5f..b16cad7ebe40 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -999,17 +999,6 @@ static inline void io_req_work_drop_env(struct io_kiocb *req)
 	}
 }
 
-static inline void io_prep_next_work(struct io_kiocb *req,
-				     struct io_kiocb **link)
-{
-	const struct io_op_def *def = &io_op_defs[req->opcode];
-
-	if (!(req->flags & REQ_F_ISREG) && def->unbound_nonreg_file)
-		req->work.flags |= IO_WQ_WORK_UNBOUND;
-
-	*link = io_prep_linked_timeout(req);
-}
-
 static inline bool io_prep_async_work(struct io_kiocb *req,
 				      struct io_kiocb **link)
 {
@@ -6076,8 +6065,8 @@ static void io_wq_assign_next(struct io_wq_work **workptr, struct io_kiocb *req)
 {
 	struct io_kiocb *link;
 
-	io_prep_next_work(req, &link);
 	*workptr = &req->work;
+	link = io_prep_linked_timeout(req);
 	if (link) {
 		req->work.func = io_link_work_cb;
 		req->work.data = link;
-- 
2.24.0