io_uring: remove io_req_tw_post_queue

[ Upstream commit 833b5df ]

Remove io_req_tw_post() and io_req_tw_post_queue(), we can use
io_req_task_complete() instead.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b9b73c08022c7f1457023ac841f35c0100e70345.1669203009.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: ef5c600 ("io_uring: always prep_async for drain requests")
Signed-off-by: Sasha Levin <sashal@kernel.org>

io_uring/io_uring.c

@@ -1236,18 +1236,6 @@ int io_run_local_work(struct io_ring_ctx *ctx)
 	return ret;
 }
 
-static void io_req_tw_post(struct io_kiocb *req, bool *locked)
-{
-	io_req_complete_post(req);
-}
-
-void io_req_tw_post_queue(struct io_kiocb *req, s32 res, u32 cflags)
-{
-	io_req_set_res(req, res, cflags);
-	req->io_task_work.func = io_req_tw_post;
-	io_req_task_work_add(req);
-}
-
 static void io_req_task_cancel(struct io_kiocb *req, bool *locked)
 {
 	/* not needed for normal modes, but SQPOLL depends on it */

io_uring/io_uring.h

@@ -53,7 +53,6 @@ static inline bool io_req_ffs_set(struct io_kiocb *req)
 void __io_req_task_work_add(struct io_kiocb *req, bool allow_local);
 bool io_is_uring_fops(struct file *file);
 bool io_alloc_async_data(struct io_kiocb *req);
-void io_req_tw_post_queue(struct io_kiocb *req, s32 res, u32 cflags);
 void io_req_task_queue(struct io_kiocb *req);
 void io_queue_iowq(struct io_kiocb *req, bool *dont_use);
 void io_req_task_complete(struct io_kiocb *req, bool *locked);
@@ -380,4 +379,11 @@ static inline bool io_allowed_run_tw(struct io_ring_ctx *ctx)
 		      ctx->submitter_task == current);
 }
 
+static inline void io_req_queue_tw_complete(struct io_kiocb *req, s32 res)
+{
+	io_req_set_res(req, res, 0);
+	req->io_task_work.func = io_req_task_complete;
+	io_req_task_work_add(req);
+}
+
 #endif

io_uring/timeout.c

@@ -63,7 +63,7 @@ static bool io_kill_timeout(struct io_kiocb *req, int status)
 		atomic_set(&req->ctx->cq_timeouts,
 			atomic_read(&req->ctx->cq_timeouts) + 1);
 		list_del_init(&timeout->list);
-		io_req_tw_post_queue(req, status, 0);
+		io_req_queue_tw_complete(req, status);
 		return true;
 	}
 	return false;
@@ -161,7 +161,7 @@ void io_disarm_next(struct io_kiocb *req)
 		req->flags &= ~REQ_F_ARM_LTIMEOUT;
 		if (link && link->opcode == IORING_OP_LINK_TIMEOUT) {
 			io_remove_next_linked(req);
-			io_req_tw_post_queue(link, -ECANCELED, 0);
+			io_req_queue_tw_complete(link, -ECANCELED);
 		}
 	} else if (req->flags & REQ_F_LINK_TIMEOUT) {
 		struct io_ring_ctx *ctx = req->ctx;
@@ -170,7 +170,7 @@ void io_disarm_next(struct io_kiocb *req)
 		link = io_disarm_linked_timeout(req);
 		spin_unlock_irq(&ctx->timeout_lock);
 		if (link)
-			io_req_tw_post_queue(link, -ECANCELED, 0);
+			io_req_queue_tw_complete(link, -ECANCELED);
 	}
 	if (unlikely((req->flags & REQ_F_FAIL) &&
 		     !(req->flags & REQ_F_HARDLINK)))