io_uring: remove task ref helpers

They are only used right where they are defined, just open-code them
inside io_put_task().

Signed-off-by: Jens Axboe <[email protected]>

Author: axboe

io_uring/io_uring.c

@@ -677,30 +677,19 @@ static void io_cqring_do_overflow_flush(struct io_ring_ctx *ctx)
 	mutex_unlock(&ctx->uring_lock);
 }
 
-/* can be called by any task */
-static void io_put_task_remote(struct task_struct *task)
-{
-	struct io_uring_task *tctx = task->io_uring;
-
-	percpu_counter_sub(&tctx->inflight, 1);
-	if (unlikely(atomic_read(&tctx->in_cancel)))
-		wake_up(&tctx->wait);
-	put_task_struct(task);
-}
-
-/* used by a task to put its own references */
-static void io_put_task_local(struct task_struct *task)
-{
-	task->io_uring->cached_refs++;
-}
-
 /* must to be called somewhat shortly after putting a request */
 static inline void io_put_task(struct task_struct *task)
 {
-	if (likely(task == current))
-		io_put_task_local(task);
-	else
-		io_put_task_remote(task);
+	struct io_uring_task *tctx = task->io_uring;
+
+	if (likely(task == current)) {
+		tctx->cached_refs++;
+	} else {
+		percpu_counter_sub(&tctx->inflight, 1);
+		if (unlikely(atomic_read(&tctx->in_cancel)))
+			wake_up(&tctx->wait);
+		put_task_struct(task);
+	}
 }
 
 void io_task_refs_refill(struct io_uring_task *tctx)