io_uring: refactor io_queue_rsrc_removal()

Pass rsrc_node into io_queue_rsrc_removal() explicitly. Just a
simple preparation patch, makes following changes nicer.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/002889ce4de7baf287f2b010eef86ffe889174c6.1617287883.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

fs/io_uring.c

@@ -7754,27 +7754,20 @@ static int io_sqe_file_register(struct io_ring_ctx *ctx, struct file *file,
 #endif
 }
 
-static int io_queue_rsrc_removal(struct io_rsrc_data *data, void *rsrc)
+static int io_queue_rsrc_removal(struct io_rsrc_data *data,
+				 struct io_rsrc_node *node, void *rsrc)
 {
 	struct io_rsrc_put *prsrc;
-	struct io_rsrc_node *ref_node = data->node;
 
 	prsrc = kzalloc(sizeof(*prsrc), GFP_KERNEL);
 	if (!prsrc)
 		return -ENOMEM;
 
 	prsrc->rsrc = rsrc;
-	list_add(&prsrc->list, &ref_node->rsrc_list);
-
+	list_add(&prsrc->list, &node->rsrc_list);
 	return 0;
 }
 
-static inline int io_queue_file_removal(struct io_rsrc_data *data,
-					struct file *file)
-{
-	return io_queue_rsrc_removal(data, (void *)file);
-}
-
 static int __io_sqe_files_update(struct io_ring_ctx *ctx,
 				 struct io_uring_rsrc_update *up,
 				 unsigned nr_args)
@@ -7809,7 +7802,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
 
 		if (*file_slot) {
 			file = (struct file *) ((unsigned long) *file_slot & FFS_MASK);
-			err = io_queue_file_removal(data, file);
+			err = io_queue_rsrc_removal(data, data->node, file);
 			if (err)
 				break;
 			*file_slot = NULL;