Subject: Re: [RFC PATCH 2/4] splice: Make vmsplice() steal or copy

From: Simon Horman <[email-masked]>
Date: Fri, 30 Jun 2023 15:44:35 +0200

On Thu, Jun 29, 2023 at 04:54:31PM +0100, David Howells wrote:

...

>  static int iter_to_pipe(struct iov_iter *from,
>  			struct pipe_inode_info *pipe,
>  			unsigned flags)
>  {
> -	struct pipe_buffer buf = {
> -		.ops = &user_page_pipe_buf_ops,

Hi David,

perhaps this patchset will change somewhat based on discussion
elsewhere in this thread.

But, on a more mundane level, GCC reports that user_page_pipe_buf_ops is
(now) unused.  I guess this was the last user, and user_page_pipe_buf_ops
can be removed as part of this patch.

...