On Mon, Feb 13, 2023 at 01:46:17PM +0000, David Howells wrote: > Provide a helper, pipe_head_buf(), to get the current head buffer from a > pipe. Implement this as a wrapper around a more general function, > pipe_buf(), that gets a specified buffer. Looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx> There's also a bunch of spots in existing code that should use this helper.