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Date:   Mon, 13 Feb 2023 06:45:37 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     David Howells <dhowells@redhat.com>
Cc:     Jens Axboe <axboe@kernel.dk>, Al Viro <viro@zeniv.linux.org.uk>,
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        linux-mm@kvack.org, Christoph Hellwig <hch@lst.de>,
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Subject: Re: [PATCH 2/4] splice: Provide pipe_head_buf() helper
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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@lst.de>

There's also a bunch of spots in existing code that should use this
helper.