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From:   David Howells <dhowells@redhat.com>
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To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     dhowells@redhat.com, Matthew Wilcox <willy@infradead.org>,
        Miklos Szeredi <miklos@szeredi.hu>,
        Matt Whitlock <kernel@mattwhitlock.name>,
        netdev@vger.kernel.org, Dave Chinner <david@fromorbit.com>,
        Jens Axboe <axboe@kernel.dk>, linux-fsdevel@kvack.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Christoph Hellwig <hch@lst.de>, linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH 1/4] splice: Fix corruption of spliced data after splice() returns
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Date:   Mon, 24 Jul 2023 10:44:24 +0100
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Linus Torvalds <torvalds@linux-foundation.org> wrote:

> > So what's the API that provides the semantics of _copying_?
> 
> It's called "read()" and "write()".

What about copy_file_range()?  That seems to fall back to splicing if not
directly implemented by the filesystem.  It looks like the manpage for that
needs updating too - or should that actually copy?

David