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

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Message-ID: <661360.1688138974@warthog.procyon.org.uk>
Date:   Fri, 30 Jun 2023 16:29:34 +0100
From:   David Howells <dhowells@...hat.com>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     dhowells@...hat.com, netdev@...r.kernel.org,
        Matthew Wilcox <willy@...radead.org>,
        Dave Chinner <david@...morbit.com>,
        Matt Whitlock <kernel@...twhitlock.name>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Jens Axboe <axboe@...nel.dk>, linux-fsdevel@...ck.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>, linux-fsdevel@...r.kernel.org
Subject: Re: [RFC PATCH 2/4] splice: Make vmsplice() steal or copy

Simon Horman <simon.horman@...igine.com> wrote:

> 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.

See patch 3.

David