netdev - Re: [PATCH net-next 4/4] net: af_unix: implement splice for stream af

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Message-ID: <CAHA+R7MO1H8kCqwGd4dcEMJOB0D=qUdYkKq1K1Mmc5jJAQVikw@mail.gmail.com>
Date:	Wed, 20 May 2015 13:59:05 -0700
From:	Cong Wang <cwang@...pensource.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 4/4] net: af_unix: implement splice for stream
 af_unix sockets

On Wed, May 20, 2015 at 8:35 AM, Hannes Frederic Sowa
<hannes@...essinduktion.org> wrote:
>
> -static int unix_stream_recvmsg(struct socket *sock, struct msghdr *msg,
> -                              size_t size, int flags)
> +struct unix_stream_read_state {
> +       int (*recv_actor)(struct sk_buff *, int, int,
> +                         struct unix_stream_read_state *);
> +       struct socket *socket;
> +       struct msghdr *msg;
> +       struct pipe_inode_info *pipe;
> +       size_t size;
> +       int flags;
> +       unsigned int splice_flags;
> +};
> +
> +static __always_inline
> +int unix_stream_read_generic(struct unix_stream_read_state *state)


Why __always_inline here?
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