linux-kernel - Re: [PATCH v2 1/8] /proc/net/ entries for bluetooth protocols

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Date:	Tue, 10 Jul 2012 17:06:58 +0300
From:	Andrei Emeltchenko <andrei.emeltchenko.news@...il.com>
To:	Masatake YAMATO <yamato@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org
Subject: Re: [PATCH v2 1/8] /proc/net/ entries for bluetooth protocols

Hi Masatake,

On Mon, Jun 18, 2012 at 07:00:14PM +0900, Masatake YAMATO wrote:
> (I reflected the result of reviewing by Andrei.)
> 
> lsof command can tell the type of socket processes are using.
> Internal lsof uses inode numbers on socket fs to resolve the type of
> sockets. Files under /proc/net/, such as tcp, udp, unix, etc provides
> such inode information.
> 
> Unfortunately bluetooth related protocols don't provide such inode
> information. This patch series introduces /proc/net files for the protocols.
> 
> This patch against af_bluetooth.c provides facility to the implementation
> of protocols. This patch extends bt_sock_list and introduces two exported
> function bt_procfs_init, bt_procfs_cleanup.
> 
> The type bt_sock_list is already used in some of implementation of
> protocols. bt_procfs_init prepare seq_operations which converts
> protocol own bt_sock_list data to protocol own proc entry when the
> entry is accessed.
> 
> What I, lsof user, need is just inode number of bluetooth
> socket. However, people may want more information. The bt_procfs_init
> takes a function pointer for customizing the show handler of
> seq_operations.
> 
> Signed-off-by: Masatake YAMATO <yamato@...hat.com>
> ---
>  include/net/bluetooth/bluetooth.h |   10 +++
>  net/bluetooth/af_bluetooth.c      |  136 +++++++++++++++++++++++++++++++++++++
>  2 files changed, 146 insertions(+)
> 
> diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
> index 961669b..9c44977 100644
> --- a/include/net/bluetooth/bluetooth.h
> +++ b/include/net/bluetooth/bluetooth.h
> @@ -30,6 +30,7 @@
>  #include <linux/list.h>

The line above was removed by commit

commit 8c520a59927a5600973782505dbb750d985057c4
Author: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
Date:   Wed May 23 04:04:22 2012 -0300

    Bluetooth: Remove unnecessary headers include

Best regards 
Andrei Emeltchenko 

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