linux-kernel - Re: [PATCH v3 1/8] bluetooth: /proc/net/ entries for bluetooth protocols

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Date:	Tue, 24 Jul 2012 16:15:27 +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 v3 1/8] bluetooth: /proc/net/ entries for bluetooth
 protocols

Hi Masatake,

On Tue, Jul 24, 2012 at 10:08:31PM +0900, Masatake YAMATO wrote:
> (I have got no reply since 11th Jul. So I resend this mail here.
>  Please, review this patch and merge it if no problem.)
> 
> (The patch sets are rebased to bluetooth-next. Unnecessary white
>  spaces are trimmed.)
> 
> 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>

Tested-by: Andrei Emeltchenko <andrei.emeltchenko@...el.com> 

Best regards 
Andrei Emeltchenko 
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