linux-kernel - Re: [PATCH 2/3] tracing: Make tracing work when debugfs is not compiled or initialized.

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Message-ID: <20151102091637.0fcc05b2@gandalf.local.home>
Date:	Mon, 2 Nov 2015 09:16:37 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Jiaxing Wang <hello.wjx@...il.com>
Cc:	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [PATCH 2/3] tracing: Make tracing work when debugfs is not
 compiled or initialized.

On Mon, 19 Oct 2015 09:54:16 +0800
Jiaxing Wang <hello.wjx@...il.com> wrote:

> Sorry for the last patch, please use this to add stub for
> debugfs_create_automount().

Can you fold this into patch number two and resubmit that patch.

Thanks,

-- Steve

> 
> >From b3b877d8d9fd9795ea1055042039a272e47f4dc5 Mon Sep 17 00:00:00 2001
> From: Jiaxing Wang <hello.wjx@...il.com>
> Date: Mon, 19 Oct 2015 09:46:12 +0800
> Subject: [PATCH] debugfs: Add stub function for debugfs_create_automount().
> 
> Add stub for debugfs_create_automount() for when debugfs is not configured
> in.
> 
> Signed-off-by: Jiaxing Wang <hello.wjx@...il.com>
> ---
>  include/linux/debugfs.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
> index 9beb636..b42ef88 100644
> --- a/include/linux/debugfs.h
> +++ b/include/linux/debugfs.h
> @@ -160,6 +160,14 @@ static inline struct dentry *debugfs_create_symlink(const char *name,
>  	return ERR_PTR(-ENODEV);
>  }
>  
> +static inline struct dentry *debugfs_create_automount(const char *name,
> +					struct dentry *parent,
> +					struct vfsmount *(*f)(void *),
> +					void *data)
> +{
> +	return ERR_PTR(-ENODEV);
> +}
> +
>  static inline void debugfs_remove(struct dentry *dentry)
>  { }
>  

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