linux-kernel - Re: [PATCH 1/5] tracing/events: make the filter files writable

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Message-ID: <20090322221221.GH6002@nowhere>
Date:	Sun, 22 Mar 2009 23:12:22 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Tom Zanussi <tzanussi@...il.com>
Subject: Re: [PATCH 1/5] tracing/events: make the filter files writable

On Sun, Mar 22, 2009 at 11:10:43PM +0100, Frederic Weisbecker wrote:
> We need the filter files to be writable, the current
> filter file permissions make are only set readable.
> 
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
> ---
>  kernel/trace/trace_events.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
> index 594d78a..19f61dd 100644
> --- a/kernel/trace/trace_events.c
> +++ b/kernel/trace/trace_events.c
> @@ -706,7 +706,7 @@ event_subsystem_dir(const char *name, struct dentry *d_events)
>  
>  	system->preds = NULL;
>  
> -	entry = debugfs_create_file("filter", 0444, system->entry, system,
> +	entry = debugfs_create_file("filter", 0644, system->entry, system,
>  				    &ftrace_subsystem_filter_fops);
>  	if (!entry)
>  		pr_warning("Could not create debugfs "
> @@ -769,7 +769,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events)
>  		}
>  	}
>  
> -	entry = debugfs_create_file("filter", 0444, call->dir, call,
> +	entry = debugfs_create_file("filter", 0644, call->dir, call,
>  				    &ftrace_event_filter_fops);
>  	if (!entry)
>  		pr_warning("Could not create debugfs "
> -- 
> 1.6.1
> 


Adding Tom Zanussi in Cc.

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