From mboxrd@z Thu Jan  1 00:00:00 1970
From: zhaolei@cn.fujitsu.com (Zhaolei)
Date: Fri, 31 Oct 2008 10:00:35 +0800
Subject: [ltt-dev] [PATCH]
	Separateltt_trace_create()intoltt_trace_create() and
	ltt_trace_alloc()
References: <B42BD3DB473F4EA5AC9BE686AEF2338E@zhaoleiwin>
	<20081030144944.GB13812@Krystal>
Message-ID: <9112741BE5C342BA9B62AFBB5BC76B44@zhaoleiwin>

* Mathieu wrote:
>> It lakes control-file for destroy a trace and setup trace_type.
>> So I think we should change tree struct as follow,
>> Do you hace some comment?
>> 
>> `-- debugfs
>>     `-- ltt
>>         |-- buffers
>>         |   `-- ...
>>         |-- control
>>         |   `-- trace1
>>         |       |-- alloc
> 
> echo 1 > alloc -> allocate
> echo 0 > alloc -> free ?
Hello, Mathieu,

When we free a trace, dir of debugfs/ltt/control/trace_name/ is deleted include file of
debugfs/ltt/control/trace_name/control/alloc,
So is it dangerous when we delete this file in itself's file_op?

B.R.
Zhaolei