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Date: Mon, 23 Nov 2009 00:37:00 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: "Helight.Xu" <helight.xu@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: =?utf-8?B?5aaC5L2V6YCa6L+HZmTmib7liLA=?=
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On Fri, Nov 20, 2009 at 02:33:48PM +0800, Helight.Xu wrote:
> 在用户程序中打开文件进行编辑，那在内核中如何能通过open后的fd
> 来找到相应打开文件的路径及其名字呢？
>

问题是你为什么要在内核中做呢？在用户空间完全可以完成：

 % readlink /proc/<PID>/fd/X


-- 
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