From: Xiaotian Feng <xtfeng@gmail.com>
To: "Helight.Xu" <helight.xu@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 如何通过fd找到打开文件的路径及名称
Date: Fri, 20 Nov 2009 16:12:14 +0800 [thread overview]
Message-ID: <7b6bb4a50911200012s67b28e58g8109b71479ef4257@mail.gmail.com> (raw)
In-Reply-To: <4B06384C.2080703@gmail.com>
in fs/open.c
sys_open
| --> do_sys_open
|---> fd_install
Then fd is installed into file_fdtable
in fs/file_table.c
fget_light/fget
|----> fcheck_files
Then kernel get files from fd.
2009/11/20 Helight.Xu <helight.xu@gmail.com>:
> 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？
>
> --
> ---------------------------------
> Zhenwen Xu - Open and Free
> Home Page: http://zhwen.org
>
> --
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next prev parent reply other threads:[~2009-11-20 8:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-20 6:33 如何通过fd找到打开文件的路径及名称 Helight.Xu
2009-11-20 8:12 ` Xiaotian Feng [this message]
2009-11-20 9:55 ` 如何通过fd找到打开文件的路径及名称 Helight.Xu
2009-11-22 16:37 ` 如何通过fd找到打开文件的路径及名称 Américo Wang
2009-11-23 1:02 ` 如何通过fd找到打开文件的路径及名称 Helight.Xu
2009-11-23 14:41 ` 如何通过fd找到打开文件的路径及名称 Américo Wang
[not found] ` <alpine.LRH.2.00.0911231605340.3659@twin.jikos.cz>
2009-11-23 15:31 ` 如何通过fd找到打开文件的路径及名称 Américo Wang
2009-11-24 12:03 ` non-english on list (was Re: ????????????fd????????????????????????????????????) Pavel Machek
2009-11-24 14:10 ` David Newall
2009-11-24 14:58 ` non-english on list Américo Wang
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