Re: Directory Entry for File

Mike Kennedy (mkennedy@cs.ucr.edu)
Sat, 20 Feb 1999 18:26:16 -0800 (PST)

Ok. Sorry for continuing to pose this question. Say I have the following
situation where there is a file called foo in the /tmp directory. How can
I given the inode for the file 'foo' get the inode for the directory,
/tmp. This is within kernel space.

:===========================================================:
: Mike Kennedy mkennedy@cs.ucr.edu :
: Systems Administrator (909) 787-2946 :
: Computer Science Department :
: University of California, Riverside :
:===========================================================:

On Sat, 20 Feb 1999, Alexander Viro wrote:

>
>
> On Sat, 20 Feb 1999, Mike Kennedy wrote:
>
> >
> > Ok... let me re phrase. I'm talking about kernel space. I need to, given
> > an inode for a file that is being read, for example, find the
> > corresponding filename string that is contained in the directory entry.
>
> Look at sys_getpwd() and do it for all dentries over your inode
> (cyclic list I've mentioned). Why not do it on open()? There you have the
> name for free and to read stuff one has to open the file.
>
>
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