From mboxrd@z Thu Jan  1 00:00:00 1970
From: greg@kroah.com (Greg KH)
Date: Wed, 16 Sep 2015 15:31:54 -0700
Subject: How to get the inode - no path_lookup
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To: kernelnewbies@lists.kernelnewbies.org
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On Fri, Sep 04, 2015 at 04:26:06PM +0000, priyamn wrote:
> 
> Hi,
> 
> I happened to come across this discussion. I am having a similar issue. 
> I am using Rhel7-3.10.0-123 
> kernel. I tried all the options that are mentioned above and none of the api's 
> including kern_path() return valid dentry value. 
> My requirement is to fetch directory name from filepath.

Why do you need a directory name from a filepath within the kernel?
What problem are you trying to solve that you feel a directory name is
the correct solution?

And remember, namespaces, what does a "directory name" really mean... :)

thanks,

greg k-h