kernel space realpath()

["Ramy M. Hassan" <ramy@gawab.com>]

Hi,
I am new to kernel development. I am developing now a kernel module to
create log of all file operations under a certain specified directory. I
intercept the system calls that may do modifications to this directory
contents and create the logfile. My problem is that a system call like
sys_unlink takes a path that could be relative, and could contain ".." or
".". It might also contain components that are symlinks to other
directories. So I want to get the real path of that file given its relative
path name.
Is there anyway to do that ?

I appreciate your help.
Best regards

Ramy