It's not provided by EL5 nor by EL4, but FAM (the File Alteration Monitor
)
is an alternative solution that works regardless of what kernel you have.


FAQ:
http://oss.sgi.com/projects/fam/faq.html

Using FAM with Qt and GTK+:
http://oss.sgi.com/projects/fam/qt_gtk.html

Look what you have in other distros:
http://packages.debian.org/etch/fam/i386/filelist

Some doc:
http://manpages.debian.net/cgi-bin/man.cgi?query=famd&sektion=8&a
mp;apropos=0
http://manpages.debian.net/cgi-bin/man.cgi?query=fam.conf&sektion=
5&apropos=0
http://manpages.debian.net/cgi-bin/man.cgi?query=fam&sektion=3&am
p;apropos=0
http://www.linuxmanpages.com/man8/famd.8.php
http://www.linuxmanpages.com/man5/famd.conf.5.php
http://www.linuxmanpages.com/man3/fam.3.php

There is also a C++ wrapper for fam: 
http://fampp.sourceforge.net/
You should get fampp2, not fampp:
http://sourceforge.net/project/showfiles.php?group_id=13334

You might run into dependencies issues while building it, but FAM used to
 be
a good solution some time ago.

R-C