#23 GFS2 support - add check funtionality

[Abhi Das]

GFS2 recently added support for the quotactl syscall. The idea is to allow the generic quota tools to be able to manage quotas on GFS2. This RedHat/Fedora bugzilla below has more details.
https://bugzilla.redhat.com/show_bug.cgi?id=596794
This patch adds the check functionality for gfs2.

[Abhi Das]

linuxquota - gfs2 check patch

[Abhi Das]

updated patch

[Abhi Das]

Hi Jan,

I've updated this patch according to your comments. Hopefully this is closer to what you had in mind. Do let me know.

Cheers!
--Abhi

[Jan Kara]

Merged later version sent by email.