Description of problem:
Enabling SELinux Labeled NFS Support is already available with NFS v4.2 but
nfs-ganesha still doesn't support SELinux labeling.
I think this feature would be of the need as SELinux labeling is even not support with gluster-fuse or fuse and not possible even in near future.
With SELinux labeling support with nfs-ganesha, user can use and add security.
The first patch for supporting extended attribute(getxattr, setxattr, listxattr etc) got merged upstream nfs-ganesha https://review.gerrithub.io/#/c/254070/