Why FSAL_CEPH module of nfs-ganesha fail to build from src rpm in RHCS ?

Issue

• When try to build nfs-ganesha 2.4.5-7 ceph FSAL code getting below compilation error :

/root/rpmbuild/BUILD/nfs-ganesha-2.4.5/src/FSAL/FSAL_CEPH/handle.c: In function 'ceph_fsal_readdir':
/root/rpmbuild/BUILD/nfs-ganesha-2.4.5/src/FSAL/FSAL_CEPH/handle.c:186:30: error: 'struct fsal_obj_handle' has no member named 'handle'
    cb_rc = cb(de.d_name, &obj->handle, &attrs, dir_state,
                              ^
make[2]: *** [FSAL/FSAL_CEPH/CMakeFiles/fsalceph.dir/handle.c.o] Error 1
make[2]: Leaving directory `/root/rpmbuild/BUILD/nfs-ganesha-2.4.5/src'
make[1]: *** [FSAL/FSAL_CEPH/CMakeFiles/fsalceph.dir/all] Error 2
make[1]: Leaving directory `/root/rpmbuild/BUILD/nfs-ganesha-2.4.5/src'
make: *** [all] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.teFxVV (%build)

• How to export cephfs over FSAL_CEPH in nfs-ganesha built from sources ?