The external mount point was mainly used for stat prior to a Stat
function being part of go-ceph's cephfs package. Now that we have
Statx, we can replace the need for the external mount and os.Stat.
Signed-off-by: John Mulligan <jmulligan@redhat.com>
Continue organizing the cephfs functionality by creating new files
for chmod and chown functionality.
Similarly, the dedicated test functions for those items are moved
into a new file as well.
Signed-off-by: John Mulligan <jmulligan@redhat.com>
