it's much easier to just do the right thing in ->sb_show_options(),
without bothering with allocating and populating arrays, etc.
Reviewed-by: David Howells <dhowells@redhat.com>
Change-Id: I7d70f754c53f5c5a02aad547759d01028c9024fb
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>