config: pass struct as const call-by-ref instead of call-by-value, to minimize copying
config: pass struct as const call-by-ref instead of call-by-value, to minimize copying

Signed-off-by: Lennart Poettering <9bb3d23d041c1d0454e62fec951f9aa4dfa2787f@poettering.net>
Acked-by: Dhaval Giani <f48451d72a1ad74c777093928b661ad7099a85df@gmail.com>
Signed-off-by: Dhaval Giani <f48451d72a1ad74c777093928b661ad7099a85df@gmail.com>

jrfastab/Linux-cgdcbxd,rafalmiel/libcg,rafalmiel/libcg,rafalmiel/libcg,jrfastab/Linux-cgdcbxd,jrfastab/Linux-cgdcbxd,jrfastab/Linux-cgdcbxd,rafalmiel/libcg