OLD
state_change->resource->role[OLD] =
state_change->resource->susp[OLD] = resource->susp;
state_change->resource->susp_nod[OLD] = resource->susp_nod;
state_change->resource->susp_fen[OLD] = resource->susp_fen;
connection_state_change->cstate[OLD] =
connection_state_change->peer_role[OLD] =
device_state_change->disk_state[OLD] = device->state.disk;
peer_device_state_change->disk_state[OLD] =
peer_device_state_change->repl_state[OLD] =
peer_device_state_change->resync_susp_user[OLD] =
peer_device_state_change->resync_susp_peer[OLD] =
peer_device_state_change->resync_susp_dependency[OLD] =
#define HAS_CHANGED(state) ((state)[OLD] != (state)[NEW])
(x[NEW] = x[OLD])
svc_xprt_flag(OLD) \
#define OVS_MASKED(OLD, KEY, MASK) ((KEY) | ((OLD) & ~(MASK)))
#define OVS_SET_MASKED(OLD, KEY, MASK) ((OLD) = OVS_MASKED(OLD, KEY, MASK))