__drbd_change_sync
extern int __drbd_change_sync(struct drbd_peer_device *peer_device, sector_t sector, int size,
__drbd_change_sync(peer_device, sector, size, SET_IN_SYNC)
__drbd_change_sync(peer_device, sector, size, SET_OUT_OF_SYNC)
__drbd_change_sync(peer_device, sector, size, RECORD_RS_FAILED)