parityop
parityops(int argc, char *argv[], enum parityop op)
void parityops(int argc, char *argv[], enum parityop op);
struct buf *parityrebuild(struct plex *, vinum_off_t, int, enum parityop, struct rangelock **, off_t *);
enum parityop op; /* for parity ops */
enum parityop op; /* operation to perform */
enum parityop op,