disk_lock
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&wd->sc_dk)) != 0)
if ((error = disk_lock(&wd->sc_dk)) != 0)
if ((error = disk_lock(&wd->sc_dk)) != 0)
if ((error = disk_lock(&wd->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0) {
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&sc->sc_dk)) != 0) {
if ((error = disk_lock(&sc->sc_dk)) != 0)
if ((error = disk_lock(&st->sc_dk)) != 0) {
int disk_lock(struct disk *);