int check_mountedon(dev_t dev, enum vtype type, int *errorp);
int vn_getcdhash(struct vnode *vp, off_t offset, unsigned char *cdhash);
void vnode_reclaim(vnode_t);
int check_mountedon(dev_t dev, enum vtype type, int *errorp);
int vn_getcdhash(struct vnode *vp, off_t offset, unsigned char *cdhash);
void vnode_reclaim(vnode_t);