pcfs_access
error = pcfs_access(PCTOV(pcp), mode, 0,
error = pcfs_access(sdvp, VWRITE, 0, cr, ct);
VOPNAME_ACCESS, { .vop_access = pcfs_access },
VOPNAME_ACCESS, { .vop_access = pcfs_access },
static int pcfs_access(struct vnode *, int, int, struct cred *,