ncl_writerpc
int ncl_writerpc(struct vnode *, struct uio *, struct kauth_cred *, int *,
ncl_writerpc(bp->b_vp, uiop, bp->b_wcred, &iomode, &must_commit, 0);
error = ncl_writerpc(vp, uiop, cr, &iomode, &must_commit,
error = ncl_writerpc(vp, &uio, cred, &iomode, &must_commit, 0);
error = ncl_writerpc(vp, &uio, cred, &iomode,