static int
unionfs_mknod(void *v)
{
struct vop_mknod_args *ap = v;
struct unionfs_node *dunp;
struct componentname *cnp;
struct vnode *udvp;
struct vnode *vp;
int error;
UNIONFS_INTERNAL_DEBUG("unionfs_mknod: enter\n");
dunp = VTOUNIONFS(ap->a_dvp);
cnp = ap->a_cnp;
udvp = dunp->un_uppervp;
error = EROFS;
if (udvp != NULLVP) {
if ((error = VOP_MKNOD(udvp, &vp, cnp, ap->a_vap)) == 0) {
error = unionfs_nodeget(ap->a_dvp->v_mount, vp, NULLVP,
ap->a_dvp, ap->a_vpp, cnp);
if (error) {
vput(vp);
} else {
vrele(vp);
}
}
}
UNIONFS_INTERNAL_DEBUG("unionfs_mknod: leave (%d)\n", error);
return (error);
}
int
RUMP_VOP_MKNOD(struct vnode *dvp,
struct vnode **vpp,
struct componentname *cnp,
struct vattr *vap)
{
int error;
rump_schedule();
error = VOP_MKNOD(dvp, vpp, cnp, vap);
rump_unschedule();
return error;
}
/*
* union_mknod:
*
* a_dvp is locked on entry and should remain locked on return.
* a_vpp is garbagre whether an error occurs or not.
*
* union_mknod(struct vnode *a_dvp, struct vnode **a_vpp,
* struct componentname *a_cnp, struct vattr *a_vap)
*/
static int
union_mknod(struct vop_old_mknod_args *ap)
{
struct union_node *dun = VTOUNION(ap->a_dvp);
struct componentname *cnp = ap->a_cnp;
struct vnode *dvp;
int error = EROFS;
if ((dvp = union_lock_upper(dun, cnp->cn_td)) != NULL) {
error = VOP_MKNOD(dvp, ap->a_vpp, cnp, ap->a_vap);
union_unlock_upper(dvp, cnp->cn_td);
}
return (error);
}
