fem_install
ret = fem_install(vp, deleg_rdops, (void *)fp, OPUNIQ,
ret = fem_install(vp, deleg_wrops, (void *)fp, OPUNIQ,
if (!(error = fem_install(pfp->pfop_vp, femp,
rc = fem_install(node->vp, smb_fcn_ops, (void *)node, OPARGUNIQ,
rc = fem_install(node->vp, smb_oplock_ops, (void *)node, OPARGUNIQ,
extern int fem_install(struct vnode *v, fem_t *mon, void *arg, femhow_t how,