vop_kqfilter
DO_OPS(ap->a_head.a_ops, error, ap, vop_kqfilter);
DO_OPS(ops, error, &ap, vop_kqfilter);
vop_kqfilter(*(vp)->v_ops, vp, kn)
int (*vop_kqfilter)(struct vop_kqfilter_args *);
int vop_kqfilter(struct vop_ops *ops, struct vnode *vp, struct knote *kn);
.vop_kqfilter = devfs_spec_kqfilter,
.vop_kqfilter = dirfs_kqfilter,
.vop_kqfilter = ext2fifo_kqfilter,
.vop_kqfilter = fifo_kqfilter,
.vop_kqfilter = fuse_kqfilter,
.vop_kqfilter = hammer_vop_kqfilter
.vop_kqfilter = hammer_vop_fifokqfilter
.vop_kqfilter = hammer2_vop_kqfilter
.vop_kqfilter = hammer2_vop_fifokqfilter
.vop_kqfilter = nfs_kqfilter
.vop_kqfilter = procfs_kqfilter,
return fifo_vnode_vops.vop_kqfilter(ap);
.vop_kqfilter = tmpfs_fifo_kqfilter,
.vop_kqfilter = tmpfs_kqfilter
.vop_kqfilter = ufs_kqfilter,
.vop_kqfilter = ufsfifo_kqfilter,
int (*vop_kqfilter)(struct vop_kqfilter_args *);
.vop_kqfilter = hammer2_vop_kqfilter
.vop_kqfilter = hammer2_vop_fifokqfilter