Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
@@ -5316,6 +5316,18 @@
 }
 
 static int
+zfsfifo_freebsd_kqfilter(ap)
+	struct vop_kqfilter_args *ap;
+{
+	int error;
+
+	error = fifo_specops.vop_kqfilter(ap);
+	if (error)
+		error = vfs_kqfilter(ap);
+	return (error);
+}
+
+static int
 zfs_freebsd_reclaim(ap)
 	struct vop_reclaim_args /* {
 		struct vnode *a_vp;
@@ -5997,6 +6009,7 @@
 	.vop_access =		zfs_freebsd_access,
 	.vop_getattr =		zfs_freebsd_getattr,
 	.vop_inactive =		zfs_freebsd_inactive,
+	.vop_kqfilter =		zfsfifo_freebsd_kqfilter,
 	.vop_read =		VOP_PANIC,
 	.vop_reclaim =		zfs_freebsd_reclaim,
 	.vop_setattr =		zfs_freebsd_setattr,