Function cache_has_entries

freebsd/kern/vfs_cache.c:2665–2673

* Opportunistic check to see if there is anything to do. */

 * Opportunistic check to see if there is anything to do.
 */
static bool
cache_has_entries(struct vnode *vp)
{

	if (LIST_EMPTY(&vp->v_cache_src) && TAILQ_EMPTY(&vp->v_cache_dst) &&
	    atomic_load_ptr(&vp->v_cache_dd) == NULL)
		return (false);
	return (true);
}

void
cache_purge(struct vnode *vp)