Function cache_fplookup_is_mp

freebsd/kern/vfs_cache.c:5178–5185

* Check if a vnode is mounted on. */

 * Check if a vnode is mounted on.
 */
static bool
cache_fplookup_is_mp(struct cache_fpl *fpl)
{
	struct vnode *vp;

	vp = fpl->tvp;
	return ((vn_irflag_read(vp) & VIRF_MOUNTPOINT) != 0);
}

/*
 * Parse the path.