/* check to see if a page is being written to the cache  */
bool __fscache_check_page_write(struct fscache_cookie *cookie, struct page *page)
/* check to see if a page is being written to the cache  */
bool __fscache_check_page_write(struct fscache_cookie *cookie, struct page *page)
{
	void *val;
	rcu_read_lock();
	val = radix_tree_lookup(&cookie->stores, page->index);
	rcu_read_unlock();
	return val != NULL;
}