41 static bool cache_defer_req(struct cache_req *req, struct cache_head *item);
42 static void cache_revisit_request(struct cache_head *item);
519 #define	DFR_HASH(item)	((((long)item)>>4 ^ (((long)item)>>13)) % DFR_HASHSIZE)  argument
537 static void __hash_deferred_req(struct cache_deferred_req *dreq, struct cache_head *item)  in __hash_deferred_req()  argument
539 	int hash = DFR_HASH(item);  in __hash_deferred_req()
546 			   struct cache_head *item,  in setup_deferral()  argument
550 	dreq->item = item;  in setup_deferral()
554 	__hash_deferred_req(dreq, item);  in setup_deferral()
577 static void cache_wait_req(struct cache_req *req, struct cache_head *item)  in cache_wait_req()  argument
585 	setup_deferral(dreq, item, 0);  in cache_wait_req()
587 	if (!test_bit(CACHE_PENDING, &item->flags) ||  in cache_wait_req()
637 static bool cache_defer_req(struct cache_req *req, struct cache_head *item)  in cache_defer_req()  argument
642 		cache_wait_req(req, item);  in cache_defer_req()
643 		if (!test_bit(CACHE_PENDING, &item->flags))  in cache_defer_req()
649 	setup_deferral(dreq, item, 1);  in cache_defer_req()
650 	if (!test_bit(CACHE_PENDING, &item->flags))  in cache_defer_req()
654 		cache_revisit_request(item);  in cache_defer_req()
660 static void cache_revisit_request(struct cache_head *item)  in cache_revisit_request()  argument
665 	int hash = DFR_HASH(item);  in cache_revisit_request()
671 		if (dreq->item == item) {  in cache_revisit_request()
734 	struct cache_head	*item;  member
750 	detail->cache_request(detail, crq->item, &bp, &len);  in cache_request()
797 	if (rp->offset == 0 && !test_bit(CACHE_PENDING, &rq->item->flags)) {  in cache_read()
823 		    !test_bit(CACHE_PENDING, &rq->item->flags)) {  in cache_read()
826 			cache_put(rq->item, cd);  in cache_read()
1039 			if (cr->item != ch)  in cache_dequeue()
1052 		cache_put(cr->item, detail);  in cache_dequeue()
1178 	crq->item = cache_get(h);  in sunrpc_cache_pipe_upcall()