39 #define PARANOIA_LC_ELEMENT(lc, e) do {	\  argument
41 	struct lc_element *e_ = (e);	\
84 	struct lc_element *e;  in lc_create()  local
128 		e = p + e_off;  in lc_create()
129 		e->lc_index = i;  in lc_create()
130 		e->lc_number = LC_FREE;  in lc_create()
131 		e->lc_new_number = LC_FREE;  in lc_create()
132 		list_add(&e->list, &lc->free);  in lc_create()
133 		element[i] = e;  in lc_create()
202 		struct lc_element *e = lc->lc_element[i];  in lc_reset()  local
203 		void *p = e;  in lc_reset()
207 		e->lc_index = i;  in lc_reset()
208 		e->lc_number = LC_FREE;  in lc_reset()
209 		e->lc_new_number = LC_FREE;  in lc_reset()
210 		list_add(&e->list, &lc->free);  in lc_reset()
242 	struct lc_element *e;  in __lc_find()  local
246 	hlist_for_each_entry(e, lc_hash_slot(lc, enr), colision) {  in __lc_find()
250 		if (e->lc_new_number != enr)  in __lc_find()
252 		if (e->lc_new_number == e->lc_number || include_changing)  in __lc_find()
253 			return e;  in __lc_find()
287 	struct lc_element *e = __lc_find(lc, enr, 1);  in lc_is_used()  local
288 	return e && e->refcnt;  in lc_is_used()
299 void lc_del(struct lru_cache *lc, struct lc_element *e)  in lc_del()  argument
302 	PARANOIA_LC_ELEMENT(lc, e);  in lc_del()
303 	BUG_ON(e->refcnt);  in lc_del()
305 	e->lc_number = e->lc_new_number = LC_FREE;  in lc_del()
306 	hlist_del_init(&e->colision);  in lc_del()
307 	list_move(&e->list, &lc->free);  in lc_del()
314 	struct lc_element *e;  in lc_prepare_for_change()  local
323 	e = list_entry(n, struct lc_element, list);  in lc_prepare_for_change()
324 	PARANOIA_LC_ELEMENT(lc, e);  in lc_prepare_for_change()
326 	e->lc_new_number = new_number;  in lc_prepare_for_change()
327 	if (!hlist_unhashed(&e->colision))  in lc_prepare_for_change()
328 		__hlist_del(&e->colision);  in lc_prepare_for_change()
329 	hlist_add_head(&e->colision, lc_hash_slot(lc, new_number));  in lc_prepare_for_change()
330 	list_move(&e->list, &lc->to_be_changed);  in lc_prepare_for_change()
332 	return e;  in lc_prepare_for_change()
353 	struct lc_element *e;  in __lc_get()  local
361 	e = __lc_find(lc, enr, 1);  in __lc_get()
366 	if (e) {  in __lc_get()
367 		if (e->lc_new_number != e->lc_number) {  in __lc_get()
376 			++e->refcnt;  in __lc_get()
378 			RETURN(e);  in __lc_get()
382 		if (e->refcnt++ == 0)  in __lc_get()
384 		list_move(&e->list, &lc->in_use); /* Not evictable... */  in __lc_get()
385 		RETURN(e);  in __lc_get()
419 	e = lc_prepare_for_change(lc, enr);  in __lc_get()
420 	BUG_ON(!e);  in __lc_get()
423 	BUG_ON(++e->refcnt != 1);  in __lc_get()
427 	RETURN(e);  in __lc_get()
526 	struct lc_element *e, *tmp;  in lc_committed()  local
529 	list_for_each_entry_safe(e, tmp, &lc->to_be_changed, list) {  in lc_committed()
532 		e->lc_number = e->lc_new_number;  in lc_committed()
533 		list_move(&e->list, &lc->in_use);  in lc_committed()
549 unsigned int lc_put(struct lru_cache *lc, struct lc_element *e)  in lc_put()  argument
552 	PARANOIA_LC_ELEMENT(lc, e);  in lc_put()
553 	BUG_ON(e->refcnt == 0);  in lc_put()
554 	BUG_ON(e->lc_number != e->lc_new_number);  in lc_put()
555 	if (--e->refcnt == 0) {  in lc_put()
557 		list_move(&e->list, &lc->lru);  in lc_put()
561 	RETURN(e->refcnt);  in lc_put()
590 	struct lc_element *e;  in lc_seq_dump_details()  local
595 		e = lc_element_by_index(lc, i);  in lc_seq_dump_details()
596 		if (e->lc_number != e->lc_new_number)  in lc_seq_dump_details()
598 				i, e->lc_number, e->lc_new_number, e->refcnt);  in lc_seq_dump_details()
601 				i, e->lc_number, "-\"-", e->refcnt);  in lc_seq_dump_details()
603 			detail(seq, e);  in lc_seq_dump_details()