221 	dm_cblock_t cblock;	/* valid iff in_cache */  member
418 static void alloc_cblock(struct mq_policy *mq, dm_cblock_t cblock)  in alloc_cblock()  argument
420 	BUG_ON(from_cblock(cblock) > from_cblock(mq->cache_size));  in alloc_cblock()
421 	BUG_ON(test_bit(from_cblock(cblock), mq->allocation_bitset));  in alloc_cblock()
423 	set_bit(from_cblock(cblock), mq->allocation_bitset);  in alloc_cblock()
427 static void free_cblock(struct mq_policy *mq, dm_cblock_t cblock)  in free_cblock()  argument
429 	BUG_ON(from_cblock(cblock) > from_cblock(mq->cache_size));  in free_cblock()
430 	BUG_ON(!test_bit(from_cblock(cblock), mq->allocation_bitset));  in free_cblock()
432 	clear_bit(from_cblock(cblock), mq->allocation_bitset);  in free_cblock()
510 		alloc_cblock(mq, e->cblock);  in push()
525 		free_cblock(mq, e->cblock);  in del()
540 			free_cblock(mq, e->cblock);  in pop()
640 	result = demoted->cblock;  in demote_cblock()
693 		result->cblock = e->cblock;  in cache_entry_found()
706 	dm_cblock_t cblock;  in pre_cache_to_cache()  local
708 	if (find_free_cblock(mq, &cblock) == -ENOSPC) {  in pre_cache_to_cache()
710 		cblock = demote_cblock(mq, &result->old_oblock);  in pre_cache_to_cache()
714 	result->cblock = e->cblock = cblock;  in pre_cache_to_cache()
771 	dm_cblock_t cblock;  in insert_in_cache()  local
773 	if (find_free_cblock(mq, &cblock) == -ENOSPC) {  in insert_in_cache()
786 	e->cblock = cblock;  in insert_in_cache()
793 	result->cblock = e->cblock;  in insert_in_cache()
897 static int mq_lookup(struct dm_cache_policy *p, dm_oblock_t oblock, dm_cblock_t *cblock)  in mq_lookup()  argument
908 		*cblock = e->cblock;  in mq_lookup()
919 			   dm_oblock_t oblock, dm_cblock_t cblock,  in mq_load_mapping()  argument
929 	e->cblock = cblock;  in mq_load_mapping()
951 			r = fn(context, e->cblock, e->oblock, e->hit_count);  in mq_walk_mappings()