632 static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk);
662 static int dm_exception_table_init(struct dm_exception_table *et,  in dm_exception_table_init()  argument
667 	et->hash_shift = hash_shift;  in dm_exception_table_init()
668 	et->hash_mask = size - 1;  in dm_exception_table_init()
669 	et->table = kvmalloc_array(size, sizeof(struct dm_hlist_head),  in dm_exception_table_init()
671 	if (!et->table)  in dm_exception_table_init()
675 		INIT_HLIST_HEAD(&et->table[i].head);  in dm_exception_table_init()
676 		spin_lock_init(&et->table[i].lock);  in dm_exception_table_init()
682 static void dm_exception_table_exit(struct dm_exception_table *et,  in dm_exception_table_exit()  argument
690 	size = et->hash_mask + 1;  in dm_exception_table_exit()
692 		slot = et->table + i;  in dm_exception_table_exit()
701 	kvfree(et->table);  in dm_exception_table_exit()
704 static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)  in exception_hash()  argument
706 	return (chunk >> et->hash_shift) & et->hash_mask;  in exception_hash()
718 static struct dm_exception *dm_lookup_exception(struct dm_exception_table *et,  in dm_lookup_exception()  argument
724 	slot = &et->table[exception_hash(et, chunk)].head;  in dm_lookup_exception()