415 struct cache {  struct
416 	struct cache_set	*set;  argument
417 	struct cache_sb		sb;  argument
418 	struct cache_sb_disk	*sb_disk;  argument
419 	struct bio		sb_bio;
420 	struct bio_vec		sb_bv[1];
444 	 * cached data in them, and we can't reuse them until after we write  argument
452 	size_t			fifo_last_bucket;
455 	struct bucket		*buckets;
464 	unsigned int		invalidate_needs_gc;
466 	bool			discard; /* Get rid of? */
491  * Flag bits, for how the cache set is shutting down, and what phase it's at:  argument
526 	struct cache		*cache;  member