529 struct bch_dev {  struct
530 	struct kobject		kobj;
531 	struct percpu_ref	ref;
555 	struct bch_devs_mask	self;  argument
572 	struct bch_dev_usage		*usage_base;  argument
573 	struct bch_dev_usage __percpu	*usage[JOURNAL_BUF_NR];  argument
574 	struct bch_dev_usage __percpu	*usage_gc;  argument
577 	u64			new_fs_bucket_idx;
578 	u64			alloc_cursor;
580 	unsigned		nr_open_buckets;
581 	unsigned		nr_btree_reserve;
583 	size_t			inc_gen_needs_gc;
584 	size_t			inc_gen_really_needs_gc;
585 	size_t			buckets_waiting_on_journal;
587 	atomic64_t		rebalance_work;
589 	struct journal_device	journal;
590 	u64			prev_journal_sector;
592 	struct work_struct	io_error_work;
595 	atomic64_t		cur_latency[2];
596 	struct bch2_time_stats	io_latency[2];
599 	atomic_t		congested;
600 	u64			congested_last;
602 	struct io_count __percpu *io_done;