drivers/md/raid5.h

363 struct r5conf {  struct
364 	struct hlist_head	*stripe_hashtbl;
365 	struct mddev		*mddev;
366 	int			chunk_sectors;
367 	int			level, algorithm;
368 	int			max_degraded;
369 	int			raid_disks;
370 	int			max_nr_stripes;
377 	sector_t		reshape_progress;
381 	sector_t		reshape_safe;
382 	int			previous_raid_disks;
383 	int			prev_chunk_sectors;
384 	int			prev_algo;
385 	short			generation; /* increments with every reshape */
386 	unsigned long		reshape_checkpoint; /* Time we last updated
389 	struct list_head	handle_list; /* stripes needing handling */
390 	struct list_head	hold_list; /* preread ready stripes */
391 	struct list_head	delayed_list; /* stripes that have plugged requests */
392 	struct list_head	bitmap_list; /* stripes delaying awaiting bitmap update */
393 	struct bio		*retry_read_aligned; /* currently retrying aligned bios   */
394 	struct bio		*retry_read_aligned_list; /* aligned bios retry list  */
395 	atomic_t		preread_active_stripes; /* stripes with scheduled io */
396 	atomic_t		active_aligned_reads;
397 	atomic_t		pending_full_writes; /* full write backlog */
398 	int			bypass_count; /* bypassed prereads */
399 	int			bypass_threshold; /* preread nice */
400 	struct list_head	*last_hold; /* detect hold_list promotions */
402 	atomic_t		reshape_stripes; /* stripes with pending writes for reshape */
406 	int			active_name;
407 	char			cache_name[2][32];
408 	struct kmem_cache		*slab_cache; /* for allocating stripes */
410 	int			seq_flush, seq_write;
411 	int			quiesce;
413 	int			fullsync;  /* set to 1 if a full sync is needed,
417 	int			recovery_disabled;
419 	struct raid5_percpu {
425 	} __percpu *percpu;
426 	size_t			scribble_len; /* size of scribble region must be
431 	struct notifier_block	cpu_notify;
437 	atomic_t		active_stripes;
438 	struct list_head	inactive_list;
439 	wait_queue_head_t	wait_for_stripe;
440 	wait_queue_head_t	wait_for_overlap;
441 	int			inactive_blocked;	/* release of inactive stripes blocked,
444 	int			pool_size; /* number of disks in stripeheads in pool */
445 	spinlock_t		device_lock;
446 	struct disk_info	*disks;
451 	struct md_thread	*thread;