45 	struct mddev *mddev;		/* RAID array if running */  member
220 struct mddev {  struct
221 	void				*private;
222 	struct md_personality		*pers;
223 	dev_t				unit;
224 	int				md_minor;
225 	struct list_head		disks;
226 	unsigned long			flags;
238 	int				suspended;
239 	atomic_t			active_io;
240 	int				ro;
241 	int				sysfs_active; /* set when sysfs deletes
245 	int				ready; /* See when safe to pass
247 	struct gendisk			*gendisk;
249 	struct kobject			kobj;
250 	int				hold_active;
255 	int				major_version,
256 					minor_version,
257 					patch_version;
258 	int				persistent;
259 	int				external;	/* metadata is
261 	char				metadata_type[17]; /* externally set*/
262 	int				chunk_sectors;
263 	time_t				ctime, utime;
264 	int				level, layout;
265 	char				clevel[16];
266 	int				raid_disks;
267 	int				max_disks;
268 	sector_t			dev_sectors;	/* used size of
270 	sector_t			array_sectors; /* exported array size */
271 	int				external_size; /* size managed
273 	__u64				events;
279 	int				can_decrease_events;
281 	char				uuid[16];
288 	sector_t			reshape_position;
289 	int				delta_disks, new_level, new_layout;
290 	int				new_chunk_sectors;
291 	int				reshape_backwards;
293 	struct md_thread		*thread;	/* management thread */
294 	struct md_thread		*sync_thread;	/* doing resync or reconstruct */
302 	char				*last_sync_action;
303 	sector_t			curr_resync;	/* last block scheduled */
310 	sector_t			curr_resync_completed;
311 	unsigned long			resync_mark;	/* a recent timestamp */
312 	sector_t			resync_mark_cnt;/* blocks written at resync_mark */
313 	sector_t			curr_mark_cnt; /* blocks scheduled now */
315 	sector_t			resync_max_sectors; /* may be set by personality */
317 	atomic64_t			resync_mismatches; /* count of sectors where
322 	sector_t			suspend_lo;
323 	sector_t			suspend_hi;
325 	int				sync_speed_min;
326 	int				sync_speed_max;
329 	int				parallel_resync;
331 	int				ok_start_degraded;
358 	unsigned long			recovery;
364 	int				recovery_disabled;
366 	int				in_sync;	/* know to not need resync */
376 	struct mutex			open_mutex;
377 	struct mutex			reconfig_mutex;
378 	atomic_t			active;		/* general refcount */
379 	atomic_t			openers;	/* number of active opens */
381 	int				changed;	/* True if we might need to
383 	int				degraded;	/* whether md should consider
387 	atomic_t			recovery_active; /* blocks scheduled, but not written */
388 	wait_queue_head_t		recovery_wait;
389 	sector_t			recovery_cp;
390 	sector_t			resync_min;	/* user requested sync
392 	sector_t			resync_max;	/* resync should pause
395 	struct kernfs_node		*sysfs_state;	/* handle for 'array_state'
398 	struct kernfs_node		*sysfs_action;  /* handle for 'sync_action' */
400 	struct work_struct del_work;	/* used for delayed sysfs removal */
413 	spinlock_t			lock;
414 	wait_queue_head_t		sb_wait;	/* for waiting on superblock updates */
415 	atomic_t			pending_writes;	/* number of active superblock writes */
417 	unsigned int			safemode;	/* if set, update "clean" superblock
420 	unsigned int			safemode_delay;
421 	struct timer_list		safemode_timer;
422 	atomic_t			writes_pending;
423 	struct request_queue		*queue;	/* for plugging ... */
425 	struct bitmap			*bitmap; /* the bitmap for the device */
426 	struct {
451 	struct list_head		all_mddevs;  argument
465 	void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);  argument
469 static inline int __must_check mddev_lock(struct mddev *mddev)  in mddev_lock()
477 static inline void mddev_lock_nointr(struct mddev *mddev)  in mddev_lock_nointr()
482 static inline int mddev_is_locked(struct mddev *mddev)  in mddev_is_locked()
487 static inline int mddev_trylock(struct mddev *mddev)  in mddev_trylock()
561 static inline char * mdname (struct mddev * mddev)  in mdname()
566 static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_link_rdev()
578 static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_unlink_rdev()
599 #define rdev_for_each(rdev, mddev)				\  argument
602 #define rdev_for_each_safe(rdev, tmp, mddev)				\  argument
605 #define rdev_for_each_rcu(rdev, mddev)				\  argument
610 	struct mddev		*mddev;  member
682 static inline int mddev_check_plugged(struct mddev *mddev)  in mddev_check_plugged()
688 static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)  in rdev_dec_pending()
698 static inline int mddev_is_clustered(struct mddev *mddev)  in mddev_is_clustered()