45 	struct mddev *mddev;		/* RAID array if running */  member
220 struct mddev {  struct
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()  argument
471 	return mutex_lock_interruptible(&mddev->reconfig_mutex);  in mddev_lock()
477 static inline void mddev_lock_nointr(struct mddev *mddev)  in mddev_lock_nointr()  argument
479 	mutex_lock(&mddev->reconfig_mutex);  in mddev_lock_nointr()
482 static inline int mddev_is_locked(struct mddev *mddev)  in mddev_is_locked()  argument
484 	return mutex_is_locked(&mddev->reconfig_mutex);  in mddev_is_locked()
487 static inline int mddev_trylock(struct mddev *mddev)  in mddev_trylock()  argument
489 	return mutex_trylock(&mddev->reconfig_mutex);  in mddev_trylock()
491 extern void mddev_unlock(struct mddev *mddev);
504 	void (*make_request)(struct mddev *mddev, struct bio *bio);
505 	int (*run)(struct mddev *mddev);
506 	void (*free)(struct mddev *mddev, void *priv);
507 	void (*status)(struct seq_file *seq, struct mddev *mddev);
511 	void (*error_handler)(struct mddev *mddev, struct md_rdev *rdev);
512 	int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev);
513 	int (*hot_remove_disk) (struct mddev *mddev, struct md_rdev *rdev);
514 	int (*spare_active) (struct mddev *mddev);
515 	sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped);
516 	int (*resize) (struct mddev *mddev, sector_t sectors);
517 	sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
518 	int (*check_reshape) (struct mddev *mddev);
519 	int (*start_reshape) (struct mddev *mddev);
520 	void (*finish_reshape) (struct mddev *mddev);
526 	void (*quiesce) (struct mddev *mddev, int state);
536 	void *(*takeover) (struct mddev *mddev);
539 	int (*congested)(struct mddev *mddev, int bits);
544 	ssize_t (*show)(struct mddev *, char *);
545 	ssize_t (*store)(struct mddev *, const char *, size_t);
561 static inline char * mdname (struct mddev * mddev)  in mdname()  argument
563 	return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";  in mdname()
566 static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_link_rdev()  argument
571 	    mddev->kobj.sd) {  in sysfs_link_rdev()
573 		return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);  in sysfs_link_rdev()
578 static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_unlink_rdev()  argument
583 	    mddev->kobj.sd) {  in sysfs_unlink_rdev()
585 		sysfs_remove_link(&mddev->kobj, nm);  in sysfs_unlink_rdev()
599 #define rdev_for_each(rdev, mddev)				\  argument
600 	list_for_each_entry(rdev, &((mddev)->disks), same_set)
602 #define rdev_for_each_safe(rdev, tmp, mddev)				\  argument
603 	list_for_each_entry_safe(rdev, tmp, &((mddev)->disks), same_set)
605 #define rdev_for_each_rcu(rdev, mddev)				\  argument
606 	list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
610 	struct mddev		*mddev;  member
630 extern int md_setup_cluster(struct mddev *mddev, int nodes);
631 extern void md_cluster_stop(struct mddev *mddev);
634 	struct mddev *mddev,
638 extern void md_check_recovery(struct mddev *mddev);
639 extern void md_reap_sync_thread(struct mddev *mddev);
640 extern void md_write_start(struct mddev *mddev, struct bio *bi);
641 extern void md_write_end(struct mddev *mddev);
642 extern void md_done_sync(struct mddev *mddev, int blocks, int ok);
643 extern void md_error(struct mddev *mddev, struct md_rdev *rdev);
644 extern void md_finish_reshape(struct mddev *mddev);
646 extern int mddev_congested(struct mddev *mddev, int bits);
647 extern void md_flush_request(struct mddev *mddev, struct bio *bio);
648 extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
650 extern void md_super_wait(struct mddev *mddev);
654 extern void md_new_event(struct mddev *mddev);
655 extern int md_allow_write(struct mddev *mddev);
656 extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
657 extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
658 extern int md_check_no_bitmap(struct mddev *mddev);
659 extern int md_integrity_register(struct mddev *mddev);
660 extern int md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
663 extern void mddev_init(struct mddev *mddev);
664 extern int md_run(struct mddev *mddev);
665 extern void md_stop(struct mddev *mddev);
666 extern void md_stop_writes(struct mddev *mddev);
670 extern void mddev_suspend(struct mddev *mddev);
671 extern void mddev_resume(struct mddev *mddev);
673 				   struct mddev *mddev);
675 				   struct mddev *mddev);
678 extern void md_reload_sb(struct mddev *mddev, int raid_disk);
679 extern void md_update_sb(struct mddev *mddev, int force);
681 struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
682 static inline int mddev_check_plugged(struct mddev *mddev)  in mddev_check_plugged()  argument
684 	return !!blk_check_plugged(md_unplug, mddev,  in mddev_check_plugged()
688 static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)  in rdev_dec_pending()  argument
692 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);  in rdev_dec_pending()
693 		md_wakeup_thread(mddev->thread);  in rdev_dec_pending()
698 static inline int mddev_is_clustered(struct mddev *mddev)  in mddev_is_clustered()  argument
700 	return mddev->cluster_info && mddev->bitmap_info.nodes > 1;  in mddev_is_clustered()