52 	struct mddev *mddev;		/* RAID array if running */  member
283 struct mddev {  struct
503 	void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);  argument
532 static inline int __must_check mddev_lock(struct mddev *mddev)  in mddev_lock()  argument
534 	return mutex_lock_interruptible(&mddev->reconfig_mutex);  in mddev_lock()
540 static inline void mddev_lock_nointr(struct mddev *mddev)  in mddev_lock_nointr()  argument
542 	mutex_lock(&mddev->reconfig_mutex);  in mddev_lock_nointr()
545 static inline int mddev_trylock(struct mddev *mddev)  in mddev_trylock()  argument
547 	return mutex_trylock(&mddev->reconfig_mutex);  in mddev_trylock()
549 extern void mddev_unlock(struct mddev *mddev);
567 	bool __must_check (*make_request)(struct mddev *mddev, struct bio *bio);
572 	int (*run)(struct mddev *mddev);
574 	int (*start)(struct mddev *mddev);
575 	void (*free)(struct mddev *mddev, void *priv);
576 	void (*status)(struct seq_file *seq, struct mddev *mddev);
580 	void (*error_handler)(struct mddev *mddev, struct md_rdev *rdev);
581 	int (*hot_add_disk) (struct mddev *mddev, struct md_rdev *rdev);
582 	int (*hot_remove_disk) (struct mddev *mddev, struct md_rdev *rdev);
583 	int (*spare_active) (struct mddev *mddev);
584 	sector_t (*sync_request)(struct mddev *mddev, sector_t sector_nr, int *skipped);
585 	int (*resize) (struct mddev *mddev, sector_t sectors);
586 	sector_t (*size) (struct mddev *mddev, sector_t sectors, int raid_disks);
587 	int (*check_reshape) (struct mddev *mddev);
588 	int (*start_reshape) (struct mddev *mddev);
589 	void (*finish_reshape) (struct mddev *mddev);
590 	void (*update_reshape_pos) (struct mddev *mddev);
595 	void (*quiesce) (struct mddev *mddev, int quiesce);
605 	void *(*takeover) (struct mddev *mddev);
607 	int (*change_consistency_policy)(struct mddev *mddev, const char *buf);
612 	ssize_t (*show)(struct mddev *, char *);
613 	ssize_t (*store)(struct mddev *, const char *, size_t);
629 static inline char * mdname (struct mddev * mddev)  in mdname()  argument
631 	return mddev->gendisk ? mddev->gendisk->disk_name : "mdX";  in mdname()
634 static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_link_rdev()  argument
639 	    mddev->kobj.sd) {  in sysfs_link_rdev()
641 		return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);  in sysfs_link_rdev()
646 static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)  in sysfs_unlink_rdev()  argument
651 	    mddev->kobj.sd) {  in sysfs_unlink_rdev()
653 		sysfs_remove_link(&mddev->kobj, nm);  in sysfs_unlink_rdev()
667 #define rdev_for_each(rdev, mddev)				\  argument
668 	list_for_each_entry(rdev, &((mddev)->disks), same_set)
670 #define rdev_for_each_safe(rdev, tmp, mddev)				\  argument
671 	list_for_each_entry_safe(rdev, tmp, &((mddev)->disks), same_set)
673 #define rdev_for_each_rcu(rdev, mddev)				\  argument
674 	list_for_each_entry_rcu(rdev, &((mddev)->disks), same_set)
678 	struct mddev		*mddev;  member
698 extern int md_setup_cluster(struct mddev *mddev, int nodes);
699 extern void md_cluster_stop(struct mddev *mddev);
702 	struct mddev *mddev,
706 extern void md_check_recovery(struct mddev *mddev);
707 extern void md_reap_sync_thread(struct mddev *mddev);
708 extern int mddev_init_writes_pending(struct mddev *mddev);
709 extern bool md_write_start(struct mddev *mddev, struct bio *bi);
710 extern void md_write_inc(struct mddev *mddev, struct bio *bi);
711 extern void md_write_end(struct mddev *mddev);
712 extern void md_done_sync(struct mddev *mddev, int blocks, int ok);
713 extern void md_error(struct mddev *mddev, struct md_rdev *rdev);
714 extern void md_finish_reshape(struct mddev *mddev);
716 extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio);
717 extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
719 extern int md_super_wait(struct mddev *mddev);
724 extern void md_new_event(struct mddev *mddev);
725 extern void md_allow_write(struct mddev *mddev);
726 extern void md_wait_for_blocked_rdev(struct md_rdev *rdev, struct mddev *mddev);
727 extern void md_set_array_sectors(struct mddev *mddev, sector_t array_sectors);
728 extern int md_check_no_bitmap(struct mddev *mddev);
729 extern int md_integrity_register(struct mddev *mddev);
730 extern int md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
733 extern void mddev_init(struct mddev *mddev);
734 extern int md_run(struct mddev *mddev);
735 extern int md_start(struct mddev *mddev);
736 extern void md_stop(struct mddev *mddev);
737 extern void md_stop_writes(struct mddev *mddev);
741 extern void md_handle_request(struct mddev *mddev, struct bio *bio);
742 extern void mddev_suspend(struct mddev *mddev);
743 extern void mddev_resume(struct mddev *mddev);
745 				   struct mddev *mddev);
747 extern void md_reload_sb(struct mddev *mddev, int raid_disk);
748 extern void md_update_sb(struct mddev *mddev, int force);
750 extern void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev,
752 extern void mddev_destroy_serial_pool(struct mddev *mddev, struct md_rdev *rdev,
754 struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
755 struct md_rdev *md_find_rdev_rcu(struct mddev *mddev, dev_t dev);
762 		if (!test_and_set_bit(MD_BROKEN, &rdev->mddev->flags))  in is_mddev_broken()
764 				mdname(rdev->mddev), md_type);  in is_mddev_broken()
770 static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)  in rdev_dec_pending()  argument
774 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);  in rdev_dec_pending()
775 		md_wakeup_thread(mddev->thread);  in rdev_dec_pending()
780 static inline int mddev_is_clustered(struct mddev *mddev)  in mddev_is_clustered()  argument
782 	return mddev->cluster_info && mddev->bitmap_info.nodes > 1;  in mddev_is_clustered()
786 static inline void mddev_clear_unsupported_flags(struct mddev *mddev,  in mddev_clear_unsupported_flags()  argument
789 	mddev->flags &= ~unsupported_flags;  in mddev_clear_unsupported_flags()
792 static inline void mddev_check_writesame(struct mddev *mddev, struct bio *bio)  in mddev_check_writesame()  argument
796 		mddev->queue->limits.max_write_same_sectors = 0;  in mddev_check_writesame()
799 static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio)  in mddev_check_write_zeroes()  argument
803 		mddev->queue->limits.max_write_zeroes_sectors = 0;  in mddev_check_write_zeroes()
811 int md_set_array_info(struct mddev *mddev, struct mdu_array_info_s *info);
812 int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info);
813 int do_md_run(struct mddev *mddev);