842 	struct gendisk *disk;  in bd_start_claiming()  local
852 	disk = get_gendisk(bdev->bd_dev, &partno);  in bd_start_claiming()
853 	if (!disk)  in bd_start_claiming()
865 		whole = bdget_disk(disk, 0);  in bd_start_claiming()
869 	module_put(disk->fops->owner);  in bd_start_claiming()
870 	put_disk(disk);  in bd_start_claiming()
892 	struct gendisk		*disk;  member
897 						  struct gendisk *disk)  in bd_find_holder_disk()  argument
902 		if (holder->disk == disk)  in bd_find_holder_disk()
945 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
955 	if (WARN_ON(!disk->slave_dir || !bdev->bd_part->holder_dir))  in bd_link_disk_holder()
958 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
971 	holder->disk = disk;  in bd_link_disk_holder()
974 	ret = add_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
978 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
991 	del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1010 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
1016 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1019 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_unlink_disk_holder()
1021 			    &disk_to_dev(disk)->kobj);  in bd_unlink_disk_holder()
1067 void check_disk_size_change(struct gendisk *disk, struct block_device *bdev)  in check_disk_size_change()  argument
1071 	disk_size = (loff_t)get_capacity(disk) << 9;  in check_disk_size_change()
1076 		disk_name(disk, 0, name);  in check_disk_size_change()
1094 int revalidate_disk(struct gendisk *disk)  in revalidate_disk()  argument
1099 	if (disk->fops->revalidate_disk)  in revalidate_disk()
1100 		ret = disk->fops->revalidate_disk(disk);  in revalidate_disk()
1101 	blk_integrity_revalidate(disk);  in revalidate_disk()
1102 	bdev = bdget_disk(disk, 0);  in revalidate_disk()
1107 	check_disk_size_change(disk, bdev);  in revalidate_disk()
1126 	struct gendisk *disk = bdev->bd_disk;  in check_disk_change()  local
1127 	const struct block_device_operations *bdops = disk->fops;  in check_disk_change()
1130 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in check_disk_change()
1171 	struct gendisk *disk;  in __blkdev_get()  local
1195 	disk = get_gendisk(bdev->bd_dev, &partno);  in __blkdev_get()
1196 	if (!disk)  in __blkdev_get()
1198 	owner = disk->fops->owner;  in __blkdev_get()
1200 	disk_block_events(disk);  in __blkdev_get()
1203 		bdev->bd_disk = disk;  in __blkdev_get()
1204 		bdev->bd_queue = disk->queue;  in __blkdev_get()
1206 		bdev->bd_inode->i_flags = disk->fops->direct_access ? S_DAX : 0;  in __blkdev_get()
1209 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1214 			if (disk->fops->open) {  in __blkdev_get()
1215 				ret = disk->fops->open(bdev, mode);  in __blkdev_get()
1226 					disk_unblock_events(disk);  in __blkdev_get()
1227 					put_disk(disk);  in __blkdev_get()
1234 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);  in __blkdev_get()
1244 					rescan_partitions(disk, bdev);  in __blkdev_get()
1246 					invalidate_partitions(disk, bdev);  in __blkdev_get()
1252 			whole = bdget_disk(disk, 0);  in __blkdev_get()
1261 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1262 			if (!(disk->flags & GENHD_FL_UP) ||  in __blkdev_get()
1292 		put_disk(disk);  in __blkdev_get()
1299 	disk_unblock_events(disk);  in __blkdev_get()
1312 	disk_unblock_events(disk);  in __blkdev_get()
1313 	put_disk(disk);  in __blkdev_get()
1358 		struct gendisk *disk = whole->bd_disk;  in blkdev_get()  local
1393 		    (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) {  in blkdev_get()
1395 			disk_block_events(disk);  in blkdev_get()
1515 	struct gendisk *disk = bdev->bd_disk;  in __blkdev_put()  local
1536 		if (disk->fops->release)  in __blkdev_put()
1537 			disk->fops->release(disk, mode);  in __blkdev_put()
1540 		struct module *owner = disk->fops->owner;  in __blkdev_put()
1549 		put_disk(disk);  in __blkdev_put()