812 	struct gendisk *disk;  in bd_start_claiming()  local
822 	disk = get_gendisk(bdev->bd_dev, &partno);  in bd_start_claiming()
823 	if (!disk)  in bd_start_claiming()
835 		whole = bdget_disk(disk, 0);  in bd_start_claiming()
839 	module_put(disk->fops->owner);  in bd_start_claiming()
840 	put_disk(disk);  in bd_start_claiming()
862 	struct gendisk		*disk;  member
867 						  struct gendisk *disk)  in bd_find_holder_disk()  argument
872 		if (holder->disk == disk)  in bd_find_holder_disk()
915 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
925 	if (WARN_ON(!disk->slave_dir || !bdev->bd_part->holder_dir))  in bd_link_disk_holder()
928 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
941 	holder->disk = disk;  in bd_link_disk_holder()
944 	ret = add_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
948 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
961 	del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
980 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
986 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
989 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_unlink_disk_holder()
991 			    &disk_to_dev(disk)->kobj);  in bd_unlink_disk_holder()
1037 void check_disk_size_change(struct gendisk *disk, struct block_device *bdev)  in check_disk_size_change()  argument
1041 	disk_size = (loff_t)get_capacity(disk) << 9;  in check_disk_size_change()
1046 		disk_name(disk, 0, name);  in check_disk_size_change()
1064 int revalidate_disk(struct gendisk *disk)  in revalidate_disk()  argument
1069 	if (disk->fops->revalidate_disk)  in revalidate_disk()
1070 		ret = disk->fops->revalidate_disk(disk);  in revalidate_disk()
1072 	bdev = bdget_disk(disk, 0);  in revalidate_disk()
1077 	check_disk_size_change(disk, bdev);  in revalidate_disk()
1096 	struct gendisk *disk = bdev->bd_disk;  in check_disk_change()  local
1097 	const struct block_device_operations *bdops = disk->fops;  in check_disk_change()
1100 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in check_disk_change()
1141 	struct gendisk *disk;  in __blkdev_get()  local
1165 	disk = get_gendisk(bdev->bd_dev, &partno);  in __blkdev_get()
1166 	if (!disk)  in __blkdev_get()
1168 	owner = disk->fops->owner;  in __blkdev_get()
1170 	disk_block_events(disk);  in __blkdev_get()
1173 		bdev->bd_disk = disk;  in __blkdev_get()
1174 		bdev->bd_queue = disk->queue;  in __blkdev_get()
1178 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1183 			if (disk->fops->open) {  in __blkdev_get()
1184 				ret = disk->fops->open(bdev, mode);  in __blkdev_get()
1195 					disk_unblock_events(disk);  in __blkdev_get()
1196 					put_disk(disk);  in __blkdev_get()
1203 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);  in __blkdev_get()
1213 					rescan_partitions(disk, bdev);  in __blkdev_get()
1215 					invalidate_partitions(disk, bdev);  in __blkdev_get()
1221 			whole = bdget_disk(disk, 0);  in __blkdev_get()
1230 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1231 			if (!(disk->flags & GENHD_FL_UP) ||  in __blkdev_get()
1261 		put_disk(disk);  in __blkdev_get()
1268 	disk_unblock_events(disk);  in __blkdev_get()
1281 	disk_unblock_events(disk);  in __blkdev_get()
1282 	put_disk(disk);  in __blkdev_get()
1327 		struct gendisk *disk = whole->bd_disk;  in blkdev_get()  local
1362 		    (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) {  in blkdev_get()
1364 			disk_block_events(disk);  in blkdev_get()
1484 	struct gendisk *disk = bdev->bd_disk;  in __blkdev_put()  local
1502 		if (disk->fops->release)  in __blkdev_put()
1503 			disk->fops->release(disk, mode);  in __blkdev_put()
1506 		struct module *owner = disk->fops->owner;  in __blkdev_put()
1515 		put_disk(disk);  in __blkdev_put()