916 	struct gendisk *disk;  in bd_start_claiming()  local
926 	disk = get_gendisk(bdev->bd_dev, &partno);  in bd_start_claiming()
927 	if (!disk)  in bd_start_claiming()
939 		whole = bdget_disk(disk, 0);  in bd_start_claiming()
943 	module_put(disk->fops->owner);  in bd_start_claiming()
944 	put_disk(disk);  in bd_start_claiming()
966 	struct gendisk		*disk;  member
971 						  struct gendisk *disk)  in bd_find_holder_disk()  argument
976 		if (holder->disk == disk)  in bd_find_holder_disk()
1019 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
1029 	if (WARN_ON(!disk->slave_dir || !bdev->bd_part->holder_dir))  in bd_link_disk_holder()
1032 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
1045 	holder->disk = disk;  in bd_link_disk_holder()
1048 	ret = add_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1052 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
1065 	del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1084 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
1090 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1093 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_unlink_disk_holder()
1095 			    &disk_to_dev(disk)->kobj);  in bd_unlink_disk_holder()
1138 void check_disk_size_change(struct gendisk *disk, struct block_device *bdev)  in check_disk_size_change()  argument
1142 	disk_size = (loff_t)get_capacity(disk) << 9;  in check_disk_size_change()
1147 		       disk->disk_name, bdev_size, disk_size);  in check_disk_size_change()
1162 int revalidate_disk(struct gendisk *disk)  in revalidate_disk()  argument
1167 	if (disk->fops->revalidate_disk)  in revalidate_disk()
1168 		ret = disk->fops->revalidate_disk(disk);  in revalidate_disk()
1169 	bdev = bdget_disk(disk, 0);  in revalidate_disk()
1174 	check_disk_size_change(disk, bdev);  in revalidate_disk()
1193 	struct gendisk *disk = bdev->bd_disk;  in check_disk_change()  local
1194 	const struct block_device_operations *bdops = disk->fops;  in check_disk_change()
1197 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in check_disk_change()
1238 	struct gendisk *disk;  in __blkdev_get()  local
1262 	disk = get_gendisk(bdev->bd_dev, &partno);  in __blkdev_get()
1263 	if (!disk)  in __blkdev_get()
1265 	owner = disk->fops->owner;  in __blkdev_get()
1267 	disk_block_events(disk);  in __blkdev_get()
1270 		bdev->bd_disk = disk;  in __blkdev_get()
1271 		bdev->bd_queue = disk->queue;  in __blkdev_get()
1276 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1281 			if (disk->fops->open) {  in __blkdev_get()
1282 				ret = disk->fops->open(bdev, mode);  in __blkdev_get()
1293 					disk_unblock_events(disk);  in __blkdev_get()
1294 					put_disk(disk);  in __blkdev_get()
1301 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);  in __blkdev_get()
1311 					rescan_partitions(disk, bdev);  in __blkdev_get()
1313 					invalidate_partitions(disk, bdev);  in __blkdev_get()
1320 			whole = bdget_disk(disk, 0);  in __blkdev_get()
1329 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1330 			if (!(disk->flags & GENHD_FL_UP) ||  in __blkdev_get()
1353 		put_disk(disk);  in __blkdev_get()
1360 	disk_unblock_events(disk);  in __blkdev_get()
1373 	disk_unblock_events(disk);  in __blkdev_get()
1374 	put_disk(disk);  in __blkdev_get()
1419 		struct gendisk *disk = whole->bd_disk;  in blkdev_get()  local
1454 		    (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) {  in blkdev_get()
1456 			disk_block_events(disk);  in blkdev_get()
1576 	struct gendisk *disk = bdev->bd_disk;  in __blkdev_put()  local
1597 		if (disk->fops->release)  in __blkdev_put()
1598 			disk->fops->release(disk, mode);  in __blkdev_put()
1601 		struct module *owner = disk->fops->owner;  in __blkdev_put()
1610 		put_disk(disk);  in __blkdev_put()