1066 	struct gendisk *disk = get_gendisk(bdev->bd_dev, partno);  in bdev_get_gendisk()  local
1068 	if (!disk)  in bdev_get_gendisk()
1079 		put_disk_and_module(disk);  in bdev_get_gendisk()
1082 	return disk;  in bdev_get_gendisk()
1111 	struct gendisk *disk;  in bd_start_claiming()  local
1121 	disk = bdev_get_gendisk(bdev, &partno);  in bd_start_claiming()
1122 	if (!disk)  in bd_start_claiming()
1134 		whole = bdget_disk(disk, 0);  in bd_start_claiming()
1138 	put_disk_and_module(disk);  in bd_start_claiming()
1160 	struct gendisk		*disk;  member
1165 						  struct gendisk *disk)  in bd_find_holder_disk()  argument
1170 		if (holder->disk == disk)  in bd_find_holder_disk()
1213 int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_link_disk_holder()  argument
1223 	if (WARN_ON(!disk->slave_dir || !bdev->bd_part->holder_dir))  in bd_link_disk_holder()
1226 	holder = bd_find_holder_disk(bdev, disk);  in bd_link_disk_holder()
1239 	holder->disk = disk;  in bd_link_disk_holder()
1242 	ret = add_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1246 	ret = add_symlink(bdev->bd_part->holder_dir, &disk_to_dev(disk)->kobj);  in bd_link_disk_holder()
1259 	del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_link_disk_holder()
1278 void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk)  in bd_unlink_disk_holder()  argument
1284 	holder = bd_find_holder_disk(bdev, disk);  in bd_unlink_disk_holder()
1287 		del_symlink(disk->slave_dir, &part_to_dev(bdev->bd_part)->kobj);  in bd_unlink_disk_holder()
1289 			    &disk_to_dev(disk)->kobj);  in bd_unlink_disk_holder()
1334 void check_disk_size_change(struct gendisk *disk, struct block_device *bdev,  in check_disk_size_change()  argument
1339 	disk_size = (loff_t)get_capacity(disk) << 9;  in check_disk_size_change()
1345 			       disk->disk_name, bdev_size, disk_size);  in check_disk_size_change()
1361 int revalidate_disk(struct gendisk *disk)  in revalidate_disk()  argument
1366 	if (disk->fops->revalidate_disk)  in revalidate_disk()
1367 		ret = disk->fops->revalidate_disk(disk);  in revalidate_disk()
1368 	bdev = bdget_disk(disk, 0);  in revalidate_disk()
1373 	check_disk_size_change(disk, bdev, ret == 0);  in revalidate_disk()
1392 	struct gendisk *disk = bdev->bd_disk;  in check_disk_change()  local
1393 	const struct block_device_operations *bdops = disk->fops;  in check_disk_change()
1396 	events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |  in check_disk_change()
1437 	struct gendisk *disk;  in __blkdev_get()  local
1461 	disk = bdev_get_gendisk(bdev, &partno);  in __blkdev_get()
1462 	if (!disk)  in __blkdev_get()
1465 	disk_block_events(disk);  in __blkdev_get()
1469 		bdev->bd_disk = disk;  in __blkdev_get()
1470 		bdev->bd_queue = disk->queue;  in __blkdev_get()
1476 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1481 			if (disk->fops->open) {  in __blkdev_get()
1482 				ret = disk->fops->open(bdev, mode);  in __blkdev_get()
1493 					disk_unblock_events(disk);  in __blkdev_get()
1494 					put_disk_and_module(disk);  in __blkdev_get()
1500 				bd_set_size(bdev,(loff_t)get_capacity(disk)<<9);  in __blkdev_get()
1510 					rescan_partitions(disk, bdev);  in __blkdev_get()
1512 					invalidate_partitions(disk, bdev);  in __blkdev_get()
1519 			whole = bdget_disk(disk, 0);  in __blkdev_get()
1528 			bdev->bd_part = disk_get_part(disk, partno);  in __blkdev_get()
1529 			if (!(disk->flags & GENHD_FL_UP) ||  in __blkdev_get()
1538 			bdev->bd_bdi = bdi_get(disk->queue->backing_dev_info);  in __blkdev_get()
1559 	disk_unblock_events(disk);  in __blkdev_get()
1562 		put_disk_and_module(disk);  in __blkdev_get()
1575 	disk_unblock_events(disk);  in __blkdev_get()
1576 	put_disk_and_module(disk);  in __blkdev_get()
1620 		struct gendisk *disk = whole->bd_disk;  in blkdev_get()  local
1655 		    (disk->flags & GENHD_FL_BLOCK_EVENTS_ON_EXCL_WRITE)) {  in blkdev_get()
1657 			disk_block_events(disk);  in blkdev_get()
1780 	struct gendisk *disk = bdev->bd_disk;  in __blkdev_put()  local
1795 		if (disk->fops->release)  in __blkdev_put()
1796 			disk->fops->release(disk, mode);  in __blkdev_put()
1806 		put_disk_and_module(disk);  in __blkdev_put()