bdev_mark_dead
EXPORT_SYMBOL_GPL(bdev_mark_dead);
bdev_mark_dead(disk->part0, true);
bdev_mark_dead(bdev, surprise);
bdev_mark_dead(disk->part0, true);
bdev_mark_dead(disk->part0, true);
bdev_mark_dead(file_bdev(device->block->bdev_file), false);
void bdev_mark_dead(struct block_device *bdev, bool surprise);