216 	struct block_device	*hr_bdev;  member
521 	bio = bio_alloc(reg->hr_bdev, 16, op | op_flags, GFP_ATOMIC);  in o2hb_setup_one_bio()
1510 	if (reg->hr_bdev)  in o2hb_region_release()
1511 		blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);  in o2hb_region_release()
1570 	if (reg->hr_bdev)  in o2hb_region_block_bytes_store()
1599 	if (reg->hr_bdev)  in o2hb_region_start_block_store()
1624 	if (reg->hr_bdev)  in o2hb_region_blocks_store()
1643 	if (to_o2hb_region(item)->hr_bdev)  in o2hb_region_dev_show()
1767 	if (reg->hr_bdev)  in o2hb_region_dev_store()
1793 	reg->hr_bdev = blkdev_get_by_dev(f.file->f_mapping->host->i_rdev,  in o2hb_region_dev_store()
1795 	if (IS_ERR(reg->hr_bdev)) {  in o2hb_region_dev_store()
1796 		ret = PTR_ERR(reg->hr_bdev);  in o2hb_region_dev_store()
1797 		reg->hr_bdev = NULL;  in o2hb_region_dev_store()
1801 	bdevname(reg->hr_bdev, reg->hr_dev_name);  in o2hb_region_dev_store()
1803 	sectsize = bdev_logical_block_size(reg->hr_bdev);  in o2hb_region_dev_store()
1903 		blkdev_put(reg->hr_bdev, FMODE_READ | FMODE_WRITE);  in o2hb_region_dev_store()
1904 		reg->hr_bdev = NULL;  in o2hb_region_dev_store()