bdev_max_secure_erase_sectors
if (!bdev_max_secure_erase_sectors(bdev))
unsigned int max_sectors = bdev_max_secure_erase_sectors(bdev);
if (!bdev_max_secure_erase_sectors(bdev))
rsp->secure_discard = cpu_to_le16(bdev_max_secure_erase_sectors(bdev));
if (bdev_max_secure_erase_sectors(file_bdev(bdev_file)))
return !bdev_max_secure_erase_sectors(dev->bdev);
if (bdev_max_secure_erase_sectors(bdev))