compat_put_int    741 block/compat_ioctl.c 		return compat_put_int(arg, bdev_read_only(bdev) != 0);
compat_put_int    743 block/compat_ioctl.c 		return compat_put_int(arg, block_size(bdev));
compat_put_int    745 block/compat_ioctl.c 		return compat_put_int(arg, bdev_hardsect_size(bdev));