12 static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user *arg)  in blkpg_ioctl()  argument
25 	if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg)))  in blkpg_ioctl()
204 static int put_ushort(unsigned long arg, unsigned short val)  in put_ushort()  argument
206 	return put_user(val, (unsigned short __user *)arg);  in put_ushort()
209 static int put_int(unsigned long arg, int val)  in put_int()  argument
211 	return put_user(val, (int __user *)arg);  in put_int()
214 static int put_uint(unsigned long arg, unsigned int val)  in put_uint()  argument
216 	return put_user(val, (unsigned int __user *)arg);  in put_uint()
219 static int put_long(unsigned long arg, long val)  in put_long()  argument
221 	return put_user(val, (long __user *)arg);  in put_long()
224 static int put_ulong(unsigned long arg, unsigned long val)  in put_ulong()  argument
226 	return put_user(val, (unsigned long __user *)arg);  in put_ulong()
229 static int put_u64(unsigned long arg, u64 val)  in put_u64()  argument
231 	return put_user(val, (u64 __user *)arg);  in put_u64()
235 			unsigned cmd, unsigned long arg)  in __blkdev_driver_ioctl()  argument
240 		return disk->fops->ioctl(bdev, mode, cmd, arg);  in __blkdev_driver_ioctl()
275 			unsigned long arg)  in blkdev_ioctl()  argument
288 		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_ioctl()
297 		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_ioctl()
302 		if (get_user(n, (int __user *)(arg)))  in blkdev_ioctl()
314 		if (copy_from_user(range, (void __user *)arg, sizeof(range)))  in blkdev_ioctl()
326 		if (copy_from_user(range, (void __user *)arg, sizeof(range)))  in blkdev_ioctl()
335 		if (!arg)  in blkdev_ioctl()
349 		if (copy_to_user((struct hd_geometry __user *)arg, &geo,  in blkdev_ioctl()
356 		if (!arg)  in blkdev_ioctl()
359 		return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);  in blkdev_ioctl()
361 		return put_int(arg, bdev_read_only(bdev) != 0);  in blkdev_ioctl()
363 		return put_int(arg, block_size(bdev));  in blkdev_ioctl()
365 		return put_int(arg, bdev_logical_block_size(bdev));  in blkdev_ioctl()
367 		return put_uint(arg, bdev_physical_block_size(bdev));  in blkdev_ioctl()
369 		return put_uint(arg, bdev_io_min(bdev));  in blkdev_ioctl()
371 		return put_uint(arg, bdev_io_opt(bdev));  in blkdev_ioctl()
373 		return put_int(arg, bdev_alignment_offset(bdev));  in blkdev_ioctl()
375 		return put_uint(arg, bdev_discard_zeroes_data(bdev));  in blkdev_ioctl()
379 		return put_ushort(arg, max_sectors);  in blkdev_ioctl()
381 		return put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev)));  in blkdev_ioctl()
387 		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;  in blkdev_ioctl()
393 		if (!arg)  in blkdev_ioctl()
395 		if (get_user(n, (int __user *) arg))  in blkdev_ioctl()
407 		ret = blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg);  in blkdev_ioctl()
416 		return put_ulong(arg, size >> 9);  in blkdev_ioctl()
418 		return put_u64(arg, i_size_read(bdev->bd_inode));  in blkdev_ioctl()
423 		ret = blk_trace_ioctl(bdev, cmd, (char __user *) arg);  in blkdev_ioctl()
426 		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_ioctl()