13 static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user *arg)  in blkpg_ioctl()  argument
26 	if (copy_from_user(&a, arg, sizeof(struct blkpg_ioctl_arg)))  in blkpg_ioctl()
198 		unsigned long arg, unsigned long flags)  in blk_ioctl_discard()  argument
206 	if (copy_from_user(range, (void __user *)arg, sizeof(range)))  in blk_ioctl_discard()
225 		unsigned long arg)  in blk_ioctl_zeroout()  argument
233 	if (copy_from_user(range, (void __user *)arg, sizeof(range)))  in blk_ioctl_zeroout()
252 static int put_ushort(unsigned long arg, unsigned short val)  in put_ushort()  argument
254 	return put_user(val, (unsigned short __user *)arg);  in put_ushort()
257 static int put_int(unsigned long arg, int val)  in put_int()  argument
259 	return put_user(val, (int __user *)arg);  in put_int()
262 static int put_uint(unsigned long arg, unsigned int val)  in put_uint()  argument
264 	return put_user(val, (unsigned int __user *)arg);  in put_uint()
267 static int put_long(unsigned long arg, long val)  in put_long()  argument
269 	return put_user(val, (long __user *)arg);  in put_long()
272 static int put_ulong(unsigned long arg, unsigned long val)  in put_ulong()  argument
274 	return put_user(val, (unsigned long __user *)arg);  in put_ulong()
277 static int put_u64(unsigned long arg, u64 val)  in put_u64()  argument
279 	return put_user(val, (u64 __user *)arg);  in put_u64()
283 			unsigned cmd, unsigned long arg)  in __blkdev_driver_ioctl()  argument
288 		return disk->fops->ioctl(bdev, mode, cmd, arg);  in __blkdev_driver_ioctl()
300 		struct pr_registration __user *arg)  in blkdev_pr_register()  argument
309 	if (copy_from_user(&reg, arg, sizeof(reg)))  in blkdev_pr_register()
318 		struct pr_reservation __user *arg)  in blkdev_pr_reserve()  argument
327 	if (copy_from_user(&rsv, arg, sizeof(rsv)))  in blkdev_pr_reserve()
336 		struct pr_reservation __user *arg)  in blkdev_pr_release()  argument
345 	if (copy_from_user(&rsv, arg, sizeof(rsv)))  in blkdev_pr_release()
354 		struct pr_preempt __user *arg, bool abort)  in blkdev_pr_preempt()  argument
363 	if (copy_from_user(&p, arg, sizeof(p)))  in blkdev_pr_preempt()
372 		struct pr_clear __user *arg)  in blkdev_pr_clear()  argument
381 	if (copy_from_user(&c, arg, sizeof(c)))  in blkdev_pr_clear()
410 		unsigned cmd, unsigned long arg)  in blkdev_flushbuf()  argument
417 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_flushbuf()
427 		unsigned cmd, unsigned long arg)  in blkdev_roset()  argument
431 	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_roset()
436 	if (get_user(n, (int __user *)arg))  in blkdev_roset()
497 			unsigned long arg)  in blkdev_ioctl()  argument
500 	void __user *argp = (void __user *)arg;  in blkdev_ioctl()
506 		return blkdev_flushbuf(bdev, mode, cmd, arg);  in blkdev_ioctl()
508 		return blkdev_roset(bdev, mode, cmd, arg);  in blkdev_ioctl()
510 		return blk_ioctl_discard(bdev, mode, arg, 0);  in blkdev_ioctl()
512 		return blk_ioctl_discard(bdev, mode, arg,  in blkdev_ioctl()
515 		return blk_ioctl_zeroout(bdev, mode, arg);  in blkdev_ioctl()
520 		if (!arg)  in blkdev_ioctl()
523 		return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);  in blkdev_ioctl()
525 		return put_int(arg, bdev_read_only(bdev) != 0);  in blkdev_ioctl()
527 		return put_int(arg, block_size(bdev));  in blkdev_ioctl()
529 		return put_int(arg, bdev_logical_block_size(bdev));  in blkdev_ioctl()
531 		return put_uint(arg, bdev_physical_block_size(bdev));  in blkdev_ioctl()
533 		return put_uint(arg, bdev_io_min(bdev));  in blkdev_ioctl()
535 		return put_uint(arg, bdev_io_opt(bdev));  in blkdev_ioctl()
537 		return put_int(arg, bdev_alignment_offset(bdev));  in blkdev_ioctl()
539 		return put_uint(arg, bdev_discard_zeroes_data(bdev));  in blkdev_ioctl()
543 		return put_ushort(arg, max_sectors);  in blkdev_ioctl()
545 		return put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev)));  in blkdev_ioctl()
551 		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;  in blkdev_ioctl()
563 		return put_ulong(arg, size >> 9);  in blkdev_ioctl()
565 		return put_u64(arg, i_size_read(bdev->bd_inode));  in blkdev_ioctl()
584 		return __blkdev_driver_ioctl(bdev, mode, cmd, arg);  in blkdev_ioctl()