staging/lustre/llite: remove ll_file_get_iov_count

	return result;

}

/*

 * XXX: exact copy from kernel code (__generic_file_aio_write_nolock)

 */

static int ll_file_get_iov_count(const struct iovec *iov,

				 unsigned long *nr_segs, size_t *count)

{

	size_t cnt = 0;

	unsigned long seg;

	for (seg = 0; seg < *nr_segs; seg++) {

		const struct iovec *iv = &iov[seg];

		/*

		 * If any segment has a negative length, or the cumulative

		 * length ever wraps negative then return -EINVAL.

		 */

		cnt += iv->iov_len;

		if (unlikely((ssize_t)(cnt|iv->iov_len) < 0))

			return -EINVAL;

		if (access_ok(VERIFY_READ, iv->iov_base, iv->iov_len))

			continue;

		if (seg == 0)

			return -EFAULT;

		*nr_segs = seg;

		cnt -= iv->iov_len;   /* This segment is no good */

		break;

	}

	*count = cnt;

	return 0;

}

static ssize_t ll_file_aio_read(struct kiocb *iocb, const struct iovec *iov,

				unsigned long nr_segs, loff_t pos)

{

	ssize_t	     result;

	int		 refcheck;

	result = ll_file_get_iov_count(iov, &nr_segs, &count);

	result = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE);

	if (result)

		return result;

	ssize_t	     result;

	int		 refcheck;

	result = ll_file_get_iov_count(iov, &nr_segs, &count);

	result = generic_segment_checks(iov, &nr_segs, &count, VERIFY_READ);

	if (result)

		return result;