256 ssize_t nfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t pos)  in nfs_direct_IO()  argument
264 	VM_BUG_ON(iov_iter_count(iter) != PAGE_SIZE);  in nfs_direct_IO()
266 	if (iov_iter_rw(iter) == READ)  in nfs_direct_IO()
267 		return nfs_file_direct_read(iocb, iter, pos);  in nfs_direct_IO()
268 	return nfs_file_direct_write(iocb, iter);  in nfs_direct_IO()
472 					      struct iov_iter *iter,  in nfs_direct_read_schedule_iovec()  argument
487 	while (iov_iter_count(iter)) {  in nfs_direct_read_schedule_iovec()
493 		result = iov_iter_get_pages_alloc(iter, &pagevec,   in nfs_direct_read_schedule_iovec()
499 		iov_iter_advance(iter, bytes);  in nfs_direct_read_schedule_iovec()
567 ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter,  in nfs_file_direct_read()  argument
576 	size_t count = iov_iter_count(iter);  in nfs_file_direct_read()
612 	result = nfs_direct_read_schedule_iovec(dreq, iter, pos);  in nfs_file_direct_read()
858 					       struct iov_iter *iter,  in nfs_direct_write_schedule_iovec()  argument
873 	NFS_I(inode)->write_io += iov_iter_count(iter);  in nfs_direct_write_schedule_iovec()
874 	while (iov_iter_count(iter)) {  in nfs_direct_write_schedule_iovec()
880 		result = iov_iter_get_pages_alloc(iter, &pagevec,   in nfs_direct_write_schedule_iovec()
886 		iov_iter_advance(iter, bytes);  in nfs_direct_write_schedule_iovec()
958 ssize_t nfs_file_direct_write(struct kiocb *iocb, struct iov_iter *iter)  in nfs_file_direct_write()  argument
969 		file, iov_iter_count(iter), (long long) iocb->ki_pos);  in nfs_file_direct_write()
972 		      iov_iter_count(iter));  in nfs_file_direct_write()
975 	end = (pos + iov_iter_count(iter) - 1) >> PAGE_CACHE_SHIFT;  in nfs_file_direct_write()
990 	task_io_account_write(iov_iter_count(iter));  in nfs_file_direct_write()
998 	dreq->bytes_left = iov_iter_count(iter);  in nfs_file_direct_write()
1010 	result = nfs_direct_write_schedule_iovec(dreq, iter, pos);  in nfs_file_direct_write()