158 nfs_file_read(struct kiocb *iocb, struct iov_iter *to)  in nfs_file_read()  argument
160 	struct inode *inode = file_inode(iocb->ki_filp);  in nfs_file_read()
163 	if (iocb->ki_flags & IOCB_DIRECT)  in nfs_file_read()
164 		return nfs_file_direct_read(iocb, to, false);  in nfs_file_read()
167 		iocb->ki_filp,  in nfs_file_read()
168 		iov_iter_count(to), (unsigned long) iocb->ki_pos);  in nfs_file_read()
171 	result = nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping);  in nfs_file_read()
173 		result = generic_file_read_iter(iocb, to);  in nfs_file_read()
603 ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)  in nfs_file_write()  argument
605 	struct file *file = iocb->ki_filp;  in nfs_file_write()
616 	if (iocb->ki_flags & IOCB_DIRECT)  in nfs_file_write()
617 		return nfs_file_direct_write(iocb, from, false);  in nfs_file_write()
620 		file, iov_iter_count(from), (long long) iocb->ki_pos);  in nfs_file_write()
627 	if (iocb->ki_flags & IOCB_APPEND) {  in nfs_file_write()
632 	if (iocb->ki_pos > i_size_read(inode))  in nfs_file_write()
637 	result = generic_write_checks(iocb, from);  in nfs_file_write()
640 		result = generic_perform_write(file, from, iocb->ki_pos);  in nfs_file_write()
648 	iocb->ki_pos += written;  in nfs_file_write()
649 	result = generic_write_sync(iocb, written);  in nfs_file_write()