332 ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos)  in vfs_iter_read()  argument
343 	iter->type |= READ;  in vfs_iter_read()
344 	ret = file->f_op->read_iter(&kiocb, iter);  in vfs_iter_read()
352 ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos)  in vfs_iter_write()  argument
363 	iter->type |= WRITE;  in vfs_iter_write()
364 	ret = file->f_op->write_iter(&kiocb, iter);  in vfs_iter_write()
415 	struct iov_iter iter;  in new_sync_read()  local
420 	iov_iter_init(&iter, READ, &iov, 1, len);  in new_sync_read()
422 	ret = filp->f_op->read_iter(&kiocb, &iter);  in new_sync_read()
471 	struct iov_iter iter;  in new_sync_write()  local
476 	iov_iter_init(&iter, WRITE, &iov, 1, len);  in new_sync_write()
478 	ret = filp->f_op->write_iter(&kiocb, &iter);  in new_sync_write()
655 static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter,  in do_iter_readv_writev()  argument
664 	ret = fn(&kiocb, iter);  in do_iter_readv_writev()
671 static ssize_t do_loop_readv_writev(struct file *filp, struct iov_iter *iter,  in do_loop_readv_writev()  argument
676 	while (iov_iter_count(iter)) {  in do_loop_readv_writev()
677 		struct iovec iovec = iov_iter_iovec(iter);  in do_loop_readv_writev()
690 		iov_iter_advance(iter, nr);  in do_loop_readv_writev()
781 	struct iov_iter iter;  in do_readv_writev()  local
787 			   ARRAY_SIZE(iovstack), &iov, &iter);  in do_readv_writev()
791 	tot_len = iov_iter_count(&iter);  in do_readv_writev()
808 		ret = do_iter_readv_writev(file, &iter, pos, iter_fn);  in do_readv_writev()
810 		ret = do_loop_readv_writev(file, &iter, pos, fn);  in do_readv_writev()
955 	struct iov_iter iter;  in compat_do_readv_writev()  local
961 				  UIO_FASTIOV, &iov, &iter);  in compat_do_readv_writev()
965 	tot_len = iov_iter_count(&iter);  in compat_do_readv_writev()
982 		ret = do_iter_readv_writev(file, &iter, pos, iter_fn);  in compat_do_readv_writev()
984 		ret = do_loop_readv_writev(file, &iter, pos, fn);  in compat_do_readv_writev()