From nobody Sun Apr 12 13:35:45 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9439CECAAD5 for ; Mon, 29 Aug 2022 12:11:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229773AbiH2MLe (ORCPT ); Mon, 29 Aug 2022 08:11:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229782AbiH2MLA (ORCPT ); Mon, 29 Aug 2022 08:11:00 -0400 Received: from out199-13.us.a.mail.aliyun.com (out199-13.us.a.mail.aliyun.com [47.90.199.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F11C780344; Mon, 29 Aug 2022 04:56:12 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R461e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046056;MF=xianting.tian@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0VNeBTl8_1661773934; Received: from localhost(mailfrom:xianting.tian@linux.alibaba.com fp:SMTPD_---0VNeBTl8_1661773934) by smtp.aliyun-inc.com; Mon, 29 Aug 2022 19:52:15 +0800 From: Xianting Tian To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Xianting Tian Subject: [PATCH] seq_file: use iov_iter_ubuf() to simplify the code Date: Mon, 29 Aug 2022 19:52:12 +0800 Message-Id: <20220829115212.4006109-1-xianting.tian@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" use iov_iter_ubuf() instead of iov_iter_init() to simplify the code Signed-off-by: Xianting Tian --- fs/seq_file.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/seq_file.c b/fs/seq_file.c index 9456a2032224..6af66161576a 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -150,13 +150,12 @@ static int traverse(struct seq_file *m, loff_t offset) */ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t = *ppos) { - struct iovec iov =3D { .iov_base =3D buf, .iov_len =3D size}; struct kiocb kiocb; struct iov_iter iter; ssize_t ret; =20 init_sync_kiocb(&kiocb, file); - iov_iter_init(&iter, READ, &iov, 1, size); + iov_iter_ubuf(&iter, READ, buf, size); =20 kiocb.ki_pos =3D *ppos; ret =3D seq_read_iter(&kiocb, &iter); --=20 2.17.1