From mboxrd@z Thu Jan 1 00:00:00 1970 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 63531C433EF for ; Mon, 27 Jun 2022 13:23:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235724AbiF0NX5 (ORCPT ); Mon, 27 Jun 2022 09:23:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234032AbiF0NX5 (ORCPT ); Mon, 27 Jun 2022 09:23:57 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1A8E62F3; Mon, 27 Jun 2022 06:23:55 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.56]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4LWpM65sQ4z9srP; Mon, 27 Jun 2022 21:23:14 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 27 Jun 2022 21:23:53 +0800 From: Miaohe Lin To: , CC: , , , Subject: [PATCH] filemap: minor cleanup for filemap_write_and_wait_range Date: Mon, 27 Jun 2022 21:23:51 +0800 Message-ID: <20220627132351.55680-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Restructure the logic in filemap_write_and_wait_range to simplify the code and make it more consistent with file_write_and_wait_range. No functional change intended. Signed-off-by: Miaohe Lin --- mm/filemap.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 8ccb868c3d95..b561619cfafe 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -667,7 +667,7 @@ EXPORT_SYMBOL_GPL(filemap_range_has_writeback); int filemap_write_and_wait_range(struct address_space *mapping, loff_t lstart, loff_t lend) { - int err = 0; + int err = 0, err2; if (mapping_needs_writeback(mapping)) { err = __filemap_fdatawrite_range(mapping, lstart, lend, @@ -678,18 +678,12 @@ int filemap_write_and_wait_range(struct address_space *mapping, * But the -EIO is special case, it may indicate the worst * thing (e.g. bug) happened, so we avoid waiting for it. */ - if (err != -EIO) { - int err2 = filemap_fdatawait_range(mapping, - lstart, lend); - if (!err) - err = err2; - } else { - /* Clear any previously stored errors */ - filemap_check_errors(mapping); - } - } else { - err = filemap_check_errors(mapping); + if (err != -EIO) + __filemap_fdatawait_range(mapping, lstart, lend); } + err2 = filemap_check_errors(mapping); + if (!err) + err = err2; return err; } EXPORT_SYMBOL(filemap_write_and_wait_range); -- 2.23.0