From nobody Mon Feb 9 17:23:47 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 3CF7BEB64DC for ; Mon, 17 Jul 2023 13:27:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230172AbjGQN11 (ORCPT ); Mon, 17 Jul 2023 09:27:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231844AbjGQN07 (ORCPT ); Mon, 17 Jul 2023 09:26:59 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE260BD for ; Mon, 17 Jul 2023 06:26:37 -0700 (PDT) Received: from kwepemm600020.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4R4NB16bzXzrRlh; Mon, 17 Jul 2023 21:25:29 +0800 (CST) Received: from localhost.localdomain (10.175.112.125) by kwepemm600020.china.huawei.com (7.193.23.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 17 Jul 2023 21:26:11 +0800 From: Peng Zhang To: , CC: , , , , , ZhangPeng Subject: [PATCH 4/6] mm/page_io: use a folio in swap_writepage_bdev_async() Date: Mon, 17 Jul 2023 21:26:00 +0800 Message-ID: <20230717132602.2202147-5-zhangpeng362@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230717132602.2202147-1-zhangpeng362@huawei.com> References: <20230717132602.2202147-1-zhangpeng362@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: ZhangPeng Saves one implicit call to compound_head(). Signed-off-by: ZhangPeng Reviewed-by: Matthew Wilcox (Oracle) --- mm/page_io.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/page_io.c b/mm/page_io.c index f24f814b8dca..84cc9e652451 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -355,6 +355,7 @@ static void swap_writepage_bdev_async(struct page *page, struct writeback_control *wbc, struct swap_info_struct *sis) { struct bio *bio; + struct folio *folio =3D page_folio(page); =20 bio =3D bio_alloc(sis->bdev, 1, REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc), @@ -365,8 +366,8 @@ static void swap_writepage_bdev_async(struct page *page, =20 bio_associate_blkg_from_page(bio, page); count_swpout_vm_event(page); - set_page_writeback(page); - unlock_page(page); + folio_start_writeback(folio); + folio_unlock(folio); submit_bio(bio); } =20 --=20 2.25.1