From patchwork Thu Jul 20 13:01:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "zhangpeng (AS)" X-Patchwork-Id: 123266 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp3117573vqt; Thu, 20 Jul 2023 06:26:59 -0700 (PDT) X-Google-Smtp-Source: APBJJlHBi9PPcWu1wF8jhjbfc/NCed0HjWhICNg6plZxLJZDSjKIAnt0Jz9nH2a7BHc22fYUEdm3 X-Received: by 2002:a17:90a:1110:b0:25c:8b5e:814 with SMTP id d16-20020a17090a111000b0025c8b5e0814mr1925434pja.44.1689859618599; Thu, 20 Jul 2023 06:26:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689859618; cv=none; d=google.com; s=arc-20160816; b=x+8ksIPrIzutkZ2XjRlwzO7q4PzqmYQW7nHmbuSoA3KeQA6xj1LGhLCWsX4Ri2Zau2 eepUoZTU7jDJvMH1zBQ9WfiYOcjbmJuymQw4cOpa8AkjUd3ybT+/CcVLQ/wAUMg7RxG+ ef5Njh7WIPCobK4iPcprRqfAH+4xmMEvtFMQWtDUNLXJsLlaFHBoxCdQgwvIM0WvYe/X nQg6hkGHRQhIDCouAF01w2fbvpKC0fFsC+2Ii7Lsll+Nn5jk/QMwLBOUXlD8Vb3Q9hZE DNq0IWolGQWcpMUaBuqB7LrbpAI4OZY8haervKZGIlnivfd0NcD1LhXQfuq/h/uEccXe 0c/Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=VoMOxTnnrTWZ8rs4+m1BH19jtkngfSRXW7ZSyIZxahg=; fh=q8rOnvZaN5Z50YvgZS1uBArX5ZcEEwPcusRFazgmNUQ=; b=biRKaRrG75awfin0kBDOu2+Wda0sPpI3Fgezox39nML8Zpdqmw5QDGryiz3G0fR1fS n0zGrkyi52b3cv78L0X8ABRm5hxACKsvb0qn4GEe6g1Um+pRFAskCVMu+CENkNRL0uOt vxvfibXJMKjotb904UYYnD6zVhA8uTMBJHC3h89VI9Kz437Ot0WsUxCcM1oP34MMYpUa ux72IKaTMtELgjqQUuNXhghL1Pl6DcXdxGJO+Qf0B/asPny4aqj+6OMVVk0r4Hy+8RLc lVNKf+TPZo6KQU8VOhOLrL5zSl21pt8jeHVATC3+nFSntrxO0sFpLCCKmlhK1ZsUfLEb qEjw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id ls14-20020a17090b350e00b00250ce1755e9si1286873pjb.14.2023.07.20.06.26.44; Thu, 20 Jul 2023 06:26:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230153AbjGTNCj (ORCPT + 99 others); Thu, 20 Jul 2023 09:02:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57566 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231438AbjGTNC0 (ORCPT ); Thu, 20 Jul 2023 09:02:26 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8E56269A for ; Thu, 20 Jul 2023 06:02:24 -0700 (PDT) Received: from kwepemm600020.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4R6CS44zXXzNmTw; Thu, 20 Jul 2023 20:59:00 +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; Thu, 20 Jul 2023 21:02:20 +0800 From: Peng Zhang To: , , CC: , , , , , ZhangPeng Subject: [PATCH v3 08/10] mm/page_io: use a folio in swap_writepage_bdev_async() Date: Thu, 20 Jul 2023 21:01:45 +0800 Message-ID: <20230720130147.4071649-9-zhangpeng362@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230720130147.4071649-1-zhangpeng362@huawei.com> References: <20230720130147.4071649-1-zhangpeng362@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemm600020.china.huawei.com (7.193.23.147) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771946239129358807 X-GMAIL-MSGID: 1771946239129358807 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 9df2a85e31b1..07bad3a4b701 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -352,6 +352,7 @@ static void swap_writepage_bdev_async(struct page *page, struct writeback_control *wbc, struct swap_info_struct *sis) { struct bio *bio; + struct folio *folio = page_folio(page); bio = bio_alloc(sis->bdev, 1, REQ_OP_WRITE | REQ_SWAP | wbc_to_write_flags(wbc), @@ -362,8 +363,8 @@ static void swap_writepage_bdev_async(struct page *page, 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); }