From patchwork Thu Jan 28 07:11:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 372976 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54C29C433E6 for ; Thu, 28 Jan 2021 07:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 054E060235 for ; Thu, 28 Jan 2021 07:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231846AbhA1HXH (ORCPT ); Thu, 28 Jan 2021 02:23:07 -0500 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:16439 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229739AbhA1HSe (ORCPT ); Thu, 28 Jan 2021 02:18:34 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1611818314; x=1643354314; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KxHF3VRS1HdpvW1dkgXeP6+bfyoqSsbsdMU7tIvbgNk=; b=OKiQWOaHlo4CcwOp9RhQhpkKeQodGO0SDW4aSGYtfRZ5kujvkw1XwCnV p80Ke+c5vNvKo86eTE9M2rIid29RV/r0H/7hbXEsfWQz+c22vMdS2dLkp 061CzJJODGEGbUduKCJTrxM3obRUIIc2VWi7o21bXAgspKedaL3H1vUFT VS0cHTCWMxQFboTOHTaqYE/pmucm3D/DyanJoakQ7Qyzes+hFrwn+mkmR AT3Tz03MnpVUHNJpsu0XLjsK43lTrBz7I1HlILdEuwsB8x5o99zsFxC9J 8hsDOnIOLLHSlJwvjLta4rK0sPOv/GAiin5IQn5nJwt2AaUSPH1z7FhBX w==; IronPort-SDR: kU/TcTjD0qOIe9DpiQYG58Bm+/Ccv1VR9q9MbSLYCJcDxsYXg58FfJ4IRt58B4NxkNVfDbdytj s21PwC89VDuF5hS+RafTlPP8t3P0suk3Y5VwLjnZXD+i+5d9jSZDXND+GRBjxULUZ3c85u6o04 JqO3W0GPKxx+cl7kMZenjscbcuCeL/fcTQqLhS7uti1TzTZ48JB1sz48+vAlXlB4eotNg1OuoF n6rJC4yVRodam4I2q5bXC8ms8McaKidH/DFT28Z7lpl6i4Vf5OCt1ulYcSIc4zJNyictnHYxw4 D5Y= X-IronPort-AV: E=Sophos;i="5.79,381,1602518400"; d="scan'208";a="158518505" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Jan 2021 15:16:19 +0800 IronPort-SDR: 4Eotcj4z9YpFY9deAZB5+4sr0HDyIwAZNjbeLXmEavSawhZPY/y6XnAa8vDeqSOTKGFjR38nm6 3qkvQpcXaKYGeQThmlMM0WHSAHl77pQizT1kVoCqb70Me9Z+PjHnRkTw/0XOuFVuLrnVZx2mHZ I/fqIiSyUOSA3sl3fcn+ZmUjtnc6HbUqJ6Bgh0GOh3dJhh+7SU0mDbkLAS0Nksz1espajrZkfz /e40rOubOfy7vP7Jn+0uBVZWIPhiWNomkanA5v3cGRit8hCf5wRPgu+1g+RYURtCx6/hXBTrKZ qSEx0hPktBUkYL+5FCCieJmx Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 22:58:37 -0800 IronPort-SDR: e2VgktU8Igp+G/4kwCau3Wofn5lcroMY0YPC7tNcu39YNL7JBNMa1+cKXT86WcuzihvSj94J7W 8sv8AfyOojzHeLFV1vgVT8Pm71/iwcQAmabu9Ufd/jwBkzWKoKpTzhJn2DWIwNp2e8mqIx3G5A LS7tN5JWZnYOGTkwZ/LMhdAEhsm6g9R10Edu6WiLHx+xz1R0nO/OSJcMH5j4uo+XVYn8ORNhbv mynrcW4WJ2Z8dThUFTylCCg25lF4TIegFSZNE+eSh2Iz0rquG/Dk4lImC2ZggxF5isWDJ8MWSG Bw0= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip02.wdc.com with ESMTP; 27 Jan 2021 23:16:19 -0800 From: Chaitanya Kulkarni To: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, drbd-dev@lists.linbit.com, xen-devel@lists.xenproject.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-fscrypt@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nilfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-pm@vger.kernel.org, linux-mm@kvack.org Cc: axboe@kernel.dk, philipp.reisner@linbit.com, lars.ellenberg@linbit.com, konrad.wilk@oracle.com, roger.pau@citrix.com, minchan@kernel.org, ngupta@vflare.org, sergey.senozhatsky.work@gmail.com, agk@redhat.com, snitzer@redhat.com, hch@lst.de, sagi@grimberg.me, chaitanya.kulkarni@wdc.com, martin.petersen@oracle.com, viro@zeniv.linux.org.uk, tytso@mit.edu, jaegeuk@kernel.org, ebiggers@kernel.org, djwong@kernel.org, shaggy@kernel.org, konishi.ryusuke@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, damien.lemoal@wdc.com, naohiro.aota@wdc.com, jth@kernel.org, rjw@rjwysocki.net, len.brown@intel.com, pavel@ucw.cz, akpm@linux-foundation.org, hare@suse.de, gustavoars@kernel.org, tiwai@suse.de, alex.shi@linux.alibaba.com, asml.silence@gmail.com, ming.lei@redhat.com, tj@kernel.org, osandov@fb.com, bvanassche@acm.org, jefflexu@linux.alibaba.com Subject: [RFC PATCH 34/34] mm: add swap_bio_new common bio helper Date: Wed, 27 Jan 2021 23:11:33 -0800 Message-Id: <20210128071133.60335-35-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> References: <20210128071133.60335-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Signed-off-by: Chaitanya Kulkarni --- mm/page_io.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/mm/page_io.c b/mm/page_io.c index 7579485ccb5e..cc30c9a0b0a7 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -287,6 +287,17 @@ static void bio_associate_blkg_from_page(struct bio *bio, struct page *page) #define bio_associate_blkg_from_page(bio, page) do { } while (0) #endif /* CONFIG_MEMCG && CONFIG_BLK_CGROUP */ +static inline struct bio *swap_bio_new(struct block_device *dev, + unsigned op, unsigned opf, gfp_t gfp, struct page *p, + bio_end_io_t *end_io) +{ + struct bio *bio = bio_new(dev, swap_page_sector(p), op, opf, 1, gfp); + + bio->bi_end_io = end_io; + bio_add_page(bio, p, thp_size(p), 0); + return bio; +} + int __swap_writepage(struct page *page, struct writeback_control *wbc, bio_end_io_t end_write_func) { @@ -342,11 +353,9 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, return 0; } - bio = bio_new(sis->bdev, swap_page_sector(page), REQ_OP_WRITE, - REQ_SWAP | wbc_to_write_flags(wbc), 1, GFP_NOIO); - bio->bi_end_io = end_write_func; - bio_add_page(bio, page, thp_size(page), 0); - + bio = swap_bio_new(sis->bdev, REQ_OP_WRITE, + REQ_SWAP | wbc_to_write_flags(wbc), GFP_KERNEL, + page, end_write_func); bio_associate_blkg_from_page(bio, page); count_swpout_vm_event(page); set_page_writeback(page); @@ -406,11 +415,8 @@ int swap_readpage(struct page *page, bool synchronous) } ret = 0; - bio = bio_new(sis->bdev, swap_page_sector(page), REQ_OP_READ, 0, 1, - GFP_KERNEL); - bio->bi_end_io = end_swap_bio_read; - bio_add_page(bio, page, thp_size(page), 0); - + bio = swap_bio_new(sis->bdev, REQ_OP_READ, 0, GFP_KERNEL, page, + end_swap_bio_read); disk = bio->bi_bdev->bd_disk; /* * Keep this task valid during swap readpage because the oom killer may