From patchwork Fri Feb 3 15:06:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13128006 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 11B74C64ED6 for ; Fri, 3 Feb 2023 15:08:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234108AbjBCPIc (ORCPT ); Fri, 3 Feb 2023 10:08:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233915AbjBCPHx (ORCPT ); Fri, 3 Feb 2023 10:07:53 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0D738D62A; Fri, 3 Feb 2023 07:07:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=2ivuZdJU66fGeGNrDCSX2XtHVJq8+h1pLMvYDbA6wQ8=; b=QSfgGBAh+EXZxzz/Xx6bibyovx 8Nrgb07oWFXF7SI+3wqJ/enmvP8hFHc6hUi3sA6GWv5A6dP7fcYPg732hEG/Jv2/jgoMcNgX6QddE Klux6y3fIgLzUgx2tQwUDLRbjwR42AzjGvRy3d+zXy8gseAM9WJfDA8waCftfZvGrqDwKbb421JO+ A7KmM+t82WMvPJd60uQmgjS17we9cGNrkQfjYtCxBhWbUJkld5d206L4xTBajgBh6O8m/iXqiwdQ5 Cvd+cDQIEMDIlKCNI2qXlOITbs0hvvqOAEaly0PMreLcEnepGH9pQ2ba/Ud+fBJ4c0tY614+rY/Gv 8MQKv9iw==; Received: from [2001:4bb8:19a:272a:910:bb67:7287:f956] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pNxef-002ar9-Df; Fri, 03 Feb 2023 15:07:10 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Ilya Dryomov , "Michael S. Tsirkin" , Jason Wang , Minchan Kim , Sergey Senozhatsky , Keith Busch , Sagi Grimberg , Chaitanya Kulkarni , "Martin K. Petersen" , David Howells , Marc Dionne , Xiubo Li , Steve French , Trond Myklebust , Anna Schumaker , Mike Marshall , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Chuck Lever , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, devel@lists.orangefs.org, io-uring@vger.kernel.org, linux-mm@kvack.org, Johannes Thumshirn Subject: [PATCH 10/23] zram: use bvec_set_page to initialize bvecs Date: Fri, 3 Feb 2023 16:06:21 +0100 Message-Id: <20230203150634.3199647-11-hch@lst.de> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230203150634.3199647-1-hch@lst.de> References: <20230203150634.3199647-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use the bvec_set_page helper to initialize bvecs. Signed-off-by: Christoph Hellwig Reviewed-by: Sergey Senozhatsky Reviewed-by: Johannes Thumshirn --- drivers/block/zram/zram_drv.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index e290d6d970474e..bd8ae4822dc3ef 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -703,9 +703,7 @@ static ssize_t writeback_store(struct device *dev, for (; nr_pages != 0; index++, nr_pages--) { struct bio_vec bvec; - bvec.bv_page = page; - bvec.bv_len = PAGE_SIZE; - bvec.bv_offset = 0; + bvec_set_page(&bvec, page, PAGE_SIZE, 0); spin_lock(&zram->wb_limit_lock); if (zram->wb_limit_enable && !zram->bd_wb_limit) { @@ -1380,12 +1378,9 @@ static void zram_free_page(struct zram *zram, size_t index) static int zram_bvec_read_from_bdev(struct zram *zram, struct page *page, u32 index, struct bio *bio, bool partial_io) { - struct bio_vec bvec = { - .bv_page = page, - .bv_len = PAGE_SIZE, - .bv_offset = 0, - }; + struct bio_vec bvec; + bvec_set_page(&bvec, page, PAGE_SIZE, 0); return read_from_bdev(zram, &bvec, zram_get_element(zram, index), bio, partial_io); } @@ -1652,9 +1647,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, memcpy_from_bvec(dst + offset, bvec); kunmap_atomic(dst); - vec.bv_page = page; - vec.bv_len = PAGE_SIZE; - vec.bv_offset = 0; + bvec_set_page(&vec, page, PAGE_SIZE, 0); } ret = __zram_bvec_write(zram, &vec, index, bio);