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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5436CCD18E for ; Mon, 13 Oct 2025 15:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sN+F2A4RFAtgsDM7TNFE/XjJjsrWUVoxajNpA+40HW0=; b=VkAPe5jHnCzHtF18+lPKbIiP9J 0LXI4u/rK8bu2yKxh+lBOnf1Fo6N4inx7vtEq029gRXUZ5zY0SmAfnk3whdq04VgN1E63TUuvhyfJ qS7k6t97a/Hw8089pWBbJfIUkGUHqZNTcT+pveWNsyy/n7JijpKEZBwOV30kDeKNbQw5FgopQBPRH L9BnMfNel75xOtgjitQAZ0IQ4y8urY67xIT8Fe2NIzfmdbiFQHQ12q18CW6mlrtCH3N6LST4jNJil DTrwg/fX+a++g/DF4FozVFuV7EI/UAmjM8zKXd2vLJlJ4o+a2xZEO1wvWYZ8kHupBMKgsXd0tQFRE RGkH8LbA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v8KZ9-0000000DhWE-1Q4A; Mon, 13 Oct 2025 15:34:27 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v8KZ7-0000000DhUv-0G8c for linux-nvme@lists.infradead.org; Mon, 13 Oct 2025 15:34:26 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id C32BC4013F; Mon, 13 Oct 2025 15:34:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10EFEC4CEE7; Mon, 13 Oct 2025 15:34:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760369664; bh=hzuVFe8nCL+iIBGDL2sXtfGJ2m3xwMmUvUxsg09OtX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ibwLtD0LulBqDzZDpXozjmI/P7HtfW8A0lH49aPinhSgG3HSCoEEoZXb2hbxV2WLc FH1cVDnlg+phv3I8c7Ghc+cHQ9PmdD8gkheuTWpQA1IH21QA+gEIC4fcm+fd8MgN8t 0GL9zSmux/bfE2MuX0+pDpD2Kx3kE07VwzSzAaSRTf2PcirYz/IJA4hsKcq4kvEPIs otRWBmUPabNrJCqWSlCnpty6Y25PN1bxifAG1pIRWu3vwI9Dk7P+Y6oV4GLGjo2K8b EdfvMk73E4gdf6ZKbWTinKiZD57GDIyc0LsMDrgyeqzzVTYJcTYKlhdB+Etd8RnOUB 7RmbzimrVtqAw== From: Leon Romanovsky To: Christoph Hellwig , Jens Axboe Cc: Leon Romanovsky , Jason Gunthorpe , Keith Busch , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Sagi Grimberg Subject: [PATCH 1/4] blk-mq-dma: migrate to dma_map_phys instead of map_page Date: Mon, 13 Oct 2025 18:34:09 +0300 Message-ID: X-Mailer: git-send-email 2.51.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251013_083425_118577_1E65EA6A X-CRM114-Status: GOOD ( 11.25 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Leon Romanovsky After introduction of dma_map_phys(), there is no need to convert from physical address to struct page in order to map page. So let's use it directly. Reviewed-by: Keith Busch Signed-off-by: Leon Romanovsky --- block/blk-mq-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c index 449950029872..4ba7b0323da4 100644 --- a/block/blk-mq-dma.c +++ b/block/blk-mq-dma.c @@ -93,8 +93,8 @@ static bool blk_dma_map_bus(struct blk_dma_iter *iter, struct phys_vec *vec) static bool blk_dma_map_direct(struct request *req, struct device *dma_dev, struct blk_dma_iter *iter, struct phys_vec *vec) { - iter->addr = dma_map_page(dma_dev, phys_to_page(vec->paddr), - offset_in_page(vec->paddr), vec->len, rq_dma_dir(req)); + iter->addr = dma_map_phys(dma_dev, vec->paddr, vec->len, + rq_dma_dir(req), 0); if (dma_mapping_error(dma_dev, iter->addr)) { iter->status = BLK_STS_RESOURCE; return false; -- 2.51.0