From patchwork Wed Aug 4 09:56:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492013 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, 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 9174CC43214 for ; Wed, 4 Aug 2021 10:07:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7909060F0F for ; Wed, 4 Aug 2021 10:07:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237448AbhHDKHq (ORCPT ); Wed, 4 Aug 2021 06:07:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237281AbhHDKHg (ORCPT ); Wed, 4 Aug 2021 06:07:36 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8219C061798; Wed, 4 Aug 2021 03:07:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=NZknjnxuRdtVbQDQYhSn8YTBpZ/TDM68s7+7a3SjKg0=; b=btczJd5QJxPrmePLIu+d3R+FxZ iP+SfhLRaRrUCwlvcXh6uqOXKqHWDqH+IS9T4Qr1c3Y3S5zGwPZuvTui5y1euzpNDTmFWZuRemdqz PNgBVV0qeCdgNBkm473GGvmEIjMhT/3eTMMMJd3gyghRK90WdcWMWwiSOzomnsUnqLz235mJAIKXg xQBi5388xGH/XQ1fLh82k3mCJ3JLqUErRqrn41ICzF8+Z001NhPZh567KvBZo+EHrbeVp7XYo2jAz 2Io/T7Mo6KNEag5y4PJfRwGSCnXSdGAYE6mzQ9DuGxwarjmBMxhWvYeh15e+JnfvyM32rPYPjokZ2 EBliTZcQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDly-005fn4-Il; Wed, 04 Aug 2021 10:05:46 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 11/15] ubd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:30 +0200 Message-Id: <20210804095634.460779-12-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- arch/um/drivers/ubd_kern.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index e497185dd393..cd9dc0556e91 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1268,8 +1268,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req, rq_for_each_segment(bvec, req, iter) { BUG_ON(i >= io_req->desc_cnt); - io_req->io_desc[i].buffer = - page_address(bvec.bv_page) + bvec.bv_offset; + io_req->io_desc[i].buffer = bvec_virt(&bvec); io_req->io_desc[i].length = bvec.bv_len; i++; }