From patchwork Tue Jun 15 13:24:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12321585 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,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 40D43C48BE8 for ; Tue, 15 Jun 2021 13:32:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31EB561474 for ; Tue, 15 Jun 2021 13:32:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231489AbhFONeO (ORCPT ); Tue, 15 Jun 2021 09:34:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231286AbhFONeK (ORCPT ); Tue, 15 Jun 2021 09:34:10 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BBC6C061574; Tue, 15 Jun 2021 06:32:05 -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=HbWeEgqptxjWNK7W80q76MsDEy7Zz/e6+B7EWMBgV8Y=; b=jmkA5X9lidmbgX1TkMC9E1s/OX sXzfe8ue9sIAK6INJ5Dl3lX+QBBPPmI0jOn0zqdTG64+Ug3uCS4mu1fPzA3sPAnSVjt4phprDdR2I O5LVEQsfzFmz4kGtFNya2TL+RdF7n66kL7+2hQ7tjO4oqUau9XDLmWGNIL7nCrnq7BlWfvWVzJE1K y5I7lmBSbz/qiHqyOqYSRsxwiAOfwqde4+13GRFm5HJzV5zvZzLr+5GD91nlh1PhrEp8V5rECvLkz OUytNuiBoBQPwp3osxl16+pd+uBoR4YlAHZ3Iyrw3Y3kKHspKXkzXqERVWiK5rR6oycgRXPNi79At PystZgVA==; Received: from [2001:4bb8:19b:fdce:9045:1e63:20f0:ca9] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lt99h-006oSj-5Y; Tue, 15 Jun 2021 13:31:04 +0000 From: Christoph Hellwig To: Jens Axboe , Thomas Gleixner Cc: Thomas Bogendoerfer , Geoff Levand , Ilya Dryomov , Dongsheng Yang , Mike Snitzer , "James E.J. Bottomley" , Ira Weiny , dm-devel@redhat.com, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, linux-arch@vger.kernel.org Subject: [PATCH 15/18] block: use memcpy_from_bvec in bio_copy_kern_endio_read Date: Tue, 15 Jun 2021 15:24:53 +0200 Message-Id: <20210615132456.753241-16-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210615132456.753241-1-hch@lst.de> References: <20210615132456.753241-1-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: ceph-devel@vger.kernel.org Use memcpy_from_bvec instead of open coding the logic. Signed-off-by: Christoph Hellwig --- block/blk-map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-map.c b/block/blk-map.c index 3743158ddaeb..d1448aaad980 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -400,7 +400,7 @@ static void bio_copy_kern_endio_read(struct bio *bio) struct bvec_iter_all iter_all; bio_for_each_segment_all(bvec, bio, iter_all) { - memcpy(p, page_address(bvec->bv_page), bvec->bv_len); + memcpy_from_bvec(p, bvec); p += bvec->bv_len; }