From patchwork Tue Jun 8 16:06:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1489506 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0nS2fsMt; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FzwH64MWRz9sPf for ; Wed, 9 Jun 2021 02:12:02 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FzwH66wDVz3bwx for ; Wed, 9 Jun 2021 02:12:02 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0nS2fsMt; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+20703f0a86d9058a1f86+6498+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0nS2fsMt; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fzw9N5lGHz3bxF for ; Wed, 9 Jun 2021 02:07:04 +1000 (AEST) 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=HbWeEgqptxjWNK7W80q76MsDEy7Zz/e6+B7EWMBgV8Y=; b=0nS2fsMtKYvfSlgh29sC//dKZs 2CPkEeC+4D9KSJM/UG68fYgeWCVzS3LIfSfKE/T4KK7DGJezyJ9cxLExGzI2GU3q+Cs0IpTxfyjf1 zK19+5A8xXKYYb2MI2QsaI+FP/Drq5r9lM3AoflpgPMj8vgVhY336seMuJanKdVyI/Owe1XLKxOr/ aCL4ot5L/dNSl5+TFMhbMAVxV+eFkO++1ck61ihXa0fvMJQpJpavBbsPEBa1HzvClWiWcqtKExlM0 R2i93zJVTZnYPib30u5oUeyUqB9bDPylCZpw6iHHeENdKDo//v+y6Hzm+wXHx/vEiNpkymqmra3vc I6DZNp0A==; Received: from [2001:4bb8:192:ff5f:74ed:7c4f:a5ee:8dcb] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqeFe-009Rk6-0p; Tue, 08 Jun 2021 16:06:50 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 13/16] block: use memcpy_from_bvec in bio_copy_kern_endio_read Date: Tue, 8 Jun 2021 18:06:00 +0200 Message-Id: <20210608160603.1535935-14-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210608160603.1535935-1-hch@lst.de> References: <20210608160603.1535935-1-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 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Bogendoerfer , Mike Snitzer , Geoff Levand , linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, Dongsheng Yang , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, dm-devel@redhat.com, Ilya Dryomov , Ira Weiny , ceph-devel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Use memcpy_from_bvec instead of open coding the logic. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- 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; }