From patchwork Wed Aug 4 09:56:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 1513368 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=D2evgxe4; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=casper.20170209 header.b=hZg7Heuo; 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 (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Gfnbx6WHdz9sW5 for ; Wed, 4 Aug 2021 20:12:29 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Ael3EaoYnEgcekQVlTx51PVsnCSDvsfBPPUl1LWoEUQ=; b=D2evgxe43Q9xEZ Ju75zJAzIF3VNaoGo2KpDNd/yo7d78jurBh1HvDwSJBAW5mrxu/DECnJ8vE68a9xerqE+mtaePBci K6g+MJKQAcZwFLJDJw2FjUnove30IEm/WYXTeol7I+M/47uqKa5OVtiAowtaBvDuSArXz7u6/AMhu 5Q7qnu6qPZNDKsA72r3UDaOv9eENWPC89VcM8s1cZvChh07ViXXSTrM1G8edCT5xVU1b+0K9IqSzz lI4w6ylwBqALJFdtpwrb2IZuQavCERMZNB7W8WEh3OtSZhQxVUZjbz7KlmBNOA5ALcZn9ecVXKSkF KXQogyRCiTdMHQxMNCHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDsp-005eY9-6V; Wed, 04 Aug 2021 10:12:19 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDol-005cUk-3P; Wed, 04 Aug 2021 10:08:07 +0000 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=6DgUtwKNyR1a0g7YYdfnNpZ/CC1UQP+ErbVil3kCh1c=; b=hZg7Heuoi1cW7PM8NkA+rSJm9t I2KlL1Sq8tSDfak/FYjW0iTlFpdM5JzQt+VxoIwm3u6Cf0t5JALt5DeWfL4rLzTCjZs067eyLYZLM oAktJ5QR1BLAByF6wFWgdt4Vf1Khj9xH1AL98dEMW+T87DmVpV4fRP4C7bDFj9sy6O3iVhyU//xl6 P6JCchl+81L6Iok4jXIyH34HXYiPyikdLQOYd+laX0rbeAjKMSfl89ueQtR3ycxjZ4FbfjSD8Ew5Y CAibi0DxATQ3bTiNdF5b7p1AIZ6NMjq/rlAWEiXu+FBq1odEVzUr/20Am2cHt5372vzKoxOhgZisY TVzqe11g==; 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 1mBDnx-005g2S-Sm; Wed, 04 Aug 2021 10:07:32 +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 14/15] dcssblk: use bvec_virt Date: Wed, 4 Aug 2021 11:56:33 +0200 Message-Id: <20210804095634.460779-15-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 X-BeenThere: linux-um@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-um" Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/s390/block/dcssblk.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 29180bdf0977..5be3d1c39a78 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -892,8 +892,7 @@ dcssblk_submit_bio(struct bio *bio) index = (bio->bi_iter.bi_sector >> 3); bio_for_each_segment(bvec, bio, iter) { - page_addr = (unsigned long) - page_address(bvec.bv_page) + bvec.bv_offset; + page_addr = (unsigned long)bvec_virt(&bvec); source_addr = dev_info->start + (index<<12) + bytes_done; if (unlikely((page_addr & 4095) != 0) || (bvec.bv_len & 4095) != 0) // More paranoia.