From patchwork Thu May 14 17:00:45 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 6407831 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5EDE0C0432 for ; Thu, 14 May 2015 17:07:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8D49C202D1 for ; Thu, 14 May 2015 17:07:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A175620260 for ; Thu, 14 May 2015 17:07:25 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YswYU-0006A5-3S; Thu, 14 May 2015 17:04:18 +0000 Received: from smtp.citrix.com ([66.165.176.89]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YswWN-00052n-Oz for linux-arm-kernel@lists.infradead.org; Thu, 14 May 2015 17:02:09 +0000 X-IronPort-AV: E=Sophos;i="5.13,430,1427760000"; d="scan'208";a="262765059" From: Julien Grall To: Subject: [RFC 05/23] block/xen-blkfront: Remove invalid comment Date: Thu, 14 May 2015 18:00:45 +0100 Message-ID: <1431622863-28575-6-git-send-email-julien.grall@citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1431622863-28575-1-git-send-email-julien.grall@citrix.com> References: <1431622863-28575-1-git-send-email-julien.grall@citrix.com> MIME-Version: 1.0 X-DLP: MIA2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150514_100208_065131_AF4B15D8 X-CRM114-Status: UNSURE ( 8.29 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.0 (-----) Cc: ian.campbell@citrix.com, Konrad Rzeszutek Wilk , stefano.stabellini@eu.citrix.com, Julien Grall , tim@xen.org, linux-kernel@vger.kernel.org, Julien Grall , David Vrabel , Boris Ostrovsky , linux-arm-kernel@lists.infradead.org, =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Julien Grall Since commit b764915 "xen-blkfront: use a different scatterlist for each request", biovec has been replaced by scatterlist when copying back the data during a completion request. Signed-off-by: Julien Grall Cc: Konrad Rzeszutek Wilk Cc: Boris Ostrovsky Cc: David Vrabel Cc: Roger Pau Monné Acked-by: Roger Pau Monné --- drivers/block/xen-blkfront.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 5c72c25..60cf1d6 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1056,12 +1056,6 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, s->req.u.indirect.nr_segments : s->req.u.rw.nr_segments; if (bret->operation == BLKIF_OP_READ && info->feature_persistent) { - /* - * Copy the data received from the backend into the bvec. - * Since bv_offset can be different than 0, and bv_len different - * than PAGE_SIZE, we have to keep track of the current offset, - * to be sure we are copying the data from the right shared page. - */ for_each_sg(s->sg, sg, nseg, i) { BUG_ON(sg->offset + sg->length > PAGE_SIZE); shared_data = kmap_atomic(