From patchwork Wed Apr 18 03:04:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fam Zheng X-Patchwork-Id: 899851 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40QnDq0QFpz9s19 for ; Wed, 18 Apr 2018 13:10:35 +1000 (AEST) Received: from localhost ([::1]:52800 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8dUP-0005vd-4D for incoming@patchwork.ozlabs.org; Tue, 17 Apr 2018 23:10:33 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45070) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f8dP3-0002J0-N1 for qemu-devel@nongnu.org; Tue, 17 Apr 2018 23:05:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f8dP2-0002QU-SK for qemu-devel@nongnu.org; Tue, 17 Apr 2018 23:05:01 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:37570 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f8dOy-0002Ox-5N; Tue, 17 Apr 2018 23:04:56 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id B9DF88163AD4; Wed, 18 Apr 2018 03:04:55 +0000 (UTC) Received: from lemon.usersys.redhat.com (ovpn-12-78.pek2.redhat.com [10.72.12.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id AC5622023227; Wed, 18 Apr 2018 03:04:49 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Wed, 18 Apr 2018 11:04:19 +0800 Message-Id: <20180418030424.28980-3-famz@redhat.com> In-Reply-To: <20180418030424.28980-1-famz@redhat.com> References: <20180418030424.28980-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 18 Apr 2018 03:04:55 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Wed, 18 Apr 2018 03:04:55 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'famz@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [RFC PATCH v2 2/7] raw: Implement copy offloading X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Stefan Hajnoczi , qemu-block@nongnu.org, Peter Lieven , Max Reitz , Ronnie Sahlberg , Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Just pass down to ->file. Signed-off-by: Fam Zheng Reviewed-by: Stefan Hajnoczi --- block/raw-format.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index a378547c99..febddf00c0 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -482,6 +482,24 @@ static int raw_probe_geometry(BlockDriverState *bs, HDGeometry *geo) return bdrv_probe_geometry(bs->file->bs, geo); } +static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs, + BdrvChild *src, uint64_t src_offset, + BdrvChild *dst, uint64_t dst_offset, + uint64_t bytes, BdrvRequestFlags flags) +{ + return bdrv_co_copy_range_from(bs->file, src_offset, dst, dst_offset, + bytes, flags); +} + +static int coroutine_fn raw_co_copy_range_to(BlockDriverState *bs, + BdrvChild *src, uint64_t src_offset, + BdrvChild *dst, uint64_t dst_offset, + uint64_t bytes, BdrvRequestFlags flags) +{ + return bdrv_co_copy_range_to(src, src_offset, bs->file, dst_offset, bytes, + flags); +} + BlockDriver bdrv_raw = { .format_name = "raw", .instance_size = sizeof(BDRVRawState), @@ -498,6 +516,8 @@ BlockDriver bdrv_raw = { .bdrv_co_pwrite_zeroes = &raw_co_pwrite_zeroes, .bdrv_co_pdiscard = &raw_co_pdiscard, .bdrv_co_block_status = &raw_co_block_status, + .bdrv_co_copy_range_from = &raw_co_copy_range_from, + .bdrv_co_copy_range_to = &raw_co_copy_range_to, .bdrv_truncate = &raw_truncate, .bdrv_getlength = &raw_getlength, .has_variable_length = true,