From nobody Thu Oct 30 15:20:12 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1526040844065976.1001148340159; Fri, 11 May 2018 05:14:04 -0700 (PDT) Received: from localhost ([::1]:39889 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fH6vz-0008AC-1C for importer@patchew.org; Fri, 11 May 2018 08:14:03 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46754) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fH6rK-0002ji-Bs for qemu-devel@nongnu.org; Fri, 11 May 2018 08:09:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fH6rH-0003GV-5U for qemu-devel@nongnu.org; Fri, 11 May 2018 08:09:14 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:34556 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 1fH6r7-0003B4-9P; Fri, 11 May 2018 08:09:01 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 01DDB40252E9; Fri, 11 May 2018 12:09:01 +0000 (UTC) Received: from lemon.usersys.redhat.com (ovpn-12-175.pek2.redhat.com [10.72.12.175]) by smtp.corp.redhat.com (Postfix) with ESMTP id 17D4B6B5B6; Fri, 11 May 2018 12:08:51 +0000 (UTC) From: Fam Zheng To: qemu-devel@nongnu.org Date: Fri, 11 May 2018 20:08:16 +0800 Message-Id: <20180511120823.7892-4-famz@redhat.com> In-Reply-To: <20180511120823.7892-1-famz@redhat.com> References: <20180511120823.7892-1-famz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 11 May 2018 12:09:01 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 11 May 2018 12:09:01 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.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] [PATCH v4 03/10] 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Just pass down to ->file. Signed-off-by: Fam Zheng Reviewed-by: Stefan Hajnoczi --- block/raw-format.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index 803083f1a1..71ca9c627d 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -495,6 +495,36 @@ static int raw_probe_geometry(BlockDriverState *bs, HD= Geometry *geo) return bdrv_probe_geometry(bs->file->bs, geo); } =20 +static int coroutine_fn raw_co_copy_range_from(BlockDriverState *bs, + BdrvChild *src, uint64_t sr= c_offset, + BdrvChild *dst, uint64_t ds= t_offset, + uint64_t bytes, BdrvRequest= Flags flags) +{ + int ret; + + ret =3D raw_adjust_offset(bs, &src_offset, bytes); + if (ret) { + return ret; + } + 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, BdrvRequestFl= ags flags) +{ + int ret; + + ret =3D raw_adjust_offset(bs, &dst_offset, bytes); + if (ret) { + return ret; + } + return bdrv_co_copy_range_to(src, src_offset, bs->file, dst_offset, by= tes, + flags); +} + BlockDriver bdrv_raw =3D { .format_name =3D "raw", .instance_size =3D sizeof(BDRVRawState), @@ -511,6 +541,8 @@ BlockDriver bdrv_raw =3D { .bdrv_co_pwrite_zeroes =3D &raw_co_pwrite_zeroes, .bdrv_co_pdiscard =3D &raw_co_pdiscard, .bdrv_co_block_status =3D &raw_co_block_status, + .bdrv_co_copy_range_from =3D &raw_co_copy_range_from, + .bdrv_co_copy_range_to =3D &raw_co_copy_range_to, .bdrv_truncate =3D &raw_truncate, .bdrv_getlength =3D &raw_getlength, .has_variable_length =3D true, --=20 2.14.3