From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38F87CA9EC0 for ; Mon, 28 Oct 2019 12:31:03 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F14C3208C0 for ; Mon, 28 Oct 2019 12:31:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="W/G9vZdy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F14C3208C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53210 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iP4An-0004UK-Rc for qemu-devel@archiver.kernel.org; Mon, 28 Oct 2019 08:31:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49930) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iP3vo-0001OB-0p for qemu-devel@nongnu.org; Mon, 28 Oct 2019 08:15:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iP3vm-0001K2-Ku for qemu-devel@nongnu.org; Mon, 28 Oct 2019 08:15:31 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:27848 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iP3vm-0001Jv-HO for qemu-devel@nongnu.org; Mon, 28 Oct 2019 08:15:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1572264930; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1u7kdgL2BXgYlqlkUPf9AKtLZyipQBK0M1JmEjfhCWE=; b=W/G9vZdy6m+be1ev23y9cxQhXkzRcAJxlNCdT3fxEfuKBQ+27Kf8GHwTsaFDjQ7907Kcp7 llsdTOrIsfSzQyDxnPhznY8GXxVRIxDLVCce+1LNp+IJkQ+BVxJfOsPiCV7O68qu65c4aJ kxLw72SIW3Hzuf//yr6ZysLPSvTBpIc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-239-ZvY9vhjMM7qS95j5-pW0qw-1; Mon, 28 Oct 2019 08:15:25 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 974A6107AD28; Mon, 28 Oct 2019 12:15:24 +0000 (UTC) Received: from localhost (ovpn-117-83.ams2.redhat.com [10.36.117.83]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3F04A600C7; Mon, 28 Oct 2019 12:15:24 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Subject: [PULL 10/69] block/block-backend: add blk_co_pwritev_part Date: Mon, 28 Oct 2019 13:14:02 +0100 Message-Id: <20191028121501.15279-11-mreitz@redhat.com> In-Reply-To: <20191028121501.15279-1-mreitz@redhat.com> References: <20191028121501.15279-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: ZvY9vhjMM7qS95j5-pW0qw-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Vladimir Sementsov-Ogievskiy Add blk write function with qiov_offset parameter. It's needed for the following commit. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-id: 20191011090711.19940-4-vsementsov@virtuozzo.com Signed-off-by: Max Reitz --- include/sysemu/block-backend.h | 4 ++++ block/block-backend.c | 17 +++++++++++++---- 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.= h index 368d53af77..73f2cef7fe 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -121,6 +121,10 @@ void blk_set_dev_ops(BlockBackend *blk, const BlockDev= Ops *ops, void *opaque); int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); +int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, + unsigned int bytes, + QEMUIOVector *qiov, size_t qiov_offse= t, + BdrvRequestFlags flags); int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, unsigned int bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); diff --git a/block/block-backend.c b/block/block-backend.c index eb22ff306e..912c50678d 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1178,9 +1178,10 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, in= t64_t offset, return ret; } =20 -int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, - unsigned int bytes, QEMUIOVector *qiov, - BdrvRequestFlags flags) +int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, + unsigned int bytes, + QEMUIOVector *qiov, size_t qiov_offse= t, + BdrvRequestFlags flags) { int ret; BlockDriverState *bs; @@ -1207,11 +1208,19 @@ int coroutine_fn blk_co_pwritev(BlockBackend *blk, = int64_t offset, flags |=3D BDRV_REQ_FUA; } =20 - ret =3D bdrv_co_pwritev(blk->root, offset, bytes, qiov, flags); + ret =3D bdrv_co_pwritev_part(blk->root, offset, bytes, qiov, qiov_offs= et, + flags); bdrv_dec_in_flight(bs); return ret; } =20 +int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, + unsigned int bytes, QEMUIOVector *qiov, + BdrvRequestFlags flags) +{ + return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags); +} + typedef struct BlkRwCo { BlockBackend *blk; int64_t offset; --=20 2.21.0