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=-6.8 required=3.0 tests=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 6B45FC41514 for ; Fri, 9 Aug 2019 16:15:15 +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 204C22171F for ; Fri, 9 Aug 2019 16:15:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 204C22171F 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]:60790 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hw7Xu-0002Lo-7E for qemu-devel@archiver.kernel.org; Fri, 09 Aug 2019 12:15:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56677) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hw7X3-0000JY-1e for qemu-devel@nongnu.org; Fri, 09 Aug 2019 12:14:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hw7X0-0003s7-Pe for qemu-devel@nongnu.org; Fri, 09 Aug 2019 12:14:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60956) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hw7Wx-0003pS-P2; Fri, 09 Aug 2019 12:14:15 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1971C307D921; Fri, 9 Aug 2019 16:14:14 +0000 (UTC) Received: from localhost (unknown [10.40.205.179]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AB1FC608C2; Fri, 9 Aug 2019 16:14:13 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Fri, 9 Aug 2019 18:13:27 +0200 Message-Id: <20190809161407.11920-3-mreitz@redhat.com> In-Reply-To: <20190809161407.11920-1-mreitz@redhat.com> References: <20190809161407.11920-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Fri, 09 Aug 2019 16:14:14 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v6 02/42] copy-on-read: Support compressed writes 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 , Vladimir Sementsov-Ogievskiy , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Max Reitz Reviewed-by: Vladimir Sementsov-Ogievskiy --- block/copy-on-read.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index 6631f30205..16bdf630b6 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -113,6 +113,16 @@ static int coroutine_fn cor_co_pdiscard(BlockDriverS= tate *bs, } =20 =20 +static int coroutine_fn cor_co_pwritev_compressed(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov) +{ + return bdrv_co_pwritev(bs->file, offset, bytes, qiov, + BDRV_REQ_WRITE_COMPRESSED); +} + + static void cor_eject(BlockDriverState *bs, bool eject_flag) { bdrv_eject(bs->file->bs, eject_flag); @@ -145,6 +155,7 @@ static BlockDriver bdrv_copy_on_read =3D { .bdrv_co_pwritev =3D cor_co_pwritev, .bdrv_co_pwrite_zeroes =3D cor_co_pwrite_zeroes, .bdrv_co_pdiscard =3D cor_co_pdiscard, + .bdrv_co_pwritev_compressed =3D cor_co_pwritev_compressed, =20 .bdrv_eject =3D cor_eject, .bdrv_lock_medium =3D cor_lock_medium, --=20 2.21.0