From nobody Tue Feb 10 09:40:57 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com ARC-Seal: i=1; a=rsa-sha256; t=1589363794; cv=none; d=zohomail.com; s=zohoarc; b=C890/43tskeXokchTwj7dycdEbCjHusM1csy2FF8MJPQBn/PO/gaSykVA09lGcxpO45IiMdlEda6RgFNlvV/KoTLAW4uM7IUV4FubFSe1qU7bTZdL+PBR6sTV07onFYzyT1OlNIDOgJGUF0d/LLqQ43DB78A1SCYlC1H0p6zBCs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589363794; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=fTpPedRuCFg6qv6M8SYR3huGnurtPASgFMADOKsqFsU=; b=Edr5anMtSqI+7wpNRefjnoLkrO+PM5uqTrFTqa06i87l7SWkEJPHX4JV2HeGpia2dtft5mxJ69dgehR/L5T0lsjL5nZcFERQCYKdOVZ8bGqd6YC+zmis/GaM7iGosrpExcki7iDKmdnReGBNq6APbY8XBbPkRb8ZgZWMR3b9Ito= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1589363794745811.8729660526814; Wed, 13 May 2020 02:56:34 -0700 (PDT) Received: from localhost ([::1]:33104 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jYo7t-0008Kv-Ft for importer@patchew.org; Wed, 13 May 2020 05:56:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44726) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYo31-0006lu-BH; Wed, 13 May 2020 05:51:31 -0400 Received: from relay.sw.ru ([185.231.240.75]:53978) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYo2z-0003Z4-5B; Wed, 13 May 2020 05:51:30 -0400 Received: from dhcp-172-16-25-136.sw.ru ([172.16.25.136] helo=localhost.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1jYo2U-0001e4-MG; Wed, 13 May 2020 12:50:58 +0300 From: Andrey Shinkevich To: qemu-block@nongnu.org Subject: [PATCH v5 02/15] copy-on-read: Support compressed writes Date: Wed, 13 May 2020 12:50:43 +0300 Message-Id: <1589363456-1035571-3-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1589363456-1035571-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1589363456-1035571-1-git-send-email-andrey.shinkevich@virtuozzo.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.231.240.75; envelope-from=andrey.shinkevich@virtuozzo.com; helo=relay.sw.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/13 05:51:06 X-ACL-Warn: Detected OS = Linux 3.1-3.10 X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: kwolf@redhat.com, fam@euphon.net, vsementsov@virtuozzo.com, armbru@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org, mreitz@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Max Reitz 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 242d3ff..c4fa468 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -106,6 +106,16 @@ static int coroutine_fn cor_co_pdiscard(BlockDriverSta= te *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); @@ -130,6 +140,7 @@ 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 1.8.3.1