From nobody Tue Feb 10 08:03:30 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=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1603390695; cv=none; d=zohomail.com; s=zohoarc; b=GlNRVEjSEy9hl8xo6IbtcrZLQLtho5INaPqZsuUm0wFNSuCRH7ks5R214ryJCtzchBxQVqBnY7avBWNEIeYn9/SMgOm9pJpqdeHvOLpUCvet4Smcs8EEBBxCvUMlCwzv1ci99ydlRSJMz8ByvxMGgZk1VSJewpSv9pLF2XL2mfM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1603390695; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:Reply-To:References:Sender:Subject:To; bh=uIDTjBru2GthxfA2/txzJ7AwvLsyqbj+cbGtbOX86No=; b=MrsNPe21QsKtTlRHJgjE4e3o/SV0J3olWL2jhcg15C9PSg5Fb5Uaop1Sp1h40Hcn+6g+LbP44Q1fSeP3QbnJSOew896uSQLwQz4ZVErl0oiVut9R41gDTCaZjzfvpNgxcmnf9uOwLD+QqbXmWDmIYS4pr3p5nx3weEj8/X7/bDk= 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=pass 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 1603390695829380.4505440330611; Thu, 22 Oct 2020 11:18:15 -0700 (PDT) Received: from localhost ([::1]:51392 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kVfAD-0002oN-Vt for importer@patchew.org; Thu, 22 Oct 2020 14:18:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48576) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVf6A-0000XB-E6; Thu, 22 Oct 2020 14:14:02 -0400 Received: from relay.sw.ru ([185.231.240.75]:52090 helo=relay3.sw.ru) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kVf5x-0001ni-Lz; Thu, 22 Oct 2020 14:14:02 -0400 Received: from [172.16.25.136] (helo=localhost.sw.ru) by relay3.sw.ru with esmtp (Exim 4.94) (envelope-from ) id 1kVf5r-005dVw-T7; Thu, 22 Oct 2020 21:13:43 +0300 To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, fam@euphon.net, stefanha@redhat.com, kwolf@redhat.com, mreitz@redhat.com, armbru@redhat.com, jsnow@redhat.com, eblake@redhat.com, den@openvz.org, vsementsov@virtuozzo.com, andrey.shinkevich@virtuozzo.com Subject: [PATCH v12 11/14] copy-on-read: add support for read flags to COR-filter Date: Thu, 22 Oct 2020 21:13:40 +0300 Message-Id: <1603390423-980205-12-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1603390423-980205-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1603390423-980205-1-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=relay3.sw.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/22 14:13:46 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] 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_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Andrey Shinkevich From: Andrey Shinkevich via Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add the BDRV_REQ_COPY_ON_READ and BDRV_REQ_PREFETCH flags to the supported_read_flags of the COR-filter. Signed-off-by: Andrey Shinkevich --- block/copy-on-read.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index 8178a91..a2b180a 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -50,6 +50,8 @@ static int cor_open(BlockDriverState *bs, QDict *options,= int flags, return -EINVAL; } =20 + bs->supported_read_flags =3D BDRV_REQ_COPY_ON_READ | BDRV_REQ_PREFETCH; + bs->supported_write_flags =3D BDRV_REQ_WRITE_UNCHANGED | (BDRV_REQ_FUA & bs->file->bs->supported_write_flags); =20 --=20 1.8.3.1