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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 D3A59C3F2D1 for ; Mon, 2 Mar 2020 10:08:01 +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 A8B482086A for ; Mon, 2 Mar 2020 10:08:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8B482086A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57892 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8hzU-0000cD-Sp for qemu-devel@archiver.kernel.org; Mon, 02 Mar 2020 05:08:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:50770) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j8hxV-0004Vo-6b for qemu-devel@nongnu.org; Mon, 02 Mar 2020 05:05:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j8hxU-0007lQ-5H for qemu-devel@nongnu.org; Mon, 02 Mar 2020 05:05:57 -0500 Received: from relay.sw.ru ([185.231.240.75]:48172) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j8hxR-0007jK-SN; Mon, 02 Mar 2020 05:05:54 -0500 Received: from vovaso.qa.sw.ru ([10.94.3.0] helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1j8hxH-000350-J9; Mon, 02 Mar 2020 13:05:43 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [PATCH 0/5] nbd: reduce max_block restrictions Date: Mon, 2 Mar 2020 13:05:32 +0300 Message-Id: <20200302100537.29058-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 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: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, qemu-devel@nongnu.org, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Recent changes in NBD protocol allowed to use some commands without max_block restriction. Let's drop restrictions. NBD change is here: https://github.com/NetworkBlockDevice/nbd/commit/9f30fedb8699f151e7ef4ccc07e624330be3316b#diff-762fb7c670348da69cc9050ef58fe3ae Vladimir Sementsov-Ogievskiy (5): block/nbd-client: drop max_block restriction from block_status block/nbd-client: drop max_block restriction from discard block: add max_pwrite_zeroes_no_fallback to BlockLimits block/io: fix bdrv_co_do_pwrite_zeroes head calculation block/io: auto-no-fallback for write-zeroes include/block/block_int.h | 8 ++++++++ block/blkdebug.c | 7 ++++++- block/io.c | 32 +++++++++++++++++++++++++++++--- block/nbd.c | 5 +---- 4 files changed, 44 insertions(+), 8 deletions(-) -- 2.21.0