From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 24F59606A320 for ; Tue, 27 Oct 2026 20:51:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=IkRbz6Ii Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1xLo7o-0008Eq-8Y; Tue, 27 Oct 2026 16:50:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xLo7l-0008E8-QA; Tue, 27 Oct 2026 16:50:25 -0400 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1xLo7j-0002ZB-Ni; Tue, 27 Oct 2026 16:50:25 -0400 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 417E7400E6; Tue, 27 Oct 2026 20:50:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD2511F01825; Tue, 27 Oct 2026 20:50:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793134220; bh=4hTAwrGfWhum6sswELTzqWg2CWccCtuqBeE0O/3E2RQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=IkRbz6IiO6/WOF0VkDVR+kK9b6kYFDG3i8cZDqziVlPiHjLQ9W6TWIbbsYBtJzkKf usodxl9IqRnVw9xLZ7Z2Lju2qNOyPuiWrSTSv7B1wFP7wmkrhApOmTG4OjgCwo1pI3 bO3rgMLVaa/0LONbdCuBhYEgCS0UMApPLez1nkMnsB9FAML0+LIwZBfdhQ0CzFLyHx VkRqcTiRhlHTpj7JBJz2kjQUCpX7zoZz+RD5TC6LVh8GYU27ZqkbYQm72y3+s4NrT5 pdnvc1cbtUiwCQ8KyvBPUJzHMOXpGlnsu1m2YurdHSd5hyeBXleqG55rz27Jz86Fvp yUtwnRHI+U1MA== Date: Tue, 27 Oct 2026 21:50:15 +0100 From: Niklas Cassel To: Stefan Hajnoczi Cc: Kevin Wolf , Hanna Reitz , Fam Zheng , John Snow , "Denis V. Lunev" , "Michael S. Tsirkin" , Sam Li , Damien Le Moal , qemu-block@nongnu.org, qemu-devel@nongnu.org Subject: Re: [PATCH v6 00/15] block: fix the zone write granularity and the zone append limit Message-ID: References: <20260921142819.2916043-1-cassel@kernel.org> <20261027204114.GI933537@shajnocz.csb> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261027204114.GI933537@shajnocz.csb> Received-SPF: pass client-ip=2600:3c0a:e001:78e:0:1991:8:25; envelope-from=cassel@kernel.org; helo=sea.source.kernel.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org X-Spam-Status: No, score=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_PASS, SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Tue, Oct 27, 2026 at 04:41:14PM -0400, Stefan Hajnoczi wrote: > On Mon, Sep 21, 2026 at 04:28:02PM +0200, Niklas Cassel wrote: > > Hello Stefan, Kevin, and everyone else, > > > > This series fixes how QEMU reports and enforces the two constraints that a > > zoned device places on a write to a sequential zone: the write granularity, > > and the largest zone append that it accepts. It also fixes two bugs in the > > zone append emulation in file-posix, one of which a guest can reach. > > > > Most of it is preparation for Sam Li's zoned qcow2 series. The first two > > patches are taken directly from there, as they are unrelated to qcow2. > > > > Changes since v5: > > -Picked up Stefan's Reviewed-by tags that he gave when reviewing v4. > > Patches that have changed significantly since v4 have had tags dropped > > (i.e. they will have neither Damien's nor Stefan's Reviewed-by tags). > > > > Niklas Cassel (13): > > block: add a helper for the index of the zone an offset falls in > > block: add a helper to check if a zone is conventional > > hw/block: derive the zone write granularity from the block sizes > > virtio-blk: check the write granularity of writes to sequential zones > > hw/block: reject a zoned device that the block sizes cannot address > > block: reject zone appends that are not a multiple of the sector size > > block: reject a zone append that is larger than a zone > > file-posix: remove the zone append write granularity check > > virtio-blk: add a max-append-sectors property > > block: remove BlockLimits.max_append_sectors > > file-posix: reject a zone append past the device capacity > > file-posix: reject a zone append to a full or conventional zone > > block: do not use CoroutineIOCompletion to hold a return value > > > > Sam Li (2): > > block: widen BlockLimits.zone_size to uint64_t > > virtio-blk: do not merge requests across a zone boundary > > > > block/block-backend.c | 11 +++ > > block/file-posix.c | 59 +++++++----- > > block/io.c | 79 ++++++++++++---- > > hw/block/block.c | 68 ++++++++++++++ > > hw/block/virtio-blk.c | 146 ++++++++++++++++++++++++++---- > > include/block/block-io.h | 14 +++ > > include/block/block_int-common.h | 19 +++- > > include/hw/block/block.h | 14 +++ > > include/hw/virtio/virtio-blk.h | 1 + > > include/system/block-backend-io.h | 1 + > > 10 files changed, 349 insertions(+), 63 deletions(-) > > > > > > base-commit: 3b5d71cc3652fa7f5ecc449f05dae3ead2b718d7 > > -- > > 2.55.0 > > > > Thanks, applied to my block tree: > https://gitlab.com/stefanha/qemu/commits/block Thank you Stefan! Kind regards, Niklas