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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 17157C27C4F for ; Wed, 26 Jun 2024 20:07:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMYuC-0003h8-6l; Wed, 26 Jun 2024 16:06:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sMYuA-0003gq-D9 for qemu-devel@nongnu.org; Wed, 26 Jun 2024 16:06:10 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sMYu7-0005gs-Q5 for qemu-devel@nongnu.org; Wed, 26 Jun 2024 16:06:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1719432365; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WRV7G3xdSU2emWbuPmSBBw/rw1yqdwp385XN4StZGE8=; b=AVzWmeQIA7A8fWOuG8uYSVNQiyBCvidiNwaXt8+H7fvIrjnJ+6siIDN/ExYHKkBsVpHXMU 1kmdm+3CukyMDcBOdH7Zjp10Lw4TW5Pf2tsiCcBVz5fKV9C02pjbzBkYODhr5qhJQbo4xH ic5CQvPq1pyEZGnqM3/X0DZe5ogjnls= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-533-UE1v6AuDPyuvKuPC0h4oew-1; Wed, 26 Jun 2024 16:06:01 -0400 X-MC-Unique: UE1v6AuDPyuvKuPC0h4oew-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2657819560B1; Wed, 26 Jun 2024 20:05:57 +0000 (UTC) Received: from localhost (unknown [10.39.194.188]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A6D0F300021A; Wed, 26 Jun 2024 20:05:53 +0000 (UTC) Date: Wed, 26 Jun 2024 16:05:51 -0400 From: Stefan Hajnoczi To: Changqi Lu Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org, kwolf@redhat.com, hreitz@redhat.com, fam@euphon.net, ronniesahlberg@gmail.com, pbonzini@redhat.com, pl@dlhnet.de, kbusch@kernel.org, its@irrelevant.dk, foss@defmacro.it, philmd@linaro.org, pizhenwei@bytedance.com Subject: Re: [PATCH v6 01/10] block: add persistent reservation in/out api Message-ID: <20240626200551.GA2529519@fedora.redhat.com> References: <20240613071327.2498953-1-luchangqi.123@bytedance.com> <20240613071327.2498953-2-luchangqi.123@bytedance.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="X8JbQxexzhy1gTtD" Content-Disposition: inline In-Reply-To: <20240613071327.2498953-2-luchangqi.123@bytedance.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.207, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org --X8JbQxexzhy1gTtD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 13, 2024 at 03:13:18PM +0800, Changqi Lu wrote: > Add persistent reservation in/out operations > at the block level. The following operations > are included: >=20 > - read_keys: retrieves the list of registered keys. > - read_reservation: retrieves the current reservation status. > - register: registers a new reservation key. > - reserve: initiates a reservation for a specific key. > - release: releases a reservation for a specific key. > - clear: clears all existing reservations. > - preempt: preempts a reservation held by another key. >=20 > Signed-off-by: Changqi Lu > Signed-off-by: zhenwei pi > --- > block/block-backend.c | 403 ++++++++++++++++++++++++++++++ > block/io.c | 163 ++++++++++++ > include/block/block-common.h | 40 +++ > include/block/block-io.h | 20 ++ > include/block/block_int-common.h | 84 +++++++ > include/sysemu/block-backend-io.h | 24 ++ > 6 files changed, 734 insertions(+) Reviewed-by: Stefan Hajnoczi --X8JbQxexzhy1gTtD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmZ8dJ8ACgkQnKSrs4Gr c8gtVgf/RlKXC3KJ/UB80gHbhBG1kXBbVPrU8CxPfmBp+ZSHW/hVFF6zUFNsbAVK /QUAvgFIyE/2qsd5A40lkuhmvd5qsL3VYrFodYVwPj0QocPPRr/UBH5ClZtrldyo zEE7gInKSyMOJeFL5ncsP1ivnl2U1uG99ggTso/4Y+Eoc4as+xTr1SQysV3QoKux q/cV18X8ve5Xl9OM1uqc1whpOjs/xVJzm+gjBKo7ARVnodz2izo6hA2uh975RfIb gFoT8ol7qFB5GrkBz2nuZ4fGO3Cnl/TjOOJhzQcld/GZIJDYsZBe0fdmkYKWYKVf Ek/CSArxGc/VLBxRW0Q3KR0cJogFzg== =1Dj2 -----END PGP SIGNATURE----- --X8JbQxexzhy1gTtD--