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 lists1p.gnu.org (lists1p.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 D8762C61DD6 for ; Wed, 2 Sep 2026 21:28:21 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1x1sUu-0002gG-GS; Wed, 02 Sep 2026 17:27:56 -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 1x1sUt-0002g8-EU for qemu-devel@nongnu.org; Wed, 02 Sep 2026 17:27:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1x1sUs-0004nI-5C for qemu-devel@nongnu.org; Wed, 02 Sep 2026 17:27:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1788384469; 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=ucFu8xLRGeLFb1Yf23ECT0wk5W86Peg4a1g3tTgHcQ8=; b=Hf9qe6O9KbV/ZSkXR8OfbRQGcd5XrPRwyulHNpA3uWx0MMPBmnHUjmKVPFDFLLzuRS1nYJ F/mdySDMPLjyyi2nex/nB7kCIGPGbGZUw99ubzKN0xcyknfCz80roQVqr+eBX64Zv1Pf6O tg1O50aGjB4PQFdeTAxN8aODjBFZfrI= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-472-HrWX0QJNNLGhNEM3evhhZQ-1; Wed, 02 Sep 2026 17:27:45 -0400 X-MC-Unique: HrWX0QJNNLGhNEM3evhhZQ-1 X-Mimecast-MFC-AGG-ID: HrWX0QJNNLGhNEM3evhhZQ_1788384464 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 70C09180267F; Wed, 2 Sep 2026 21:27:44 +0000 (UTC) Received: from localhost (headnet04.pony-001.prod.iad2.dc.redhat.com [10.2.32.116]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 92963195608A; Wed, 2 Sep 2026 21:27:43 +0000 (UTC) Date: Wed, 2 Sep 2026 15:20:44 -0400 From: Stefan Hajnoczi To: Zhang Chen Cc: qemu-devel , Eric Blake , Markus Armbruster , "'Michael S . Tsirkin'" , Paolo Bonzini , 'Daniel P =?iso-8859-1?Q?=2E_Berrang=E9'?= , Jason Wang Subject: Re: [PATCH V14 05/15] block/export: track IOThread references Message-ID: <20260902192044.GA787498@fedora> References: <20260831160038.221776-1-zhangckid@gmail.com> <20260831160038.221776-6-zhangckid@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="A7D2NkAKdKn/+BCj" Content-Disposition: inline In-Reply-To: <20260831160038.221776-6-zhangckid@gmail.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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-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 --A7D2NkAKdKn/+BCj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Sep 01, 2026 at 12:00:26AM +0800, Zhang Chen wrote: > Track the IOThreads used by a block export and identify the holder > with the unique BlockExportOptions id. >=20 > Acquire holder-aware references during export creation and release > them on error or export deletion. Support both single- and > multi-iothread exports. >=20 > Signed-off-by: Zhang Chen > --- > block/export/export.c | 62 ++++++++++++++++++++++++++++++++++++------ > include/block/export.h | 5 ++++ > 2 files changed, 58 insertions(+), 9 deletions(-) Reviewed-by: Stefan Hajnoczi --A7D2NkAKdKn/+BCj Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmqYdwwACgkQnKSrs4Gr c8iT0gf/VMo5McxcRSpzcyA8sydhOLnmohCKJIh/SwYeLZMEaQJ16P+4gHQ5w2lt +eBNbfhkgarpN8kfZxclM6+HcdS4ooNLbd7StwMDCZxWHRyfOUFfLISqiRYbzedW dnaI6tNDeY/oCrWt0+nB6YpvSLVq+GDBWE3qFFKf24aQGuubXbsFH3qymhby5YiK DoIO2BXirLWUEXPFV9TjGB9gd/e2LZ38XwP5FJs5Co8iUWJuAYhjBF/I3NhhuQIf Nw/hEp7Q6CFmPY5mBMIQ72r4ThW2q7QNQ7SbdFKDmVE4/TLVGtoQhDNjC0zr6eCQ VQVB8G2swCva6OV9IP2QUHGy/t9htA== =P5iv -----END PGP SIGNATURE----- --A7D2NkAKdKn/+BCj--