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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 75ED0C433EF for ; Tue, 7 Sep 2021 20:38:29 +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 0C8D261103 for ; Tue, 7 Sep 2021 20:38:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0C8D261103 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; 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bh=r0mIVp1Yli1I4yEYozPSJjOGyElRH6OMi+Y+2UCDPwE=; b=IWKWomjEPLfQDpva1kchHEanf/2uNn/7PQShnluQ5KUw1sq7wGBpcGriIZ3WUTojzPbhfR wEezRrCfw9HPIfLFJTQ6Q8wFlq31MfnJPClo64mzItfMzFFd+nxoQZHXGExb3a3ku/UhOR LmXfEiV7llwAMTXcGEIFNuUM16xx8Uc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-445-CyqpfilUOheWLboE8L93GQ-1; Tue, 07 Sep 2021 16:36:59 -0400 X-MC-Unique: CyqpfilUOheWLboE8L93GQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CDAD6800FF3; Tue, 7 Sep 2021 20:36:57 +0000 (UTC) Received: from redhat.com (ovpn-112-95.phx2.redhat.com [10.3.112.95]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EEDD66A902; Tue, 7 Sep 2021 20:36:56 +0000 (UTC) Date: Tue, 7 Sep 2021 15:36:55 -0500 From: Eric Blake To: Vladimir Sementsov-Ogievskiy Subject: Re: [PATCH v3 3/9] nbd: allow reconnect on open, with corresponding new options Message-ID: <20210907203655.smjfnr4bj72esd4v@redhat.com> References: <20210906190654.183421-1-vsementsov@virtuozzo.com> <20210906190654.183421-4-vsementsov@virtuozzo.com> MIME-Version: 1.0 In-Reply-To: <20210906190654.183421-4-vsementsov@virtuozzo.com> User-Agent: NeoMutt/20210205-739-420e15 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.391, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-block@nongnu.org, qemu-devel@nongnu.org, armbru@redhat.com, hreitz@redhat.com, den@openvz.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, Sep 06, 2021 at 10:06:48PM +0300, Vladimir Sementsov-Ogievskiy wrote: > It is useful when start of vm and start of nbd server are not > simple to sync. > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > qapi/block-core.json | 9 ++++++++- > block/nbd.c | 45 +++++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 52 insertions(+), 2 deletions(-) > Reviewed-by: Eric Blake This is when qemu is acting as NBD client (and does not affect qemu acting as NBD server). -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org