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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 B710FC432C0 for ; Tue, 19 Nov 2019 16:46:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C0DC208CC for ; Tue, 19 Nov 2019 16:46:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Pkp37pRI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727849AbfKSQqI (ORCPT ); Tue, 19 Nov 2019 11:46:08 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:54061 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727560AbfKSQqI (ORCPT ); Tue, 19 Nov 2019 11:46:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574181967; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=goFlWtu6657uFH0FTG7Kqe2ghLRVHCFg1wiXEeK4vRA=; b=Pkp37pRIv8TBeyem1CEW4wN6pjFHiblWSfrPPQ21jw5lbAHxkQdTlXwMTqQtL02wjnaJTk u0OG16WUpC+bTHHtvublkqQCBJNeVFdiSF6NbZH8Kvsqys9Zy6Zf7fJ5VtG4lX/EaZWRCq nISWrz63BJeBQ2VHNxieeKi6gfC8Kuc= 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-245-zvdIGgUkMg-PRDObvulrRQ-1; Tue, 19 Nov 2019 11:46:03 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 91D38107ACC4; Tue, 19 Nov 2019 16:46:02 +0000 (UTC) Received: from [10.10.121.199] (ovpn-121-199.rdu2.redhat.com [10.10.121.199]) by smtp.corp.redhat.com (Postfix) with ESMTP id CB8D71B42F; Tue, 19 Nov 2019 16:46:01 +0000 (UTC) Subject: Re: [PATCH 0/2] nbd: local daemon restart support To: nbd@other.debian.org, axboe@kernel.dk, josef@toxicpanda.com, linux-block@vger.kernel.org References: <20191116055017.6253-1-mchristi@redhat.com> From: Mike Christie Message-ID: <5DD41C49.3080209@redhat.com> Date: Tue, 19 Nov 2019 10:46:01 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <20191116055017.6253-1-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-MC-Unique: zvdIGgUkMg-PRDObvulrRQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 11/15/2019 11:50 PM, Mike Christie wrote: > The following patches made over Linus's tree allow setups that are > using AF_UNIX sockets with a local daemon to recover from crashes > or to upgrade the daemon while IO is running without having to > disrupt the application (no need to reopen the device or handle IO > errors). They basically just use the existing failover > infrastructure, but to failover to a new socket from a non-dead > socket. Josef and Jens, I am dropping this patchset. Do not bother reviewing it. I will post something else later.