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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A16AC433F5 for ; Mon, 2 May 2022 16:17:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239521AbiEBQUk (ORCPT ); Mon, 2 May 2022 12:20:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1386223AbiEBQUi (ORCPT ); Mon, 2 May 2022 12:20:38 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 558EDDFF8 for ; Mon, 2 May 2022 09:17:09 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 10A051F38D; Mon, 2 May 2022 16:17:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1651508228; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cP4Qz0W91FrPGrCzRyvm/zakMJGQvmqBxram4FxnEjU=; b=lDwxJihVLl/Bg65JyhDdIkOjyWJcob0/0sa94mEBA5Mzxnm2GkHnd130AeSRi60Xfd3p/I B45EpbwOHSHMvvUoqli0DqXAdkIitGIsZY1G0oo9Bt7xkFI/bZmIRTcA+gmdlBmWzcMXI4 y2okroOSZtmPKdfMyfDJUPFcmMsMuRk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1651508228; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cP4Qz0W91FrPGrCzRyvm/zakMJGQvmqBxram4FxnEjU=; b=SK/unQU8nRRXiD9lo4vF3mayP0rJF1gUqgAJ4KG6XlVv39Wxua3NNpsNyKXHYLOcre63aY LNCTI2FsWuxL0+DQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 14E6B13491; Mon, 2 May 2022 16:17:05 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id LOO4NAEEcGKaZAAAMHmgww (envelope-from ); Mon, 02 May 2022 16:17:05 +0000 Message-ID: <44814263-1546-a450-e799-5039aa991ca6@suse.de> Date: Mon, 2 May 2022 09:17:04 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [LSF TOPIC] block namespaces Content-Language: en-US To: Omar Sandoval Cc: Omar Sandoval , Christian Brauner , "linux-block@vger.kernel.org" , "lsf-pc@lists.linux-foundation.org" References: <7dca874a-b8ef-59bf-a368-595d0ed2838f@suse.de> From: Hannes Reinecke In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 5/2/22 09:09, Omar Sandoval wrote: > On Mon, May 02, 2022 at 01:14:48AM +0200, Hannes Reinecke wrote: >> Hi Omar, >> >> here's a late topic for the I/O Track: Block namespaces >> >> We already proposed it for the (canceled) LSF last year, and now I found >> that Christian Brauner is actually present here at LSF. >> >> What this is about: Similarly to network namespaces we'd like to explore the >> possibility of block namespaces. >> Canonical use-case here is iscsi sessions within containers: if one >> container starts up an iscsi session, why should this session be visible to >> the other containers? >> The discussion should be about general design and possible use-cases. > > Hey, Hannes, > > How much does this overlap with Chris Leech's "network storage > transports managed within a container" topic? Hmm. Good question; I don't really know. But yeah, I guess there is some. So we could lump both of them together I think. Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer