From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 14BDE1C680; Fri, 15 Mar 2024 12:22:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710505355; cv=none; b=lbBQLyERS2jQElU70NPigHcPgrk4kGGkKFYhYtBdfOCfM+pf64c2S6O16rqzv0Vthdir557uOyu+CBeqiTvWkx6/WAsx46RqXowfYBWQ23L+IQ+vn/lMV66cEAP+b2R87gtrYV6zamLuTBJsf1vm1luhzSJORQca5tYFhRrZ/IY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710505355; c=relaxed/simple; bh=HUfDdYdUi6gjRNj8lEKfG2Jv49xYpw5gcot6qzNYAyQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=i8ZbhKM8TskxIF3THU2QVjUkfRWqWMSdQ6nciJ39GUXzLLVwTmdIBWQuwQDaidSpvt/OeI5EPBeEuHCxKpRLNe3n0lF7RM0kvp/FI/UvLF0cVUql49S57nFuzLP1yl1hq6Mh3snfKfCDcQlzOC5kNXY0yJ/qrFfdubeM0kY03sE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz; spf=pass smtp.mailfrom=suse.cz; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.cz Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 62B3121DCE; Fri, 15 Mar 2024 12:22:32 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 5644313460; Fri, 15 Mar 2024 12:22:32 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id ueisFIg99GVxFAAAD6G6ig (envelope-from ); Fri, 15 Mar 2024 12:22:32 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 026C0A07D9; Fri, 15 Mar 2024 13:22:31 +0100 (CET) Date: Fri, 15 Mar 2024 13:22:31 +0100 From: Jan Kara To: Enzo Matsumiya Cc: lsf-pc@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org Subject: Re: [Lsf-pc] [LSF/MM ATTEND] Over-the-wire data compression Message-ID: <20240315122231.ktyx3ebd5mulo5or@quack3> References: Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Score: -4.00 X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Flag: NO X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Spam-Level: Authentication-Results: smtp-out1.suse.de; none X-Rspamd-Queue-Id: 62B3121DCE Hello Enzo, it is good to also CC appropriate public mailing lists so that other attendees can discuss about your proposal. Added some I found relevant. Honza On Thu 14-03-24 15:14:49, Enzo Matsumiya wrote: > Hello, > > Having implemented data compression for SMB2 messages in cifs.ko, I'd > like to attend LSF/MM to discuss: > > - implementation decisions, both in the protocol level and in the > compression algorithms; e.g. performance improvements, what could, > if possible/wanted, turn into a lib/ module, etc > > - compression algorithms in general; talk about algorithms to determine > if/how compressible a blob of data is > * several such algorithms already exist and are used by on-disk > compression tools, but for over-the-wire compression maybe the > fastest one with good (not great nor best) predictability > could work? > > - overlapping modules/areas that have the need/desire to compress > transmitting data and their status quo in the topic; difficulties > where I could help and/or achievements that I could learn from > > > Cheers, > > Enzo > _______________________________________________ > Lsf-pc mailing list > Lsf-pc@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/lsf-pc > -- Jan Kara SUSE Labs, CR