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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 9F133C433FF for ; Sun, 11 Aug 2019 09:00:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66864208C2 for ; Sun, 11 Aug 2019 09:00:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=aol.com header.i=@aol.com header.b="EWEhxG2t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726029AbfHKJA1 (ORCPT ); Sun, 11 Aug 2019 05:00:27 -0400 Received: from sonic304-21.consmr.mail.ir2.yahoo.com ([77.238.179.146]:33638 "EHLO sonic304-21.consmr.mail.ir2.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725855AbfHKJA1 (ORCPT ); Sun, 11 Aug 2019 05:00:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1565514024; bh=N5SHhFaXP33ZX3WyeMFCah1u1u3siPkQQGYR/97pzW8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From:Subject; b=EWEhxG2tbM1E8FtuCNlhmfnazoH2jDzwcK8sLMZdGgChMKyhIR/rv6AHRKU3c8+zUChDMBnsTfqkn+pz6bTjhNf90fFeRI7P8sm0hWMkjlS0SIxt/KoaPXIh4wyimYhwf8YH/0DdUDlkbQc4IKWbNwWZAI4GRNuvS76B3sDZv2ZC7kQt4cy6Fc1AYRhIhQnleTNldJTxPkosEdaBbfgHl6Z6l+ssdZWL27hqr9aeaOabarhsus05b4XVdwUmHCXzI7xuczjMaSLKem0yBlnEl+KLXlqzg3Wnbn59YVvMjWWnnmqv5Vcn4Cx/wNDX2/BxHZfGcN/pwX/5HuuB5x8bUg== X-YMail-OSG: chqe9lUVM1mhODpEzJJQ9YTcmSaDMJQe1it5CrKYqq9UyJbsVf._5m5rCiWyzml GyX3uTHg17MBwo.OIbjF1THufnBUuGj_k9L2Wncb05KYrGRLQBhYy7wLlF8BL94yNzyHtZ1Dih8O PLtaKz7Y8SVACZvFzuMdEW6J8N.S_t_QyeEJrYzZ.1RcXC9m.9p0mEBJH5SjxXNN9C6CIbKXhjSV 7_LQoIafzDrpc.SbR_ilZayJln6vQcz1ngFMWB_E6Y9sb5p56BPZ5fZUk17olIDB.LbwzB2p9n1H t7cVdvN_wVbzvEyMkBbzbH4GdA1i3HOPX_5qnsOiTSYzUDAKb69GKw9BBYMskB3eFA_FlZpk.7td d3NGvfiw3tZA3ePB5myQn1UHwfbhzynZV5Af8hc4fEhBLsLb.cGMTX_0zjqC1.sYi6P_LWsBp.I3 tWcx79MzYRmuP_YyXcrNwZdCDEp_MBUK_PhRYXECDie6QAmkyLaGa6Y_IlesDyltlm8TtPqIIG47 RI2ZVpSAJgoiY31VpQDqm9ksOp85GYCZ5QZkgu5skIyvEOgUNokx.8IivSCp.45ydvJi4XWz.553 jFRV3izU_4pvSPKS1IJ1zIaKdh6eqr30Qb8H7AlLZFN.MyKh11AayvwfK0RJLMGFM0B.cDBQvq3D V7.uLsi1_o9pv3zahD8dRxYI3HBA9TLQQDUR1YNZxITwr6sWFMggByuE35zlQ2F4ESCvEIHcY4QY _VtNzVL_cMXFSdCgA2tOFc8ITuRvzwEbAHFuegl_4yv6wIZj8DSkXuBWbRlEAzCKsXFqE5ikfhRm 3i.R5iIwDRBP1SYN9ZbSg6Cd4WFOA_a7aVTdJtyygHML46tiYmk3v_BqNuTQE7ATWb19OGe01eJU kzG4FP9RCN3oqMHPIQ4pVlbmm035butIwTOCXgcu_qbF5cdTPvHhlqouEIZb3De9BlSlnsm3WQwS ZgeVF.ugeCySmG7V8aoP8Pyc.q7GHT2k71ipnvk4r99ozpKfaYfHq3FvCLlpv6NCnXzOpKd1DUET t1iWF6wsYNbIIbDRzOILmjEGV4Q3R9D4UNgnqiiY_CdqLZiQYgePhPCEN7pWQWjLvzZH.AAv1vQN c6hmZ0RjhfvUm_VhXMDRUzCI6ZGaZtMFDIEom6yVCry4hbatdBNIP.95T.3fLB.8B6.2UK6fa89Y bunM.o63yOqqfRiM17jhI.v5dXT_pH2KVGEpqxPe6GuB1vWz_aFblpMiYah0ZneqQ_vmdl7PnzKF VPFnTtRFL9zYB2ydmxzGwAdBjZw-- Received: from sonic.gate.mail.ne1.yahoo.com by sonic304.consmr.mail.ir2.yahoo.com with HTTP; Sun, 11 Aug 2019 09:00:24 +0000 Received: by smtp413.mail.ir2.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID 63529cb0b651f479fd1427ad5b2f4796; Sun, 11 Aug 2019 09:00:20 +0000 (UTC) Date: Sun, 11 Aug 2019 17:00:01 +0800 From: Gao Xiang To: Christoph Hellwig Cc: Greg Kroah-Hartman , Hans de Goede , Alexander Viro , David Howells , linux-fsdevel@vger.kernel.org Subject: Re: Merging virtualbox shared-folder VFS driver through drivers/staging? Message-ID: <20190811085957.GA30612@hsiangkao-HP-ZHAN-66-Pro-G1> References: <20190811074005.GA4765@kroah.com> <20190811074348.GA13485@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190811074348.GA13485@infradead.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi hch, On Sun, Aug 11, 2019 at 12:43:48AM -0700, Christoph Hellwig wrote: > On Sun, Aug 11, 2019 at 09:40:05AM +0200, Greg Kroah-Hartman wrote: > > > Since I do not see the lack of reviewing capacity problem get solved > > > anytime soon, I was wondering if you are ok with putting the code > > > in drivers/staging/vboxsf for now, until someone can review it and ack it > > > for moving over to sf/vboxsf ? > > > > I have no objection to that if the vfs developers do not mind. > > We had really bad experiences with fs code in staging. I think it is > a bad idea that should not be repeated. I had no intention to join this topic. However, out of curiousty, I'd like to hear your opinion about EROFS. I personally think that's not so bad? EROFS is designed for the specific goal, and it is proven that it has much better performance than other compress filesystems even uncompressed filesystems with proper hardware combinations. And we have an active team (with paid job) and some other companies (primary in Android scope) have contacted with me in private about using this as well. We are doing our best efforts on moving out of staging, and I personally think the code seems not bad... Can you give me some more hints in advance? Thank you very much, Gao Xiang