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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 EE5B4C47082 for ; Mon, 7 Jun 2021 15:32:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE6FE611AE for ; Mon, 7 Jun 2021 15:32:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231220AbhFGPeW (ORCPT ); Mon, 7 Jun 2021 11:34:22 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:57143 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230197AbhFGPeV (ORCPT ); Mon, 7 Jun 2021 11:34:21 -0400 Received: from [192.168.1.155] ([77.9.164.246]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1N6bwO-1lHm3r1YlS-017zUV; Mon, 07 Jun 2021 17:32:25 +0200 Subject: Re: [PATCH RFC] fuse: add generic file store To: Alessio Balsini , Peng Tao Cc: linux-fsdevel , Miklos Szeredi , Amir Goldstein References: <1622537906-54361-1-git-send-email-tao.peng@linux.alibaba.com> From: "Enrico Weigelt, metux IT consult" Message-ID: <244309bf-4f2e-342e-dd98-755862c643b8@metux.net> Date: Mon, 7 Jun 2021 17:32:24 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: tl Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:4sqfGogWk5tyBvrBxV1FlsUhXcevCNbuO4bvDWsCumqIqL6eVcE 2sGaHF98a9tJfEpddDDXJBo//o2ws0wcg6mQ9I7JNCen0DP1mmR6ImbczDIjtNEYa4zppD6 3DzRQKp8MRDkwYpEeJuIHGBNEp+EBdx2IsYVdMhJQwWSZIZKah0F5MlsQp8ul8x/bfkZlBo gPjo5htaaO7PNXWGSrKQw== X-UI-Out-Filterresults: notjunk:1;V03:K0:UmgsOh1XNkc=:WHkYLZDrroMI6ouJtaY2WF +/GnLsBdIB9WrvT0FtNvUfnx0XzzDtiZFgzFZicgdRSQZXg7umW1LcQyL8mbtxd6KJcCxXKVC JS7wfk3vwbLPoa9aBgyakLegc9bQq/ISfjx/1CCdfqbmzETges5LiJXUMcL1ncQ7NWeZ7pvYU tbaT9g9YLP2tv1EBK9Iw+NOoLQ0cMORuOdsPJfJzy68lA5NO3GDpLLAqicLPa0nPqdfYwooxA h5XLEmSmcL6ewT2VTR/33FPqQK40a+PINvWpNyqg0S0tGuKfBzmE7jlJCtedBHQLXFjBuMqPA fSMoTsyiAK8ujOqCFHYn7w13Iz4CswPtJ3uZVfRsdhtnTCteZx81wHanTSThzURXlcTnQyoQA 4sXp/l+WNnFsBsYIRTIuAHtc5l4XIhYRNpbKkSfRHnOAH5GNicZE49La/nTcCoLltN7zAg4j2 nXkqhKjgtYJvF5czG7SYQ4R2xL3Pti/Ue0T7gaX6fKTwBQQV70wza6a6Ut+GxSk9+e3lrdAqR IgLDLAw97DLtuzXeHLQ3kc= Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 02.06.21 17:50, Alessio Balsini wrote: >> A possible use case is fuse fd passthrough being developed >> by Alessio Balsini [1] where underlying file system fd can be saved in >> this file store. oh, this could be quite what I'm currently intending do implement (just considered 9p instead of fuse as it looks simpler to me): I'd like the server being able to directly send an already opened fd to the client (in response to it calling open()), quite like we can send fd's via unix sockets. The primary use case of that is sending already prepared fd's (eg. an active network connection, locked-down file fd, a device that the client can't open himself, etc). Is that what you're working on ? --mtx -- --- Hinweis: unverschlüsselte E-Mails können leicht abgehört und manipuliert werden ! Für eine vertrauliche Kommunikation senden Sie bitte ihren GPG/PGP-Schlüssel zu. --- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287