Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp640498pxb; Tue, 9 Feb 2021 08:54:42 -0800 (PST) X-Google-Smtp-Source: ABdhPJxfDMMCapxC+D0TRScc8VPiTeNedCpBZYmO0MppTl9GIdwdAj8s6RMLvOaxr5AqOBWMH+kv X-Received: by 2002:a17:906:ca04:: with SMTP id jt4mr23608635ejb.548.1612889682364; Tue, 09 Feb 2021 08:54:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612889682; cv=none; d=google.com; s=arc-20160816; b=DAv0k9D1zAMs5BBWNLxpdNPwUNouRwEzgzswINWmHzan+9unjv/Y+pIDYp+spTFJ+6 GrxUCphK7pvH9aSdwBV2VzmZeLMtNGiAax2mmzDB0p51qjBCvkT/KEOWoISf/XBBpSn0 pKHfoU4sbQM4VvNVmNobMsdGwt04FyPDql0hMItOI7ts2INnlzWpUQfoISvNMsyfSqA9 FE4Ltfq1Udndad6kOPkDlthnHaxE/2hUXGtgUGZ2EipmEVyhg5SecwxRIhqm+rNTNtAy YB/00SSKJHqRnvktp36G5WysaUIJcufOQGy+smwaMOxRuXYTbRL5mS19T51QkHcz331P ZZiA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:thread-index:thread-topic :content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date; bh=/PBf5EsgBx9u11vvgklTCeQv6kX2zo7sj0CaFMLzsOA=; b=MQ2xzoe19a6bjOnrCV/CCbMLL0f7xgF4EMznrrsBdx3M+I1LeWZbMKKs2fqxRLZSuU 3480Rl1SMN3vKHujvllpFXqmeacel+0U81SGCr4VOwpLLPFtm4medE0jmB48Y43fIhi/ MqfdHzIowZoXpzyeU4xO61rSCvS470ojSkwJ3Oyt9hUxPQDBsN3J4x7fmDQg3i6KoPh2 6MppFXZdo22w7xYNqusfKYpjLkM6F0p1ubIW+NR/XjpEptblxRxaWpRx0yz1A/nHWoit cijsIoXnxUsf4LLAkSPiYUzn0/ErlnzFFmzWejCkL6zjwmKBibUYAwJ0M0MjP/3ziiib qeNg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f16si13960457ejw.361.2021.02.09.08.54.18; Tue, 09 Feb 2021 08:54:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233183AbhBIQwE convert rfc822-to-8bit (ORCPT + 99 others); Tue, 9 Feb 2021 11:52:04 -0500 Received: from lithops.sigma-star.at ([195.201.40.130]:44164 "EHLO lithops.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233146AbhBIQu6 (ORCPT ); Tue, 9 Feb 2021 11:50:58 -0500 Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 493E46083270; Tue, 9 Feb 2021 17:50:13 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id LgSQItoluF3W; Tue, 9 Feb 2021 17:50:13 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id E8B21608A38F; Tue, 9 Feb 2021 17:50:12 +0100 (CET) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id GB4FDVzrT0QH; Tue, 9 Feb 2021 17:50:12 +0100 (CET) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id B1F2F6083270; Tue, 9 Feb 2021 17:50:12 +0100 (CET) Date: Tue, 9 Feb 2021 17:50:12 +0100 (CET) From: Richard Weinberger To: Luca Risolia Cc: Miklos Szeredi , Vignesh Raghavendra , fuse-devel , Miquel Raynal , linux-kernel , Boris Brezillon , linux-mtd , Ron Minnich , sven Message-ID: <492787386.378826.1612889412476.JavaMail.zimbra@nod.at> In-Reply-To: <705c010b-653a-1dd0-87b9-f3cc83c21802@studio.unibo.it> References: <20210124232007.21639-1-richard@nod.at> <3a9c19cf-2c25-a3bf-a200-6d223952797a@studio.unibo.it> <443281182.378615.1612885278254.JavaMail.zimbra@nod.at> <1517729157.378701.1612886684264.JavaMail.zimbra@nod.at> <231074135.378774.1612888173941.JavaMail.zimbra@nod.at> <705c010b-653a-1dd0-87b9-f3cc83c21802@studio.unibo.it> Subject: Re: [fuse-devel] [PATCH 0/8] MUSE: Userspace backed MTD v3 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF78 (Linux)/8.8.12_GA_3809) Thread-Topic: MUSE: Userspace backed MTD v3 Thread-Index: q37PlZSRNO35cCN77UrdwzImPA2u1g== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ----- Ursprüngliche Mail ----- > On 09/02/21 17:29, Richard Weinberger wrote: >> The mmap() call itself. Of course you need to touch code. >> Maybe just cuse_lowlevel.c, maybe kernel too. > > A patch had been submitted some years ago, more than once, asking for > inclusion in the kernel, but facts are that at that time nobody in the > FUSE group considered it. So much work and time lost, unfortunately. Well, I think having a generic mmap() for CUSE is hard to achieve. Thanks, //richard