linux-kernel - Re: [fuse-devel] [PATCH 0/8] MUSE: Userspace backed MTD v3

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Message-ID: <231074135.378774.1612888173941.JavaMail.zimbra@nod.at>
Date:   Tue, 9 Feb 2021 17:29:33 +0100 (CET)
From:   Richard Weinberger <richard@....at>
To:     Luca Risolia <luca.risolia@...dio.unibo.it>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Vignesh Raghavendra <vigneshr@...com>,
        fuse-devel <fuse-devel@...ts.sourceforge.net>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        Ron Minnich <rminnich@...gle.com>, sven <sven@...fation.org>
Subject: Re: [fuse-devel] [PATCH 0/8] MUSE: Userspace backed MTD v3

----- Ursprüngliche Mail -----
>> A simple (but ugly!) approach would be redirecting mmap() requests on CUSE
>> devices to /dev/mem.
>> hmm?
> 
> what requests are you talking about given that at the moment the CUSE
> client interface (cuse_lowlevel_ops) does not expose mmap?

The mmap() call itself. Of course you need to touch code.
Maybe just cuse_lowlevel.c, maybe kernel too.

Thanks,
//richard