Date: Thu, 19 Nov 2015 15:17:33 +0000
From: "Richard W.M. Jones" <rjones@redhat.com>
To: Richard Weinberger <richard@nod.at>
Cc: Colin Walters <walters@verbum.org>, James Morris <jmorris@namei.org>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Seth Forshee <seth.forshee@canonical.com>,
        Austin S Hemmelgarn <ahferroin7@gmail.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        linux-bcache@vger.kernel.org,
        device-mapper development <dm-devel@redhat.com>,
        linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        LSM <linux-security-module@vger.kernel.org>, selinux@tycho.nsa.gov,
        Serge Hallyn <serge.hallyn@canonical.com>,
        Andy Lutomirski <luto@amacapital.net>,
        LKML <linux-kernel@vger.kernel.org>, "Theodore Ts'o" <tytso@mit.edu>
Subject: Re: [PATCH v3 0/7] User namespace mount updates
Message-ID: <20151119151733.GV29330@redhat.com>
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On Thu, Nov 19, 2015 at 03:49:00PM +0100, Richard Weinberger wrote:
> Am 19.11.2015 um 15:37 schrieb Colin Walters:
> > On Thu, Nov 19, 2015, at 02:53 AM, Richard Weinberger wrote:
> > 
> >> Erm, I don't want this in the kernel. That's why I've proposed the lklfuse approach.
> > 
> > I already said this before but just to repeat, since I'm confused:
> > 
> > How would "lklfuse" be different from http://libguestfs.org/
> > which we at Red Hat (and a number of other organizations)
> > use quite widely now for build systems, debugging etc.
> 
> Currently libguestfs has a rather huge overhead because it
> boots a full virtual machine and hence a lot of communication
> is needed.
> With LKL you can use Linux as Library and link it to fuse.
> AFAIK Richard added already a LKL backend to libguestfs. :-)

Right.  For the longer story, see:

https://rwmj.wordpress.com/2015/11/07/linux-kernel-library-backend-for-libguestfs/#content

Rich.

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