linux-kernel - Re: Variant symlink filesystem

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Message-ID: <alpine.DEB.2.02.1603111427260.1949@nftneq.ynat.uz>
Date:	Fri, 11 Mar 2016 14:27:59 -0800 (PST)
From:	David Lang <david@...g.hm>
To:	Cole <cole@...eqint.net>
cc:	Richard Weinberger <richard@....at>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Variant symlink filesystem

On Fri, 11 Mar 2016, Cole wrote:

> On 11 March 2016 at 22:24, Richard Weinberger <richard@....at> wrote:
>> Am 11.03.2016 um 21:22 schrieb Cole:
>>> If I remember correctly, when we were testing the fuse version, we hard coded
>>> the path to see if that solved the problem, and the difference between
>>> the env lookup
>>> code and the hard coded path was almost the same, but substantially slower than
>>> the native file system.
>>
>> And where exactly as the performance problem?
>>
>> Anyway, if you submit your filesystem also provide a decent use case for it. :-)
>
> Thank you, I will do so. One example as a use case could be to allow
> for multiple
> package repositories to exist on a single computer, all in different
> locations, but with
> a fixed path so as not to break the package manager, the correct
> repository then is
> selected based on ENV variable. That way each user could have their own packages
> installed that would be separate from the system packages, and no
> collisions would
> occur.

why would this not be a case to use filesystem namespaces and bind mounts?

David Lang