Re: reiser4 plugins

David Masover
2005-06-22T08:01:40Z

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Christoph Hellwig wrote:
> On Tue, Jun 21, 2005 at 11:25:24PM -0500, David Masover wrote:
>
>>>You're basically implementing another VFS layer inside of reiser4, which
>>>is a big layering violation.
>>
>>There's been sloppy code in the kernel before. I remember one bit in
>>particular which was commented "Fuck me gently with a chainsaw." If I
>>remember correctly, this had all of the PCI ids and the names and
>>manufacturers of the corresponding devices -- in a data structure -- in
>>C source code. It was something like one massive array definition, or
>>maybe it was a structure. I don't remember exactly, but...
>
>
> Every device driver has a big array of corresponing device ids as an
> array in C code - oh my god we're doomed .. not.

I could throw the same sarcasm back at you. We must be doomed because
Reiser does some stuff that VFS already does! Or am I misunderstanding
the complaint?

>>I agree there, too. In fact, some people have suggested that all
>>"legacy" (read: non-reiser) filesystems should be implemented as Reiser4
>>plugins, effectively killing VFS.*
>>
>>So, Reiser4 may eventually take over VFS and be the only Linux
>>filesystem, but if so, it will have to do it much more slowly. Take the
>>good ideas -- things like plugins -- and make them at least look like
>>incremental updates to the current VFS, and make them available to all
>>filesystems.
>
>
> And why exactly would we replace a stable, working abstraction with an
unpoven
> mess?

How does it get proven if you won't give it a chance as a *separate*
unproven mess, with a big fat EXPERIMENTAL flag, for users to play with?

I know, it exists as a separate patch. But it works now, and I think
the best way to "prove" it would be to package it with the kernel.

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