linux-kernel - Re: New filesystem for Linux kernel

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Message-ID: <7306.1235621369@jrobl>
Date:	Thu, 26 Feb 2009 13:09:29 +0900
From:	hooanon05@...oo.co.jp
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	tomas@...x.org, akpm@...ux-foundation.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: New filesystem for Linux kernel 


Miklos Szeredi:
> I'd personally be more motivated to review <2000 line chunks (where
> each step adds new functionality and makes sense in itself), than a
> 20000 line filesystem all in one.

That is reasonable. :-)


> Perhaps it's easier, but copy-up is a very inefficient operation, both
> in disk space and in time.  My personal opinion is that a "delta"

I have to agree again.


> But that's just a thought, I haven't gone too deeply into this.
> 
> > If you say "just a part of write" goes to a new fs, then I don't think
> > we can support several essential features, for instance mmap.
> 
> It should be possible to support mmap.

In a easy way?
I know you already wrote it is just a thought, but if you have an idea
to support mmapping a file which is distributed multiple filesystems,
please let me know.


J. R. Okajima
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