Re: [PATCH] fs: Add romfs version 2

[Pavel Machek]

Hi!

> >> >   block aligned regular file data to bring 
> >performance
> >> >   parity with ext2/3. This is about 225% of the read
> >> >   speed of the existing romfs.
> >
> >Doesn't that make these filesystems much bigger? By, on 
> >average, .5k
> >per file? Or, if I'm understanding things correctly, 
> >~1k?
> 
> Yes, my experience has been that it has been almost 
> chillingly close
> to .5k per regular file increase in partition size. I 
> know in
> applications in which size is utterly critical this may 
> be slightly
> unattractive, but in cases where romfs is chosen for its 
> byte
> reproducibility and read-only nature the 
> size/performance tradeoff is
> fairly advantageous.

If the fs is read-only.. can we do some tail packing and get _both_
speed and space efficiency?
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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