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Re: Boot poster challenge



On Sun, Nov 21, 2004 at 10:01:54PM +0100, Kyrre Ness Sjobak wrote:
> søn, 21.11.2004 kl. 21.31 skrev Arjan van de Ven:
> > > > yeah we saw that; sorting the list on disk sector shaved 2 seconds off...
> > > > if we want to save more we'll have to fix the on disk layout to be less
> > > > spread out. That's not going to be fun...
> > > 
> > > Is there any way to have a "pre-cooked" swap image of all the files you need  
> > > so that when you boot you can swap it all in in one big contiguous read  
> > > instead of having to read file by file?
> > 
> > not currently; file contents also never hits swap, it would require like
> > a full vm subsystem rewrite to achieve this. It's probably a lot easier
> > to either write some defrag tool that can move stuff, or to make a
> > hidden automatic buffer in the fs
> > 
> Hmm... I thougth there was no "defrag.ext3" in Linux because it wasn't
> neccesary. Was i wrong?

the files themselves don't get fragmented in this case.. it's just that we want to play
with moving certain files to certain locations....


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