Re: [Ext2-devel] Re: disk throughput

From: Mike Fedyk (mfedyk@matchmail.com)
Date: Mon Nov 05 2001 - 03:50:35 EST


On Mon, Nov 05, 2001 at 09:47:01AM +0100, Jan Kara wrote:
> If I understood well the code it tries to spread files uniformly over the
> fs (ie. all groups equally full). I think that if you have filesystem like
> /home where are large+small files changing a lot your change can actually
> lead to more fragmentation - groups in the beginning gets full (files
> are created in the same group as it's parent). Then if some file gets deleted
> and new one created filesystem will try to stuff new file in the first
> groups and that causes fragmentation.. But it's just an idea - some testing
> would be probably more useful...
>

Shouldn't it choose another block group if the file won't fit in the current
one?
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