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Date: Fri, 13 Feb 2004 19:30:18 -0800
From: Andrew Morton <akpm@osdl.org>
To: Timothy Miller <miller@techsource.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Maximizing and maintaining fragmentation
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Timothy Miller <miller@techsource.com> wrote:
>
> IMPORTANT QUESTION:  When writing to an mmap'ed file, will ext3 
>  rearrange blocks on disk in order to reduce fragmentation, or will it 
>  leave the blocks exactly where they are, just overwriting the data?

The blocks will not change.