linux-ext4 - Re: file allocation problem

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Message-ID: <4A63A1F1.9040703@cox.net>
Date:	Sun, 19 Jul 2009 17:45:05 -0500
From:	Ron Johnson <ron.l.johnson@....net>
To:	linux-ext4@...r.kernel.org
Subject: Re: file allocation problem

On 2009-07-17 16:14, Andreas Dilger wrote:
[snip]
> 
> Well, this isn't quite correct.  The mballoc code only tries to allocate
> "large" files on power-of-two boundaries, where large is 64kB by default,
> but is tunable in /proc.  For smaller files it tries to pack them together
> into the same block, or into gaps that are exactly the size of the file.

How does ext4 act on growing files?  I.e., creating a tarball that, 
obviously, starts at 0 bytes and then grows to multi-GB?

-- 
Scooty Puff, Sr
The Doom-Bringer
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