linux-ext4 - Re: Bug in delayed allocation: really bad block layouts!

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Date:	Sun, 10 Aug 2008 15:04:00 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Theodore Tso <tytso@....edu>
CC:	linux-ext4@...r.kernel.org
Subject: Re: Bug in delayed allocation: really bad block layouts!

Eric Sandeen wrote:

> It may be; I tried this and then a quick filefrag run:
> 
> # filefrag  usr/include/*.h | grep -v extents | awk -F : '{print $2}' |
> sort | uniq -c
>     146  1 extent found
> 
> so everything came out contiguous.
> 
> This was with 2.6.27-0.186.rc0.git15.fc10.x86_64

Or better:

# find . -name \*.h | xargs filefrag | grep -v extents | awk -F :
'{print $2}' | sort | uniq -c
   2460  1 extent found

so *really* everything.

-Eric
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