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Date:	Wed, 13 Dec 2006 08:40:14 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Alex Tomas <alex@...sterfs.com>
CC:	Valerie Clement <valerie.clement@...l.net>,
	linux-ext4@...r.kernel.org
Subject: Re: [RFC] ext4-locality-groups patch

Alex Tomas wrote:
>>>>>> Valerie Clement (VC) writes:
> 
>  VC> Hi Alex,
>  VC> I did the following test:
>  VC> # mkfs /dev/sdc1
>  VC> # mount -t ext4dev -o extents,mballoc,delalloc /dev/sdc1 /test
>  VC> # dumpe2fs -h /dev/sdc1
>  VC> # cp linux.tar /test
>  VC> # tar xf /test/linux.tar
>  VC> # dumpe2fs -h /dev/sdc1
> 
>  VC> The "Free blocks" and "Free inodes" counters in the dumpe2fs output
>  VC> did not change after running the cp and tar commands.
> 
> sync should help, I think.

This is probably a discrepancy that comes from reading the block device 
directly, right?  Which is not necessarily in sync with the address 
space for the filesystem.

-Eric
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