From: Alex Tomas <alex@clusterfs.com>
To: Valerie Clement <valerie.clement@bull.net>
Cc: Alex Tomas <alex@clusterfs.com>, linux-ext4@vger.kernel.org
Subject: Re: [RFC] ext4-locality-groups patch
Date: Wed, 13 Dec 2006 17:54:06 +0300 [thread overview]
Message-ID: <m3odq7zw1d.fsf@bzzz.home.net> (raw)
In-Reply-To: <45801018.1090001@bull.net> (Valerie Clement's message of "Wed\, 13 Dec 2006 15\:37\:12 +0100")
>>>>> Valerie Clement (VC) writes:
VC> 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.
VC> No, I've just tried, it does not change anything.
ah, it's simple. you're looking at superblock counters.
we don't update them every time. this was changed years
ago. try the same with regular ext3
thanks, Alex
next prev parent reply other threads:[~2006-12-13 14:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 23:56 [RFC] ext4-locality-groups patch Alex Tomas
2006-12-12 16:48 ` Valerie Clement
2006-12-12 16:58 ` Alex Tomas
2006-12-13 14:08 ` Valerie Clement
2006-12-13 14:21 ` Alex Tomas
2006-12-13 14:37 ` Valerie Clement
2006-12-13 14:51 ` Alex Tomas
2006-12-13 14:54 ` Alex Tomas [this message]
2006-12-13 15:02 ` Valerie Clement
2006-12-13 21:32 ` Andreas Dilger
2006-12-13 14:40 ` Eric Sandeen
2006-12-13 21:33 ` Andreas Dilger
2006-12-13 22:26 ` Eric Sandeen
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