linux-ext4 - Re: [RFC] ext4-locality-groups patch

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Message-ID: <m3wt4vzxje.fsf@bzzz.home.net>
Date:	Wed, 13 Dec 2006 17:21:41 +0300
From:	Alex Tomas <alex@...sterfs.com>
To:	Valerie Clement <valerie.clement@...l.net>
Cc:	Alex Tomas <alex@...sterfs.com>, linux-ext4@...r.kernel.org
Subject: Re: [RFC] ext4-locality-groups patch

>>>>> 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> I think it misses a call to ext4_commit_super() at the end of the
 VC> ext4_lg_sync_inodes function.
 VC> Am I right ?

what for? allocation was delayed, no blocks were allocated.

thanks, Alex
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