linux-ext4 - Re: Failure in quotaon with kernel 2.6.39 (Was: Regression with ext4 in kernel 2.6.39-rc7?)

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Date:	Thu, 26 May 2011 18:53:41 +0300
From:	Amir Goldstein <amir73il@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: Failure in quotaon with kernel 2.6.39 (Was: Regression with ext4
 in kernel 2.6.39-rc7?)

On Thu, May 26, 2011 at 5:58 PM, Jan Kara <jack@...e.cz> wrote:
> On Thu 26-05-11 16:01:00, Amir Goldstein wrote:
>> On Mon, May 16, 2011 at 12:59 PM, Amir Goldstein <amir73il@...il.com> wrote:
>> > On Mon, May 16, 2011 at 12:43 PM, Jan Kara <jack@...e.cz> wrote:
>> >>
>> >>  Exactly, that is it. I cannot trigger the problem anymore with the patch.
>> >> I just wonder how come you've spotted the problem because test 232 does not
>> >> trigger the problem for me -
>> >
>> > It does not surprise me.
>> > As I wrote earlier, my system (Ubuntu 11.4) is behaving strange.
>> > Some tests fail the fsck at the end, because the filesystem fails to umount
>> > immediately after the test (lsof shows nothing and manual umount succeeds).
>> > It's probably the cause for 232 test to fail (even after the crash was fixed)
>> > and the cause for quotaoff to be called without quotaon in test 232 on
>> > my system.
>> >
>> >> it is triggered when you run quotaoff without
>> >> running quotaon and that does not happen with test 232.. Anyway, with the
>> >> attached patch running quotaoff on filesystem without quotas turned on
>> >> works fine whereas previously it oopsed.
>>
>> So my quota tests (219 and 232) still fail (zero output from repquota)
>> and I realized 2 things:
>>
>> 1. they don't fail with kernel 2.6.38 (Ubuntu 11.4 shipped kernel)
>>
>> 2. what seems to fail is quotaon:
>>
>> amir@...ab:~/xfstests$ sudo quotaon /mnt/test/scratch
>> quotaon: using /mnt/test/scratch/aquota.user on /dev/sda8
>> [/mnt/test/scratch]: No such process
>> quotaon: Quota format not supported in kernel.
>  Hum, how about that you forgot to configure kernel with quota support as
> the message suggests? Or that you forgot to enable appropriate quota format
> or forgot to load the module (if compiled as such)?

Yes. didn't build the quota format modules.
I wasn't aware that quota support has loadable modules.
I took the shipped Ubuntu config and ran make localmodconfig to make
my build shorter,
so I lost the quota format modules :-)

>
>> Which also explains why quotaoff was called without quotaon in my
>> original bug report.
>>
>> amir@...ab:~/xfstests$ quotaon -V
>> Quota utilities version 4.00-pre1.
>> Compiled with: USE_LDAP_MAIL_LOOKUP EXT2_DIRECT HOSTS_ACCESS
>> ALT_FORMAT RPC RPC_SETQUOTA BSD_BEHAVIOUR
>> Bugs to jack@...e.cz
>
>                                                                Honza
> --
> Jan Kara <jack@...e.cz>
> SUSE Labs, CR
>
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