linux-ext4 - Re: [PATCH v2] debugfs/set_fields: fix several errors and add assertions

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Message-ID: <CALYGNiMjO5GwmBvfqpRmf0USx=LnOH+GrY3ZDno2cq=QAfiD3A@mail.gmail.com>
Date:	Mon, 22 Jun 2015 00:29:52 +0300
From:	Konstantin Khlebnikov <koct9i@...il.com>
To:	Andreas Dilger <adilger@...ger.ca>
Cc:	"Theodore Ts'o" <tytso@....edu>,
	Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"Darrick J. Wong" <darrick.wong@...cle.com>, Li Xi <lixi@....com>
Subject: Re: [PATCH v2] debugfs/set_fields: fix several errors and add assertions

On Mon, Jun 22, 2015 at 12:15 AM, Andreas Dilger <adilger@...ger.ca> wrote:
>
>> On Jun 20, 2015, at 6:30 AM, Konstantin Khlebnikov <koct9i@...il.com> wrote:
>>
>> On Sat, Jun 20, 2015 at 5:01 AM, Theodore Ts'o <tytso@....edu> wrote:
>>> On Wed, Feb 25, 2015 at 12:47:28PM +0300, Konstantin Khlebnikov wrote:
>>>> Fix copy-n-paste errors:
>>>> * remove duplicate "lastcheck" and "min_extra_isize"
>>>> * fix pointer for "first_error_line" and "last_error_line"
>>>> * remove superblock field "inodes_count" from inode fields
>>>> * add null-termination for mmp_fields
>>>>
>>>> Add assertions for catching such errors in the future.
>>>> Mark true aliases with flag "FLAG_ALIAS" and suppress assert for them.
>>>>
>>>> v2: check tables in unit test "debugfs/tst_set_fields"
>>>>
>>>> Signed-off-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
>>>
>>> Applied, thanks.   Apologies for the delay.
>>
>> No problem. Thanks.
>>
>> I have a somehow related question: do you interested in project quota in ext4?
>>
>> It seems I could revisit that task once again.
>> This time I could make it completely compatible with XFS. Looks like
>> last time all objections were about my attempt of making overall
>> behaviour more useful.
>
> There are a recent set of ext4 project quota patches from Li Xi posted
> to the list that are already compatible with XFS.  All that is needed
> to get them landed is some testing with xfstests to ensure they really
> work with the XFS utilities.
>
> Rather than having two competing sets of project quota patches for ext4
> it would be better to get this first set of patches landed, and then if
> you want to enhance their functionality it can be done on top of those
> patches.
>
> Cheers, Andreas
>

Ok, I'll look into recent version of his patches.

The last time I looked (v9 or so)  they breaked a lot of tests in e2fsprogs
because existing tests are not ready for changing fs layout: any new filed in
inode or superblock breaks them all.

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