linux-ext4 - Re: Reporting project quota usage?

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Message-ID: <20160318094015.GB7152@quack.suse.cz>
Date:	Fri, 18 Mar 2016 10:40:15 +0100
From:	Jan Kara <jack@...e.cz>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Andreas Dilger <adilger@...ger.ca>, Li Xi <pkuelelixi@...il.com>,
	Jan Kara <jack@...e.cz>, Dave Chinner <david@...morbit.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: Reporting project quota usage?

On Wed 16-03-16 20:48:47, Ted Tso wrote:
> On Wed, Mar 16, 2016 at 03:49:31PM -0600, Andreas Dilger wrote:
> > 
> > At one time I thought Dave was going to patch xfs_quota to try the quota
> > ioctls for "foreign" filesystems like ext4 that supported them, but I'm
> > not sure if that patch was landed, nor whether it has been released.
> > 
> > On the opposite front, Jan was updating the generic quota tools to support
> > the XFS ioctls that project quota is using?
> 
> It's quite possible I'm missing something, but it doesn't look like
> either has landed.  I've hacked xfs_quota (not anything that I would
> want to submit for merging) so I can report usage project quota stats,
> and to be able to set hard and soft limits.  But I was trying to
> figure out what we should be telling users who wanted to use Project
> Quota, but I'm pretty sure "pull down xfsprogs sources, and apply this
> hacky patch[1], and then when you use the tooll ignore a whole bunch
> of spurious warnings" is the right way to go.  :-)
> 
> I am also curious how Li Xi was testing the patches he sent me.

As Li Xi mentioned, he has a patch for quota-tools which implements the
project quota support but it needs some cleanup (you can check my reply to
email "[PATCH] Add project quota support" - it didn't go to any list but
you were CCed). Li Xi, do you have any idea when you can get to it?

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR
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