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Re: Rambling noise #2: Learning to use the v8 pquota/uquota patchset

To: "Michael L. Semon" <mlsemon35@xxxxxxxxx>
Subject: Re: Rambling noise #2: Learning to use the v8 pquota/uquota patchset
From: Chandra Seetharaman <sekharan@xxxxxxxxxx>
Date: Wed, 15 May 2013 17:12:48 -0500
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <519404A0.3030401@xxxxxxxxx>
Organization: IBM
References: <5191FB46.2080300@xxxxxxxxx> <1368650489.10223.5.camel@xxxxxxxxxxxxxxxxxx> <519404A0.3030401@xxxxxxxxx>
Reply-to: sekharan@xxxxxxxxxx
On Wed, 2013-05-15 at 17:56 -0400, Michael L. Semon wrote:
Hi Michael,

Irrespective of the user space changes, this patchset should work
properly with the current tools and existing filesystems providing
current behavior.

Let me know of the anomalies as the ones below.


> On 05/15/2013 04:41 PM, Chandra Seetharaman wrote:
> > On Tue, 2013-05-14 at 04:52 -0400, Michael L. Semon wrote:
> >> Hi!  I seem to have no luck in getting v8 of the pquota/uquota patchset
> >> working and have it pass xfstests with flying colors.  Is v8 of the
> >> pquota/gquota patchset sufficient to make the new separate pquota/gquota
> >> bits work?  Or is it an incremental patchset?
> >
> > Hi Michael,
> >
> > I will post the user level changes that accompanies these changes.
> >
> > With those changes you can do a new mkfs and use pquota and gquota
> > together.
> >
> > Regards,
> >
> > Chandra
> Excellent!
> As for the rest of your issues, I'll have to retest very slowly using 
> your new userspace patches, documenting every step in order.  It will 
> also require before/after runs of xfstests.
> I do not know what your patches do for filesystems that already had 
> quota on them, so I ask you to check one thing.  It looked like the 
> result of the normal `quota` command was having issues.  On my root 
> filesystem that was mounted uquota only, the following is the normal 
> behavior (as an ordinary user):
> mls:~$ quota
> Disk quotas for user mls (uid 3001):
>       Filesystem  blocks   quota   limit   grace   files   quota   limit 
>    grace
>        /dev/sda1  165955  262144  327680            2345    8194   16384
> However, before I switched out kernels here, such a command just left a 
> blank, as if there was no quota there.  If you would at that to your 
> list of spot-check tests, that would be great.  It might work fine for 
> you.  [For the same situation, `xfs_quota -c quota /` worked just fine.]
> You're leading a blind man in the dark, so I thank you for your patience.
> Michael

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