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RE: [help] project quota information incorrect over nfs ...

To: "Christoph Hellwig" <hch@xxxxxxxxxxxxx>, "Guk-Bong, Kwon" <gbkwon@xxxxxxxxx>
Subject: RE: [help] project quota information incorrect over nfs ...
From: "Alex Elder" <aelder@xxxxxxx>
Date: Thu, 21 Jan 2010 15:55:26 -0600
Cc: <xfs@xxxxxxxxxxx>
In-reply-to: <20100121111720.GA20641@xxxxxxxxxxxxx>
Thread-index: AcqajcbfhqcG3kDHQ3e3n/dnXJX5swAVWwDw
Thread-topic: [help] project quota information incorrect over nfs ...
Christoph Hellwig wrote:
> On Thu, Jan 21, 2010 at 01:12:06PM +0900, Guk-Bong, Kwon wrote:
>> nfs client "nfs_server:/test/111" Size is correct..(100M)
>> 
>> but nfs client "nfs_server:/test/111" Avail is incorrect.. (500M)
>> 
>> "Avail" is big than "Size" ...
>> 
>> this stat is normal??
> 
> No, it's not.  The patch below should fix it, but I'm not sure how
> easily backportable it is to 2.6.27:

I'm going to take this as a [PATCH] and say it looks good to me.
It will probably not be difficult for someone to port it back
to 2.6.27.

> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Alex Elder <aelder@xxxxxxx>

> Index: linux-2.6/fs/xfs/quota/xfs_qm_bhv.c
> ===================================================================
> --- linux-2.6.orig/fs/xfs/quota/xfs_qm_bhv.c  2010-01-21 12:13:51.397003969 
> +0100
> +++ linux-2.6/fs/xfs/quota/xfs_qm_bhv.c       2010-01-21 12:14:14.290009571 
> +0100
> @@ -59,7 +59,7 @@ xfs_fill_statvfs_from_dquot(
>               be64_to_cpu(dp->d_blk_hardlimit);
>       if (limit && statp->f_blocks > limit) {
>               statp->f_blocks = limit;
> -             statp->f_bfree =
> +             statp->f_bfree = statp->f_bavail =
>                       (statp->f_blocks > be64_to_cpu(dp->d_bcount)) ?
>                        (statp->f_blocks - be64_to_cpu(dp->d_bcount)) : 0;
>       }
> 
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