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

[Alex Elder]

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 at lst.de>

Reviewed-by: Alex Elder <aelder at sgi.com>

> 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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