[PATCH 4/8] xfs: use common code for quota statistics

[Christoph Hellwig]

On Tue, Feb 21, 2012 at 08:33:22AM +1100, Dave Chinner wrote:
> On Sun, Feb 19, 2012 at 09:28:19PM -0500, Christoph Hellwig wrote:
> > Switch the quota code over to use the generic XFS statistics infrastructure.
> > While the legacy /proc/fs/xfs/xqm and /proc/fs/xfs/xqmstats interfaces are
> > preserved for now the statistics that still have a meaning with the current
> > code are now also available from /proc/fs/xfs/stats.
> > 
> > Signed-off-by: Christoph Hellwig <hch at lst.de>
> 
> Looks OK. Just one question/observation, though. This will make the
> quota proc files show up even even quota is not compiled in. Are
> there any applications out there that make use of the presence of
> these files to determine if quota is configured into the kernel or
> not?
> 
> I think I just answered my own question - xfstests does exactly this
> proc file test in _require_quota(). So I think their presence needs
> to be conditional on CONFIG_XFS_QUOTA....

Ok, I'll respin it.  That also reminds me I didn't bother to test
without quotas, which I probably should do as well.