[PATCH] xfs: fix variable set but not used warnings

[Christoph Hellwig]

On Mon, Apr 04, 2011 at 01:21:20PM -0500, Alex Elder wrote:
> >  	__int64_t	sbflags;
> >  
> >  	flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
> >  	/*
> >  	 * Switching on quota accounting must be done at mount time.
> >  	 */
> > -	accflags = flags & XFS_ALL_QUOTA_ACCT;
> >  	flags &= ~(XFS_ALL_QUOTA_ACCT);
> 
> Unrelated, but isn't the effect of this line plus the one a few
> lines up the same as this?
> 
> 	flags &= XFS_ALL_QUOTA_ENFD;

Yes, it is.  I have a patch in my queue to clean this and a few others
bits around it up, but unlike the warnings fixes it's really 2.6.40
material.