linux-kernel - Re: [PATCH 3/3] xfs: demultiplex xfs_icsb_modify

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Date:	Tue, 30 Nov 2010 15:38:17 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	xfs@....sgi.com, linux-kernel@...r.kernel.org,
	a.p.zijlstra@...llo.nl
Subject: Re: [PATCH 3/3] xfs: demultiplex xfs_icsb_modify_counters()

On Mon, Nov 29, 2010 at 04:19:20AM -0500, Christoph Hellwig wrote:
> On Mon, Nov 29, 2010 at 11:36:41AM +1100, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@...hat.com>
> > 
> > With the conversion to percpu counters, xfs_icsb_modify_counters() really does
> > not need to exist. Convert the inode counter modifications to use a common
> > helper function for the one place that calls them, and add another function for
> > the free block modification and convert all the callers to use that.
> 
> > +xfs_icsb_modify_inodes(
> > +	xfs_mount_t	*mp,
> 
> struct xfs_mount, please.
> 
> > +	int		cntr,
> > +	int64_t		delta,
> > +	int		rsvd)
> 
> the rsvd argument isn't used at all.
> 
> > +{
> > +	int		ret = 0;
> > +
> > +	ASSERT(cntr == XFS_ICSB_ICOUNT || cntr == XFS_ICSB_IFREE);
> > +
> > +	ret = xfs_icsb_add(mp, cntr, delta, 0);
> > +	if (ret < 0) {
> > +		ASSERT(0);
> > +		return XFS_ERROR(EINVAL);
> > +	}
> > +	return 0;
> 
> You could get rdif of the ret argument as we don't care about the
> value.  I also don't think we need the assert here - the caller already
> does one for us.
> 
> > +xfs_icsb_modify_free_blocks(
> > +	xfs_mount_t	*mp,
> 
> same here.

Ok, makes sense. I'll clean it up.

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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