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

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Date:	Mon, 29 Nov 2010 04:19:20 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
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 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.

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